$120+ Cheap flights from San Antonio (SAT) to Washington, D.C. (WAS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — WAS
Nov 20 — Nov 271
Round-trip
1 adult, Economy
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Find cheap flights from San Antonio to Washington, D.C. with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from San Antonio to Washington, D.C. are usually found in February or August, booked 60 days in advance, depart on a Thursday or Friday and return on a Thursday
Cheap flight deals from San Antonio to Washington, D.C.
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Cheapest flights from San Antonio to Washington, D.C.Explore the most affordable flight options available from San Antonio to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 21, 2026.
Explore the most affordable flight options available from San Antonio to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 21, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:03 am -
1 stop21h 17m
Sun 10/259:15 am -
1 stop24h 53m
Deal found 10/20![Frontier logo]()
$244
This Frontier deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2610:03 am -
1 stop9h 54m
Thu 10/299:52 pm -
1 stop12h 26m
Deal found 10/20![Frontier logo]()
$246
This CheapOair deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:06 pm -
1 stop11h 37m
Tue 12/16:51 pm -
1 stop18h 51m
Deal found 10/20![Frontier logo]()
$250
This CheapOair deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1112:32 pm -
1 stop10h 57m
Tue 12/157:12 pm -
1 stop17h 28m
Deal found 10/21![Frontier logo]()
$253
This Frontier deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:06 pm -
1 stop11h 37m
Wed 12/26:27 am -
1 stop7h 15m
Deal found 10/17![Frontier logo]()
$260
This Mytrip deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/912:32 pm -
1 stop10h 57m
Mon 12/146:08 pm -
2 stops28h 49m
Deal found 10/20![Frontier logo]()
$266
This Cheapflightsfares deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:13 pm -
1 stop19h 55m
Thu 11/199:12 am -
1 stop26h 59m
Deal found 10/18![Frontier logo]()
$278
This Frontier deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2312:06 pm -
1 stop6h 08m
Wed 12/26:27 am -
1 stop7h 15m
Deal found 10/19![Frontier logo]()
$280
This Mytrip deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/108:47 pm -
2 stops25h 17m
Mon 12/146:08 pm -
2 stops24h 53m
Deal found 10/20![Frontier logo]()
$281
This Cheapflightsfares deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:03 am -
1 stop7h 17m
Sun 10/259:15 am -
1 stop24h 53m
Deal found 10/19![Frontier logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:20 pm -
1 stop14h 49m
Thu 12/31:33 pm -
1 stop7h 23m
Deal found 10/19![Frontier logo]()
$284
This Super.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:13 pm -
1 stop16h 08m
Mon 11/231:09 pm -
1 stop9h 07m
Deal found 10/17![Frontier logo]()
$285
Best flights from San Antonio to Washington, D.C.Discover carefully curated flight deals from San Antonio to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 21, 2026.
Discover carefully curated flight deals from San Antonio to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 21, 2026.
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1011:47 am -
1 stop5h 36m
Mon 12/145:52 pm -
1 stop6h 12m
Deal found 10/20![United Airlines logo]()
$306
This Southwest deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/195:25 pm -
Nonstop3h 10m
Tue 1/56:20 am -
1 stop6h 20m
Deal found 10/20![Southwest logo]()
$309
This Delta deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/224:50 pm -
1 stop5h 39m
Wed 12/305:42 pm -
1 stop7h 59m
Deal found 10/16![Delta logo]()
$394
This Southwest deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/175:15 pm -
Nonstop3h 15m
Mon 12/217:15 pm -
2 stops7h 10m
Deal found 10/20![Southwest logo]()
$321
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1011:47 am -
1 stop5h 36m
Sun 12/138:20 am -
Nonstop3h 54m
Deal found 10/20![United Airlines logo]()
$341
This Southwest deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/245:10 pm -
1 stop5h 40m
Mon 11/306:45 pm -
1 stop6h 55m
Deal found 10/19![Southwest logo]()
$329
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:00 am -
Nonstop3h 13m
Wed 11/253:37 pm -
1 stop9h 01m
Deal found 10/20![United Airlines logo]()
$345
This Delta deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:40 am -
1 stop7h 19m
Sat 11/2810:11 am -
1 stop8h 14m
Deal found 10/16![Delta logo]()
$399
This Southwest deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:55 pm -
1 stop5h 30m
Tue 11/176:25 pm -
Nonstop4h 00m
Deal found 10/18![Southwest logo]()
$350
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:34 am -
1 stop6h 38m
Fri 11/276:00 am -
1 stop5h 46m
Deal found 10/20![United Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:56 pm -
1 stop5h 48m
Tue 11/106:10 am -
1 stop5h 40m
Deal found 10/17![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/235:07 am -
1 stop6h 52m
Wed 12/303:05 pm -
1 stop8h 56m
Deal found 10/16![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/235:58 pm -
1 stop4h 58m
Sun 1/36:00 am -
1 stop5h 51m
Deal found 10/20![United Airlines logo]()
$385
This Southwest deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:45 pm -
Nonstop3h 10m
Sun 11/228:15 am -
Nonstop4h 00m
Deal found 10/16![Southwest logo]()
$387
This Delta deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/174:32 pm -
1 stop6h 03m
Sun 11/227:08 am -
1 stop6h 31m
Deal found 10/16![Delta logo]()
$402
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/79:00 am -
1 stop7h 10m
Wed 1/135:53 pm -
1 stop6h 06m
Deal found 10/18![United Airlines logo]()
$394
This Southwest deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/157:30 am -
1 stop7h 45m
Mon 1/1812:20 pm -
1 stop5h 20m
Deal found 10/17![Southwest logo]()
$394
This Delta deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:30 pm -
1 stop5h 07m
Sat 1/210:43 am -
1 stop5h 56m
Deal found 10/18![Delta logo]()
$429
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/89:00 am -
1 stop7h 10m
Wed 1/138:25 am -
1 stop5h 48m
Deal found 10/18![United Airlines logo]()
$394
This Southwest deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:55 am -
1 stop4h 40m
Mon 11/306:45 pm -
1 stop6h 55m
Deal found 10/17![Southwest logo]()
$394
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/262:00 pm -
1 stop6h 26m
Sun 11/297:37 pm -
1 stop5h 56m
Deal found 10/19![Delta logo]()
$429
This Southwest deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:15 am -
Nonstop3h 10m
Sat 11/1410:50 am -
Nonstop3h 50m
Deal found 10/16![Southwest logo]()
$397
This Delta deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/225:30 am -
1 stop5h 07m
Mon 11/305:00 pm -
1 stop6h 06m
Deal found 10/17![Delta logo]()
$429
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/235:39 pm -
1 stop6h 09m
Sun 1/36:02 am -
1 stop5h 49m
Deal found 10/20![United Airlines logo]()
$429
This Southwest deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/56:35 am -
1 stop4h 30m
Tue 1/52:10 pm -
2 stops7h 25m
Deal found 10/18![Southwest logo]()
$404
This Delta deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:40 am -
1 stop6h 23m
Sun 11/299:45 am -
1 stop7h 20m
Deal found 10/16![Delta logo]()
$429
This Southwest deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/225:10 pm -
1 stop5h 40m
Tue 12/293:05 pm -
2 stops9h 50m
Deal found 10/17![Southwest logo]()
$428
This United Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:00 am -
Nonstop3h 13m
Sun 11/228:20 am -
Nonstop3h 53m
Deal found 10/16![United Airlines logo]()
$484
This Southwest deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/195:50 pm -
1 stop5h 20m
Sat 1/28:10 am -
Nonstop4h 00m
Deal found 10/20![Southwest logo]()
$430
This United Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/218:56 am -
1 stop7h 57m
Sun 11/225:30 pm -
Nonstop3h 54m
Deal found 10/16![United Airlines logo]()
$490
Last-minute flights from San Antonio to Washington, D.C.Discover last-minute flight deals from San Antonio to Washington, D.C.. Data last updated October 21, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Washington, D.C.. Data last updated October 21, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:03 am -
1 stop7h 17m
Sun 10/259:15 am -
1 stop24h 53m
Deal found 10/19![Frontier logo]()
$284
This Cheapflightsfares deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:03 am -
1 stop21h 17m
Sun 10/259:15 am -
1 stop24h 53m
Deal found 10/20![Frontier logo]()
$244
This Frontier deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2610:03 am -
1 stop9h 54m
Thu 10/299:52 pm -
1 stop12h 26m
Deal found 10/20![Frontier logo]()
$246
This Trip.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:11 pm -
1 stop24h 39m
Sun 11/157:00 am -
1 stop13h 25m
Deal found 10/20![Frontier logo]()
$286
This Trip.com deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/148:20 pm -
1 stop14h 49m
Mon 11/167:00 am -
1 stop13h 25m
Deal found 10/18![Frontier logo]()
$287
This Cheapflightsfares deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:13 pm -
1 stop19h 55m
Thu 11/199:12 am -
1 stop26h 59m
Deal found 10/18![Frontier logo]()
$278
This Super.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:13 pm -
1 stop16h 08m
Mon 11/231:09 pm -
1 stop9h 07m
Deal found 10/17![Frontier logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:20 pm -
1 stop14h 49m
Fri 12/41:33 pm -
1 stop7h 23m
Deal found 10/19![Frontier logo]()
$284
This Cheapflightsfares deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2010:11 pm -
1 stop29h 59m
Tue 11/241:09 pm -
1 stop9h 07m
Deal found 10/17![Frontier logo]()
$288
This Frontier deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2312:06 pm -
1 stop6h 08m
Wed 12/26:27 am -
1 stop7h 15m
Deal found 10/19![Frontier logo]()
$280
This CheapOair deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:06 pm -
1 stop11h 37m
Tue 12/16:51 pm -
1 stop18h 51m
Deal found 10/20![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:06 pm -
1 stop11h 37m
Wed 12/26:27 am -
1 stop7h 15m
Deal found 10/17![Frontier logo]()
$260
One-way flights from San Antonio to Washington, D.C.Search for one-way flight options from San Antonio to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated October 21, 2026.
Search for one-way flight options from San Antonio to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated October 21, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:13 pm -
1 stop16h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/168:20 pm -
2 stops37h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/158:20 pm -
2 stops38h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/158:20 pm -
2 stops37h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Frontier logo]()
$123
This Cheapflightsfares deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:11 pm -
1 stop29h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Frontier logo]()
$124
This Super.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:20 pm -
1 stop24h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:23 pm -
3 stops21h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:20 pm -
2 stops37h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Frontier logo]()
$125
This Southwest deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1712:20 pm -
1 stop5h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Southwest logo]()
$126
This Cheapflightsfares deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2610:03 am -
1 stop9h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Frontier logo]()
$127
This Super.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:13 pm -
1 stop16h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Frontier logo]()
$130
This Super.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:20 pm -
1 stop19h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Frontier logo]()
$130
Find flight deals from San Antonio to Washington, D.C.
Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $250 (CheapOair) |
One-way from | $120 (Cheapflightsfares) |
Popular in | September |
Cheapest in | February |
Average price | $357 |
Good round-trip deal | $374 or less |
Good one-way deal | $149 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Antonio to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 21, 2026.
Use the filters below to find and compare flights from San Antonio to Washington, D.C. that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San AntonioWashington, D.C.
SAT San Antonio - DCA Washington, D.C. Reagan-National
SATDCA
San Antonio
Tue 11/17
12:20 pm-6:50 pm
1 stop5h 30m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$126
San AntonioWashington, D.C.
SAT San Antonio - DCA Washington, D.C. Reagan-National
SATDCA
San Antonio
Mon 11/16
4:35 pm-11:00 pm
1 stop5h 25m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$130
San AntonioWashington, D.C.
SAT San Antonio - DCA Washington, D.C. Reagan-National
SATDCA
San Antonio
Wed 11/11
5:50 am-3:05 pm
2 stops8h 15m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$135
San AntonioWashington, D.C.
SAT San Antonio - IAD Washington, D.C. Dulles Intl
SATIAD
San Antonio
Sat 11/21
10:11 pm-5:10 am
1 stop29h 59m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$138
San AntonioBaltimore
SAT San Antonio - BWI Baltimore/Washington
SATBWI
San Antonio
Tue 11/17
2:45 pm-6:55 pm
Nonstop3h 10m
Baltimore/Washington
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$154
San AntonioBaltimore
SAT San Antonio - BWI Baltimore/Washington
SATBWI
San Antonio
Sun 11/15
5:15 am-9:25 am
Nonstop3h 10m
Baltimore/Washington
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$154
Quickest round-trip
San AntonioBaltimore
SAT San Antonio - BWI Baltimore/Washington
SATBWI
San Antonio
Mon 11/16
5:30 am-9:35 am
Nonstop3h 05m
Baltimore/Washington
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$154
San AntonioBaltimore
SAT San Antonio - BWI Baltimore/Washington
SATBWI
San Antonio
Mon 11/30
6:30 pm-12:58 am
1 stop5h 28m
Baltimore/Washington
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$162
San AntonioBaltimore
SAT San Antonio - BWI Baltimore/Washington
SATBWI
San Antonio
Thu 11/26
6:40 am-2:03 pm
1 stop6h 23m
Baltimore/Washington
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$162
San AntonioWashington, D.C.
SAT San Antonio - IAD Washington, D.C. Dulles Intl
SATIAD
San Antonio
Wed 12/16
7:00 am-11:13 am
Nonstop3h 13m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$195
Showing 1-10 of 60 resultsSorted by cheapest first
Compare providers for flights from San Antonio to Washington, D.C.
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to Washington, D.C. in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*1 star |
- Most accurate provider: When it comes to deals on San Antonio-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Washington, D.C. flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Antonio-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Antonio to Washington, D.C.
Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from San Antonio with our price prediction graph.
SAT-WAS
SAT-IAD
SAT-BWI
SAT-DCA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Antonio to Washington, D.C.
SAT-WAS
SAT-IAD
SAT-BWI
SAT-DCA
What is the cheapest month to book a flight from San Antonio to Washington, D.C.?
Currently, February is the cheapest month in which you can book a flight from San Antonio to Washington, D.C. (average of $335). Flying from San Antonio to Washington, D.C. in March is currently the most expensive (average of $461). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SAT to WAS?
Find hourly flight availability from San Antonio to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 21, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 31% on flights from San Antonio to Washington, D.C. by exploring options for tickets at noon.
How much does it cost to fly round-trip from San Antonio to Washington, D.C.?
Airfare is below average for this route at the moment.
San Antonio to Washington, D.C. flights typically cost between $302 and $466 in November.The cheapest round-trip price found within the last 5 days was $250 on Frontier (Nov 25-Dec 1).
What’s the top layover airport for flights from San Antonio to Washington, D.C.?
Share of 1-stop round-trip flights from San Antonio to Washington, D.C. chosen by Cheapflights users in the past 12 months, using the same layover each way.
Chicago (MDW) – chosen by Cheapflights users on 50% of 1-stop itineraries from San Antonio to Washington, D.C. on Cheapflights.
What’s the cheapest layover airport for flights from San Antonio to Washington, D.C.?
Average round-trip fare for 1-stop flights from San Antonio to Washington, D.C., chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $184.
What’s the fastest layover option from San Antonio to Washington, D.C.?
Shortest average travel time for 1-stop one-way flights from San Antonio to Washington, D.C., based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Houston (IAH) have the shortest average one-way travel time for 1-stop routes: 4h 57m.
Which airport typically offers the quickest layover for flights from San Antonio to Washington, D.C.?
Average layover duration for 1-stop one-way flights from San Antonio to Washington, D.C., chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Houston (IAH) offer the fastest connection on this route, with an average layover time of 0h 53m.
How far ahead should I book a flight from San Antonio to Washington, D.C.?
Booking 83 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Antonio to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
The best insider tips for San Antonio to Washington, D.C. flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Antonio to Washington, D.C. trip
Our travel experts
Reviews of airlines servicing Washington, D.C.
Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated October 21, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from San Antonio to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
7.9
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
7.9
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
7.9
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
7.9
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
7.9
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
7.9
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Related info for your journey
Find useful and relevant information for your journey from San Antonio to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Washington, D.C.?
Book flights to Washington, D.C. if you plan to visit one of these locationsAlexandria
Woodbridge
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Explore flights to Washington, D.C. departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 21, 2026.
Top 5 airlines flying from San Antonio to Washington, D.C.
Discover the top 5 airlines that operate flights from San Antonio to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$72 | Average$229 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$178 | Average$426 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$185 | Average$444 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$249 | Average$416 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$282 | Average$455 | FlexibilityNo cancel fee | On-time63% |