$95+ Cheap flights from Washington to San Antonio (SAT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SAT
Sep 16 — Sep 231
Round-trip
1 adult, Economy
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Find cheap flights from Washington to San Antonio 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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Washington to San Antonio
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Cheapest flights from Washington to San AntonioExplore the most affordable flight options available from Washington to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
Explore the most affordable flight options available from Washington to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
This Frontier deal was found by Cheapflights users on 8/13. 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.
Fri 10/307:41 pm -
1 stop12h 31m
Mon 11/212:43 pm -
1 stop7h 02m
Deal found 8/13![Frontier logo]()
$146
This Trip.com deal was found by Cheapflights users on 8/13. 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 10/34:27 pm -
1 stop24h 58m
Wed 10/73:19 pm -
1 stop19h 39m
Deal found 8/13![Frontier logo]()
$156
This Super.com deal was found by Cheapflights users on 8/13. 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 9/99:45 pm -
1 stop11h 59m
Wed 9/163:19 pm -
1 stop20h 23m
Deal found 8/13![Frontier logo]()
$157
This Trip.com deal was found by Cheapflights users on 8/13. 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 9/57:06 pm -
1 stop22h 25m
Mon 9/78:26 pm -
1 stop14h 53m
Deal found 8/13![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 11/97:41 pm -
1 stop12h 31m
Thu 11/129:51 pm -
1 stop14h 09m
Deal found 8/13![Frontier logo]()
$168
This Expedia deal was found by Cheapflights users on 8/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:27 pm -
1 stop24h 58m
Sun 9/1312:39 pm -
1 stop23h 03m
Deal found 8/12![Frontier logo]()
$171
This Frontier deal was found by Cheapflights users on 8/13. 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 9/2812:39 pm -
1 stop23h 41m
Wed 10/73:19 pm -
1 stop22h 07m
Deal found 8/13![Frontier logo]()
$176
This Frontier deal was found by Cheapflights users on 8/14. 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.
Thu 11/59:16 pm -
1 stop12h 32m
Mon 11/912:43 pm -
1 stop7h 02m
Deal found 8/14![Frontier logo]()
$178
This CheapOair deal was found by Cheapflights users on 8/13. 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.
Thu 10/19:45 pm -
1 stop11h 59m
Sun 10/412:39 pm -
1 stop23h 03m
Deal found 8/13![Frontier logo]()
$181
This Frontier deal was found by Cheapflights users on 8/14. 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.
Thu 10/159:16 pm -
1 stop12h 59m
Sun 10/1810:34 pm -
1 stop13h 14m
Deal found 8/14![Frontier logo]()
$187
This Super.com deal was found by Cheapflights users on 8/14. 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 9/164:27 pm -
1 stop24h 58m
Wed 9/233:19 pm -
1 stop20h 23m
Deal found 8/14![Frontier logo]()
$190
This Delta deal was found by Cheapflights users on 8/12. 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 10/2810:35 pm -
1 stop9h 13m
Sat 10/315:15 am -
1 stop11h 30m
Deal found 8/12![Delta logo]()
$197
Best flights from Washington to San AntonioDiscover carefully curated flight deals from Washington to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
Discover carefully curated flight deals from Washington to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
This Southwest deal was found by Cheapflights users on 8/13. 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 10/2211:10 am -
1 stop12h 10m
Tue 10/276:30 am -
1 stop6h 20m
Deal found 8/13![Southwest logo]()
$202
This Delta deal was found by Cheapflights users on 8/13. 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 9/25:00 pm -
1 stop5h 26m
Wed 9/94:50 pm -
1 stop8h 58m
Deal found 8/13![Delta logo]()
$263
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/197:03 am -
1 stop6h 40m
Thu 9/246:54 pm -
1 stop7h 40m
Deal found 8/13![United Airlines logo]()
$275
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/28:00 am -
1 stop8h 38m
Sat 2/67:37 pm -
1 stop6h 37m
Deal found 8/15![Alaska Airlines logo]()
$426
This American Airlines deal was found by Cheapflights users on 8/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/25:00 am -
1 stop5h 46m
Sat 2/66:00 am -
1 stop9h 33m
Deal found 8/14![American Airlines logo]()
$426
This Southwest deal was found by Cheapflights users on 8/12. 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 10/307:40 am -
2 stops9h 40m
Mon 11/25:35 am -
2 stops9h 25m
Deal found 8/12![Southwest logo]()
$247
This Delta deal was found by Cheapflights users on 8/16. 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.
Sat 9/1911:05 pm -
1 stop9h 34m
Thu 9/244:50 pm -
1 stop7h 15m
Deal found 8/16![Delta logo]()
$277
This Southwest deal was found by Cheapflights users on 8/16. 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.
Thu 10/222:05 pm -
1 stop8h 30m
Thu 10/294:40 pm -
2 stops9h 55m
Deal found 8/16![Southwest logo]()
$282
This Delta deal was found by Cheapflights users on 8/16. 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.
Sun 10/49:43 am -
1 stop11h 01m
Wed 10/77:50 am -
1 stop9h 00m
Deal found 8/16![Delta logo]()
$308
This Southwest deal was found by Cheapflights users on 8/14. 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 9/1611:00 pm -
2 stops9h 35m
Wed 9/2312:55 pm -
2 stops9h 25m
Deal found 8/14![Southwest logo]()
$287
This United Airlines deal was found by Cheapflights users on 8/12. 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 12/35:15 am -
1 stop5h 50m
Mon 12/141:35 pm -
2 stops8h 58m
Deal found 8/12![United Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Sun 11/15:00 am -
1 stop5h 46m
Wed 11/45:30 am -
2 stops9h 52m
Deal found 8/12![United Airlines logo]()
$366
This Southwest deal was found by Cheapflights users on 8/14. 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 9/265:00 am -
2 stops9h 25m
Thu 10/19:20 pm -
1 stop6h 15m
Deal found 8/14![Southwest logo]()
$303
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:04 am -
1 stop6h 15m
Wed 9/165:29 pm -
1 stop8h 24m
Deal found 8/12![Alaska Airlines logo]()
$435
This American Airlines deal was found by Cheapflights users on 8/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:15 am -
1 stop6h 25m
Fri 9/43:43 pm -
1 stop7h 57m
Deal found 8/16![American Airlines logo]()
$453
This Delta deal was found by Cheapflights users on 8/12. 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 10/86:22 am -
1 stop6h 29m
Sun 10/114:45 pm -
1 stop9h 14m
Deal found 8/12![Delta logo]()
$375
This United Airlines deal was found by Cheapflights users on 8/16. 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 9/2211:59 pm -
1 stop8h 46m
Wed 9/234:12 pm -
1 stop7h 24m
Deal found 8/16![United Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 8/15. 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 9/125:00 am -
2 stops9h 25m
Sat 9/192:30 pm -
2 stops9h 00m
Deal found 8/15![Southwest logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:03 am -
2 stops13h 47m
Tue 9/812:40 pm -
2 stops12h 31m
Deal found 8/13![Alaska Airlines logo]()
$441
This Delta deal was found by Cheapflights users on 8/15. 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 12/19:55 am -
1 stop5h 19m
Tue 12/87:41 am -
1 stop6h 48m
Deal found 8/15![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Wed 9/235:30 am -
2 stops9h 25m
Wed 9/305:30 am -
1 stop5h 58m
Deal found 8/16![United Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 8/12. 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 9/311:00 pm -
2 stops9h 35m
Tue 9/812:55 pm -
2 stops9h 25m
Deal found 8/12![Southwest logo]()
$338
This Delta deal was found by Cheapflights users on 8/15. 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 2/135:45 am -
1 stop5h 49m
Wed 2/172:00 pm -
1 stop7h 27m
Deal found 8/15![Delta logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/235:45 am -
1 stop8h 17m
Wed 1/275:00 pm -
1 stop8h 59m
Deal found 8/16![Alaska Airlines logo]()
$466
This United Airlines deal was found by Cheapflights users on 8/15. 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 2/131:45 pm -
1 stop5h 22m
Wed 2/171:35 pm -
2 stops12h 03m
Deal found 8/15![United Airlines logo]()
$400
This Delta deal was found by Cheapflights users on 8/13. 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.
Mon 9/288:44 pm -
2 stops11h 03m
Wed 10/77:50 am -
2 stops11h 14m
Deal found 8/13![Delta logo]()
$384
This Southwest deal was found by Cheapflights users on 8/14. 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 9/1011:00 pm -
2 stops9h 35m
Sun 9/136:00 am -
2 stops10h 00m
Deal found 8/14![Southwest logo]()
$358
This Expedia deal was found by Cheapflights users on 8/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:21 pm -
1 stop22h 58m
Sat 9/195:29 pm -
1 stop8h 26m
Deal found 8/12![Alaska Airlines logo]()
$486
This Delta deal was found by Cheapflights users on 8/12. 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.
Fri 10/168:44 pm -
2 stops10h 58m
Mon 10/196:10 pm -
1 stop7h 37m
Deal found 8/12![Delta logo]()
$388
This United Airlines deal was found by Cheapflights users on 8/12. 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 8/271:37 pm -
1 stop5h 15m
Mon 8/3111:34 am -
2 stops11h 12m
Deal found 8/12![United Airlines logo]()
$444
Last-minute flights from Washington to San AntonioDiscover last-minute flight deals from Washington to San Antonio. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from Washington to San Antonio. Data last updated August 17, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 8/13. 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.
Thu 9/39:29 pm -
1 stop22h 00m
Mon 9/78:26 pm -
1 stop14h 53m
Deal found 8/13![Frontier logo]()
$156
This Super.com deal was found by Cheapflights users on 8/12. 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.
Thu 9/39:29 pm -
1 stop22h 00m
Tue 9/810:24 pm -
1 stop13h 18m
Deal found 8/12![Frontier logo]()
$216
This Trip.com deal was found by Cheapflights users on 8/13. 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 9/57:06 pm -
1 stop22h 25m
Mon 9/78:26 pm -
1 stop14h 53m
Deal found 8/13![Frontier logo]()
$165
This CheapOair deal was found by Cheapflights users on 8/14. 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.
Tue 9/88:48 pm -
1 stop15h 32m
Tue 9/153:19 pm -
1 stop20h 23m
Deal found 8/14![Frontier logo]()
$188
This Expedia deal was found by Cheapflights users on 8/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:45 pm -
1 stop11h 59m
Mon 9/218:20 pm -
1 stop20h 48m
Deal found 8/12![Frontier logo]()
$146
This Super.com deal was found by Cheapflights users on 8/13. 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 9/99:45 pm -
1 stop11h 59m
Wed 9/163:19 pm -
1 stop20h 23m
Deal found 8/13![Frontier logo]()
$157
This Southwest deal was found by Cheapflights users on 8/12. 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 9/98:30 am -
1 stop12h 00m
Wed 9/1612:55 pm -
2 stops9h 25m
Deal found 8/12![Southwest logo]()
$208
This Expedia deal was found by Cheapflights users on 8/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:27 pm -
1 stop24h 58m
Sun 9/1312:39 pm -
1 stop23h 03m
Deal found 8/12![Frontier logo]()
$171
This Super.com deal was found by Cheapflights users on 8/14. 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 9/164:27 pm -
1 stop24h 58m
Wed 9/233:19 pm -
1 stop20h 23m
Deal found 8/14![Frontier logo]()
$190
This Delta deal was found by Cheapflights users on 8/12. 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 9/222:30 pm -
1 stop7h 43m
Thu 9/247:20 am -
1 stop7h 07m
Deal found 8/12![Delta logo]()
$197
This Expedia deal was found by Cheapflights users on 8/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/244:27 pm -
1 stop24h 58m
Mon 9/288:20 pm -
1 stop20h 48m
Deal found 8/14![Frontier logo]()
$178
This Frontier deal was found by Cheapflights users on 8/13. 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 9/2812:39 pm -
1 stop23h 41m
Wed 10/73:19 pm -
1 stop22h 07m
Deal found 8/13![Frontier logo]()
$176
One-way flights from Washington to San AntonioSearch for one-way flight options from Washington to San Antonio. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
Search for one-way flight options from Washington to San Antonio. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
This CheapOair deal was found by Cheapflights users on 8/13. 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.
Mon 10/512:38 pm -
1 stop28h 47m
Deal found 8/13![Frontier logo]()
$95
This Booking.com deal was found by Cheapflights users on 8/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:56 pm -
1 stop23h 35m
Deal found 8/13![Frontier logo]()
$100
This Frontier deal was found by Cheapflights users on 8/13. 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.
Fri 10/2312:25 pm -
1 stop7h 24m
Deal found 8/13![Frontier logo]()
$116
This Delta deal was found by Cheapflights users on 8/12. 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 10/241:25 pm -
1 stop5h 57m
Deal found 8/12![Delta logo]()
$131
This Delta deal was found by Cheapflights users on 8/13. 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 12/177:00 am -
1 stop8h 43m
Deal found 8/13![Delta logo]()
$132
This Southwest deal was found by Cheapflights users on 8/12. 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 10/246:30 am -
2 stops11h 40m
Deal found 8/12![Southwest logo]()
$137
This United Airlines deal was found by Cheapflights users on 8/12. 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 9/158:40 am -
1 stop6h 15m
Deal found 8/12![United Airlines logo]()
$138
This Southwest deal was found by Cheapflights users on 8/15. 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 9/411:00 pm -
1 stop9h 00m
Deal found 8/15![Southwest logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 11/37:41 pm -
2 stops47h 15m
Deal found 8/14![Frontier logo]()
$143
This Expedia deal was found by Cheapflights users on 8/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:38 pm -
1 stop28h 47m
Deal found 8/14![Frontier logo]()
$143
This Southwest deal was found by Cheapflights users on 8/12. 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 8/2611:00 pm -
2 stops9h 35m
Deal found 8/12![Southwest logo]()
$144
This United Airlines deal was found by Cheapflights users on 8/13. 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 11/235:00 am -
1 stop5h 46m
Deal found 8/13![United Airlines logo]()
$144
Find flight deals from Washington to San Antonio
Keep the following information in mind while searching for Washington to San Antonio flight deals. Data was last updated August 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $146 (Frontier) |
One-way from | $94 (Expedia) |
Popular in | June |
Cheapest in | February |
Average price | $338 |
Good round-trip deal | $387 or less |
Good one-way deal | $228 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington to San Antonio 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 2,558,603 searches. Data last updated August 17, 2026.
Use the filters below to find and compare flights from Washington to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleSan Antonio
SEA Seattle/Tacoma Intl - SAT San Antonio
SEASAT
Seattle/Tacoma Intl
Thu 10/22
11:10 am-1:20 am
1 stop12h 10m
San Antonio
Tue 10/27
6:30 am-10:50 am
1 stop6h 20m
$202
SeattleSan Antonio
SEA Seattle/Tacoma Intl - SAT San Antonio
SEASAT
Seattle/Tacoma Intl
Fri 10/30
7:40 am-7:20 pm
2 stops9h 40m
San Antonio
Mon 11/2
5:35 am-1:00 pm
2 stops9h 25m
$247
SpokaneSan Antonio
GEG Spokane - SAT San Antonio
GEGSAT
Spokane
Wed 9/2
5:00 pm-12:26 am
1 stop5h 26m
San Antonio
Wed 9/9
4:50 pm-11:48 pm
1 stop8h 58m
$263
PortlandSan Antonio
PDX Portland - SAT San Antonio
PDXSAT
Portland
Sat 9/19
7:03 am-3:43 pm
1 stop6h 40m
San Antonio
Thu 9/24
6:54 pm-12:34 am
1 stop7h 40m
$275
SeattleSan Antonio
SEA Seattle/Tacoma Intl - SAT San Antonio
SEASAT
Seattle/Tacoma Intl
Sat 9/19
11:05 pm-10:39 am
1 stop9h 34m
San Antonio
Thu 9/24
4:50 pm-10:05 pm
1 stop7h 15m
$277
SeattleSan Antonio
SEA Seattle/Tacoma Intl - SAT San Antonio
SEASAT
Seattle/Tacoma Intl
Thu 10/22
2:05 pm-12:35 am
1 stop8h 30m
San Antonio
Thu 10/29
4:40 pm-12:35 am
2 stops9h 55m
$282
SeattleSan Antonio
SEA Seattle/Tacoma Intl - SAT San Antonio
SEASAT
Seattle/Tacoma Intl
Wed 9/16
11:00 pm-10:35 am
2 stops9h 35m
San Antonio
Wed 9/23
12:55 pm-8:20 pm
2 stops9h 25m
$287
SeattleSan Antonio
SEA Seattle/Tacoma Intl - SAT San Antonio
SEASAT
Seattle/Tacoma Intl
Sat 9/26
5:00 am-4:25 pm
2 stops9h 25m
San Antonio
Thu 10/1
9:20 pm-1:35 am
1 stop6h 15m
$303
SeattleSan Antonio
SEA Seattle/Tacoma Intl - SAT San Antonio
SEASAT
Seattle/Tacoma Intl
Sun 10/4
9:43 am-10:44 pm
1 stop11h 01m
San Antonio
Wed 10/7
7:50 am-2:50 pm
1 stop9h 00m
$308
SeattleSan Antonio
SEA Seattle/Tacoma Intl - SAT San Antonio
SEASAT
Seattle/Tacoma Intl
Sat 9/12
5:00 am-4:25 pm
2 stops9h 25m
San Antonio
Sat 9/19
2:30 pm-9:30 pm
2 stops9h 00m
$317
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Washington to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Washington with our price prediction graph.
SEA-SAT
GEG-SAT
PDX-SAT
PSC-SAT
PUW-SAT
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 Washington to San Antonio
USWA-SAT
SEA-SAT
GEG-SAT
PDX-SAT
PSC-SAT
What is the cheapest month to book a flight from State of Washington to San Antonio?
Currently, September is the cheapest month in which you can book a flight from State of Washington to San Antonio (average of $300). Flying from State of Washington to San Antonio in June is currently the most expensive (average of $438). 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 WA to SAT?
Find hourly flight availability from Washington to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 17, 2026.
When flying from State of Washington to San Antonio, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost to fly round-trip from State of Washington to San Antonio?
Airfare is below average for this route at the moment.
State of Washington to San Antonio flights typically cost between $275 and $422 in October.The cheapest round-trip price found within the last 5 days was $146 on Frontier (Oct 30-Nov 2).
How far ahead should I book a flight from State of Washington to San Antonio?
The price you pay for your flight from State of Washington to San Antonio may vary depending on when you book. For the best chance of a lower fare, look to book 83 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Related info for your journey
Find useful and relevant information for your journey from Washington to San Antonio. 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 San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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Alternative routes for Washington to San Antonio
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Find flights from Washington to San Antonio, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Washington and San Antonio flights
Browse other Washington and San Antonio flight options. Last updated on August 17, 2026.
Popular flight searches
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Other flights to San Antonio
Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 17, 2026.
Washington to San Antonio flights
Consider these flights traveling from Washington to San Antonio.
Top 7 airlines flying from Washington to San Antonio
Discover the top 7 airlines that operate flights from Washington to San Antonio. 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 2,558,603 searches. Data last updated August 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$84 | Average$256 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$118 | Average$307 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$139 | Average$342 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$194 | Average$505 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$201 | Average$388 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$216 | Average$396 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$217 | Average$410 | FlexibilityNo cancel fee | On-time75% |