$121+ Cheap flights from Washington to San Antonio (SAT)
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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SAT
Oct 27 — Nov 31
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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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 September 27, 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 September 27, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/23. 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.
Thu 10/224:27 pm -
1 stop24h 59m
Fri 10/308:11 pm -
1 stop21h 01m
Deal found 9/23![Frontier logo]()
$280
This Frontier deal was found by Cheapflights users on 9/26. 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.
Tue 10/2712:14 pm -
1 stop7h 20m
Thu 10/2910:29 pm -
1 stop13h 16m
Deal found 9/26![Frontier logo]()
$284
This Cheapflightsfares deal was found by Cheapflights users on 9/22. 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.
Thu 10/154:27 pm -
1 stop24h 59m
Tue 10/208:21 pm -
1 stop20h 51m
Deal found 9/22![Frontier logo]()
$285
This Cheapflightsfares deal was found by Cheapflights users on 9/23. 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.
Tue 10/134:27 pm -
1 stop24h 59m
Thu 10/228:21 pm -
1 stop20h 51m
Deal found 9/23![Frontier logo]()
$286
This Trip.com deal was found by Cheapflights users on 9/22. 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.
Thu 10/84:27 pm -
1 stop24h 59m
Wed 10/2810:29 pm -
1 stop13h 16m
Deal found 9/22![Frontier logo]()
$288
This Kissandfly.com deal was found by Cheapflights users on 9/23. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:27 pm -
1 stop24h 58m
Sat 11/147:45 am -
1 stop6h 55m
Deal found 9/23![Frontier logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 10/239:16 pm -
1 stop14h 36m
Tue 10/278:20 pm -
2 stops24h 34m
Deal found 9/23![Frontier logo]()
$291
This CheapOair deal was found by Cheapflights users on 9/24. 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 10/224:27 pm -
1 stop24h 59m
Mon 10/2610:34 pm -
1 stop14h 25m
Deal found 9/24![Frontier logo]()
$294
This Cheapflightsfares deal was found by Cheapflights users on 9/25. 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.
Thu 10/299:13 pm -
1 stop22h 21m
Sat 10/312:44 pm -
1 stop22h 01m
Deal found 9/25![Frontier logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 10/268:00 pm -
2 stops21h 25m
Fri 10/3010:29 pm -
1 stop14h 30m
Deal found 9/22![Frontier logo]()
$300
This Mytrip deal was found by Cheapflights users on 9/25. 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.
Mon 11/28:09 pm -
2 stops21h 16m
Tue 11/108:20 pm -
2 stops24h 34m
Deal found 9/25![Frontier logo]()
$301
This United Airlines deal was found by Cheapflights users on 9/23. 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 10/211:05 pm -
1 stop6h 54m
Wed 10/288:56 am -
1 stop5h 51m
Deal found 9/23![United Airlines logo]()
$377
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 September 27, 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 September 27, 2026.
This United Airlines deal was found by Cheapflights users on 9/24. 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 10/3011:59 pm -
1 stop6h 30m
Sat 10/312:20 pm -
2 stops8h 59m
Deal found 9/24![United Airlines logo]()
$316
This Southwest deal was found by Cheapflights users on 9/22. 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 10/281:25 pm -
1 stop6h 10m
Tue 11/311:00 am -
2 stops9h 40m
Deal found 9/22![Southwest logo]()
$320
This Delta deal was found by Cheapflights users on 9/24. 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 10/205:04 pm -
1 stop5h 26m
Tue 10/274:45 pm -
1 stop9h 14m
Deal found 9/24![Delta logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 9/26. 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 10/3110:03 am -
Nonstop4h 13m
Sat 11/75:29 pm -
Nonstop4h 31m
Deal found 9/26![Alaska Airlines logo]()
$397
This American Airlines deal was found by Cheapflights users on 9/23. 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.
Thu 11/193:37 pm -
1 stop5h 32m
Wed 11/257:10 pm -
1 stop6h 32m
Deal found 9/23![American Airlines logo]()
$565
This Southwest deal was found by Cheapflights users on 9/22. 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 11/125:30 am -
2 stops8h 45m
Sun 11/155:35 am -
1 stop6h 30m
Deal found 9/22![Southwest logo]()
$320
This United Airlines deal was found by Cheapflights users on 9/25. 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 10/211:05 pm -
1 stop6h 54m
Tue 10/275:30 am -
2 stops9h 17m
Deal found 9/25![United Airlines logo]()
$382
This Delta deal was found by Cheapflights users on 9/22. 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 10/82:30 pm -
1 stop7h 43m
Sun 10/114:45 pm -
1 stop9h 11m
Deal found 9/22![Delta logo]()
$387
This Delta deal was found by Cheapflights users on 9/26. 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 11/271:50 pm -
1 stop5h 16m
Thu 12/32:29 pm -
1 stop7h 48m
Deal found 9/26![Delta logo]()
$393
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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 2/27:27 pm -
1 stop18h 35m
Sat 2/65:00 pm -
1 stop8h 53m
Deal found 9/25![Alaska Airlines logo]()
$446
This Southwest deal was found by Cheapflights users on 9/26. 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 10/2311:10 am -
2 stops8h 05m
Sun 10/255:30 am -
1 stop6h 20m
Deal found 9/26![Southwest logo]()
$412
This United Airlines deal was found by Cheapflights users on 9/22. 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 11/111:59 pm -
1 stop6h 30m
Tue 11/35:30 am -
2 stops12h 42m
Deal found 9/22![United Airlines logo]()
$440
This Southwest deal was found by Cheapflights users on 9/23. 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 11/166:40 am -
1 stop5h 25m
Mon 11/238:00 pm -
1 stop6h 10m
Deal found 9/23![Southwest logo]()
$413
This Delta deal was found by Cheapflights users on 9/24. 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 11/235:04 pm -
1 stop5h 24m
Wed 12/24:59 pm -
1 stop8h 20m
Deal found 9/24![Delta logo]()
$432
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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 12/87:02 am -
1 stop7h 07m
Wed 12/94:40 pm -
1 stop9h 12m
Deal found 9/25![Alaska Airlines logo]()
$477
This Southwest deal was found by Cheapflights users on 9/23. 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 10/192:30 pm -
2 stops8h 55m
Wed 10/218:00 am -
1 stop6h 05m
Deal found 9/23![Southwest logo]()
$418
This United Airlines deal was found by Cheapflights users on 9/27. 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 10/81:35 pm -
1 stop6h 24m
Tue 10/135:30 am -
2 stops8h 48m
Deal found 9/27![United Airlines logo]()
$478
This Delta deal was found by Cheapflights users on 9/26. 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 12/241:25 pm -
1 stop5h 40m
Mon 1/44:10 pm -
1 stop7h 27m
Deal found 9/26![Delta logo]()
$478
This Alaska Airlines deal was found by Cheapflights users on 9/27. 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.
Fri 1/296:15 am -
1 stop7h 47m
Tue 2/25:00 pm -
1 stop8h 40m
Deal found 9/27![Alaska Airlines logo]()
$535
This United Airlines deal was found by Cheapflights users on 9/26. 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 10/115:05 am -
1 stop5h 53m
Thu 10/155:30 am -
2 stops8h 48m
Deal found 9/26![United Airlines logo]()
$502
This Southwest deal was found by Cheapflights users on 9/25. 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 10/2411:40 am -
2 stops9h 15m
Mon 10/261:40 pm -
2 stops10h 55m
Deal found 9/25![Southwest logo]()
$458
This Delta deal was found by Cheapflights users on 9/27. 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 10/186:00 am -
1 stop5h 40m
Fri 11/66:35 am -
1 stop7h 44m
Deal found 9/27![Delta logo]()
$478
This Southwest deal was found by Cheapflights users on 9/22. 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 10/35:25 am -
1 stop7h 45m
Sat 10/103:30 pm -
2 stops8h 55m
Deal found 9/22![Southwest logo]()
$472
This Delta deal was found by Cheapflights users on 9/27. 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 10/225:04 pm -
1 stop5h 26m
Sun 10/256:00 am -
1 stop8h 15m
Deal found 9/27![Delta logo]()
$488
This United Airlines deal was found by Cheapflights users on 9/23. 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 11/125:10 am -
1 stop5h 36m
Mon 11/234:48 pm -
1 stop6h 10m
Deal found 9/23![United Airlines logo]()
$538
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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.
Mon 10/2611:34 am -
1 stop26h 42m
Mon 11/25:29 pm -
1 stop8h 27m
Deal found 9/25![Alaska Airlines logo]()
$598
This Southwest deal was found by Cheapflights users on 9/23. 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 10/311:40 am -
2 stops9h 10m
Sun 10/45:30 am -
1 stop6h 20m
Deal found 9/23![Southwest logo]()
$472
This United Airlines deal was found by Cheapflights users on 9/25. 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 10/105:05 am -
2 stops12h 25m
Wed 10/145:30 am -
2 stops8h 48m
Deal found 9/25![United Airlines logo]()
$551
This Delta deal was found by Cheapflights users on 9/23. 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 10/96:00 am -
1 stop5h 40m
Tue 10/136:00 pm -
1 stop7h 31m
Deal found 9/23![Delta logo]()
$506
This Alaska Airlines deal was found by Cheapflights users on 9/27. 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 12/15:00 am -
1 stop9h 02m
Tue 12/85:00 pm -
1 stop8h 51m
Deal found 9/27![Alaska Airlines logo]()
$642
Last-minute flights from Washington to San AntonioDiscover last-minute flight deals from Washington to San Antonio. Data last updated September 27, 2026 and is based on user searches.
Discover last-minute flight deals from Washington to San Antonio. Data last updated September 27, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 9/22. 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.
Thu 10/84:27 pm -
1 stop24h 59m
Wed 10/2810:29 pm -
1 stop13h 16m
Deal found 9/22![Frontier logo]()
$288
This Cheapflightsfares deal was found by Cheapflights users on 9/23. 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.
Tue 10/134:27 pm -
1 stop24h 59m
Thu 10/228:21 pm -
1 stop20h 51m
Deal found 9/23![Frontier logo]()
$286
This Cheapflightsfares deal was found by Cheapflights users on 9/22. 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.
Thu 10/154:27 pm -
1 stop24h 59m
Tue 10/208:21 pm -
1 stop20h 51m
Deal found 9/22![Frontier logo]()
$285
This Cheapflightsfares deal was found by Cheapflights users on 9/25. 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.
Thu 10/154:27 pm -
1 stop24h 59m
Sat 10/172:47 pm -
1 stop20h 11m
Deal found 9/25![Frontier logo]()
$304
This United Airlines deal was found by Cheapflights users on 9/23. 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 10/211:05 pm -
1 stop6h 54m
Wed 10/288:56 am -
1 stop5h 51m
Deal found 9/23![United Airlines logo]()
$377
This Cheapflightsfares deal was found by Cheapflights users on 9/23. 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.
Thu 10/224:27 pm -
1 stop24h 59m
Fri 10/308:11 pm -
1 stop21h 01m
Deal found 9/23![Frontier logo]()
$280
This CheapOair deal was found by Cheapflights users on 9/24. 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 10/224:27 pm -
1 stop24h 59m
Mon 10/2610:34 pm -
1 stop14h 25m
Deal found 9/24![Frontier logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 10/239:16 pm -
1 stop14h 36m
Tue 10/278:20 pm -
2 stops24h 34m
Deal found 9/23![Frontier logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 10/268:00 pm -
2 stops21h 25m
Fri 10/3010:29 pm -
1 stop14h 30m
Deal found 9/22![Frontier logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 10/268:00 pm -
2 stops21h 25m
Wed 10/2810:29 pm -
1 stop13h 16m
Deal found 9/22![Frontier logo]()
$303
This Frontier deal was found by Cheapflights users on 9/22. 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.
Tue 10/2712:14 pm -
1 stop7h 20m
Thu 10/2910:29 pm -
1 stop13h 16m
Deal found 9/22![Frontier logo]()
$284
This Cheapflightsfares deal was found by Cheapflights users on 9/25. 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.
Thu 10/299:13 pm -
1 stop22h 21m
Sat 10/312:44 pm -
1 stop22h 01m
Deal found 9/25![Frontier logo]()
$298
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 September 27, 2026.
Search for one-way flight options from Washington to San Antonio. Find affordable one-way fares based on user searches. Data last updated September 27, 2026.
This Super.com deal was found by Cheapflights users on 9/22. 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.
Tue 10/2712:14 pm -
1 stop7h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$121
This Cheapflightsfares deal was found by Cheapflights users on 9/23. 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.
Tue 10/204:27 pm -
1 stop24h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Frontier logo]()
$126
This Travelocity deal was found by Cheapflights users on 9/25. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:27 pm -
1 stop24h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Frontier logo]()
$128
This iWofly deal was found by Cheapflights users on 9/25. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:27 pm -
1 stop24h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Frontier logo]()
$129
This Cheapflightsfares deal was found by Cheapflights users on 9/25. 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 10/194:27 pm -
1 stop24h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Frontier logo]()
$144
This CheapOair deal was found by Cheapflights users on 9/23. 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 10/64:27 pm -
1 stop24h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Frontier logo]()
$145
This United Airlines deal was found by Cheapflights users on 9/23. 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 10/211:19 pm -
1 stop6h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![United Airlines logo]()
$153
This United Airlines deal was found by Cheapflights users on 9/22. 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 10/1811:59 pm -
1 stop6h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![United Airlines logo]()
$158
This Delta deal was found by Cheapflights users on 9/24. 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 10/205:04 pm -
1 stop5h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Delta logo]()
$189
This Trip.com deal was found by Cheapflights users on 9/26. 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.
Sun 10/257:20 pm -
1 stop24h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$190
This Southwest deal was found by Cheapflights users on 9/22. 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 12/165:35 am -
2 stops8h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Southwest logo]()
$194
This American Airlines deal was found by Cheapflights users on 9/23. 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.
Sat 11/211:10 pm -
1 stop8h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![American Airlines logo]()
$202
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 September 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $280 (Cheapflightsfares) |
One-way from | $121 (Super.com) |
Popular in | June |
Cheapest in | February |
Average price | $387 |
Good round-trip deal | $557 or less |
Good one-way deal | $279 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 7,457,451 searches. Data last updated September 27, 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
Wed 10/21
1:19 pm-9:59 pm
1 stop6h 40m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$153
SeattleSan Antonio
SEA Seattle/Tacoma Intl - SAT San Antonio
SEASAT
Seattle/Tacoma Intl
Sun 10/18
11:59 pm-8:38 am
1 stop6h 39m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$158
SpokaneSan Antonio
GEG Spokane - SAT San Antonio
GEGSAT
Spokane
Wed 10/21
6:22 am-2:51 pm
1 stop6h 29m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$189
Quickest round-trip
SpokaneSan Antonio
GEG Spokane - SAT San Antonio
GEGSAT
Spokane
Thu 10/22
5:04 pm-12:30 am
1 stop5h 26m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$189
SeattleSan Antonio
SEA Seattle/Tacoma Intl - SAT San Antonio
SEASAT
Seattle/Tacoma Intl
Wed 10/14
1:19 pm-9:59 pm
1 stop6h 40m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$189
SpokaneSan Antonio
GEG Spokane - SAT San Antonio
GEGSAT
Spokane
Thu 12/17
5:01 pm-12:31 am
1 stop5h 30m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$189
SpokaneSan Antonio
GEG Spokane - SAT San Antonio
GEGSAT
Spokane
Thu 10/22
1:05 pm-9:59 pm
1 stop6h 54m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$189
SpokaneSan Antonio
GEG Spokane - SAT San Antonio
GEGSAT
Spokane
Tue 10/20
1:38 pm-11:58 pm
1 stop8h 20m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$189
SpokaneSan Antonio
GEG Spokane - SAT San Antonio
GEGSAT
Spokane
Wed 10/21
4:08 pm-11:58 pm
1 stop5h 50m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$189
SpokaneSan Antonio
GEG Spokane - SAT San Antonio
GEGSAT
Spokane
Mon 10/26
5:00 am-12:46 pm
1 stop5h 46m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$189
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
PSC-SAT
BLI-SAT
YKM-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
PSC-SAT
BLI-SAT
What is the cheapest month to book a flight from State of Washington to San Antonio?
Currently, January is the cheapest month in which you can book a flight from State of Washington to San Antonio (average of $307). Flying from State of Washington to San Antonio in June is currently the most expensive (average of $439). 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 September 27, 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 typical for this route at the moment.
State of Washington to San Antonio flights typically cost between $266 and $482 in October.The cheapest round-trip price found within the last 5 days was $280 on Frontier (Oct 22-Oct 30).
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 46 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
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Washington to San Antonio
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Complete your trip
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Search flights from Washington to San Antonio by cabin class
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 September 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 September 27, 2026.
Washington to San Antonio flights
Consider these flights traveling from Washington to San Antonio.
Top 6 airlines flying from Washington to San Antonio
Discover the top 6 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 7,457,451 searches. Data last updated September 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$84 | Average$255 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$139 | Average$349 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$196 | Average$487 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$214 | Average$395 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$217 | Average$423 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$236 | Average$396 | FlexibilityNo cancel fee | On-time63% |