$119+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SAT
Aug 2 — Aug 91
Round-trip
1 adult, Economy
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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 July 3, 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 July 3, 2026.
This Expedia deal was found by Cheapflights users on 7/1. 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 9/107:00 am
SEA
- SAT
1 stop9h 54m
Frontier
Mon 9/1410:34 pm
SAT
- SEA
1 stop13h 26m
Frontier
Deal found 7/1![Frontier logo]()
$240
This United Airlines deal was found by Cheapflights users on 6/30. 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 8/271:16 pm
SEA
- SAT
1 stop6h 43m
United Airlines
Mon 8/314:39 pm
SAT
- SEA
1 stop6h 36m
United Airlines
Deal found 6/30![United Airlines logo]()
$242
This Delta deal was found by Cheapflights users on 6/30. 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 10/207:15 am
SEA
- SAT
1 stop8h 02m
Delta
Wed 10/217:30 am
SAT
- SEA
1 stop7h 00m
Delta
Deal found 6/30![Delta logo]()
$247
This United Airlines deal was found by Cheapflights users on 6/28. 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 10/2611:59 pm
SEA
- SAT
1 stop6h 29m
United Airlines
Tue 10/274:19 pm
SAT
- SEA
2 stops8h 43m
United Airlines
Deal found 6/28![United Airlines logo]()
$248
This CheapOair deal was found by Cheapflights users on 6/28. 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.
Sat 8/87:06 pm
SEA
- SAT
1 stop21h 48m
Frontier
Sun 8/238:26 pm
SAT
- SEA
1 stop17h 54m
Frontier
Deal found 6/28![Frontier logo]()
$250
This CheapOair deal was found by Cheapflights users on 7/3. 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 8/105:49 pm
PDX
- SAT
1 stop24h 48m
Frontier
Thu 8/2010:24 pm
SAT
- PDX
1 stop20h 57m
Frontier
Deal found 7/3![Frontier logo]()
$250
This Southwest deal was found by Cheapflights users on 7/2. 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 9/2211:10 am
SEA
- SAT
1 stop8h 15m
Southwest
Wed 9/2312:55 pm
SAT
- SEA
2 stops9h 20m
Southwest
Deal found 7/2![Southwest logo]()
$252
This Jettzy deal was found by Cheapflights users on 6/27. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/62:22 pm
SEA
- SAT
1 stop26h 32m
Frontier
Thu 8/139:32 pm
SAT
- SEA
1 stop15h 32m
Frontier
Deal found 6/27![Frontier logo]()
$256
This Southwest deal was found by Cheapflights users on 7/1. 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 8/191:40 pm
SEA
- SAT
1 stop5h 50m
Southwest
Wed 8/2612:55 pm
SAT
- SEA
2 stops9h 20m
Southwest
Deal found 7/1![Southwest logo]()
$257
This Southwest deal was found by Cheapflights users on 6/28. 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 8/118:30 am
SEA
- SAT
1 stop11h 55m
Southwest
Tue 8/1812:55 pm
SAT
- SEA
2 stops9h 20m
Southwest
Deal found 6/28![Southwest logo]()
$258
This CheapOair deal was found by Cheapflights users on 6/28. 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 7/157:06 pm
SEA
- SAT
1 stop21h 38m
Frontier
Sun 7/199:32 pm
SAT
- SEA
1 stop15h 07m
Frontier
Deal found 6/28![Frontier logo]()
$259
This Expedia deal was found by Cheapflights users on 7/2. 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 9/259:34 pm
PDX
- SAT
1 stop20h 08m
Frontier
Mon 9/2811:08 am
SAT
- PDX
1 stop7h 27m
Frontier
Deal found 7/2![Frontier logo]()
$259
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 July 3, 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 July 3, 2026.
This Delta deal was found by Cheapflights users on 6/29. 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 9/411:59 pm
SEA
- SAT
1 stop9h 50m
Delta
Mon 9/75:20 am
SAT
- SEA
1 stop8h 48m
Delta
Deal found 6/29![Delta logo]()
$247
This United Airlines deal was found by Cheapflights users on 7/2. 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 9/2111:59 pm
SEA
- SAT
1 stop8h 38m
United Airlines
Sat 9/264:50 pm
SAT
- SEA
1 stop6h 25m
United Airlines
Deal found 7/2![United Airlines logo]()
$247
This Southwest deal was found by Cheapflights users on 7/1. 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
SEA
- SAT
2 stops9h 25m
Southwest
Sat 9/191:10 pm
SAT
- SEA
1 stop7h 05m
Southwest
Deal found 7/1![Southwest logo]()
$261
This Expedia deal was found by Cheapflights users on 6/30. 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 8/47:45 pm
GEG
- SAT
1 stop7h 15m
Alaska Airlines
Sat 8/88:54 am
SAT
- GEG
2 stops12h 06m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$396
This Delta deal was found by Cheapflights users on 6/29. 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 9/125:45 am
SEA
- SAT
1 stop5h 55m
Delta
Sat 9/195:15 am
SAT
- SEA
1 stop11h 30m
Delta
Deal found 6/29![Delta logo]()
$247
This Southwest deal was found by Cheapflights users on 7/1. 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 8/137:00 am
SEA
- SAT
1 stop9h 30m
Southwest
Tue 9/11:30 pm
SAT
- SEA
2 stops9h 45m
Southwest
Deal found 7/1![Southwest logo]()
$276
This Southwest deal was found by Cheapflights users on 7/1. 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 9/2211:10 am
SEA
- SAT
1 stop8h 15m
Southwest
Thu 9/242:45 pm
SAT
- SEA
2 stops8h 30m
Southwest
Deal found 7/1![Southwest logo]()
$282
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Wed 7/151:52 pm
YKM
- SAT
2 stops8h 06m
American Airlines
Sun 7/195:01 am
SAT
- YKM
2 stops10h 14m
American Airlines
Deal found 6/30![American Airlines logo]()
$644
This United Airlines deal was found by Cheapflights users on 6/29. 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 8/156:00 am
GEG
- SAT
1 stop9h 56m
United Airlines
Sat 8/224:39 pm
SAT
- GEG
1 stop6h 07m
United Airlines
Deal found 6/29![United Airlines logo]()
$323
This Southwest deal was found by Cheapflights users on 7/2. 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 9/2111:00 pm
SEA
- SAT
1 stop9h 20m
Southwest
Sat 9/266:20 am
SAT
- SEA
2 stops8h 35m
Southwest
Deal found 7/2![Southwest logo]()
$284
This Delta deal was found by Cheapflights users on 7/1. 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 10/255:15 pm
PDX
- SAT
1 stop5h 10m
Delta
Sat 10/316:20 am
SAT
- PDX
1 stop8h 13m
Delta
Deal found 7/1![Delta logo]()
$323
This Delta deal was found by Cheapflights users on 6/30. 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 8/295:30 am
GEG
- SAT
1 stop6h 01m
Delta
Tue 9/86:00 am
SAT
- GEG
1 stop8h 58m
Delta
Deal found 6/30![Delta logo]()
$323
This Southwest deal was found by Cheapflights users on 6/30. 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 8/68:20 pm
SEA
- SAT
1 stop12h 05m
Southwest
Sun 8/95:40 pm
SAT
- SEA
2 stops9h 10m
Southwest
Deal found 6/30![Southwest logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 9/291:53 pm
PDX
- SAT
1 stop8h 06m
Alaska Airlines
Sat 10/39:37 am
SAT
- PDX
1 stop8h 38m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$423
This Delta deal was found by Cheapflights users on 7/2. 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 8/206:16 am
GEG
- SAT
1 stop6h 41m
Delta
Thu 8/276:03 pm
SAT
- GEG
1 stop7h 50m
Delta
Deal found 7/2![Delta logo]()
$327
This Southwest deal was found by Cheapflights users on 7/2. 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 9/2411:00 pm
SEA
- SAT
2 stops9h 35m
Southwest
Sun 9/275:40 pm
SAT
- SEA
2 stops8h 30m
Southwest
Deal found 7/2![Southwest logo]()
$311
This Booking.com deal was found by Cheapflights users on 6/28. 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 7/1410:33 am
PSC
- SAT
1 stop16h 27m
Alaska Airlines
Wed 7/154:44 pm
SAT
- PSC
1 stop8h 59m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$425
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 8/298:04 am
PSC
- SAT
1 stop6h 09m
Alaska Airlines
Tue 9/15:11 pm
SAT
- PSC
1 stop8h 38m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$425
This Southwest deal was found by Cheapflights users on 6/30. 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 8/151:40 pm
GEG
- SAT
1 stop6h 00m
Southwest
Sat 8/225:50 am
SAT
- GEG
2 stops9h 10m
Southwest
Deal found 6/30![Southwest logo]()
$328
This Delta deal was found by Cheapflights users on 7/2. 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 8/215:00 pm
GEG
- SAT
1 stop5h 26m
Delta
Mon 8/2412:39 pm
SAT
- GEG
1 stop5h 30m
Delta
Deal found 7/2![Delta logo]()
$365
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 7/316:07 pm
PSC
- SAT
1 stop8h 53m
Alaska Airlines
Wed 8/57:02 am
SAT
- PSC
1 stop7h 17m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$425
This Southwest deal was found by Cheapflights users on 6/28. 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 9/306:15 am
GEG
- SAT
1 stop6h 35m
Southwest
Sat 10/33:00 pm
SAT
- GEG
2 stops8h 00m
Southwest
Deal found 6/28![Southwest logo]()
$328
This United Airlines deal was found by Cheapflights users on 7/1. 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 8/295:15 am
PSC
- SAT
2 stops12h 43m
United Airlines
Tue 9/15:30 am
SAT
- PSC
2 stops8h 42m
United Airlines
Deal found 7/1![United Airlines logo]()
$535
This Delta deal was found by Cheapflights users on 7/2. 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 8/209:45 am
PDX
- SAT
1 stop5h 29m
Delta
Mon 8/244:49 pm
SAT
- PDX
2 stops9h 07m
Delta
Deal found 7/2![Delta logo]()
$403
This Southwest deal was found by Cheapflights users on 7/2. 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.
Sun 11/111:20 am
PDX
- SAT
2 stops8h 55m
Southwest
Wed 11/411:05 am
SAT
- PDX
1 stop5h 55m
Southwest
Deal found 7/2![Southwest logo]()
$371
This Alaska Airlines deal was found by Cheapflights users on 6/29. 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 9/296:06 am
PUW
- SAT
1 stop8h 13m
Alaska Airlines
Wed 9/305:17 pm
SAT
- PUW
1 stop8h 35m
Alaska Airlines
Deal found 6/29![Alaska Airlines logo]()
$505
This Delta deal was found by Cheapflights users on 7/2. 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 8/2010:03 am
PSC
- SAT
1 stop5h 11m
Delta
Thu 8/2712:39 pm
SAT
- PSC
1 stop6h 05m
Delta
Deal found 7/2![Delta logo]()
$425
This Southwest deal was found by Cheapflights users on 7/1. 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 9/2812:40 pm
PDX
- SAT
2 stops7h 35m
Southwest
Mon 10/55:25 am
SAT
- PDX
2 stops8h 05m
Southwest
Deal found 7/1![Southwest logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 7/306:07 pm
PSC
- SAT
1 stop8h 53m
Alaska Airlines
Thu 8/64:44 pm
SAT
- PSC
2 stops24h 38m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$510
This Southwest deal was found by Cheapflights users on 7/1. 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 8/196:55 am
PDX
- SAT
2 stops9h 05m
Southwest
Sun 8/231:35 pm
SAT
- PDX
2 stops8h 50m
Southwest
Deal found 7/1![Southwest logo]()
$380
Last-minute flights from Washington to San AntonioDiscover last-minute flight deals from Washington to San Antonio. Data last updated July 3, 2026 and is based on user searches.
Discover last-minute flight deals from Washington to San Antonio. Data last updated July 3, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 6/28. 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 7/147:06 pm
SEA
- SAT
1 stop21h 38m
Frontier
Sat 7/187:39 pm
SAT
- SEA
1 stop15h 38m
Frontier
Deal found 6/28![Frontier logo]()
$265
This CheapOair deal was found by Cheapflights users on 6/29. 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 7/157:06 pm
SEA
- SAT
1 stop21h 38m
Frontier
Tue 7/219:32 pm
SAT
- SEA
1 stop15h 07m
Frontier
Deal found 6/29![Frontier logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 7/208:53 pm
SEA
- SAT
1 stop21h 44m
Frontier
Wed 7/229:32 pm
SAT
- SEA
1 stop15h 07m
Frontier
Deal found 6/30![Frontier logo]()
$267
This CheapOair deal was found by Cheapflights users on 7/1. 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 7/295:21 pm
PDX
- SAT
1 stop23h 23m
Frontier
Wed 8/59:32 pm
SAT
- PDX
1 stop22h 32m
Frontier
Deal found 7/1![Frontier logo]()
$260
This Trip.com deal was found by Cheapflights users on 6/29. 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 7/317:06 pm
SEA
- SAT
1 stop21h 38m
Frontier
Sun 8/29:32 pm
SAT
- SEA
1 stop15h 07m
Frontier
Deal found 6/29![Frontier logo]()
$264
This Delta deal was found by Cheapflights users on 6/30. 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 8/65:45 am
SEA
- SAT
1 stop5h 46m
Delta
Mon 8/105:20 am
SAT
- SEA
1 stop8h 48m
Delta
Deal found 6/30![Delta logo]()
$247
This CheapOair deal was found by Cheapflights users on 6/30. 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.
Sat 8/87:06 pm
SEA
- SAT
1 stop21h 48m
Frontier
Thu 8/139:32 pm
SAT
- SEA
1 stop15h 32m
Frontier
Deal found 6/30![Frontier logo]()
$250
This CheapOair deal was found by Cheapflights users on 7/3. 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 8/105:49 pm
PDX
- SAT
1 stop24h 48m
Frontier
Thu 8/2010:24 pm
SAT
- PDX
1 stop20h 57m
Frontier
Deal found 7/3![Frontier logo]()
$250
This Southwest deal was found by Cheapflights users on 6/28. 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 8/118:30 am
SEA
- SAT
1 stop11h 55m
Southwest
Tue 8/1812:55 pm
SAT
- SEA
2 stops9h 20m
Southwest
Deal found 6/28![Southwest logo]()
$258
This Southwest deal was found by Cheapflights users on 7/1. 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 8/191:40 pm
SEA
- SAT
1 stop5h 50m
Southwest
Wed 8/2612:55 pm
SAT
- SEA
2 stops9h 20m
Southwest
Deal found 7/1![Southwest logo]()
$257
This Southwest deal was found by Cheapflights users on 6/28. 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 8/225:00 am
SEA
- SAT
2 stops9h 25m
Southwest
Wed 8/262:50 pm
SAT
- SEA
1 stop10h 45m
Southwest
Deal found 6/28![Southwest logo]()
$261
This United Airlines deal was found by Cheapflights users on 6/30. 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 8/271:16 pm
SEA
- SAT
1 stop6h 43m
United Airlines
Mon 8/314:39 pm
SAT
- SEA
1 stop6h 36m
United Airlines
Deal found 6/30![United Airlines logo]()
$242
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 July 3, 2026.
Search for one-way flight options from Washington to San Antonio. Find affordable one-way fares based on user searches. Data last updated July 3, 2026.
This United Airlines deal was found by Cheapflights users on 7/1. 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 9/101:16 pm
SEA
- SAT
1 stop6h 43m
United Airlines
Deal found 7/1![United Airlines logo]()
$119
This Delta deal was found by Cheapflights users on 7/2. 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 9/1012:36 pm
SEA
- SAT
1 stop9h 13m
Delta
Deal found 7/2![Delta logo]()
$124
This Super.com deal was found by Cheapflights users on 6/29. 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 7/288:13 pm
SEA
- SAT
1 stop22h 24m
Frontier
Deal found 6/29![Frontier logo]()
$125
This United Airlines deal was found by Cheapflights users on 6/30. 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 9/158:35 am
SEA
- SAT
2 stops12h 09m
United Airlines
Deal found 6/30![United Airlines logo]()
$129
This CheapOair deal was found by Cheapflights users on 6/28. 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 7/208:53 pm
SEA
- SAT
1 stop21h 44m
Frontier
Deal found 6/28![Frontier logo]()
$131
This Southwest deal was found by Cheapflights users on 7/1. 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
SEA
- SAT
2 stops9h 35m
Southwest
Deal found 7/1![Southwest logo]()
$138
This CheapOair deal was found by Cheapflights users on 7/1. 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 7/217:06 pm
SEA
- SAT
1 stop21h 38m
Frontier
Deal found 7/1![Frontier logo]()
$140
This CheapOair deal was found by Cheapflights users on 7/2. 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 7/285:16 pm
PDX
- SAT
1 stop23h 28m
Frontier
Deal found 7/2![Frontier logo]()
$141
This Super.com deal was found by Cheapflights users on 6/29. 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 7/87:06 pm
SEA
- SAT
1 stop21h 38m
Frontier
Deal found 6/29![Frontier logo]()
$142
This Mytrip deal was found by Cheapflights users on 7/1. 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 7/912:20 pm
PDX
- SAT
1 stop28h 24m
Frontier
Deal found 7/1![Frontier logo]()
$145
This Trip.com deal was found by Cheapflights users on 7/2. 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.
Wed 7/225:21 pm
PDX
- SAT
1 stop23h 23m
Frontier
Deal found 7/2![Frontier logo]()
$149
This Southwest deal was found by Cheapflights users on 7/2. 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 8/2011:00 pm
SEA
- SAT
2 stops9h 35m
Southwest
Deal found 7/2![Southwest logo]()
$152
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 July 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $240 (Expedia) |
One-way from | $119 (United Airlines) |
Popular in | June |
Cheapest in | September |
Average price | $391 |
Good round-trip deal | $418 or less |
Good one-way deal | $258 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 July 3, 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 - SAT
SEASAT
Seattle/Tacoma Intl
Fri 9/4
11:59 pm-11:49 am
1 stop9h 50m
San Antonio
Mon 9/7
5:20 am-12:08 pm
1 stop8h 48m
$247
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Mon 9/21
11:59 pm-10:37 am
1 stop8h 38m
San Antonio
Sat 9/26
4:50 pm-9:15 pm
1 stop6h 25m
$247
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Sat 9/12
5:45 am-1:40 pm
1 stop5h 55m
San Antonio
Sat 9/19
5:15 am-2:45 pm
1 stop11h 30m
$247
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Sat 9/12
5:00 am-4:25 pm
2 stops9h 25m
San Antonio
Sat 9/19
1:10 pm-6:15 pm
1 stop7h 05m
$261
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Thu 8/13
7:00 am-6:30 pm
1 stop9h 30m
San Antonio
Tue 9/1
1:30 pm-9:15 pm
2 stops9h 45m
$276
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Tue 9/22
11:10 am-9:25 pm
1 stop8h 15m
San Antonio
Thu 9/24
2:45 pm-9:15 pm
2 stops8h 30m
$282
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Mon 9/21
11:00 pm-10:20 am
1 stop9h 20m
San Antonio
Sat 9/26
6:20 am-12:55 pm
2 stops8h 35m
$284
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Thu 8/6
8:20 pm-10:25 am
1 stop12h 05m
San Antonio
Sun 8/9
5:40 pm-12:50 am
2 stops9h 10m
$307
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Thu 9/24
11:00 pm-10:35 am
2 stops9h 35m
San Antonio
Sun 9/27
5:40 pm-12:10 am
2 stops8h 30m
$311
SpokaneSan Antonio
GEG - SAT
GEGSAT
Spokane
Sat 8/15
6:00 am-5:56 pm
1 stop9h 56m
San Antonio
Sat 8/22
4:39 pm-8:46 pm
1 stop6h 07m
$323
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
PDX-SAT
GEG-SAT
PSC-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
PDX-SAT
GEG-SAT
PSC-SAT
What is the cheapest month to book a flight from State of Washington to San Antonio?
Currently, April is the cheapest month in which you can book a flight from State of Washington to San Antonio (average of $84). Flying from State of Washington to San Antonio in June is currently the most expensive (average of $214). 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 July 3, 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?
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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Complete your trip
Complete your trip to San Antonio by adding a car rental and/or hotel reservation to your travel itinerary.
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 July 3, 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 July 3, 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 July 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$84 | Average$253 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$118 | Average$337 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$139 | Average$354 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$153 | Average$390 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$180 | Average$490 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$201 | Average$374 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$215 | Average$401 | FlexibilityNo cancel fee | On-time63% |