$78+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SAT
Apr 28 — May 51
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 March 29, 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 March 29, 2026.
This CheapOair deal was found by Cheapflights users on 3/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1711:48 am
PDX
- SAT
1 stop25h 21m
Frontier
Mon 4/203:00 pm
SAT
- PDX
1 stop22h 52m
Frontier
Deal found 3/26![Frontier logo]()
$171
This CheapOair deal was found by Cheapflights users on 3/29. 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.
Tue 4/141:48 pm
PDX
- SAT
1 stop24h 05m
Frontier
Mon 4/203:00 pm
SAT
- PDX
1 stop22h 52m
Frontier
Deal found 3/29![Frontier logo]()
$191
This CheapOair deal was found by Cheapflights users on 3/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:45 pm
PDX
- SAT
1 stop20h 23m
Frontier
Mon 4/203:00 pm
SAT
- PDX
1 stop22h 52m
Frontier
Deal found 3/26![Frontier logo]()
$196
This CheapOair deal was found by Cheapflights users on 3/28. 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 4/1512:28 pm
PDX
- SAT
1 stop23h 47m
Frontier
Fri 4/173:00 pm
SAT
- PDX
1 stop22h 42m
Frontier
Deal found 3/28![Frontier logo]()
$211
This Booking.com deal was found by Cheapflights users on 3/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:58 am
PDX
- SAT
1 stop10h 21m
Frontier
Wed 4/154:49 pm
SAT
- PDX
1 stop20h 14m
Frontier
Deal found 3/26![Frontier logo]()
$218
This CheapOair deal was found by Cheapflights users on 3/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/111:48 am
PDX
- SAT
1 stop25h 21m
Frontier
Wed 5/67:54 pm
SAT
- PDX
1 stop22h 52m
Frontier
Deal found 3/25![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/164:20 pm
SEA
- SAT
2 stops15h 04m
Frontier
Wed 4/294:49 pm
SAT
- SEA
1 stop18h 38m
Frontier
Deal found 3/25![Frontier logo]()
$238
This Booking.com deal was found by Cheapflights users on 3/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/141:48 pm
PDX
- SAT
1 stop24h 05m
Frontier
Thu 4/163:00 pm
SAT
- PDX
1 stop22h 03m
Frontier
Deal found 3/26![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:12 pm
SEA
- SAT
1 stop17h 03m
Frontier
Mon 5/118:59 pm
SAT
- SEA
2 stops14h 50m
Frontier
Deal found 3/27![Frontier logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:12 pm
SEA
- SAT
1 stop17h 03m
Frontier
Sat 5/24:04 pm
SAT
- SEA
1 stop19h 23m
Frontier
Deal found 3/26![Frontier logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2112:38 pm
PDX
- SAT
1 stop25h 15m
Frontier
Mon 4/278:39 pm
SAT
- PDX
2 stops41h 13m
Frontier
Deal found 3/28![Frontier logo]()
$240
This CheapOair deal was found by Cheapflights users on 3/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1111:37 am
SEA
- SAT
1 stop6h 37m
Frontier
Mon 5/187:54 pm
SAT
- SEA
1 stop15h 55m
Frontier
Deal found 3/26![Frontier logo]()
$241
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 March 29, 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 March 29, 2026.
This Southwest deal was found by Cheapflights users on 3/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:30 am
PDX
- SAT
1 stop8h 30m
Southwest
Tue 5/56:20 am
SAT
- PDX
1 stop6h 15m
Southwest
Deal found 3/27![Southwest logo]()
$269
This Delta deal was found by Cheapflights users on 3/29. 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.
Thu 7/3011:59 pm
SEA
- SAT
1 stop9h 10m
Delta
Tue 8/44:44 pm
SAT
- SEA
1 stop9h 12m
Delta
Deal found 3/29![Delta logo]()
$275
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Tue 4/2111:35 pm
SEA
- SAT
1 stop7h 07m
United Airlines
Wed 4/226:02 pm
SAT
- SEA
1 stop7h 10m
United Airlines
Deal found 3/26![United Airlines logo]()
$293
This Alaska Airlines deal was found by Cheapflights users on 3/29. 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.
Sun 8/166:04 pm
PSC
- SAT
1 stop8h 56m
Alaska Airlines
Sun 8/234:53 pm
SAT
- PSC
1 stop9h 21m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$433
This Southwest deal was found by Cheapflights users on 3/26. 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.
Thu 6/115:30 am
SEA
- SAT
2 stops9h 25m
Southwest
Mon 6/156:30 pm
SAT
- SEA
1 stop6h 35m
Southwest
Deal found 3/26![Southwest logo]()
$275
This Delta deal was found by Cheapflights users on 3/26. 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.
Sat 4/2511:10 am
SEA
- SAT
1 stop8h 15m
Delta
Wed 4/297:00 am
SAT
- SEA
2 stops13h 26m
Delta
Deal found 3/26![Delta logo]()
$318
This Southwest deal was found by Cheapflights users on 3/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3010:45 pm
SEA
- SAT
1 stop9h 35m
Southwest
Tue 8/412:55 pm
SAT
- SEA
2 stops9h 20m
Southwest
Deal found 3/29![Southwest logo]()
$324
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Tue 5/126:00 am
GEG
- SAT
2 stops12h 49m
United Airlines
Fri 5/154:35 pm
SAT
- GEG
1 stop6h 41m
United Airlines
Deal found 3/24![United Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 3/27. 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.
Sat 4/1812:52 pm
GEG
- SAT
1 stop9h 54m
Delta
Mon 4/203:33 pm
SAT
- GEG
1 stop8h 07m
Delta
Deal found 3/27![Delta logo]()
$343
This Delta deal was found by Cheapflights users on 3/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:13 pm
PSC
- SAT
1 stop5h 12m
Delta
Sun 4/262:31 pm
SAT
- PSC
2 stops11h 13m
Delta
Deal found 3/25![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Tue 4/218:55 am
SEA
- SAT
2 stops12h 04m
United Airlines
Wed 4/292:14 pm
SAT
- SEA
2 stops9h 32m
United Airlines
Deal found 3/26![United Airlines logo]()
$390
This Southwest deal was found by Cheapflights users on 3/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/111:55 am
SEA
- SAT
2 stops10h 35m
Southwest
Wed 7/225:55 pm
SAT
- SEA
2 stops7h 35m
Southwest
Deal found 3/29![Southwest logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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.
Sat 5/96:00 am
PSC
- SAT
1 stop9h 05m
Alaska Airlines
Tue 5/126:01 pm
SAT
- PSC
1 stop7h 58m
Alaska Airlines
Deal found 3/27![Alaska Airlines logo]()
$454
This Southwest deal was found by Cheapflights users on 3/26. 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.
Mon 4/201:30 pm
GEG
- SAT
1 stop8h 35m
Southwest
Wed 4/224:55 pm
SAT
- GEG
2 stops8h 30m
Southwest
Deal found 3/26![Southwest logo]()
$359
This Delta deal was found by Cheapflights users on 3/26. 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.
Wed 5/69:30 am
GEG
- SAT
2 stops12h 06m
Delta
Wed 5/137:30 am
SAT
- GEG
2 stops13h 13m
Delta
Deal found 3/26![Delta logo]()
$362
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Sat 5/25:00 am
GEG
- SAT
2 stops12h 40m
United Airlines
Wed 5/64:35 pm
SAT
- GEG
1 stop6h 41m
United Airlines
Deal found 3/24![United Airlines logo]()
$416
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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.
Fri 5/297:59 pm
PUW
- SAT
1 stop7h 41m
Alaska Airlines
Wed 6/35:57 pm
SAT
- PUW
1 stop8h 25m
Alaska Airlines
Deal found 3/25![Alaska Airlines logo]()
$484
This Southwest deal was found by Cheapflights users on 3/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/121:30 pm
SEA
- SAT
2 stops10h 05m
Southwest
Mon 6/158:25 pm
SAT
- SEA
2 stops7h 15m
Southwest
Deal found 3/27![Southwest logo]()
$367
This Delta deal was found by Cheapflights users on 3/27. 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 7/165:21 pm
PSC
- SAT
1 stop5h 05m
Delta
Mon 7/202:26 pm
SAT
- PSC
1 stop7h 19m
Delta
Deal found 3/27![Delta logo]()
$367
This Delta deal was found by Cheapflights users on 3/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:13 pm
PSC
- SAT
1 stop5h 12m
Delta
Tue 4/282:31 pm
SAT
- PSC
1 stop7h 20m
Delta
Deal found 3/28![Delta logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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.
Thu 6/47:59 pm
PUW
- SAT
1 stop7h 41m
Alaska Airlines
Thu 6/114:41 pm
SAT
- PUW
1 stop9h 09m
Alaska Airlines
Deal found 3/25![Alaska Airlines logo]()
$498
This Southwest deal was found by Cheapflights users on 3/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:30 am
PDX
- SAT
1 stop8h 30m
Southwest
Thu 5/72:10 pm
SAT
- PDX
2 stops8h 10m
Southwest
Deal found 3/29![Southwest logo]()
$379
This Delta deal was found by Cheapflights users on 3/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:00 am
PSC
- SAT
2 stops12h 30m
Delta
Mon 4/276:05 pm
SAT
- PSC
1 stop7h 39m
Delta
Deal found 3/28![Delta logo]()
$372
This Southwest deal was found by Cheapflights users on 3/28. 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.
Fri 7/2410:45 pm
SEA
- SAT
1 stop9h 40m
Southwest
Mon 7/275:50 am
SAT
- SEA
2 stops12h 30m
Southwest
Deal found 3/28![Southwest logo]()
$380
This Expedia deal was found by Cheapflights users on 3/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/186:15 am
YKM
- SAT
1 stop8h 46m
Alaska Airlines
Wed 5/207:00 am
SAT
- YKM
1 stop9h 34m
Alaska Airlines
Deal found 3/25![Alaska Airlines logo]()
$529
This Delta deal was found by Cheapflights users on 3/26. 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.
Sun 4/2611:14 pm
SEA
- SAT
1 stop9h 40m
Delta
Thu 4/307:38 am
SAT
- SEA
1 stop9h 13m
Delta
Deal found 3/26![Delta logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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 5/21:57 pm
YKM
- SAT
1 stop25h 08m
Alaska Airlines
Wed 5/66:01 pm
SAT
- YKM
1 stop21h 19m
Alaska Airlines
Deal found 3/26![Alaska Airlines logo]()
$533
This Southwest deal was found by Cheapflights users on 3/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1210:55 am
GEG
- SAT
2 stops8h 45m
Southwest
Fri 5/156:45 pm
SAT
- GEG
2 stops7h 45m
Southwest
Deal found 3/24![Southwest logo]()
$408
This Delta deal was found by Cheapflights users on 3/26. 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.
Wed 4/221:45 pm
SEA
- SAT
1 stop7h 51m
Delta
Thu 4/307:38 am
SAT
- SEA
2 stops13h 27m
Delta
Deal found 3/26![Delta logo]()
$390
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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.
Wed 4/297:28 pm
PUW
- SAT
1 stop19h 37m
Alaska Airlines
Sat 5/26:01 pm
SAT
- PUW
1 stop7h 58m
Alaska Airlines
Deal found 3/26![Alaska Airlines logo]()
$556
Last-minute flights from Washington to San AntonioDiscover last-minute flight deals from Washington to San Antonio. Data last updated March 29, 2026 and is based on user searches.
Discover last-minute flight deals from Washington to San Antonio. Data last updated March 29, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 3/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:58 am
PDX
- SAT
1 stop10h 21m
Frontier
Wed 4/154:49 pm
SAT
- PDX
1 stop20h 14m
Frontier
Deal found 3/26![Frontier logo]()
$218
This Southwest deal was found by Cheapflights users on 3/25. 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.
Mon 4/1312:55 pm
SEA
- SAT
1 stop9h 10m
Southwest
Sat 4/252:45 pm
SAT
- SEA
2 stops9h 25m
Southwest
Deal found 3/25![Southwest logo]()
$239
This CheapOair deal was found by Cheapflights users on 3/29. 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.
Tue 4/141:48 pm
PDX
- SAT
1 stop24h 05m
Frontier
Mon 4/203:00 pm
SAT
- PDX
1 stop22h 52m
Frontier
Deal found 3/29![Frontier logo]()
$191
This Booking.com deal was found by Cheapflights users on 3/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/141:48 pm
PDX
- SAT
1 stop24h 05m
Frontier
Thu 4/163:00 pm
SAT
- PDX
1 stop22h 03m
Frontier
Deal found 3/26![Frontier logo]()
$238
This CheapOair deal was found by Cheapflights users on 3/28. 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 4/1512:28 pm
PDX
- SAT
1 stop23h 47m
Frontier
Fri 4/173:00 pm
SAT
- PDX
1 stop22h 42m
Frontier
Deal found 3/28![Frontier logo]()
$211
This CheapOair deal was found by Cheapflights users on 3/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:45 pm
PDX
- SAT
1 stop20h 23m
Frontier
Mon 4/203:00 pm
SAT
- PDX
1 stop22h 52m
Frontier
Deal found 3/26![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/164:20 pm
SEA
- SAT
2 stops15h 04m
Frontier
Wed 4/294:49 pm
SAT
- SEA
1 stop18h 38m
Frontier
Deal found 3/25![Frontier logo]()
$238
This CheapOair deal was found by Cheapflights users on 3/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1711:48 am
PDX
- SAT
1 stop25h 21m
Frontier
Mon 4/203:00 pm
SAT
- PDX
1 stop22h 52m
Frontier
Deal found 3/26![Frontier logo]()
$171
This CheapOair deal was found by Cheapflights users on 3/28. 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 4/187:12 pm
SEA
- SAT
1 stop17h 01m
Frontier
Wed 4/224:49 pm
SAT
- SEA
1 stop24h 16m
Frontier
Deal found 3/28![Frontier logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2112:38 pm
PDX
- SAT
1 stop25h 15m
Frontier
Mon 4/278:39 pm
SAT
- PDX
2 stops41h 13m
Frontier
Deal found 3/28![Frontier logo]()
$240
This CheapOair deal was found by Cheapflights users on 3/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:38 pm
PDX
- SAT
1 stop25h 15m
Frontier
Wed 5/67:54 pm
SAT
- PDX
1 stop22h 52m
Frontier
Deal found 3/27![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:12 pm
SEA
- SAT
1 stop17h 03m
Frontier
Sat 5/24:04 pm
SAT
- SEA
1 stop19h 23m
Frontier
Deal found 3/26![Frontier logo]()
$240
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 March 29, 2026.
Search for one-way flight options from Washington to San Antonio. Find affordable one-way fares based on user searches. Data last updated March 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2112:38 pm
PDX
- SAT
1 stop25h 15m
Frontier
Deal found 3/26![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/141:48 pm
PDX
- SAT
1 stop24h 05m
Frontier
Deal found 3/24![Frontier logo]()
$80
This Booking.com deal was found by Cheapflights users on 3/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/118:46 pm
PDX
- SAT
1 stop21h 28m
Frontier
Deal found 3/29![Frontier logo]()
$86
This American Airlines deal was found by Cheapflights users on 3/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2911:55 pm
SEA
- SAT
1 stop6h 28m
American Airlines
Deal found 3/25![American Airlines logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:12 pm
SEA
- SAT
1 stop18h 41m
Frontier
Deal found 3/27![Frontier logo]()
$91
This Southwest deal was found by Cheapflights users on 3/25. 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.
Tue 4/2811:35 am
SEA
- SAT
2 stops8h 30m
Southwest
Deal found 3/25![Southwest logo]()
$92
This CheapOair deal was found by Cheapflights users on 3/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1711:48 am
PDX
- SAT
1 stop25h 21m
Frontier
Deal found 3/26![Frontier logo]()
$92
This Delta deal was found by Cheapflights users on 3/27. 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.
Tue 5/51:45 pm
SEA
- SAT
1 stop7h 51m
Delta
Deal found 3/27![Delta logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:38 pm
PDX
- SAT
1 stop25h 15m
Frontier
Deal found 3/27![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:46 pm
PDX
- SAT
1 stop23h 13m
Frontier
Deal found 3/26![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/112:35 pm
PDX
- SAT
1 stop28h 24m
Frontier
Deal found 3/27![Frontier logo]()
$98
This eDestinos deal was found by Cheapflights users on 3/28. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:12 pm
SEA
- SAT
1 stop17h 57m
Frontier
Deal found 3/28![Frontier logo]()
$100
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 March 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $171 (CheapOair) |
One-way from | $78 (Kiwi.com) |
Popular in | March |
Cheapest in | August |
Average price | $400 |
Good round-trip deal | $422 or less |
Good one-way deal | $188 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 March 29, 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
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Tue 4/28
6:30 am-5:00 pm
1 stop8h 30m
San Antonio
Tue 5/5
6:20 am-10:35 am
1 stop6h 15m
$269
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Thu 7/30
11:59 pm-11:09 am
1 stop9h 10m
San Antonio
Tue 8/4
4:44 pm-11:56 pm
1 stop9h 12m
$275
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Thu 6/11
5:30 am-4:55 pm
2 stops9h 25m
San Antonio
Mon 6/15
6:30 pm-11:05 pm
1 stop6h 35m
$275
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Tue 4/21
11:35 pm-8:42 am
1 stop7h 07m
San Antonio
Wed 4/22
6:02 pm-11:12 pm
1 stop7h 10m
$293
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Sat 4/25
11:10 am-9:25 pm
1 stop8h 15m
San Antonio
Wed 4/29
7:00 am-6:26 pm
2 stops13h 26m
$318
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Thu 7/30
10:45 pm-10:20 am
1 stop9h 35m
San Antonio
Tue 8/4
12:55 pm-8:15 pm
2 stops9h 20m
$324
SpokaneSan Antonio
GEG - SAT
GEGSAT
Spokane
Sat 4/18
12:52 pm-12:46 am
1 stop9h 54m
San Antonio
Mon 4/20
3:33 pm-9:40 pm
1 stop8h 07m
$343
PascoSan Antonio
PSC - SAT
PSCSAT
Pasco Tri Cities
Thu 4/23
5:13 pm-12:25 am
1 stop5h 12m
San Antonio
Sun 4/26
2:31 pm-11:44 pm
2 stops11h 13m
$344
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Wed 7/1
11:55 am-12:30 am
2 stops10h 35m
San Antonio
Wed 7/22
5:55 pm-11:30 pm
2 stops7h 35m
$357
SpokaneSan Antonio
GEG - SAT
GEGSAT
Spokane
Mon 4/20
1:30 pm-12:05 am
1 stop8h 35m
San Antonio
Wed 4/22
4:55 pm-11:25 pm
2 stops8h 30m
$359
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
PDX-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
PSC-SAT
PDX-SAT
What is the cheapest month to book a flight from State of Washington to San Antonio?
Currently, February is the cheapest month in which you can book a flight from State of Washington to San Antonio (average of $97). Flying from State of Washington to San Antonio in June is currently the most expensive (average of $223). 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 March 29, 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.
Weekly flight availability from State of Washington to San Antonio
Explore weekly flight availability from Washington to San Antonio. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 29, 2026.
The most flights from USWA to SAT are scheduled on a Friday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from State of Washington to San Antonio?
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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Complete your trip
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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 March 29, 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 March 29, 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 March 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$84 | Average$253 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$118 | Average$377 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$139 | Average$319 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$153 | Average$389 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$186 | Average$453 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$196 | Average$383 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$201 | Average$357 | FlexibilityNo cancel fee | On-time69% |