$55+ 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
Mar 15 — Mar 221
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 February 13, 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 February 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/151:48 pm
PDX
- SAT
1 stop22h 31m
Frontier
Sun 4/193:14 pm
SAT
- PDX
1 stop21h 49m
Frontier
Deal found 2/10![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/221:48 pm
PDX
- SAT
1 stop22h 31m
Frontier
Tue 4/283:14 pm
SAT
- PDX
1 stop23h 48m
Frontier
Deal found 2/12![Frontier logo]()
$185
This Frontier deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/911:06 am
GEG
- SAT
1 stop11h 13m
Frontier
Wed 4/153:14 pm
SAT
- GEG
1 stop21h 17m
Frontier
Deal found 2/12![Frontier logo]()
$191
This American Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1012:59 am
SEA
- SAT
1 stop6h 34m
American Airlines
Wed 3/188:08 pm
SAT
- SEA
1 stop6h 47m
American Airlines
Deal found 2/9![American Airlines logo]()
$197
This CheapOair deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:57 pm
SEA
- SAT
1 stop17h 22m
Frontier
Mon 5/183:14 pm
SAT
- SEA
1 stop20h 13m
Frontier
Deal found 2/13![Frontier logo]()
$201
This CheapOair deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/221:48 pm
PDX
- SAT
1 stop22h 31m
Frontier
Sat 4/253:34 pm
SAT
- PDX
1 stop21h 29m
Frontier
Deal found 2/10![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/1312:42 pm
SEA
- SAT
1 stop23h 37m
Frontier
Fri 4/173:14 pm
SAT
- SEA
1 stop20h 13m
Frontier
Deal found 2/10![Frontier logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/1510:42 am
SEA
- SAT
2 stops25h 37m
Frontier
Sun 4/193:14 pm
SAT
- SEA
1 stop25h 51m
Frontier
Deal found 2/10![Frontier logo]()
$210
This Expedia deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 2/2012:00 pm
SEA
- SAT
1 stop29h 01m
Frontier
Fri 2/2710:48 pm
SAT
- SEA
1 stop19h 34m
Frontier
Deal found 2/10![Frontier logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/612:24 pm
SEA
- SAT
1 stop18h 42m
Frontier
Fri 4/173:14 pm
SAT
- SEA
1 stop20h 13m
Frontier
Deal found 2/12![Frontier logo]()
$212
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/181:32 pm
SEA
- SAT
1 stop8h 44m
Delta
Mon 4/276:12 pm
SAT
- SEA
1 stop7h 41m
Delta
Deal found 2/12![Delta logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 stop22h 31m
Frontier
Mon 4/203:14 pm
SAT
- PDX
1 stop23h 48m
Frontier
Deal found 2/10![Frontier logo]()
$216
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 February 13, 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 February 13, 2026.
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/101:30 pm
SEA
- SAT
1 stop7h 59m
Delta
Mon 3/164:10 pm
SAT
- SEA
1 stop9h 13m
Delta
Deal found 2/11![Delta logo]()
$215
This CheapOair deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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.
Sun 4/1911:48 am
PDX
- SAT
1 stop24h 31m
Frontier
Sun 4/263:14 pm
SAT
- PDX
1 stop21h 49m
Frontier
Deal found 2/10![Frontier logo]()
$222
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 3/103:52 pm
PDX
- SAT
1 stop5h 40m
United Airlines
Tue 3/175:47 am
SAT
- PDX
2 stops8h 46m
United Airlines
Deal found 2/9![United Airlines logo]()
$242
This Southwest deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/187:30 am
SEA
- SAT
2 stops9h 05m
Southwest
Tue 3/315:45 am
SAT
- SEA
1 stop6h 50m
Southwest
Deal found 2/11![Southwest logo]()
$266
This Alaska Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/78:25 am
PSC
- SAT
1 stop6h 45m
Alaska Airlines
Tue 3/106:06 pm
SAT
- PSC
1 stop7h 53m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$298
This CheapOair deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/121:48 pm
PDX
- SAT
1 stop22h 31m
Multiple Airlines
Mon 6/86:35 pm
SAT
- PDX
1 stop18h 59m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$311
This American Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1012:25 pm
GEG
- SAT
1 stop9h 31m
American Airlines
Sat 3/147:09 pm
SAT
- GEG
1 stop6h 05m
American Airlines
Deal found 2/12![American Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 5/69:51 am
SEA
- SAT
1 stop11h 17m
Delta
Mon 5/114:47 pm
SAT
- SEA
1 stop9h 08m
Delta
Deal found 2/11![Delta logo]()
$215
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:30 am
SEA
- SAT
1 stop8h 22m
Delta
Wed 5/276:10 pm
SAT
- SEA
1 stop7h 31m
Delta
Deal found 2/12![Delta logo]()
$215
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/181:32 pm
SEA
- SAT
1 stop8h 44m
Delta
Tue 3/247:35 am
SAT
- SEA
1 stop7h 14m
Delta
Deal found 2/11![Delta logo]()
$215
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/3011:35 pm
SEA
- SAT
1 stop7h 07m
United Airlines
Fri 4/34:17 pm
SAT
- SEA
2 stops8h 39m
United Airlines
Deal found 2/10![United Airlines logo]()
$271
This Southwest deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/219:20 am
SEA
- SAT
2 stops6h 55m
Southwest
Mon 4/276:45 pm
SAT
- SEA
2 stops8h 10m
Southwest
Deal found 2/12![Southwest logo]()
$282
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/181:32 pm
SEA
- SAT
1 stop8h 44m
Delta
Tue 3/317:35 am
SAT
- SEA
1 stop7h 14m
Delta
Deal found 2/11![Delta logo]()
$215
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/112:05 pm
PDX
- SAT
1 stop6h 52m
United Airlines
Wed 3/184:40 pm
SAT
- PDX
1 stop8h 20m
United Airlines
Deal found 2/10![United Airlines logo]()
$277
This Southwest deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/219:20 am
SEA
- SAT
2 stops6h 55m
Southwest
Sat 4/252:55 pm
SAT
- SEA
2 stops9h 15m
Southwest
Deal found 2/10![Southwest logo]()
$283
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/91:32 pm
SEA
- SAT
1 stop8h 44m
Delta
Tue 3/177:35 am
SAT
- SEA
1 stop7h 14m
Delta
Deal found 2/10![Delta logo]()
$225
This United Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/115:05 am
GEG
- SAT
1 stop5h 55m
United Airlines
Sat 4/184:45 pm
SAT
- GEG
1 stop6h 26m
United Airlines
Deal found 2/12![United Airlines logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 5/137:17 pm
PSC
- SAT
1 stop8h 12m
Alaska Airlines
Wed 5/207:00 am
SAT
- PSC
1 stop8h 06m
Alaska Airlines
Deal found 2/11![Alaska Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 3/104:55 pm
SEA
- SAT
1 stop5h 21m
Delta
Tue 3/177:35 am
SAT
- SEA
1 stop7h 14m
Delta
Deal found 2/9![Delta logo]()
$225
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 3/102:30 pm
PDX
- SAT
1 stop6h 35m
Southwest
Tue 3/176:30 am
SAT
- PDX
2 stops10h 00m
Southwest
Deal found 2/9![Southwest logo]()
$312
This Travelocity deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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.
Wed 5/133:10 pm
GEG
- SAT
1 stop12h 19m
Alaska Airlines
Sun 5/177:00 am
SAT
- GEG
1 stop6h 42m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/72:05 pm
PDX
- SAT
1 stop6h 52m
United Airlines
Thu 3/125:47 am
SAT
- PDX
1 stop6h 07m
United Airlines
Deal found 2/12![United Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/21:32 pm
SEA
- SAT
1 stop8h 44m
Delta
Mon 4/64:10 pm
SAT
- SEA
1 stop9h 13m
Delta
Deal found 2/12![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/175:15 am
PDX
- SAT
1 stop5h 35m
Southwest
Tue 3/177:50 pm
SAT
- PDX
1 stop6h 25m
Southwest
Deal found 2/10![Southwest logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 6/97:59 pm
PUW
- SAT
1 stop7h 30m
Alaska Airlines
Thu 6/115:57 pm
SAT
- PUW
1 stop8h 18m
Alaska Airlines
Deal found 2/11![Alaska Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/107:02 am
GEG
- SAT
2 stops11h 52m
United Airlines
Tue 3/174:40 pm
SAT
- GEG
1 stop6h 38m
United Airlines
Deal found 2/10![United Airlines logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 2/13![Alaska Airlines logo]()
$360
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 3/171:45 pm
PDX
- SAT
1 stop8h 31m
Delta
Wed 3/257:35 am
SAT
- PDX
1 stop6h 39m
Delta
Deal found 2/9![Delta logo]()
$247
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 4/285:05 am
GEG
- SAT
1 stop5h 55m
United Airlines
Thu 4/304:35 pm
SAT
- GEG
1 stop6h 41m
United Airlines
Deal found 2/11![United Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/410:30 pm
PDX
- SAT
1 stop9h 25m
Delta
Sat 4/186:20 pm
SAT
- PDX
1 stop6h 25m
Delta
Deal found 2/13![Delta logo]()
$277
Last-minute flights from Washington to San AntonioDiscover last-minute flight deals from Washington to San Antonio. Data last updated February 13, 2026 and is based on user searches.
Discover last-minute flight deals from Washington to San Antonio. Data last updated February 13, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 2/2012:00 pm
SEA
- SAT
1 stop29h 01m
Frontier
Fri 2/2710:48 pm
SAT
- SEA
1 stop19h 34m
Frontier
Deal found 2/10![Frontier logo]()
$211
This CheapOair deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 2/215:37 pm
SEA
- SAT
1 stop15h 03m
Frontier
Sun 3/111:35 am
SAT
- SEA
1 stop23h 16m
Frontier
Deal found 2/11![Frontier logo]()
$222
This CheapOair deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 2/269:23 pm
SEA
- SAT
1 stop22h 30m
Frontier
Sun 3/111:35 am
SAT
- SEA
1 stop23h 16m
Frontier
Deal found 2/10![Frontier logo]()
$201
This Expedia deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 2/269:23 pm
SEA
- SAT
1 stop10h 35m
Frontier
Sun 3/86:45 am
SAT
- SEA
1 stop6h 34m
Frontier
Deal found 2/10![Frontier logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:33 pm
SEA
- SAT
2 stops19h 42m
Frontier
Tue 4/213:14 pm
SAT
- SEA
1 stop20h 13m
Frontier
Deal found 2/12![Frontier logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/612:24 pm
SEA
- SAT
1 stop18h 42m
Frontier
Fri 4/173:14 pm
SAT
- SEA
1 stop20h 13m
Frontier
Deal found 2/12![Frontier logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/612:24 pm
SEA
- SAT
1 stop18h 42m
Frontier
Sun 4/193:14 pm
SAT
- SEA
1 stop20h 13m
Frontier
Deal found 2/12![Frontier logo]()
$230
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/94:55 pm
SEA
- SAT
1 stop5h 21m
Delta
Thu 3/124:10 pm
SAT
- SEA
1 stop9h 11m
Delta
Deal found 2/10![Delta logo]()
$225
This American Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1012:59 am
SEA
- SAT
1 stop6h 34m
American Airlines
Wed 3/188:08 pm
SAT
- SEA
1 stop6h 47m
American Airlines
Deal found 2/9![American Airlines logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1010:08 pm
SEA
- SAT
2 stops32h 58m
Frontier
Fri 5/153:14 pm
SAT
- SEA
1 stop20h 13m
Frontier
Deal found 2/12![Frontier logo]()
$224
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 3/103:52 pm
PDX
- SAT
1 stop5h 40m
United Airlines
Tue 3/171:23 pm
SAT
- PDX
1 stop6h 28m
United Airlines
Deal found 2/9![United Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/181:32 pm
SEA
- SAT
1 stop8h 44m
Delta
Mon 4/276:12 pm
SAT
- SEA
1 stop7h 41m
Delta
Deal found 2/12![Delta logo]()
$215
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 February 13, 2026.
Search for one-way flight options from Washington to San Antonio. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/211:48 pm
PDX
- SAT
1 stop22h 31m
Frontier
Deal found 2/10![Frontier logo]()
$55
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/2011:48 am
PDX
- SAT
1 stop24h 31m
Frontier
Deal found 2/10![Frontier logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 5/411:48 am
PDX
- SAT
1 stop24h 31m
Frontier
Deal found 2/10![Frontier logo]()
$60
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/2411:48 am
PDX
- SAT
1 stop24h 51m
Frontier
Deal found 2/10![Frontier logo]()
$66
This Trip.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/151:48 pm
PDX
- SAT
1 stop22h 31m
Frontier
Deal found 2/10![Frontier logo]()
$71
This Trip.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 5/84:20 pm
SEA
- SAT
1 stop20h 19m
Frontier
Deal found 2/10![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 5/136:57 pm
SEA
- SAT
1 stop17h 22m
Frontier
Deal found 2/9![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 5/61:48 pm
PDX
- SAT
1 stop22h 31m
Frontier
Deal found 2/10![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 5/154:20 pm
SEA
- SAT
1 stop20h 19m
Frontier
Deal found 2/10![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/2311:48 am
PDX
- SAT
1 stop24h 31m
Frontier
Deal found 2/10![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/51:48 pm
PDX
- SAT
1 stop22h 31m
Frontier
Deal found 2/12![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/612:04 pm
PDX
- SAT
1 stop19h 02m
Frontier
Deal found 2/12![Frontier logo]()
$95
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 February 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $155 (Kiwi.com) |
One-way from | $55 (Trip.com) |
Popular in | November |
Cheapest in | September |
Average price | $297 |
Good round-trip deal | $287 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 February 13, 2026.
Use the filters below to find and compare flights from Washington to San Antonio that are best for you.
Fly from
Washington
Fly to
San Antonio
Route
Depart
Return
Price
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Tue 3/10
1:30 pm-11:29 pm
1 stop7h 59m
San Antonio
Mon 3/16
4:10 pm-11:23 pm
1 stop9h 13m
$215
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Wed 5/6
9:51 am-11:08 pm
1 stop11h 17m
San Antonio
Mon 5/11
4:47 pm-11:55 pm
1 stop9h 08m
$215
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Tue 5/26
5:30 am-3:52 pm
1 stop8h 22m
San Antonio
Wed 5/27
6:10 pm-11:41 pm
1 stop7h 31m
$215
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Wed 3/18
1:32 pm-12:16 am
1 stop8h 44m
San Antonio
Tue 3/24
7:35 am-12:49 pm
1 stop7h 14m
$215
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Wed 3/18
1:32 pm-12:16 am
1 stop8h 44m
San Antonio
Tue 3/31
7:35 am-12:49 pm
1 stop7h 14m
$215
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Sun 4/19
11:48 am-2:19 pm
1 stop24h 31m
San Antonio
Sun 4/26
3:14 pm-11:03 am
1 stop21h 49m
$222
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Mon 3/9
1:32 pm-12:16 am
1 stop8h 44m
San Antonio
Tue 3/17
7:35 am-12:49 pm
1 stop7h 14m
$225
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Tue 3/10
4:55 pm-12:16 am
1 stop5h 21m
San Antonio
Tue 3/17
7:35 am-12:49 pm
1 stop7h 14m
$225
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Thu 4/2
1:32 pm-12:16 am
1 stop8h 44m
San Antonio
Mon 4/6
4:10 pm-11:23 pm
1 stop9h 13m
$237
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Tue 3/10
3:52 pm-11:32 pm
1 stop5h 40m
San Antonio
Tue 3/17
5:47 am-12:33 pm
2 stops8h 46m
$242
Showing 1-10 of 60 results
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
PSC-SAT
GEG-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
PDX-SAT
PSC-SAT
GEG-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 $221). 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 February 13, 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 February 13, 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 (2 on average).
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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Complete your trip
Complete your trip to San Antonio by adding a car rental and/or hotel reservation to your travel itinerary.
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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 February 13, 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 February 13, 2026.
Washington to San Antonio flights
Consider these flights traveling from Washington to San Antonio.
Top 8 airlines flying from Washington to San Antonio
Discover the top 8 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 February 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$84 | Average$253 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$118 | Average$374 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$138 | Average$315 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$163 | Average$224 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$168 | Average$383 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$174 | Average$336 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$178 | Average$400 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$194 | Average$406 | FlexibilityNo cancel fee | On-time63% |