$90+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SAT
Jul 10 — Jul 171
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 June 10, 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 June 10, 2026.
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 8/45:08 pm
PDX
- SAT
1 stop5h 18m
Delta
Tue 8/184:49 pm
SAT
- PDX
1 stop7h 23m
Delta
Deal found 6/8![Delta logo]()
$269
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Wed 9/168:40 am
PDX
- SAT
1 stop6h 15m
United Airlines
Wed 9/231:45 pm
SAT
- PDX
2 stops8h 55m
United Airlines
Deal found 6/9![United Airlines logo]()
$274
This Southwest deal was found by Cheapflights users on 6/9. 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 9/292:00 pm
PDX
- SAT
1 stop5h 30m
Southwest
Tue 10/610:55 am
SAT
- PDX
2 stops7h 50m
Southwest
Deal found 6/9![Southwest logo]()
$276
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:20 am
PDX
- SAT
2 stops7h 40m
Southwest
Wed 10/2810:55 am
SAT
- PDX
2 stops7h 50m
Southwest
Deal found 6/8![Southwest logo]()
$281
This Alaska Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 11/36:02 am
GEG
- SAT
1 stop8h 23m
Alaska Airlines
Wed 11/45:21 pm
SAT
- GEG
1 stop7h 35m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$283
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 6/257:05 am
SEA
- SAT
1 stop6h 34m
United Airlines
Tue 6/305:30 am
SAT
- SEA
1 stop7h 17m
United Airlines
Deal found 6/8![United Airlines logo]()
$286
This Southwest deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 8/85:00 am
SEA
- SAT
2 stops9h 25m
Southwest
Wed 8/1912:55 pm
SAT
- SEA
2 stops9h 20m
Southwest
Deal found 6/6![Southwest logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 Alaska Airlines 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
Thu 8/64:44 pm
SAT
- GEG
1 stop9h 15m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$288
This United Airlines deal was found by Cheapflights users on 6/9. 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 6/305:00 am
SEA
- SAT
1 stop8h 39m
United Airlines
Sat 7/45:40 am
SAT
- SEA
1 stop6h 10m
United Airlines
Deal found 6/9![United Airlines logo]()
$291
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/12:03 pm
SEA
- SAT
1 stop7h 56m
American Airlines
Wed 7/225:35 pm
SAT
- SEA
1 stop9h 22m
American Airlines
Deal found 6/8![American Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/912:35 pm
SEA
- SAT
1 stop9h 19m
Delta
Thu 7/164:46 pm
SAT
- SEA
1 stop9h 17m
Delta
Deal found 6/7![Delta logo]()
$293
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:35 am
PDX
- SAT
1 stop8h 30m
Southwest
Wed 11/411:05 am
SAT
- PDX
1 stop5h 55m
Southwest
Deal found 6/8![Southwest logo]()
$293
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 June 10, 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 June 10, 2026.
This Delta deal was found by Cheapflights users on 6/10. 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.
Tue 8/45:08 pm
PDX
- SAT
1 stop5h 18m
Delta
Tue 8/112:22 pm
SAT
- PDX
1 stop7h 55m
Delta
Deal found 6/10![Delta logo]()
$269
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 6/257:05 am
SEA
- SAT
1 stop6h 34m
United Airlines
Tue 6/305:30 am
SAT
- SEA
1 stop7h 17m
United Airlines
Deal found 6/8![United Airlines logo]()
$286
This Southwest deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/145:15 am
SEA
- SAT
1 stop6h 45m
Southwest
Tue 7/145:55 pm
SAT
- SEA
2 stops7h 40m
Southwest
Deal found 6/6![Southwest logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:04 am
PSC
- SAT
1 stop6h 09m
Alaska Airlines
Sat 8/295:11 pm
SAT
- PSC
1 stop8h 38m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 6/9. 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.
Fri 9/410:35 pm
SEA
- SAT
1 stop9h 08m
Delta
Mon 9/76:03 pm
SAT
- SEA
1 stop7h 56m
Delta
Deal found 6/9![Delta logo]()
$291
This Southwest deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/812:00 pm
SEA
- SAT
2 stops10h 35m
Southwest
Tue 7/145:55 pm
SAT
- SEA
2 stops7h 40m
Southwest
Deal found 6/6![Southwest logo]()
$302
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 6/2512:35 pm
SEA
- SAT
1 stop9h 17m
Delta
Tue 6/305:25 am
SAT
- SEA
1 stop11h 30m
Delta
Deal found 6/5![Delta logo]()
$303
This Priceline deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am
PSC
- SAT
1 stop7h 57m
Alaska Airlines
Wed 9/95:17 pm
SAT
- PSC
1 stop8h 32m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 6/183:40 pm
SEA
- SAT
1 stop6h 15m
United Airlines
Sun 6/215:30 am
SAT
- SEA
1 stop7h 17m
United Airlines
Deal found 6/8![United Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 8/411:00 pm
SEA
- SAT
1 stop9h 20m
Southwest
Thu 8/62:45 pm
SAT
- SEA
2 stops8h 30m
Southwest
Deal found 6/5![Southwest logo]()
$346
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Wed 7/12:33 pm
SEA
- SAT
1 stop7h 22m
United Airlines
Sat 7/41:39 pm
SAT
- SEA
2 stops11h 39m
United Airlines
Deal found 6/9![United Airlines logo]()
$366
This Southwest deal was found by Cheapflights users on 6/10. 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.
Sun 7/128:05 pm
SEA
- SAT
1 stop12h 45m
Southwest
Mon 7/135:20 pm
SAT
- SEA
1 stop9h 35m
Southwest
Deal found 6/10![Southwest logo]()
$346
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 11/146:00 am
PSC
- SAT
1 stop5h 34m
Delta
Tue 11/172:00 pm
SAT
- PSC
1 stop7h 52m
Delta
Deal found 6/7![Delta logo]()
$349
This Alaska Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/46:15 am
PSC
- SAT
1 stop7h 31m
Alaska Airlines
Sat 7/117:02 am
SAT
- PSC
1 stop7h 17m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 6/10. 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 8/511:59 pm
PDX
- SAT
1 stop6h 28m
United Airlines
Wed 8/125:30 am
SAT
- PDX
2 stops8h 30m
United Airlines
Deal found 6/10![United Airlines logo]()
$370
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 11/126:00 am
PSC
- SAT
1 stop5h 34m
Delta
Mon 11/166:05 pm
SAT
- PSC
1 stop7h 40m
Delta
Deal found 6/7![Delta logo]()
$349
This Alaska Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 8/286:06 am
PUW
- SAT
1 stop8h 07m
Alaska Airlines
Tue 9/15:11 pm
SAT
- PUW
1 stop8h 41m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$389
This Southwest deal was found by Cheapflights users on 6/10. 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 8/46:55 am
PDX
- SAT
2 stops9h 05m
Southwest
Tue 8/116:10 am
SAT
- PDX
2 stops7h 40m
Southwest
Deal found 6/10![Southwest logo]()
$354
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:15 am
PSC
- SAT
1 stop7h 56m
Delta
Thu 9/106:05 pm
SAT
- PSC
1 stop7h 31m
Delta
Deal found 6/5![Delta logo]()
$359
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/172:25 pm
SEA
- SAT
1 stop8h 50m
Southwest
Sun 7/197:40 pm
SAT
- SEA
1 stop7h 15m
Southwest
Deal found 6/5![Southwest logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 10/276:25 am
YKM
- SAT
1 stop7h 48m
Alaska Airlines
Sat 10/315:09 pm
SAT
- YKM
1 stop8h 33m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 9/110:50 am
PDX
- SAT
2 stops9h 49m
United Airlines
Wed 9/24:39 pm
SAT
- PDX
1 stop8h 15m
United Airlines
Deal found 6/8![United Airlines logo]()
$429
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 6/135:30 am
SEA
- SAT
1 stop11h 40m
Southwest
Sun 7/127:40 pm
SAT
- SEA
1 stop7h 15m
Southwest
Deal found 6/7![Southwest logo]()
$368
This Alaska Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 11/146:01 am
PSC
- SAT
1 stop8h 24m
Alaska Airlines
Tue 11/175:21 pm
SAT
- PSC
1 stop8h 27m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$419
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/266:00 pm
GEG
- SAT
1 stop5h 45m
Southwest
Tue 8/46:40 pm
SAT
- GEG
1 stop6h 15m
Southwest
Deal found 6/8![Southwest logo]()
$369
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 6/1812:33 am
PDX
- SAT
1 stop9h 13m
Delta
Tue 6/234:44 pm
SAT
- PDX
1 stop7h 38m
Delta
Deal found 6/8![Delta logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/17:23 pm
PUW
- SAT
1 stop7h 37m
Alaska Airlines
Sun 7/57:02 am
SAT
- PUW
1 stop8h 51m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/312:35 pm
GEG
- SAT
1 stop6h 57m
Delta
Thu 7/236:05 pm
SAT
- GEG
1 stop7h 01m
Delta
Deal found 6/7![Delta logo]()
$434
This Southwest deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 6/252:25 pm
SEA
- SAT
1 stop8h 45m
Southwest
Tue 6/301:40 pm
SAT
- SEA
2 stops11h 30m
Southwest
Deal found 6/6![Southwest logo]()
$398
This Alaska Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/81:52 pm
YKM
- SAT
1 stop13h 08m
Alaska Airlines
Tue 7/144:44 pm
SAT
- YKM
1 stop9h 15m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$449
Last-minute flights from Washington to San AntonioDiscover last-minute flight deals from Washington to San Antonio. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Washington to San Antonio. Data last updated June 10, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/9. 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.
Thu 6/1811:59 pm
SEA
- SAT
1 stop9h 47m
Delta
Sun 6/216:03 pm
SAT
- SEA
1 stop6h 02m
Delta
Deal found 6/9![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 6/257:05 am
SEA
- SAT
1 stop6h 34m
United Airlines
Tue 6/305:30 am
SAT
- SEA
1 stop7h 17m
United Airlines
Deal found 6/8![United Airlines logo]()
$286
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 6/2512:35 pm
SEA
- SAT
1 stop9h 17m
Delta
Mon 6/294:44 pm
SAT
- SEA
1 stop7h 35m
Delta
Deal found 6/5![Delta logo]()
$303
This United Airlines deal was found by Cheapflights users on 6/9. 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 6/305:00 am
SEA
- SAT
1 stop8h 39m
United Airlines
Sat 7/45:40 am
SAT
- SEA
1 stop6h 10m
United Airlines
Deal found 6/9![United Airlines logo]()
$291
This Southwest deal was found by Cheapflights users on 6/9. 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 6/3010:45 pm
SEA
- SAT
1 stop9h 35m
Southwest
Sat 7/410:40 am
SAT
- SEA
2 stops9h 45m
Southwest
Deal found 6/9![Southwest logo]()
$297
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/12:03 pm
SEA
- SAT
1 stop7h 56m
American Airlines
Wed 7/225:35 pm
SAT
- SEA
1 stop9h 22m
American Airlines
Deal found 6/8![American Airlines logo]()
$292
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/46:45 am
SEA
- SAT
2 stops12h 00m
Southwest
Wed 7/85:55 pm
SAT
- SEA
2 stops7h 40m
Southwest
Deal found 6/8![Southwest logo]()
$308
This Southwest deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/812:00 pm
SEA
- SAT
2 stops10h 35m
Southwest
Mon 7/135:20 pm
SAT
- SEA
1 stop9h 35m
Southwest
Deal found 6/6![Southwest logo]()
$302
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/812:00 pm
SEA
- SAT
2 stops10h 35m
Southwest
Sun 7/127:40 pm
SAT
- SEA
1 stop7h 15m
Southwest
Deal found 6/8![Southwest logo]()
$311
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/912:35 pm
SEA
- SAT
1 stop9h 19m
Delta
Thu 7/164:46 pm
SAT
- SEA
1 stop9h 17m
Delta
Deal found 6/7![Delta logo]()
$293
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/216:30 am
SEA
- SAT
1 stop8h 45m
Southwest
Tue 7/287:55 pm
SAT
- SEA
1 stop6h 40m
Southwest
Deal found 6/5![Southwest logo]()
$301
This Trip.com deal was found by Cheapflights users on 6/10. 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.
Thu 7/3012:20 pm
PDX
- SAT
1 stop28h 24m
Multiple Airlines
Wed 8/54:44 pm
SAT
- PDX
1 stop8h 46m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$305
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 June 10, 2026.
Search for one-way flight options from Washington to San Antonio. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This Delta deal was found by Cheapflights users on 6/10. 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.
Tue 9/16:00 am
SEA
- SAT
1 stop10h 46m
Delta
Deal found 6/10![Delta logo]()
$90
This Delta deal was found by Cheapflights users on 6/10. 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 8/3111:59 pm
SEA
- SAT
1 stop9h 50m
Delta
Deal found 6/10![Delta logo]()
$106
This Southwest deal was found by Cheapflights users on 6/10. 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.
Wed 9/25:20 am
SEA
- SAT
2 stops10h 35m
Southwest
Deal found 6/10![Southwest logo]()
$111
This Delta deal was found by Cheapflights users on 6/10. 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.
Fri 9/45:30 am
SEA
- SAT
1 stop8h 24m
Delta
Deal found 6/10![Delta logo]()
$122
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/911:49 pm
SEA
- SAT
1 stop6h 38m
United Airlines
Deal found 6/8![United Airlines logo]()
$124
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/293:00 pm
SEA
- SAT
1 stop6h 00m
Southwest
Deal found 6/8![Southwest logo]()
$133
This Southwest deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 8/89:20 am
SEA
- SAT
1 stop11h 30m
Southwest
Deal found 6/6![Southwest logo]()
$134
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:41 pm
PDX
- SAT
1 stop6h 51m
American Airlines
Deal found 6/10![American Airlines logo]()
$135
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 6/205:00 am
SEA
- SAT
1 stop8h 39m
United Airlines
Deal found 6/5![United Airlines logo]()
$144
This Delta deal was found by Cheapflights users on 6/10. 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.
Thu 6/189:45 am
SEA
- SAT
1 stop10h 36m
Delta
Deal found 6/10![Delta logo]()
$154
This Priceline deal was found by Cheapflights users on 6/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:45 pm
GEG
- SAT
1 stop7h 15m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$158
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 6/1511:49 pm
SEA
- SAT
1 stop6h 38m
United Airlines
Deal found 6/5![United Airlines logo]()
$159
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 June 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $269 (Delta) |
One-way from | $90 (Delta) |
Popular in | June |
Cheapest in | September |
Average price | $442 |
Good round-trip deal | $467 or less |
Good one-way deal | $313 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 June 10, 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 8/4
5:08 pm-12:26 am
1 stop5h 18m
San Antonio
Tue 8/11
2:22 pm-8:17 pm
1 stop7h 55m
$269
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Thu 6/25
7:05 am-3:39 pm
1 stop6h 34m
San Antonio
Tue 6/30
5:30 am-10:47 am
1 stop7h 17m
$286
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Fri 9/4
10:35 pm-9:43 am
1 stop9h 08m
San Antonio
Mon 9/7
6:03 pm-11:59 pm
1 stop7h 56m
$291
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Tue 7/14
5:15 am-2:00 pm
1 stop6h 45m
San Antonio
Tue 7/14
5:55 pm-11:35 pm
2 stops7h 40m
$297
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Wed 7/8
12:00 pm-12:35 am
2 stops10h 35m
San Antonio
Tue 7/14
5:55 pm-11:35 pm
2 stops7h 40m
$302
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Thu 6/25
12:35 pm-11:52 pm
1 stop9h 17m
San Antonio
Tue 6/30
5:25 am-2:55 pm
1 stop11h 30m
$303
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Tue 8/4
11:00 pm-10:20 am
1 stop9h 20m
San Antonio
Thu 8/6
2:45 pm-9:15 pm
2 stops8h 30m
$346
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Sun 7/12
8:05 pm-10:50 am
1 stop12h 45m
San Antonio
Mon 7/13
5:20 pm-12:55 am
1 stop9h 35m
$346
PascoSan Antonio
PSC - SAT
PSCSAT
Pasco Tri Cities
Tue 8/25
8:04 am-4:13 pm
1 stop6h 09m
San Antonio
Sat 8/29
5:11 pm-11:49 pm
1 stop8h 38m
$349
PascoSan Antonio
PSC - SAT
PSCSAT
Pasco Tri Cities
Tue 9/1
6:00 am-3:57 pm
1 stop7h 57m
San Antonio
Wed 9/9
5:17 pm-11:49 pm
1 stop8h 32m
$349
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
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
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 June 10, 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 June 10, 2026.
The most flights from USWA to SAT are scheduled on a Wednesday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).
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 68 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Related info for your journey
Find useful and relevant information for your journey from Washington to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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Washington and San Antonio flights
Browse other Washington and San Antonio flight options. Last updated on June 10, 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 June 10, 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 June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$84 | Average$253 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$118 | Average$352 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$139 | Average$349 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$153 | Average$420 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$180 | Average$477 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$196 | Average$409 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$201 | Average$379 | FlexibilityNo cancel fee | On-time69% |