$109+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SAT
Jun 14 — Jun 211
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 May 15, 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 May 15, 2026.
This CheapOair deal was found by Cheapflights users on 5/11. 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.
Wed 8/125:16 pm
PDX
- SAT
1 stop23h 38m
Frontier
Tue 8/187:51 pm
SAT
- PDX
1 stop23h 06m
Frontier
Deal found 5/11![Frontier logo]()
$220
This CheapOair deal was found by Cheapflights users on 5/11. 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.
Thu 9/312:26 pm
PDX
- SAT
1 stop28h 30m
Frontier
Tue 9/87:51 pm
SAT
- PDX
1 stop20h 36m
Frontier
Deal found 5/11![Frontier logo]()
$240
This Trip.com deal was found by Cheapflights users on 5/11. 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 Trip.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
Wed 6/38:59 pm
SAT
- PDX
1 stop15h 21m
Frontier
Deal found 5/11![Frontier logo]()
$250
This CheapOair deal was found by Cheapflights users on 5/12. 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.
Thu 6/412:35 pm
PDX
- SAT
1 stop28h 24m
Frontier
Mon 6/87:54 pm
SAT
- PDX
1 stop22h 41m
Frontier
Deal found 5/12![Frontier logo]()
$254
This Super.com deal was found by Cheapflights users on 5/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:50 pm
SEA
- SAT
1 stop21h 09m
Frontier
Sun 6/78:59 pm
SAT
- SEA
1 stop15h 37m
Frontier
Deal found 5/11![Frontier logo]()
$256
This Trip.com deal was found by Cheapflights users on 5/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/308:12 pm
SEA
- SAT
1 stop21h 59m
Frontier
Fri 7/108:59 pm
SAT
- SEA
1 stop15h 40m
Frontier
Deal found 5/11![Frontier logo]()
$258
This Mytrip deal was found by Cheapflights users on 5/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/512:33 pm
GEG
- SAT
1 stop28h 26m
Frontier
Sun 6/77:54 pm
SAT
- GEG
1 stop17h 44m
Frontier
Deal found 5/11![Frontier logo]()
$259
This Booking.com deal was found by Cheapflights users on 5/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:50 pm
SEA
- SAT
1 stop21h 09m
Frontier
Fri 5/297:54 pm
SAT
- SEA
1 stop16h 12m
Frontier
Deal found 5/12![Frontier logo]()
$262
This Super.com deal was found by Cheapflights users on 5/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/167:41 pm
SEA
- SAT
1 stop21h 15m
Frontier
Thu 6/188:56 pm
SAT
- SEA
1 stop15h 39m
Frontier
Deal found 5/13![Frontier logo]()
$263
This Southwest deal was found by Cheapflights users on 5/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/14:35 pm
SEA
- SAT
1 stop5h 55m
Southwest
Sat 8/18:05 pm
SAT
- SEA
1 stop7h 05m
Southwest
Deal found 5/13![Southwest logo]()
$265
This Trip.com deal was found by Cheapflights users on 5/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/293:19 pm
SEA
- SAT
1 stop25h 40m
Frontier
Mon 6/17:54 pm
SAT
- SEA
1 stop16h 12m
Frontier
Deal found 5/11![Frontier logo]()
$266
This Mytrip deal was found by Cheapflights users on 5/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:50 pm
SEA
- SAT
1 stop21h 09m
Frontier
Fri 6/57:54 pm
SAT
- SEA
1 stop16h 12m
Frontier
Deal found 5/12![Frontier logo]()
$270
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 May 15, 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 May 15, 2026.
This Delta deal was found by Cheapflights users on 5/10. 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 6/96:05 am
SEA
- SAT
1 stop9h 08m
Delta
Tue 6/164:44 pm
SAT
- SEA
1 stop7h 21m
Delta
Deal found 5/10![Delta logo]()
$265
This Southwest deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 7/14:35 pm
SEA
- SAT
1 stop5h 55m
Southwest
Sat 8/18:05 pm
SAT
- SEA
1 stop7h 05m
Southwest
Deal found 5/15![Southwest logo]()
$265
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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 9/155:45 am
GEG
- SAT
1 stop8h 31m
Alaska Airlines
Wed 9/165:12 pm
SAT
- GEG
1 stop7h 13m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 5/11. 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 5/279:30 am
SEA
- SAT
1 stop10h 57m
Delta
Wed 6/35:55 pm
SAT
- SEA
1 stop8h 15m
Delta
Deal found 5/11![Delta logo]()
$301
This Southwest deal was found by Cheapflights users on 5/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:30 am
SEA
- SAT
1 stop8h 45m
Southwest
Sun 6/217:40 pm
SAT
- SEA
1 stop7h 10m
Southwest
Deal found 5/13![Southwest logo]()
$302
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 6/85:30 am
SEA
- SAT
1 stop8h 19m
Delta
Sun 6/146:03 pm
SAT
- SEA
1 stop7h 56m
Delta
Deal found 5/15![Delta logo]()
$312
This Southwest deal was found by Cheapflights users on 5/12. 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 5/266:50 am
SEA
- SAT
2 stops8h 30m
Southwest
Thu 6/49:40 pm
SAT
- SEA
1 stop6h 00m
Southwest
Deal found 5/12![Southwest logo]()
$348
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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 6/911:41 am
PSC
- SAT
1 stop15h 59m
Alaska Airlines
Sat 6/134:44 pm
SAT
- PSC
1 stop8h 55m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$387
This Delta deal was found by Cheapflights users on 5/11. 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.
Mon 6/221:51 pm
PSC
- SAT
2 stops8h 01m
Delta
Fri 6/262:30 pm
SAT
- PSC
1 stop7h 12m
Delta
Deal found 5/11![Delta logo]()
$354
This Southwest deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 6/181:30 pm
SEA
- SAT
2 stops10h 05m
Southwest
Mon 6/225:20 pm
SAT
- SEA
1 stop9h 30m
Southwest
Deal found 5/14![Southwest logo]()
$356
This Travelocity deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 7/156:04 pm
PSC
- SAT
1 stop8h 56m
Alaska Airlines
Sat 7/183:09 pm
SAT
- PSC
1 stop9h 08m
Alaska Airlines
Deal found 5/14![Alaska Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 5/13. 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.
Fri 6/197:15 am
SEA
- SAT
1 stop7h 58m
Delta
Wed 6/246:05 am
SAT
- SEA
1 stop8h 53m
Delta
Deal found 5/13![Delta logo]()
$371
This Alaska Airlines deal was found by Cheapflights users on 5/13. 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.
Thu 8/276:15 am
YKM
- SAT
1 stop7h 42m
Alaska Airlines
Mon 8/314:53 pm
SAT
- YKM
1 stop9h 02m
Alaska Airlines
Deal found 5/13![Alaska Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 5/11. 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.
Mon 6/812:45 pm
SEA
- SAT
2 stops10h 25m
Southwest
Thu 6/119:40 pm
SAT
- SEA
1 stop6h 00m
Southwest
Deal found 5/11![Southwest logo]()
$373
This Southwest deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 6/1312:55 pm
SEA
- SAT
2 stops9h 20m
Southwest
Sat 6/208:05 pm
SAT
- SEA
1 stop7h 05m
Southwest
Deal found 5/14![Southwest logo]()
$376
This Alaska Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 8/167:23 am
GEG
- SAT
1 stop6h 23m
Alaska Airlines
Tue 8/184:44 pm
SAT
- GEG
1 stop6h 12m
Alaska Airlines
Deal found 5/14![Alaska Airlines logo]()
$425
This Southwest deal was found by Cheapflights users on 5/10. 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.
Sat 6/1312:55 pm
SEA
- SAT
2 stops9h 20m
Southwest
Sat 6/278:05 pm
SAT
- SEA
1 stop7h 05m
Southwest
Deal found 5/10![Southwest logo]()
$387
This Delta deal was found by Cheapflights users on 5/11. 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.
Sun 7/512:33 am
PDX
- SAT
1 stop9h 13m
Delta
Sun 7/124:44 pm
SAT
- PDX
1 stop7h 29m
Delta
Deal found 5/11![Delta logo]()
$460
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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.
Thu 5/2811:41 am
PSC
- SAT
1 stop15h 59m
Alaska Airlines
Sun 5/315:57 pm
SAT
- PSC
1 stop8h 17m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$464
This Southwest deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 8/116:15 am
GEG
- SAT
2 stops9h 40m
Southwest
Sat 8/155:00 pm
SAT
- GEG
1 stop5h 55m
Southwest
Deal found 5/14![Southwest logo]()
$391
This Delta deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 6/107:05 am
PSC
- SAT
1 stop8h 08m
Delta
Sun 6/146:03 pm
SAT
- PSC
1 stop7h 55m
Delta
Deal found 5/14![Delta logo]()
$464
This Southwest deal was found by Cheapflights users on 5/12. 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.
Wed 8/57:30 am
GEG
- SAT
1 stop8h 45m
Southwest
Mon 8/106:40 am
SAT
- GEG
1 stop8h 35m
Southwest
Deal found 5/12![Southwest logo]()
$397
This Alaska Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 5/306:00 am
PUW
- SAT
1 stop9h 01m
Alaska Airlines
Wed 6/35:57 pm
SAT
- PUW
1 stop8h 25m
Alaska Airlines
Deal found 5/15![Alaska Airlines logo]()
$493
This Delta deal was found by Cheapflights users on 5/13. 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.
Fri 7/175:21 pm
PSC
- SAT
1 stop5h 05m
Delta
Sun 7/196:03 pm
SAT
- PSC
1 stop7h 51m
Delta
Deal found 5/13![Delta logo]()
$464
This Southwest deal was found by Cheapflights users on 5/12. 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.
Wed 7/295:10 am
PDX
- SAT
2 stops7h 50m
Southwest
Wed 7/296:35 pm
SAT
- PDX
1 stop6h 00m
Southwest
Deal found 5/12![Southwest logo]()
$416
This Delta deal was found by Cheapflights users on 5/10. 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 6/91:51 pm
PSC
- SAT
1 stop8h 25m
Delta
Sat 6/137:10 am
SAT
- PSC
2 stops9h 35m
Delta
Deal found 5/10![Delta logo]()
$469
This Southwest deal was found by Cheapflights users on 5/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2011:10 am
SEA
- SAT
2 stops10h 05m
Southwest
Wed 6/245:55 pm
SAT
- SEA
2 stops7h 35m
Southwest
Deal found 5/13![Southwest logo]()
$417
This Delta deal was found by Cheapflights users on 5/12. 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 7/165:21 pm
PSC
- SAT
1 stop5h 05m
Delta
Sun 7/196:03 pm
SAT
- PSC
2 stops7h 50m
Delta
Deal found 5/12![Delta logo]()
$470
This Southwest deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 7/17:50 am
PDX
- SAT
2 stops9h 30m
Southwest
Tue 7/143:55 pm
SAT
- PDX
2 stops8h 15m
Southwest
Deal found 5/14![Southwest logo]()
$421
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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 5/263:27 pm
PUW
- SAT
1 stop12h 13m
Alaska Airlines
Sat 5/307:00 am
SAT
- PUW
1 stop9h 50m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$674
Last-minute flights from Washington to San AntonioDiscover last-minute flight deals from Washington to San Antonio. Data last updated May 15, 2026 and is based on user searches.
Discover last-minute flight deals from Washington to San Antonio. Data last updated May 15, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 5/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:50 pm
SEA
- SAT
1 stop21h 09m
Frontier
Fri 5/297:54 pm
SAT
- SEA
1 stop16h 12m
Frontier
Deal found 5/12![Frontier logo]()
$262
This Mytrip deal was found by Cheapflights users on 5/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:50 pm
SEA
- SAT
1 stop21h 09m
Frontier
Fri 6/57:54 pm
SAT
- SEA
1 stop16h 12m
Frontier
Deal found 5/12![Frontier logo]()
$270
This Booking.com deal was found by Cheapflights users on 5/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:50 pm
SEA
- SAT
1 stop21h 09m
Frontier
Tue 6/27:54 pm
SAT
- SEA
1 stop16h 12m
Frontier
Deal found 5/12![Frontier logo]()
$272
This Trip.com deal was found by Cheapflights users on 5/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/293:19 pm
SEA
- SAT
1 stop25h 40m
Frontier
Mon 6/17:54 pm
SAT
- SEA
1 stop16h 12m
Frontier
Deal found 5/11![Frontier logo]()
$266
This Trip.com deal was found by Cheapflights users on 5/11. 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 Trip.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
Wed 6/38:59 pm
SAT
- PDX
1 stop15h 21m
Frontier
Deal found 5/11![Frontier logo]()
$250
This CheapOair deal was found by Cheapflights users on 5/12. 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 6/25:46 pm
PDX
- SAT
1 stop23h 13m
Frontier
Tue 6/97:51 pm
SAT
- PDX
1 stop22h 44m
Frontier
Deal found 5/12![Frontier logo]()
$260
This CheapOair deal was found by Cheapflights users on 5/12. 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.
Thu 6/412:35 pm
PDX
- SAT
1 stop28h 24m
Frontier
Mon 6/87:54 pm
SAT
- PDX
1 stop22h 41m
Frontier
Deal found 5/12![Frontier logo]()
$254
This Super.com deal was found by Cheapflights users on 5/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:50 pm
SEA
- SAT
1 stop21h 09m
Frontier
Sun 6/78:59 pm
SAT
- SEA
1 stop15h 37m
Frontier
Deal found 5/11![Frontier logo]()
$256
This Mytrip deal was found by Cheapflights users on 5/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/512:33 pm
GEG
- SAT
1 stop28h 26m
Frontier
Sun 6/77:54 pm
SAT
- GEG
1 stop17h 44m
Frontier
Deal found 5/11![Frontier logo]()
$259
This Delta deal was found by Cheapflights users on 5/13. 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.
Tue 6/99:45 am
SEA
- SAT
1 stop10h 36m
Delta
Tue 6/167:10 am
SAT
- SEA
1 stop7h 24m
Delta
Deal found 5/13![Delta logo]()
$265
This Super.com deal was found by Cheapflights users on 5/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/167:41 pm
SEA
- SAT
1 stop21h 15m
Frontier
Thu 6/188:56 pm
SAT
- SEA
1 stop15h 39m
Frontier
Deal found 5/13![Frontier logo]()
$263
This Trip.com deal was found by Cheapflights users on 5/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/308:12 pm
SEA
- SAT
1 stop21h 59m
Frontier
Fri 7/108:59 pm
SAT
- SEA
1 stop15h 40m
Frontier
Deal found 5/11![Frontier logo]()
$258
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 May 15, 2026.
Search for one-way flight options from Washington to San Antonio. Find affordable one-way fares based on user searches. Data last updated May 15, 2026.
This Super.com deal was found by Cheapflights users on 5/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/218:12 pm
SEA
- SAT
1 stop22h 02m
Frontier
Deal found 5/12![Frontier logo]()
$109
This Booking.com deal was found by Cheapflights users on 5/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/105:20 pm
PDX
- SAT
1 stop23h 36m
Frontier
Deal found 5/11![Frontier logo]()
$111
This Trip.com deal was found by Cheapflights users on 5/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/167:41 pm
SEA
- SAT
1 stop21h 15m
Frontier
Deal found 5/12![Frontier logo]()
$113
This Booking.com deal was found by Cheapflights users on 5/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:50 pm
SEA
- SAT
1 stop21h 09m
Frontier
Deal found 5/11![Frontier logo]()
$116
This Super.com deal was found by Cheapflights users on 5/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:50 pm
SEA
- SAT
1 stop21h 09m
Frontier
Deal found 5/11![Frontier logo]()
$119
This Super.com deal was found by Cheapflights users on 5/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:50 pm
SEA
- SAT
1 stop21h 09m
Frontier
Deal found 5/12![Frontier logo]()
$120
This Super.com deal was found by Cheapflights users on 5/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:50 pm
SEA
- SAT
1 stop21h 09m
Frontier
Deal found 5/12![Frontier logo]()
$128
This Super.com deal was found by Cheapflights users on 5/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/148:12 pm
SEA
- SAT
1 stop21h 59m
Frontier
Deal found 5/12![Frontier logo]()
$130
This Expedia deal was found by Cheapflights users on 5/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:16 pm
SEA
- SAT
1 stop21h 40m
Frontier
Deal found 5/12![Frontier logo]()
$131
This Delta deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 6/3012:35 pm
SEA
- SAT
1 stop9h 17m
Delta
Deal found 5/14![Delta logo]()
$133
This Super.com deal was found by Cheapflights users on 5/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:20 pm
SEA
- SAT
1 stop21h 54m
Frontier
Deal found 5/11![Frontier logo]()
$135
This CheapOair deal was found by Cheapflights users on 5/12. 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.
Mon 7/206:59 pm
PDX
- SAT
1 stop23h 15m
Frontier
Deal found 5/12![Frontier logo]()
$136
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 May 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $220 (CheapOair) |
One-way from | $109 (Super.com) |
Popular in | May |
Cheapest in | September |
Average price | $398 |
Good round-trip deal | $457 or less |
Good one-way deal | $248 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 May 15, 2026.
Use the filters below to find and compare flights from Washington to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Tue 6/9
6:05 am-5:13 pm
1 stop9h 08m
San Antonio
Tue 6/16
4:44 pm-10:05 pm
1 stop7h 21m
$265
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Wed 7/1
4:35 pm-12:30 am
1 stop5h 55m
San Antonio
Sat 8/1
8:05 pm-1:10 am
1 stop7h 05m
$265
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Wed 5/27
9:30 am-10:27 pm
1 stop10h 57m
San Antonio
Wed 6/3
5:55 pm-12:10 am
1 stop8h 15m
$301
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Wed 6/17
6:30 am-5:15 pm
1 stop8h 45m
San Antonio
Sun 6/21
7:40 pm-12:50 am
1 stop7h 10m
$302
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Mon 6/8
5:30 am-3:49 pm
1 stop8h 19m
San Antonio
Sun 6/14
6:03 pm-11:59 pm
1 stop7h 56m
$312
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Tue 5/26
6:50 am-5:20 pm
2 stops8h 30m
San Antonio
Thu 6/4
9:40 pm-1:40 am
1 stop6h 00m
$348
PascoSan Antonio
PSC - SAT
PSCSAT
Pasco Tri Cities
Mon 6/22
1:51 pm-11:52 pm
2 stops8h 01m
San Antonio
Fri 6/26
2:30 pm-7:42 pm
1 stop7h 12m
$354
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Thu 6/18
1:30 pm-1:35 am
2 stops10h 05m
San Antonio
Mon 6/22
5:20 pm-12:50 am
1 stop9h 30m
$356
SeattleSan Antonio
SEA - SAT
SEASAT
Seattle/Tacoma Intl
Fri 6/19
7:15 am-5:13 pm
1 stop7h 58m
San Antonio
Wed 6/24
6:05 am-12:58 pm
1 stop8h 53m
$371
SpokaneSan Antonio
GEG - SAT
GEGSAT
Spokane
Tue 9/15
5:45 am-4:16 pm
1 stop8h 31m
San Antonio
Wed 9/16
5:12 pm-10:25 pm
1 stop7h 13m
$373
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
PUW-SAT
PSC-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
PUW-SAT
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 69 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 May is currently the most expensive (average of $169). 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 May 15, 2026.
When flying from State of Washington to San Antonio, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost to fly round-trip from State of Washington to San Antonio?
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 May 15, 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 May 15, 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 May 15, 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$339 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$153 | Average$387 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$186 | Average$476 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$196 | Average$408 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$201 | Average$353 | FlexibilityNo cancel fee | On-time69% |