Cheap Flights from Seattle, WA to San Antonio, TX from $126
On Cheapflightsplus.com you will find 2 direct and 59 connecting flights from Seattle to San Antonio. You can compare airfare deals from 5 airlines and multiple travel sites from $126, book and save on cheap plane tickets and last minute offers. Also check out SEA-SAT flight schedule to find best flight time, convenient departure and arrival airports.
Find One-Way and Round-Trip Seattle to San Antonio Flight Deals
Best Flights from Seattle to San Antonio Today
Price | Departure | Arrival | Flight Duration | Airline | Flight |
---|---|---|---|---|---|
from $126 | 12:33 Seattle Seattle-Tacoma Intl | 18:37 San Antonio San Antonio | 4h 4m | Hawaiian Airlines | HA6891 |
from $148 | 23:36 Seattle Seattle-Tacoma Intl | 05:40+1 день San Antonio San Antonio | 4h 4m | Alaska Airlines | AS423 |
from $140 | 06:25 Seattle Seattle-Tacoma Intl | 19:13 San Antonio San Antonio | 10h 48m layover 5h 41m - Denver | Frontier Airlines | F93406 F92098 |
from $176 | 05:00 Seattle Seattle-Tacoma Intl | 13:19 San Antonio San Antonio | 6h 19m layover 0h 51m - Houston | United Airlines | UA1668 UA6017 |
from $177 | 14:24 Seattle Seattle-Tacoma Intl | 23:59 San Antonio San Antonio | 7h 35m layover 2h 28m - Denver | United Airlines | UA2859 UA1801 |
from $177 | 07:10 Seattle Seattle-Tacoma Intl | 17:42 San Antonio San Antonio | 8h 32m layover 3h 4m - Houston | United Airlines | UA2135 UA636 |
from $217 | 08:17 Seattle Seattle-Tacoma Intl | 17:40 San Antonio San Antonio | 7h 23m layover 2h 16m - Dallas | Alaska Airlines | AS414 AS4653 |
from $218 | 13:40 Seattle Seattle-Tacoma Intl | 21:46 San Antonio San Antonio | 6h 6m layover 1h 6m - Dallas | Alaska Airlines | AS549 AS4113 |
from $218 | 06:00 Seattle Seattle-Tacoma Intl | 14:14 San Antonio San Antonio | 6h 14m layover 1h 9m - Dallas | Alaska Airlines | AS491 AS6304 |
from $228 | 05:00 Seattle Seattle-Tacoma Intl | 12:47 San Antonio San Antonio | 5h 47m layover 0h 57m - Denver | United Airlines | UA2269 UA1131 |
from $258 | 17:15 Seattle Seattle-Tacoma Intl | 08:50+1 день San Antonio San Antonio | 13h 35m layover 8h 8m - Houston | United Airlines | UA485 UA491 |
from $258 | 17:15 Seattle Seattle-Tacoma Intl | 17:42+1 день San Antonio San Antonio | 22h 27m layover 17h 0m - Houston | United Airlines | UA485 UA636 |
from $261 | 06:00 Seattle Seattle-Tacoma Intl | 16:30 San Antonio San Antonio | 8h 30m layover 3h 30m - Dallas | Alaska Airlines | AS491 AS4014 |
from $267 | 07:10 Seattle Seattle-Tacoma Intl | 19:12 San Antonio San Antonio | 10h 2m layover 4h 34m - Houston | United Airlines | UA2135 UA1477 |
from $273 | 06:00 Seattle Seattle-Tacoma Intl | 15:31 San Antonio San Antonio | 7h 31m layover 2h 31m - Dallas | Alaska Airlines | AS491 AS4266 |
from $277 | 08:57 Seattle Seattle-Tacoma Intl | 17:00 San Antonio San Antonio | 6h 3m layover 1h 3m - Denver | United Airlines | UA347 UA1022 |
Flight Schedule Seattle (Washington) to San Antonio (Texas)
Departure | Arrival | Flight Details | Flight Duration | Price |
---|---|---|---|---|
12:33 — 18:37
|
12:33 — 18:37
HA6891
Hawaiian Airlines
Seattle — San Antonio
|
4h 4m |
Find flight
from$126 |
|
23:36 — 05:40
+1 day
|
23:36 — 05:40
AS423
Alaska Airlines
Seattle — San Antonio
|
4h 4m |
Find flight
from$148 |
|
00:20 — 11:45
|
00:20 — 06:28
UA1832
United Airlines
Seattle — Chicago
2h 17m stop
08:45 — 11:45
UA490
United Airlines
Chicago — San Antonio
|
9h 25m including layover |
Find flight
from$677 |
|
05:00 — 13:19
|
05:00 — 11:19
UA1668
United Airlines
Seattle — Houston
51m stop
12:10 — 13:19
UA6017
United Airlines
Houston — San Antonio
|
6h 19m including layover |
Find flight
from$176 |
|
05:00 — 15:32
|
05:00 — 11:19
UA1668
United Airlines
Seattle — Houston
3h 6m stop
14:25 — 15:32
UA6058
United Airlines
Houston — San Antonio
|
8h 32m including layover |
Find flight
from$177 |
|
06:00 — 14:14
|
06:00 — 12:00
AS491
Alaska Airlines
Seattle — Dallas
1h 9m stop
13:09 — 14:14
AS6304
Alaska Airlines
Dallas — San Antonio
|
6h 14m including layover |
Find flight
from$218 |
|
06:25 — 19:13
|
06:25 — 10:14
F93406
Frontier Airlines
Seattle — Denver
5h 41m stop
15:55 — 19:13
F92098
Frontier Airlines
Denver — San Antonio
|
10h 48m including layover |
Find flight
from$140 |
|
07:10 — 17:42
|
07:10 — 13:39
UA2135
United Airlines
Seattle — Houston
3h 4m stop
16:35 — 17:42
UA636
United Airlines
Houston — San Antonio
|
8h 32m including layover |
Find flight
from$177 |
|
07:10 — 19:12
|
07:05 — 13:33
UA2135
United Airlines
Seattle — Houston
4h 34m stop
18:45 — 19:52
UA1477
United Airlines
Houston — San Antonio
|
10h 2m including layover |
Find flight
from$267 |
|
08:17 — 17:40
|
08:17 — 14:19
AS414
Alaska Airlines
Seattle — Dallas
2h 16m stop
16:40 — 17:48
AS4653
Alaska Airlines
Dallas — San Antonio
|
7h 23m including layover |
Find flight
from$217 |
|
08:17 — 16:30
|
08:17 — 14:19
AS414
Alaska Airlines
Seattle — Dallas
1h 11m stop
15:30 — 16:30
AS4014
Alaska Airlines
Dallas — San Antonio
|
6h 13m including layover |
Find flight
from$261 |
|
09:50 — 19:46
|
09:50 — 15:48
AS426
Alaska Airlines
Seattle — Dallas
2h 55m stop
18:43 — 19:46
AS6612
Alaska Airlines
Dallas — San Antonio
|
7h 56m including layover |
Find flight
from$617 |
|
10:50 — 21:39
|
10:50 — 16:57
AS429
Alaska Airlines
Seattle — Chicago
1h 43m stop
18:40 — 21:39
AS4233
Alaska Airlines
Chicago — San Antonio
|
8h 49m including layover |
Find flight
from$1348 |
|
11:11 — 23:59
|
11:11 — 14:58
UA1969
United Airlines
Seattle — Denver
5h 45m stop
20:43 — 23:59
UA1801
United Airlines
Denver — San Antonio
|
10h 48m including layover |
Find flight
from$405 |
|
11:57 — 22:59
|
11:57 — 18:25
UA787
United Airlines
Seattle — Houston
3h 30m stop
21:55 — 22:59
UA1475
United Airlines
Houston — San Antonio
|
9h 2m including layover |
Find flight
from$507 |
|
12:00 — 23:00
|
12:00 — 14:54
AS1144
Alaska Airlines
Seattle — Los Angeles
3h 3m stop
17:57 — 23:00
AS6792
Alaska Airlines
Los Angeles — San Antonio
|
9h including layover |
Find flight
from$510 |
|
13:35 — 23:57
|
13:35 — 16:29
AS700
Alaska Airlines
Seattle — Phoenix
3h 16m stop
19:45 — 23:57
AS4116
Alaska Airlines
Phoenix — San Antonio
|
8h 22m including layover |
Find flight
from$620 |
|
13:40 — 21:46
|
13:40 — 19:36
AS549
Alaska Airlines
Seattle — Dallas
1h 6m stop
20:45 — 21:53
AS4113
Alaska Airlines
Dallas — San Antonio
|
6h 6m including layover |
Find flight
from$218 |
|
14:24 — 23:59
|
14:24 — 18:15
UA2859
United Airlines
Seattle — Denver
2h 28m stop
20:43 — 23:59
UA1801
United Airlines
Denver — San Antonio
|
7h 35m including layover |
Find flight
from$177 |
|
14:57 — 23:59
|
14:57 — 18:48
UA1747
United Airlines
Seattle — Denver
1h 55m stop
20:43 — 23:59
UA1801
United Airlines
Denver — San Antonio
|
7h 2m including layover |
Find flight
from$409 |
|
15:49 — 23:59
|
15:49 — 19:32
HA6650
Hawaiian Airlines
Seattle — Denver
1h 11m stop
20:43 — 23:59
UA1801
United Airlines
Denver — San Antonio
|
6h 10m including layover |
Find flight
from$659 |
|
17:15 — 08:50
+1 day
|
17:15 — 23:35
UA485
United Airlines
Seattle — Houston
8h 8m stop
07:43 — 08:50
UA491
United Airlines
Houston — San Antonio
|
13h 35m including layover |
Find flight
from$258 |
|
17:15 — 17:42
+1 day
|
17:15 — 23:35
UA485
United Airlines
Seattle — Houston
17h stop
16:35 — 17:42
UA636
United Airlines
Houston — San Antonio
|
22h 27m including layover |
Find flight
from$258 |
|
23:58 — 08:50
+1 day
|
23:58 — 06:16
UA2379
United Airlines
Seattle — Houston
1h 27m stop
07:43 — 08:50
UA491
United Airlines
Houston — San Antonio
|
6h 52m including layover |
Find flight
from$313 |
|
18:16 — 19:23
+1 day
|
18:16 — 23:33
SY286
Sun Country Airlines
Seattle — Minneapolis
6h 33m stop
06:06 — 07:56
SY421
Sun Country Airlines
Minneapolis — Los Angeles
6h 30m stop
14:26 — 19:23
NK1273
Spirit Airlines
Los Angeles — San Antonio
|
23h 7m including layover |
Find flight
from$394 |
Flight Information
Below we will explain in detail what the flights cost on the destination from Seattle to San Antonio depends on and how to choose the most interesting flight option for you.
Distance between Seattle and San Antonio is 2854 miles. Time difference between the cities is 2h. Airplanes depart 00:20 to 23:59 from 3 Seattle airports and arrive 00:20 to 23:59 to 5 San Antonio airports. Average flight time is 4h 4m.
- The fastest flight 4h 4m
- Average flight time 4h 4m
- The earliest flight 00:20
- The latest flight 23:59
- Distance 1774 ml
The cheapest months to travel to San Antonio are august (from 126 $), july (from 175 $), may (from 187 $).
The most expensive months are february (from 288 $), december (from 277 $), june (from 207 $).
What is the lowest airfare Seattle to San Antonio?
The cheapest plane ticket found by our users is $126. This airfare is for economy class on one-way HA6891 flight by Hawaiian Airlines for August 16, 2025 which leaves Seattle-Tacoma Intl in Seattle at 12:33 am and arrives at San Antonio San Antonio at 18:37.
Popular Airlines on the Route
The flight Seattle — San Antonio is served by 5 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 13 departures per week at the price of from $ 148 . And the most expensive tickets are offered by United Airlines airline - from $ 1906.
Direct flights
There are 2 nonstop flights on the route. The fastest direct flight is HA6891 by Hawaiian Airlines takes 4h 4m and the cheapest is HA6891 by Hawaiian Airlines for $126.
- AS - Alaska Airlinesfrom $148Find
- HA - Hawaiian Airlinesfrom $126Find
Connecting Flights
There are 59 flights with layovers on the route. The fastest connecting flight is UA2269 by United Airlines takes 5h 47m and the cheapest is HA6891 by Hawaiian Airlines for $140.
- AS - Alaska Airlinesfrom $217Find
- F9 - Frontier Airlinesfrom $140Find
- SY - Sun Country Airlinesfrom $328Find
- HA - Hawaiian Airlinesfrom $625Find
- UA - United Airlinesfrom $176Find
Airports
You can fly from Seattle to San Antonio from 3 airports (Boeing Field International Airport, Seattle-Tacoma Intl, Kenmore Air Harbor SPB).
Seattle airports
- Boeing Field International Airport-BFIFind
- Seattle-Tacoma Intl-SEAfrom $126Find
- Kenmore Air Harbor SPB-LKEFind
San Antonio airports
- Randolph AFB-RNDFind
- Martindale AAF-MDAFind
- San Antonio-SATFind
- Kelly AFB-SKFFind
- Stinson Municipal-SSFFind
Airplanes
There are flights to San Antonio from Seattle by 5 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Seattle
You may also consider searching for discounted plane tickets to some other popular places from Seattle within United States.
- from $78Find
- from $62Find
- from $180Find
- from $73Find
- from $67Find
- from $74Find
- from $53Find
- from $243Find
- from $72Find
- from $63Find
Top International Destinations from Seattle
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
- from $77Find
- from $70Find
- from $57Find
- from $63Find
- from $66Find
- from $64Find
- from $76Find
- from $80Find
- from $68Find
- from $64Find
How to book a plane ticket yourself?

- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
- Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
- That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
To find a plane ticket, please select dates.