Cheap Flights from Seattle, WA to San Antonio, TX from $88
On Cheapflightsplus.com you will find 8 direct and 254 connecting flights from Seattle to San Antonio. You can compare airfare deals from 6 airlines and multiple travel sites from $88, 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 $92 | 17:59 Seattle Seattle-Tacoma Intl | 23:59 San Antonio San Antonio | 4h 0m | Hawaiian Airlines | HA6747 |
from $92 | 12:46 Seattle Seattle-Tacoma Intl | 18:48 San Antonio San Antonio | 4h 2m | Hawaiian Airlines | HA6576 |
from $92 | 12:34 Seattle Seattle-Tacoma Intl | 18:46 San Antonio San Antonio | 4h 12m | Hawaiian Airlines | HA6441 |
from $93 | 12:33 Seattle Seattle-Tacoma Intl | 18:37 San Antonio San Antonio | 4h 4m | Hawaiian Airlines | HA6891 |
from $94 | 12:46 Seattle Seattle-Tacoma Intl | 18:48 San Antonio San Antonio | 4h 2m | Alaska Airlines | AS449 |
from $112 | 23:36 Seattle Seattle-Tacoma Intl | 05:40+1 день San Antonio San Antonio | 4h 4m | Alaska Airlines | AS423 |
from $147 | 23:11 Seattle Seattle-Tacoma Intl | 05:10+1 день San Antonio San Antonio | 3h 59m | Hawaiian Airlines | HA6890 |
from $151 | 23:11 Seattle Seattle-Tacoma Intl | 05:10+1 день San Antonio San Antonio | 3h 59m | Alaska Airlines | AS494 |
from $88 | 06:00 Seattle Seattle-Tacoma Intl | 14:00 San Antonio San Antonio | 6h 0m layover 0h 52m - Denver | Frontier Airlines | F93406 F92356 |
from $103 | 20:01 Seattle Seattle-Tacoma Intl | 18:02+1 день San Antonio San Antonio | 20h 1m layover 14h 53m - Denver | Frontier Airlines | F91176 F92098 |
from $112 | 16:58 Seattle Seattle-Tacoma Intl | 05:04+1 день San Antonio San Antonio | 10h 6m layover 4h 54m - Las Vegas | Spirit Airlines | NK782 NK1058 |
from $116 | 17:30 Seattle Seattle-Tacoma Intl | 18:33+1 день San Antonio San Antonio | 23h 3m layover 17h 53m - Las Vegas | Spirit Airlines | NK1682 NK1586 |
from $109 | 15:58 Seattle Seattle-Tacoma Intl | 12:02+1 день San Antonio San Antonio | 18h 4m layover 1h 40m - Las Vegas 9h 47m - Los Angeles | Spirit Airlines | NK2328 NK2508 NK2701 |
from $109 | 06:00 Seattle Seattle-Tacoma Intl | 13:42+1 день San Antonio San Antonio | 29h 42m layover 4h 11m - Las Vegas 18h 48m - Los Angeles | Spirit Airlines | NK2626 NK2686 NK2701 |
from $114 | 06:00 Seattle Seattle-Tacoma Intl | 13:42+1 день San Antonio San Antonio | 29h 42m layover 11h 25m - Las Vegas 11h 39m - Los Angeles | Spirit Airlines | NK2626 NK2508 NK2701 |
from $134 | 06:45 Seattle Seattle-Tacoma Intl | 21:17 San Antonio San Antonio | 12h 32m layover 3h 50m - Los Angeles 1h 29m - Houston | United Airlines | UA1244 UA1542 UA1542 |
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$93 |
|
12:34 — 18:46
|
12:34 — 18:46
HA6441
Hawaiian Airlines
Seattle — San Antonio
|
4h 12m |
Find flight
from$92 |
|
12:46 — 18:48
|
12:46 — 18:48
HA6576
Hawaiian Airlines
Seattle — San Antonio
|
4h 2m |
Find flight
from$92 |
|
12:46 — 18:48
|
12:46 — 18:48
AS449
Alaska Airlines
Seattle — San Antonio
|
4h 2m |
Find flight
from$94 |
|
17:59 — 23:59
|
17:59 — 23:59
HA6747
Hawaiian Airlines
Seattle — San Antonio
|
4h |
Find flight
from$92 |
|
23:11 — 05:10
+1 day
|
23:11 — 05:10
HA6890
Hawaiian Airlines
Seattle — San Antonio
|
3h 59m |
Find flight
from$147 |
|
23:11 — 05:10
+1 day
|
23:11 — 05:10
AS494
Alaska Airlines
Seattle — San Antonio
|
3h 59m |
Find flight
from$151 |
|
23:36 — 05:40
+1 day
|
23:36 — 05:40
AS423
Alaska Airlines
Seattle — San Antonio
|
4h 4m |
Find flight
from$112 |
|
05:00 — 13:16
|
05:00 — 11:19
UA1668
United Airlines
Seattle — Houston
51m stop
12:10 — 13:16
UA468
United Airlines
Houston — San Antonio
|
6h 16m including layover |
Find flight
from$129 |
|
05:07 — 12:43
|
05:07 — 08:48
UA2269
United Airlines
Seattle — Denver
47m stop
09:35 — 12:43
UA2063
United Airlines
Denver — San Antonio
|
5h 36m including layover |
Find flight
from$128 |
|
06:00 — 14:00
|
06:00 — 09:51
F93406
Frontier Airlines
Seattle — Denver
52m stop
10:43 — 14:00
F92356
Frontier Airlines
Denver — San Antonio
|
6h including layover |
Find flight
from$88 |
|
06:25 — 18:02
|
06:25 — 10:16
F93406
Frontier Airlines
Seattle — Denver
4h 31m stop
15:35 — 18:51
F92098
Frontier Airlines
Denver — San Antonio
|
9h 37m including layover |
Find flight
from$103 |
|
07:05 — 15:26
|
07:05 — 13:33
UA2135
United Airlines
Seattle — Houston
46m stop
14:20 — 15:26
UA697
United Airlines
Houston — San Antonio
|
6h 21m including layover |
Find flight
from$128 |
|
07:05 — 17:57
|
07:05 — 13:34
UA2135
United Airlines
Seattle — Houston
3h 16m stop
16:50 — 17:57
UA6233
United Airlines
Houston — San Antonio
|
8h 52m including layover |
Find flight
from$128 |
|
09:50 — 18:36
|
09:50 — 15:46
AS426
Alaska Airlines
Seattle — Dallas
1h 32m stop
17:34 — 18:39
AS4477
Alaska Airlines
Dallas — San Antonio
|
6h 46m including layover |
Find flight
from$142 |
|
09:50 — 19:27
|
09:50 — 15:53
AS426
Alaska Airlines
Seattle — Dallas
2h 22m stop
18:15 — 19:27
AS4325
Alaska Airlines
Dallas — San Antonio
|
7h 37m including layover |
Find flight
from$142 |
|
10:26 — 19:32
|
10:40 — 17:05
UA1005
United Airlines
Seattle — Houston
1h 35m stop
18:45 — 19:52
UA1477
United Airlines
Houston — San Antonio
|
7h 6m including layover |
Find flight
from$128 |
|
10:40 — 21:17
|
10:40 — 17:05
UA1005
United Airlines
Seattle — Houston
3h 5m stop
20:10 — 21:17
UA1542
United Airlines
Houston — San Antonio
|
8h 37m including layover |
Find flight
from$130 |
|
11:11 — 20:46
|
11:11 — 14:58
UA1049
United Airlines
Seattle — Denver
2h 37m stop
17:35 — 20:46
UA1110
United Airlines
Denver — San Antonio
|
7h 35m including layover |
Find flight
from$130 |
|
13:00 — 22:17
|
13:00 — 15:15
UA1620
United Airlines
Seattle — San Francisco
1h 33m stop
16:48 — 22:17
UA424
United Airlines
San Francisco — San Antonio
|
7h 17m including layover |
Find flight
from$130 |
|
13:37 — 23:42
|
13:40 — 19:36
AS549
Alaska Airlines
Seattle — Dallas
2h 54m stop
22:49 — 23:56
AS4300
Alaska Airlines
Dallas — San Antonio
|
8h 5m including layover |
Find flight
from$142 |
|
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$129 |
|
15:58 — 05:00
+1 day
|
15:20 — 17:51
NK2328
Spirit Airlines
Seattle — Las Vegas
6h 4m stop
00:33 — 05:04
NK2705
Spirit Airlines
Las Vegas — San Antonio
|
11h 2m including layover |
Find flight
from$113 |
|
16:58 — 05:04
+1 day
|
16:58 — 19:36
NK782
Spirit Airlines
Seattle — Las Vegas
4h 54m stop
00:30 — 05:04
NK1058
Spirit Airlines
Las Vegas — San Antonio
|
10h 6m including layover |
Find flight
from$112 |
|
17:30 — 18:33
+1 day
|
17:30 — 19:58
NK1682
Spirit Airlines
Seattle — Las Vegas
17h 53m stop
13:51 — 18:33
NK1586
Spirit Airlines
Las Vegas — San Antonio
|
23h 3m including layover |
Find flight
from$116 |
|
20:01 — 18:02
+1 day
|
19:10 — 23:12
F91176
Frontier Airlines
Seattle — Denver
14h 53m stop
15:20 — 18:36
F92098
Frontier Airlines
Denver — San Antonio
|
20h 1m including layover |
Find flight
from$103 |
|
23:59 — 09:47
+1 day
|
23:59 — 05:25
SY290
Sun Country Airlines
Seattle — Minneapolis
1h 44m stop
07:00 — 09:53
SY1835
Sun Country Airlines
Minneapolis — San Antonio
|
7h 48m including layover |
Find flight
from$119 |
|
08:00 — 22:48
|
08:00 — 16:10
UA2217
United Airlines
Seattle — Washington D.C.
1h 45m stop
17:55 — 20:13
UA2217
United Airlines
Washington D.C. — Houston
1h 32m stop
21:45 — 22:48
UA1475
United Airlines
Houston — San Antonio
|
12h 48m including layover |
Find flight
from$134 |
|
15:58 — 12:02
+1 day
|
15:20 — 17:51
NK2328
Spirit Airlines
Seattle — Las Vegas
1h 40m stop
19:56 — 21:15
NK2508
Spirit Airlines
Las Vegas — Los Angeles
9h 47m stop
08:54 — 13:42
NK2701
Spirit Airlines
Los Angeles — San Antonio
|
18h 4m including layover |
Find flight
from$109 |
|
16:58 — 23:30
+1 day
|
16:58 — 19:36
NK782
Spirit Airlines
Seattle — Las Vegas
9h 24m stop
05:00 — 06:18
NK465
Spirit Airlines
Las Vegas — Los Angeles
12h 21m stop
18:39 — 23:30
NK848
Spirit Airlines
Los Angeles — San Antonio
|
28h 32m including layover |
Find flight
from$119 |
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 2m.
- The fastest flight 3h 59m
- Average flight time 4h 2m
- The earliest flight 00:20
- The latest flight 23:59
- Distance 1774 ml
The cheapest months to travel to San Antonio are may (from 108 $), june (from 109 $), september (from 118 $).
The most expensive months are november (from 339 $), february (from 282 $), december (from 272 $).
What is the lowest airfare Seattle to San Antonio?
The cheapest plane ticket found by our users is $88. This airfare is for economy class on one-way F93406 flight by Frontier Airlines for September 27, 2025 which leaves Seattle-Tacoma Intl in Seattle at 06:00 am and arrives at San Antonio San Antonio at 14:00.
Popular Airlines on the Route
The flight Seattle — San Antonio is served by 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 62 departures per week at the price of from $ 94 . And the most expensive tickets are offered by United Airlines airline - from $ 569.
Direct flights
There are 8 nonstop flights on the route. The fastest direct flight is HA6890 by Hawaiian Airlines takes 3h 59m and the cheapest is F93406 by Frontier Airlines for $92.
- AS - Alaska Airlinesfrom $94Find
- HA - Hawaiian Airlinesfrom $92Find
Connecting Flights
There are 254 flights with layovers on the route. The fastest connecting flight is UA2269 by United Airlines takes 5h 36m and the cheapest is F93406 by Frontier Airlines for $88.
- AS - Alaska Airlinesfrom $142Find
- F9 - Frontier Airlinesfrom $88Find
- SY - Sun Country Airlinesfrom $119Find
- HA - Hawaiian Airlinesfrom $471Find
- UA - United Airlinesfrom $128Find
- NK - Spirit Airlinesfrom $109Find
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 $88Find
- 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 6 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Seattle
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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.
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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»
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