Cheap Flights from Seattle, WA to San Antonio, TX from $73
On Cheapflightsplus.com you will find 2 direct and 267 connecting flights from Seattle to San Antonio. You can compare airfare deals from 7 airlines and multiple travel sites from $73, 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 $200 | 23:45 Seattle Seattle-Tacoma Intl | 05:30+1 день San Antonio San Antonio | 3h 45m | Alaska Airlines | AS446 |
from $73 | 22:08 Seattle Seattle-Tacoma Intl | 08:19+1 день San Antonio San Antonio | 8h 11m layover 3h 15m - Denver | Frontier Airlines | F91176 F92356 |
from $73 | 15:15 Seattle Seattle-Tacoma Intl | 12:02+1 день San Antonio San Antonio | 18h 47m layover 13h 41m - Denver | Frontier Airlines | F93406 F92356 |
from $92 | 09:57 Seattle Seattle-Tacoma Intl | 19:30 San Antonio San Antonio | 7h 33m layover 2h 13m - Las Vegas | Frontier Airlines | F94830 F93418 |
from $103 | 17:28 Seattle Seattle-Tacoma Intl | 04:59+1 день San Antonio San Antonio | 9h 31m layover 4h 31m - Las Vegas | Spirit Airlines | NK204 NK1058 |
from $120 | 06:00 Seattle Seattle-Tacoma Intl | 21:26 San Antonio San Antonio | 13h 26m layover 7h 48m - Los Angeles | Spirit Airlines | NK801 NK497 |
from $136 | 19:45 Seattle Seattle-Tacoma Intl | 04:59+1 день San Antonio San Antonio | 7h 14m layover 2h 13m - Las Vegas | Spirit Airlines | NK414 NK1058 |
from $161 | 11:36 Seattle Seattle-Tacoma Intl | 17:47+1 день San Antonio San Antonio | 28h 11m layover 22h 49m - Las Vegas | Frontier Airlines | F94204 F93418 |
from $180 | 09:00 Seattle Seattle-Tacoma Intl | 16:40 San Antonio San Antonio | 5h 40m layover 0h 43m - Denver | United Airlines | UA1829 UA1022 |
from $180 | 05:00 Seattle Seattle-Tacoma Intl | 13:07 San Antonio San Antonio | 6h 7m layover 1h 8m - Denver | United Airlines | UA757 UA1131 |
from $180 | 15:20 Seattle Seattle-Tacoma Intl | 23:38 San Antonio San Antonio | 6h 18m layover 1h 21m - Denver | United Airlines | UA1476 UA2028 |
from $180 | 23:59 Seattle Seattle-Tacoma Intl | 08:28+1 день San Antonio San Antonio | 6h 29m layover 1h 6m - Houston | United Airlines | UA2379 UA222 |
from $129 | 16:00 Seattle Seattle-Tacoma Intl | 10:09+1 день San Antonio San Antonio | 16h 9m layover 5h 18m - Las Vegas 0h 45m - Orlando | Spirit Airlines | NK414 NK1853 NK446 |
from $174 | 06:00 Seattle Seattle-Tacoma Intl | 05:04+1 день San Antonio San Antonio | 21h 4m layover 4h 54m - Los Angeles 9h 29m - Las Vegas | Spirit Airlines | NK801 NK1494 NK1058 |
from $179 | 17:26 Seattle Seattle-Tacoma Intl | 04:23+1 день San Antonio San Antonio | 8h 57m layover 1h 24m - Los Angeles 0h 54m - Las Vegas | Spirit Airlines | NK261 NK313 NK1775 |
from $179 | 17:26 Seattle Seattle-Tacoma Intl | 12:57+1 день San Antonio San Antonio | 17h 31m layover 1h 24m - Los Angeles 9h 27m - Las Vegas | Spirit Airlines | NK261 NK313 NK187 |
Flight Schedule Seattle (Washington) to San Antonio (Texas)
Departure | Arrival | Flight Details | Flight Duration | Price |
---|---|---|---|---|
12:29 — 18:25
|
12:29 — 18:25
AS494
Alaska Airlines
Seattle — San Antonio
|
3h 56m |
Find flight
from$209 |
|
23:45 — 05:30
+1 day
|
23:45 — 05:30
AS446
Alaska Airlines
Seattle — San Antonio
|
3h 45m |
Find flight
from$200 |
|
05:00 — 13:07
|
05:00 — 08:47
UA757
United Airlines
Seattle — Denver
1h 8m stop
09:55 — 13:07
UA1131
United Airlines
Denver — San Antonio
|
6h 7m including layover |
Find flight
from$180 |
|
05:36 — 16:38
|
05:36 — 07:50
UA1954
United Airlines
Seattle — San Francisco
3h 20m stop
11:10 — 16:38
UA1806
United Airlines
San Francisco — San Antonio
|
9h 2m including layover |
Find flight
from$180 |
|
06:00 — 21:26
|
06:00 — 08:46
NK801
Spirit Airlines
Seattle — Los Angeles
7h 48m stop
16:34 — 21:26
NK497
Spirit Airlines
Los Angeles — San Antonio
|
13h 26m including layover |
Find flight
from$120 |
|
07:00 — 17:44
|
07:00 — 13:23
UA1788
United Airlines
Seattle — Houston
3h 7m stop
16:30 — 17:44
UA6135
United Airlines
Houston — San Antonio
|
8h 44m including layover |
Find flight
from$182 |
|
07:05 — 15:26
|
07:05 — 13:24
UA1788
United Airlines
Seattle — Houston
56m stop
14:20 — 15:26
UA1524
United Airlines
Houston — San Antonio
|
6h 21m including layover |
Find flight
from$181 |
|
09:00 — 16:40
|
08:30 — 12:14
UA1829
United Airlines
Seattle — Denver
43m stop
13:41 — 16:54
UA1022
United Airlines
Denver — San Antonio
|
5h 40m including layover |
Find flight
from$180 |
|
09:57 — 19:30
|
14:55 — 17:32
F94830
Frontier Airlines
Seattle — Las Vegas
2h 13m stop
13:00 — 17:47
F93418
Frontier Airlines
Las Vegas — San Antonio
|
7h 33m including layover |
Find flight
from$92 |
|
11:36 — 17:47
+1 day
|
11:36 — 14:11
F94204
Frontier Airlines
Seattle — Las Vegas
22h 49m stop
13:00 — 17:47
F93418
Frontier Airlines
Las Vegas — San Antonio
|
28h 11m including layover |
Find flight
from$161 |
|
12:32 — 23:49
|
12:32 — 14:51
UA1399
United Airlines
Seattle — San Francisco
3h 34m stop
18:25 — 23:49
UA214
United Airlines
San Francisco — San Antonio
|
9h 17m including layover |
Find flight
from$181 |
|
12:55 — 23:59
|
12:55 — 15:12
UA737
United Airlines
Seattle — San Francisco
3h 13m stop
18:25 — 23:59
UA4669
United Airlines
San Francisco — San Antonio
|
9h 4m including layover |
Find flight
from$180 |
|
13:55 — 23:59
|
13:55 — 16:12
UA1152
United Airlines
Seattle — San Francisco
2h 13m stop
18:25 — 23:59
UA4669
United Airlines
San Francisco — San Antonio
|
8h 4m including layover |
Find flight
from$180 |
|
13:59 — 23:14
|
13:59 — 20:20
UA1334
United Airlines
Seattle — Houston
1h 45m stop
22:05 — 23:14
UA6158
United Airlines
Houston — San Antonio
|
7h 15m including layover |
Find flight
from$182 |
|
14:00 — 23:13
|
14:00 — 20:23
UA690
United Airlines
Seattle — Houston
1h 42m stop
22:05 — 23:13
UA5476
United Airlines
Houston — San Antonio
|
7h 13m including layover |
Find flight
from$180 |
|
14:00 — 23:10
|
14:00 — 20:23
UA690
United Airlines
Seattle — Houston
1h 42m stop
22:05 — 23:10
UA1645
United Airlines
Houston — San Antonio
|
7h 10m including layover |
Find flight
from$181 |
|
15:15 — 12:02
+1 day
|
09:19 — 13:04
F93406
Frontier Airlines
Seattle — Denver
13h 41m stop
07:10 — 10:29
F92356
Frontier Airlines
Denver — San Antonio
|
18h 47m including layover |
Find flight
from$73 |
|
15:20 — 23:38
|
15:20 — 19:04
UA1476
United Airlines
Seattle — Denver
1h 21m stop
20:25 — 23:38
UA2028
United Airlines
Denver — San Antonio
|
6h 18m including layover |
Find flight
from$180 |
|
17:28 — 04:59
+1 day
|
17:28 — 19:55
NK204
Spirit Airlines
Seattle — Las Vegas
4h 31m stop
00:26 — 04:59
NK1058
Spirit Airlines
Las Vegas — San Antonio
|
9h 31m including layover |
Find flight
from$103 |
|
19:45 — 04:59
+1 day
|
19:45 — 22:13
NK414
Spirit Airlines
Seattle — Las Vegas
2h 13m stop
00:26 — 04:59
NK1058
Spirit Airlines
Las Vegas — San Antonio
|
7h 14m including layover |
Find flight
from$136 |
|
22:08 — 08:19
+1 day
|
20:28 — 00:14
F91176
Frontier Airlines
Seattle — Denver
3h 15m stop
16:25 — 19:38
F92356
Frontier Airlines
Denver — San Antonio
|
8h 11m including layover |
Find flight
from$73 |
|
23:59 — 08:28
+1 day
|
23:59 — 06:14
UA2379
United Airlines
Seattle — Houston
1h 6m stop
07:20 — 08:28
UA222
United Airlines
Houston — San Antonio
|
6h 29m including layover |
Find flight
from$180 |
|
23:59 — 11:18
+1 day
|
23:59 — 06:14
UA2379
United Airlines
Seattle — Houston
3h 56m stop
10:10 — 11:18
UA1186
United Airlines
Houston — San Antonio
|
9h 19m including layover |
Find flight
from$180 |
|
06:00 — 05:04
+1 day
|
06:00 — 08:46
NK801
Spirit Airlines
Seattle — Los Angeles
4h 54m stop
13:40 — 15:01
NK1494
Spirit Airlines
Los Angeles — Las Vegas
9h 29m stop
00:30 — 05:04
NK1058
Spirit Airlines
Las Vegas — San Antonio
|
21h 4m including layover |
Find flight
from$174 |
|
08:44 — 23:10
|
08:44 — 11:01
UA1777
United Airlines
Seattle — San Francisco
3h 56m stop
14:57 — 20:50
UA242
United Airlines
San Francisco — Houston
1h 15m stop
22:05 — 23:10
UA1645
United Airlines
Houston — San Antonio
|
12h 26m including layover |
Find flight
from$186 |
|
08:44 — 23:38
|
08:44 — 11:01
UA1777
United Airlines
Seattle — San Francisco
1h 59m stop
13:00 — 16:40
UA1417
United Airlines
San Francisco — Denver
3h 45m stop
20:25 — 23:38
UA2028
United Airlines
Denver — San Antonio
|
12h 54m including layover |
Find flight
from$186 |
|
11:56 — 23:10
|
11:56 — 14:13
UA2848
United Airlines
Seattle — San Francisco
44m stop
14:57 — 20:50
UA242
United Airlines
San Francisco — Houston
1h 15m stop
22:05 — 23:10
UA1186
United Airlines
Houston — San Antonio
|
9h 14m including layover |
Find flight
from$188 |
|
16:00 — 10:09
+1 day
|
16:00 — 18:31
NK414
Spirit Airlines
Seattle — Las Vegas
5h 18m stop
23:49 — 07:15
NK1853
Spirit Airlines
Las Vegas — Orlando
45m stop
08:00 — 10:09
NK446
Spirit Airlines
Orlando — San Antonio
|
16h 9m including layover |
Find flight
from$129 |
|
17:28 — 17:46
+1 day
|
17:28 — 19:55
NK204
Spirit Airlines
Seattle — Las Vegas
9h 35m stop
05:30 — 13:02
NK867
Spirit Airlines
Las Vegas — Miami
2h 26m stop
15:28 — 17:46
NK955
Spirit Airlines
Miami — San Antonio
|
22h 18m including layover |
Find flight
from$162 |
|
21:21 — 19:35
+1 day
|
21:21 — 23:50
NK1456
Spirit Airlines
Seattle — Las Vegas
8h 33m stop
08:23 — 09:45
NK1723
Spirit Airlines
Las Vegas — Los Angeles
5h 5m stop
14:50 — 19:35
NK497
Spirit Airlines
Los Angeles — San Antonio
|
20h 14m including layover |
Find flight
from$192 |
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 05:00 to 23:59 from 3 Seattle airports and arrive 05:00 to 23:59 to 5 San Antonio airports. Average flight time is 3h 51m.
- The fastest flight 3h 45m
- Average flight time 3h 51m
- The earliest flight 05:00
- The latest flight 23:59
- Distance 1774 ml
The cheapest months to travel to San Antonio are november (from 73 $), december (from 92 $), january (from 97 $).
The most expensive months are february (from 102 $), january (from 97 $), december (from 92 $).
What is the lowest airfare Seattle to San Antonio?
The cheapest plane ticket found by our users is $73. This airfare is for economy class on one-way F91176 flight by Frontier Airlines for February 21, 2025 which leaves Seattle-Tacoma Intl in Seattle at 22:08 am and arrives at San Antonio San Antonio at 08:19.
Popular Airlines on the Route
The flight Seattle — San Antonio is served by 7 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 61 departures per week at the price of from $ 192 . And the most expensive tickets are offered by Volaris airline - from $ 966.
Direct flights
There are 2 nonstop flights on the route. The fastest direct flight is AS446 by Alaska Airlines takes 3h 45m and the cheapest is F91176 by Frontier Airlines for $200.
- AS - Alaska Airlinesfrom $200Find
Connecting Flights
There are 267 flights with layovers on the route. The fastest connecting flight is UA1829 by United Airlines takes 5h 40m and the cheapest is F91176 by Frontier Airlines for $73.
- AS - Alaska Airlinesfrom $192Find
- F9 - Frontier Airlinesfrom $73Find
- SY - Sun Country Airlinesfrom $272Find
- Y4 - Volarisfrom $403Find
- UA - United Airlinesfrom $180Find
- AM - Aeromexicofrom $792Find
- NK - Spirit Airlinesfrom $103Find
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 $73Find
- 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 7 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.
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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»
- 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.