Cheap Flights from San Antonio, TX to Seattle, WA from $88
On Cheapflightsplus.com you will find 7 direct and 297 connecting flights from San Antonio to Seattle. 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 SAT-SEA flight schedule to find best flight time, convenient departure and arrival airports.
Find One-Way and Round-Trip San Antonio to Seattle Flight Deals
Best Flights from San Antonio to Seattle Today
Price | Departure | Arrival | Flight Duration | Airline | Flight |
---|---|---|---|---|---|
from $93 | 19:37 San Antonio San Antonio | 21:53 Seattle Seattle-Tacoma Intl | 4h 16m | Hawaiian Airlines | HA6561 |
from $94 | 19:44 San Antonio San Antonio | 22:05 Seattle Seattle-Tacoma Intl | 4h 21m | Alaska Airlines | AS404 |
from $96 | 19:37 San Antonio San Antonio | 21:53 Seattle Seattle-Tacoma Intl | 4h 16m | Alaska Airlines | AS494 |
from $96 | 07:00 San Antonio San Antonio | 09:24 Seattle Seattle-Tacoma Intl | 4h 24m | Alaska Airlines | AS495 |
from $108 | 19:37 San Antonio San Antonio | 21:53 Seattle Seattle-Tacoma Intl | 4h 16m | Hawaiian Airlines | HA6517 |
from $168 | 06:30 San Antonio San Antonio | 08:50 Seattle Seattle-Tacoma Intl | 4h 20m | Hawaiian Airlines | HA6562 |
from $171 | 06:30 San Antonio San Antonio | 08:50 Seattle Seattle-Tacoma Intl | 4h 20m | Alaska Airlines | AS400 |
from $88 | 14:55 San Antonio San Antonio | 20:44 Seattle Seattle-Tacoma Intl | 7h 49m layover 2h 9m - Denver | Frontier Airlines | F92355 F94545 |
from $89 | 18:59 San Antonio San Antonio | 23:42 Seattle Seattle-Tacoma Intl | 6h 43m layover 1h 11m - Denver | Frontier Airlines | F92097 F94545 |
from $93 | 20:14 San Antonio San Antonio | 00:34+1 день Seattle Seattle-Tacoma Intl | 6h 20m layover 0h 44m - Denver | Frontier Airlines | F92097 F93405 |
from $97 | 20:14 San Antonio San Antonio | 18:59+1 день Seattle Seattle-Tacoma Intl | 24h 45m layover 19h 12m - Denver | Frontier Airlines | F92097 F91175 |
from $103 | 15:56 San Antonio San Antonio | 14:11+1 день Seattle Seattle-Tacoma Intl | 24h 15m layover 18h 25m - Las Vegas | Frontier Airlines | F93417 F92407 |
from $112 | 06:00 San Antonio San Antonio | 15:53 Seattle Seattle-Tacoma Intl | 11h 53m layover 6h 26m - Las Vegas | Spirit Airlines | NK1059 NK781 |
from $103 | 07:00 San Antonio San Antonio | 00:10+1 день Seattle Seattle-Tacoma Intl | 19h 10m layover 2h 14m - Los Angeles 9h 45m - Las Vegas | Spirit Airlines | NK2700 NK2685 NK2625 |
from $114 | 14:11 San Antonio San Antonio | 16:25+1 день Seattle Seattle-Tacoma Intl | 28h 14m layover 5h 37m - Los Angeles 15h 14m - Las Vegas | Spirit Airlines | NK1274 NK1052 NK1681 |
from $132 | 13:42 San Antonio San Antonio | 21:38 Seattle Seattle-Tacoma Intl | 9h 56m layover 0h 42m - Denver 1h 36m - Los Angeles | United Airlines | UA490 UA564 UA684 |
Flight Schedule San Antonio (Texas) to Seattle (Washington)
Departure | Arrival | Flight Details | Flight Duration | Price |
---|---|---|---|---|
06:30 — 08:50
|
06:30 — 08:50
HA6562
Hawaiian Airlines
San Antonio — Seattle
|
4h 20m |
Find flight
from$168 |
|
06:30 — 08:50
|
06:30 — 08:50
AS400
Alaska Airlines
San Antonio — Seattle
|
4h 20m |
Find flight
from$171 |
|
07:00 — 09:24
|
07:00 — 09:24
AS495
Alaska Airlines
San Antonio — Seattle
|
4h 24m |
Find flight
from$96 |
|
19:37 — 21:53
|
19:37 — 21:53
HA6561
Hawaiian Airlines
San Antonio — Seattle
|
4h 16m |
Find flight
from$93 |
|
19:37 — 21:53
|
19:37 — 21:53
AS494
Alaska Airlines
San Antonio — Seattle
|
4h 16m |
Find flight
from$96 |
|
19:37 — 21:53
|
19:37 — 21:53
HA6517
Hawaiian Airlines
San Antonio — Seattle
|
4h 16m |
Find flight
from$108 |
|
19:44 — 22:05
|
19:44 — 22:05
AS404
Alaska Airlines
San Antonio — Seattle
|
4h 21m |
Find flight
from$94 |
|
05:30 — 10:22
|
05:30 — 06:36
UA469
United Airlines
San Antonio — Houston
59m stop
08:05 — 10:52
UA1894
United Airlines
Houston — Seattle
|
6h 52m including layover |
Find flight
from$128 |
|
05:30 — 12:46
|
05:30 — 06:34
UA469
United Airlines
San Antonio — Houston
3h 26m stop
10:00 — 12:46
UA1486
United Airlines
Houston — Seattle
|
9h 16m including layover |
Find flight
from$128 |
|
06:00 — 15:53
|
06:00 — 06:44
NK1059
Spirit Airlines
San Antonio — Las Vegas
6h 26m stop
13:10 — 15:53
NK781
Spirit Airlines
Las Vegas — Seattle
|
11h 53m including layover |
Find flight
from$112 |
|
09:00 — 13:28
|
09:00 — 10:18
UA2853
United Airlines
San Antonio — Denver
1h 10m stop
11:28 — 13:28
UA690
United Airlines
Denver — Seattle
|
6h 28m including layover |
Find flight
from$128 |
|
09:00 — 15:31
|
08:55 — 10:13
UA2853
United Airlines
San Antonio — Denver
3h 17m stop
13:56 — 15:52
UA594
United Airlines
Denver — Seattle
|
8h 31m including layover |
Find flight
from$128 |
|
11:45 — 19:18
|
11:45 — 12:49
UA1282
United Airlines
San Antonio — Houston
3h 41m stop
16:30 — 19:18
UA2084
United Airlines
Houston — Seattle
|
9h 33m including layover |
Find flight
from$128 |
|
13:43 — 17:49
|
13:43 — 15:00
UA1312
United Airlines
San Antonio — Denver
50m stop
15:50 — 17:49
UA1254
United Airlines
Denver — Seattle
|
6h 6m including layover |
Find flight
from$129 |
|
13:44 — 17:57
|
13:44 — 15:00
UA490
United Airlines
San Antonio — Denver
1h 1m stop
16:01 — 17:57
UA745
United Airlines
Denver — Seattle
|
6h 13m including layover |
Find flight
from$129 |
|
14:55 — 20:44
|
14:55 — 16:23
F92355
Frontier Airlines
San Antonio — Denver
2h 9m stop
18:32 — 20:44
F94545
Frontier Airlines
Denver — Seattle
|
7h 49m including layover |
Find flight
from$88 |
|
15:56 — 14:11
+1 day
|
14:18 — 15:18
F93417
Frontier Airlines
San Antonio — Las Vegas
18h 25m stop
11:19 — 14:16
F92407
Frontier Airlines
Las Vegas — Seattle
|
24h 15m including layover |
Find flight
from$103 |
|
16:22 — 21:16
|
16:22 — 17:25
UA2157
United Airlines
San Antonio — Houston
1h 5m stop
18:30 — 21:16
UA1544
United Airlines
Houston — Seattle
|
6h 54m including layover |
Find flight
from$128 |
|
16:31 — 22:37
|
16:21 — 17:25
UA1494
United Airlines
San Antonio — Houston
2h 15m stop
19:50 — 22:37
UA2456
United Airlines
Houston — Seattle
|
8h 6m including layover |
Find flight
from$128 |
|
17:56 — 22:37
|
18:01 — 19:07
UA2170
United Airlines
San Antonio — Houston
48m stop
20:13 — 23:00
UA2456
United Airlines
Houston — Seattle
|
6h 41m including layover |
Find flight
from$128 |
|
17:56 — 23:17
|
17:56 — 19:05
UA2078
United Airlines
San Antonio — Houston
1h 25m stop
20:30 — 23:17
UA2456
United Airlines
Houston — Seattle
|
7h 21m including layover |
Find flight
from$128 |
|
18:35 — 07:59
+1 day
|
18:45 — 21:40
SY1836
Sun Country Airlines
San Antonio — Minneapolis
8h 53m stop
07:36 — 09:21
SY281
Sun Country Airlines
Minneapolis — Seattle
|
15h 24m including layover |
Find flight
from$120 |
|
18:59 — 23:42
|
18:59 — 20:29
F92097
Frontier Airlines
San Antonio — Denver
1h 11m stop
21:36 — 23:44
F94545
Frontier Airlines
Denver — Seattle
|
6h 43m including layover |
Find flight
from$89 |
|
19:50 — 00:34
+1 day
|
12:07 — 13:29
F92355
Frontier Airlines
San Antonio — Denver
1h 13m stop
17:17 — 19:27
F93405
Frontier Airlines
Denver — Seattle
|
6h 44m including layover |
Find flight
from$93 |
|
20:14 — 00:34
+1 day
|
20:12 — 21:45
F92097
Frontier Airlines
San Antonio — Denver
44m stop
22:29 — 00:34
F93405
Frontier Airlines
Denver — Seattle
|
6h 20m including layover |
Find flight
from$93 |
|
20:14 — 18:59
+1 day
|
20:12 — 21:45
F92097
Frontier Airlines
San Antonio — Denver
19h 12m stop
16:57 — 19:06
F91175
Frontier Airlines
Denver — Seattle
|
24h 45m including layover |
Find flight
from$97 |
|
22:51 — 14:25
+1 day
|
14:37 — 15:36
NK2702
Spirit Airlines
San Antonio — Las Vegas
11h 52m stop
11:40 — 14:25
NK2327
Spirit Airlines
Las Vegas — Seattle
|
17h 34m including layover |
Find flight
from$126 |
|
07:00 — 00:10
+1 day
|
06:45 — 07:59
NK2700
Spirit Airlines
San Antonio — Los Angeles
2h 14m stop
10:30 — 11:47
NK2685
Spirit Airlines
Los Angeles — Las Vegas
9h 45m stop
21:32 — 00:10
NK2625
Spirit Airlines
Las Vegas — Seattle
|
19h 10m including layover |
Find flight
from$103 |
|
14:11 — 16:25
+1 day
|
14:11 — 15:31
NK1274
Spirit Airlines
San Antonio — Los Angeles
5h 37m stop
19:20 — 20:34
NK1052
Spirit Airlines
Los Angeles — Las Vegas
15h 14m stop
13:40 — 16:25
NK1681
Spirit Airlines
Las Vegas — Seattle
|
28h 14m including layover |
Find flight
from$114 |
Flight Information
Below we will explain in detail what the flights cost on the destination from San Antonio to Seattle depends on and how to choose the most interesting flight option for you.
Distance between San Antonio and Seattle is 2854 miles. Time difference between the cities is 2h. Airplanes depart 05:00 to 22:57 from 5 San Antonio airports and arrive 05:00 to 22:57 to 3 Seattle airports. Average flight time is 4h 20m.
- The fastest flight 4h 16m
- Average flight time 4h 20m
- The earliest flight 05:00
- The latest flight 22:57
- Distance 1774 ml
The cheapest months to travel to Seattle are september (from 118 $), july (from 119 $), june (from 124 $).
The most expensive months are december (from 343 $), february (from 243 $), january (from 237 $).
What is the lowest airfare San Antonio to Seattle?
The cheapest plane ticket found by our users is $88. This airfare is for economy class on one-way F92355 flight by Frontier Airlines for September 27, 2025 which leaves San Antonio in San Antonio at 14:55 am and arrives at Seattle Seattle-Tacoma Intl at 20:44.
Popular Airlines on the Route
The flight San Antonio — Seattle is served by 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 57 departures per week at the price of from $ 94 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 605.
Direct flights
There are 7 nonstop flights on the route. The fastest direct flight is HA6561 by Hawaiian Airlines takes 4h 16m and the cheapest is F92355 by Frontier Airlines for $93.
- AS - Alaska Airlinesfrom $94Find
- HA - Hawaiian Airlinesfrom $93Find
Connecting Flights
There are 297 flights with layovers on the route. The fastest connecting flight is UA1312 by United Airlines takes 6h 6m and the cheapest is F92355 by Frontier Airlines for $88.
- AS - Alaska Airlinesfrom $142Find
- F9 - Frontier Airlinesfrom $88Find
- SY - Sun Country Airlinesfrom $120Find
- UA - United Airlinesfrom $128Find
- NK - Spirit Airlinesfrom $103Find
Airports
You can fly from San Antonio to Seattle from 5 airports (Randolph AFB, Martindale AAF, San Antonio, Kelly AFB, Stinson Municipal).
San Antonio airports
- Randolph AFB-RNDFind
- Martindale AAF-MDAFind
- San Antonio-SATfrom $88Find
- Kelly AFB-SKFFind
- Stinson Municipal-SSFFind
Seattle airports
- Boeing Field International Airport-BFIFind
- Seattle-Tacoma Intl-SEAFind
- Kenmore Air Harbor SPB-LKEFind
Airplanes
There are flights to Seattle from San Antonio by 6 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from San Antonio
You may also consider searching for discounted plane tickets to some other popular places from San Antonio within United States.
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Top International Destinations from San Antonio
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 $79Find
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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.
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- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
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