Cheap Flights from Seattle, WA to San Antonio, TX from $119

Return flight: San Antonio – Seattle

On Cheapflightsplus.com you will find 2 direct and 85 connecting flights from Seattle to San Antonio. You can compare airfare deals from 6 airlines and multiple travel sites from $119, 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.

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 119 $), july (from 166 $), november (from 177 $).

The most expensive months are february (from 272 $), december (from 263 $), june (from 196 $).

What is the lowest airfare Seattle to San Antonio?

The cheapest plane ticket found by our users is $119. This airfare is for economy class on one-way HA6891 flight by Hawaiian Airlines for August 17, 2025 which leaves Seattle-Tacoma Intl in Seattle at 12:33 am and arrives at San Antonio San Antonio at 18:37.

Economy class
$119
Find
Business class
?
Find
First class
?
Find

Flight Schedule Seattle (Washington) to San Antonio (Texas)

05:00 — 13:19
6h 19m flight time
Find flight
from$166
05:00 — 11:19 Seattle — Houston
UA1668 United Airlines
51m stop
12:10 — 13:19 Houston — San Antonio
UA6017 United Airlines
05:00 — 15:32
8h 32m flight time
Find flight
from$166
05:00 — 11:19 Seattle — Houston
UA1668 United Airlines
3h 6m stop
14:25 — 15:32 Houston — San Antonio
UA6058 United Airlines
05:00 — 12:47
5h 47m flight time
Find flight
from$177
05:00 — 08:47 Seattle — Denver
UA2269 United Airlines
57m stop
09:57 — 13:09 Denver — San Antonio
UA1131 United Airlines
06:00 — 14:14
6h 14m flight time
Find flight
from$207
06:00 — 12:00 Seattle — Dallas
AS491 Alaska Airlines
1h 9m stop
13:09 — 14:14 Dallas — San Antonio
AS6304 Alaska Airlines
06:00 — 16:30
8h 30m flight time
Find flight
from$247
06:00 — 12:00 Seattle — Dallas
AS491 Alaska Airlines
3h 30m stop
15:30 — 16:30 Dallas — San Antonio
AS4014 Alaska Airlines
06:00 — 15:31
7h 31m flight time
Find flight
from$259
06:00 — 12:00 Seattle — Dallas
AS491 Alaska Airlines
2h 31m stop
14:31 — 15:32 Dallas — San Antonio
AS4266 Alaska Airlines
07:10 — 17:42
8h 32m flight time
Find flight
from$168
07:10 — 13:39 Seattle — Houston
UA2135 United Airlines
3h 4m stop
16:35 — 17:42 Houston — San Antonio
UA636 United Airlines
07:10 — 15:32
6h 22m flight time
Find flight
from$232
07:10 — 13:31 Seattle — Houston
UA2135 United Airlines
54m stop
14:25 — 15:32 Houston — San Antonio
UA6058 United Airlines
07:10 — 19:12
10h 2m flight time
Find flight
from$253
07:05 — 13:33 Seattle — Houston
UA2135 United Airlines
4h 34m stop
18:45 — 19:52 Houston — San Antonio
UA1477 United Airlines
08:17 — 17:40
7h 23m flight time
Find flight
from$205
08:17 — 14:19 Seattle — Dallas
AS414 Alaska Airlines
2h 16m stop
16:40 — 17:48 Dallas — San Antonio
AS4653 Alaska Airlines
08:17 — 16:30
6h 13m flight time
Find flight
from$247
08:17 — 14:19 Seattle — Dallas
AS414 Alaska Airlines
1h 11m stop
15:30 — 16:30 Dallas — San Antonio
AS4014 Alaska Airlines
12:33 — 18:37
4h 4m flight time
Find flight
from$119
Seattle — San Antonio
HA6891 Hawaiian Airlines
13:40 — 21:46
6h 6m flight time
Find flight
from$207
13:40 — 19:36 Seattle — Dallas
AS549 Alaska Airlines
1h 6m stop
20:45 — 21:53 Dallas — San Antonio
AS4113 Alaska Airlines
14:24 — 23:59
7h 35m flight time
Find flight
from$166
14:24 — 18:15 Seattle — Denver
UA2859 United Airlines
2h 28m stop
20:43 — 23:59 Denver — San Antonio
UA1801 United Airlines
23:36 — 05:40+1day
4h 4m flight time
Find flight
from$144
Seattle — San Antonio
AS423 Alaska Airlines
Full flight schedule will help you in detecting at what time planes fly from Seattle to San Antonio. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on November 2, 2025.

Popular Airlines on the Route

The flight Seattle — San Antonio is served by 6 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 25 departures per week at the price of from $ 144 . And the most expensive tickets are offered by Hawaiian Airlines airline - from $ 2432.

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 $119.

  • AS - Alaska Airlines
    from $144
    Find
  • HA - Hawaiian Airlines
    from $119
    Find
See more direct flights

Connecting Flights

There are 85 flights with layovers on the route. The fastest connecting flight is HA6651 by Hawaiian Airlines takes 5h 44m and the cheapest is HA6891 by Hawaiian Airlines for $166.

  • AS - Alaska Airlines
    from $205
    Find
  • F9 - Frontier Airlines
    from $367
    Find
  • SY - Sun Country Airlines
    from $1253
    Find
  • HA - Hawaiian Airlines
    from $599
    Find
  • UA - United Airlines
    from $166
    Find
  • AM - Aeromexico
    from $471
    Find
See more connecting flights

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-BFI
    Find
  • Seattle-Tacoma Intl-SEA
    from $119
    Find
  • Kenmore Air Harbor SPB-LKE
    Find

San Antonio airports

  • Randolph AFB-RND
    Find
  • Martindale AAF-MDA
    Find
  • San Antonio-SAT
    Find
  • Kelly AFB-SKF
    Find
  • Stinson Municipal-SSF
    Find

How to book a plane ticket yourself?

How to book an air 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.

Back