Cheap Flights from Seattle, WA to San Antonio, TX from $144
On Cheapflightsplus.com you will find 1 direct and 61 connecting flights from Seattle to San Antonio. You can compare airfare deals from 6 airlines and multiple travel sites from $144, 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 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 4h 4m.
- The fastest flight 4h 4m
- Average flight time 4h 4m
- The earliest flight 05:00
- The latest flight 23:59
- Distance 1774 ml
Best Flights from Seattle to San Antonio Today
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $144 | 23:36 Seattle Seattle-Tacoma Intl | 05:40+1 день San Antonio San Antonio | 4h 4m | Alaska Airlines | AS423 |
| from $166 | 14:24 Seattle Seattle-Tacoma Intl | 23:59 San Antonio San Antonio | 7h 35m layover 2h 28m - Denver | United Airlines | UA2859 UA1801 |
| from $207 | 13:40 Seattle Seattle-Tacoma Intl | 21:46 San Antonio San Antonio | 6h 6m layover 1h 6m - Dallas | Alaska Airlines | AS549 AS4113 |
The cheapest months to travel to San Antonio are august (from 144 $), july (from 166 $), october (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 $144. This airfare is for economy class on one-way AS423 flight by Alaska Airlines for August 17, 2025 which leaves Seattle-Tacoma Intl in Seattle at 23:36 am and arrives at San Antonio San Antonio at 05:40.
Flight Schedule Seattle (Washington) to San Antonio (Texas)
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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 - 17 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 1 nonstop flights on the route. The fastest direct flight is AS423 by Alaska Airlines takes 4h 4m and the cheapest is AS423 by Alaska Airlines for $144.
- AS - Alaska Airlinesfrom $144Find
Connecting Flights
There are 61 flights with layovers on the route. The fastest connecting flight is HA6651 by Hawaiian Airlines takes 5h 44m and the cheapest is AS423 by Alaska Airlines for $166.
- AS - Alaska Airlinesfrom $207Find
- F9 - Frontier Airlinesfrom $367Find
- SY - Sun Country Airlinesfrom $1253Find
- HA - Hawaiian Airlinesfrom $599Find
- UA - United Airlinesfrom $166Find
- AM - Aeromexicofrom $509Find
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 $144Find
- 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»
- 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.
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