Cheap Flights from San Antonio, TX to Seattle, WA from $114
On Cheapflightsplus.com you will find 7 direct and 365 connecting flights from San Antonio to Seattle. You can compare airfare deals from 6 airlines and multiple travel sites from $114, 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.
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
Best Flights from San Antonio to Seattle Today
Price | Departure | Arrival | Flight Duration | Airline | Flight |
---|---|---|---|---|---|
from $119 | 19:37 San Antonio San Antonio | 21:53 Seattle Seattle-Tacoma Intl | 4h 16m | Hawaiian Airlines | HA6561 |
from $122 | 19:44 San Antonio San Antonio | 22:05 Seattle Seattle-Tacoma Intl | 4h 21m | Alaska Airlines | AS404 |
from $140 | 19:37 San Antonio San Antonio | 21:53 Seattle Seattle-Tacoma Intl | 4h 16m | Hawaiian Airlines | HA6517 |
from $114 | 14:55 San Antonio San Antonio | 20:44 Seattle Seattle-Tacoma Intl | 7h 49m layover 2h 9m - Denver | Frontier Airlines | F92355 F94545 |
from $145 | 06:00 San Antonio San Antonio | 15:53 Seattle Seattle-Tacoma Intl | 11h 53m layover 6h 26m - Las Vegas | Spirit Airlines | NK1059 NK781 |
from $133 | 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 $170 | 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 |
The cheapest months to travel to Seattle are september (from 114 $), july (from 115 $), august (from 119 $).
The most expensive months are december (from 331 $), february (from 234 $), january (from 228 $).
What is the lowest airfare San Antonio to Seattle?
The cheapest plane ticket found by our users is $114. 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.
Flight Schedule San Antonio (Texas) to Seattle (Washington)
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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 - 71 departures per week at the price of from $ 122 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 779.
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 $119.
- AS - Alaska Airlinesfrom $122Find
- HA - Hawaiian Airlinesfrom $119Find
Connecting Flights
There are 365 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 $114.
- AS - Alaska Airlinesfrom $183Find
- F9 - Frontier Airlinesfrom $114Find
- SY - Sun Country Airlinesfrom $154Find
- UA - United Airlinesfrom $165Find
- NK - Spirit Airlinesfrom $133Find
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 $114Find
- 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.
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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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