Cheap Flights from San Antonio, TX to Seattle, WA from $73

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On Cheapflightsplus.com you will find 2 direct and 231 connecting flights from San Antonio to Seattle. 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 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

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $73 (one-way), $125 (round-trip).

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Best Flights from San Antonio to Seattle Today

Take a look at the list of non stop flights and flights with layovers from San Antonio to Seattle with the lowest price of $73. The fastest direct flight takes 4h 30m and the fastest connecting – 6h 8m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $221 Find flight	15:03 San Antonio San Antonio	17:33 Seattle Seattle-Tacoma Intl	4h 30m	Alaska Airlines	AS494
from $455 Find flight	07:00 San Antonio San Antonio	09:31 Seattle Seattle-Tacoma Intl	4h 31m	Alaska Airlines	AS437
from $73 Find flight	12:07 San Antonio San Antonio	07:15+1 день Seattle Seattle-Tacoma Intl	21h 8m layover 15h 35m - Denver	Frontier Airlines	F92355 F91175
from $95 Find flight	20:20 San Antonio San Antonio	08:50+1 день Seattle Seattle-Tacoma Intl	14h 30m layover 8h 34m - Las Vegas	Frontier Airlines	F93417 F92407
from $146 Find flight	08:00 San Antonio San Antonio	00:10+1 день Seattle Seattle-Tacoma Intl	18h 10m layover 12h 0m - Los Angeles	Spirit Airlines	NK498 NK1490
from $171 Find flight	06:05 San Antonio San Antonio	16:23 Seattle Seattle-Tacoma Intl	12h 18m layover 6h 29m - Las Vegas	Spirit Airlines	NK1059 NK203
from $181 Find flight	05:30 San Antonio San Antonio	09:58 Seattle Seattle-Tacoma Intl	6h 28m layover 0h 57m - Denver	United Airlines	UA1481 UA1399
from $181 Find flight	13:20 San Antonio San Antonio	18:09 Seattle Seattle-Tacoma Intl	6h 49m layover 1h 22m - Denver	United Airlines	UA591 UA759
from $181 Find flight	07:35 San Antonio San Antonio	12:53 Seattle Seattle-Tacoma Intl	7h 18m layover 0h 50m - San Francisco	United Airlines	UA5958 UA2315
from $181 Find flight	16:50 San Antonio San Antonio	22:45 Seattle Seattle-Tacoma Intl	7h 55m layover 2h 30m - Denver	United Airlines	UA680 UA2651
from $181 Find flight	17:35 San Antonio San Antonio	23:44 Seattle Seattle-Tacoma Intl	8h 9m layover 1h 53m - San Francisco	United Airlines	UA1074 UA1971
from $181 Find flight	07:35 San Antonio San Antonio	15:18 Seattle Seattle-Tacoma Intl	9h 43m layover 3h 15m - San Francisco	United Airlines	UA5958 UA2650
from $182 Find flight	16:50 San Antonio San Antonio	21:11 Seattle Seattle-Tacoma Intl	6h 21m layover 0h 51m - Denver	United Airlines	UA1884 UA299
from $182 Find flight	13:18 San Antonio San Antonio	18:03 Seattle Seattle-Tacoma Intl	6h 45m layover 1h 19m - Denver	United Airlines	UA1299 UA745
from $174 Find flight	13:26 San Antonio San Antonio	23:10 Seattle Seattle-Tacoma Intl	11h 44m layover 1h 51m - Las Vegas 3h 3m - Los Angeles	Spirit Airlines	NK463 NK1495 NK804
from $174 Find flight	06:15 San Antonio San Antonio	23:10 Seattle Seattle-Tacoma Intl	18h 55m layover 9h 0m - Las Vegas 3h 3m - Los Angeles	Spirit Airlines	NK1059 NK1495 NK804

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on April 04, 2025

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

Full flight schedule will help you in detecting at what time planes fly from San Antonio to Seattle. 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	Flight Details	Flight Duration	Price
07:00 — 09:31	07:00 — 09:31 AS437 Alaska Airlines San Antonio — Seattle	4h 31m	Find flight from$455
15:03 — 17:33	15:03 — 17:33 AS494 Alaska Airlines San Antonio — Seattle	4h 30m	Find flight from$221
05:30 — 09:58	05:30 — 06:53 UA1481 United Airlines San Antonio — Denver 57m stop 07:50 — 09:58 UA1399 United Airlines Denver — Seattle	6h 28m including layover	Find flight from$181
05:30 — 12:53	05:30 — 06:40 UA6189 United Airlines San Antonio — Houston 3h 12m stop 09:52 — 12:53 UA2606 United Airlines Houston — Seattle	9h 23m including layover	Find flight from$185
06:05 — 16:23	06:05 — 07:04 NK1059 Spirit Airlines San Antonio — Las Vegas 6h 29m stop 13:33 — 16:23 NK203 Spirit Airlines Las Vegas — Seattle	12h 18m including layover	Find flight from$171
07:35 — 12:53	07:35 — 09:45 UA5958 United Airlines San Antonio — San Francisco 50m stop 10:35 — 12:53 UA2315 United Airlines San Francisco — Seattle	7h 18m including layover	Find flight from$181
07:35 — 15:18	07:35 — 09:45 UA5958 United Airlines San Antonio — San Francisco 3h 15m stop 13:00 — 15:18 UA2650 United Airlines San Francisco — Seattle	9h 43m including layover	Find flight from$181
08:00 — 00:10 +1 day	08:00 — 09:25 NK498 Spirit Airlines San Antonio — Los Angeles 12h stop 21:25 — 00:10 NK1490 Spirit Airlines Los Angeles — Seattle	18h 10m including layover	Find flight from$146
11:04 — 20:26	11:04 — 12:02 NK448 Spirit Airlines San Antonio — Las Vegas 5h 34m stop 17:36 — 20:26 NK1455 Spirit Airlines Las Vegas — Seattle	11h 22m including layover	Find flight from$196
12:07 — 07:15 +1 day	12:07 — 13:29 F92355 Frontier Airlines San Antonio — Denver 15h 35m stop 05:04 — 07:15 F91175 Frontier Airlines Denver — Seattle	21h 8m including layover	Find flight from$73
12:07 — 19:27	12:07 — 13:29 F92355 Frontier Airlines San Antonio — Denver 3h 48m stop 17:17 — 19:27 F93405 Frontier Airlines Denver — Seattle	9h 20m including layover	Find flight from$155
13:20 — 18:09	13:20 — 14:42 UA591 United Airlines San Antonio — Denver 1h 22m stop 16:04 — 18:09 UA759 United Airlines Denver — Seattle	6h 49m including layover	Find flight from$181
16:50 — 22:45	16:57 — 18:19 UA680 United Airlines San Antonio — Denver 2h 30m stop 21:05 — 23:11 UA2651 United Airlines Denver — Seattle	7h 55m including layover	Find flight from$181
16:50 — 21:11	16:50 — 18:14 UA1884 United Airlines San Antonio — Denver 51m stop 19:05 — 21:11 UA299 United Airlines Denver — Seattle	6h 21m including layover	Find flight from$182
17:35 — 23:44	17:35 — 19:36 UA1074 United Airlines San Antonio — San Francisco 1h 53m stop 21:29 — 23:44 UA1971 United Airlines San Francisco — Seattle	8h 9m including layover	Find flight from$181
17:57 — 22:58	17:48 — 18:55 UA465 United Airlines San Antonio — Houston 56m stop 19:59 — 23:00 UA2456 United Airlines Houston — Seattle	7h 1m including layover	Find flight from$182
20:20 — 08:50 +1 day	18:48 — 19:48 F93417 Frontier Airlines San Antonio — Las Vegas 8h 34m stop 15:32 — 18:26 F92407 Frontier Airlines Las Vegas — Seattle	14h 30m including layover	Find flight from$95
06:15 — 23:10	06:15 — 06:59 NK1059 Spirit Airlines San Antonio — Las Vegas 9h stop 15:59 — 17:19 NK1495 Spirit Airlines Las Vegas — Los Angeles 3h 3m stop 20:22 — 23:10 NK804 Spirit Airlines Los Angeles — Seattle	18h 55m including layover	Find flight from$174
08:00 — 20:26	08:00 — 09:25 NK498 Spirit Airlines San Antonio — Los Angeles 1h 24m stop 10:49 — 12:04 NK1724 Spirit Airlines Los Angeles — Las Vegas 5h 32m stop 17:36 — 20:26 NK1455 Spirit Airlines Las Vegas — Seattle	14h 26m including layover	Find flight from$172
09:40 — 18:52	09:40 — 10:47 UA2105 United Airlines San Antonio — Houston 1h 30m stop 12:17 — 14:50 UA1057 United Airlines Houston — San Francisco 1h 42m stop 16:32 — 18:52 UA2603 United Airlines San Francisco — Seattle	11h 12m including layover	Find flight from$190
09:40 — 21:20	09:40 — 10:47 UA2105 United Airlines San Antonio — Houston 3h 53m stop 14:40 — 17:13 UA1385 United Airlines Houston — San Francisco 1h 47m stop 19:00 — 21:20 UA2019 United Airlines San Francisco — Seattle	13h 40m including layover	Find flight from$190
13:26 — 23:10	13:26 — 14:08 NK463 Spirit Airlines San Antonio — Las Vegas 1h 51m stop 15:59 — 17:19 NK1495 Spirit Airlines Las Vegas — Los Angeles 3h 3m stop 20:22 — 23:10 NK804 Spirit Airlines Los Angeles — Seattle	11h 44m including layover	Find flight from$174
14:13 — 22:30	14:13 — 15:16 UA2657 United Airlines San Antonio — Houston 1h 7m stop 16:23 — 18:10 UA1743 United Airlines Houston — Los Angeles 1h 20m stop 19:30 — 22:30 UA684 United Airlines Los Angeles — Seattle	10h 17m including layover	Find flight from$187
14:13 — 23:44	14:13 — 15:16 UA2657 United Airlines San Antonio — Houston 3h 13m stop 18:29 — 20:51 UA1349 United Airlines Houston — San Francisco 38m stop 21:29 — 23:44 UA1971 United Airlines San Francisco — Seattle	11h 31m including layover	Find flight from$187

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on April 4, 2025

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 22:19 from 5 San Antonio airports and arrive 05:00 to 22:19 to 3 Seattle airports. Average flight time is 4h 31m.

The fastest flight 4h 30m
Average flight time 4h 31m
The earliest flight 05:00
The latest flight 22:19
Distance 1774 ml

The cheapest months to travel to Seattle are november (from 73 $), january (from 97 $), december (from 146 $).

The most expensive months are february (from 174 $), december (from 146 $), january (from 97 $).

What is the lowest airfare San Antonio to Seattle?

The cheapest plane ticket found by our users is $73. This airfare is for economy class on one-way F92355 flight by Frontier Airlines for November 12, 2024 which leaves San Antonio in San Antonio at 12:07 am and arrives at Seattle Seattle-Tacoma Intl at 07:15.

Economy class

$73

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Business class

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First class

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Popular Airlines on the Route

The flight San Antonio — Seattle is served by 7 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 53 departures per week at the price of from $ 192 . And the most expensive tickets are offered by Aeromexico airline - from $ 3008.

Direct flights

There are 2 nonstop flights on the route. The fastest direct flight is AS494 by Alaska Airlines takes 4h 30m and the cheapest is F92355 by Frontier Airlines for $221.

AS - Alaska Airlines

from $221

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Connecting Flights

There are 231 flights with layovers on the route. The fastest connecting flight is UA680 by United Airlines takes 6h 8m and the cheapest is F92355 by Frontier Airlines for $73.

AS - Alaska Airlines

from $192

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F9 - Frontier Airlines

from $73

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Y4 - Volaris

from $354

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UA - United Airlines

from $181

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VB - VivaAerobus

from $393

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AM - Aeromexico

from $796

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NK - Spirit Airlines

from $146

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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-RND

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Martindale AAF-MDA

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San Antonio-SAT

from $73
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Kelly AFB-SKF

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Stinson Municipal-SSF

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Seattle airports

Boeing Field International Airport-BFI

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Seattle-Tacoma Intl-SEA

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Kenmore Air Harbor SPB-LKE

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Airplanes

There are flights to Seattle from San Antonio by 7 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.

San Antonio — Las Vegas

from $55

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San Antonio — Dallas

from $75

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San Antonio — New York

from $74

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San Antonio — Chicago

from $73

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San Antonio — Denver

from $80

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San Antonio — Seattle

from $67

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San Antonio — Houston

from $63

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San Antonio — Miami

from $70

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San Antonio — Los Angeles

from $57

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San Antonio — Atlanta

from $60

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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.

San Antonio — Cancun

from $79

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San Antonio — Mexico City

from $73

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San Antonio — Guadalajara

from $65

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San Antonio — Toronto

from $61

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San Antonio — Vancouver

from $75

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San Antonio — Puerto Vallarta

from $54

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San Antonio — San Juan

from $76

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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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