Cheap Flights from San Antonio, TX to Seattle, WA from $120

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On Cheapflightsplus.com you will find 5 direct and 153 connecting flights from San Antonio to Seattle. You can compare airfare deals from 6 airlines and multiple travel sites from $120, 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: $120 (one-way), $206 (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 $120. The fastest direct flight takes 4h 16m and the fastest connecting – 6h 6m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $125 Find flight	19:37 San Antonio San Antonio	21:53 Seattle Seattle-Tacoma Intl	4h 16m	Hawaiian Airlines	HA6561
from $128 Find flight	19:44 San Antonio San Antonio	22:05 Seattle Seattle-Tacoma Intl	4h 21m	Alaska Airlines	AS404
from $130 Find flight	19:37 San Antonio San Antonio	21:53 Seattle Seattle-Tacoma Intl	4h 16m	Alaska Airlines	AS494
from $130 Find flight	07:00 San Antonio San Antonio	09:24 Seattle Seattle-Tacoma Intl	4h 24m	Alaska Airlines	AS495
from $147 Find flight	19:37 San Antonio San Antonio	21:53 Seattle Seattle-Tacoma Intl	4h 16m	Hawaiian Airlines	HA6517
from $120 Find flight	14:55 San Antonio San Antonio	20:44 Seattle Seattle-Tacoma Intl	7h 49m layover 2h 9m - Denver	Frontier Airlines	F92355 F94545
from $134 Find flight	18:59 San Antonio San Antonio	23:42 Seattle Seattle-Tacoma Intl	6h 43m layover 1h 11m - Denver	Frontier Airlines	F92097 F94545
from $152 Find flight	06:00 San Antonio San Antonio	15:53 Seattle Seattle-Tacoma Intl	11h 53m layover 6h 26m - Las Vegas	Spirit Airlines	NK1059 NK781
from $174 Find flight	09:00 San Antonio San Antonio	13:28 Seattle Seattle-Tacoma Intl	6h 28m layover 1h 10m - Denver	United Airlines	UA2853 UA690
from $174 Find flight	16:37 San Antonio San Antonio	21:22 Seattle Seattle-Tacoma Intl	6h 45m layover 1h 18m - Denver	United Airlines	UA2022 UA1729
from $174 Find flight	16:22 San Antonio San Antonio	21:16 Seattle Seattle-Tacoma Intl	6h 54m layover 1h 5m - Houston	United Airlines	UA2157 UA1544
from $174 Find flight	14:20 San Antonio San Antonio	19:18 Seattle Seattle-Tacoma Intl	6h 58m layover 1h 4m - Houston	United Airlines	UA2498 UA2084
from $174 Find flight	18:08 San Antonio San Antonio	23:09 Seattle Seattle-Tacoma Intl	7h 1m layover 0h 45m - San Francisco	United Airlines	UA5699 UA1577
from $174 Find flight	17:56 San Antonio San Antonio	23:17 Seattle Seattle-Tacoma Intl	7h 21m layover 1h 25m - Houston	United Airlines	UA2078 UA2456
from $159 Find flight	14:50 San Antonio San Antonio	15:53+1 день Seattle Seattle-Tacoma Intl	27h 3m layover 4h 28m - Los Angeles 15h 17m - Las Vegas	Spirit Airlines	NK849 NK473 NK781
from $179 Find flight	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

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on July 15, 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 — 09:24	07:00 — 09:24 AS495 Alaska Airlines San Antonio — Seattle	4h 24m	Find flight from$130
19:37 — 21:53	19:37 — 21:53 HA6561 Hawaiian Airlines San Antonio — Seattle	4h 16m	Find flight from$125
19:37 — 21:53	19:37 — 21:53 AS494 Alaska Airlines San Antonio — Seattle	4h 16m	Find flight from$130
19:37 — 21:53	19:37 — 21:53 HA6517 Hawaiian Airlines San Antonio — Seattle	4h 16m	Find flight from$147
19:44 — 22:05	19:44 — 22:05 AS404 Alaska Airlines San Antonio — Seattle	4h 21m	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$174
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$176
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$152
06:12 — 13:21	06:12 — 07:27 AS4328 Alaska Airlines San Antonio — Dallas 3h 33m stop 11:00 — 13:21 AS543 Alaska Airlines Dallas — Seattle	9h 9m including layover	Find flight from$193
07:45 — 14:19	07:45 — 09:34 UA1245 United Airlines San Antonio — San Francisco 2h 31m stop 12:05 — 14:19 UA433 United Airlines San Francisco — Seattle	8h 34m including layover	Find flight from$174
08:03 — 13:21	08:00 — 09:16 AS4387 Alaska Airlines San Antonio — Dallas 1h 43m stop 13:00 — 15:15 AS543 Alaska Airlines Dallas — Seattle	7h 18m including layover	Find flight from$193
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$174
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$174
11:16 — 17:31	10:02 — 11:20 AS6683 Alaska Airlines San Antonio — Dallas 2h 36m stop 15:19 — 17:34 AS415 Alaska Airlines Dallas — Seattle	8h 15m including layover	Find flight from$195
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$174
12:31 — 17:32	12:31 — 13:45 AS4622 Alaska Airlines San Antonio — Dallas 1h 27m stop 15:12 — 17:32 AS415 Alaska Airlines Dallas — Seattle	7h 1m including layover	Find flight from$193
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$176
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$176
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$120
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$174
16:37 — 21:22	16:37 — 18:07 UA2022 United Airlines San Antonio — Denver 1h 18m stop 19:25 — 21:22 UA1729 United Airlines Denver — Seattle	6h 45m including layover	Find flight from$174
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$174
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$176
18:08 — 23:09	18:08 — 20:10 UA5699 United Airlines San Antonio — San Francisco 45m stop 20:55 — 23:09 UA1577 United Airlines San Francisco — Seattle	7h 1m including layover	Find flight from$174
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$134
14:50 — 15:53 +1 day	14:50 — 16:02 NK849 Spirit Airlines San Antonio — Los Angeles 4h 28m stop 20:30 — 21:53 NK473 Spirit Airlines Los Angeles — Las Vegas 15h 17m stop 13:10 — 15:53 NK781 Spirit Airlines Las Vegas — Seattle	27h 3m including layover	Find flight from$159

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

*Departure and arrival times - local. Updated on July 15, 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 19:44 from 5 San Antonio airports and arrive 05:00 to 19:44 to 3 Seattle airports. Average flight time is 4h 16m.

The fastest flight 4h 16m
Average flight time 4h 16m
The earliest flight 05:00
The latest flight 19:44
Distance 1774 ml

The cheapest months to travel to Seattle are september (from 120 $), july (from 121 $), august (from 125 $).

The most expensive months are december (from 348 $), february (from 246 $), january (from 240 $).

What is the lowest airfare San Antonio to Seattle?

The cheapest plane ticket found by our users is $120. 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.

Economy class

$120

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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 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 40 departures per week at the price of from $ 128 . And the most expensive tickets are offered by United Airlines airline - from $ 728.

Direct flights

There are 5 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 $125.

AS - Alaska Airlines

from $128

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HA - Hawaiian Airlines

from $125

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Connecting Flights

There are 153 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 $120.

AS - Alaska Airlines

from $193

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F9 - Frontier Airlines

from $120

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SY - Sun Country Airlines

from $218

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UA - United Airlines

from $174

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NK - Spirit Airlines

from $152

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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 $120
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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 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.

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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