Cheap Flights from Seattle, WA to San Antonio, TX from $79

One way Round trip

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On Cheapflightsplus.com you will find 2 direct and 267 connecting flights from Seattle to San Antonio. You can compare airfare deals from 7 airlines and multiple travel sites from $79, 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.

Find One-Way and Round-Trip Seattle to San Antonio 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: $79 (one-way), $135 (round-trip).

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Best Flights from Seattle to San Antonio Today

Take a look at the list of non stop flights and flights with layovers from Seattle to San Antonio with the lowest price of $79. The fastest direct flight takes 3h 45m and the fastest connecting – 5h 40m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $217 Find flight	23:45 Seattle Seattle-Tacoma Intl	05:30+1 день San Antonio San Antonio	3h 45m	Alaska Airlines	AS446
from $79 Find flight	22:08 Seattle Seattle-Tacoma Intl	08:19+1 день San Antonio San Antonio	8h 11m layover 3h 15m - Denver	Frontier Airlines	F91176 F92356
from $79 Find flight	15:15 Seattle Seattle-Tacoma Intl	12:02+1 день San Antonio San Antonio	18h 47m layover 13h 41m - Denver	Frontier Airlines	F93406 F92356
from $100 Find flight	09:57 Seattle Seattle-Tacoma Intl	19:30 San Antonio San Antonio	7h 33m layover 2h 13m - Las Vegas	Frontier Airlines	F94830 F93418
from $112 Find flight	17:28 Seattle Seattle-Tacoma Intl	04:59+1 день San Antonio San Antonio	9h 31m layover 4h 31m - Las Vegas	Spirit Airlines	NK204 NK1058
from $130 Find flight	06:00 Seattle Seattle-Tacoma Intl	21:26 San Antonio San Antonio	13h 26m layover 7h 48m - Los Angeles	Spirit Airlines	NK801 NK497
from $147 Find flight	19:45 Seattle Seattle-Tacoma Intl	04:59+1 день San Antonio San Antonio	7h 14m layover 2h 13m - Las Vegas	Spirit Airlines	NK414 NK1058
from $175 Find flight	11:36 Seattle Seattle-Tacoma Intl	17:47+1 день San Antonio San Antonio	28h 11m layover 22h 49m - Las Vegas	Frontier Airlines	F94204 F93418
from $195 Find flight	09:00 Seattle Seattle-Tacoma Intl	16:40 San Antonio San Antonio	5h 40m layover 0h 43m - Denver	United Airlines	UA1829 UA1022
from $195 Find flight	05:00 Seattle Seattle-Tacoma Intl	13:07 San Antonio San Antonio	6h 7m layover 1h 8m - Denver	United Airlines	UA757 UA1131
from $195 Find flight	15:20 Seattle Seattle-Tacoma Intl	23:38 San Antonio San Antonio	6h 18m layover 1h 21m - Denver	United Airlines	UA1476 UA2028
from $195 Find flight	23:59 Seattle Seattle-Tacoma Intl	08:28+1 день San Antonio San Antonio	6h 29m layover 1h 6m - Houston	United Airlines	UA2379 UA222
from $140 Find flight	16:00 Seattle Seattle-Tacoma Intl	10:09+1 день San Antonio San Antonio	16h 9m layover 5h 18m - Las Vegas 0h 45m - Orlando	Spirit Airlines	NK414 NK1853 NK446
from $189 Find flight	06:00 Seattle Seattle-Tacoma Intl	05:04+1 день San Antonio San Antonio	21h 4m layover 4h 54m - Los Angeles 9h 29m - Las Vegas	Spirit Airlines	NK801 NK1494 NK1058
from $194 Find flight	17:26 Seattle Seattle-Tacoma Intl	04:23+1 день San Antonio San Antonio	8h 57m layover 1h 24m - Los Angeles 0h 54m - Las Vegas	Spirit Airlines	NK261 NK313 NK1775
from $194 Find flight	17:26 Seattle Seattle-Tacoma Intl	12:57+1 день San Antonio San Antonio	17h 31m layover 1h 24m - Los Angeles 9h 27m - Las Vegas	Spirit Airlines	NK261 NK313 NK187

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on April 28, 2025

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

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	Flight Details	Flight Duration	Price
12:29 — 18:25	12:29 — 18:25 AS494 Alaska Airlines Seattle — San Antonio	3h 56m	Find flight from$227
23:45 — 05:30 +1 day	23:45 — 05:30 AS446 Alaska Airlines Seattle — San Antonio	3h 45m	Find flight from$217
05:00 — 13:07	05:00 — 08:47 UA757 United Airlines Seattle — Denver 1h 8m stop 09:55 — 13:07 UA1131 United Airlines Denver — San Antonio	6h 7m including layover	Find flight from$195
05:36 — 16:38	05:36 — 07:50 UA1954 United Airlines Seattle — San Francisco 3h 20m stop 11:10 — 16:38 UA1806 United Airlines San Francisco — San Antonio	9h 2m including layover	Find flight from$195
06:00 — 21:26	06:00 — 08:46 NK801 Spirit Airlines Seattle — Los Angeles 7h 48m stop 16:34 — 21:26 NK497 Spirit Airlines Los Angeles — San Antonio	13h 26m including layover	Find flight from$130
07:00 — 17:44	07:00 — 13:23 UA1788 United Airlines Seattle — Houston 3h 7m stop 16:30 — 17:44 UA6135 United Airlines Houston — San Antonio	8h 44m including layover	Find flight from$198
07:05 — 15:26	07:05 — 13:24 UA1788 United Airlines Seattle — Houston 56m stop 14:20 — 15:26 UA1524 United Airlines Houston — San Antonio	6h 21m including layover	Find flight from$197
09:00 — 16:40	08:30 — 12:14 UA1829 United Airlines Seattle — Denver 43m stop 13:41 — 16:54 UA1022 United Airlines Denver — San Antonio	5h 40m including layover	Find flight from$195
09:57 — 19:30	14:55 — 17:32 F94830 Frontier Airlines Seattle — Las Vegas 2h 13m stop 13:00 — 17:47 F93418 Frontier Airlines Las Vegas — San Antonio	7h 33m including layover	Find flight from$100
11:36 — 17:47 +1 day	11:36 — 14:11 F94204 Frontier Airlines Seattle — Las Vegas 22h 49m stop 13:00 — 17:47 F93418 Frontier Airlines Las Vegas — San Antonio	28h 11m including layover	Find flight from$175
12:32 — 23:49	12:32 — 14:51 UA1399 United Airlines Seattle — San Francisco 3h 34m stop 18:25 — 23:49 UA214 United Airlines San Francisco — San Antonio	9h 17m including layover	Find flight from$197
12:55 — 23:59	12:55 — 15:12 UA737 United Airlines Seattle — San Francisco 3h 13m stop 18:25 — 23:59 UA4669 United Airlines San Francisco — San Antonio	9h 4m including layover	Find flight from$195
13:55 — 23:59	13:55 — 16:12 UA1152 United Airlines Seattle — San Francisco 2h 13m stop 18:25 — 23:59 UA4669 United Airlines San Francisco — San Antonio	8h 4m including layover	Find flight from$195
13:59 — 23:14	13:59 — 20:20 UA1334 United Airlines Seattle — Houston 1h 45m stop 22:05 — 23:14 UA6158 United Airlines Houston — San Antonio	7h 15m including layover	Find flight from$198
14:00 — 23:13	14:00 — 20:23 UA690 United Airlines Seattle — Houston 1h 42m stop 22:05 — 23:13 UA5476 United Airlines Houston — San Antonio	7h 13m including layover	Find flight from$195
14:00 — 23:10	14:00 — 20:23 UA690 United Airlines Seattle — Houston 1h 42m stop 22:05 — 23:10 UA1645 United Airlines Houston — San Antonio	7h 10m including layover	Find flight from$197
15:15 — 12:02 +1 day	09:19 — 13:04 F93406 Frontier Airlines Seattle — Denver 13h 41m stop 07:10 — 10:29 F92356 Frontier Airlines Denver — San Antonio	18h 47m including layover	Find flight from$79
15:20 — 23:38	15:20 — 19:04 UA1476 United Airlines Seattle — Denver 1h 21m stop 20:25 — 23:38 UA2028 United Airlines Denver — San Antonio	6h 18m including layover	Find flight from$195
17:28 — 04:59 +1 day	17:28 — 19:55 NK204 Spirit Airlines Seattle — Las Vegas 4h 31m stop 00:26 — 04:59 NK1058 Spirit Airlines Las Vegas — San Antonio	9h 31m including layover	Find flight from$112
19:45 — 04:59 +1 day	19:45 — 22:13 NK414 Spirit Airlines Seattle — Las Vegas 2h 13m stop 00:26 — 04:59 NK1058 Spirit Airlines Las Vegas — San Antonio	7h 14m including layover	Find flight from$147
22:08 — 08:19 +1 day	20:28 — 00:14 F91176 Frontier Airlines Seattle — Denver 3h 15m stop 16:25 — 19:38 F92356 Frontier Airlines Denver — San Antonio	8h 11m including layover	Find flight from$79
23:59 — 08:28 +1 day	23:59 — 06:14 UA2379 United Airlines Seattle — Houston 1h 6m stop 07:20 — 08:28 UA222 United Airlines Houston — San Antonio	6h 29m including layover	Find flight from$195
23:59 — 11:18 +1 day	23:59 — 06:14 UA2379 United Airlines Seattle — Houston 3h 56m stop 10:10 — 11:18 UA1186 United Airlines Houston — San Antonio	9h 19m including layover	Find flight from$195
06:00 — 05:04 +1 day	06:00 — 08:46 NK801 Spirit Airlines Seattle — Los Angeles 4h 54m stop 13:40 — 15:01 NK1494 Spirit Airlines Los Angeles — Las Vegas 9h 29m stop 00:30 — 05:04 NK1058 Spirit Airlines Las Vegas — San Antonio	21h 4m including layover	Find flight from$189
08:44 — 23:10	08:44 — 11:01 UA1777 United Airlines Seattle — San Francisco 3h 56m stop 14:57 — 20:50 UA242 United Airlines San Francisco — Houston 1h 15m stop 22:05 — 23:10 UA1645 United Airlines Houston — San Antonio	12h 26m including layover	Find flight from$202
08:44 — 23:38	08:44 — 11:01 UA1777 United Airlines Seattle — San Francisco 1h 59m stop 13:00 — 16:40 UA1417 United Airlines San Francisco — Denver 3h 45m stop 20:25 — 23:38 UA2028 United Airlines Denver — San Antonio	12h 54m including layover	Find flight from$202
11:56 — 23:10	11:56 — 14:13 UA2848 United Airlines Seattle — San Francisco 44m stop 14:57 — 20:50 UA242 United Airlines San Francisco — Houston 1h 15m stop 22:05 — 23:10 UA1186 United Airlines Houston — San Antonio	9h 14m including layover	Find flight from$204
16:00 — 10:09 +1 day	16:00 — 18:31 NK414 Spirit Airlines Seattle — Las Vegas 5h 18m stop 23:49 — 07:15 NK1853 Spirit Airlines Las Vegas — Orlando 45m stop 08:00 — 10:09 NK446 Spirit Airlines Orlando — San Antonio	16h 9m including layover	Find flight from$140
17:28 — 17:46 +1 day	17:28 — 19:55 NK204 Spirit Airlines Seattle — Las Vegas 9h 35m stop 05:30 — 13:02 NK867 Spirit Airlines Las Vegas — Miami 2h 26m stop 15:28 — 17:46 NK955 Spirit Airlines Miami — San Antonio	22h 18m including layover	Find flight from$176
21:21 — 19:35 +1 day	21:21 — 23:50 NK1456 Spirit Airlines Seattle — Las Vegas 8h 33m stop 08:23 — 09:45 NK1723 Spirit Airlines Las Vegas — Los Angeles 5h 5m stop 14:50 — 19:35 NK497 Spirit Airlines Los Angeles — San Antonio	20h 14m including layover	Find flight from$209

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

*Departure and arrival times - local. Updated on April 28, 2025

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 3h 51m.

The fastest flight 3h 45m
Average flight time 3h 51m
The earliest flight 05:00
The latest flight 23:59
Distance 1774 ml

The cheapest months to travel to San Antonio are november (from 79 $), december (from 100 $), january (from 105 $).

The most expensive months are february (from 110 $), january (from 105 $), december (from 100 $).

What is the lowest airfare Seattle to San Antonio?

The cheapest plane ticket found by our users is $79. This airfare is for economy class on one-way F91176 flight by Frontier Airlines for February 21, 2025 which leaves Seattle-Tacoma Intl in Seattle at 22:08 am and arrives at San Antonio San Antonio at 08:19.

Economy class

$79

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Business class

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First class

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Popular Airlines on the Route

The flight Seattle — San Antonio is served by 7 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 61 departures per week at the price of from $ 208 . And the most expensive tickets are offered by Volaris airline - from $ 1049.

Direct flights

There are 2 nonstop flights on the route. The fastest direct flight is AS446 by Alaska Airlines takes 3h 45m and the cheapest is F91176 by Frontier Airlines for $217.

AS - Alaska Airlines

from $217

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Connecting Flights

There are 267 flights with layovers on the route. The fastest connecting flight is UA1829 by United Airlines takes 5h 40m and the cheapest is F91176 by Frontier Airlines for $79.

AS - Alaska Airlines

from $208

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F9 - Frontier Airlines

from $79

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SY - Sun Country Airlines

from $296

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Y4 - Volaris

from $438

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UA - United Airlines

from $195

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AM - Aeromexico

from $860

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NK - Spirit Airlines

from $112

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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

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Seattle-Tacoma Intl-SEA

from $79
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Kenmore Air Harbor SPB-LKE

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San Antonio airports

Randolph AFB-RND

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Martindale AAF-MDA

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San Antonio-SAT

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Kelly AFB-SKF

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Stinson Municipal-SSF

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Airplanes

There are flights to San Antonio from Seattle by 7 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Seattle

You may also consider searching for discounted plane tickets to some other popular places from Seattle within United States.

Seattle — Washington D.C.

from $78

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Seattle — Las Vegas

from $62

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Seattle — New York

from $180

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Seattle — Chicago

from $73

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Seattle — Phoenix

from $67

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Seattle — San Diego

from $74

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Seattle — Los Angeles

from $53

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Seattle — Denver

from $243

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Seattle — Dallas

from $72

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Seattle — Boston

from $63

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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.

Seattle — Tokyo

from $77

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Seattle — London

from $70

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Seattle — Vancouver

from $57

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Seattle — Cancun

from $63

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Seattle — Paris

from $66

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Seattle — Toronto

from $64

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Seattle — Calgary

from $76

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Seattle — Mumbai

from $80

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Seattle — Montreal

from $68

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Seattle — Amsterdam

from $64

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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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