Cheap Flights from Seattle, WA to San Antonio, TX from $126

One way Round trip

Adults

Children under 12

Infants under 2 without place

Economy

Business

First

done

Return flight: San Antonio – Seattle

Page navigation

Price Calendar Cheap Flights Flights Schedule

On Cheapflightsplus.com you will find 2 direct and 59 connecting flights from Seattle to San Antonio. You can compare airfare deals from 5 airlines and multiple travel sites from $126, 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: $126 (one-way), $216 (round-trip).

Direct flights

Check to choose departure date Check to choose departure date

Check prices for return flight

Find flights

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 $126. The fastest direct flight takes 4h 4m and the fastest connecting – 5h 47m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $126 Find flight	12:33 Seattle Seattle-Tacoma Intl	18:37 San Antonio San Antonio	4h 4m	Hawaiian Airlines	HA6891
from $148 Find flight	23:36 Seattle Seattle-Tacoma Intl	05:40+1 день San Antonio San Antonio	4h 4m	Alaska Airlines	AS423
from $140 Find flight	06:25 Seattle Seattle-Tacoma Intl	19:13 San Antonio San Antonio	10h 48m layover 5h 41m - Denver	Frontier Airlines	F93406 F92098
from $176 Find flight	05:00 Seattle Seattle-Tacoma Intl	13:19 San Antonio San Antonio	6h 19m layover 0h 51m - Houston	United Airlines	UA1668 UA6017
from $177 Find flight	14:24 Seattle Seattle-Tacoma Intl	23:59 San Antonio San Antonio	7h 35m layover 2h 28m - Denver	United Airlines	UA2859 UA1801
from $177 Find flight	07:10 Seattle Seattle-Tacoma Intl	17:42 San Antonio San Antonio	8h 32m layover 3h 4m - Houston	United Airlines	UA2135 UA636
from $217 Find flight	08:17 Seattle Seattle-Tacoma Intl	17:40 San Antonio San Antonio	7h 23m layover 2h 16m - Dallas	Alaska Airlines	AS414 AS4653
from $218 Find flight	13:40 Seattle Seattle-Tacoma Intl	21:46 San Antonio San Antonio	6h 6m layover 1h 6m - Dallas	Alaska Airlines	AS549 AS4113
from $218 Find flight	06:00 Seattle Seattle-Tacoma Intl	14:14 San Antonio San Antonio	6h 14m layover 1h 9m - Dallas	Alaska Airlines	AS491 AS6304
from $228 Find flight	05:00 Seattle Seattle-Tacoma Intl	12:47 San Antonio San Antonio	5h 47m layover 0h 57m - Denver	United Airlines	UA2269 UA1131
from $258 Find flight	17:15 Seattle Seattle-Tacoma Intl	08:50+1 день San Antonio San Antonio	13h 35m layover 8h 8m - Houston	United Airlines	UA485 UA491
from $258 Find flight	17:15 Seattle Seattle-Tacoma Intl	17:42+1 день San Antonio San Antonio	22h 27m layover 17h 0m - Houston	United Airlines	UA485 UA636
from $261 Find flight	06:00 Seattle Seattle-Tacoma Intl	16:30 San Antonio San Antonio	8h 30m layover 3h 30m - Dallas	Alaska Airlines	AS491 AS4014
from $267 Find flight	07:10 Seattle Seattle-Tacoma Intl	19:12 San Antonio San Antonio	10h 2m layover 4h 34m - Houston	United Airlines	UA2135 UA1477
from $273 Find flight	06:00 Seattle Seattle-Tacoma Intl	15:31 San Antonio San Antonio	7h 31m layover 2h 31m - Dallas	Alaska Airlines	AS491 AS4266
from $277 Find flight	08:57 Seattle Seattle-Tacoma Intl	17:00 San Antonio San Antonio	6h 3m layover 1h 3m - Denver	United Airlines	UA347 UA1022

Show all tickets

*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on July 30, 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
12:33 — 18:37	12:33 — 18:37 HA6891 Hawaiian Airlines Seattle — San Antonio	4h 4m	Find flight from$126
23:36 — 05:40 +1 day	23:36 — 05:40 AS423 Alaska Airlines Seattle — San Antonio	4h 4m	Find flight from$148
00:20 — 11:45	00:20 — 06:28 UA1832 United Airlines Seattle — Chicago 2h 17m stop 08:45 — 11:45 UA490 United Airlines Chicago — San Antonio	9h 25m including layover	Find flight from$677
05:00 — 13:19	05:00 — 11:19 UA1668 United Airlines Seattle — Houston 51m stop 12:10 — 13:19 UA6017 United Airlines Houston — San Antonio	6h 19m including layover	Find flight from$176
05:00 — 15:32	05:00 — 11:19 UA1668 United Airlines Seattle — Houston 3h 6m stop 14:25 — 15:32 UA6058 United Airlines Houston — San Antonio	8h 32m including layover	Find flight from$177
06:00 — 14:14	06:00 — 12:00 AS491 Alaska Airlines Seattle — Dallas 1h 9m stop 13:09 — 14:14 AS6304 Alaska Airlines Dallas — San Antonio	6h 14m including layover	Find flight from$218
06:25 — 19:13	06:25 — 10:14 F93406 Frontier Airlines Seattle — Denver 5h 41m stop 15:55 — 19:13 F92098 Frontier Airlines Denver — San Antonio	10h 48m including layover	Find flight from$140
07:10 — 17:42	07:10 — 13:39 UA2135 United Airlines Seattle — Houston 3h 4m stop 16:35 — 17:42 UA636 United Airlines Houston — San Antonio	8h 32m including layover	Find flight from$177
07:10 — 19:12	07:05 — 13:33 UA2135 United Airlines Seattle — Houston 4h 34m stop 18:45 — 19:52 UA1477 United Airlines Houston — San Antonio	10h 2m including layover	Find flight from$267
08:17 — 17:40	08:17 — 14:19 AS414 Alaska Airlines Seattle — Dallas 2h 16m stop 16:40 — 17:48 AS4653 Alaska Airlines Dallas — San Antonio	7h 23m including layover	Find flight from$217
08:17 — 16:30	08:17 — 14:19 AS414 Alaska Airlines Seattle — Dallas 1h 11m stop 15:30 — 16:30 AS4014 Alaska Airlines Dallas — San Antonio	6h 13m including layover	Find flight from$261
09:50 — 19:46	09:50 — 15:48 AS426 Alaska Airlines Seattle — Dallas 2h 55m stop 18:43 — 19:46 AS6612 Alaska Airlines Dallas — San Antonio	7h 56m including layover	Find flight from$617
10:50 — 21:39	10:50 — 16:57 AS429 Alaska Airlines Seattle — Chicago 1h 43m stop 18:40 — 21:39 AS4233 Alaska Airlines Chicago — San Antonio	8h 49m including layover	Find flight from$1348
11:11 — 23:59	11:11 — 14:58 UA1969 United Airlines Seattle — Denver 5h 45m stop 20:43 — 23:59 UA1801 United Airlines Denver — San Antonio	10h 48m including layover	Find flight from$405
11:57 — 22:59	11:57 — 18:25 UA787 United Airlines Seattle — Houston 3h 30m stop 21:55 — 22:59 UA1475 United Airlines Houston — San Antonio	9h 2m including layover	Find flight from$507
12:00 — 23:00	12:00 — 14:54 AS1144 Alaska Airlines Seattle — Los Angeles 3h 3m stop 17:57 — 23:00 AS6792 Alaska Airlines Los Angeles — San Antonio	9h including layover	Find flight from$510
13:35 — 23:57	13:35 — 16:29 AS700 Alaska Airlines Seattle — Phoenix 3h 16m stop 19:45 — 23:57 AS4116 Alaska Airlines Phoenix — San Antonio	8h 22m including layover	Find flight from$620
13:40 — 21:46	13:40 — 19:36 AS549 Alaska Airlines Seattle — Dallas 1h 6m stop 20:45 — 21:53 AS4113 Alaska Airlines Dallas — San Antonio	6h 6m including layover	Find flight from$218
14:24 — 23:59	14:24 — 18:15 UA2859 United Airlines Seattle — Denver 2h 28m stop 20:43 — 23:59 UA1801 United Airlines Denver — San Antonio	7h 35m including layover	Find flight from$177
14:57 — 23:59	14:57 — 18:48 UA1747 United Airlines Seattle — Denver 1h 55m stop 20:43 — 23:59 UA1801 United Airlines Denver — San Antonio	7h 2m including layover	Find flight from$409
15:49 — 23:59	15:49 — 19:32 HA6650 Hawaiian Airlines Seattle — Denver 1h 11m stop 20:43 — 23:59 UA1801 United Airlines Denver — San Antonio	6h 10m including layover	Find flight from$659
17:15 — 08:50 +1 day	17:15 — 23:35 UA485 United Airlines Seattle — Houston 8h 8m stop 07:43 — 08:50 UA491 United Airlines Houston — San Antonio	13h 35m including layover	Find flight from$258
17:15 — 17:42 +1 day	17:15 — 23:35 UA485 United Airlines Seattle — Houston 17h stop 16:35 — 17:42 UA636 United Airlines Houston — San Antonio	22h 27m including layover	Find flight from$258
23:58 — 08:50 +1 day	23:58 — 06:16 UA2379 United Airlines Seattle — Houston 1h 27m stop 07:43 — 08:50 UA491 United Airlines Houston — San Antonio	6h 52m including layover	Find flight from$313
18:16 — 19:23 +1 day	18:16 — 23:33 SY286 Sun Country Airlines Seattle — Minneapolis 6h 33m stop 06:06 — 07:56 SY421 Sun Country Airlines Minneapolis — Los Angeles 6h 30m stop 14:26 — 19:23 NK1273 Spirit Airlines Los Angeles — San Antonio	23h 7m including layover	Find flight from$394

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

*Departure and arrival times - local. Updated on July 30, 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 00:20 to 23:59 from 3 Seattle airports and arrive 00:20 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 00:20
The latest flight 23:59
Distance 1774 ml

The cheapest months to travel to San Antonio are august (from 126 $), july (from 175 $), may (from 187 $).

The most expensive months are february (from 288 $), december (from 277 $), june (from 207 $).

What is the lowest airfare Seattle to San Antonio?

The cheapest plane ticket found by our users is $126. This airfare is for economy class on one-way HA6891 flight by Hawaiian Airlines for August 16, 2025 which leaves Seattle-Tacoma Intl in Seattle at 12:33 am and arrives at San Antonio San Antonio at 18:37.

Economy class

$126

Find

Business class

Find

First class

Find

Popular Airlines on the Route

The flight Seattle — San Antonio is served by 5 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 13 departures per week at the price of from $ 148 . And the most expensive tickets are offered by United Airlines airline - from $ 1906.

Direct flights

There are 2 nonstop flights on the route. The fastest direct flight is HA6891 by Hawaiian Airlines takes 4h 4m and the cheapest is HA6891 by Hawaiian Airlines for $126.

AS - Alaska Airlines

from $148

Find
HA - Hawaiian Airlines

from $126

Find

See more direct flights

Connecting Flights

There are 59 flights with layovers on the route. The fastest connecting flight is UA2269 by United Airlines takes 5h 47m and the cheapest is HA6891 by Hawaiian Airlines for $140.

AS - Alaska Airlines

from $217

Find
F9 - Frontier Airlines

from $140

Find
SY - Sun Country Airlines

from $328

Find
HA - Hawaiian Airlines

from $625

Find
UA - United Airlines

from $176

Find

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

Find
Seattle-Tacoma Intl-SEA

from $126
Find
Kenmore Air Harbor SPB-LKE

Find

San Antonio airports

Randolph AFB-RND

Find
Martindale AAF-MDA

Find
San Antonio-SAT

Find
Kelly AFB-SKF

Find
Stinson Municipal-SSF

Find

Airplanes

There are flights to San Antonio from Seattle by 5 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

Find
Seattle — Las Vegas

from $62

Find
Seattle — New York

from $180

Find
Seattle — Chicago

from $73

Find
Seattle — Phoenix

from $67

Find
Seattle — San Diego

from $74

Find
Seattle — Los Angeles

from $53

Find
Seattle — Denver

from $243

Find
Seattle — Dallas

from $72

Find
Seattle — Boston

from $63

Find

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

Find
Seattle — London

from $70

Find
Seattle — Vancouver

from $57

Find
Seattle — Cancun

from $63

Find
Seattle — Paris

from $66

Find
Seattle — Toronto

from $64

Find
Seattle — Calgary

from $76

Find
Seattle — Mumbai

from $80

Find
Seattle — Montreal

from $68

Find
Seattle — Amsterdam

from $64

Find

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.
To find a plane ticket, please select dates.