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Cheap flights from Seattle to San Antonio from $85

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to San Antonio departing on 12/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seattle to San Antonio

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to San Antonio that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to San Antonio.

Cheap last minute flights

Planning a quick getaway from Seattle to San Antonio? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to San Antonio, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to San Antonio

Find recent round-trip train or bus tickets from Seattle to San Antonio.

All round-trip flight deals to San Antonio

The cheapest plane tickets to San Antonio found on KAYAK recently.
1:40 pm - 7:30 pmSEA-SAT
27h 50m1 stop
8:20 pm - 8:57 amSAT-SEA
14h 37m1 stop
$169Frontier
Find Deal
Thu, Dec 12 - Sun, Dec 15
1:40 pm - 7:30 pmSEA-SAT
27h 50m1 stop
1:02 pm - 1:10 pmSAT-SEA
26h 08m1 stop
$175Frontier
Find Deal
Thu, Dec 12 - Mon, Dec 16
2:00 pm - 11:45 pmSEA-SAT
7h 45m1 stop
7:25 pm - 12:50 amSAT-SEA
7h 25m1 stop
$196Delta
Find Deal
Thu, Jan 9 - Sun, Jan 12
7:00 am - 6:50 pmSEA-SAT
9h 50m1 stop
5:48 pm - 11:00 pmSAT-SEA
7h 12m1 stop
$202United Airlines
Find Deal
Sat, Feb 1 - Fri, Feb 7
11:59 pm - 8:29 amSEA-SAT
6h 30m1 stop
6:31 am - 1:06 pmSAT-SEA
8h 35m1 stop
$206American Airlines
Find Deal
Sun, Jan 5 - Sun, Jan 12
11:59 pm - 8:29 amSEA-SAT
6h 30m1 stop
8:31 pm - 1:06 amSAT-SEA
6h 35m1 stop
$207American Airlines
Find Deal
Sun, Jan 5 - Sun, Jan 12
12:00 pm - 9:57 pmSEA-SAT
7h 57m1 stop
7:00 am - 3:00 pmSAT-SEA
10h 00m1 stop
$216Delta
Find Deal
Thu, Jan 9 - Mon, Jan 13
7:59 am - 2:07 pmSEA-SAT
4h 08mnonstop
3:03 pm - 5:33 pmSAT-SEA
4h 30mnonstop
$217Alaska Airlines
Find Deal
Sat, Mar 1 - Wed, Mar 5
6:15 am - 5:44 pmSEA-SAT
9h 29m2 stops
5:48 pm - 11:00 pmSAT-SEA
7h 12m1 stop
$221United Airlines
Find Deal
Sat, Feb 1 - Fri, Feb 7
8:01 am - 2:07 pmSEA-SAT
4h 06mnonstop
3:03 pm - 5:40 pmSAT-SEA
4h 37mnonstop
$227Alaska Airlines
Find Deal
Tue, Feb 4 - Mon, Feb 10
9:57 am - 7:30 pmSEA-SAT
7h 33m1 stop
$85Frontier
Find Deal
Fri, Dec 13
9:36 pm - 8:44 pmSEA-SAT
21h 08m1 stop
$93Frontier
Find Deal
Tue, Dec 24
7:00 am - 6:50 pmSEA-SAT
9h 50m1 stop
$94United Airlines
Find Deal
Thu, Jan 9
5:20 pm - 1:05 amSEA-SAT
5h 45m1 stop
$98Delta
Find Deal
Tue, Dec 10
11:59 pm - 8:29 amSEA-SAT
6h 30m1 stop
$108American Airlines
Find Deal
Sun, Jan 5
6:10 am - 5:44 pmSEA-SAT
9h 34m2 stops
$113United Airlines
Find Deal
Thu, Jan 9
11:31 pm - 5:30 amSEA-SAT
3h 59mnonstop
$119Alaska Airlines
Find Deal
Thu, Dec 12
1:55 pm - 12:55 amSEA-SAT
9h 00m1 stop
$126Delta
Find Deal
Thu, Dec 5
12:55 am - 9:48 amSEA-SAT
6h 53m1 stop
$159American Airlines
Find Deal
Fri, Jan 3
11:31 pm - 5:30 amSEA-SAT
3h 59mnonstop
$184Alaska Airlines
Find Deal
Fri, Dec 6
12:55 am - 12:10 pmSEA-SAT
9h 15m1 stop
6:30 am - 2:55 pmSAT-SEA
10h 25m1 stop
$314Delta
Find Deal
Sat, Nov 23 - Tue, Dec 17
12:55 am - 12:10 pmSEA-SAT
9h 15m1 stop
6:30 am - 12:40 pmSAT-SEA
8h 10m1 stop
$324Delta
Find Deal
Sat, Nov 23 - Sun, Dec 15
5:28 pm - 4:59 amSEA-SAT
9h 31m1 stop
10:30 am - 4:23 pmSAT-SEA
7h 53m1 stop
$438Spirit Airlines
Find Deal
Tue, Nov 26 - Mon, Dec 2
8:30 am - 9:18 pmSEA-SAT
10h 48m2 stops
8:49 am - 1:57 pmSAT-SEA
7h 08m1 stop
$527United Airlines
Find Deal
Fri, Nov 22 - Sun, Nov 24
5:45 am - 12:23 pmSEA-SAT
28h 38m3 stops
7:37 pm - 8:26 pmSAT-SEA
26h 49m2 stops
$538Spirit Airlines
Find Deal
Sun, Nov 24 - Sun, Dec 15
12:25 pm - 6:30 pmSEA-SAT
4h 05mnonstop
7:26 pm - 10:00 pmSAT-SEA
4h 34mnonstop
$577Alaska Airlines
Find Deal
Fri, Nov 22 - Sun, Nov 24
8:30 am - 9:18 pmSEA-SAT
10h 48m2 stops
5:00 am - 1:57 pmSAT-SEA
10h 57m2 stops
$585United Airlines
Find Deal
Fri, Nov 22 - Sun, Nov 24
12:25 pm - 6:30 pmSEA-SAT
4h 05mnonstop
7:00 am - 9:33 amSAT-SEA
4h 33mnonstop
$652Alaska Airlines
Find Deal
Mon, Nov 25 - Fri, Nov 29
1:16 am - 9:45 amSEA-SAT
6h 29m1 stop
8:32 pm - 12:53 amSAT-SEA
6h 21m1 stop
$710American Airlines
Find Deal
Sun, Nov 24 - Sun, Dec 1
1:16 am - 11:46 amSEA-SAT
8h 30m1 stop
5:45 am - 11:05 amSAT-SEA
7h 20m1 stop
$716American Airlines
Find Deal
Tue, Nov 26 - Sun, Dec 1
7:59 am - 2:07 pmSEA-SAT
4h 08mnonstop
3:03 pm - 5:33 pmSAT-SEA
4h 30mnonstop
$217Alaska Airlines
Find Deal
Sat, Mar 1 - Wed, Mar 5
8:01 am - 2:07 pmSEA-SAT
4h 06mnonstop
3:03 pm - 5:40 pmSAT-SEA
4h 37mnonstop
$227Alaska Airlines
Find Deal
Tue, Feb 4 - Mon, Feb 10
7:59 am - 2:07 pmSEA-SAT
4h 08mnonstop
3:03 pm - 5:33 pmSAT-SEA
4h 30mnonstop
$237Alaska Airlines
Find Deal
Thu, Mar 6 - Mon, Mar 10
7:59 am - 2:07 pmSEA-SAT
4h 08mnonstop
3:03 pm - 5:33 pmSAT-SEA
4h 30mnonstop
$277Alaska Airlines
Find Deal
Sun, Feb 16 - Thu, Feb 20
8:01 am - 2:07 pmSEA-SAT
4h 06mnonstop
3:03 pm - 5:40 pmSAT-SEA
4h 37mnonstop
$307Alaska Airlines
Find Deal
Mon, Jan 6 - Fri, Jan 10
12:29 pm - 6:25 pmSEA-SAT
3h 56mnonstop
7:25 pm - 10:00 pmSAT-SEA
4h 35mnonstop
$332Alaska Airlines
Find Deal
Wed, Dec 11 - Mon, Dec 16
11:31 pm - 5:30 amSEA-SAT
3h 59mnonstop
7:00 am - 9:41 amSAT-SEA
4h 41mnonstop
$342Alaska Airlines
Find Deal
Mon, Dec 9 - Thu, Dec 12
12:29 pm - 6:25 pmSEA-SAT
3h 56mnonstop
3:03 pm - 5:40 pmSAT-SEA
4h 37mnonstop
$352Alaska Airlines
Find Deal
Sat, Dec 7 - Fri, Jan 10
11:31 pm - 5:30 amSEA-SAT
3h 59mnonstop
7:00 am - 9:41 amSAT-SEA
4h 41mnonstop
$357Alaska Airlines
Find Deal
Fri, Dec 6 - Tue, Dec 10
11:31 pm - 5:30 amSEA-SAT
3h 59mnonstop
7:25 pm - 10:00 pmSAT-SEA
4h 35mnonstop
$367Alaska Airlines
Find Deal
Thu, Dec 5 - Sun, Dec 8

Spirit Airlines flights from Seattle to San Antonio

Our best Spirit Airlines deals on Seattle to San Antonio flight tickets
Spirit Airlines
Feb 5
SEA5:55 pmSeattle/Tacoma Intl
22h 36m
1 stop
SAT6:31 pmSan Antonio
Feb 11
SAT4:23 pmSan Antonio
9h 51m
1 stop
SEA12:14 amSeattle/Tacoma Intl
Spirit Airlines
Feb 4
SEA10:13 amSeattle/Tacoma Intl
26h 47m
1 stop
SAT3:00 pmSan Antonio
Feb 10
SAT7:26 pmSan Antonio
23h 34m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Spirit Airlines
Dec 4
SEA5:15 amSeattle/Tacoma Intl
15h 52m
1 stop
SAT11:07 pmSan Antonio
Dec 11
SAT8:00 amSan Antonio
18h 10m
1 stop
SEA12:10 amSeattle/Tacoma Intl

Frontier flights from Seattle to San Antonio

Our best Frontier deals on Seattle to San Antonio flight tickets
Frontier
Dec 12
SEA1:40 pmSeattle/Tacoma Intl
27h 50m
1 stop
SAT7:30 pmSan Antonio
Dec 15
SAT8:20 pmSan Antonio
14h 37m
1 stop
SEA8:57 amSeattle/Tacoma Intl
Frontier
Dec 12
SEA1:40 pmSeattle/Tacoma Intl
27h 50m
1 stop
SAT7:30 pmSan Antonio
Dec 16
SAT1:02 pmSan Antonio
26h 08m
1 stop
SEA1:10 pmSeattle/Tacoma Intl
Frontier
Jan 10
SEA9:57 amSeattle/Tacoma Intl
7h 48m
1 stop
SAT7:45 pmSan Antonio
Jan 16
SAT1:02 pmSan Antonio
27h 23m
1 stop
SEA2:25 pmSeattle/Tacoma Intl

See travel insights to San Antonio from

How to get the cheapest flight ticket from Seattle to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from Seattle to San Antonio?

February. The cheapest time of year to fly to San Antonio from Seattle is February. Most expensive is April

What is the cheapest day to depart Seattle for San Antonio?

Wednesday. The cheapest day of the week is typically Wednesday. The most expensive is typically Sunday

When is the cheapest time to fly from Seattle to San Antonio?

In the afternoon. Seattle to San Antonio flights are approximately 16% more expensive in the morning than in the afternoon

What is the cheapest Seattle to San Antonio flight route?

Seattle/Tacoma Intl - San Antonio. Fly from Seattle/Tacoma Intl to San Antonio for the best Seattle - San Antonio flight prices

How far in advance should you book Seattle to San Antonio flights?

59 days before. The cheapest time to buy a flight from Seattle to San Antonio is approximately 59 days to departure

Can stopping save me money on Seattle to San Antonio flights?

You could potentially save up to 28% on your flight if you consider stops on a Seattle to San Antonio flight.

How have Seattle to San Antonio flight prices changed over time?

As of November 2024, prices for Seattle to San Antonio flights are approximately 9% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to San Antonio (SEA to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to San Antonio

Best Price Found

$85

Fastest flight time

3h 56m

Direct flights

Every day

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Seattle in the past 72 hours is $85. The best round-trip flight deal from Seattle to San Antonio found on momondo in the last 72 hours is $169.
The fastest flight from Seattle to San Antonio takes 3h 56m
Direct flights go from Seattle to San Antonio every day.
There is 1 airport near San Antonio: San Antonio (SAT)

  • How far is Seattle/Tacoma Intl to San Antonio by plane?

    There are 1785.1 mi between Seattle/Tacoma Intl and San Antonio. A reasonable flight in good conditions will take 3h 56m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to San Antonio Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to San Antonio Airport are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to San Antonio Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to San Antonio Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The travel and health documents you'll need for your trip to San Antonio Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Antonio Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to San Antonio?

  • What is the most popular airline from Seattle to San Antonio?


Best airlines flying from Seattle to San Antonio

Compare and see reviews for airlines that fly from Seattle to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $115Free CancellationRating
6.3
8,175 reviews
Search Spirit Airlines flights
FrontierPriceFrom $129Free CancellationRating
6.1
3,539 reviews
Search Frontier flights
American AirlinesPriceFrom $157Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $177Free CancellationRating
8.0
8,759 reviews
Search Delta flights
Alaska AirlinesPriceFrom $197Free CancellationRating
8.0
9,458 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $220Free CancellationRating
7.4
9,173 reviews
Search United Airlines flights
SouthwestPriceFrom $241Free CancellationRating
8.1
5,015 reviews
Search Southwest flights
  • Alaska Airlines Flights From Seattle to San Antonio

    Alaska Airlines operates around 2 flights from Seattle to San Antonio every week. The average price of these flights found in the last 72 hours has been $392, but momondo users have found Alaska Airlines deals from Seattle to San Antonio from as low as $197 round-trip. Alaska Airlines has been scored 8.0/10 in 9,458 reviews.


Why use momondo?

Why should I use momondo to find a flight deal from Seattle to San Antonio?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to San Antonio. momondo saves you time and could save you money on your trip.

Can I find flights from Seattle to San Antonio with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seattle to San Antonio flights to just show those with flexible booking policies.

How can momondo help me find flights from Seattle to San Antonio?

momondo helps you find the best flight between Seattle and San Antonio by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seattle to San Antonio right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Antonio from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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