Cheap flights from Seattle to San Antonio (SEA - SAT) from $72

This is the cheapest one-way flight price, found on 10/1. Prices may vary by date and flight preferences.
SEA — SAT
Oct 7 — Oct 141

The best prices from Seattle/Tacoma Intl to San Antonio are usually found in February or January, booked 40 days in advance, depart on a Thursday or Friday and return on a Tuesday

How to find the cheapest flight from Seattle (SEA) to San Antonio (SAT)

All the information you need to plan the best SEA to SAT flight in 2023: compare Seattle to San Antonio flight prices with the expected peak season, weather and rainfall in San Antonio.

Popular in

June

Cheapest in

February

Round-trip from

$288

One-way from

$109
High demand for flights, 34% potential price rise
Best time to find cheap flights, 34% potential price drop
From Seattle/Tacoma Intl to San Antonio
One-way flight from Seattle/Tacoma Intl to San Antonio

SEA - SAT

Price

$288 - $506

SAT

Temperature

51.8 - 84.2 °F

SAT

Rainfall

1.6 - 3.7 inches

What is the cheapest day to fly round-trip from Seattle to San Antonio?

Saturday flights are found to be more expensive to fly from Seattle to San Antonio. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Antonio.

How far in advance should I book a flight from Seattle to San Antonio?

To save on the cost of your flight from Seattle to San Antonio, book at least 41 days before your planned departure. Booking around this time can save you about 32% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $454 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $530.

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

Flights from Seattle to San Antonio lean towards being more expensive in June. Prices are generally better when you fly from Seattle to San Antonio in February, with the cheapest ticket starting at $152.

When is the cheapest time to fly from Seattle to San Antonio (SEA - SAT)?

Unlike in the morning, when flights are generally more expensive, you can save up to 20% on flights from Seattle to San Antonio by exploring options for tickets in the evening.

Cheap Frontier flights from Seattle to San Antonio

Check out some of the cheapest Frontier flights we've come across from Seattle to San Antonio. It's recommended that users confirm their flight details before booking.

Cheap Spirit Airlines flights from Seattle to San Antonio

Browse through some of the cheapest Spirit Airlines flights traveling from Seattle to San Antonio. Check back soon if you're not seeing flights that suit your needs.

Cheap Seattle to San Antonio flights in October & November 2023

The best prices found for SEA to SAT flights for October, November
These are some of the best deals we've found on flights to San Antonio in 2023 at this time. If these deals don't appeal to you, be sure to come back soon for more options.

Seattle to San Antonio 2023 flight deals

Cheap flights to San Antonio from Seattle found for this year
These are some of the best deals we've found on flights to San Antonio in 2023 at this time. If these deals don't appeal to you, be sure to come back soon for more options.

Non-stop flights to San Antonio from Seattle

Save time with Seattle to San Antonio direct flight deals
Take a look at some of the direct flights traveling from Seattle to San Antonio in the near future. Select from other flights from Seattle to San Antonio by using the search form above.

Seattle to San Antonio flights leaving soon

Late deals on return flights to San Antonio from Seattle, departing today and this week
Users seeking a last-minute flight from Seattle to San Antonio should consider booking one of these fares. Tip: verify your flight details before completing your reservation.

One-way flights to San Antonio from Seattle

The cheapest one-way flights from Seattle to San Antonio
Users traveling one-way from Seattle to San Antonio can select one of these great deals. Those needing a return flight from Seattle to San Antonio can use the search form above.

Find flights from Seattle to San Antonio within your budget

Use the slider to find flights from Seattle to San Antonio that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$109 - $237

Route

Depart

Return

Price

Seattle/Tacoma IntlSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Tue 10/31

2 stops11h 19m

San Antonio

Tue 11/7

1 stop7h 02m

Seattle/Tacoma IntlSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Fri 11/10

1 stop26h 51m

San Antonio

Tue 11/14

1 stop7h 02m

Seattle/Tacoma IntlSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Tue 10/31

1 stop6h 11m

San Antonio

Tue 11/7

1 stop7h 02m

Seattle/Tacoma IntlSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Wed 11/1

1 stop23h 09m

San Antonio

Sat 11/4

1 stop7h 13m

Seattle/Tacoma IntlSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Tue 10/24

1 stop16h 36m

San Antonio

Sat 10/28

1 stop7h 13m

Seattle/Tacoma IntlSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Tue 10/17

1 stop16h 23m

San Antonio

Thu 10/19

1 stop7h 07m

Seattle/Tacoma IntlSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Tue 10/24

1 stop7h 23m

San Antonio

Tue 10/31

1 stop8h 03m

Seattle/Tacoma IntlSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Thu 11/30

Nonstop3h 52m

San Antonio

Sun 12/3

Nonstop4h 32m

Seattle/Tacoma IntlSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Sun 10/29

1 stop5h 40m

San Antonio

Thu 11/2

1 stop10h 04m

Flights are sorted by cheapest first

Deals found on 10/1

Reviews of airlines servicing San Antonio

Read through reviews of airlines operating flights from Seattle to San Antonio, such as Frontier, Spirit Airlines and Alaska Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
1,394 reviews

Boarding

8.3

Comfort

8.0

Food

7.2

Entertainment

7.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

Excellent airlines the price was great service was excellent plane was very comfortable

Alaska Airlines
8.1
Very good
1,394 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Boarding

8.3

Comfort

8.0

Food

7.2

Entertainment

7.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

Excellent airlines the price was great service was excellent plane was very comfortable

Delta
7.9
Good
3,023 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Boarding

8.3

Comfort

8.0

Food

7.2

Entertainment

7.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

Excellent airlines the price was great service was excellent plane was very comfortable

United Airlines
7.4
Good
1,890 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Boarding

8.3

Comfort

8.0

Food

7.2

Entertainment

7.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

Excellent airlines the price was great service was excellent plane was very comfortable

American Airlines
7.2
Good
2,635 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Boarding

8.3

Comfort

8.0

Food

7.2

Entertainment

7.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

Excellent airlines the price was great service was excellent plane was very comfortable

Spirit Airlines
6.3
Okay
1,486 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Boarding

8.3

Comfort

8.0

Food

7.2

Entertainment

7.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

Excellent airlines the price was great service was excellent plane was very comfortable

Related info for your journey

Useful info, stats and facts about Seattle to San Antonio flights.

What airports do I use to fly from Seattle to San Antonio?

San Antonio is the airport most travelers will use when flying to San Antonio from Seattle/Tacoma Intl. Booking flights from Seattle/Tacoma Intl (SEA) to San Antonio (SAT) should be relatively easy as there are 2 daily flights to San Antonio from 7 different airlines. 3h 52m is how long a flight from Seattle to San Antonio will take if you book a nonstop flight.

Can I find flights from Seattle to San Antonio for under $200 on Cheapflights?

Yes, there are multiple flights from Seattle to San Antonio for under $200. The cheapest flight booked recently is on Frontier for just $109, but on average you can expect to pay $132.

Are there nonstop flights from Seattle to San Antonio for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Seattle to San Antonio under $200. A good price for a nonstop flight from Seattle to San Antonio is less than $280.

Are there last-minute flights available from Seattle to San Antonio for under $200?

There are currently 20+ open flights from Seattle to San Antonio within the next 7 days for less than $200.

What days are nonstop flights available from Seattle to San Antonio?

Nonstop flights are available for this route on the following days: Friday, Saturday.

How popular is this Seattle to San Antonio flight route?

How many flights depart from Seattle to San Antonio on average per day?

On average 4 flights depart from Seattle to San Antonio per day.
Morning (6am - Noon) - 100% of flight departures

How long is the flight from Seattle to San Antonio?

Frontier and Spirit Airlines can get you from Seattle to San Antonio in just under 11h 19m. Your travel time can differ by up to 5h 04m. The distance between Seattle and San Antonio is about 1783 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Seattle to San Antonio round-trip?

Currently priced at $109, Frontier will fly you from Seattle to San Antonio and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Spirit Airlines for as low as $131. Users have found that Frontier is 75% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Seattle to San Antonio one-way?

The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $72. However, be on the lookout for offers from Frontier and American Airlines, as they are both options that can get you from Seattle to San Antonio for a low price.

What are the most popular airlines that fly from Seattle to San Antonio?

What are the most reliable airlines from Seattle to San Antonio?

Before booking your flight to San Antonio from Seattle, check out the most reliable airlines to get you to your destination on time: Air Tahiti Nui (80%), Alaska Airlines (78%), Qatar Airways( 73%).

What are the cheapest flights from Seattle to San Antonio?

Looking for the cheapest flight from Seattle to San Antonio? While on average our users pay $305, our data indicates the cheapest price to be $119. The most popular route (Seattle/Tacoma Intl - San Antonio), is priced around $110.

What does SEA to SAT mean?

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Seattle/Tacoma Intl Airport to San Antonio Airport flight would often be abbreviated as a SEA to SAT flight.

Alternative routes for Seattle to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Austinfrom $129 pp
Seattle to El Pasofrom $139 pp

Top 6 airlines flying from Seattle to San Antonio

The chart below displays the airlines Cheapflights users traveling from Seattle to San Antonio choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$106Average$215FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$143Average$287FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
Alaska AirlinesCheapest$146Average$378FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapest$149Average$316FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$187Average$374FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$187Average$363FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Hourly flight availability from Seattle to San Antonio

See what time of day planes typically take off from Seattle to San Antonio
0%of flight departuresEarly morningMidnight to 6 am
100%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Seattle to San Antonio

See how many times per day planes take to the skies headed from Seattle to San Antonio
Sunday4daily flights
Monday2daily flights
Tuesday2daily flights
Wednesday2daily flights
Thursday4daily flights
Friday4daily flights
Saturday2daily flights

Fly with Cheapflights

What makes Cheapflights the go-to destination for all your flight needs

How does Cheapflights help users find flights from Seattle to San Antonio?

Cheapflights helps you search for flights from Seattle to San Antonio via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Seattle to San Antonio?

Cheapflights helps you find that perfect flight to San Antonio from Seattle by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Seattle to San Antonio with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Seattle to San Antonio, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Seattle to San Antonio become cheaper?

Yes, Cheapflights does offer price alerts on Seattle to San Antonio flights so you can book your travels when it’s right. The Price Alert feature is available after a flight search is performed above.

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