Cheap flights from Seattle to San Antonio (SEA - SAT) from $106

This is the cheapest one-way flight price, found on 6/7. Prices may vary by date and flight preferences.
SEA — SAT
Jun 13 — Jun 201
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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 Wednesday or Tuesday 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

$299

One-way from

$159
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

$299 - $502

SAT

Temperature

51.8 - 84.2 °F

SAT

Rainfall

1.6 - 3.7 inches

Cheap flights from Seattle to San Antonio in June, July 2023

The best prices found for SEA to SAT flights for June, July
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.

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 United Airlines flights from Seattle to San Antonio

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

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.

Last minute flights from Seattle to San Antonio

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

$214 - $306

Route

Depart

Return

Price

Seattle/Tacoma IntlSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Fri 8/18

1 stop12h 21m

San Antonio

Tue 8/22

1 stop15h 07m

Seattle/Tacoma IntlSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Thu 10/19

1 stop6h 44m

San Antonio

Tue 10/24

1 stop6h 35m

Seattle/Tacoma IntlSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Thu 7/6

1 stop17h 07m

San Antonio

Mon 7/10

1 stop15h 44m

Seattle/Tacoma IntlSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Fri 8/18

1 stop12h 21m

San Antonio

Mon 8/21

1 stop18h 10m

Seattle/Tacoma IntlSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Thu 8/3

1 stop5h 52m

San Antonio

Mon 8/7

1 stop11h 47m

Seattle/Tacoma IntlSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Fri 9/8

1 stop22h 28m

San Antonio

Sun 9/10

1 stop10h 59m

Seattle/Tacoma IntlSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Thu 8/3

Nonstop4h 02m

San Antonio

Thu 8/10

Nonstop4h 18m

Seattle/Tacoma IntlSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Fri 7/7

1 stop6h 53m

San Antonio

Fri 7/14

1 stop7h 11m

Seattle/Tacoma IntlSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Wed 8/2

1 stop17h 07m

San Antonio

Tue 8/8

1 stop22h 25m

Flights are sorted by cheapest first

Deals found on 6/7

Reviews of airlines servicing San Antonio

Read through reviews of airlines operating flights from Seattle to San Antonio, such as Frontier, United Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
1,376 reviews

Comfort

8.0

Boarding

8.3

Entertainment

7.1

Crew

8.6

Food

7.2

Overall

8.0

Reviews

1 / 10

If there is a computer installed at the back of each seat for music and movies, that will be great.

Alaska Airlines
8.0
Very good
1,376 reviews
Alaska Airlines
8.0
Very good
1,376 reviews

Comfort

8.0

Boarding

8.3

Entertainment

7.1

Crew

8.6

Food

7.2

Overall

8.0

Reviews

1 / 10

If there is a computer installed at the back of each seat for music and movies, that will be great.

Delta
8.0
Very good
2,405 reviews
Alaska Airlines
8.0
Very good
1,376 reviews

Comfort

8.0

Boarding

8.3

Entertainment

7.1

Crew

8.6

Food

7.2

Overall

8.0

Reviews

1 / 10

If there is a computer installed at the back of each seat for music and movies, that will be great.

United Airlines
7.6
Good
1,569 reviews
Alaska Airlines
8.0
Very good
1,376 reviews

Comfort

8.0

Boarding

8.3

Entertainment

7.1

Crew

8.6

Food

7.2

Overall

8.0

Reviews

1 / 10

If there is a computer installed at the back of each seat for music and movies, that will be great.

American Airlines
7.3
Good
2,149 reviews
Alaska Airlines
8.0
Very good
1,376 reviews

Comfort

8.0

Boarding

8.3

Entertainment

7.1

Crew

8.6

Food

7.2

Overall

8.0

Reviews

1 / 10

If there is a computer installed at the back of each seat for music and movies, that will be great.

Spirit Airlines
6.5
Okay
1,073 reviews
Alaska Airlines
8.0
Very good
1,376 reviews

Comfort

8.0

Boarding

8.3

Entertainment

7.1

Crew

8.6

Food

7.2

Overall

8.0

Reviews

1 / 10

If there is a computer installed at the back of each seat for music and movies, that will be great.

Related info for your journey

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

Alternative routes for Seattle to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to El Pasofrom $132 pp
Seattle to Austinfrom $169 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-timeCOVID-19 safety
FrontierCheapest$120Average$229FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
Spirit AirlinesCheapest$143Average$293FlexibilityNo cancel feeOn-time65%COVID-19 safety
Search Spirit Airlines flights
DeltaCheapest$145Average$319FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
Alaska AirlinesCheapest$166Average$415FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Alaska Airlines flights
American AirlinesCheapest$197Average$445FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
United AirlinesCheapest$210Average$390FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights

Hourly flight availability from Seattle to San Antonio

See what time of day planes typically take off from Seattle to San Antonio
1%of flight departuresEarly morningMidnight to 6 am
72%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
27%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