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

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from Seattle/Tacoma Intl to San Antonio are usually found in August or June, booked 29 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 2022: compare Seattle to San Antonio flight prices with the expected peak season, weather and rainfall in San Antonio.
SEA - SAT
Price
$195 - $299
SAT
Temperature
51.8 - 84.2 °F
SAT
Rainfall
1.6 - 3.7 inches

Popular in

December

High demand for flights, 21% potential price rise

Cheapest in

August

Best time to find cheap flights, 17% potential price drop

Round-trip from

$195

From Seattle/Tacoma Intl to San Antonio

One-way from

$143

One-way flight from Seattle/Tacoma Intl to San Antonio

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
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 28 days before your planned departure. Booking around this time can save you about 16% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $250 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $257.

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

Friday 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.

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 26% on flights from Seattle to San Antonio by exploring options for tickets at noon.

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

Flights from Seattle to San Antonio lean towards being more expensive in December. Prices are generally better when you fly from Seattle to San Antonio in August, with the cheapest ticket starting at $98.

Cheap flights from Seattle to San Antonio in May, June 2022

The best prices found for SEA to SAT flights for May, June
14 Jun - 21 Jun
$288pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SAT
San Antonio
SAT
San Antonio
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
9 Jun - 14 Jun
$304pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SAT
San Antonio
SAT
San Antonio
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
28 Jun - 5 Jul
$317pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SAT
San Antonio
SAT
San Antonio
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle/Tacoma Intl to San Antonio 2022 flight deals

Cheap flights to San Antonio from Seattle found for this year
3 Aug - 24 Aug
$266pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SAT
San Antonio
SAT
San Antonio
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
3 Aug - 22 Aug
$274pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SAT
San Antonio
SAT
San Antonio
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
14 Sep - 21 Sep
$276pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
SAT
San Antonio
SAT
San Antonio
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl

Non-stop flights to San Antonio from Seattle

Save time with Seattle to San Antonio direct flight deals
1 Nov - 30 Nov
$477pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SAT
San Antonio
SAT
San Antonio
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
29 Aug - 31 Aug
$558pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SAT
San Antonio
SAT
San Antonio
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
7 Jun - 17 Aug
$568pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SAT
San Antonio
SAT
San Antonio
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle to San Antonio

Late deals on round-trip flights to San Antonio from Seattle, departing today and this week
24 May - 1 Jun
$375pp
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
SAT
San Antonio
SAT
San Antonio
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
27 May - 30 May
$445pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SAT
San Antonio
SAT
San Antonio
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
24 May - 6 Jun
$449pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SAT
San Antonio
SAT
San Antonio
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

One-way flights to San Antonio from Seattle

The cheapest one-way flights from Seattle to San Antonio
2:30 am - 7:00 pm
United Airlines
2 Stops
14h 30m
SEA - SAT
United Airlines
$143
United
1:00 pm - 8:47 pm
Delta
1 Stop
5h 47m
SEA - SAT
Delta
$157
Delta
4:20 am - 1:17 pm
American Airlines
1 Stop
6h 57m
SEA - SAT
American Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Seattle</span> to <span class="emphasized">San Antonio</span> flights.

Flight FAQs

From Seattle to San Antonio

Which airlines flying from Seattle/Tacoma Intl to San Antonio have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Alaska Airlines, United Airlines, and American Airlines flying from Seattle/Tacoma Intl to San Antonio have implemented new flexible cancellation policies.

Can I find flights from Seattle to San Antonio for under $300 on Cheapflights?

Yes, there are multiple flights from Seattle to San Antonio for under $300. The cheapest flight booked recently is on Multiple Airlines for just $266, but on average you can expect to pay $297.

Are there nonstop flights from Seattle to San Antonio for under $500 on Cheapflights?

Cheapflights has at least 20 direct flights from Seattle to San Antonio under $500. A good price for a nonstop flight from Seattle to San Antonio is less than $691.

Are there last-minute flights available from Seattle to San Antonio for under $400?

There are currently 20+ open flights from Seattle to San Antonio within the next 7 days for less than $400.

How popular is this Seattle to San Antonio flight route?

Within the past month, 26 users have taken a look at flights from Seattle/Tacoma Intl to San Antonio.

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

Currently priced at $276, Delta will fly you from Seattle to San Antonio and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Frontier - these airlines can fly you to your destination from $280 and $287, respectively.

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

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $133. However, be on the lookout for offers from Delta and United 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?

Before booking your flight from Seattle to San Antonio check out the most popular airlines for this route: Major Airline, American Airlines or Alaska Airlines.

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 $675, our data indicates the cheapest price to be $113. The most popular route (Seattle/Tacoma Intl - San Antonio), is priced around $276.

COVID Restrictions

View COVID Travel Restrictions for San Antonio, TX

Do I need a COVID test to fly to San Antonio from Seattle?

Information is based on travel restrictions for travel to San Antonio within the United States

Most visitors from Seattle/Tacoma Intl need to provide a negative COVID-19 test result and/or quarantine to enter San Antonio.

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to San Antonio.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering San Antonio.

Do I need a test to fly back to Seattle from San Antonio?

Returning to Seattle/Tacoma Intl from San Antonio

COVID-19 testing requirements
Visitors from San Antonio must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from San Antonio are not required to quarantine after entering Seattle/Tacoma Intl.

Hide COVID Travel Restrictions for San Antonio, TX

Alternative routes for Seattle to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for San Antonio

Things to know before you go - useful duration and weather info for your trip from Seattle to San Antonio.

Airports servicing Seattle

Airports servicing San Antonio

Top 6 airlines flying from Seattle/Tacoma Intl 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.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Juneyao Airlines
$13 $20 No cancel fee 66%

We couldn't confirm the COVID-19 safety measures taken by Juneyao Airlines. Please check directly on their website for additional information.

Frontier
$79 $237 No cancel fee 62%
American Airlines
$105 $265 No cancel fee 71%
Delta
$105 $284 No cancel fee N/A
United Airlines
$107 $276 No cancel fee 69%
Alaska Airlines
$129 $315 No cancel fee 75%

Hourly flight availability from Seattle to San Antonio

See what time of day planes typically take off from Seattle towards San Antonio.
Morning 6 AM to noon 100% of SEA to SAT departures
Early morning Midnight to 6 AM 0% of SEA to SAT departures
Afternoon Noon to 6 PM 0% of SEA to SAT departures
Evening 6 PM to midnight 0% of SEA to SAT departures
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.
Sunday
1 daily flight
Monday
1 daily flight
Tuesday
1 daily flight
Wednesday
1 daily flight
Thursday
0 flights
Friday
1 daily flight
Saturday
1 daily flight
Home North America USA Texas San Antonio Cheap flights from Seattle to San Antonio