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Uncover the best deals on Seattle to San Antonio flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest SEA - SAT Flights
Useful information for finding best airline tickets from Seattle Tacoma International to San Antonio International on your next trip.
Cheapest Round Trip Flight
$228
Southwest Airlines
• 1 stop
• 10h 55m
Oct 29 – Nov 05
The cheapest round trip flight from Seattle to San Antonio (SEA-SAT-SEA) is currently $228
Cheapest Direct Flight
$199
Alaska Airlines
• nonstop
• 6h 53m
Oct 30
The cheapest nonstop flight from Seattle to San Antonio (SEA-SAT) is currently $199
Fastest Flight
6h 41m
The fastest nonstop flight from Seattle to San Antonio (SEA-SAT) takes 6h 41m
Top Airlines Flying from Seattle to San Antonio
Latest Flight Deals from Seattle (SEA) to San Antonio (SAT)
Compare and book low fare round-trip air tickets from Seattle to San Antonio. Ideal for travelers with confirmed return itineraries.
Oct 29 - Nov 05, Economy
Seattle → San Antonio
10h 55m
8:05 AM - 5:00 PM • 1 stop
Seattle → San Antonio
10h 15m
6:25 AM - 10:40 AM • 1 stop
Southwest Airlines
Oct 29 - Nov 05, Economy
Seattle → San Antonio
9h 9m
3:10 PM - 10:59 PM • 1 stop
Seattle → San Antonio
10h 36m
7:06 PM - 11:42 PM • 1 stop
American Airlines
Oct 29 - Nov 05, Economy
Seattle → San Antonio
10h 10m
6:00 AM - 2:10 PM • 1 stop
Seattle → San Antonio
10h 36m
7:06 PM - 11:42 PM • 1 stop
American Airlines
Oct 29 - Nov 05, Economy
Seattle → San Antonio
10h 8m
7:30 AM - 3:38 PM • 1 stop
Seattle → San Antonio
10h 36m
7:06 PM - 11:42 PM • 1 stop
American Airlines
Oct 29 - Nov 05, Economy
Seattle → San Antonio
10h 17m
3:35 PM - 11:52 PM • 1 stop
Seattle → San Antonio
10h 5m
1:52 PM - 5:57 PM • 1 stop
United Airlines
Flying to San Antonio soon? We've surfaced some of the most affordable last-minute flights from Seattle to San Antonio, ideal for urgent plans or spontaneous trips.
Oct 29 - Nov 05, Economy
Seattle → San Antonio
10h 55m
8:05 AM - 5:00 PM • 1 stop
Seattle → San Antonio
10h 15m
6:25 AM - 10:40 AM • 1 stop
Southwest Airlines
Oct 29 - Nov 05, Economy
Seattle → San Antonio
9h 9m
3:10 PM - 10:59 PM • 1 stop
Seattle → San Antonio
10h 36m
7:06 PM - 11:42 PM • 1 stop
American Airlines
Oct 29 - Nov 05, Economy
Seattle → San Antonio
10h 10m
6:00 AM - 2:10 PM • 1 stop
Seattle → San Antonio
10h 36m
7:06 PM - 11:42 PM • 1 stop
American Airlines
Oct 29 - Nov 05, Economy
Seattle → San Antonio
10h 8m
7:30 AM - 3:38 PM • 1 stop
Seattle → San Antonio
10h 36m
7:06 PM - 11:42 PM • 1 stop
American Airlines
Oct 29 - Nov 05, Economy
Seattle → San Antonio
10h 17m
3:35 PM - 11:52 PM • 1 stop
Seattle → San Antonio
10h 5m
1:52 PM - 5:57 PM • 1 stop
United Airlines
Looking for the fastest way to San Antonio? These direct flight options from SEA to SAT offer both convenience and value—no layovers, just straight to your destination.
Oct 30 - Nov 06, Economy
Seattle → San Antonio
6h 53m
10:03 AM - 4:16 PM • nonstop
Seattle → San Antonio
7h 11m
5:29 PM - 8:00 PM • nonstop
Alaska Airlines
Nov 02 - Nov 10, Economy
Seattle → San Antonio
6h 50m
10:09 AM - 4:19 PM • nonstop
Seattle → San Antonio
7h 11m
5:29 PM - 8:00 PM • nonstop
Alaska Airlines
Nov 01 - Nov 09, Economy
Seattle → San Antonio
6h 50m
10:09 AM - 4:19 PM • nonstop
Seattle → San Antonio
7h 11m
5:29 PM - 8:00 PM • nonstop
Alaska Airlines
Dec 11 - Dec 14, Economy
Seattle → San Antonio
6h 41m
- • nonstop
Seattle → San Antonio
7h 20m
- • nonstop
Alaska Airlines
FAQs on Seattle to San Antonio Flights
What are the airports in Seattle?
SEA
What’s the most popular airline flying from SEA to SAT?
The most popular airline flying from Seattle to San Antonio are
Can I fly from SEA to SAT non-stop?
Yes, you can fly SEA to SAT non-stop on
Which airlines fly nonstop between Seattle and San Antonio?
The non-stop flights between Seattle and San Antonio are .
What’s the earliest departure time from SEA to SAT Airport?
The earliest flight leaves SEA at 6:00 am and lands in SAT - San Antonio International
What are the airports in San Antonio?
SAT
Can I make changes to my Seattle to San Antonio flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from SEA to SAT?
Read the fare rules of the Seattle to San Antonio air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Seattle and San Antonio?
operate flights between Seattle and San Antonio
How long does a flight from Seattle to San Antonio take?
It takes approximately 4 hour to fly non-stop from SEA to SAT, which is 1774.27 miles by air.
Which airlines provide the cheapest flights from Seattle (SEA) to San Antonio (SAT) ?
In the past couple of days, the cheapest tickets to SAT from SEA were found on UA : USD 387
Do I need a passport to fly between SEA and SAT?
No
What’s the latest departure time from SEA to SAT ?
The last flight leaves SEA at 10:0100 am
Seattle (SEA) to San Antonio (SAT): Airport Information
| Origin Airport | Seattle Tacoma International , Seattle, US |
| Destination Airport | San Antonio International , San Antonio, US |
| Distance | 1774 miles |
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