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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
$306
Southwest Airlines
• 1 stop
• 20h 50m
Jun 02 – Jun 04
The cheapest round trip flight from Seattle to San Antonio (SEA-SAT-SEA) is currently $306
Cheapest Direct Flight
$502
Alaska Airlines
• nonstop
• 6h 47m
Jun 02
The cheapest nonstop flight from Seattle to San Antonio (SEA-SAT) is currently $502
Fastest Flight
6h 45m
The fastest nonstop flight from Seattle to San Antonio (SEA-SAT) takes 6h 45m
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.
Jun 02 - Jun 04, Economy
Seattle → San Antonio
20h 50m
6:30 AM - 9:20 PM • 1 stop
Seattle → San Antonio
9h 15m
5:35 PM - 9:30 PM • 1 stop
Southwest Airlines
Jun 02 - Jun 04, Economy
Seattle → San Antonio
9h 15m
2:05 PM - 10:00 PM • 1 stop
Seattle → San Antonio
10h 35m
12:50 PM - 5:25 PM • 1 stop
Southwest Airlines
Jun 02 - Jun 04, Economy
Seattle → San Antonio
35h 9m
7:50 PM - 6:59 PM • 1 stop
Seattle → San Antonio
26h 52m
7:54 PM - 10:06 AM • 1 stop
Frontier Airlines
Jun 02 - Jun 04, Economy
Seattle → San Antonio
6h 47m
10:54 AM - 5:01 PM • nonstop
Seattle → San Antonio
7h 15m
7:00 AM - 9:35 AM • nonstop
Alaska Airlines
Jun 02 - Jun 04, Economy
Seattle → San Antonio
15h 50m
11:40 AM - 11:30 PM • 1 stop
Seattle → San Antonio
10h 15m
8:35 PM - 12:50 AM • 1 stop
Southwest 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.
Jun 02 - Jun 04, Economy
Seattle → San Antonio
6h 47m
10:54 AM - 5:01 PM • nonstop
Seattle → San Antonio
7h 15m
7:00 AM - 9:35 AM • 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 6:30 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 WN : USD 588
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 11:35 pm
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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