Cheap Flights from Seattle / Tacoma International to San Antonio International

Compare Seattle / Tacoma International to San Antonio International flight deals

Find the cheapest month or even day of the year to fly to San Antonio International

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Flight deals from Seattle / Tacoma International to San Antonio International

Looking for a cheap last-minute deal or the best return flight from Seattle / Tacoma International to San Antonio International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seattle / Tacoma International to San Antonio International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle / Tacoma International to San Antonio International flights are currently cheapest in November.

Direct flights from Seattle / Tacoma International to San Antonio International

Seattle / Tacoma International to San Antonio International: Alternative routes

Compare routes from Seattle / Tacoma International to San Antonio below. You may find an airport to fly into that's cheaper, faster, or easier than San Antonio International.

Seattle to San Antonio: Flight information

The things to know before you go.
Cheapest flight found£99
Cheapest month to flyNovember
Average flight time4 hrs
Most popular airlineHawaiian Airlines
Average flights per week47

Finding cheap flights from Seattle / Tacoma International to San Antonio International: Frequently asked questions

The best price we found for a return flight from Seattle / Tacoma International to San Antonio International is £98. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours is the average flight time from Seattle / Tacoma International to San Antonio International.
Hawaiian Airlines, Alaska Airlines and Air Tahiti Nui fly direct from Seattle / Tacoma International to San Antonio International.
As of October 2024, there are 47 flights per week flying from Seattle / Tacoma International to San Antonio International.
The cheapest month to fly from Seattle / Tacoma International to San Antonio International is usually October 2024.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Seattle / Tacoma International Airport to San Antonio International Airport on Thursday, 14 November 2024.
Yes – the average flight time is 4 hours.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Antonio International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Antonio is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines and Alaska Airlines offer the cheapest flight tickets to San Antonio International.

Travelling from Seattle-Tacoma International Airport (SEA) to San Antonio International Airport (SAT): what you need to know

  • A direct flight from Seattle-Tacoma International Airport to San Antonio International Airport takes an average of 3 hours 59 minutes. The timezone in San Antonio is UTC-5, which is 2 hours ahead of Seattle.

  • Choose from 11 weekly flights from Seattle-Tacoma International Airport to San Antonio International Airport. The 07:00 departure with Alaska Airlines is the earliest flight you can take from SEA to SAT. Alaska Airlines operates the last service of the day at 23:52.

  • Travelling during a peak period like school or public holidays? Expect longer queues at security and check-in. To play it safe, arrive up to four hours before international flights and two hours before domestic departures.

  • To break up your flight from Seattle-Tacoma International Airport to San Antonio International Airport, think about adding a stopover. Just uncheck 'Direct flights only' to find a destination that appeals to you. The top stopovers on the SEA - SAT route are:

    • Dallas/Fort Worth International Airport

    • Denver International Airport

    • Phoenix Sky Harbour International Airport

How to find the cheapest flights from Seattle-Tacoma International Airport (SEA) to San Antonio International Airport (SAT)

  • £50 is the best price for a one-way ticket from Seattle-Tacoma International Airport to San Antonio International Airport. Return flights start at £99. These fares can change depending on availability.

  • Score cheap tickets from SEA to SAT by booking at least 10 months ahead. Based on our research, that's the sweet spot for landing a bargain.

  • Schedule your trip for June. That's the cheapest month for tickets from Seattle-Tacoma International Airport to San Antonio International Airport. If you're flexible on when you fly, use the 'Whole month' tool to see the lowest airfare across every month.

  • Snapping up a cheap ticket from SEA to SAT is a piece of cake with Price Alerts. All you need to do is create one of these automatic alerts and we'll get in touch as soon as there's a better deal.

  • Use filters to find the right journey for you. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Seattle-Tacoma International Airport to San Antonio International Airport, use the 'Sort by' tool. You can also filter by departure and arrival times, airline, and number of stops.

Handy information about Seattle-Tacoma International Airport (SEA)

  • The journey from central Seattle to Seattle-Tacoma International Airport takes approximately 54 minutes by public transport. If you drive, ride-share or take a cab, you'll cover the 14 miles in 18 minutes or so, depending on traffic conditions.

  • Searching for a convenient hotel near SEA? If you're catching an early flight from Seattle-Tacoma International Airport to San Antonio International Airport, these stays will put you moments from your check-in counter:

Arriving at San Antonio International Airport (SAT)

Getting from San Antonio International Airport (SAT) to central San Antonio

  • San Antonio International Airport is approximately 12 miles from central San Antonio. With a car rental or if you're catching a cab, the drive is about 21 minutes.

  • Travelling by public transport typically takes 1 hour and 32 minutes.

When to fly to San Antonio International Airport (SAT)

  • It's time to work out your trip dates for your flight from Seattle-Tacoma International Airport to San Antonio International Airport. July is the busiest month to visit San Antonio. If you like a more low-key vibe, go in April.

  • The warmest month in San Antonio is August, with temperatures ranging between 23ºC and 40ºC. Book your flights from Seattle-Tacoma International Airport to San Antonio International Airport in this month if this is the type of weather you enjoy.

  • January sees average temperatures of between 3ºC and 20ºC. Look for cheap tickets from SEA to SAT sometime around then if you want to travel when it's cooler.

More about San Antonio

  • Start your San Antonio trip right by finding a fantastic stay. After booking your flight from SEA to SAT, check out our selection of hotel options including:

  • The San Antonio River Walk and San Antonio Missions National Historical Park are just a couple of the popular attractions to add to your San Antonio itinerary. Keep the momentum going by heading to San Fernando Cathedral.

Complete your San Antonio trip with hotels and a car rental

  • We've got more party tricks than just comparing flights. After booking your cheap ticket to San Antonio International Airport, check out our great car rental offers that'll give you the flexibility to travel around at your own pace. Then, have a look at our exclusive rates for hotels to find your perfect San Antonio stay.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.