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Cheap Flights from Seattle to San Antonio, TX, United States - SEA to SAT

Popular flights from Seattle to San Antonio

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

Alaska Airlines
Departure Date Return Date Lowest Price
Aug 25, 2016 Aug 30, 2016 $300
American Airlines
Departure Date Return Date Lowest Price
May 20, 2016 May 22, 2016 $274
May 28, 2016 Jun 6, 2016 $274
May 31, 2016 Jun 1, 2016 $274
Jun 1, 2016 Jun 4, 2016 $274
Jun 1, 2016 Jun 6, 2016 $274
Frontier Airlines
Departure Date Return Date Lowest Price
Jun 1, 2016 Jun 6, 2016 $278
Jun 4, 2016 Jun 5, 2016 $278
United Airlines
Departure Date Return Date Lowest Price
May 16, 2016 May 19, 2016 $274
May 18, 2016 May 23, 2016 $274
May 18, 2016 May 24, 2016 $274
May 19, 2016 May 23, 2016 $274
May 21, 2016 May 25, 2016 $274

How Much Does it Cost to Fly from Seattle to San Antonio (SEA to SAT)?

We have collected flight cost data from across the web for travel from Seattle to San Antonio, and have found the average flight price for this trip to be $274.

When Can I Buy the Cheapest Flight from Seattle to San Antonio (SEA to SAT)?

Airlines can adjust prices for plane tickets from Seattle to San Antonio based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

How far in advance should you book flights from Seattle to San Antonio

The chart below shows up-to-date information regarding how far in advance a flight from Seattle to San Antonio should be booked.

Non Stop versus 1-Stop
Advanced PurchaseNon StopOne Stop
< 7 days $954 $307
7-14 days $945 $274
14-21 days $476 $274
21-30 days $391 $274
30-60 days $361 $274
60-90 days $344 $274
90+ days $326 $248

Cheapest Day To Fly from Seattle to San Antonio

The chart below shows up-to-date information regarding the cheapest days to fly from Seattle to San Antonio.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$274 $274 $274 $274 $274 $274 $274

Lowest Fares Chart By Month from Seattle to San Antonio

The chart below shows the lowest fare by month when flying from Seattle to San Antonio.

Month Origin Destination Carrier Depart Date Return Date Stops Price
May Seattle San Antonio American 5/20/16 5/22/16 1 $274
June Seattle San Antonio American 6/1/16 6/6/16 1 $274
July Seattle San Antonio United 7/3/16 7/11/16 1 $274
August Seattle San Antonio American 8/6/16 8/13/16 1 $274
September Seattle San Antonio American 9/6/16 9/11/16 1 $274
October Seattle San Antonio Frontier 10/1/16 10/15/16 1 $248
November Seattle San Antonio American 11/10/16 11/14/16 1 $274
December Seattle San Antonio American 12/1/16 12/5/16 1 $274

Cheapest Weekend Non-Stop Flights for the Next 30 Days from Seattle to San Antonio

If you're ready to take a trip in the next 30 days and want to fly on the weekend, you might be wondering which weekend is the cheapest to fly. The chart below shows up-to-date data regarding weekend flight prices from Seattle to San Antonio.

Next 30 Days

SunMonTueWedThuFriSat
1 2 3 4 5 6 7
$954
8 9 10 11 12 13 14
$954 $945
15 16 17 18 19 20 21
$945 $586
22 23 24 25 26 27 28
$586 $774
29 30 31 1 2 3 4
$774 $461
5 6 7 8 9 10 11
$461

Non-Stop vs Connecting Flights from Seattle to San Antonio (SEA to SAT)

Your Seattle to San Antonio flight can be significantly cheaper by choosing a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from Seattle to San Antonio is $285.

The average price for non-stop flights from Seattle to San Antonio is $344.

The chart below shows up to date information regarding non-stop flights from Seattle to San Antonio.

Nonstop Flight Details from Seattle to San Antonio
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
Alaska 1 1 1 1 1 1 1 11:30 11:30

Round Trip vs One Way Flights from Seattle to San Antonio (SEA to SAT)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Seattle to San Antonio. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Seattle to San Antonio is $140.

The average price for round trip flights from Seattle to San Antonio is $285.

Seattle to San Antonio Flight Questions

Below are some common questions that asked about this flight route:

Question: How long is a direct flight from Seattle to San Antonio?
Answer: The average Seattle to San Antonio flight time is 3 hours and 59 minutes.
Question: How many miles are there between Seattle and San Antonio?
Answer: The distance from Seattle to San Antonio is 1771 miles.
Question: How common are direct flights from Seattle to San Antonio?
Answer: There are 7 direct flights from Seattle to San Antonio.
Question: What is the most popular airline for non-stop flights from Seattle to San Antonio?
Answer: Alaska Airlines provides 100% of the non-stop flights between Seattle and San Antonio.
Question: What are the most popular connecting cities when flying from Seattle to San Antonio?
Answer: Denver, CO

Airlines Flying from Seattle to San Antonio (SEA to SAT)

Below are the different airlines that fly from Seattle to San Antonio with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from Seattle to San Antonio.

Seattle to San Antonio
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American DFW X X X X X X X
Alaska - X X X X X X X
Delta MSP X X X X X X X
Frontier DEN X X X X X X X
United DEN X X X X X X X
Southwest DAL X X X X X X X

Airports for Your Route

These pages contain information about the major airports in Seattle and San Antonio, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights from Seattle - SEA

FlightsAirlineLowest Price
Seattle to Dallas - Ft Worth American, Alaska, Frontier, Spirit, Sun Country, United, Virgin America $224
Seattle to Austin American, Alaska, JetBlue, Frontier, United, Virgin America $251
Seattle to Houston American, Alaska, Frontier, Spirit, United $264
Seattle to Atlanta American, Alaska, Frontier, Spirit, United $370
Seattle to Chicago American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $197
Seattle to New York American, Alaska, JetBlue, Frontier, Hawaiian, Sun Country, United, Virgin America $303
Seattle to Los Angeles American, Alaska, Spirit, United, Virgin America $106
Seattle to Las Vegas American, Alaska, JetBlue, Spirit, United, Virgin America $81
Seattle to Denver American, Alaska, Frontier, Spirit, United, Virgin America $128
Seattle to Killeen American, Alaska, United $293
Seattle to Phoenix American, Alaska, Frontier, United $208
Seattle to Corpus Christi American, Alaska, United $376

Cheap Domestic Flights to San Antonio - SAT

FlightsAirlineLowest Price
Portland to San Antonio American, Alaska, Frontier, United $248
Pasco to San Antonio American, Alaska, United $410
Bellingham to San Antonio American, Alaska $422
Yakima to San Antonio American, Alaska $475
Wenatchee to San Antonio American, Alaska Check Dates
Portland to Dallas - Ft Worth American, Alaska, Frontier, Hawaiian, Spirit, United, Virgin America $117
Portland to Austin American, Alaska, JetBlue, Frontier, United, Virgin America $288
Portland to Houston American, Alaska, Frontier, Spirit, United $356
Portland to Atlanta American, Alaska, Frontier, United $357
Portland to Chicago American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $97
Bellingham to Austin American, Alaska $372
Portland to New York American, Alaska, JetBlue, Frontier, Spirit, Sun Country, United, Virgin America $282

Cheap International Flights to San Antonio - SAT

FlightsAirlineLowest Price
Vancouver to San Antonio American, Air Canada, Alaska, Allegiant, United, WestJet $255
Victoria to San Antonio American, Air Canada, Alaska, United, WestJet $476
Vancouver to Austin Pacific Coastal, American, Air Canada, Alaska, JetBlue, Frontier, Allegiant, United, Virgin America, WestJet $255
Vancouver to Dallas - Ft Worth American, Air Canada, Alaska, Spirit, United, WestJet $305
Vancouver to Houston American, Air Canada, Alaska, JetBlue, United, WestJet, Great Lakes $370
Victoria to Austin American, Air Canada, Alaska, United, WestJet $392
Cheap Flights from Seattle to San Antonio, TX, United States, from $274 Round trip from SEA to SAT