$86 Cheap Flights from Seattle (SEA) to San Antonio (SAT)

You can find cheap one-way flights from $86 and cheap return flights from $204 Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Antonio, TX (SAT-San Antonio Intl.) with Expedia. One-way flights generally range between $103 and $1325, and roundtrip flights usually range from $293 to $1707. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Antonio, TX (SAT-San Antonio Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.

January is the cheapest month to fly from Seattle (SEA) to San Antonio (SAT), with average return fares around $286. This is about 20% lower than the average price throughout the year, as winter travel tends to be less busy. Other economical months to consider are August and September.*Averages based on flights available on Expedia in the last year.

Sun Country Airlines is one of the cheapest airlines offering connecting flights from Seattle - Tacoma Intl. (SEA) to San Antonio Intl. (SAT), with round-trip tickets starting from around $320. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.

The best time to fly from Seattle (SEA) to San Antonio (SAT) is typically in January or September. During these months, you can find return flights at around $286, making it a budget-friendly option. January is ideal as it follows the holiday rush, while September offers pleasant weather and fewer crowds, giving you a great travel experience.*Prices based on flights available on Expedia in the last year.

First class seats are offered on the SEA to SAT route. First class cabins are available on:

• American Airlines
• Delta Air Lines
• United Airlines

A direct, return business class ticket from Seattle (SEA) to San Antonio (SAT) typically costs between $1,173 and $1,808 per adult. A non-stop, one-way business class flight is usually around $1,283 to $1,558. This route offers a great opportunity to explore the rich history and culture of San Antonio. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Antonio, TX (SAT-San Antonio Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.

It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Antonio, TX (SAT-San Antonio Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.