Cheap flights from Seattle to San Antonio
Cheap flight deals from Seattle to San Antonio
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 July 2025.
Popular in | December |
|---|---|
Cheapest in | January |
Average price | C$ 517 |
Good round-trip deal | C$ 549 or less |
Best time to book a flight from Seattle to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Seattle with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Seattle to San Antonio
How far ahead should I book a flight from Seattle to San Antonio?
Use this chart to determine the optimal time to book a round-trip flight from Seattle to San Antonio. Price data was last updated on 25 July 2025.
To ensure you get the cheapest price possible for a flight from Seattle to San Antonio, you should look to book at least 69 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Seattle to San Antonio?
Currently, July is the cheapest month in which you can book a flight from Seattle to San Antonio (average of C$ 325). Flying from Seattle to San Antonio in May is currently the most expensive (average of C$ 443). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SEA to SAT?
Find hourly flight availability from Seattle to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 July 2025.
It’s typically best to fly out from Seattle to San Antonio at noon. Doing so could potentially save you 29% on the flight price compared to flying in the morning, which is usually more expensive.
Weekly flight availability from Seattle to San Antonio
Explore weekly flight availability from Seattle to San Antonio. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 29 July 2025.
The most flights from SEA to SAT are scheduled on a Tuesday (7 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (1 on average).
What’s the top layover airport for flights from Seattle to San Antonio?
Share of one-stop round-trip flights from Seattle to San Antonio chosen by Cheapflights users in the past 12 months, using the same layover each way.
Los Angeles (LAX) – chosen by Cheapflights users on 50% of one-stop itineraries from Seattle to San Antonio on Cheapflights.
What’s the cheapest layover airport for flights from Seattle to San Antonio?
Average round-trip fare for 1-stop flights from Seattle to San Antonio, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Las Vegas (LAS) is the most affordable 1-stop option, with an average round-trip price of C$ 268.
What’s the fastest layover option from Seattle to San Antonio?
Shortest average travel time for 1-stop one-way flights from Seattle to San Antonio, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Los Angeles (LAX) have the shortest average one-way travel time for 1-stop routes: 5h 47m.
Which airport typically offers the quickest layover for flights from Seattle to San Antonio?
Average layover duration for 1-stop one-way flights from Seattle to San Antonio, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Los Angeles (LAX) offer the fastest connection on this route, with an average layover time of 2h 02m.
Related info for your journey
Find useful and relevant information for your journey from Seattle to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Seattle to San Antonio
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Seattle to San Antonio
Discover the top airline that operate flights from Seattle to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 29 July 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Seattle to San Antonio?
Deals for Seattle to San Antonio flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Seattle to San Antonio?
Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to San Antonio for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Seattle to San Antonio with no change fees?
Yes, we can. To see specific flights from Seattle to San Antonio with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Seattle to San Antonio become cheaper?
Not ready to book yet? You can track prices for flights from Seattle to San Antonio on Cheapflights with our Price Alert feature and get notified when better prices are available.