£94 Cheap Flights from San Antonio (SAT) to Seattle (SEA)

View £94 flight on Sun, 30 Aug 2026Opens in a new window

Popular airlines from San Antonio International Airport (SAT) to Seattle-Tacoma International Airport (SEA)

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

Prices were available within the past 7 days and start at £94 for one-way flights and £338 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, 20 May - Wed, 27 May
SAT
San Antonio
SEA
Seattle
£338 Return, found 2 days ago
£338
Return
found 2 days ago
Select Alaska Airlines flight, departing Wed, 20 May from San Antonio to Seattle, returning Wed, 27 May, priced at £338 found 2 days ago
Alaska Airlines
Wed, 20 May - Wed, 27 May
SAT
San Antonio
SEA
Seattle
£357 Return, found 2 days ago
£357
Return
found 2 days ago
Select Alaska Airlines flight, departing Wed, 20 May from San Antonio to Seattle, returning Wed, 27 May, priced at £357 found 2 days ago
Alaska Airlines
Mon, 18 May - Mon, 25 May
SAT
San Antonio
SEA
Seattle
£379 Return, found 2 days ago
£379
Return
found 2 days ago
Select Alaska Airlines flight, departing Mon, 18 May from San Antonio to Seattle, returning Mon, 25 May, priced at £379 found 2 days ago
Alaska Airlines
Sun, 24 May - Mon, 1 Jun
SAT
San Antonio
SEA
Seattle
£380 Return, found 1 day ago
£380
Return
found 1 day ago
Select Alaska Airlines flight, departing Sun, 24 May from San Antonio to Seattle, returning Mon, 1 Jun, priced at £380 found 1 day ago
Alaska Airlines
Wed, 20 May - Wed, 27 May
SAT
San Antonio
SEA
Seattle
£387 Return, found 2 days ago
£387
Return
found 2 days ago
Select Alaska Airlines flight, departing Wed, 20 May from San Antonio to Seattle, returning Wed, 27 May, priced at £387 found 2 days ago
Alaska Airlines
Wed, 20 May - Wed, 27 May
SAT
San Antonio
SEA
Seattle
£393 Return, found 2 days ago
£393
Return
found 2 days ago
Select Alaska Airlines flight, departing Wed, 20 May from San Antonio to Seattle, returning Wed, 27 May, priced at £393 found 2 days ago
Alaska Airlines
Wed, 20 May - Wed, 27 May
SAT
San Antonio
SEA
Seattle
£400 Return, found 2 days ago
£400
Return
found 2 days ago
Select Alaska Airlines flight, departing Wed, 20 May from San Antonio to Seattle, returning Wed, 27 May, priced at £400 found 2 days ago
Alaska Airlines
Thu, 14 May - Thu, 21 May
SAT
San Antonio
SEA
Seattle
£405 Return, found 2 days ago
£405
Return
found 2 days ago
Select Alaska Airlines flight, departing Thu, 14 May from San Antonio to Seattle, returning Thu, 21 May, priced at £405 found 2 days ago
Alaska Airlines
Wed, 20 May - Wed, 27 May
SAT
San Antonio
SEA
Seattle
£409 Return, found 2 days ago
£409
Return
found 2 days ago
Select Alaska Airlines flight, departing Wed, 20 May from San Antonio to Seattle, returning Wed, 27 May, priced at £409 found 2 days ago
Alaska Airlines
Wed, 20 May - Wed, 27 May
SAT
San Antonio
SEA
Seattle
£412 Return, found 2 days ago
£412
Return
found 2 days ago
Select Alaska Airlines flight, departing Wed, 20 May from San Antonio to Seattle, returning Wed, 27 May, priced at £412 found 2 days ago

Find the cheapest month to fly from San Antonio (SAT) to Seattle (SEA)

May is typically the cheapest month to fly

From £135 - £250 per traveller.

Frequently asked questions

How much does a flight from San Antonio, TX (SAT-San Antonio Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
One-way flights typically cost between £268 and £1,118 and return flights often range between £268 and £1,118. 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 Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
What is the cheapest month to fly from San Antonio, TX (SAT-San Antonio Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
January is typically the cheapest month to fly from San Antonio, TX (SAT-San Antonio Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), with average return fares of approximately £389. This is about 21% lower than the average price throughout the year. January often sees lower prices because it falls after the busy holiday travel season, when demand for flights tends to decrease. Other cheap months to fly from San Antonio, TX (SAT-San Antonio Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) include August and September.
Which airlines fly direct from San Antonio, TX (SAT-San Antonio Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Enter SAT to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from San Antonio, TX (SAT-San Antonio Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from San Antonio, TX (SAT-San Antonio Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from San Antonio, TX (SAT-San Antonio Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best airline to fly with from San Antonio, TX (SAT-San Antonio Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will differ from traveller to traveller. If you like to fly early, AS offers early morning flights. If price is the most important factor, AS typically offers the lowest fares. WN offers the most daily flights from San Antonio, TX (SAT-San Antonio Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from San Antonio, TX (SAT-San Antonio Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
When looking for the best time to fly from San Antonio International Airport (SAT) to Seattle - Tacoma International Airport (SEA), it's all about balancing price and flight availability. Based on booking data from the past year, you'll find the cheapest flights in January and September, with average prices around £389. However, the most popular months for travel are July and August, which means plenty of flight options but potentially higher prices. Since there isn't a month that is both cheapest and most popular, you'll need to decide what's most important for your trip. If saving money is your priority, aim for January or September. If you need maximum flexibility with flight times, July and August will offer the most choices.
How many flights per day from San Antonio, TX (SAT-San Antonio Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are approximately 94 connecting flights per day from San Antonio Intl. (SAT) to Seattle - Tacoma Intl. (SEA). Some common connection points include Dallas-Fort Worth Intl. (DFW), Denver Intl. (DEN), and Love Field (DAL).
What is the earliest flight from San Antonio, TX (SAT-San Antonio Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from San Antonio International Airport (SAT) to Seattle - Tacoma International Airport (SEA) typically departs at approximately 5:00 AM local time. This flight is operated by American Airlines and involves a connection. This is a seasonal service active only in September. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from San Antonio, TX (SAT-San Antonio Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You'll typically find the most flights from San Antonio Intl. (SAT) to Seattle - Tacoma Intl. (SEA) on a Friday, with around 86 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines, Southwest Airlines, and Alaska Airlines. Flight options are notably more on Fridays compared to other days of the week.
What are the most popular departure times for flights from San Antonio, TX (SAT-San Antonio Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from San Antonio Intl. (SAT) to Seattle - Tacoma Intl. (SEA) are in the early morning, between 6am and 9am. About 33% of passengers prefer this time window. Many major carriers, including American Airlines, Delta Air Lines and Alaska Airlines, offer flights during this window. This timing works well for many travelers as it allows for an early start to your journey, getting you to your destination with plenty of day left.
How long does it take to fly from San Antonio, TX (SAT-San Antonio Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Flying nonstop from SAT to SEA takes around 4 hours 50 minutes, with the route covering approximately 1,773 miles. Flights with a layover typically take 1 hour 40 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from San Antonio, TX (SAT-San Antonio Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Select the "Business class" and "First class" filters when looking for SAT to SEA flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a San Antonio, TX (SAT-San Antonio Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a San Antonio, TX (SAT-San Antonio Intl.) to Seattle, WA (SEA-Seattle - Tacoma 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.
What airports do you fly into for Seattle from San Antonio Intl. (SAT)?
If you're planning to travel to Seattle from San Antonio Intl. (SAT), you can fly directly into Seattle - Tacoma Intl. (SEA) Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), George Bush Intercontinental (IAH), Love Field (DAL) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from San Antonio, TX (SAT-San Antonio Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from San Antonio, TX (SAT-San Antonio Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a San Antonio, TX (SAT-San Antonio Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a San Antonio, TX (SAT-San Antonio Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Antonio, TX (SAT-San Antonio Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your San Antonio, TX (SAT-San Antonio Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
San Antonio Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines
Return price
£338
Distance
2836 km
Average flight time
3 hours 52 mins

Book with confidence

Compare flights from San Antonio to Seattle easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from San Antonio to Seattle. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Seattle - Tacoma Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from San Antonio Intl. to Seattle - Tacoma Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from San Antonio Intl. (SAT) to Seattle - Tacoma Intl. (SEA)

The easiest way to view the best deals on flights from San Antonio to Seattle today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from San Antonio Intl. to Seattle - Tacoma Intl. start at just £338 and range up to £412.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near San Antonio and Seattle
  • booking your flight during May, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your San Antonio to Seattle flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from San Antonio Intl. to Seattle - Tacoma Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from San Antonio to Seattle easily and book with confidence

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