An Alaska Airlines plane taking off with a snow-capped mountain in the background.

CA $180 Cheap Flights from Austin (AUS) to Seattle (SEA)

View CA $180 flight on Tue, Sep 8, 2026Opens in a new window

Popular airlines from Austin-Bergstrom International Airport (AUS) to Seattle-Tacoma International Airport (SEA)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Austin (AUS) to Seattle (SEA)

Prices were available within the past 7 days and start at CA $180 for one-way flights and CA $333 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Sep 12 - Sat, Sep 19
AUS
Austin
SEA
Seattle
CA $333 Roundtrip, found 1 day ago
CA $333
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Sep 12 from Austin to Seattle, returning Sat, Sep 19, priced at CA $333 found 1 day ago
Delta
Sat, Aug 22 - Sat, Aug 29
AUS
Austin
SEA
Seattle
CA $334 Roundtrip, found 4 days ago
CA $334
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Aug 22 from Austin to Seattle, returning Sat, Aug 29, priced at CA $334 found 4 days ago
Alaska Airlines
Sat, Oct 10 - Tue, Oct 27
AUS
Austin
SEA
Seattle
CA $362 Roundtrip, found 6 days ago
CA $362
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Oct 10 from Austin to Seattle, returning Tue, Oct 27, priced at CA $362 found 6 days ago
Alaska Airlines
Sat, Aug 22 - Tue, Sep 1
AUS
Austin
SEA
Seattle
CA $363 Roundtrip, found 6 days ago
CA $363
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Aug 22 from Austin to Seattle, returning Tue, Sep 1, priced at CA $363 found 6 days ago
Alaska Airlines
Sat, Nov 7 - Wed, Nov 11
AUS
Austin
SEA
Seattle
CA $375 Roundtrip, found 20 hours ago
CA $375
Roundtrip
found 20 hours ago
Select Alaska Airlines flight, departing Sat, Nov 7 from Austin to Seattle, returning Wed, Nov 11, priced at CA $375 found 20 hours ago
Alaska Airlines
Sat, Aug 22 - Sat, Aug 29
AUS
Austin
SEA
Seattle
CA $376 Roundtrip, found 4 days ago
CA $376
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Aug 22 from Austin to Seattle, returning Sat, Aug 29, priced at CA $376 found 4 days ago
Alaska Airlines
Tue, Sep 1 - Thu, Sep 10
AUS
Austin
SEA
Seattle
CA $377 Roundtrip, found 5 days ago
CA $377
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Sep 1 from Austin to Seattle, returning Thu, Sep 10, priced at CA $377 found 5 days ago
American Airlines
Wed, Oct 21 - Mon, Oct 26
AUS
Austin
SEA
Seattle
CA $402 Roundtrip, found 1 day ago
CA $402
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 21 from Austin to Seattle, returning Mon, Oct 26, priced at CA $402 found 1 day ago
Southwest Airlines
Thu, Aug 20 - Sat, Aug 22
AUS
Austin
SEA
Seattle
CA $517 Roundtrip, found 4 days ago
CA $517
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Thu, Aug 20 from Austin to Seattle, returning Sat, Aug 22, priced at CA $517 found 4 days ago
United
Thu, Aug 20 - Sat, Aug 22
AUS
Austin
SEA
Seattle
CA $692 Roundtrip, found 4 days ago
CA $692
Roundtrip
found 4 days ago
Select United flight, departing Thu, Aug 20 from Austin to Seattle, returning Sat, Aug 22, priced at CA $692 found 4 days ago

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city centre is 20 minutes. Flights from CA $489
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city centre20 min
Flights from CA $489

Find the cheapest month to fly from Austin (AUS) to Seattle (SEA)

September is typically the cheapest month to fly

From CA $322 - CA $390 per traveller.

Frequently asked questions

How much does a flight from Austin, TX (AUS) to Seattle, WA (SEA) cost?
You can find cheap one-way flights from CA $180 and cheap return flights from CA $333 AUS to SEA with Expedia. One-way flights typically cost between CA$290 and CA$951. 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 AUS to SEA ticket fares go up or down.
What is the cheapest month to fly from Austin, TX (AUS-Austin-Bergstrom Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The cheapest months to fly from AUS to SEA are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Austin, TX (AUS-Austin-Bergstrom Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are 4 airlines offering direct flights from Austin-Bergstrom Intl. (AUS) to Seattle - Tacoma Intl. (SEA). Here are some of the top carriers:
  • Delta operates 21 direct flights from Austin-Bergstrom Intl. (AUS) to Seattle - Tacoma Intl. (SEA) every week.
  • Starlux Airlines operates 14 direct flights from Austin-Bergstrom Intl. (AUS) to Seattle - Tacoma Intl. (SEA) every week.
  • Southwest Airlines operates 7 direct flights from Austin-Bergstrom Intl. (AUS) to Seattle - Tacoma Intl. (SEA) every week.
  • Qatar Airways operates 7 direct flights from Austin-Bergstrom Intl. (AUS) to Seattle - Tacoma Intl. (SEA) every week.
What is the cheapest airline that flies from Austin, TX (AUS-Austin-Bergstrom Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
American Airlines is one of the cheapest airlines offering nonstop return flights from Austin, TX (AUS-Austin-Bergstrom Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), with prices starting from around CA$396 for flights that can be booked for departure within the next year. Sun Country Airlines offers one of the cheapest connecting return flights from Austin, TX (AUS-Austin-Bergstrom Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) starting from around CA$442. These prices are per adult for economy/coach class. 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.
How do I find cheap flights from Austin, TX (AUS) to Seattle, WA (SEA)?
To find a cheap flight from Austin, TX (AUS) to Seattle, WA (SEA), 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best airline to fly with from Austin, TX (AUS-Austin-Bergstrom Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will differ from traveler to traveler. If you like to fly early, Delta offers early morning flights. If price is the most important factor, Southwest Airlines typically offers the lowest fares. Southwest Airlines offers the most daily flights from Austin, TX (AUS-Austin-Bergstrom 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Austin, TX (AUS-Austin-Bergstrom Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You'll find approximately 4 nonstop flights per day from Austin, TX (AUS-Austin-Bergstrom Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). For even more choices, look at flights that include layovers, as there are around 176 connecting flights per day. Some common connection points include Dallas-Fort Worth Intl. (DFW), Denver Intl. (DEN), and Los Angeles Intl. (LAX).
What is the earliest flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Austin-Bergstrom Intl. (AUS) to Seattle - Tacoma Intl. (SEA) typically departs around 5:00 AM local time. This flight is operated by American Airlines. This is a seasonal service, active only in October. An early departure like this can help you make the most of 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You'll find the most flights from Austin-Bergstrom Intl. (AUS) to Seattle - Tacoma Intl. (SEA) on a Thursday, with around 115 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Southwest Airlines, American Airlines, and Alaska Airlines. Flight schedules are fairly consistent throughout the week, with Thursdays having only slightly more options than other days.
What are the most popular departure times for flights from Austin, TX (AUS-Austin-Bergstrom Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Austin-Bergstrom Intl. (AUS) to Seattle - Tacoma Intl. (SEA) are in the early morning, from 6am to 9am. Many major carriers, including Alaska Airlines, Delta and Southwest Airlines, offer flights during this window. Many travellers prefer these times as it allows for an early start to their day in Seattle.
How long does it take to fly from Austin, TX (AUS-Austin-Bergstrom Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
When flying from Austin, TX (AUS-Austin-Bergstrom Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), you have a few options. A nonstop flight typically takes around 4 hours 48 minutes. If you opt for a one-stop flight, your travel time will be longer, usually around 9 hours 18 minutes. Flights with two or more stops generally take about 10 hours 48 minutes. The distance between these two cities is approximately 2,847 kilometers. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic.
Can you fly business or first class from Austin, TX (AUS-Austin-Bergstrom Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You can fly business class or first class between AUS and SEA. You can fly business class with Frontier Airlines and Delta.First class cabins are available on Alaska Airlines, Delta, United, and American Airlines.
How do I earn miles on a Austin, TX (AUS-Austin-Bergstrom Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Austin, TX (AUS-Austin-Bergstrom 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, WA (SEA) from Austin, TX (AUS)?
If you're planning to travel to Seattle from Austin-Bergstrom Intl. (AUS), you can fly directly into Seattle - Tacoma Intl. (SEA) which offers international flights and connections. Some flights may connect through major hubs like San Diego Intl. (SAN), Seattle - Tacoma Intl. (SEA), or Portland Intl. (PDX) 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Austin, TX (AUS-Austin-Bergstrom 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Austin, TX (AUS-Austin-Bergstrom 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 Austin, TX (AUS) to Seattle, WA (SEA)?
If you booked your Austin, TX (AUS) to Seattle, WA (SEA) 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
Austin-Bergstrom Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, United
Roundtrip price
CA $332
Distance
2829 km
Average flight time
2 hours 27 mins

Book with confidence

Austin to Seattle Flights

The easy way to book your flights from Austin to Seattle 

With Expedia, it’s simple to find and book flights to Seattle from Austin whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Seattle - Tacoma Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Austin to Seattle today, tomorrow, or this week.  

 

Save dollars with cheap flights from Austin-Bergstrom Intl., AUS to Seattle - Tacoma Intl., SEA 

Sort your search results by price to find great deals on your flight from Austin to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Austin currently is just CA $333 rising to CA $692.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Seattle  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Seattle from Austin 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Seattle with Expedia today.

Austin to Seattle Flights

Explore a world of travel with Expedia

*Available to Expedia members.