AUS - SEA

$159 Find Cheap Flights from Austin to Seattle - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$276
Typical prices: $276-$470
Frontier
Mon 9/10Sun 9/16
AUS - SEA • 1 stop
Cheapest non-stop
$288
Typical prices: $277-$474
Alaska Airlines
Tue 12/4Sat 12/8
AUS - SEA • Non-stop
Nonstop flights
You can fly direct with Alaska Airlines, Delta and Southwest. Average duration is 4h 34m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 90% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 6 weeks in advance save around 53% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 36% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $314 (round-trip)
Shortest trip • 6h 00m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Seattle!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Austin to Seattle (AUS-SEA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Austin to Seattle

Sat, Sep 12 - Wed, Sep 16
Frontier Logo
3:32 pm - 9:42 amAUS  Austin Bergstrom-SEA Seattle/Tacoma Intl
20h 10m1 stop Las Vegas Harry Reid Intl
Frontier Logo
4:27 pm - 7:29 pmSEA  Seattle/Tacoma Intl-AUS Austin Bergstrom
25h 02m1 stop Denver Intl
$276Frontier
Thu, Sep 10 - Wed, Sep 16
Frontier Logo
11:04 pm - 9:42 amAUS  Austin Bergstrom-SEA Seattle/Tacoma Intl
12h 38m1 stop Las Vegas Harry Reid Intl
Frontier Logo
4:27 pm - 7:29 pmSEA  Seattle/Tacoma Intl-AUS Austin Bergstrom
25h 02m1 stop Denver Intl
$276Frontier
Mon, Sep 14 - Tue, Sep 15
Alaska Airlines Logo
7:59 pm - 2:39 pmAUS  Austin Bergstrom-SEA Seattle/Tacoma Intl
20h 40m1 stop San Diego
Alaska Airlines Logo
5:06 pm - 11:14 pmSEA  Seattle/Tacoma Intl-AUS Austin Bergstrom
4h 08mnonstop
$277Alaska Airlines
Tue, Oct 20 - Tue, Oct 20
Alaska Airlines Logo
6:00 am - 12:28 pmAUS  Austin Bergstrom-SEA Seattle/Tacoma Intl
8h 28m1 stop San Diego
Alaska Airlines Logo
5:08 pm - 11:14 pmSEA  Seattle/Tacoma Intl-AUS Austin Bergstrom
4h 06mnonstop
$277Alaska Airlines
Thu, Oct 1 - Wed, Oct 7
Multiple Airlines Logo
11:04 pm - 9:42 amAUS  Austin Bergstrom-SEA Seattle/Tacoma Intl
12h 38m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
11:50 am - 11:59 pmSEA  Seattle/Tacoma Intl-AUS Austin Bergstrom
10h 09m2 stops Sacramento Intl Portland
$277Multiple Airlines
Sat, Sep 19 - Wed, Sep 23
Multiple Airlines Logo
7:15 am - 7:10 pmAUS  Austin Bergstrom-SEA Seattle/Tacoma Intl
13h 55m2 stops Portland Sacramento Intl
Multiple Airlines Logo
9:45 pm - 11:15 amSEA  Seattle/Tacoma Intl-AUS Austin Bergstrom
11h 30m1 stop Las Vegas Harry Reid Intl
$277Multiple Airlines
Tue, Sep 15 - Wed, Sep 23
Delta Logo
6:11 pm - 8:48 pmAUS  Austin Bergstrom-SEA Seattle/Tacoma Intl
4h 37mnonstop
Delta Logo
11:00 am - 5:11 pmSEA  Seattle/Tacoma Intl-AUS Austin Bergstrom
4h 11mnonstop
$297Delta
Wed, Sep 16 - Mon, Sep 21
Delta Logo
6:09 am - 8:40 amAUS  Austin Bergstrom-SEA Seattle/Tacoma Intl
4h 31mnonstop
Delta Logo
5:50 pm - 11:55 pmSEA  Seattle/Tacoma Intl-AUS Austin Bergstrom
4h 05mnonstop
$297Delta
Mon, Sep 14 - Thu, Sep 17
Southwest Logo
7:20 pm - 9:45 pmAUS  Austin Bergstrom-SEA Seattle/Tacoma Intl
4h 25mnonstop
Southwest Logo
12:35 pm - 6:45 pmSEA  Seattle/Tacoma Intl-AUS Austin Bergstrom
4h 10mnonstop
$297Southwest
Mon, Nov 16 - Thu, Nov 19
Southwest Logo
3:55 pm - 6:35 pmAUS  Austin Bergstrom-SEA Seattle/Tacoma Intl
4h 40mnonstop
Southwest Logo
9:15 am - 3:15 pmSEA  Seattle/Tacoma Intl-AUS Austin Bergstrom
4h 00mnonstop
$297Southwest
Booking Insights

Price, demand and travel trends for Austin to Seattle flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Austin to Seattle with more confidence.

How much is a round-trip flight from Austin to Seattle?

Round-trip flights from Austin to Seattle start at $276. Prices are typical for this route right now, with typical round-trip fares ranging from $276 to $470. The lowest price found in the past 5 days was $276 on Frontier.

What's the cheapest day of the week to fly from Austin to Seattle?

Wednesday is the cheapest day of the week to fly from Austin to Seattle, it is 10% cheaper than the average day. Sunday is the most expensive day with flight prices 17% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Austin to Seattle?

  • January is the cheapest month to fly from Austin to Seattle at $235 round-trip.
  • July ($448) and June ($412) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 90% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Austin to Seattle the cheapest?

Flights from Austin to Seattle are cheapest 6 weeks before departure. Booking in this window typically costs about 53% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Austin to Seattle

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines, SEA and AUS

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Stefanie Waldek

Stefanie Waldek

Expert on Delta

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Key details for Austin to Seattle flights

Low season

February

Cheapest flight

$159
Best time to beat the crowds with an average 30% drop in price.
Most popular time to fly with an average 23% increase in price.
Flight from Austin to Seattle

When to book flights from Austin to Seattle

Are your dates flexible? Find out the best times to travel from Austin to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Austin to Seattle flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Are there any hotels near Seattle International Airport?

    Yes, there are many budget and luxury hotels. Some of the hotels include Red Lion Hotel which is approximately 1.2 miles from the airport and charges approximately $78 per night, Rodeway Inn which is approximately 0.9 miles away from the airport and charges approximately $56 per night, and Four Points which is located approximately 3.7 miles from the airport and charges approximately $97 per night—the list is endless.

  • Are there dining outlets at Austin airport?

    Yes, several restaurants are strategically located on different terminals some of the restaurants include Fara Cafe, Z café, and Starbucks just to mention a few.

  • Are accessible transportation facilities available at Seattle airport?

    Yes, this is one of the few airports which is friendly to disabled passengers. Wheelchair services are available free of charge at the airport but you will need to make a reservation before your arrival. Accessible taxis are also available at the airport to take you to your preferred destination. The taxis do charge a subsidized rate of $42 compared to normal taxis.

  • Is there a smoking area at Austin airport?

    The smoking areas are located outside the terminals.

  • What accessibility adaptations can I find at Austin-Bergstrom International Airport?

    AUS strives to make its airport welcoming and accessible to all. They have several accessibility services for those with mobility challenges, hearing and vision challenges, and challenges that are not visible or obvious, such as PTSD or autism. One such service is TSA Cares, which means that security officers are specially trained to provide care and help to those who need extra time and support as they negotiate security.

  • Does Seattle-Tacoma International Airport provide facilities for nursing moms?

    Yes. SeaTac provides several types of facilities for nursing moms. There is a Nursing Suite, which has a comfortable open area for nursing moms with more private sections, and there are also Nursing Rooms which can accommodate a family as mom takes care of the baby. Nursing moms can also take advantage of one of the several freestanding Mamava lactation pods located throughout the airport. Each of these units has seating, a fold-down table, an outlet, and more.

  • Where can I rent a car at Seattle-Tacoma International Airport?

    All SEA rental car agencies operate out of an a rental car facility located off site. You can catch a free shuttle to the rental car facility at either end of the arrivals curb. You can also take the free shuttle in the reverse direction when it is time for your return flight. Some rental car companies at SEA include Avis, Enterprise, Budget, SIXT, Hertz, and others.

  • How can I get from Seattle-Tacoma International Airport into downtown Seattle?

    You have a number of public transportation options for getting from SEA into downtown Seattle. There are several different bus options, or you could take the light link rail, a shuttle, a taxi, or a rideshare .

  • Does Austin-Bergstrom International Airport have an on-site hotel?

    Yes. If you are interested in staying as close to the airport as possible, consider booking the Hilton Austin Airport Hotel, located on airport grounds. This hotel, which used to be an airport command center, offers a free shuttle to the airport’s main Barbara Jordan Terminal.

  • Can I get a massage at Austin-Bergstrom International Airport before my flight to Seattle?

    If you would like to de-stress by getting a chair massage or a foot massage, you can visit one of the Knot Anymore massage retail outlets in the Barbara Jordan Terminal. There is one location under the stairs at Gate 7 and another by the elevator at Gate 13.

  • Which airlines offer extra legroom and free seat selection on Austin to Seattle flights?

    Among airlines operating Austin to Seattle flights:

    • Alaska Airlines: offers extra legroom; offers free seat selection
    • Delta: offers extra legroom; offers free seat selection
    • Southwest: offers free seat selection
    • American Airlines: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Austin to Seattle?

    3 airlines operate flights between Austin and Seattle. The airlines offering nonstop flights on this route include:
    • Alaska Airlines
    • Delta
    • Southwest

  • Which airports can I use when flying from Austin to Seattle?

    Flights from Austin to Seattle usually depart from Austin Bergstrom (AUS) and arrive at Seattle/Tacoma Intl (SEA).

  • Which airlines include bags at no extra cost on Austin to Seattle flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Alaska Airlines: a cabin bag and a checked bag in Economy Class
    • Delta: a cabin bag and a checked bag in Economy Class
    • Southwest: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Austin to Seattle?

    Four cabin classes are available on flights from Austin to Seattle:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How much can I save by taking a layover when flying from Austin to Seattle?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $314 round-trip via Denver Intl (DEN), compared to $368 for nonstop.

  • What is the standard checked-bag allowance on flights from Austin to Seattle?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Austin to Seattle?

    The Boeing 737 family is used most often on this route, operated mainly by American Airlines and Southwest. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

  • Which airports do connecting flights from Austin to Seattle pass through?

    One-stop flights from Austin to Seattle most commonly connect through:

    • Denver Intl (DEN) - 72% of one-stop connections
    • Portland (PDX) - 10% of one-stop connections
    • Dallas/Fort Worth (DFW) - 6% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 5% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Austin to Seattle?

    Yes. Being flexible with your travel dates can save you up to 23% on the Austin to Seattle route. Wednesday is the cheapest departure day at $331 round-trip on average, while Sunday is the most expensive at $429, a difference of $98. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • At what point is a flight considered delayed from Austin to Seattle?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Austin to Seattle route, 10% of flights were delayed in the past 3 months, with delays averaging 2 hours 24 minutes.

  • How are flight departures from Austin to Seattle spread across the day?

    Morning is the busiest departure period on Austin to Seattle flights, with 51% of flights leaving in that window. Evening departures account for 33%, night flights for 16%, and afternoon flights for 0%.

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Pike Place Market, Pier 66 and Lumen Field. These are among the most viewed places in Seattle on KAYAK.

  • How long is a flight from Austin to Seattle?

    A nonstop flight from Austin to Seattle takes 4h 34m, covering 1,768 miles.

  • What are the earliest and latest flights from Austin to Seattle?

    These are the earliest and latest flight times available from Austin to Seattle:

    • Earliest: departs at 6:00 am and lands at 10:34 am
    • Latest: departs at 7:20 pm and lands at 11:54 pm.

    The flight takes about 4h 34m.

  • How expensive are last-minute Austin to Seattle flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 80% above the route average of $365. Book 6 weeks before departure for the lowest fares.

  • Do I need a passport to fly from Austin to Seattle?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Austin to Seattle changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $276 to $1,087. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Austin to Seattle looking right now?

    One-way fares from Austin to Seattle are currently lower than usual. Average one-way flight prices are about $166, which is 33% below the typical average for this route.

  • How does Alaska Airlines’s on-time performance compare to other airlines on Austin to Seattle flights?

    Alaska Airlines is slightly above the route average for timely arrivals, while Delta has a lower on-time arrival rate. On-time arrival rates on Austin to Seattle flights are:

    • Alaska Airlines: 90% on time
    • Delta: 90% on time
    • Southwest: 82% on time

    Overall, flights on this route are on time 90% of the time on average.

  • How do delay rates compare for morning and evening flights from Austin to Seattle?

    Night flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • How much time can I save by choosing a different layover airport from Austin to Seattle?

    Flying via Dallas Love Field (DAL) gives the shortest average 1-stop total travel time at 6h 00m, compared with 6h 14m via Salt Lake City (SLC) and 6h 27m via Portland (PDX).

  • What is the time difference between Austin and Seattle?

    Seattle is 2 hours behind Austin (Pacific Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
    · Fox
    · Europcar
    · Thrifty
    · Budget
    · Dollar

  • How much should I expect to pay for a Austin to Seattle flight?

    Round-trip flights from Austin to Seattle range from $276 to $470, with an average of $365 over the past 12 months. Anything below $276 counts as a good deal.

  • Which airlines offer Wi-Fi on Austin to Seattle flights?

    Two airlines offer in-flight Wi-Fi on Austin to Seattle flights:

    • • Alaska Airlines
    • • Delta

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

Your guide to booking Austin to Seattle flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Sunday. On this route, Wednesday flights average $331 - about $98 less than Sunday (23% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 6 weeks before you fly. On this route, that window historically saves about 53% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Austin to Seattle trip for January. Fares historically average $235 round-trip in that month - typically $213 less than the most expensive month, which is July (based on the last 12 months).
  • If arriving on time is high on your priority list, Alaska Airlines is the strongest pick on this route. 90% of Alaska Airlines flights from Austin to Seattle arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 90%. When flights on this route do arrive late, the average delay is 2 hours 24 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
  • If you have the time, taking a 1-stop flight through Denver Intl Airport (DEN) can be cheaper than flying direct. The cheapest layover option averages $314 round-trip on this route - about $54 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.
    - Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport
    - Coast Gateway Hotel
    - Seattle Airport Marriott
  • The Austin Bergstrom airport is located approximately five miles southeast of Austin's downtown. You can easily access this airport via bus transport from Austin city where it will take you approximately 35min and you have to part with around $2 as bus fare.
  • Austin airport has different parking options to suit your needs. Some of the parking options include the red garage where you will pay approximately $25 per day, the economy garage option where you will pay approximately $8 per day, and the blue garage option where you pay approximately $15 per day. limited complimentary parking is available to vehicles that display a disabled veteran (DV) or military designation honors sticker. The complimentary parking is however limited and the terms and conditions fully apply.
  • There is a customer support center at the Seattle international airport. The customer support staff are highly professional and friendly. The staff will answer any question you may be having and aid you in navigating around the airport. It is advisable to directly contact your airline if you want to ask a question regarding the airline which may include wheelchair services and reservations among others.
  • The Austin airport (AUS) also has car rental services offered next to the covered parking area. All the companies which offer these services are not only reputable in the transport industry but also approved by the airport management. You may also book VIP limousine services to enhance your travel experience. The charges do vary starting from $51 depending on the destination, the transport company, and the vehicle you reserve.
  • You can download the Seattle airport application from the Google Play Store or Apple store to enhance your navigation around the airport. The application enables you to track flights, locate shopping and dining outlets, find parking spaces, and much more. You can also check for fast-moving lines. You can also locate different amenities by using the application.
  • The Austin-Bergstrom International Airport (AUS) features a landscaped and softly-lit Dog Walk, located pre-security. This relaxing facility includes a drinking fountain, dog waste baggies, and trash bins. Passengers can also find an outdoor patio pet relief area post-security.
  • As you wait for your flight to Seattle at AUS, you can catch live music performances weekdays from 3:00 pm to 5:00 pm. Local Austin musicians perform on the Asleep at the Wheel Stage at the Saxon Pub, located at Gate 19.
  • If you want to check your baggage at the Seattle-Tacoma International Airport (SEA), or SeaTac, so that you can start exploring Seattle hands-free right away, you can go to the Smarte Carte Baggage Storage, located at baggage claim between carousel 12 and 13. You can leave luggage as well as frozen or refrigerated items. Smarte Carte also rents wheelchairs and strollers.

Prefer to fly direct from Austin to Seattle?

 
Find which airlines fly direct from Austin Bergstrom Airport to Seattle/Tacoma Intl Airport, which days they fly and book direct flights.

Direct departures

Austin Bergstrom to Seattle/Tacoma Intl

Monday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Tuesday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Wednesday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Thursday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Friday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Saturday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Sunday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

See more direct flights

Direct returns

Seattle/Tacoma Intl to Austin Bergstrom

Monday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Tuesday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Wednesday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Thursday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Friday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Saturday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Sunday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

See more direct flights

Everything you need to know for your flight from Austin to Seattle

Other airlines flying from Austin to Seattle