AUS - SEA

C$ 205 Find Cheap Flights from Austin to Seattle – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 382
Typical prices: C$ 380-C$ 648
Southwest
Sat 20/10Sun 21/10
AUS - SEA • 1 stop
Cheapest direct flights
C$ 383
Typical prices: C$ 382-C$ 653
Alaska Airlines
Mon 19/11Thu 22/11
AUS - SEA • Direct
Direct flights
You can fly direct with Alaska Airlines, Delta, and Southwest. Average duration is 4h 37m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 91% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers 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 C$ 439 (round-trip)
Shortest trip • 6h 00m (one-way)
Insights
Insights
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We hope you enjoy 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

Tue, 20 Oct - Wed, 21 Oct
Southwest Logo
5:55 p.m. - 11:00 p.m.AUS  Austin Bergstrom-SEA Seattle/Tacoma Intl
7h 05m1 stop Las Vegas Harry Reid Intl
Southwest Logo
8:55 a.m. - 3:00 p.m.SEA  Seattle/Tacoma Intl-AUS Austin Bergstrom
4h 05mdirect
C$ 382Southwest
Thu, 19 Nov - Sun, 22 Nov
Alaska Airlines Logo
7:07 p.m. - 9:45 p.m.AUS  Austin Bergstrom-SEA Seattle/Tacoma Intl
4h 38mdirect
Alaska Airlines Logo
8:00 a.m. - 2:10 p.m.SEA  Seattle/Tacoma Intl-AUS Austin Bergstrom
4h 10mdirect
C$ 383Alaska Airlines
Mon, 14 Dec - Fri, 25 Dec
Alaska Airlines Logo
7:30 p.m. - 10:02 p.m.AUS  Austin Bergstrom-SEA Seattle/Tacoma Intl
4h 32mdirect
Alaska Airlines Logo
5:06 p.m. - 11:09 p.m.SEA  Seattle/Tacoma Intl-AUS Austin Bergstrom
4h 03mdirect
C$ 387Alaska Airlines
Tue, 29 Sep - Fri, 2 Oct
Southwest Logo
4:15 p.m. - 6:40 p.m.AUS  Austin Bergstrom-SEA Seattle/Tacoma Intl
4h 25mdirect
Southwest Logo
12:25 p.m. - 12:45 a.m.SEA  Seattle/Tacoma Intl-AUS Austin Bergstrom
10h 20m1 stop San Jose
C$ 390Southwest
Tue, 13 Oct - Tue, 13 Oct
Alaska Airlines Logo
6:00 a.m. - 2:17 p.m.AUS  Austin Bergstrom-SEA Seattle/Tacoma Intl
10h 17m1 stop San Diego
Alaska Airlines Logo
5:08 p.m. - 11:14 p.m.SEA  Seattle/Tacoma Intl-AUS Austin Bergstrom
4h 06mdirect
C$ 394Alaska Airlines
Sun, 18 Oct - Tue, 20 Oct
Southwest Logo
5:40 a.m. - 9:50 a.m.AUS  Austin Bergstrom-SEA Seattle/Tacoma Intl
6h 10m1 stop Dallas Love Field
Southwest Logo
3:00 p.m. - 10:50 p.m.SEA  Seattle/Tacoma Intl-AUS Austin Bergstrom
5h 50m1 stop Phoenix Sky Harbor Intl
C$ 396Southwest
Fri, 9 Oct - Sun, 11 Oct
Alaska Airlines Logo
7:59 p.m. - 9:28 a.m.AUS  Austin Bergstrom-SEA Seattle/Tacoma Intl
15h 29m1 stop San Diego
Alaska Airlines Logo
8:15 a.m. - 2:35 p.m.SEA  Seattle/Tacoma Intl-AUS Austin Bergstrom
4h 20mdirect
C$ 398Alaska Airlines
Tue, 29 Sep - Tue, 29 Sep
Alaska Airlines Logo
6:02 a.m. - 2:39 p.m.AUS  Austin Bergstrom-SEA Seattle/Tacoma Intl
10h 37m1 stop San Diego
Alaska Airlines Logo
5:06 p.m. - 11:14 p.m.SEA  Seattle/Tacoma Intl-AUS Austin Bergstrom
4h 08mdirect
C$ 403Alaska Airlines
Fri, 12 Feb - Sat, 27 Feb
United Airlines Logo
6:20 p.m. - 10:59 p.m.AUS  Austin Bergstrom-SEA Seattle/Tacoma Intl
6h 39m1 stop Denver Intl
United Airlines Logo
3:30 p.m. - 12:25 a.m.SEA  Seattle/Tacoma Intl-AUS Austin Bergstrom
6h 55m1 stop San Francisco
C$ 407United Airlines
Sat, 24 Oct - Tue, 27 Oct
Alaska Airlines Logo
8:35 a.m. - 11:08 a.m.AUS  Austin Bergstrom-SEA Seattle/Tacoma Intl
4h 33mdirect
Alaska Airlines Logo
5:08 p.m. - 11:14 p.m.SEA  Seattle/Tacoma Intl-AUS Austin Bergstrom
4h 06mdirect
C$ 409Alaska Airlines
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 C$ 382. Prices are typical for this route right now, with typical round-trip fares ranging from C$ 380 to C$ 648. The lowest price found in the past 5 days was C$ 382 on Southwest.

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 and 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 C$ 324 round-trip.
  • July (C$ 618) and June (C$ 568) 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

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

C$ 205
Best time to beat the crowds (30% less expensive on average)
Most popular time to fly (23% more expensive on average)
Flights 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.

  • 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.

  • Which airlines are available on the route from Austin to Seattle?

    3 airlines operate flights between Austin and Seattle. The airlines offering direct 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 carry-on bag and a checked bag in Economy Class
    • Delta: a carry-on bag and a checked bag in Economy Class
    • American Airlines: a carry-on bag and a checked bag in Business Class

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

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

    Only Economy Class is available on flights from Austin to Seattle.

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

    On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 439 round-trip via Denver Intl (DEN), compared to C$ 507 for direct.

  • 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 C$ 48–C$ 138 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) – 73% of one-stop connections
    • Portland (PDX) – 9% of one-stop connections
    • Dallas/Fort Worth (DFW) – 6% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) – 4% 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 C$ 456 round-trip on average, while Sunday is the most expensive at C$ 591, a difference of C$ 135. 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 on the route 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 43% leaving in that window. Afternoon departures account for 29%, Evening flights for 28%, and Night flights for 0%.

  • Which popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Lumen Field, T-Mobile Park, and Seattle Waterfront. These are among the most viewed places in Seattle on KAYAK.

  • 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 10:37 am
    • Latest: departs at 7:50 pm and lands at 12:27 am.

    The flight takes about 4h 37m.

  • 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 C$ 503. Book 6 weeks before departure for the lowest fares.

  • How long does a flight from Austin to Seattle take?

    A direct flight from Austin to Seattle takes 4h 37m, covering 4,579 km.

  • 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 C$ 382 to C$ 1,249. That means the highest observed fare was about 3x 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 C$ 233, which is 32% 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: 91% on time
    • Delta: 89% on time
    • Southwest: 77% on time

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

  • 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 when travelling 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 C$ 5 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 C$ 380 to C$ 648, with an average of C$ 503 over the past 12 months. Anything below C$ 380 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 are flexible, aim for a Wednesday departure instead of Sunday. On this route, Wednesday flights average C$ 456 – about C$ 135 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 C$ 324 round-trip in that month – typically C$ 294 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. 91% 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 hours24 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 C$ 439 round-trip on this route – about C$ 68 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.
    - Seattle Airport Marriott
    - Coast Gateway Hotel
    - Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport
  • 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.

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 nonstop 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 nonstop flights

More options for your flight from Austin to Seattle

Complete your trip to Seattle with a hotel stay or car rental