Find Cheap Flights from Austin to Seattle (AUS - SEA)

Flights overview

Useful information for finding cheap flights from Austin to Seattle and booking your next trip

Cheapest round-trip flights	$230	Frontier 1 stop 30 hr Thu, Jul 30 — Wed, Aug 5	The cheapest round-trip flight from Austin to Seattle is currently $230
Cheapest one-way flight	$111	Frontier 1 stop 14 hr Wed, Jun 3	The cheapest one-way flight from Austin to Seattle is currently $111
Cheapest nonstop flights	$357	Delta Nonstop 5 hr Thu, Jul 30 — Wed, Aug 5	The cheapest nonstop round-trip flight from Austin to Seattle is currently $357
Last-minute weekend getaway	$315	Frontier 1 stop 14 hr Thu, May 7 — Mon, May 11	The cheapest last-minute weekend getaway from Austin to Seattle is currently $315
Cheapest business class flights	$488	Frontier 1 stop 30 hr Thu, Jul 30 — Wed, Aug 5	The cheapest business class round-trip flight from Austin to Seattle is currently $488

Fastest flight	4 hr 20 min	The fastest nonstop flight from Austin to Seattle takes 4 hr 20 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Austin to Seattle is typically September. The most expensive month to fly is typically July.

September Cheapest	Typical prices: $145–260
July Most expensive	Typical prices: $245–340

Popular airlines from Austin to Seattle

Delta

Nonstop

from $298

Typical price: $235–620

20 weekly nonstop flights

AUS - SEA Every day

285 weekly connecting flights

AUS - SEA Every day
Alaska

Nonstop

from $357

Typical price: $235–610

21 weekly nonstop flights

AUS - SEA Every day

119 weekly connecting flights

AUS - SEA Every day
Southwest

from $298

Typical price: $255–600

491 weekly connecting flights

AUS - SEA Every day
American

from $274

Typical price: $255–610

368 weekly connecting flights

AUS - SEA Every day
United

from $357

Typical price: $235–600

303 weekly connecting flights

AUS - SEA Every day
Frontier

from $230

Typical price: $205–435

22 weekly connecting flights

AUS - SEA Every day

Popular airports near Austin

Austin-Bergstrom International Airport (AUS)

Austin United States 24 min 6 mi
Dallas Fort Worth International Airport (DFW)

Dallas United States 3 hr 14 min 186 mi
George Bush Intercontinental Airport (IAH)

Houston United States 2 hr 44 min 144 mi
San Antonio International Airport (SAT)

San Antonio United States 1 hr 16 min 66 mi

Popular airports near Seattle

Seattle-Tacoma International Airport (SEA)

Seattle United States 18 min 11 mi
Portland International Airport (PDX)

Portland United States 2 hr 44 min 140 mi
Paine Field (PAE)

Everett United States 31 min 21 mi
King County International Airport - Boeing Field (BFI)

Seattle United States 11 min 5 mi

Frequently asked questions about flying from Austin to Seattle

The cheapest flights from Austin to Seattle are usually in September. Typical ticket prices in September range from $145 to $260.

The cheapest round-trip flight from Austin to Seattle recently found on Google Flights was with Frontier from $230. The cheapest one-way flight was with Frontier from $111.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Delta flight from Austin to Seattle is $298, flying from Jun 22 to Jul 1.
The cheapest Alaska flight from Austin to Seattle is $357, flying from Jul 31 to Aug 6.
The cheapest Southwest flight from Austin to Seattle is $298, flying from Jun 1 to Jun 9.
The cheapest American flight from Austin to Seattle is $274, flying from May 28 to Jun 3.
The cheapest United flight from Austin to Seattle is $357, flying from Jul 30 to Aug 5.
The cheapest Frontier flight from Austin to Seattle is $230, flying from Jul 30 to Aug 5.

The cheapest round-trip flight from Austin to Seattle starts at $230 from Thu, Jul 30 to Wed, Aug 5. The cheapest one-way flight starts at $111 and departs on Wed, Jun 3.

4 hr 20 min is the shortest flight time from Austin to Seattle.

Most visitors come May–Sep, a period encompassing events such as the Seattle International Film Festival (May); Seafair (Jul), a summer festival including boat races, marathons and parades; and Bumbershoot (Sep), an international music and arts festival. Rainy season is Nov–May, though rain is possible year-round.

It's easy to use Google Flights to find the cheapest days to fly from Austin to Seattle.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Austin to Seattle really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Austin to Seattle.

In terms of nonstop flights, Alaska is the most popular. Alaska offers 21 nonstop flights and 119 connecting flights per week. Alaska flies from Austin-Bergstrom International Airport (AUS) to Seattle-Tacoma International Airport (SEA) .

In terms of flights, Southwest is the most popular. Southwest offers 491 connecting flights per week. Southwest flies from Austin-Bergstrom International Airport (AUS) to Seattle-Tacoma International Airport (SEA) .

Other popular airlines flying from Austin to Seattle are:

Delta offers 20 nonstop flights and 285 connecting flights per week. Delta flies from Austin-Bergstrom International Airport (AUS) to Seattle-Tacoma International Airport (SEA) .
American offers 368 connecting flights per week. American flies from Austin-Bergstrom International Airport (AUS) to Seattle-Tacoma International Airport (SEA) .
United offers 303 connecting flights per week. United flies from Austin-Bergstrom International Airport (AUS) to Seattle-Tacoma International Airport (SEA) .
Frontier offers 22 connecting flights per week. Frontier flies from Austin-Bergstrom International Airport (AUS) to Seattle-Tacoma International Airport (SEA) .

The number of connecting flights refers to distinct flights with at least one stop between Austin and Seattle.

The cheapest round-trip flight from Austin to Seattle recently found on Google Flights was with Frontier from $230. The cheapest one-way flight was with Frontier from $111.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Delta flight from Austin to Seattle is $298, flying from Jun 22 to Jul 1.
The cheapest Alaska flight from Austin to Seattle is $357, flying from Jul 31 to Aug 6.
The cheapest Southwest flight from Austin to Seattle is $298, flying from Jun 1 to Jun 9.
The cheapest American flight from Austin to Seattle is $274, flying from May 28 to Jun 3.
The cheapest United flight from Austin to Seattle is $357, flying from Jul 30 to Aug 5.
The cheapest Frontier flight from Austin to Seattle is $230, flying from Jul 30 to Aug 5.

Alaska and Delta fly direct from Austin to Seattle.

There are 20 Delta direct flights from Austin to Seattle per week. Flights are available every day.
There are 21 Alaska direct flights from Austin to Seattle per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Austin and Seattle at price $315 is offered by Frontier from Thu, May 7 to Mon, May 11.

Alaska and Delta fly direct from Austin to Seattle.

There are 20 Delta direct flights from Austin to Seattle per week. Flights are available every day.
There are 21 Alaska direct flights from Austin to Seattle per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are direct flights from Austin to Seattle on a daily basis.

The cheapest direct (nonstop) round-trip flights between Austin and Seattle start at $357 from Thu, Jul 30 to Wed, Aug 5 with Delta.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Austin to Seattle, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Austin and Seattle start at $488 from Thu, Jul 30 to Wed, Aug 5 with Frontier.

The cheapest economy class round-trip flights between Austin and Seattle start at $230 from Thu, Jul 30 to Wed, Aug 5.

To book business class trips from Austin to Seattle, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Austin and Seattle starts at $315 from Thu, May 7 to Mon, May 11 with Frontier.

The cheapest last-minute deal between Austin and Seattle at price $315 is offered by Frontier from Thu, May 7 to Mon, May 11.

To find last-minute flight deals from Austin to Seattle, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.