Austin to Seattle flights

Routavio compares airline fares from several flight booking sites. Search Austin to Seattle to see the lowest price before you book.

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Lowest fare seen

€97Seen on 14 Oct 2026

Last checked

29 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €97

Lowest observed

5 Dec 2026

Alaska Airlines · Non-stop · One way

Cheapest observed day · Last checked: 14 Oct 2026

Departure

19:09

When to fly

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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.

One-way fare

One-way fare · No data: click and we will search

Airlines seen: Alaska Airlines, American Airlines, Frontier Airlines, Southwest Airlines, United Airlines
Reported fastest flight: 4h 35m
Non-stop: Yes

Short answer

Routavio has seen Alaska Airlines fares from Austin to Seattle, non-stop. These are prices Routavio's searches returned on the dates shown, not quotes; run a live search for today's fare. Lowest fare seen: €97 on 14 Oct 2026.

About this route

Explore the fares we observed from Austin to Seattle. Prices move often, so pick your dates to see the latest options.

Route distance: 2,848 km
Reported fastest flight: 4h 35m
Alternative airports: BFI

Route-level information; individual journeys vary.
Published schedules report non-stop service with Alaska Airlines. Check current timetables.

A clearer picture of your fare

Observed, not guaranteed

Every price is a fare we actually saw, and it may change at any time.

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The price is final on the provider's site, where your booking is completed.

How our prices work

Airport to city: straight-line distance

Austin Bergstrom International Airport (AUS) → Austin, city gazetteer reference point (30.2672, -97.7431): ≈ 11 km.
King County International Airport - Boeing Field (BFI) → Seattle, city gazetteer reference point (47.6062, -122.3321): ≈ 9 km.
Seattle–Tacoma International Airport (SEA) → Seattle, city gazetteer reference point (47.6062, -122.3321): ≈ 18 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.

Frequently asked

How much was a flight from Austin to Seattle?

A fare of €97 was seen on 14 Oct 2026. Fares change, so search your dates for the current price.

Are there direct flights from Austin to Seattle?

Yes. Published schedules report non-stop flights on this route with Alaska Airlines.

Which airlines fly from Austin to Seattle?

Routavio has seen these carriers on the route: Alaska Airlines, American Airlines, Frontier Airlines, Southwest Airlines, United Airlines.

How long does the flight from Austin to Seattle take?

Across the 81 fares Routavio observed, the average journey time is 14h 23m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

How many of the observed Austin to Seattle fares were non-stop?

30 of the 81 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide