Your next trip, last seen at €85
Lowest observedFrontier Airlines · 1 stop · One wayWhen 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
- Lowest observed
- €85, departing 11 Jan 2027 (Last checked: 21 Oct 2026)One-way fareCheck live prices for this route
- Airlines seen
- Alaska Airlines, Frontier Airlines, United Airlines
- Reported fastest flight
- 4h 03m
- Non-stop
- Yes
About this route
Explore the fares we observed from Seattle to Austin. Prices move often, so pick your dates to see the latest options.
- Route distance
- 2,848 km
- Reported fastest flight
- 4h 03m
- 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
Non-stop airlines seen on this route
| Airline | Non-stop days / priced days | Fastest non-stop |
|---|---|---|
| Alaska Airlines | 38 / 85 |
Departure days with a non-stop fare checked in the last 14 days. A carrier listed here had a non-stop fare on at least 3 days; schedules may differ.
Airport to city: straight-line distance
- 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.
- Austin Bergstrom International Airport (AUS) → Austin, city gazetteer reference point (30.2672, -97.7431): ≈ 11 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.
Lowest one-way fare we saw per airline
Cheapest airline from Seattle to Austin: Frontier Airlines, from €85 (checked 21 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Frontier Airlines | €85Jan 11, 2027 | 39 |
| Alaska Airlines | €104Jan 5, 2027 | 44 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Seattle to Austin?
The lowest fare Routavio has observed is €85, found on 21 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Seattle to Austin?
In our observations January 2027 is the cheapest month so far, at €85.
Are there direct flights from Seattle to Austin?
Yes. Published schedules report non-stop flights on this route with Alaska Airlines.
Which airlines fly from Seattle to Austin?
Routavio has seen these carriers on the route: Alaska Airlines, Frontier Airlines, United Airlines.
How long does the flight from Seattle to Austin take?
Across the 91 fares Routavio observed, the average journey time is 12h 23m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Seattle to Austin fares were non-stop?
38 of the 91 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
Which airlines had non-stop offers on at least 3 departure dates from Seattle to Austin?
For Seattle to Austin, examples of observed one-way non-stop offers checked within the last 14 days: Alaska Airlines (38). Each number counts distinct departure dates, not weekly flights; check current availability in search.
Which airline has the lowest fare from Seattle to Austin?
Cheapest airline from Seattle to Austin: Frontier Airlines, from €85 (checked 21 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
Keep exploring
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Recently observed fares. Prices may change.
Last checked: 29 Oct 2026