# Idaho Falls to Seattle flights

Page: https://www.routavio.com/flights/idaho-falls-to-seattle

## About this route

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

- Route distance: 922 km
- Fastest observed flight time: 1h 56m
- Airlines seen: Alaska Airlines, Allegiant Air
- Alternative airports: BFI

- Cheapest checked fare: €120 one way (checked 5 Nov 2026, departing 8 Jan 2027)

## Frequently asked

### How much is a flight from Idaho Falls to Seattle?

The lowest fare Routavio has observed is €120, found on 5 Nov 2026.

### Are there direct flights from Idaho Falls to Seattle?

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

### Which airlines fly from Idaho Falls to Seattle?

Routavio has seen these carriers on the route: Alaska Airlines, Allegiant Air.

### How long does the flight from Idaho Falls to Seattle take?

Across the 111 fares Routavio observed, the average journey time is 6h 51m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

### How many of the observed Idaho Falls to Seattle fares were non-stop?

48 of the 111 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.

Route data last updated by Routavio on 6 November 2026