Nonstop flights from Idaho Falls to Seattle
Alaska Airlines flies this route twice a day.
IDAIdaho Falls Regional
565 mi · 14 flights a week
SEASeattle-Tacoma International
When they leave
Idaho Falls time6:18a2:01pFirst departure 6:18 AM, last 2:01 PM
One morning flight at 6:18 AM, then one afternoon flight at 2:01 PM. Every flight runs daily.
Every flight
Earliest first
Schedules last checked Sep 8, 2026. Times are local.
Flying from Idaho Falls to Seattle
Alaska Airlines is the only airline flying nonstop from Idaho Falls to Seattle, twice a day on the Embraer 175.
The first arrival in Seattle is at 7:20 AM and the last at 3:07 PM. The flight covers 565 miles.
Flying back, Seattle to Idaho Falls has 14 nonstop flights a week.
Return flights
More from Idaho Falls
Find the cheapest day to fly from Idaho Falls to Seattle.
Schedules as of Oct 9, 2026.