Direct flights from Seattle to Sun Valley
All flights from SEA to SUN non-stop. There are direct flights from Seattle Tacoma International (SEA), Washington, USA to Friedman Mem (SUN), Idaho, USA with Alaska Airlines and Delta Air Lines. 15 weekly departures are currently scheduled on this route. Departure times range from 07:00 to 16:25 depending on the schedule period. The flight distance is 476 miles (766 km). Flight time ranges from 1 hour and 33 minutes to 1 hour and 52 minutes.
Seattle
, USA
Flight schedule from Seattle to Sun Valley with Alaska Airlines
This is a weekly direct flight schedule for Alaska Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-07-13
Flight schedule from Seattle to Sun Valley with Delta Air Lines
This is a weekly direct flight schedule for Delta Air Lines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at
Seattle to Sun Valley scheduled departures
Select a date to see every published non-stop departure between SEA and SUN.
SEA - SUN route facts
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Distance476 miles (766 km)
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Flight time1 hour and 33 minutes to 1 hour and 52 minutes
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Airlines Alaska Airlines
Delta -
Airline alliancesoneworld SkyTeam
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CabinsEconomy First
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Hub airportsAlaska Airlines: SEA (Primary hub.)Delta Air Lines: SEA
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AircraftAlaska Airlines: Embraer 175Delta Air Lines: Embraer 175 (Enhanced Winglets)
Route FAQ
Direct flights from Seattle to ID, USA
From Seattle to Idaho Falls
IDA Idaho Falls Rgnl
From Seattle to Boise
BOI Boise Air Terminal
From Seattle to Lewiston
LWS Lewiston Nez Perce Co
