Direct (nonstop) flights from Seattle to Sun Valley
2 airlines fly nonstop from Seattle Tacoma International (SEA) to Friedman Mem (SUN). It's 473 miles (762 km), about 1h 35m in the air. Operated by Alaska Airlines, Delta Air Lines.
Alaska Airlines
Delta Air Lines
Route data last updated: May 28, 2026
Airlines with non-stop flights
AS
Alaska Airlines
DL
Delta Air Lines
Alternative Routes
Other ways to fly from Seattle to Sun Valley with one stop · direct emits 88 kg CO₂ per passenger
Looking for the return flight?
SUN → SEA: Flights from Sun Valley to SeattleOther direct flights from Seattle
Direct flights from Sun Valley (SUN)
Frequently Asked Questions
How long is the direct flight from Seattle to Sun Valley?
A nonstop flight from Seattle (SEA) to Sun Valley (SUN) takes approximately 1 hours and 35 minutes. The distance is 473 miles (762 km).
Which airlines fly nonstop from Seattle to Sun Valley?
2 airlines: Alaska Airlines, Delta Air Lines.
Is there a nonstop flight from Seattle to Sun Valley?
Yes. 2 airlines: Alaska Airlines, Delta Air Lines.
How far is Seattle from Sun Valley?
The flight distance from Seattle to Sun Valley is 473 miles (762 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as Mumbai to Goa.
What type of aircraft flies from Seattle to Sun Valley?
At 1h 35m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Seattle to Sun Valley?
Roughly 88 kg CO2 per passenger one-way. That's about the same as driving 440 km.
Is the return flight from Sun Valley to Seattle also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Seattle to Sun Valley?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Seattle Tacoma International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.