Alaska AirlinesDepart11:33
Sat, Nov 14SUN → SEA
1h 58m · Direct
$310one way, per person
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- Cheapest fare
- $310
- Cheapest month
- November
- Direct flights
- Yes
- Flight time
- 1h 58m
Alaska Airlines · Sat, Nov 14
from $310
Alaska Airlines
760 km
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Cheapest month to fly from Sun Valley to Seattle
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
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About flights from Sun Valley to Seattle
Sun Valley (SUN) and Seattle (SEA) are about 760 km apart. Direct flights take around 1h 58m, and recent direct fares were with Alaska Airlines. Over the next few months, one-way fares start from $310, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Sun Valley to Seattle?
The cheapest one-way fare we've seen recently is $310 with Alaska Airlines, departing Saturday, November 14, 2026.
What is the cheapest month to fly from Sun Valley to Seattle?
November 2026 currently has the lowest fares, from $310 one way.
Are there direct flights from Sun Valley to Seattle?
Yes. Recent direct fares were with Alaska Airlines.
How long is the flight from Sun Valley to Seattle?
A direct flight takes about 1h 58m. Sun Valley and Seattle are around 760 km apart.
Which airlines fly from Sun Valley to Seattle?
Recent fares on this route were with Alaska Airlines.