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Route overview: Seattle to Sun Valley (SUN) flight deals

Seattle → Sun Valley

Dec 21, 2026 · return Jan 4, 2027

SEA → SUN1 adulteconomyRound trip

2 flight options · 2 airlines

Nonstop flights

Mon, Dec 21 – Mon, Jan 4

Alaska Airlines
8:35 amSEA
1h 34m
Nonstop
11:09 amSUN
Alaska Airlines
7:59 pmSUN
1h 54m
Nonstop
8:53 pmSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

Delta Air Lines
10:05 amSEA
1h 55m
Nonstop
1:00 pmSUN
Alaska Airlines
7:59 pmSUN
1h 54m
Nonstop
8:53 pmSEA

Round-trip total · 1 adult · Taxes included

Make this trip yours

SEA ⇄ SUN

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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All dates for this routeDec 20, 2026 → Jan 3, 2027Dec 22, 2026 → Jan 5, 2027
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Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Route overview: Seattle to Sun Valley (SUN) flight deals

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-21 → 2027-01-04Alaska AirlinesAS2202 / AS2252$468.002026-10-29T01:16:43Z
2026-12-21 → 2027-01-04Delta Air Lines / Alaska AirlinesDL4009 / AS2252$489.002026-10-29T01:16:43Z

2026-12-21 → 2027-01-04 · $468.00

  • Alaska Airlines AS2202: SEA 2026-12-21 08:35:00 → SUN 2026-12-21 11:09:00; nonstop; 94 minutes. Local airport times.
  • Alaska Airlines AS2252: SUN 2027-01-04 19:59:00 → SEA 2027-01-04 20:53:00; nonstop; 114 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $489.00

  • Delta Air Lines DL4009: SEA 2026-12-21 10:05:00 → SUN 2026-12-21 13:00:00; nonstop; 115 minutes. Local airport times.
  • Alaska Airlines AS2252: SUN 2027-01-04 19:59:00 → SEA 2027-01-04 20:53:00; nonstop; 114 minutes. Local airport times.

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