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Alaska · Seattle–Tacoma International Airport · SEA

Alaska nonstop flights from Seattle

104 nonstop destinations on Alaska out of SEA — 53% of everything that departs. Zero layovers, zero connections.

104
Nonstop cities
53%
of SEA departures
2147
Flights / week
SEA
Your origin

Where Alaska can take you

Dashed arcs = Alaska nonstop routes from SEA · updates with the day filter
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All nonstop destinations from Seattle (SEA) every airline, not just Alaska

Everywhere Alaska flies 137 airports

Alaska flight numbers from Seattle (SEA)

Each one's timetable, usual aircraft and how it ran in our sample — 12 of the 199 we cover from SEA, flown most days first.

AS424 to Dallas-Fort Worth AS505 to Los Angeles AS725 to San Francisco AS16 to New York AS248 to Boise AS288 to Boston AS761 to Portland AS606 to Phoenix AS610 to Palm Springs AS4 to Washington AS572 to Raleigh/Durham AS245 to Kahului All 691 Alaska flight numbers →

Where can you fly nonstop on Alaska from Seattle (SEA)?

Alaska flies 104 nonstop routes from Seattle–Tacoma International Airport (SEA), around 2147 departures a week — 53% of everything leaving SEA.

Its busiest is Seattle to Anchorage at 98 Alaska flights a week. 46 of these 104 destinations have no other nonstop operator from SEA, so Alaska is the only way to reach them without a connection.

Use the day filter above to see which Alaska routes fly on the day you want to travel. Route data updated November 2026 from observed departures.

Frequencies shown are Alaska's own departures, counted from observed schedules. Schedules change — always confirm with the airline before booking.