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Local time zone: America/Los_Angeles
Seattle-Tacoma International Airport (SEA) had nonstop service to 131 destinations on 37 airlines in our August 17, 2026 departure snapshot. The busiest route was to Los Angeles (LAX), served by 5 carriers, and the largest operator here was Alaska Airlines with nonstops to 102 destinations. 31 of those routes were international.
Route data as of August 17, 2026, based on a 7-day departures sample. Routes may have changed since this snapshot.
This schedule snapshot includes nonstop flights from SEA to 131 destinations, including 31 international routes. The snapshot shows about 654 flights per day across those routes. The busiest options start with Los Angeles (LAX), Anchorage (ANC), Denver (DEN).
All airports near Seattle (5 compared) →
31 international routes in this schedule set
United States 100 · Canada 6 · Mexico 3
23-24/day on 5 airlines
Boeing 737 · Embraer E-Jet · Airbus A320 family
These routes have enough tracked flights or schedule depth for a full guide with duration, distance, airlines, aircraft, and frequency.
Seattle to Dubai · AE
Los Angeles · 955 mi
Amsterdam · 4,872 mi
Chicago · 1,716 mi
Dallas · 1,658 mi
Austin · 1,769 mi
Houston · 1,873 mi
San Diego · 1,052 mi
Ranked by destinations served, then daily frequency.
+5 more SEA routes on United Airlines — use the full route directory for every destination.
+4 more SEA routes on American Airlines — use the full route directory for every destination.
Ranked by airlines operating the route. Routes with enough tracked data or schedule depth link to full route guides.
Showing the 60 busiest destinations. Browse all 131 SEA nonstop destinations →
Seattle-Tacoma International Airport (SEA / KSEA) is located in Seattle, United States.
The IATA code is SEA. The ICAO code is KSEA.
The busiest scheduled route from SEA in our August 17, 2026 departure data was SEA to LAX (Los Angeles), with 23-24/day across 5 airlines.
Alaska Airlines was the largest operator in our SEA schedule data, serving 102 destinations with 346-347/day.
This schedule snapshot includes 31 international routes and 100 domestic routes from SEA.
37 airlines operated at SEA in our August 17, 2026 snapshot. Top carriers include Alaska Airlines, Delta Air Lines, Southwest Airlines, United Airlines, American Airlines.
This schedule snapshot includes direct flights from SEA to 131 destinations including Los Angeles, Anchorage, Denver, San Francisco, Portland.
View live arrivals and departures at SEA on FlightRadar24.
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