Major international hub · Seattle, Washington
Seattle-Tacoma International Airport (SEA)
A hub for Delta Air Lines and Alaska Airlines. Compare flights from and to SEA, see which airlines fly nonstop, and find the cheapest month to travel.
SEA at a glance
- IATA / ICAO
- SEA / KSEA
- City
- Seattle, Washington
- Time zone
- America/Los Angeles (UTC−7)
- Airport size
- Major international hub
- Coordinates
- 47.450, -122.309
- Country
- United States
Popular routes from SEA
- Seattle to Los AngelesSEA → LAXfrom $82
- Seattle to San FranciscoSEA → SFOfrom $80
- Seattle to HonoluluSEA → HNLfrom $270
- Seattle to AnchorageSEA → ANCfrom $117
- Seattle to VancouverSEA → YVRfrom $89
- Seattle to TokyoSEA → NRTfrom $395
- Seattle to SeoulSEA → ICN
- Seattle to New YorkSEA → JFK
- Seattle to NewarkSEA → EWR
Airlines at SEA
Hub airlines first, then carriers with nonstop routes from this airport.
- DLDelta Air LinesHub airline
- ASAlaska AirlinesHub airline
- AAAmerican AirlinesNonstop routes
- UAUnited AirlinesNonstop routes
- WNSouthwest AirlinesLow-cost carrier
- B6JetBlueNonstop routes
- NKSpirit AirlinesLow-cost carrier
- MXBreeze AirwaysLow-cost carrier
- F9Frontier AirlinesLow-cost carrier
- HAHawaiian AirlinesNonstop routes
- G4Allegiant AirLow-cost carrier
- SYSun Country AirlinesLow-cost carrier
- ACAir CanadaNonstop routes
- WSWestJetNonstop routes
- JLJapan AirlinesNonstop routes
- NHANA All Nippon AirwaysNonstop routes
SEA: common questions
Which airlines fly from SEA?
Delta Air Lines, Alaska Airlines, American Airlines, United Airlines and Southwest Airlines and others serve Seattle-Tacoma International Airport. Delta Air Lines and Alaska Airlines use SEA as a hub, so expect the widest choice of nonstop routes from them.
Is SEA a hub airport?
Yes — Seattle-Tacoma International Airport is a hub or focus city for Delta Air Lines and Alaska Airlines, which means frequent departures and many connecting itineraries pass through it.
How early should I arrive at SEA?
Plan on two hours before a domestic departure and three hours before an international one — security lines at large airports like SEA can stretch to 30 minutes or more at peak times. TSA PreCheck or CLEAR typically saves 15–30 minutes.