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Seattle–Tacoma International Airport

Seattle, United States

North America

A major U.S. West Coast hub with strong trans-Pacific and Europe connectivity.

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Biirdee specializes in premium travel, with expert fare and miles hunters for business and first class flights. Our expert team has deep industry knowledge and exclusive partnerships that allow us to secure the best deals on luxury travel. With 24/7 concierge service and a proven track record of satisfied clients, we make premium travel accessible and stress-free.

Airlines

4 Major Carriers

Annual Passengers

45,500,000

Terminals

1 International Terminal

Timezone

America/Los_Angeles

Airlines Flying Nonstop from SEA

Who actually operates the nonstops from Seattle–Tacoma International Airport, from published airline schedules as of 2 September 2026— ranked by the number of destinations each airline serves without a stop. Pick an airline for its full list from the city.

Alaska Airlines112 nonstop destinationsDelta Air Lines64 nonstop destinationsSouthwest Airlineseconomy only16 nonstop destinationsAmerican Airlines7 nonstop destinationsFrontier Airlineseconomy only7 nonstop destinationsUnited Airlines7 nonstop destinationsAir Canada3 nonstop destinationsHainan Airlines3 nonstop destinationsHawaiian Airlines3 nonstop destinationsAeromexico2 nonstop destinationsJetBlueseasonal2 nonstop destinationsLufthansa2 nonstop destinations

Premium Features

  • Business Class Check-in
  • Priority Security
  • Fast Track Immigration
  • Premium Lounges
  • Priority Boarding
  • Duty Free Shopping
  • Currency Exchange
  • VIP Services
  • Airport Hotels
  • Premium Transfer Services
Show 18 more features
  • Baggage Wrapping Services
  • Lost and Found Services
  • Information Desks
  • Multi-language Support
  • Wi-Fi Access
  • Charging Stations
  • Children's Play Areas
  • Nursing Rooms
  • Medical Services
  • Prayer Rooms
  • Pet Relief Areas
  • Baggage Storage/Lockers
  • Car Rental Services
  • Public Transportation Links
  • Shuttle Services
  • Conference and Meeting Rooms
  • Art Exhibits
  • Local Coffee & Dining

Business Lounges

  • Delta Sky Club
  • United Club
  • The Club SEA

SEA Flights: Questions Answered

As of 2 September 2026, 37 airlines operate scheduled nonstop flights from Seattle–Tacoma International Airport (SEA). Ranked by nonstop destinations, the busiest are Alaska Airlines (112 destinations), Delta Air Lines (64), Southwest Airlines (16, economy only), American Airlines (7) and Frontier Airlines (7, economy only).
Seattle–Tacoma International Airport has scheduled nonstop service to 139 destinations as of 2 September 2026.
The business class lounges at Seattle–Tacoma International Airport that our guide lists are Delta Sky Club, United Club and The Club SEA. Which one your ticket opens depends on the airline, the cabin and your status; we tell you before you travel.

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Seattle–Tacoma International Airport• United States
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