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Seattle-Tacoma International Airport in Seattle, United States has 131 nonstop destinations in FlightQ's current schedule set. This page ranks named carriers by how many destinations they serve from SEA, with top routes and scheduled flight counts.
Schedule snapshot checked Aug 17, 2026.
The broadest named carrier from SEA is Alaska Airlines, with 102 nonstop destinations in this data set. Popular destinations from the airport include Los Angeles (LAX), Anchorage (ANC), Denver (DEN), and San Francisco (SFO).
| Airline | Destinations | Flights | Top routes |
|---|---|---|---|
| Alaska Airlines | 102 | 2,427 | |
| Delta Air Lines | 57 | 1,156 | |
| Southwest Airlines | 15 | 225 | |
| United Airlines | 9 | 225 | |
| American Airlines | 8 | 187 | |
| Frontier Airlines | 4 | 35 | |
| Empire Airlines | 4 | 23 | |
| Air Canada | 2 | 35 | |
| JetBlue | 2 | 19 | |
| Aeromexico | 2 | 14 | |
| Lufthansa | 2 | 12 | |
| Icelandair | 1 | 20 | |
| WestJet | 1 | 20 | |
| Envoy Air | 1 | 15 | |
| British Airways | 1 | 14 | |
| Volaris | 1 | 13 | |
| EVA Air | 1 | 12 | |
| Korean Air | 1 | 11 | |
| Sun Country Airlines | 1 | 10 | |
| Turkish Airlines | 1 | 9 | |
| Virgin Atlantic | 1 | 8 | |
| Aer Lingus | 1 | 7 | |
| Air France | 1 | 7 | |
| All Nippon Airways | 1 | 7 | |
| China Airlines | 1 | 7 | |
| Condor | 1 | 7 | |
| Emirates | 1 | 7 | |
| Japan Airlines | 1 | 7 | |
| Qatar Airways | 1 | 7 | |
| Starlux | 1 | 7 | |
| Asiana Airlines | 1 | 5 | |
| Cathay Pacific | 1 | 5 | |
| Philippine Airlines | 1 | 5 | |
| Singapore Airlines | 1 | 5 | |
| SAS Scandinavian Airlines | 1 | 4 | |
| Hainan Airlines | 1 | 2 | |
| Horizon Air | 1 | 2 |
Flight counts are the scheduled rows captured in the current sample window, not annual totals. The destination count is a better comparison for network breadth.
Alaska Airlines has the broadest named-carrier coverage in FlightQ's current SEA schedule set, with 102 nonstop destinations listed here.
FlightQ currently identifies 37 airlines serving 131 nonstop destinations from SEA.
Airlines add, pause, and retime routes seasonally. This page is built from FlightQ's current schedule capture, so use it for route research and confirm exact dates before booking.