Seattle (SEA) — 156 Flight Routes & Destinations
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Hub Brief
Plan your next trip from Seattle
156 Destinations
Airlines
4 Continents
5,849 Weekly Flights
Seattle–Tacoma International Airport (SEA) connects to 156 destinations (118 domestic, 38 international) across 4 continents, served by airline including Alaska, Delta and Air France. With 5,849 weekly departures, you have plenty of options for schedule flexibility.
Terminal Guides
Coming soon
Dining & Amenities
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Lounge Reviews
Coming soon
Nearby
How does SEA compare?
Alternative airports within 150 miles of Seattle–Tacoma International Airport.
| Metric | SEA | PAE | BLI | YYJ | YVR | PDX |
|---|---|---|---|---|---|---|
| Distance | — | 32 mi | 94 mi | 98 mi | 127 mi | 129 mi |
| Nonstop Routes | 156 | 22 | 6 | 26 | 144 | 110 |
| International | 38 | 2 | — | 11 | 94 | 13 |
| Airlines | 48 | — | — | — | — | — |
| Passengers/yr | 52.6M | 552K | 533K | 1.9M | 26.5M | 17.3M |
Flights from Everett (PAE) · Flights from Bellingham (BLI) · Flights from Victoria (YYJ) · Flights from Vancouver (YVR) · Flights from Portland (PDX)
* Includes airports with 500,000+ annual passengers within 150 miles. Route and airline counts are based on currently published schedule data.
Performance
On-Time Performance
On-time ≥75%
Fair 60–74%
Poor <60%
Key Metrics
SEA Average
75%
National Avg
Airline Rankings at SEA
* Top 10 airlines by departure on-time performance at SEA (rolling 7-day window, 10+ flights). View full delay data →
Seasonal
Seasonal & New Routes
Recently launched and seasonal services from SEA.
* Showing 12 of seasonal and new routes.
Distance
Routes by Distance
Distance breakdown of all routes from SEA.
Schedule
Schedule Overview
Weekly flight schedule summary from SEA.
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Daily routes
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Weekend only
Facts
Seattle–Tacoma International Airport: Quick Facts
Comprehensive reference for SEA airport information.
Location
City
Seattle, WA
Country
US
Coordinates
47.4479°N, 122.3103°W
Elevation
433 ft / 132 m
Timezone
America/Boise
Airport Codes
IATA
SEA
ICAO
KSEA
FAA LID
SEA
Capacity & Traffic
Annual Passengers
52,640,716
Daily Flights (avg)
~
World Rank
#34 by passengers
FAQ
Frequently Asked Questions
Common questions about flights from Seattle–Tacoma International Airport.
Seattle–Tacoma International Airport offers nonstop flights to 156 destinations, including 118 domestic and 38 international routes.
60 airlines operate scheduled service from Seattle–Tacoma International Airport, including major carriers like Alaska, Delta and Air France. Use the airline filter above to see routes by specific carrier.
Yes, Seattle–Tacoma International Airport offers 38 international routes across 4 continents.
Yes. Beyond nonstop routes, the route explorer shows 1-stop and 2-stop connections, letting you reach hundreds of additional destinations via major hubs.
Nearby alternatives include PAE, BLI and YYJ. Check the Nearby Airports section above for route counts and distances.
Use the checkboxes in the route list to select routes, then click Compare to see side-by-side stats including frequency, duration, airlines, and on-time performance.
Check the Schedule Overview section for a day-by-day breakdown of route availability from Seattle–Tacoma International Airport.
Seattle–Tacoma International Airport handles approximately 52,640,716 passengers annually, ranking #34 worldwide.
Route data is updated regularly from official airline schedules. Seasonal or newly announced routes may take a few days to appear.
Click any route to see detailed flight options, then use the 'Search Flights' button to check availability and prices on Google Flights.