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Flight distance & time
Singapore Changi International Airport → Seattle Tacoma International Airport
SINSEA
- Distance
- 12,978 km · 8,064 mi
- Flight time
- 16h 58m
- CO₂ per passenger
- 1,168 kg
This Singapore Changi International Airport → Seattle Tacoma International Airport route is 12,978 km (8,064 mi) end to end. The estimated flight time is 16h 58m, and a passenger's share of CO₂ works out at roughly 1,168 kg.
See the reverse route: Seattle Tacoma International Airport → Singapore Changi International Airport
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Your route
- FromSINSingapore Changi International AirportSingapore, North-East
- ToSEASeattle Tacoma International AirportSeattle, Washington
Flight map
Track your lifetime distance flown across every trip.
Route service
We don't have scheduled-service data for this route — it may be operated by non-commercial or charter flights only.
Common questions
Singapore Changi International Airport to Seattle Tacoma International Airport FAQ
How far is Singapore Changi International Airport from Seattle Tacoma International Airport?
Singapore Changi International Airport (SIN) and Seattle Tacoma International Airport (SEA) are 12,978 km (8,064 mi) apart, measured along the great-circle route.
How long is the flight from Singapore Changi International Airport to Seattle Tacoma International Airport?
A direct SIN–SEA flight covers the distance in about 16h 58m, though the exact time shifts with aircraft type and winds.
How much CO₂ does a flight from Singapore Changi International Airport to Seattle Tacoma International Airport produce?
A passenger's share of CO₂ on the SIN–SEA route is roughly 1,168 kg.
Flight distance and time are estimates for ideal conditions — actual figures vary with aircraft type, routing and weather.
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