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Direct flights from Seattle to Singapore

Airlines Schedules

SEA - SIN route map All flights from SEA to SIN non-stop. There are direct flights from Seattle Tacoma International (SEA), Washington, USA to Singapore Changi Airport (SIN), Singapore with Singapore Airlines. 5 weekly departures are currently scheduled on this route. Departure times range from 08:45 to 10:15 depending on the schedule period. The flight distance is 8109 miles (13047 km). Flight time ranges from 16 hours and 20 minutes to 17 hours.

SEA
Seattle Tacoma
USASeattle , USA
SIN
Singapore Changi Airport
SingaporeSingapore , Singapore
SEA
Seattle Tacoma
USASeattle , USA
Singapore Changi Airport
SingaporeSingapore , Singapore
SIN
Flight time 16h 20min to 17h 0min
Updated Jun 29, 2026
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Airlines with non-stop routes:

Singapore Airlines Star Alliance

Departure times vary between 08:45 and 10:15
S
M
T
W
T
F
S
Sun
Mon
Tue
Wed
Thu
Fri
Sat
5 flights/week
5 flights/week
Weekday-labels: HAS FLIGHTS UPCOMING NO FLIGHTS
View all flight dates
Flight schedule from Seattle to Singapore with Singapore Airlines

This is a weekly direct flight schedule for Singapore Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.

 
Flight
Mon
Jul 27
Tue
Jul 28
Wed
Jul 29
Thu
Jul 30
Fri
Jul 31
Sat
Aug 1
Sun
Aug 2
SQ27
----
10:15
----
10:15
10:15
10:15
10:15

The timetable & schedule information was updated at 2026-06-29

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Seattle to Singapore scheduled departures

Select a date to see every published non-stop departure between SEA and SIN.

Friday
Fri
Jul 24
1 flights(1)
Saturday
Sat
Jul 25
1 flights(1)
Sunday
Sun
Jul 26
1 flights(1)
Monday
Mon
Jul 27
0 flights(0)
Tuesday
Tue
Jul 28
1 flights(1)
Wednesday
Wed
Jul 29
0 flights(0)
Thursday
Thu
Jul 30
1 flights(1)
Time
Airline
Flight
10:15
Singapore Airlines Singapore Airlines
SQ27
10:15
Singapore Airlines Singapore Airlines
SQ27
10:15
Singapore Airlines Singapore Airlines
SQ27
10:15
Singapore Airlines Singapore Airlines
SQ27
10:15
Singapore Airlines Singapore Airlines
SQ27
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SEA-SIN flight route
Route map from Seattle, SEA to Singapore, SIN. The distance is 8109 miles or 13047 km.
Seattle - Singapore direct flight map
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SEA - SIN route facts

  • Distance
    8109 miles (13047 km)
  • Flight time
    16 hours and 20 minutes to 17 hours
  • Airline
    Singapore Airlines Singapore Airlines
  • Airline alliances
    Star Alliance
  • Cabins
    Economy Premium Economy Business
  • Hub airports
    SIN
  • Aircraft
    Airbus A350-900

Route FAQ

Singapore Airlines operates non-stop flights from SEA to SIN with 5 weekly departures.

Scheduled flight time from SEA to SIN ranges from 16 hours and 20 minutes to 17 hours. The route covers 8109 miles (13047 km).

5 weekly departures are currently scheduled on this route, with published departure times ranging from 08:45 to 10:15 depending on the schedule period.

Economy, Premium Economy and Business are currently scheduled on non-stop flights for this route.
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