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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 08:40 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 and 5 minutes.

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 5min
Updated Nov 9, 2026
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Airlines with non-stop routes:

Singapore Airlines Star Alliance

Departure times vary between 08:40 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
Nov 16
Tue
Nov 17
Wed
Nov 18
Thu
Nov 19
Fri
Nov 20
Sat
Nov 21
Sun
Nov 22
SQ27
----
08:40
08:40
----
08:40
08:40
08:40

The timetable & schedule information was updated at 2026-11-09

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Seattle to Singapore scheduled departures

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

Saturday
Sat
Dec 05
1 flights(1)
Sunday
Sun
Dec 06
1 flights(1)
Monday
Mon
Dec 07
0 flights(0)
Tuesday
Tue
Dec 08
1 flights(1)
Wednesday
Wed
Dec 09
1 flights(1)
Thursday
Thu
Dec 10
0 flights(0)
Friday
Fri
Dec 11
1 flights(1)
Time
Airline
Flight
08:40
Singapore Airlines Singapore Airlines
SQ27
08:40
Singapore Airlines Singapore Airlines
SQ27
08:40
Singapore Airlines Singapore Airlines
SQ27
08:40
Singapore Airlines Singapore Airlines
SQ27
08:40
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 and 5 minutes
  • 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 (Nov 16 – Nov 22, 2026).

Scheduled flight time from SEA to SIN ranges from 16 hours and 20 minutes to 17 hours and 5 minutes. The route covers 8109 miles (13047 km).

5 weekly departures (Nov 16 – Nov 22, 2026) are currently scheduled on this route, with published departure times ranging from 08:40 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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