United States to Singapore Β· 8,065 miles (12,979 km)

Seattle (SEA) to Singapore (SIN) flights

One airline flies nonstop from Seattle (SEA) to Singapore (SIN): Singapore Airlines. The two airports are 8,065 miles (12,979 km) apart. Singapore Airlines is in Star Alliance. There are also 27 ways to fly it with one stop, through Taipei, Shanghai and Seoul and more.

Airlines flying nonstop from SEA to SIN

  • Singapore Airlines logo
    Singapore AirlinesStar Alliance Β· bookable with 13 programsWho books it

Book SEA to SIN with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

SEA to SIN with one stop

27 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Taipei (TPE)EVA Air, China Airlines and 1 more the whole way
    EVA Air logo
    Delta Air Lines logo
    China Airlines logo
    +1
    EVA Air logo
    China Airlines logo
    Singapore Airlines logo
    +2
  • Via Shanghai (PVG)Delta Air Lines, then Spring Airlines, China Eastern Airlines and 4 more
    Delta Air Lines logo
    Spring Airlines logo
    China Eastern Airlines logo
    Singapore Airlines logo
    +3
  • Via Seoul (ICN)Korean Air and Asiana Airlines the whole way
    Delta Air Lines logo
    Korean Air logo
    Asiana Airlines logo
    +1
    Jeju Air logo
    Korean Air logo
    Asiana Airlines logo
    +3
  • Via Hong Kong (HKG)Cathay Pacific the whole way
    Cathay Pacific logo
    Cathay Pacific logo
    Singapore Airlines logo
    Scoot logo
  • Via Tokyo (HND)ANA the whole way
    Delta Air Lines logo
    ANA logo
    JAL logo
    ANA logo
    Singapore Airlines logo
    +1
  • Via Tokyo (NRT)JAL the whole way
    Delta Air Lines logo
    JAL logo
    Alaska Airlines logo
    JAL logo
    ANA logo
    Singapore Airlines logo
    +2
  • Via Vancouver (YVR)Air Canada the whole way
    Air Canada logo
    Alaska Airlines logo
    Delta Air Lines logo
    Air Canada logo
  • Via Manila (MNL)Philippine Airlines the whole way
    Philippine Airlines logo
    Cebu Pacific Air logo
    Philippine Airlines logo
    Singapore Airlines logo
    +1
  • Via Beijing (PEK)Hainan Airlines, then Air China and Singapore Airlines
    Hainan Airlines logo
    Air China logo
    Singapore Airlines logo
  • Via Chongqing (CKG)Hainan Airlines, then West Air (China), Chongqing Airlines and 2 more
    Hainan Airlines logo
    PN
    OQ
    Singapore Airlines logo
    +1
  • Via San Francisco (SFO)United Airlines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    United Airlines logo
    Singapore Airlines logo
    United Airlines logo
  • Via Los Angeles (LAX)American Airlines, Alaska Airlines and 3 more, then Singapore Airlines
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    +2
    Singapore Airlines logo
  • Via Helsinki (HEL)Finnair the whole way
    Finnair logo
    Finnair logo
  • Via Dubai (DXB)Emirates the whole way
    Emirates logo
    Emirates logo
    Singapore Airlines logo
  • Via Copenhagen (CPH)Scandinavian Airlines, then Singapore Airlines
    Scandinavian Airlines logo
    Singapore Airlines logo
See all 27 in Routes

SEA to SIN: common questions

Which airlines fly nonstop from SEA to SIN?

Singapore Airlines (Star Alliance) flies nonstop from Seattle (SEA) to Singapore (SIN).

How far is Seattle from Singapore by plane?

Seattle (SEA) and Singapore (SIN) are 8,065 miles (12,979 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book SEA to SIN award flights?

13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, Alaska Atmos Rewards, ANA Mileage Club, Avianca LifeMiles, EVA Air Infinity MileageLands, Lufthansa Miles & More, Singapore Airlines KrisFlyer and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does SEA to SIN cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SEA to SIN with taxes and fees.

Where can I connect between Seattle and Singapore?

The most direct connections are through Taipei (TPE), Shanghai (PVG), Seoul (ICN), Hong Kong (HKG) and Tokyo (HND). On 16 of them the same airline flies both flights, for example EVA Air through Taipei.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.