Search flights from Seattle (SEA) to Singapore (SIN)

Book your plane tickets from Seattle to Singapore with ease

Cheapest flights to Singapore

The cheapest flights available in the next 60 days – prices are updated regularly

Tue 2 Dec
US$635.39
One way
Economy
1 traveller
Wed 3 Dec
US$640.72
One way
Economy
1 traveller
Mon 1 Dec
US$643.97
One way
Economy
1 traveller

Flying from Seattle to Singapore: things to know

The most popular route is from Sea-Tac Airport in Seattle to Changi Airport in Singapore. On average this flight takes 20 hours 29 minutes one way and costs US$1,705 for the round trip.

Most popular route
Sea-Tac Airport (SEA) to Changi Airport (SIN)
Average flight time
20 hours 29 minutes
Average round-trip price
US$1,705
Fly from Seattle to Singapore
15 airlines

Reasons to book flights with Booking.com

  • Great selection

    Easily compare flights, airlines and prices – all in one place

  • No hidden fees

    Always know exactly what you’re paying for

  • Flexibility

    Use our flexible plane ticket option to change your dates if needed

Flexible plane ticket options are available for an additional cost on selected airfares

Airlines that fly from Seattle to Singapore

Airline options may vary according to recently booked flights and your search terms

  • Singapore Airlines
  • DAC Aviation
  • All Nippon Airways
  • Korean Air
  • Japan Airlines
  • United Airlines
  • Air Canada
  • China Airlines
  • Asiana Airlines
  • Philippine Airlines
  • Eva Air
  • Spirit Airlines
  • Turkish Airlines
  • Qatar Airways
  • Cathay Pacific

Frequently asked questions

Fly to more destinations from Seattle

Research, refine and make plans for your whole trip

Flights from the United States to Singapore

Flexible on where to fly from? the United States also has many flight options for Singapore.

Flights to Changi Airport

Jet into this airport to explore Singapore at your leisure.

Flights to Seletar Airport

Jet into this airport to explore Singapore at your leisure.

All flights

Fly to your next dream destination.

Flights from Seattle to Singapore

Plan your next getaway from Seattle.

Hotels in Singapore

A popular choice with visitors to Singapore.