AED1,700 Cheap Flights from Seattle (SEA) to Singapore (SIN)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Singapore Changi Airport (SIN)

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Cheap Flights from Seattle to Singapore (SEA-SIN)

Prices were available within the past 7 days and start at AED1,700 for one-way flights and AED3,250 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Delta
Korean Air
Korean Air
Korean Air
United
United
Delta
Qatar Airways
EVA Airways

Frequently asked questions

How long does it take to fly from Sea-Tac Airport to Singapore Airport?
Singapore Airlines operates a direct flight leaving from SEA at 10:15AM and landing at Changi Airport (SIN) at 5:35PM — a travel time of 16 hours and 20 minutes. Secure the best available seat, bring a magazine to keep you entertained and the time will race by.
Is it cheaper to buy a plane ticket from Sea-Tac Airport to Changi Airport last minute?
When it comes to booking your flights, it pays to be prepared. While it's possible to score a deal on a Sea-Tac Airport to SIN flight at the last minute, fares usually don't get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days ahead. For international travel it's between three and four months.
What airports do you fly into for Singapore from Seattle?
From Seattle, you can fly into Singapore via Changi Airport (SIN), Paya Lebar Air Base Airport (QPG) and Seletar Airport (XSP). Be sure to check which airport is right for you before making your decision. If you decide on Changi Airport (SIN), it's approximately 18 kilometers northeast of the downtown area. Use the dollars you save when booking your airfare with Expedia to tour the city's awesome sights, such as Universal Studios Singapore and Haji Lane.
What are the most popular departure times for flights from Sea-Tac Airport to Changi Airport (SIN)?
For Singapore Airlines flights making their way from Sea-Tac Airport to Singapore Airport, the most popular period is between 10:00 AM - 11:00 AM. If you want to avoid any delays, book the earliest flight. This gives you a better chance to avoid the heavy air traffic that builds up in the afternoon and evening.
Can I change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to SIN?
It's a piece of cake to make changes to your Sea-Tac Airport to SIN trip yourself. Simply log in to the Expedia Trips portal and click on "change flight." Browse around for new flights and choose the one that works best with your plans. You'll get an estimate of the extra charges, if applicable. You can also find your way to our Customer Service portal to chat to our Virtual Agent and quickly get answers to your questions.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Changi
Airlines serving
All Nippon Airways, Cathay Pacific, Delta, EVA Airways, Emirates, Japan Airlines, Korean Air, Lufthansa, Philippine Airlines, Qatar Airways, Singapore Airlines, Turkish Airlines, United
Roundtrip price
AED3,250
Distance
12903 km
Average flight time
15 hours 20 mins

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