S$631 Cheap Flights from Seattle to Singapore

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Cheap Flights from Seattle to Singapore (SEA-SIN)

Prices were available within the past 7 days and start at S$631 for one-way flights and S$1,189 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines
Sun, 6 Oct - Sat, 12 Oct
SEA
Seattle
SIN
Singapore
S$1,189 Return, found 5 days ago
S$1,189
Return
found 5 days ago
Select Philippine Airlines flight, departing Sun, 6 Oct from Seattle to Singapore, returning Sat, 12 Oct, priced at S$1,189 found 5 days ago
Japan Airlines
Sun, 5 May - Thu, 23 May
SEA
Seattle
SIN
Singapore
S$1,369 Return, found 5 days ago
S$1,369
Return
found 5 days ago
Select Japan Airlines flight, departing Sun, 5 May from Seattle to Singapore, returning Thu, 23 May, priced at S$1,369 found 5 days ago
China Airlines
Tue, 11 Feb - Tue, 25 Feb
SEA
Seattle
SIN
Singapore
S$1,437 Return, found 1 day ago
S$1,437
Return
found 1 day ago
Select China Airlines flight, departing Tue, 11 Feb from Seattle to Singapore, returning Tue, 25 Feb, priced at S$1,437 found 1 day ago
STARLUX Airlines
Sat, 31 Aug - Sun, 15 Sep
SEA
Seattle
SIN
Singapore
S$1,484 Return, found 1 day ago
S$1,484
Return
found 1 day ago
Select STARLUX Airlines flight, departing Sat, 31 Aug from Seattle to Singapore, returning Sun, 15 Sep, priced at S$1,484 found 1 day ago
Air Canada
Sun, 6 Oct - Sat, 12 Oct
SEA
Seattle
SIN
Singapore
S$1,506 Return, found 5 days ago
S$1,506
Return
found 5 days ago
Select Air Canada flight, departing Sun, 6 Oct from Seattle to Singapore, returning Sat, 12 Oct, priced at S$1,506 found 5 days ago
EVA Airways
Tue, 11 Feb - Tue, 25 Feb
SEA
Seattle
SIN
Singapore
S$1,526 Return, found 1 day ago
S$1,526
Return
found 1 day ago
Select EVA Airways flight, departing Tue, 11 Feb from Seattle to Singapore, returning Tue, 25 Feb, priced at S$1,526 found 1 day ago
Turkish Airlines
Sun, 21 Apr - Tue, 7 May
SEA
Seattle
SIN
Singapore
S$1,542 Return, found 1 day ago
S$1,542
Return
found 1 day ago
Select Turkish Airlines flight, departing Sun, 21 Apr from Seattle to Singapore, returning Tue, 7 May, priced at S$1,542 found 1 day ago
Delta
Mon, 6 May - Tue, 14 May
SEA
Seattle
SIN
Singapore
S$1,553 Return, found 5 days ago
S$1,553
Return
found 5 days ago
Select Delta flight, departing Mon, 6 May from Seattle to Singapore, returning Tue, 14 May, priced at S$1,553 found 5 days ago
Korean Air
Fri, 18 Oct - Sat, 26 Oct
SEA
Seattle
SIN
Singapore
S$1,567 Return, found 9 hours ago
S$1,567
Return
found 9 hours ago
Select Korean Air flight, departing Fri, 18 Oct from Seattle to Singapore, returning Sat, 26 Oct, priced at S$1,567 found 9 hours ago
American Airlines
Wed, 15 May - Mon, 20 May
SEA
Seattle
SIN
Singapore
S$1,800 Return, found 4 hours ago
S$1,800
Return
found 4 hours ago
Select American Airlines flight, departing Wed, 15 May from Seattle to Singapore, returning Mon, 20 May, priced at S$1,800 found 4 hours ago
Seattle to Singapore route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Changi
Airlines serving
Air Canada, Air France, All Nippon Airways, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, China Airlines, Delta, EVA Airways, Emirates, Japan Airlines, KLM, Korean Air, Lufthansa, Malaysia Airlines, Qatar Airways, Singapore Airlines, Turkish Airlines, United
Return price
S$1,189
Distance
12903 km
Average flight time
15 hours 40 mins

Flights from Seattle to Singapore

There are several airlines that operate frequent flights from Seattle (SEA) to Singapore (SIN) including

The earliest flight leaves Seattle Tacoma Intl. Airport at 00:50 and arrives at Changi Airport at 00:05. The last flight of the day departs Seattle at 19:22 and arrives at Singapore at 23:55.

The flight distance from Seattle to Singapore is about 13922 km, the shortest flight is 18 hours 35 minutes with United Airlines.

Expedia lets you search across the largest number of airlines and Singapore flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Seattle Singapore flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Seattle to Singapore trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Singapore flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Seattle to Singapore with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from SEA to Changi Airport (SIN)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip journey from SEA to Singapore Airport was S$1,189. Cheap fares don’t wait forever, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to Changi Airport (SIN)?
Most flights can be cancelled online, but every air carrier has different terms and conditions. If you do have to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to Changi Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for SEA to SIN flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to Changi Airport?
The distance is around 13,000 kilometres, so pack your carry-on bag with all you need to make your journey comfortable. Not sure what to take on board your SeaTac to Singapore flight? A sleep mask, earplugs and a travel pillow are among the essentials.
Which airlines fly direct from SEA to Singapore Airport?
Operating 13 flights every month, Singapore Airlines (SQ) is a popular choice when flying directly from Sea-Tac Airport to Changi Airport (SIN).
Are Seattle - Tacoma Intl. Airport (SEA) to Changi Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices always go up and down, so not always. While last-minute deals between Sea-Tac Airport and Singapore Airport are possible, it’s also a good idea to monitor prices well before you fly. In fact, some air carriers publicize their prices up to a year before the departure date. Expedia is continuously updating the best airfare bargains around, so check back often and be ready to secure your seat when the price is right.
*Available to Expedia members.