NZ$697 Cheap Flights Seattle to Singapore (SEA-SIN)

View NZ$697 flight on Thu, 2 Oct. 2025Opens in a new window

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

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Cheap Flights from Seattle (SEA) to Singapore (SIN)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, 16 Oct. - Sun, 19 Oct.
SEA
Seattle
SIN
Singapore
NZ$1,216 Return, found 6 days ago
NZ$1,216
Return
found 6 days ago
Select Air Canada flight, departing Thu, 16 Oct. from Seattle to Singapore, returning Sun, 19 Oct., priced at NZ$1,216 found 6 days ago
United
Thu, 16 Oct. - Sun, 19 Oct.
SEA
Seattle
SIN
Singapore
NZ$1,417 Return, found 6 days ago
NZ$1,417
Return
found 6 days ago
Select United flight, departing Thu, 16 Oct. from Seattle to Singapore, returning Sun, 19 Oct., priced at NZ$1,417 found 6 days ago
Korean Air
Thu, 16 Oct. - Sun, 19 Oct.
SEA
Seattle
SIN
Singapore
NZ$1,438 Return, found 6 days ago
NZ$1,438
Return
found 6 days ago
Select Korean Air flight, departing Thu, 16 Oct. from Seattle to Singapore, returning Sun, 19 Oct., priced at NZ$1,438 found 6 days ago
Korean Air
Thu, 16 Oct. - Sun, 19 Oct.
SEA
Seattle
SIN
Singapore
NZ$1,440 Return, found 6 days ago
NZ$1,440
Return
found 6 days ago
Select Korean Air flight, departing Thu, 16 Oct. from Seattle to Singapore, returning Sun, 19 Oct., priced at NZ$1,440 found 6 days ago
Singapore Airlines
Thu, 16 Oct. - Sun, 19 Oct.
SEA
Seattle
SIN
Singapore
NZ$1,470 Return, found 6 days ago
NZ$1,470
Return
found 6 days ago
Select Singapore Airlines flight, departing Thu, 16 Oct. from Seattle to Singapore, returning Sun, 19 Oct., priced at NZ$1,470 found 6 days ago
American Airlines
Thu, 16 Oct. - Sun, 19 Oct.
SEA
Seattle
SIN
Singapore
NZ$2,704 Return, found 6 days ago
NZ$2,704
Return
found 6 days ago
Select American Airlines flight, departing Thu, 16 Oct. from Seattle to Singapore, returning Sun, 19 Oct., priced at NZ$2,704 found 6 days ago
KLM
Thu, 16 Oct. - Sun, 19 Oct.
SEA
Seattle
SIN
Singapore
NZ$2,790 Return, found 6 days ago
NZ$2,790
Return
found 6 days ago
Select KLM flight, departing Thu, 16 Oct. from Seattle to Singapore, returning Sun, 19 Oct., priced at NZ$2,790 found 6 days ago
Malaysia Airlines
Thu, 16 Oct. - Sun, 19 Oct.
SEA
Seattle
SIN
Singapore
NZ$3,405 Return, found 6 days ago
NZ$3,405
Return
found 6 days ago
Select Malaysia Airlines flight, departing Thu, 16 Oct. from Seattle to Singapore, returning Sun, 19 Oct., priced at NZ$3,405 found 6 days ago
Emirates
Thu, 16 Oct. - Sun, 19 Oct.
SEA
Seattle
SIN
Singapore
NZ$3,535 Return, found 6 days ago
NZ$3,535
Return
found 6 days ago
Select Emirates flight, departing Thu, 16 Oct. from Seattle to Singapore, returning Sun, 19 Oct., priced at NZ$3,535 found 6 days ago
British Airways
Thu, 16 Oct. - Sun, 19 Oct.
SEA
Seattle
SIN
Singapore
NZ$4,092 Return, found 6 days ago
NZ$4,092
Return
found 6 days ago
Select British Airways flight, departing Thu, 16 Oct. from Seattle to Singapore, returning Sun, 19 Oct., priced at NZ$4,092 found 6 days ago
Flight from Seattle to Singapore route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Changi
Return price
NZ$1,215
Distance
12903 km
Average flight time
15 hours 20 mins

Perfect flights from Seattle to Singapore

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Seattle to Singapore. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of Singapore, surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Seattle - Tacoma Intl. to Changi ticket options cater to your travel preferences, with incredible one-way fares from NZ$697 and roundtrip prices from NZ$1,216. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Changi and explore Singapore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your SEA to SIN travel arrangements today and embark on the journey of a lifetime in Singapore.

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 NZ$1,216. 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.

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