฿10,335 Cheap Flights from Seattle (SEA) to Singapore (SIN)

View ฿10,335 flight on Fri, 6 Mar 2026Opens 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 and start at ฿10,335 for one-way flights and ฿24,430 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Mon, 23 Nov - Mon, 28 Dec
SEA
Seattle
SIN
Singapore
฿24,430 Return, found 4 days ago
฿24,430
Return
found 4 days ago
Select Cathay Pacific flight, departing Mon, 23 Nov from Seattle to Singapore, returning Mon, 28 Dec, priced at ฿24,430 found 4 days ago
Asiana Airlines
Mon, 23 Nov - Mon, 28 Dec
SEA
Seattle
SIN
Singapore
฿25,410 Return, found 4 days ago
฿25,410
Return
found 4 days ago
Select Asiana Airlines flight, departing Mon, 23 Nov from Seattle to Singapore, returning Mon, 28 Dec, priced at ฿25,410 found 4 days ago
United
Mon, 30 Mar - Wed, 15 Apr
SEA
Seattle
SIN
Singapore
฿25,845 Return, found 6 days ago
฿25,845
Return
found 6 days ago
Select United flight, departing Mon, 30 Mar from Seattle to Singapore, returning Wed, 15 Apr, priced at ฿25,845 found 6 days ago
All Nippon Airways
Mon, 23 Nov - Mon, 28 Dec
SEA
Seattle
SIN
Singapore
฿27,285 Return, found 4 days ago
฿27,285
Return
found 4 days ago
Select All Nippon Airways flight, departing Mon, 23 Nov from Seattle to Singapore, returning Mon, 28 Dec, priced at ฿27,285 found 4 days ago
China Airlines
Tue, 14 Apr - Thu, 16 Apr
SEA
Seattle
SIN
Singapore
฿28,800 Return, found 1 day ago
฿28,800
Return
found 1 day ago
Select China Airlines flight, departing Tue, 14 Apr from Seattle to Singapore, returning Thu, 16 Apr, priced at ฿28,800 found 1 day ago
Korean Air
Mon, 23 Nov - Mon, 28 Dec
SEA
Seattle
SIN
Singapore
฿29,820 Return, found 4 days ago
฿29,820
Return
found 4 days ago
Select Korean Air flight, departing Mon, 23 Nov from Seattle to Singapore, returning Mon, 28 Dec, priced at ฿29,820 found 4 days ago
Turkish Airlines
Mon, 30 Mar - Wed, 15 Apr
SEA
Seattle
SIN
Singapore
฿31,525 Return, found 6 days ago
฿31,525
Return
found 6 days ago
Select Turkish Airlines flight, departing Mon, 30 Mar from Seattle to Singapore, returning Wed, 15 Apr, priced at ฿31,525 found 6 days ago
EVA Airways
Tue, 14 Apr - Thu, 16 Apr
SEA
Seattle
SIN
Singapore
฿31,950 Return, found 1 day ago
฿31,950
Return
found 1 day ago
Select EVA Airways flight, departing Tue, 14 Apr from Seattle to Singapore, returning Thu, 16 Apr, priced at ฿31,950 found 1 day ago
STARLUX Airlines
Mon, 30 Mar - Wed, 15 Apr
SEA
Seattle
SIN
Singapore
฿31,965 Return, found 6 days ago
฿31,965
Return
found 6 days ago
Select STARLUX Airlines flight, departing Mon, 30 Mar from Seattle to Singapore, returning Wed, 15 Apr, priced at ฿31,965 found 6 days ago
Japan Airlines
Mon, 23 Nov - Mon, 28 Dec
SEA
Seattle
SIN
Singapore
฿35,380 Return, found 4 days ago
฿35,380
Return
found 4 days ago
Select Japan Airlines flight, departing Mon, 23 Nov from Seattle to Singapore, returning Mon, 28 Dec, priced at ฿35,380 found 4 days ago

Alternative airports near Singapore

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Changi SIN. Cheapest option available. Average driving time to city centre is 18 minutes. Flights from ฿31,195
SIN
Changi
Cheapest
Average driving time to city centre18 min
Flights from ฿31,195

Find the cheapest month to fly from Seattle (SEA) to Singapore (SIN)

September is typically the cheapest month to fly

From ฿21,563 - ฿31,748 per traveller.
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Flight from Seattle to Singapore route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Changi
Return price
฿24,430
Distance
12903 km

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 , 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 ฿10,335 and roundtrip prices from ฿24,430. 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 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 to 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 ฿24,430. 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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