RM1,329 Cheap Flights from Seattle (SEA) to Singapore (SIN)

View RM1,329 flight on Thu, 23 Apr 2026Opens in a new window

Popular airlines from Seattle to Singapore (SIN-Changi)

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Cheap Flights from Seattle to Singapore (SEA-SIN)

Prices were available within the past 7 days and start at RM1,329 for one-way flights and RM3,128 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, 23 Apr - Tue, 28 Apr
SEA
Seattle
SIN
Singapore
RM3,128 Return, found 1 day ago
RM3,128
Return
found 1 day ago
Select Air Canada flight, departing Thu, 23 Apr from Seattle to Singapore, returning Tue, 28 Apr, priced at RM3,128 found 1 day ago
United
Thu, 23 Apr - Tue, 28 Apr
SEA
Seattle
SIN
Singapore
RM3,331 Return, found 1 day ago
RM3,331
Return
found 1 day ago
Select United flight, departing Thu, 23 Apr from Seattle to Singapore, returning Tue, 28 Apr, priced at RM3,331 found 1 day ago
United
Thu, 23 Apr - Tue, 28 Apr
SEA
Seattle
SIN
Singapore
RM3,370 Return, found 1 day ago
RM3,370
Return
found 1 day ago
Select United flight, departing Thu, 23 Apr from Seattle to Singapore, returning Tue, 28 Apr, priced at RM3,370 found 1 day ago
Singapore Airlines
Thu, 23 Apr - Tue, 28 Apr
SEA
Seattle
SIN
Singapore
RM3,375 Return, found 1 day ago
RM3,375
Return
found 1 day ago
Select Singapore Airlines flight, departing Thu, 23 Apr from Seattle to Singapore, returning Tue, 28 Apr, priced at RM3,375 found 1 day ago
Alaska Airlines
Thu, 23 Apr - Tue, 28 Apr
SEA
Seattle
SIN
Singapore
RM3,378 Return, found 1 day ago
RM3,378
Return
found 1 day ago
Select Alaska Airlines flight, departing Thu, 23 Apr from Seattle to Singapore, returning Tue, 28 Apr, priced at RM3,378 found 1 day ago
Korean Air
Thu, 23 Apr - Tue, 28 Apr
SEA
Seattle
SIN
Singapore
RM3,382 Return, found 1 day ago
RM3,382
Return
found 1 day ago
Select Korean Air flight, departing Thu, 23 Apr from Seattle to Singapore, returning Tue, 28 Apr, priced at RM3,382 found 1 day ago
Air Canada
Fri, 13 Feb - Fri, 20 Feb
SEA
Seattle
SIN
Singapore
RM3,391 Return, found 5 days ago
RM3,391
Return
found 5 days ago
Select Air Canada flight, departing Fri, 13 Feb from Seattle to Singapore, returning Fri, 20 Feb, priced at RM3,391 found 5 days ago
Singapore Airlines
Thu, 23 Apr - Tue, 28 Apr
SEA
Seattle
SIN
Singapore
RM3,401 Return, found 1 day ago
RM3,401
Return
found 1 day ago
Select Singapore Airlines flight, departing Thu, 23 Apr from Seattle to Singapore, returning Tue, 28 Apr, priced at RM3,401 found 1 day ago
Air Canada
Mon, 19 Jan - Fri, 23 Jan
SEA
Seattle
SIN
Singapore
RM3,427 Return, found 1 day ago
RM3,427
Return
found 1 day ago
Select Air Canada flight, departing Mon, 19 Jan from Seattle to Singapore, returning Fri, 23 Jan, priced at RM3,427 found 1 day ago
United
Mon, 19 Jan - Fri, 23 Jan
SEA
Seattle
SIN
Singapore
RM3,432 Return, found 1 day ago
RM3,432
Return
found 1 day ago
Select United flight, departing Mon, 19 Jan from Seattle to Singapore, returning Fri, 23 Jan, priced at RM3,432 found 1 day ago

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

September is typically the cheapest month to fly

From RM 2,761 - RM 4,065 per traveller.

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 RM 3,427
SIN
Changi
Cheapest
Average driving time to city centre18 min
Flights from RM 3,427

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 RM3,128. 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.

Travel information

0
Origin airport
Seattle - Tacoma Intl.
Destination airport
Changi
Return price
RM3,128
Distance
12903 km

Book with confidence

Perfect flights from Seattle to Singapore

Your Journey from Seattle to Singapore

Start your unforgettable journey with Expedia. Our broad selection of flights from Seattle to Singapore caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Philippine Airlines, Singapore Airlines, Air Canada, United, Delta, Korean Air, Japan Airlines, All Nippon Airways, Alaska Airlines. Our selection of flights from Seattle - Tacoma Intl. to Changi caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

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Experience the Vibrant Singapore

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Book Your Flight from Seattle to Singapore with Confidence

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*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Seattle to Singapore

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