RM1,472 Cheap Flights from Seattle (SEA) to Singapore (SIN)

View RM1,472 flight on Thu, 18 Sep 2025Opens in a new window

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 RM1,472 for one-way flights and RM3,054 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sun, 7 Sep - Tue, 23 Sep
SEA
Seattle
SIN
Singapore
RM3,054 Return, found 1 day ago
RM3,054
Return
found 1 day ago
Select Air Canada flight, departing Sun, 7 Sep from Seattle to Singapore, returning Tue, 23 Sep, priced at RM3,054 found 1 day ago
Air Canada
Thu, 18 Sep - Mon, 22 Sep
SEA
Seattle
SIN
Singapore
RM3,116 Return, found 1 day ago
RM3,116
Return
found 1 day ago
Select Air Canada flight, departing Thu, 18 Sep from Seattle to Singapore, returning Mon, 22 Sep, priced at RM3,116 found 1 day ago
Philippine Airlines
Sun, 7 Sep - Tue, 23 Sep
SEA
Seattle
SIN
Singapore
RM3,194 Return, found 1 day ago
RM3,194
Return
found 1 day ago
Select Philippine Airlines flight, departing Sun, 7 Sep from Seattle to Singapore, returning Tue, 23 Sep, priced at RM3,194 found 1 day ago
United
Sun, 7 Sep - Tue, 23 Sep
SEA
Seattle
SIN
Singapore
RM3,390 Return, found 1 day ago
RM3,390
Return
found 1 day ago
Select United flight, departing Sun, 7 Sep from Seattle to Singapore, returning Tue, 23 Sep, priced at RM3,390 found 1 day ago
Delta
Sun, 7 Sep - Tue, 23 Sep
SEA
Seattle
SIN
Singapore
RM3,428 Return, found 1 day ago
RM3,428
Return
found 1 day ago
Select Delta flight, departing Sun, 7 Sep from Seattle to Singapore, returning Tue, 23 Sep, priced at RM3,428 found 1 day ago
Korean Air
Sun, 7 Sep - Tue, 23 Sep
SEA
Seattle
SIN
Singapore
RM3,444 Return, found 1 day ago
RM3,444
Return
found 1 day ago
Select Korean Air flight, departing Sun, 7 Sep from Seattle to Singapore, returning Tue, 23 Sep, priced at RM3,444 found 1 day ago
All Nippon Airways
Sun, 7 Sep - Tue, 23 Sep
SEA
Seattle
SIN
Singapore
RM3,586 Return, found 1 day ago
RM3,586
Return
found 1 day ago
Select All Nippon Airways flight, departing Sun, 7 Sep from Seattle to Singapore, returning Tue, 23 Sep, priced at RM3,586 found 1 day ago
Singapore Airlines
Thu, 18 Sep - Mon, 22 Sep
SEA
Seattle
SIN
Singapore
RM4,042 Return, found 1 day ago
RM4,042
Return
found 1 day ago
Select Singapore Airlines flight, departing Thu, 18 Sep from Seattle to Singapore, returning Mon, 22 Sep, priced at RM4,042 found 1 day ago
Turkish Airlines
Sun, 7 Sep - Tue, 23 Sep
SEA
Seattle
SIN
Singapore
RM4,393 Return, found 1 day ago
RM4,393
Return
found 1 day ago
Select Turkish Airlines flight, departing Sun, 7 Sep from Seattle to Singapore, returning Tue, 23 Sep, priced at RM4,393 found 1 day ago
STARLUX Airlines
Sun, 7 Sep - Tue, 23 Sep
SEA
Seattle
SIN
Singapore
RM4,401 Return, found 1 day ago
RM4,401
Return
found 1 day ago
Select STARLUX Airlines flight, departing Sun, 7 Sep from Seattle to Singapore, returning Tue, 23 Sep, priced at RM4,401 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 3,040 - RM 4,548 per traveller.

Graph displaying average flight prices per month

Seattle to Singapore route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Changi
Airlines serving
Air Canada, Air France, All Nippon Airways, American Airlines, British Airways, Cathay Pacific, China Airlines, Delta, Emirates, Japan Airlines, KLM, Korean Air, Lufthansa, Malaysia Airlines, Philippine Airlines, Qatar Airways, Singapore Airlines, Turkish Airlines, United
Return price
RM3,054
Distance
12903 km
Average flight time
15 hours 20 mins

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 Singapore Airlines, United, Delta, Korean Air, Alaska Airlines, Japan Airlines, All Nippon Airways, Air Canada, American Airlines, Cathay Pacific, Philippine Airlines, Turkish Airlines, STARLUX 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.
 

Maximizing Value with Seattle to Singapore Flights

Experience the joy of finding cheap flights from Seattle - Tacoma Intl. to Changi that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from RM1,472 and roundtrip prices from RM3,054*.
 

Pre-Flight Essentials

Ensure a smooth journey from Seattle to Singapore with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Singapore

Picture yourself stepping off the plane in Singapore and immersing yourself in the unique atmosphere of Singapore. From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Seattle to Singapore Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Seattle to Singapore.
 

Beyond the Flight – Exploring Singapore

With Expedia, your adventure extends beyond the flight. Explore Singapore at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Seattle to Singapore with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Seattle to Singapore with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

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 RM3,054. 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.

Explore a world of travel with Expedia

*Available to Expedia members.