S$537 Cheap Flights from Singapore to Seattle

View S$537 flight on Thu, 20 Nov, 2025Opens in a new window

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

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Cheap Flights from Singapore to Seattle (SIN-SEA)

Prices were available within the past 7 days and start at S$537 for one-way flights and S$827 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, 16 Nov - Sun, 16 Nov
SIN
Singapore
SEA
Seattle
S$827 Return, found 6 days ago
S$827
Return
found 6 days ago
Select United flight, departing Sun, 16 Nov from Singapore to Seattle, returning Sun, 16 Nov, priced at S$827 found 6 days ago
Asiana Airlines
Wed, 5 Nov - Wed, 26 Nov
SIN
Singapore
SEA
Seattle
S$848 Return, found 6 hours ago
S$848
Return
found 6 hours ago
Select Asiana Airlines flight, departing Wed, 5 Nov from Singapore to Seattle, returning Wed, 26 Nov, priced at S$848 found 6 hours ago
Philippine Airlines
Sun, 26 Oct - Sun, 9 Nov
SIN
Singapore
SEA
Seattle
S$862 Return, found 6 days ago
S$862
Return
found 6 days ago
Select Philippine Airlines flight, departing Sun, 26 Oct from Singapore to Seattle, returning Sun, 9 Nov, priced at S$862 found 6 days ago
STARLUX Airlines
Tue, 14 Oct - Tue, 28 Oct
SIN
Singapore
SEA
Seattle
S$953 Return, found 3 hours ago
S$953
Return
found 3 hours ago
Select STARLUX Airlines flight, departing Tue, 14 Oct from Singapore to Seattle, returning Tue, 28 Oct, priced at S$953 found 3 hours ago
Air Canada
Thu, 23 Oct - Thu, 30 Oct
SIN
Singapore
SEA
Seattle
S$991 Return, found 4 days ago
S$991
Return
found 4 days ago
Select Air Canada flight, departing Thu, 23 Oct from Singapore to Seattle, returning Thu, 30 Oct, priced at S$991 found 4 days ago
China Airlines
Tue, 14 Oct - Tue, 28 Oct
SIN
Singapore
SEA
Seattle
S$1,004 Return, found 3 hours ago
S$1,004
Return
found 3 hours ago
Select China Airlines flight, departing Tue, 14 Oct from Singapore to Seattle, returning Tue, 28 Oct, priced at S$1,004 found 3 hours ago
Singapore Airlines
Sat, 8 Nov - Tue, 17 Mar
SIN
Singapore
SEA
Seattle
S$1,010 Return, found 6 days ago
S$1,010
Return
found 6 days ago
Select Singapore Airlines flight, departing Sat, 8 Nov from Singapore to Seattle, returning Tue, 17 Mar, priced at S$1,010 found 6 days ago
Delta
Mon, 17 Nov - Mon, 8 Dec
SIN
Singapore
SEA
Seattle
S$1,085 Return, found 6 hours ago
S$1,085
Return
found 6 hours ago
Select Delta flight, departing Mon, 17 Nov from Singapore to Seattle, returning Mon, 8 Dec, priced at S$1,085 found 6 hours ago
Korean Air
Tue, 14 Oct - Tue, 28 Oct
SIN
Singapore
SEA
Seattle
S$1,090 Return, found 3 hours ago
S$1,090
Return
found 3 hours ago
Select Korean Air flight, departing Tue, 14 Oct from Singapore to Seattle, returning Tue, 28 Oct, priced at S$1,090 found 3 hours ago
EVA Airways
Sat, 6 Sep - Fri, 12 Sep
SIN
Singapore
SEA
Seattle
S$1,113 Return, found 1 hour ago
S$1,113
Return
found 1 hour ago
Select EVA Airways flight, departing Sat, 6 Sep from Singapore to Seattle, returning Fri, 12 Sep, priced at S$1,113 found 1 hour ago

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

May is typically the cheapest month to fly

From S$768 - S$1,130 per traveller.

Graph displaying average flight prices per month

Singapore to Seattle route information
Origin airport
Changi
Destination airport
Seattle - Tacoma Intl.
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, Qatar Airways, Singapore Airlines, Turkish Airlines, United
Return price
S$826
Distance
12903 km
Average flight time
15 hours 45 mins

Perfect flights from Singapore to Seattle

Your Journey from Singapore to Seattle

Start your unforgettable journey with Expedia. Our broad selection of flights from Singapore to Seattle 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, Philippine Airlines, United, STARLUX Airlines, Air Canada, China Airlines, All Nippon Airways, EVA Airways, Delta, Hawaiian Airlines, Asiana Airlines, Korean Air. Our selection of flights from Changi to Seattle - Tacoma Intl. 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 Singapore to Seattle Flights

Experience the joy of finding cheap flights from Changi to Seattle - Tacoma Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$537 and roundtrip prices from S$827*.
 

Pre-Flight Essentials

Ensure a smooth journey from Singapore to Seattle 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 Seattle

Picture yourself stepping off the plane in Seattle and immersing yourself in the unique atmosphere of . 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 Singapore to Seattle 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 Singapore to Seattle.
 

Beyond the Flight – Exploring Seattle

With Expedia, your adventure extends beyond the flight. Explore Seattle 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 Singapore to Seattle 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 Singapore to Seattle 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 Singapore Airport to Sea-Tac Airport?
Round-trip tickets between SIN and SEA start from S$827. This is based on fares available within the last 7 days on Expedia for flights departing within the next year — book ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SIN to Seattle - Tacoma Intl. Airport (SEA)?
The majority of flights can be cancelled online, but each air carrier has different terms and conditions. If you do need to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Changi Airport to Seattle - Tacoma Intl. Airport (SEA) 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 Singapore Airport to Seattle - Tacoma Intl. Airport (SEA) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from SIN to Sea-Tac Airport?
The distance is around 13,000 kilometres. Eye mask? Check. Toothbrush? Check. We recommend you pack all the travel comforts for this long-haul Singapore to SeaTac flight.
Which airlines fly direct from Changi Airport (SIN) to Sea-Tac Airport?
A popular option with many frequent flyers, Singapore Airlines (SQ) operates 13 monthly flights from Singapore Airport to SEA. Pick the one that fits in with your travel plans and book your seat today.
Are Singapore Airport to SEA flight tickets cheaper when they're purchased at the last minute?
Flight prices change all the time, so there are no guarantees. While last-minute flight deals between Singapore Airport and Sea-Tac Airport are possible, it also makes sense to keep an eye on prices well before you fly. In fact, some airlines publicize their prices up to 12 months prior to the departure date. Expedia is constantly updating the best bargains around, so keep checking and be ready to pounce when the price dips.

Explore a world of travel with Expedia

Seattle Airports

Seattle Paine Field Intl. Airport

Singapore to Seattle Paine Field Intl. Airport
S$1,462.40
*Available to Expedia members.