S$651 Cheap Flights from Singapore to Seattle

View S$651 flight on Thu, 23 Apr, 2026Opens in a new window

Popular airlines from Singapore Changi Airport (SIN) to Seattle

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Cheap Flights from Singapore to Seattle (SIN-SEA)

Prices were available within the past 7 days and start at S$651 for one-way flights and S$993 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, 20 Feb - Sat, 21 Feb
SIN
Singapore
SEA
Seattle
S$993 Return, found 5 days ago
S$993
Return
found 5 days ago
Select United flight, departing Fri, 20 Feb from Singapore to Seattle, returning Sat, 21 Feb, priced at S$993 found 5 days ago
China Airlines
Mon, 16 Mar - Mon, 25 May
SIN
Singapore
SEA
Seattle
S$1,004 Return, found 21 hours ago
S$1,004
Return
found 21 hours ago
Select China Airlines flight, departing Mon, 16 Mar from Singapore to Seattle, returning Mon, 25 May, priced at S$1,004 found 21 hours ago
Korean Air
Tue, 21 Apr - Wed, 6 May
SIN
Singapore
SEA
Seattle
S$1,012 Return, just found
S$1,012
Return
just found
Select Korean Air flight, departing Tue, 21 Apr from Singapore to Seattle, returning Wed, 6 May, priced at S$1,012 just found
Delta
Tue, 21 Apr - Wed, 6 May
SIN
Singapore
SEA
Seattle
S$1,100 Return, just found
S$1,100
Return
just found
Select Delta flight, departing Tue, 21 Apr from Singapore to Seattle, returning Wed, 6 May, priced at S$1,100 just found
Singapore Airlines
Sat, 17 Oct - Sun, 1 Nov
SIN
Singapore
SEA
Seattle
S$1,105 Return, found 19 hours ago
S$1,105
Return
found 19 hours ago
Select Singapore Airlines flight, departing Sat, 17 Oct from Singapore to Seattle, returning Sun, 1 Nov, priced at S$1,105 found 19 hours ago
STARLUX Airlines
Sun, 18 Oct - Mon, 2 Nov
SIN
Singapore
SEA
Seattle
S$1,113 Return, found 19 hours ago
S$1,113
Return
found 19 hours ago
Select STARLUX Airlines flight, departing Sun, 18 Oct from Singapore to Seattle, returning Mon, 2 Nov, priced at S$1,113 found 19 hours ago
EVA Airways
Tue, 21 Apr - Wed, 6 May
SIN
Singapore
SEA
Seattle
S$1,114 Return, just found
S$1,114
Return
just found
Select EVA Airways flight, departing Tue, 21 Apr from Singapore to Seattle, returning Wed, 6 May, priced at S$1,114 just found
Air Canada
Tue, 10 Mar - Wed, 25 Mar
SIN
Singapore
SEA
Seattle
S$1,126 Return, just found
S$1,126
Return
just found
Select Air Canada flight, departing Tue, 10 Mar from Singapore to Seattle, returning Wed, 25 Mar, priced at S$1,126 just found
All Nippon Airways
Tue, 10 Feb - Wed, 25 Feb
SIN
Singapore
SEA
Seattle
S$1,199 Return, found 1 hour ago
S$1,199
Return
found 1 hour ago
Select All Nippon Airways flight, departing Tue, 10 Feb from Singapore to Seattle, returning Wed, 25 Feb, priced at S$1,199 found 1 hour ago
Cathay Pacific
Sun, 18 Oct - Mon, 2 Nov
SIN
Singapore
SEA
Seattle
S$1,222 Return, found 19 hours ago
S$1,222
Return
found 19 hours ago
Select Cathay Pacific flight, departing Sun, 18 Oct from Singapore to Seattle, returning Mon, 2 Nov, priced at S$1,222 found 19 hours ago

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

May is typically the cheapest month to fly

From S$777 - S$1,128 per traveller.

Alternative airports near Seattle

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

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city centre is 20 minutes. Flights from S$1,655
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city centre20 min
Flights from S$1,655
Singapore to Seattle route information
Origin airport
Changi
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, Air France, All Nippon Airways, American Airlines, British Airways, Cathay Pacific, China Airlines, Delta, EVA Airways, Emirates, Japan Airlines, KLM, Korean Air, Lufthansa, Philippine Airlines, Qatar Airways, Singapore Airlines, Turkish Airlines, United
Return price
S$992
Distance
12903 km
Average flight time
14 hours 10 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 China Airlines, United, Korean Air, STARLUX Airlines, EVA Airways, Delta, All Nippon Airways, Qatar Airways, Cathay Pacific, Air Canada, Singapore Airlines. 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$651 and roundtrip prices from S$993*.
 

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$993. 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

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