S$597 Cheap Flights from Singapore to Seattle

View S$597 flight on Sat, 22 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$597 for one-way flights and S$828 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Tue, 17 Feb - Tue, 10 Mar
SIN
Singapore
SEA
Seattle
S$828 Return, found 3 hours ago
S$828
Return
found 3 hours ago
Select Air Canada flight, departing Tue, 17 Feb from Singapore to Seattle, returning Tue, 10 Mar, priced at S$828 found 3 hours ago
Hainan Airlines
Wed, 17 Dec - Thu, 8 Jan
SIN
Singapore
SEA
Seattle
S$907 Return, found 2 days ago
S$907
Return
found 2 days ago
Select Hainan Airlines flight, departing Wed, 17 Dec from Singapore to Seattle, returning Thu, 8 Jan, priced at S$907 found 2 days ago
Philippine Airlines
Wed, 19 Nov - Sun, 23 Nov
SIN
Singapore
SEA
Seattle
S$913 Return, found 3 days ago
S$913
Return
found 3 days ago
Select Philippine Airlines flight, departing Wed, 19 Nov from Singapore to Seattle, returning Sun, 23 Nov, priced at S$913 found 3 days ago
Cathay Pacific
Wed, 1 Apr - Sat, 18 Apr
SIN
Singapore
SEA
Seattle
S$922 Return, found 4 hours ago
S$922
Return
found 4 hours ago
Select Cathay Pacific flight, departing Wed, 1 Apr from Singapore to Seattle, returning Sat, 18 Apr, priced at S$922 found 4 hours ago
Singapore Airlines
Fri, 15 May - Fri, 22 May
SIN
Singapore
SEA
Seattle
S$1,001 Return, found 1 day ago
S$1,001
Return
found 1 day ago
Select Singapore Airlines flight, departing Fri, 15 May from Singapore to Seattle, returning Fri, 22 May, priced at S$1,001 found 1 day ago
United
Sat, 14 Feb - Sat, 21 Feb
SIN
Singapore
SEA
Seattle
S$1,001 Return, just found
S$1,001
Return
just found
Select United flight, departing Sat, 14 Feb from Singapore to Seattle, returning Sat, 21 Feb, priced at S$1,001 just found
China Airlines
Sun, 3 May - Sun, 24 May
SIN
Singapore
SEA
Seattle
S$1,007 Return, found 2 hours ago
S$1,007
Return
found 2 hours ago
Select China Airlines flight, departing Sun, 3 May from Singapore to Seattle, returning Sun, 24 May, priced at S$1,007 found 2 hours ago
Delta
Wed, 2 Sept - Wed, 9 Sept
SIN
Singapore
SEA
Seattle
S$1,101 Return, found 1 day ago
S$1,101
Return
found 1 day ago
Select Delta flight, departing Wed, 2 Sept from Singapore to Seattle, returning Wed, 9 Sept, priced at S$1,101 found 1 day ago
Korean Air
Mon, 24 Nov - Tue, 2 Dec
SIN
Singapore
SEA
Seattle
S$1,105 Return, found 3 days ago
S$1,105
Return
found 3 days ago
Select Korean Air flight, departing Mon, 24 Nov from Singapore to Seattle, returning Tue, 2 Dec, priced at S$1,105 found 3 days ago
Asiana Airlines
Sun, 6 Sept - Mon, 14 Sept
SIN
Singapore
SEA
Seattle
S$1,106 Return, found 1 day ago
S$1,106
Return
found 1 day ago
Select Asiana Airlines flight, departing Sun, 6 Sept from Singapore to Seattle, returning Mon, 14 Sept, priced at S$1,106 found 1 day ago

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

May is typically the cheapest month to fly

From S$784 - S$1,142 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$828
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city centre20 min
Flights from S$828

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$828. 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.

Travel 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, Philippine Airlines, Qatar Airways, Turkish Airlines, United
Return price
S$828
Distance
12903 km
Average flight time
14 hours 10 mins

Book with confidence

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.
 

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With Expedia, you have access to a wide range of airlines, including United, China Airlines, All Nippon Airways, STARLUX Airlines, EVA Airways, Hawaiian Airlines, Delta, Asiana Airlines, Korean Air, Cathay Pacific, Air Canada, Hainan Airlines, Philippine Airlines, 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.
 

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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$597 and roundtrip prices from S$828*.
 

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.
 

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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.
Perfect flights from Singapore to Seattle

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Seattle Airports

Seattle Paine Field Intl. Airport

Singapore to Seattle Paine Field Intl. Airport
S$1,348.10
*Available to Expedia members.