CA $685 Cheap Flights from Singapore (SIN) to Seattle (SEA)

View CA $685 flight on Tue, Oct. 21, 2025Opens in a new window

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Cheap flights from Singapore (SIN) to Seattle (SEA)

Prices were available within the past 7 days and start at CA $685 for one-way flights and CA $1,124 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

STARLUX Airlines
Sun., Oct. 5 - Tue., Oct. 14
SIN
Singapore
SEA
Seattle
CA $1,124 Roundtrip, found 5 days ago
CA $1,124
Roundtrip
found 5 days ago
Select STARLUX Airlines flight, departing Sun., Oct. 5 from Singapore to Seattle, returning Tue., Oct. 14, priced at CA $1,124 found 5 days ago
United
Sun., May 11 - Sun., May 11
SIN
Singapore
SEA
Seattle
CA $1,130 Roundtrip, found 6 days ago
CA $1,130
Roundtrip
found 6 days ago
Select United flight, departing Sun., May 11 from Singapore to Seattle, returning Sun., May 11, priced at CA $1,130 found 6 days ago
EVA Airways
Sun., Oct. 5 - Tue., Oct. 14
SIN
Singapore
SEA
Seattle
CA $1,177 Roundtrip, found 5 days ago
CA $1,177
Roundtrip
found 5 days ago
Select EVA Airways flight, departing Sun., Oct. 5 from Singapore to Seattle, returning Tue., Oct. 14, priced at CA $1,177 found 5 days ago
China Airlines
Sun., Oct. 5 - Tue., Oct. 14
SIN
Singapore
SEA
Seattle
CA $1,179 Roundtrip, found 5 days ago
CA $1,179
Roundtrip
found 5 days ago
Select China Airlines flight, departing Sun., Oct. 5 from Singapore to Seattle, returning Tue., Oct. 14, priced at CA $1,179 found 5 days ago
Korean Air
Thu., Sep. 11 - Wed., Sep. 17
SIN
Singapore
SEA
Seattle
CA $1,220 Roundtrip, found 5 days ago
CA $1,220
Roundtrip
found 5 days ago
Select Korean Air flight, departing Thu., Sep. 11 from Singapore to Seattle, returning Wed., Sep. 17, priced at CA $1,220 found 5 days ago
Philippine Airlines
Thu., Sep. 11 - Wed., Sep. 17
SIN
Singapore
SEA
Seattle
CA $1,308 Roundtrip, found 5 days ago
CA $1,308
Roundtrip
found 5 days ago
Select Philippine Airlines flight, departing Thu., Sep. 11 from Singapore to Seattle, returning Wed., Sep. 17, priced at CA $1,308 found 5 days ago
Asiana Airlines
Sun., May 18 - Tue., Jun. 3
SIN
Singapore
SEA
Seattle
CA $1,360 Roundtrip, found 2 days ago
CA $1,360
Roundtrip
found 2 days ago
Select Asiana Airlines flight, departing Sun., May 18 from Singapore to Seattle, returning Tue., Jun. 3, priced at CA $1,360 found 2 days ago
Japan Airlines
Thu., Sep. 11 - Wed., Sep. 17
SIN
Singapore
SEA
Seattle
CA $1,436 Roundtrip, found 5 days ago
CA $1,436
Roundtrip
found 5 days ago
Select Japan Airlines flight, departing Thu., Sep. 11 from Singapore to Seattle, returning Wed., Sep. 17, priced at CA $1,436 found 5 days ago
American Airlines
Thu., Sep. 11 - Wed., Sep. 17
SIN
Singapore
SEA
Seattle
CA $1,541 Roundtrip, found 5 days ago
CA $1,541
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu., Sep. 11 from Singapore to Seattle, returning Wed., Sep. 17, priced at CA $1,541 found 5 days ago
Turkish Airlines
Sun., May 18 - Tue., Jun. 3
SIN
Singapore
SEA
Seattle
CA $1,621 Roundtrip, found 2 days ago
CA $1,621
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Sun., May 18 from Singapore to Seattle, returning Tue., Jun. 3, priced at CA $1,621 found 2 days ago
Flight from Singapore to Seattle (SIN - SEA) route information
Origin airport
Changi
Destination airport
Seattle - Tacoma Intl.
Airlines serving
All Nippon Airways, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, Delta, EVA Airways, Emirates, Finnair, Japan Airlines, Korean Air, Lufthansa, Philippine Airlines, Qatar Airways, Swiss International Air Lines
Roundtrip price
CA $1,124
Distance
12903 km

Singapore to Seattle Flights

Ready for an adventure? Thought so! Prepare to see the sights when you book your trip from Singapore to Seattle with Expedia.ca. Whether you’re visiting for business or pleasure, we know how important it is to bring home travel stories. Maybe your tales will include the best dinner of your life, or the weirdest street art you saw in the city, or the concert that turned you into a fan of a new band. Whatever it is, your new favourite anecdote is right around the corner. Book your trip from SIN to SEA and begin your journey!

Getting a cheap deal on your trip sets the tone for the perfect holiday. And with Expedia.ca, you know you can travel from Singapore to Seattle on the cheap, with enough money left over for a stellar time in the city. That could mean more tours with the kids, more concerts with the spouse, more dessert amongst co-workers, or even front row seats to a sports game if you’re travelling solo. It’s your holiday! Make it great.

Travelling shouldn’t cost an arm and a leg before you even get to relax on the plane’s armrests. Count on Expedia.ca to get you the best discounts on flights from SIN to SEA. And remember this: You can also save big when you bundle. Add a hotel or car rental deal to your flight and witness those savings add up. Hey, more money for more souvenirs, right? Right! Pack your bags and we’ll see you on the route.

Combine your Seattle flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from with Expedia Canada. Use us as your top travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from Singapore Airport to Sea-Tac Airport?
Round-trip tickets between SIN and SEA start from CA $1,124. 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 canceled 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 kilometers. 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.

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