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

View AU$716 flight on Tue, 15 Sept 2026Opens in a new window

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

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 3 Sept - Wed, 9 Sept
SIN
Singapore
SEA
Seattle
AU$958 Return, found 16 hours ago
AU$958
Return
found 16 hours ago
Select Delta flight, departing Thu, 3 Sept from Singapore to Seattle, returning Wed, 9 Sept, priced at AU$958 found 16 hours ago
United
Tue, 1 Sept - Tue, 15 Sept
SIN
Singapore
SEA
Seattle
AU$1,061 Return, found 4 days ago
AU$1,061
Return
found 4 days ago
Select United flight, departing Tue, 1 Sept from Singapore to Seattle, returning Tue, 15 Sept, priced at AU$1,061 found 4 days ago
Delta
Tue, 1 Sept - Tue, 15 Sept
SIN
Singapore
SEA
Seattle
AU$1,129 Return, found 4 days ago
AU$1,129
Return
found 4 days ago
Select Delta flight, departing Tue, 1 Sept from Singapore to Seattle, returning Tue, 15 Sept, priced at AU$1,129 found 4 days ago
Asiana Airlines
Thu, 17 Sept - Fri, 25 Sept
SIN
Singapore
SEA
Seattle
AU$1,229 Return, found 2 days ago
AU$1,229
Return
found 2 days ago
Select Asiana Airlines flight, departing Thu, 17 Sept from Singapore to Seattle, returning Fri, 25 Sept, priced at AU$1,229 found 2 days ago
All Nippon Airways
Tue, 1 Sept - Tue, 15 Sept
SIN
Singapore
SEA
Seattle
AU$1,292 Return, found 4 days ago
AU$1,292
Return
found 4 days ago
Select All Nippon Airways flight, departing Tue, 1 Sept from Singapore to Seattle, returning Tue, 15 Sept, priced at AU$1,292 found 4 days ago
EVA Airways
Tue, 15 Dec - Thu, 14 Jan
SIN
Singapore
SEA
Seattle
AU$1,426 Return, found 13 hours ago
AU$1,426
Return
found 13 hours ago
Select EVA Airways flight, departing Tue, 15 Dec from Singapore to Seattle, returning Thu, 14 Jan, priced at AU$1,426 found 13 hours ago
STARLUX Airlines
Tue, 12 May - Tue, 26 May
SIN
Singapore
SEA
Seattle
AU$1,433 Return, found 2 days ago
AU$1,433
Return
found 2 days ago
Select STARLUX Airlines flight, departing Tue, 12 May from Singapore to Seattle, returning Tue, 26 May, priced at AU$1,433 found 2 days ago
China Airlines
Thu, 10 Dec - Fri, 8 Jan
SIN
Singapore
SEA
Seattle
AU$1,447 Return, found 1 day ago
AU$1,447
Return
found 1 day ago
Select China Airlines flight, departing Thu, 10 Dec from Singapore to Seattle, returning Fri, 8 Jan, priced at AU$1,447 found 1 day ago
Qatar Airways
Tue, 1 Sept - Tue, 15 Sept
SIN
Singapore
SEA
Seattle
AU$1,450 Return, found 4 days ago
AU$1,450
Return
found 4 days ago
Select Qatar Airways flight, departing Tue, 1 Sept from Singapore to Seattle, returning Tue, 15 Sept, priced at AU$1,450 found 4 days ago
Japan Airlines
Tue, 1 Sept - Tue, 15 Sept
SIN
Singapore
SEA
Seattle
AU$1,514 Return, found 4 days ago
AU$1,514
Return
found 4 days ago
Select Japan Airlines flight, departing Tue, 1 Sept from Singapore to Seattle, returning Tue, 15 Sept, priced at AU$1,514 found 4 days ago

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 AU$1,496
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city centre20 min
Flights from AU$1,496

Frequently asked questions

How much is a flight from Singapore Airport to Sea-Tac Airport?
Round-trip tickets between SIN and SEA start from AU$958. 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, Singapore Airlines, Turkish Airlines, United
Return price
AU$958
Distance
12903 km
Average flight time
15 hours 15 mins

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