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

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

Prices were available within the past 7 days and start at HK$3,459 for one-way flights and HK$5,808 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, 13 Nov - Mon, 17 Nov
SIN
Singapore
SEA
Seattle
HK$5,808 Return, found 4 hours ago
HK$5,808
Return
found 4 hours ago
Select Air Canada flight, departing Thu, 13 Nov from Singapore to Seattle, returning Mon, 17 Nov, priced at HK$5,808 found 4 hours ago
Air Canada
Thu, 13 Nov - Mon, 17 Nov
SIN
Singapore
SEA
Seattle
HK$5,988 Return, found 4 hours ago
HK$5,988
Return
found 4 hours ago
Select Air Canada flight, departing Thu, 13 Nov from Singapore to Seattle, returning Mon, 17 Nov, priced at HK$5,988 found 4 hours ago
United
Thu, 13 Nov - Mon, 17 Nov
SIN
Singapore
SEA
Seattle
HK$5,993 Return, found 4 hours ago
HK$5,993
Return
found 4 hours ago
Select United flight, departing Thu, 13 Nov from Singapore to Seattle, returning Mon, 17 Nov, priced at HK$5,993 found 4 hours ago
Cathay Pacific
Sat, 2 May - Sun, 17 May
SIN
Singapore
SEA
Seattle
HK$6,573 Return, found 20 hours ago
HK$6,573
Return
found 20 hours ago
Select Cathay Pacific flight, departing Sat, 2 May from Singapore to Seattle, returning Sun, 17 May, priced at HK$6,573 found 20 hours ago
STARLUX Airlines
Thu, 13 Nov - Mon, 17 Nov
SIN
Singapore
SEA
Seattle
HK$6,678 Return, found 4 hours ago
HK$6,678
Return
found 4 hours ago
Select STARLUX Airlines flight, departing Thu, 13 Nov from Singapore to Seattle, returning Mon, 17 Nov, priced at HK$6,678 found 4 hours ago
EVA Airways
Thu, 13 Nov - Mon, 17 Nov
SIN
Singapore
SEA
Seattle
HK$6,678 Return, found 4 hours ago
HK$6,678
Return
found 4 hours ago
Select EVA Airways flight, departing Thu, 13 Nov from Singapore to Seattle, returning Mon, 17 Nov, priced at HK$6,678 found 4 hours ago
China Airlines
Thu, 13 Nov - Mon, 17 Nov
SIN
Singapore
SEA
Seattle
HK$6,898 Return, found 4 hours ago
HK$6,898
Return
found 4 hours ago
Select China Airlines flight, departing Thu, 13 Nov from Singapore to Seattle, returning Mon, 17 Nov, priced at HK$6,898 found 4 hours ago
Singapore Airlines
Sat, 2 May - Sun, 17 May
SIN
Singapore
SEA
Seattle
HK$7,679 Return, found 20 hours ago
HK$7,679
Return
found 20 hours ago
Select Singapore Airlines flight, departing Sat, 2 May from Singapore to Seattle, returning Sun, 17 May, priced at HK$7,679 found 20 hours ago
All Nippon Airways
Thu, 30 Oct - Thu, 6 Nov
SIN
Singapore
SEA
Seattle
HK$8,253 Return, found 2 days ago
HK$8,253
Return
found 2 days ago
Select All Nippon Airways flight, departing Thu, 30 Oct from Singapore to Seattle, returning Thu, 6 Nov, priced at HK$8,253 found 2 days ago
Japan Airlines
Thu, 13 Nov - Mon, 17 Nov
SIN
Singapore
SEA
Seattle
HK$8,287 Return, found 4 hours ago
HK$8,287
Return
found 4 hours ago
Select Japan Airlines flight, departing Thu, 13 Nov from Singapore to Seattle, returning Mon, 17 Nov, priced at HK$8,287 found 4 hours ago

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

May is typically the cheapest month to fly

From HK$4,658 - HK$6,799 per traveller.

Flights from Singapore to Seattle

Book cheap flights from Singapore (SIN) to Seattle (SEA) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Singapore (SIN) to Seattle (SEA) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Singapore (SIN) to Seattle (SEA) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Seattle flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Seattle and things to do in Seattle for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Seattle more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Seattle is HK$3,459 now!

 

Frequently asked questions

How much is a flight from Singapore Airport to Sea-Tac Airport?
Round-trip tickets between SIN and SEA start from HK$5,808. 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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