€497 Cheap Flights Singapore to Seattle (SIN-SEA)

View €497 flight on Mon, 30 Nov 2026Opens 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 €497 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much is a flight from Singapore Airport to Sea-Tac Airport?
Round-trip tickets between SIN and SEA start from . 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.
Distance
12903 km
Average flight time
15 hours 15 mins

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