฿16,095 Cheap Flights from Singapore (SIN) to Seattle (SEA)

View ฿16,095 flight on Tue, 7 Apr 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 and start at ฿16,095 for one-way flights and ฿25,795 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 10 Sept - Thu, 17 Sept
SIN
Singapore
SEA
Seattle
฿25,795 Return, found 21 hours ago
฿25,795
Return
found 21 hours ago
Select United flight, departing Thu, 10 Sept from Singapore to Seattle, returning Thu, 17 Sept, priced at ฿25,795 found 21 hours ago
STARLUX Airlines
Thu, 10 Sept - Thu, 17 Sept
SIN
Singapore
SEA
Seattle
฿26,105 Return, found 21 hours ago
฿26,105
Return
found 21 hours ago
Select STARLUX Airlines flight, departing Thu, 10 Sept from Singapore to Seattle, returning Thu, 17 Sept, priced at ฿26,105 found 21 hours ago
STARLUX Airlines
Thu, 20 Aug - Tue, 29 Sept
SIN
Singapore
SEA
Seattle
฿26,720 Return, found 3 days ago
฿26,720
Return
found 3 days ago
Select STARLUX Airlines flight, departing Thu, 20 Aug from Singapore to Seattle, returning Tue, 29 Sept, priced at ฿26,720 found 3 days ago
Korean Air
Thu, 10 Sept - Thu, 17 Sept
SIN
Singapore
SEA
Seattle
฿27,205 Return, found 21 hours ago
฿27,205
Return
found 21 hours ago
Select Korean Air flight, departing Thu, 10 Sept from Singapore to Seattle, returning Thu, 17 Sept, priced at ฿27,205 found 21 hours ago
EVA Airways
Sat, 4 Apr - Sat, 18 Apr
SIN
Singapore
SEA
Seattle
฿27,300 Return, found 6 days ago
฿27,300
Return
found 6 days ago
Select EVA Airways flight, departing Sat, 4 Apr from Singapore to Seattle, returning Sat, 18 Apr, priced at ฿27,300 found 6 days ago
EVA Airways
Thu, 10 Sept - Thu, 17 Sept
SIN
Singapore
SEA
Seattle
฿27,420 Return, found 21 hours ago
฿27,420
Return
found 21 hours ago
Select EVA Airways flight, departing Thu, 10 Sept from Singapore to Seattle, returning Thu, 17 Sept, priced at ฿27,420 found 21 hours ago
EVA Airways
Sat, 4 Apr - Sat, 18 Apr
SIN
Singapore
SEA
Seattle
฿27,910 Return, found 6 days ago
฿27,910
Return
found 6 days ago
Select EVA Airways flight, departing Sat, 4 Apr from Singapore to Seattle, returning Sat, 18 Apr, priced at ฿27,910 found 6 days ago
EVA Airways
Thu, 20 Aug - Tue, 29 Sept
SIN
Singapore
SEA
Seattle
฿28,035 Return, found 3 days ago
฿28,035
Return
found 3 days ago
Select EVA Airways flight, departing Thu, 20 Aug from Singapore to Seattle, returning Tue, 29 Sept, priced at ฿28,035 found 3 days ago
China Airlines
Thu, 20 Aug - Tue, 29 Sept
SIN
Singapore
SEA
Seattle
฿28,330 Return, found 3 days ago
฿28,330
Return
found 3 days ago
Select China Airlines flight, departing Thu, 20 Aug from Singapore to Seattle, returning Tue, 29 Sept, priced at ฿28,330 found 3 days ago
United
Thu, 10 Sept - Thu, 17 Sept
SIN
Singapore
SEA
Seattle
฿28,650 Return, found 21 hours ago
฿28,650
Return
found 21 hours ago
Select United flight, departing Thu, 10 Sept from Singapore to Seattle, returning Thu, 17 Sept, priced at ฿28,650 found 21 hours ago

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

May is typically the cheapest month to fly

From ฿19,357 - ฿28,126 per traveller.
Flight from Singapore to Seattle route information
Origin airport
Changi
Destination airport
Seattle - Tacoma Intl.
Return price
฿25,795
Distance
12903 km
Average flight time
14 hours 10 mins

Perfect flights from Singapore to Seattle

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Singapore to Seattle. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Changi to Seattle - Tacoma Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿16,095 and roundtrip prices from ฿25,795. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Seattle - Tacoma Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Seattle.

Frequently asked questions

How much is a flight from Singapore Airport to Sea-Tac Airport?
Round-trip tickets between SIN and SEA start from ฿25,795. 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.
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