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Cheap flight tickets from Singapore Changi to Seattle

Travellers and cabin class

Compare Singapore Changi to Seattle flight deals

Find the cheapest month or even day of the year to fly to Seattle

Book the best Seattle fare with no extra fees

Flight deals from Singapore Changi to Seattle

Looking for a cheap last-minute deal or the best return flight from Singapore Changi to Seattle? Find the lowest prices on one-way and return tickets right here.
Seattle.RM2,541 per passenger.Departing Mon, 2 Jun, returning Wed, 11 Jun.Return flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Singapore Changi on Mon, 2 Jun, arriving in Seattle / Tacoma International.Inbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Wed, 11 Jun, arriving in Singapore Changi.Price includes taxes and charges.From RM2,541, select.
Seattle.RM2,664 per passenger.Departing Tue, 27 May, returning Wed, 4 Jun.Return flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Singapore Changi on Tue, 27 May, arriving in Seattle / Tacoma International.Inbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Wed, 4 Jun, arriving in Singapore Changi.Price includes taxes and charges.From RM2,664, select.
Seattle.RM2,668 per passenger.Departing Sun, 18 May, returning Sat, 24 May.Return flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Singapore Changi on Sun, 18 May, arriving in Seattle / Tacoma International.Inbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Sat, 24 May, arriving in Singapore Changi.Price includes taxes and charges.From RM2,668, select.
Seattle.RM3,146 per passenger.Departing Sat, 24 May, returning Fri, 5 Dec.Return flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Singapore Changi on Sat, 24 May, arriving in Seattle / Tacoma International.Inbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Fri, 5 Dec, arriving in Singapore Changi.Price includes taxes and charges.From RM3,146, select.
Seattle.RM3,155 per passenger.Departing Tue, 17 Jun, returning Sun, 17 Aug.Return flight with United.Outbound indirect flight with United, departs from Singapore Changi on Tue, 17 Jun, arriving in Seattle / Tacoma International.Inbound indirect flight with United, departs from Seattle / Tacoma International on Sun, 17 Aug, arriving in Singapore Changi.Price includes taxes and charges.From RM3,155, select.
Seattle.RM3,159 per passenger.Departing Tue, 15 Jul, returning Thu, 14 Aug.Return flight with United.Outbound indirect flight with United, departs from Singapore Changi on Tue, 15 Jul, arriving in Seattle / Tacoma International.Inbound indirect flight with United, departs from Seattle / Tacoma International on Thu, 14 Aug, arriving in Singapore Changi.Price includes taxes and charges.From RM3,159, select.
Seattle.RM3,165 per passenger.Departing Mon, 20 Oct, returning Thu, 23 Oct.Return flight with STARLUX Airlines.Outbound indirect flight with STARLUX Airlines, departs from Singapore Changi on Mon, 20 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with STARLUX Airlines, departs from Seattle / Tacoma International on Thu, 23 Oct, arriving in Singapore Changi.Price includes taxes and charges.From RM3,165, select.
Seattle.RM3,173 per passenger.Departing Mon, 29 Sep, returning Sun, 5 Oct.Return flight with STARLUX Airlines.Outbound indirect flight with STARLUX Airlines, departs from Singapore Changi on Mon, 29 Sep, arriving in Seattle / Tacoma International.Inbound indirect flight with STARLUX Airlines, departs from Seattle / Tacoma International on Sun, 5 Oct, arriving in Singapore Changi.Price includes taxes and charges.From RM3,173, select.

Find the cheapest month to fly from Singapore Changi to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Singapore Changi to Seattle flights are currently cheapest in June.
May
from RM2,668
Jun
from RM2,541
Jul
from RM3,253
Aug
from RM3,959
Sep
from RM3,173
Oct
from RM3,165
Nov
from RM3,184
Dec
from RM3,555
Jan
from RM3,698
Feb
from RM3,551
Mar
from RM3,493
Apr
from RM3,630

Direct flights from Singapore Changi to Seattle

Alternative Singapore Changi to Seattle routes

Looking for the cheapest, fastest or easiest route from Singapore Changi to Seattle? You could fly into the following airports instead.

Singapore to Seattle: Flight information

The things to know before you go.
Cheapest flight foundRM2,541
Cheapest month to flyJune
Average flight time14 hrs, 22 mins
Most popular airlineSingapore Airlines
Average flights per week6

Finding cheap flights from Singapore Changi to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Singapore Changi to Seattle is RM2,541. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
14 hours and 22 minutes is the average flight time from Singapore Changi to Seattle.
Singapore Airlines flies direct from Singapore Changi to Seattle.
As of May 2025, there are 6 flights per week flying from Singapore Changi to Seattle.
The cheapest month to fly from Singapore Changi to Seattle is usually May 2025.
If you're flying from Singapore Changi Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from RM2,541.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Singapore Changi Airport to Seattle on Monday, 2 June 2025.
Yes – the average flight time is 14 hours and 22 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 12°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, Asiana Airlines and Singapore Airlines offer the cheapest flight tickets to Seattle.

Travelling from Changi International Airport (SIN) to Seattle: what you need to know

  • Expect to be in the air for 16 hours 40 minutes. That's the average duration of a direct flight from Changi International Airport to Seattle.

  • Seattle is 15 hours behind Singapore, where Changi International Airport is located. Seattle follows the UTC-7 timezone.

  • With five flights a week between the two airports, Changi International Airport (SIN) to Seattle-Tacoma International Airport (SEA) is the most popular route. Catch Singapore Airlines's 09:00 flight to get your trip from SIN to SEA underway.

  • Leave plenty of time to make your SIN to Seattle flight. As a rule of thumb, arrive two hours before international departures and an hour ahead for domestic flights.

  • Heading away during a peak time like a bank holiday? Expect longer queues at check-in and security. To give yourself peace of mind, arrive up to four hours before international flights and two hours ahead of domestic departures.

  • Begin your trip at SIN and fly straight to Seattle-Tacoma International Airport (SEA). That's where you can expect to land when searching for Changi International Airport to Seattle tickets.

  • Singapore Airlines is a popular airline that operates direct flights from Changi International Airport to Seattle.

  • A stopover is the perfect opportunity to break up your journey and maybe even explore a different city. When searching for flight tickets from SIN to Seattle, deselect the 'Direct flights only' box to see where you can visit along the way. Popular options include:

    • Ninoy Aquino International Airport (MNL)

    • Vancouver International Airport (YVR)

    • Narita International Airport (NRT)

  • Travelling from central Singapore to SIN takes around 1 hour on public transport. If you ride-share, drive or get a cab, you'll cover the 18 kilometres in 20 minutes or so, depending on traffic conditions.

  • Looking for a hotel near SIN? If you're boarding an early flight from Changi International Airport to Seattle, these stays will put you moments from your departure gate:

  • 68.95% of flights that depart Changi International Airport touch down at their destination on time.

How to find the cheapest flights from Changi International Airport (SIN) to Seattle

  • The best price we've found for a one-way Changi International Airport to Seattle flight is RM1,962. The cheapest price for a return flight is RM2,541. Bear in mind fares may change due to demand at the time of booking.

  • To secure cheap flights from SIN to Seattle, reserve your trip one month before your planned departure.

  • Plan your trip for May. That's the best month for scoring an awesome deal on Changi International Airport to Seattle tickets. If your travel dates are flexible, use the 'Whole month' tool to access the cheapest price across each month.

  • Finding a cheap flight from SIN to Seattle is a breeze with Price Alerts. Simply create one of these automatic notifications and we'll get in touch as soon as a better deal is available.

  • Tailor your flights with filters. Select your preferred departure and arrival times, airlines and total journey duration. You can also sort the results by 'Best,' 'Fastest' or 'Cheapest' flights from Changi International Airport to Seattle.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) is around 23 kilometres from the centre of Seattle. If you're opting for a ride-share or a cab, the drive takes roughly 20 minutes.

  • It typically takes 55 minutes when travelling by public transport.

  • The last thing you need is a lengthy journey to your hotel if you're landing late on a flight from Changi International Airport to Seattle. Book one of these accommodation options near SEA instead:

  • Grab a Seattle-Tacoma International Airport rental car and discover Seattle and beyond with your own wheels. Thrifty, Europcar and Budget are well-known companies to choose from here.

  • For the lowest price, reserve your vehicle from Seattle-Tacoma International Airport about one week ahead of your flight from SIN to Seattle.

Lake Union Sea Plane Base Airport (LKE)

  • The centre of Seattle is about 3 kilometres from Lake Union Sea Plane Base Airport (LKE). Once your flight from Changi International Airport to Seattle has touched down and you've made your way through the terminal, the drive should be around 10 minutes.

  • Travelling by public transport will take about 25 minutes.

  • You'll find some comfortable places to rest your head close to LKE. Settle in and get cosy after your SIN to Seattle flight at any of these perfectly located options:

Best time to go to Seattle

  • Before you book your flights from Changi International Airport to Seattle, consider which time of year works best for you. Peak season in Seattle offers a lively atmosphere and plenty of activities, while low season brings better hotel deals and fewer crowds.

  • Before locking in your Changi International Airport to Seattle flight ticket, think about what kind of weather works for you. August is the warmest month in Seattle, with temperatures ranging from 12ºC (54ºF) to 28ºC (82ºF).

  • February has average temperatures of between -1ºC (30ºF) and 11ºC (52ºF). Search for a cheap ticket from SIN to Seattle around that time if you want to travel when it's cooler.

More about Seattle

  • Start your Seattle trip off on the right foot by choosing the perfect place to stay. As soon as you've booked your flight from Changi International Airport to Seattle, check out our selection of accommodation options including:

  • All great holidays should include some sightseeing. LMN Architects, Greyhound: Bus Station and Boeing Radiation Effects Lab are essential stops on your Seattle itinerary.

Explore more of United States

  • Seattle has plenty to offer, but there are so many other corners of United States waiting to be discovered. About 241 kilometres south of Seattle, a trip to Portland will keep you on the move. Start with attractions like Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

  • If you want to check out another side of United States, consider Spokane, roughly 370 kilometres east of Seattle. Manito Park, Northwest Museum of Arts & Culture and Spokane Falls are the start of reasons to visit.

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Plan the rest of your trip from Singapore to Seattle

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.