Cheap flights from Singapore to Seattle

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Flight deals from Singapore to Seattle

Looking for a cheap last-minute deal or the best round-trip flight from Singapore to Seattle? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Singapore to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Singapore to Seattle flights are currently cheapest in May.

Direct flights from Singapore to Seattle

Alternative Singapore to Seattle routes

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

Singapore to Seattle: Flight information

The things to know before you go.
Cheapest flight foundC$826
Cheapest month to flyMay
Average flight time14 hrs, 22 mins
Most popular airlineSingapore Airlines
Average flights per week6

Finding cheap flights from Singapore 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 round-trip flight from Singapore to Seattle is C$826. 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 to Seattle.
Singapore Airlines flies direct from Singapore to Seattle.
There are 6 flights per week flying from Singapore to Seattle, as of May 2025.
The cheapest month to fly from Singapore to Seattle is usually May 2025.
If you're flying from Singapore, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the center of Seattle. We've found flights to this airport from C$826.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Singapore to Seattle on Sunday, May 11, 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.
The cheapest airline that flies to Seattle is Asiana Airlines, and the cheapest airline that flies to Seattle Boeing Fld Airport is Singapore Airlines.

Flying from Singapore to Seattle: what you need to know

  • Singapore has two main airports where you can set off on your adventure. Check out your options for reserving a flight from Singapore to Seattle departing from Changi International Airport (SIN) or Seletar Airport (XSP).

  • Step off your plane in Seattle at Seattle-Tacoma International Airport (SEA) or Lake Union Sea Plane Base Airport (LKE).

  • Take a direct Singapore to Seattle flight and you'll be travelling for an average of 14 hours 30 minutes.

  • The timezone in Seattle is UTC-7, which is 15 hours behind Singapore.

  • With five weekly flights between the two airports, Changi International Airport (SIN) to Seattle-Tacoma International Airport (SEA) is the most popular route. Board the first flight from Singapore to Seattle with Singapore Airlines at 09:00. If you'd like to make the most of your day before taking off, the latest departure from SIN to SEA is with Singapore Airlines at 09:05.

  • To ensure you make it on your Singapore to Seattle flight, leave plenty of time for things like check-in and baggage drop. Arriving two hours before international departures and an hour before domestic flights is the general rule to follow.

  • During popular months like April, it's best to get to the airport well in advance. Arrive two hours before a domestic departure and four hours ahead of international flights whenever you're flying during high season in general.

How to find the cheapest flights from Singapore to Seattle

  • Book two months before flying. Research into pricing trends suggests this is the ideal window for finding cheap Singapore to Seattle flights.

  • The best month for scoring cheap plane tickets from Singapore to Seattle is May. Use the 'Whole month' tool to compare all available prices, then choose the dates that offer the lowest fares.

  • Finding a cheap flight from Singapore to Seattle is a breeze with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know when there's a better deal.

  • Select your preferred departure and arrival times, number of stops and airlines by using the filters. Alternatively, sort your Singapore to Seattle flight results by 'Cheapest,' 'Best' or 'Fastest.'

Flying from Singapore

Changi International Airport (SIN)

  • Depart from Changi International Airport (SIN) on a nonstop flight from Singapore to Seattle. From SIN, you can fly directly into Seattle-Tacoma International Airport (SEA).

  • Keep an eye out for promotions with Singapore Airlines. This airline offers direct Singapore to Seattle plane tickets out of SIN.

  • We make it simple to book a Singapore to Seattle flight with a stopover. To see your options leaving from Changi International Airport, deselect 'Direct flights only.' Then, simply choose a flight that has a stop long enough to see the sights of your chosen city. Top stopovers include:

    • Ninoy Aquino International Airport (MNL)

    • Narita International Airport (NRT)

    • Vancouver International Airport (YVR)

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

  • Catching an early flight from Singapore to Seattle? Avoid the last-minute rush to the airport (and sneak in some extra precious sleep) by choosing one of these stays close to Changi International Airport:

  • When it comes to the on-time performance of Changi International Airport, data shows 68.95% of flights stick to their scheduled arrival time.

Arriving in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) is approximately 18 kilometres from central Seattle. If you're catching a cab or a ride-share, the drive will take around 20 minutes.

  • Getting there on public transport will take you around 55 minutes.

  • The last thing you need is a long journey to your hotel if you're arriving on a late flight from Singapore to Seattle. Check in to one of these accommodation options near SEA instead:

  • Grab a Seattle-Tacoma International Airport rental car and explore Seattle and beyond with your own wheels. Thrifty, Europcar and Budget are top providers to choose from here.

  • Reserving your ride from Seattle-Tacoma International Airport around one week ahead boosts your odds of scoring a great price.

Lake Union Sea Plane Base Airport (LKE)

  • Once your flight from Singapore to Seattle has touched down, you can get to the city centre in about 10 minutes by car. Central Seattle is roughly 3 kilometres from Lake Union Sea Plane Base Airport (LKE).

  • If you choose to travel on public transport, the ride to the centre takes 25 minutes or so.

  • There are some comfortable places to lay your head close to LKE. Kick back after your Singapore to Seattle flight at any of these perfectly located options:

Best time to go to Seattle

  • It's time to pick your trip dates for your flight from Singapore to Seattle. July is the most popular month for a trip to Seattle. If you want a quieter vibe, go in May.

  • When booking your Singapore to Seattle tickets, consider the type of weather you enjoy. 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). Look for cheap flights from Singapore to Seattle around that time if you like travelling in cooler conditions.

More about Seattle

  • When it comes to looking for somewhere to rest your head, you'll find the best places to stay in Seattle right here. Explore these options once you've locked in your flight from Singapore to Seattle:

  • Greyhound: Bus Station and LMN Architects are just the start of the top-rated attractions to add to your Seattle travel itinerary. Keep the adventure rolling by checking out Boeing Radiation Effects Lab.

Explore more of United States

  • Seattle will leave a lasting impression, but there are so many other corners of United States just waiting to be explored. Around 241 kilometres south of Seattle, a visit to Portland will fill your itinerary to the brim. Start with leading attractions like Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

  • Around 370 kilometres east of Seattle, Spokane is another essential stop in United States. Get a taste of what this destination has to offer at Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

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