Cheap Flights from Singapore to Seattle

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

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Flight deals from Singapore to Seattle

Looking for a cheap last-minute deal or the best return flight from Singapore to Seattle? Find the lowest prices on one-way and return 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 October.

Direct flights from Singapore to Seattle

Singapore to Seattle: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 1,556
Cheapest month to flyOctober
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 return flight from Singapore to Seattle is ر.ق.‏ 2,739. 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.
As of February 2026, there are 6 flights per week flying from Singapore to Seattle.
The cheapest month to fly from Singapore to Seattle is usually September.
If you're flying from Singapore, 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 ر.ق.‏ 2,739.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Singapore to Seattle on Thursday, 10 September 2026.
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 February, the average temperature is usually around 4°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 United. And the cheapest airline that flies to Seattle Boeing Fld Airport is Singapore Airlines.

Flying from Singapore to Seattle: what you need to know

  • Begin planning your holiday by considering where you'll catch your flight from Singapore to Seattle. Changi International Airport (SIN) and Seletar Airport (XSP) are the main airports in Singapore.

  • Seattle-Tacoma International Airport (SEA) and Lake Union Sea Plane Base Airport (LKE) are Seattle's major entry points.

  • Around 14 hours 30 minutes is how long you can expect to be travelling on a direct Singapore to Seattle flight.

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

  • The most popular route for flights from Singapore to Seattle is from Changi International Airport (SIN) to Seattle-Tacoma International Airport (SEA). You can choose from five weekly services between these two airports. If you'd like to set off at the first opportunity, the earliest flight from SIN to SEA is the 09:00 Singapore Airlines service. If you have other commitments or plans on your day of travel, the last available departure is at 09:00 with Singapore Airlines.

  • For hassle-free travel, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This leaves you with plenty of time to catch your Singapore to Seattle flight.

  • During popular months such as August, you'll want to get to the airport well in advance. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight when you fly 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)

  • You can get a direct flight from Singapore to Seattle taking off from Changi International Airport (SIN). Begin your trip at SIN and come in for landing at Seattle-Tacoma International Airport (SEA).

  • Lock in your Singapore to Seattle plane tickets with Singapore Airlines. This carrier is a top pick for direct flights from SIN.

  • We make it simple to find a Singapore to Seattle flight with a stopover. To see the options departing from Changi International Airport, deselect 'Direct flights only.' Then, select a flight that has a stop long enough to see the sights of the city of your choice. Some popular stopovers include:

    • Ninoy Aquino International Airport (MNL)

    • Vancouver International Airport (YVR)

    • Narita International Airport (NRT)

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

  • Searching for a handy hotel near Changi International Airport? If you've booked an early flight from Singapore to Seattle, these accommodation options will have you moments from your departure gate:

  • 68.95% of flights that depart Changi International Airport reach their destination on time.

Arriving in Seattle

Seattle-Tacoma International Airport (SEA)

  • The distance from Seattle-Tacoma International Airport (SEA) to central Seattle is approximately 19 kilometres. It takes around 20 minutes to reach the centre driving.

  • When travelling by public transport, expect a journey time of around 55 minutes.

  • If you have a late flight from Singapore to Seattle, few things beat the convenience of staying close to the terminal. Grab your luggage from the carousel and then be showered and relaxing not long after at one of these accommodation options near SEA:

  • Go where the road takes you with a Seattle-Tacoma International Airport rental car. Pick up a set of wheels from Thrifty, Europcar or Budget and venture far and wide through Seattle and beyond.

  • Reserving your vehicle from Seattle-Tacoma International Airport around one week ahead can help you secure the lowest rate.

Lake Union Sea Plane Base Airport (LKE)

  • Lake Union Sea Plane Base Airport (LKE) is around 3 kilometres from the centre of Seattle. After your flight from Singapore to Seattle, it'll take you approximately 10 minutes to get to the heart of the city in a cab or ride-share.

  • If you choose to travel on public transport, you'll get to the city centre in 25 minutes or so.

  • You'll find some comfortable places ready to welcome you near LKE. Unwind after your Singapore to Seattle flight at one of these well-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 to 28ºC.

  • February has average temperatures of between -1ºC and 11ºC. 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 searching for somewhere to lay 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:

  • There are so many things to discover in this city it can be difficult to know where to begin. Greyhound: Bus Station, LMN Architects and Boeing Radiation Effects Lab are major attractions which should be on any well-planned Seattle itinerary.

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.