Cheap Flights from Seattle to Singapore

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Compare Seattle to Singapore flight deals

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Flight deals from Seattle to Singapore

Looking for a cheap last-minute deal or the best return flight from Seattle to Singapore? If you want to travel next month, return fares start from $1,384. Find the lowest prices on one-way and return tickets right here.

Singapore.$1,306 per passenger.Departing Sat, 3 Oct, returning Sat, 17 Oct.Return flight with Singapore Airlines.Outbound direct flight with Singapore Airlines departs from Seattle / Tacoma International on Sat, 3 Oct, arriving in Singapore Changi.Inbound direct flight with Singapore Airlines departs from Singapore Changi on Sat, 17 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,306, select.

Singapore.$1,384 per passenger.Departing Wed, 19 Aug, returning Wed, 26 Aug.Return flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Wed, 19 Aug, arriving in Singapore Changi.Inbound indirect flight with Asiana Airlines, departs from Singapore Changi on Wed, 26 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,384, select.

Singapore.$1,409 per passenger.Departing Wed, 23 Sep, returning Wed, 30 Sep.Return flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Wed, 23 Sep, arriving in Singapore Changi.Inbound indirect flight with Asiana Airlines, departs from Singapore Changi on Wed, 30 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,409, select.

Singapore.$1,409 per passenger.Departing Wed, 11 Nov, returning Mon, 23 Nov.Return flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Wed, 11 Nov, arriving in Singapore Changi.Inbound indirect flight with Asiana Airlines, departs from Singapore Changi on Mon, 23 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,409, select.

Singapore.$1,410 per passenger.Departing Tue, 23 Mar, returning Tue, 30 Mar.Return flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Tue, 23 Mar, arriving in Singapore Changi.Inbound indirect flight with Asiana Airlines, departs from Singapore Changi on Tue, 30 Mar, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,410, select.

Singapore.$1,411 per passenger.Departing Mon, 8 Feb, returning Mon, 15 Feb.Return flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Mon, 8 Feb, arriving in Singapore Changi.Inbound indirect flight with Asiana Airlines, departs from Singapore Changi on Mon, 15 Feb, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,411, select.

Singapore.$1,412 per passenger.Departing Wed, 22 Jul, returning Mon, 31 Aug.Return flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Wed, 22 Jul, arriving in Singapore Changi.Inbound indirect flight with Asiana Airlines, departs from Singapore Changi on Mon, 31 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,412, select.

Singapore.$1,413 per passenger.Departing Tue, 12 Jan, returning Sun, 17 Jan.Return flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Tue, 12 Jan, arriving in Singapore Changi.Inbound indirect flight with Asiana Airlines, departs from Singapore Changi on Sun, 17 Jan, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,413, select.

Singapore.$1,414 per passenger.Departing Thu, 24 Sep, returning Thu, 1 Oct.Return flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Thu, 24 Sep, arriving in Singapore Changi.Inbound indirect flight with United, departs from Singapore Changi on Thu, 1 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,414, select.

Singapore.$1,415 per passenger.Departing Wed, 24 Feb, returning Wed, 10 Mar.Return flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Wed, 24 Feb, arriving in Singapore Changi.Inbound indirect flight with Asiana Airlines, departs from Singapore Changi on Wed, 10 Mar, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,415, select.

Singapore.$1,415 per passenger.Departing Tue, 19 Jan, returning Tue, 23 Feb.Return flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Tue, 19 Jan, arriving in Singapore Changi.Inbound indirect flight with Asiana Airlines, departs from Singapore Changi on Tue, 23 Feb, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,415, select.

Singapore.$1,416 per passenger.Departing Wed, 9 Sep, returning Mon, 30 Nov.Return flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Wed, 9 Sep, arriving in Singapore Changi.Inbound indirect flight with Asiana Airlines, departs from Singapore Changi on Mon, 30 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,416, select.

Singapore.$1,417 per passenger.Departing Mon, 12 Apr, returning Mon, 19 Apr.Return flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Mon, 12 Apr, arriving in Singapore Changi.Inbound indirect flight with Asiana Airlines, departs from Singapore Changi on Mon, 19 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,417, select.

Singapore.$1,425 per passenger.Departing Sun, 30 Aug, returning Sat, 5 Sep.Return flight with Singapore Airlines and Korean Air.Outbound indirect flight with Singapore Airlines, departs from Seattle / Tacoma International on Sun, 30 Aug, arriving in Singapore Changi.Inbound indirect flight with Korean Air, departs from Singapore Changi on Sat, 5 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,425, select.

Singapore.$1,427 per passenger.Departing Tue, 1 Dec, returning Wed, 9 Dec.Return flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Tue, 1 Dec, arriving in Singapore Changi.Inbound indirect flight with Asiana Airlines, departs from Singapore Changi on Wed, 9 Dec, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,427, select.

Singapore.$1,469 per passenger.Departing Sun, 7 Feb, returning Wed, 17 Feb.Return flight with Singapore Airlines.Outbound direct flight with Singapore Airlines departs from Seattle / Tacoma International on Sun, 7 Feb, arriving in Singapore Changi.Inbound direct flight with Singapore Airlines departs from Singapore Changi on Wed, 17 Feb, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,469, select.

Find the cheapest month to fly from Seattle to Singapore

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

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Direct flights from Seattle to Singapore

Alternative Seattle to Singapore routes

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

Seletar

14km from central Singapore

Closest

Search flights

Singapore Changi

18km from central Singapore

Cheapest

from $1,306

Search flights

Seattle to Singapore: Flight information

The things to know before you go.

Cheapest flight found	$1,306
Cheapest month to fly	October
Average flight time	16 hrs, 47 mins
Most popular airline	Singapore Airlines
Average flights per week	6

Finding cheap flights from Seattle to Singapore: Frequently asked questions

How many airports are there in Singapore?

There are 2 airports in Singapore: Seletar and Singapore Changi.

How much are return flights from Seattle to Singapore?

The best price we found for a return flight from Seattle to Singapore is $1,306. 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.

How long does it take to fly from Seattle to Singapore?

16 hours and 47 minutes is the average flight time from Seattle to Singapore.

Which airlines fly direct from Seattle to Singapore?

Singapore Airlines flies direct from Seattle to Singapore.

How many flights are there a week from Seattle to Singapore?

As of July 2026, there are 6 flights per week flying from Seattle to Singapore.

When is the cheapest time to fly from Seattle to Singapore?

The cheapest month to fly from Seattle to Singapore is usually October.

Which is the cheapest airport to fly into in Singapore?

If you're flying from Seattle, the cheapest airport near Singapore is Singapore Changi – which is 17.9 km away from the centre of Singapore. We've found flights into this airport from $1,306.

Which upcoming date is cheapest to fly from Seattle to Singapore on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Singapore on Saturday, 3 October 2026.

Can I get a direct flight from Seattle to Singapore?

Yes – the average flight time is 16 hours and 47 minutes.

How can I get the best flight deal from Seattle to Singapore?

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 Singapore 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.

When is the best time to book flights to Singapore?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Singapore is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in Singapore?

In July, the average temperature is usually around 27°C. May is typically the warmest month in Singapore, when it usually averages around 30°C. You can expect the least rain in February. The coldest month is December, with temperatures averaging 25°C. The rainiest month is December.

Which is the cheapest airline to fly from Seattle to Singapore with?

The cheapest airline that flies to Singapore is Singapore Airlines .

Flying from Seattle to Singapore: what you need to know

There are a couple of main airports you can start your trip from in Seattle. Check out your options departing from Seattle / Tacoma International Airport (SEA) or Seattle Lake Union SPB Airport (LKE) when reserving your flight from Seattle to Singapore.
Singapore Changi Airport (SIN) and Seletar Airport (XSP) are Singapore's major gateways.
The average duration of a direct Seattle to Singapore flight is 16 hours 35 minutes.
Singapore is 16 hours ahead of Seattle and is in the UTC+8 timezone.
Seattle / Tacoma International Airport (SEA) to Singapore Changi Airport (SIN) is the most traveled route between these two cities. There are five weekly departures to choose from. If you prefer a later start to the day, the last flight from Seattle to Singapore is with Singapore Airlines at 10:15. Choose the first SEA to SIN departure with Singapore Airlines at 08:45 to make the most of your arrival in Singapore.
To ensure you board your Seattle to Singapore flight, leave enough time for things like check-in and baggage drop. Arriving two hours before international departures and one hour before domestic flights is a good rule of thumb.
Flying during a peak month like July? School holidays and other high seasons can mean longer lines and delays at security. Play things extra safe and get there up to four hours ahead of an international flight and two hours before domestic departures.

How to find the cheapest flights from Seattle to Singapore

Book three months before flying. Pricing trends show that this is the ideal window for finding cheap Seattle to Singapore flights.
August is the best month for scoring an incredible deal on a plane ticket from Seattle to Singapore. If you'd like to travel during a different time of year, the 'Whole month' tool will show you the lowest prices for each month.
Locking in a cheap flight from Seattle to Singapore couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know when there's a better deal.
Choose your ideal arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your Seattle to Singapore flight results by 'Best,' 'Fastest' or 'Cheapest.'

Flying from Seattle

Seattle / Tacoma International Airport (SEA)

Jet off from Seattle / Tacoma International Airport (SEA) on a nonstop flight from Seattle to Singapore. From SEA, you can fly directly to Singapore Changi Airport (SIN).
Look out for deals with Singapore Airlines. This airline offers direct Seattle to Singapore plane tickets from SEA.
Stopovers are the ideal opportunity to break up your journey — and possibly even explore another city. When browsing Seattle to Singapore flights departing from Seattle / Tacoma International Airport, uncheck the 'Direct flights only' box to see where you can stop along the way. Some popular options include:
- Manila Ninoy Aquino Airport (MNL)
- Taipei Taiwan Taoyuan Airport (TPE)
- Tokyo Narita Airport (NRT)
Located around 19 kilometres from the centre of Seattle, SEA can be reached in about 25 minutes by car (depending on traffic). The journey by public transport will take roughly 35 minutes.
Want a hassle-free start to your holiday? Stay near Seattle / Tacoma International Airport. Whether you've booked an early flight from Seattle to Singapore or want to avoid feeling rushed, these hotels are ideal:
80% of flights departing from Seattle / Tacoma International Airport land at their destination according to schedule. Given its solid on-time performance, you're unlikely to experience delays when jetting out of SEA.

Arriving in Singapore

Singapore Changi Airport (SIN)

Singapore Changi Airport (SIN) to central Singapore takes about 25 minutes by car. The centre is roughly 18 kilometres away.
Getting there by public transport takes about 40 minutes.
If you're coming in on a late flight from Seattle to Singapore, nothing beats the convenience of staying near the terminal. Grab your luggage from the carousel and then be showered and resting not long after at one of these hotels near SIN:
Pick up a Singapore Changi Airport rental car and discover Singapore and beyond with your own wheels. Avis, Sixt and Green Motion are popular outlets you can book with here.
For the best deal, reserve your ride from Singapore Changi Airport about two weeks in advance of your Seattle to Singapore flight.

Seletar Airport (XSP)

Once your flight from Seattle to Singapore has arrived, you can make your way to the city centre in about 25 minutes by car. Central Singapore is approximately 14 kilometres from Seletar Airport (XSP).
If you travel by public transport, the journey will take you 1 hour or so.
Place the 'Do not disturb' sign on your door and rest at a hotel near XSP. Here are a few options where you can settle in after your flight from Seattle to Singapore:

Best time to go to Singapore

It's time to choose your travel dates for your flight from Seattle to Singapore. June is the most popular month for a trip to Singapore. If you prefer a quieter atmosphere, go in March.
Book a Seattle to Singapore ticket departing in May if you want to visit the city during its warmest month. Expect temperatures in Singapore to range from 25ºC to 31ºC.
January has average temperatures of between 24ºC and 30ºC. Search for cheap flights from Seattle to Singapore around that time if you like travelling in cooler conditions.

More about Singapore

When it comes to looking for somewhere to rest your head, you'll find the best places to stay in Singapore right here. Explore these hotels once you've booked your flight from Seattle to Singapore:
Marina Bay Sands and Gardens by the Bay are a couple of leading attractions to put on your Singapore travel itinerary. Keep the momentum going by heading to Merlion.