Cheap Flights from Washington Dulles to Singapore Changi

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Compare Washington Dulles to Singapore Changi flight deals

Find the cheapest month or even day of the year to fly to Singapore Changi

Book the best Singapore Changi fare with no extra fees

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Flight deals from Washington Dulles to Singapore Changi

Looking for a cheap last-minute deal or the best return flight from Washington Dulles Airport to Singapore Changi Airport? If you want to travel next month, return fares start from $1,789. Find the lowest prices on one-way and return tickets right here.

Singapore.$1,730 per passenger.Departing Wed, 21 Oct, returning Wed, 28 Oct.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Washington Dulles on Wed, 21 Oct, arriving in Singapore Changi.Inbound indirect flight with Etihad Airways, departs from Singapore Changi on Wed, 28 Oct, arriving in Washington Dulles.Price includes taxes and charges.From $1,730, select.

Singapore.$1,789 per passenger.Departing Sun, 20 Sep, returning Mon, 5 Oct.Return flight with Korean Air.Outbound indirect flight with Korean Air, departs from Washington Dulles on Sun, 20 Sep, arriving in Singapore Changi.Inbound indirect flight with Korean Air, departs from Singapore Changi on Mon, 5 Oct, arriving in Washington Dulles.Price includes taxes and charges.From $1,789, select.

Singapore.$1,789 per passenger.Departing Mon, 21 Sep, returning Tue, 29 Sep.Return flight with Korean Air.Outbound indirect flight with Korean Air, departs from Washington Dulles on Mon, 21 Sep, arriving in Singapore Changi.Inbound indirect flight with Korean Air, departs from Singapore Changi on Tue, 29 Sep, arriving in Washington Dulles.Price includes taxes and charges.From $1,789, select.

Singapore.$1,790 per passenger.Departing Mon, 5 Oct, returning Thu, 19 Nov.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Washington Dulles on Mon, 5 Oct, arriving in Singapore Changi.Inbound indirect flight with Etihad Airways, departs from Singapore Changi on Thu, 19 Nov, arriving in Washington Dulles.Price includes taxes and charges.From $1,790, select.

Singapore.$1,863 per passenger.Departing Fri, 28 Aug, returning Fri, 23 Oct.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Washington Dulles on Fri, 28 Aug, arriving in Singapore Changi.Inbound indirect flight with Etihad Airways, departs from Singapore Changi on Fri, 23 Oct, arriving in Washington Dulles.Price includes taxes and charges.From $1,863, select.

Singapore.$1,871 per passenger.Departing Wed, 10 Feb, returning Tue, 16 Mar.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Washington Dulles on Wed, 10 Feb, arriving in Singapore Changi.Inbound indirect flight with Etihad Airways, departs from Singapore Changi on Tue, 16 Mar, arriving in Washington Dulles.Price includes taxes and charges.From $1,871, select.

Singapore.$1,871 per passenger.Departing Wed, 13 Jan, returning Mon, 25 Jan.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Washington Dulles on Wed, 13 Jan, arriving in Singapore Changi.Inbound indirect flight with Etihad Airways, departs from Singapore Changi on Mon, 25 Jan, arriving in Washington Dulles.Price includes taxes and charges.From $1,871, select.

Singapore.$1,871 per passenger.Departing Tue, 3 Nov, returning Thu, 12 Nov.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Washington Dulles on Tue, 3 Nov, arriving in Singapore Changi.Inbound indirect flight with Etihad Airways, departs from Singapore Changi on Thu, 12 Nov, arriving in Washington Dulles.Price includes taxes and charges.From $1,871, select.

Singapore.$1,871 per passenger.Departing Wed, 3 Feb, returning Mon, 15 Feb.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Washington Dulles on Wed, 3 Feb, arriving in Singapore Changi.Inbound indirect flight with Etihad Airways, departs from Singapore Changi on Mon, 15 Feb, arriving in Washington Dulles.Price includes taxes and charges.From $1,871, select.

Singapore.$1,872 per passenger.Departing Wed, 10 Mar, returning Wed, 24 Mar.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Washington Dulles on Wed, 10 Mar, arriving in Singapore Changi.Inbound indirect flight with Etihad Airways, departs from Singapore Changi on Wed, 24 Mar, arriving in Washington Dulles.Price includes taxes and charges.From $1,872, select.

Singapore.$1,873 per passenger.Departing Sun, 22 Nov, returning Tue, 1 Dec.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Washington Dulles on Sun, 22 Nov, arriving in Singapore Changi.Inbound indirect flight with Etihad Airways, departs from Singapore Changi on Tue, 1 Dec, arriving in Washington Dulles.Price includes taxes and charges.From $1,873, select.

Singapore.$1,873 per passenger.Departing Wed, 30 Dec, returning Thu, 14 Jan.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Washington Dulles on Wed, 30 Dec, arriving in Singapore Changi.Inbound indirect flight with Etihad Airways, departs from Singapore Changi on Thu, 14 Jan, arriving in Washington Dulles.Price includes taxes and charges.From $1,873, select.

Singapore.$1,877 per passenger.Departing Tue, 29 Dec, returning Tue, 29 Jun.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Washington Dulles on Tue, 29 Dec, arriving in Singapore Changi.Inbound indirect flight with Etihad Airways, departs from Singapore Changi on Tue, 29 Jun, arriving in Washington Dulles.Price includes taxes and charges.From $1,877, select.

Singapore.$1,877 per passenger.Departing Wed, 14 Apr, returning Wed, 28 Apr.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Washington Dulles on Wed, 14 Apr, arriving in Singapore Changi.Inbound indirect flight with Etihad Airways, departs from Singapore Changi on Wed, 28 Apr, arriving in Washington Dulles.Price includes taxes and charges.From $1,877, select.

Singapore.$1,884 per passenger.Departing Tue, 6 Apr, returning Thu, 10 Jun.Return flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Washington Dulles on Tue, 6 Apr, arriving in Singapore Changi.Inbound indirect flight with Etihad Airways, departs from Singapore Changi on Thu, 10 Jun, arriving in Washington Dulles.Price includes taxes and charges.From $1,884, select.

Singapore.$1,914 per passenger.Departing Tue, 1 Dec, returning Tue, 8 Dec.Return flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Washington Dulles on Tue, 1 Dec, arriving in Singapore Changi.Inbound indirect flight with Turkish Airlines, departs from Singapore Changi on Tue, 8 Dec, arriving in Washington Dulles.Price includes taxes and charges.From $1,914, select.

Find the cheapest month to fly from Washington Dulles to Singapore Changi

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

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Washington Dulles to Singapore Changi: Alternative routes

Compare routes from Washington Dulles to Singapore below. You may find an airport to fly into that's cheaper, faster, or easier than Singapore Changi.

Seletar

14km from central Singapore

Closest

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Singapore Changi

18km from central Singapore

Cheapest

from $1,730

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Washington D.C. to Singapore: Flight information

The things to know before you go.

Cheapest flight found	$1,730
Cheapest month to fly	October

Finding cheap flights from Washington Dulles to Singapore Changi: Frequently asked questions

How much are return flights from Washington Dulles to Singapore Changi?

The best price we found for a return flight from Washington Dulles to Singapore Changi is $1,726. 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.

Which airlines fly direct from Washington Dulles to Singapore Changi?

Currently, there are no airlines that fly direct from Washington Dulles to Singapore Changi. But we found flights with one or more stops from $1,730.

How many flights are there a week from Washington Dulles to Singapore Changi?

As of August 2026, there are no flights flying from Washington Dulles to Singapore Changi.

When is the cheapest time to fly from Washington Dulles to Singapore Changi?

The cheapest month to fly from Washington Dulles to Singapore Changi is usually October.

Which upcoming date is cheapest to fly from Washington Dulles Airport to Singapore Changi Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Singapore Changi Airport on Wednesday, 21 October 2026.

Can I get a direct flight from Washington Dulles Airport to Singapore Changi Airport?

No airlines currently offer direct flights between Washington Dulles Airport and Singapore Changi Airport. Most routes have one or more stops.

How can I find the best flight deal to Singapore Changi?

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 Changi 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.

Which is the cheapest airline to fly from Washington Dulles Airport to Singapore Changi with?

Currently, Etihad Airways offers the cheapest flight tickets to Singapore Changi.

Flying from Washington Dulles Airport (IAD) to Singapore Changi Airport (SIN): what you need to know

Singapore's timezone is UTC+8, which makes Singapore 13 hours ahead of Washington DC.
For a stress-free journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to catch your IAD to SIN flight.
Travelling during a peak time such as July? Public holidays and other high seasons can result in longer queues and delays at check-in and security. Play things extra safe and get there up to four hours before an international flight and two hours before a domestic departure.
We make it easy to book a flight with a stopover. To see your options for tickets from Washington Dulles Airport to Singapore Changi Airport, uncheck 'Direct flights only.' Then, pick a flight with a stop long enough to visit the city of your choice. Popular stopovers between IAD and SIN include:
- Beijing Capital Airport
- Tokyo Haneda Airport
- New York Newark Airport

Handy information about Washington Dulles Airport (IAD)

IAD's address is 1 Saarinen Circle.
77% of flights that take off from Washington Dulles Airport reach their destination on time.
To get to Washington Dulles Airport from central Washington DC, it'll take about 45 minutes if you're planning to drive. Of course, this depends on traffic. It's approximately 40 kilometres from the airport to the city centre.
Taking public transport? Expect a journey time of around 1 hour 10 minutes.
Get your journey off to a hassle-free start by staying near IAD. Whether you're boarding an early flight from Washington Dulles Airport to Singapore Changi Airport or want to avoid feeling rushed, these stays are the answer:

Arriving at Singapore Changi Airport (SIN)

If you're coming in on a late Washington Dulles Airport to Singapore Changi Airport flight, few things top the convenience of staying close to the terminal. Collect your bags from the carousel and then be showered and relaxing shortly after at one of these hotels near SIN:
Get your adventure underway by picking up a Singapore Changi Airport rental car. Grab a set of wheels from Avis, Sixt or Green Motion and explore beyond Singapore's usual tourist stops.
Get the best deal by reserving your ride from Singapore Changi Airport about two weeks ahead of your departure.

When to fly to Singapore Changi Airport (SIN)

The quietest month for a flight from Washington Dulles Airport to Singapore Changi Airport is March, while June is the busiest. Choose the best time to visit Singapore based on whether you prefer a bustling atmosphere or a more laid-back vibe.
Book your flight from Washington Dulles Airport to Singapore Changi Airport for May if you want to go to Singapore during its warmest month. Expect temperatures of between 25ºC and 31ºC.
January has average temperatures of between 24ºC and 30ºC. Search for cheap tickets from IAD to SIN around that time if you'd rather travel in cooler conditions.