Cheap Flights from Washington Dulles to Singapore

Compare Washington Dulles to Singapore flight deals

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

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Flight deals from Washington Dulles Airport to Singapore

Looking for a cheap last-minute deal or the best return flight from Washington Dulles Airport to Singapore? If you want to travel next month, return fares start from $1,502. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Washington Dulles to Singapore

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

Alternative Washington Dulles to Singapore routes

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

Washington D.C. to Singapore: Flight information

The things to know before you go.
Cheapest flight found$1,487
Cheapest month to flyFebruary

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

There are 2 airports in Singapore: Seletar and Singapore Changi.
The best price we found for a return flight from Washington Dulles to Singapore is $1,487. 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.
Currently, there are no airlines that fly direct from Washington Dulles to Singapore. But we found flights with one or more stops from $1,487.
As of February 2026, there are no flights flying from Washington Dulles to Singapore.
The cheapest month to fly from Washington Dulles to Singapore is usually February.
If you're flying from Washington Dulles Airport, 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 $1,487.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Singapore on Tuesday, 3 February 2026.
No airlines currently offer direct flights between Washington Dulles Airport and Singapore. Most routes have one or more stops.
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.
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.
In February, 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.
Currently, Etihad Airways offers the cheapest flight tickets to Singapore.

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

  • Washington Dulles International Airport is located in Washington DC. Following the UTC+8 timezone, Singapore is 12 hours ahead of Washington DC.

  • Leave enough time to get on your IAD to Singapore flight. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Delays at security and check-in are likely if you're flying during high season, so allow some extra wiggle room. A good rule of thumb for peak times? Get there up to four hours ahead for international flights and at least two hours for domestic departures.

  • Think about adding a stopover to potentially unlock a cheaper flight ticket from IAD to Singapore. Simply deselect 'Direct flights only' during your search. Take a detour (and maybe pocket some savings) by stopping at one of these popular options:

    • Haneda Airport (HND)

    • Beijing Capital International Airport (PEK)

    • Newark Liberty International Airport (EWR)

  • Travelling from central Washington DC to IAD takes about 1 hour 10 minutes by public transport. If you drive, ride-share or take a cab, you'll cover the 40 kilometres in 50 minutes or so, depending on traffic.

  • In search of a hotel close to IAD? If you've booked an early flight from Washington Dulles International Airport to Singapore, these stays put the terminal practically at your doorstep:

  • When it comes to the on-time performance of Washington Dulles International Airport, 74.39% of flights meet their scheduled arrival time.

  • IAD is located at 1 Saarinen Circle.

How to find the cheapest flights from Washington Dulles International Airport (IAD) to Singapore

  • $672 is currently the lowest price for a one-way Washington Dulles International Airport to Singapore flight. A return flight ticket starts from $1,487. These prices can change based on availability and demand.

  • Booking in advance is often the key to scoring a cheap flight from IAD to Singapore. Airlines adjust prices based on demand, so the closer you get to departure, the more expensive your ticket may be.

  • The 'Whole month' search tool will show you the cheapest tickets from Washington Dulles International Airport to Singapore across the entire month. It's an easy way to find a bargain if your plans aren't set in stone.

  • Finding a cheap flight from IAD to Singapore is easy with Price Alerts. All you need to do is create one of these automatic notifications and we'll get in touch as soon as there's a better deal.

  • Find a cheap flight from Washington Dulles International Airport to Singapore with the help of our filters. Select your ideal times, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Singapore

Changi International Airport (SIN)

  • The distance from Changi International Airport (SIN) to central Singapore is roughly 21 kilometres. It'll take you about 20 minutes to get to the centre driving.

  • Travelling to the centre on public transport will take you around 1 hour.

  • If you're arriving on a late flight from Washington Dulles International Airport to Singapore, few things beat the convenience of staying near the terminal. Grab your suitcases from the carousel and then be showered and snoozing not long after at one of these accommodation options near SIN:

  • Travel at your own speed with a Changi International Airport rental car. Book your wheels from Avis, Sixt or Green Motion and experience more of Singapore and beyond.

  • Lock in the best possible rate by booking your vehicle from Changi International Airport about two weeks before your flight from IAD to Singapore.

Seletar Airport (XSP)

  • Once your flight from Washington Dulles International Airport to Singapore has touched down, you can make your way to the city centre in about 25 minutes by car. Central Singapore is roughly 19 kilometres from Seletar Airport (XSP).

  • If you choose to travel on public transport, the ride to the centre takes 1 hour 25 minutes or so.

  • Following your IAD to Singapore flight, settle in at a hotel near XSP. These are some comfortable options that'll help you get into relaxation mode:

Best time to go to Singapore

  • Travel to Singapore during the high season if you want a busy atmosphere, but remember that hotel prices may be higher. Alternatively, book your flights from Washington Dulles International Airport to Singapore during the off-season when prices are cheaper and it's less crowded.

  • Before booking a Washington Dulles International Airport to Singapore flight ticket, think about the kind of weather forecast you're hoping for. May is the warmest month in Singapore, with temperatures ranging from 25ºC to 31ºC.

  • Search for cheap tickets from IAD to Singapore in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 24ºC and 30ºC on average.

More about Singapore

  • After booking your flight from Washington Dulles International Airport to Singapore, choose a hotel that puts you where you want to be. Make one of these options your base for exploring Singapore:

  • Every great journey has to include a little sightseeing. Gardens by the Bay, Marina Bay Sands and Universal Studios Singapore are essential stops on your Singapore itinerary.

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