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 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 R 18,224. 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 September.

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 foundR 7,867
Cheapest month to flySeptember

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 R 16,351. 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 R 16,351.
As of June 2026, there are no flights flying from Washington Dulles to Singapore.
The cheapest month to fly from Washington Dulles to Singapore is usually August.
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 R 16,351.
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, 11 August 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 June, the average temperature is usually around 28°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, Air Canada 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 13 hours ahead of Washington DC.

  • Allow plenty of time to get on your IAD to Singapore flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • You can expect longer lines during popular months such as June. Arriving up to four hours ahead of international flights and two hours for a domestic departure will give you plenty of time for security and boarding.

  • Stopovers are the perfect opportunity to break up your journey and possibly even explore a different city. When searching for plane tickets from IAD to Singapore, uncheck the 'Direct flights only' box to see where you can visit along the way. Consider one of these popular options:

    • Tokyo Haneda International Airport (HND)

    • Beijing Capital International Airport (PEK)

    • Newark Liberty International Airport (EWR)

  • Located around 40 kilometres from central Washington DC, IAD can be reached in about 45 minutes by car, depending on traffic. Travelling on public transport takes roughly 1 hour 10 minutes.

  • Booked an early flight from Washington Dulles International Airport to Singapore? Avoid rushing to the terminal (and get some extra shut-eye) by choosing one of these hotels near IAD:

  • When it comes to the on-time performance of Washington Dulles International Airport, data shows 77% of flights complete their journey on time.

  • You'll find IAD at 1 Saarinen Circle.

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

  • The lowest price we've found for a one-way Washington Dulles International Airport to Singapore flight is R 7,867. The cheapest price for a return flight is R 16,351. Remember fares may change due to demand at the time of booking.

  • Booking early is often the key to securing a cheap flight from IAD to Singapore. Fares tend to rise as seats fill up, so the nearer your departure date, 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 throughout the month. It's a great way to snap up a bargain if your trip dates are flexible.

  • Cut down on the time spent looking for cheap flights from IAD to Singapore by setting up a Price Alert. You'll get an email or push notification on the app when a special offer becomes available.

  • Choose your ideal departure and arrival times, airlines and number of stops with our filters. Then, sort the results for your flight from Washington Dulles International Airport to Singapore by 'Cheapest,' 'Fastest' or 'Best.'

Airports in Singapore

Singapore Changi Airport (SIN)

  • Singapore Changi Airport (SIN) to central Singapore takes around 25 minutes by car. The centre is roughly 19 kilometres away.

  • Travelling to the centre by public transport will take you around 40 minutes.

  • Look into staying at a hotel near SIN if you're coming in on a late flight from Washington Dulles International Airport to Singapore. Choose one of these accommodation options and skip the long transfer:

  • Reserving your ride from Singapore Changi Airport about two weeks before your flight from IAD to Singapore can help you secure the lowest rate.

Seletar Airport (XSP)

  • Central Singapore is roughly 14 kilometres from Seletar Airport (XSP). Step off your flight from Washington Dulles International Airport to Singapore and then be on the lookout for any airport signs that'll help you reach the city centre.

  • There are some comfortable places to rest your head close to XSP. Tuck yourself in and get cosy after your IAD to Singapore flight at one of these perfectly located options:

Best time to go to Singapore

  • December is the quietest month for flights from Washington Dulles International Airport to Singapore, while February is the busiest. Figure out the ideal time to visit Singapore based on whether you like a laid-back vibe or a more bustling atmosphere.

  • Before locking in your Washington Dulles International Airport to Singapore plane ticket, think about what kind of weather works for you. May is the warmest month in Singapore, with temperatures ranging from 25ºC (77ºF) to 31ºC (88ºF).

  • Look for cheap tickets from IAD to Singapore in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 24ºC (75ºF) and 30ºC (86ºF) on average.

More about Singapore

  • Start your Singapore trip right by choosing the ideal place to stay. After booking your flight from Washington Dulles International Airport to Singapore, explore our selection of hotels including:

  • There are so many things to do and see in this city it can be hard to figure out where to begin. Marina Bay Sands Hotel Infinity Pool, Marina Bay Sands and Gardens by the Bay are top sights which should feature on any well-planned Singapore itinerary.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.