Cheap Flights from Singapore Changi to Washington D.C.

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Find the cheapest month or even day of the year to fly to Washington D.C.

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Flight deals from Singapore Changi to Washington D.C.

Looking for a cheap last-minute deal or the best return flight from Singapore Changi to Washington D.C.? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Singapore Changi to Washington D.C.

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

Singapore to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 1,920
Cheapest month to flyMay

Finding cheap flights from Singapore Changi to Washington D.C.: Frequently asked questions

There are 5 airports in Washington D.C.: Washington Ronald Reagan, Camp Springs Andrews AFB, Washington Dulles, Baltimore Washington International, and Manassas.
The best price we found for a return flight from Singapore Changi to Washington D.C. is ر.ق.‏ 2,659. 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 Singapore Changi to Washington D.C.. But we found flights with one or more stops from ر.ق.‏ 2,659.
As of February 2026, there are no flights flying from Singapore Changi to Washington D.C..
The cheapest month to fly from Singapore Changi to Washington D.C. is usually March.
If you're flying from Singapore Changi Airport, the cheapest airport near Washington D.C. is Washington Dulles – which is 36.5 km away from the centre of Washington D.C.. We've found flights into this airport from ر.ق.‏ 2,659.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Singapore Changi Airport to Washington D.C. on Wednesday, 25 March 2026.
No airlines currently offer direct flights between Singapore Changi Airport and Washington D.C.. 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 Washington D.C. 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 Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
In February, the average temperature is usually around 1°C. July is typically the warmest month in Washington D.C., when it usually averages around 31°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -4°C. The rainiest month is September.
Currently, Air China offers the cheapest flight tickets to Washington D.C..

Travelling from Changi International Airport (SIN) to Washington DC: what you need to know

  • Washington DC is 12 hours behind Singapore, where Changi International Airport is located. Washington DC observes the UTC-4 timezone.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This leaves you with plenty of time to catch your SIN to Washington DC flight.

  • Heading away during a peak period like public or school holidays? Expect longer lines at security and check-in. To play it safe, arrive up to four hours before international flights and two hours ahead of domestic departures.

  • We make it simple to book flight tickets from SIN to Washington DC with a stopover. To see all the options, deselect 'Direct flights only.' Then, select a flight that has a stop long enough to tour your chosen city. Major stopovers include:

    • Los Angeles International Airport (LAX)

    • Haneda Airport (HND)

    • John F. Kennedy International Airport (JFK)

  • Located around 18 kilometres from central Singapore, SIN can be reached in about 20 minutes by car. The journey on public transport takes roughly 1 hour.

  • Want a leisurely start to your journey? Stay near SIN. Whether you're catching an early flight from Changi International Airport to Washington DC or want to avoid feeling rushed, these hotels put convenience first:

  • 68.95% of flights that take off from Changi International Airport make it to their destination on time.

How to find the cheapest flights from Changi International Airport (SIN) to Washington DC

  • The best price we've found for a one-way Changi International Airport to Washington DC flight is ر.ق.‏ 1,920. The cheapest price for a return flight is ر.ق.‏ 2,659. Bear in mind fares may change due to demand at the time of booking.

  • Don't leave everything to the last minute. You're more likely to find cheap flights from SIN to Washington DC if you book in advance. Airlines often offer some amazing early bird discounts.

  • If you're willing to be flexible with your travel dates, take advantage of the 'Whole month' search tool. It'll show you the cheapest price across every month when looking for a Changi International Airport to Washington DC ticket.

  • Save time searching for cheap flights from SIN to Washington DC by setting up a Price Alert. You'll get an email or push notification on the app when a new discounted fare appears.

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

Airports in Washington DC

Ronald Reagan National Airport (DCA)

  • The distance from Ronald Reagan National Airport (DCA) to central Washington DC is roughly 8 kilometres. It'll take you around 15 minutes to get to the centre driving.

  • When travelling on public transport, expect a journey time of around 45 minutes.

  • The last thing you need is a long journey to your hotel if you're arriving on a late flight from Changi International Airport to Washington DC. Reserve one of these accommodation options near DCA instead:

  • Pick up a Ronald Reagan National Airport rental car and discover Washington DC and beyond with your own set of wheels. Thrifty, Sixt and Dollar are leading providers to choose from here.

  • Lock in the lowest price by reserving your ride from Ronald Reagan National Airport about four weeks ahead of your flight from SIN to Washington DC.

  • DCA is located at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • Washington Dulles International Airport (IAD) is about 56 kilometres from the centre of Washington DC. Once you've disembarked your flight from Changi International Airport to Washington DC, it'll take you around 50 minutes to get to the heart of the city in a ride-share or cab.

  • If you're travelling on public transport, it'll take around 1 hour 10 minutes.

  • Hang the 'Do not disturb' sign on your door and unwind at a hotel close to IAD. Here are a few options where you can check in after your SIN to Washington DC flight:

  • The fastest way to reach your destination is with a Washington Dulles International Airport rental car. Pick up a set of wheels from Dollar, Thrifty or Sixt and set off in the blink of an eye.

  • Call dibs on the best options. Reserving your ride from IAD one week ahead of time often means more savings and a bigger choice of vehicles.

  • The address for Washington Dulles International Airport is 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Step off your flight from Changi International Airport to Washington DC and go straight to your hotel or jump right into sightseeing. The centre of Washington DC is around 48 kilometres from Baltimore/Wash International Thurgood Marshall Airport (BWI) and usually takes 50 minutes to reach by car.

  • The journey will take you roughly 1 hour 30 minutes by public transport.

  • Enjoy a restful, unhurried start to your break by checking in to a hotel near BWI after your SIN to Washington DC flight. Recharge after a day of travel or just take a moment to get your footing in a new city at:

  • Be in control of the next chapter of your journey by picking up a Baltimore/Wash International Thurgood Marshall Airport rental car. Dollar, Thrifty and Budget are dependable companies for booking.

  • If you're looking for a specific model or make, lock in your ride from BWI around two weeks before your flight from Changi International Airport to Washington DC. This improves your chances of getting the car you prefer, along with a better deal.

Best time to go to Washington DC

  • Travel to Washington DC in high season if you like a bustling atmosphere, but remember that hotel prices may be higher. Alternatively, book your flights from Changi International Airport to Washington DC in the off-season when prices are cheaper and it's less crowded.

  • Before booking a Changi International Airport to Washington DC flight ticket, think about what kind of weather works for you. July is the warmest month in Washington DC, with temperatures ranging from 19ºC to 33ºC.

  • January sees average temperatures of between -6ºC and 10ºC. Look for a cheap ticket from SIN to Washington DC around that time if you want to travel in cooler conditions.

More about Washington DC

Explore more of United States

  • You've visited Washington DC, now it's time to discover other corners of United States. Travel about 322 kilometres north-east to New York to check off its top sights. From Statue of Liberty to Central Park and Empire State Building, there's plenty to keep you busy.

  • Around 193 kilometres north-east of Washington DC, Philadelphia is another essential stop in United States. Experience major highlights starting with Liberty Bell, Independence Hall and Philadelphia Museum of Art.

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