Cheap Flights from Singapore Changi to Washington D.C.

Compare Singapore Changi to Washington D.C. flight deals

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

Book the best Washington D.C. fare with no extra fees

Flight deals from Singapore Changi to Washington D.C.

Looking for a cheap last-minute deal or the best return flight from Singapore Changi Airport to Washington D.C.? If you want to travel next month, return fares start from ج.م.‏ 64,487. 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 October.

Singapore to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 28,984
Cheapest month to flyOctober

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 ج.م.‏ 45,719. 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 ج.م.‏ 45,719.
As of June 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 October.
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 ج.م.‏ 45,719.
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 Friday, 2 October 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 June, the average temperature is usually around 22°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

  • The timezone in Washington DC is UTC-4. The city is 12 hours behind Singapore, where Changi International Airport is located.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. That way, you can comfortably catch your SIN to Washington DC flight.

  • Travelling during a peak month like August? Major public holidays and other popular seasons can mean longer lines and delays at security. Play it safe and get there up to four hours ahead of an international flight and two hours before domestic departures.

  • We make it easy to book plane tickets from SIN to Washington DC with a stopover. To see all the options, uncheck 'Direct flights only.' Then, choose a flight offering a stop long enough to see the sights of the city of your choice. Some popular stopovers include:

    • Los Angeles International Airport (LAX)

    • Haneda Airport (HND)

    • John F. Kennedy International Airport (JFK)

  • SIN is around 18 kilometres from central Singapore. If you're ride-sharing, driving or catching a cab from the centre, it'll take 20 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the journey time to be around 1 hour.

  • Booked an early flight from Changi International Airport to Washington DC? Avoid rushing to the airport (and sneak in some extra snooze time) by choosing one of these hotels close to SIN:

  • When it comes to Changi International Airport's on-time performance, data shows 68.95% of flights complete their journey 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 ج.م.‏ 28,984. The cheapest price for a return flight is ج.م.‏ 45,719. 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)

  • Ronald Reagan National Airport (DCA) to central Washington DC takes around 15 minutes to reach by car. The centre is roughly 8 kilometres away.

  • If you're taking public transport, expect a journey time of around 45 minutes.

  • If you're coming in on a late flight from Changi International Airport to Washington DC, few things beat the convenience of staying close to the terminal. Grab your luggage from the carousel and then be showered and relaxing soon after at one of these hotels near DCA:

  • Travel at your own speed with a Ronald Reagan National Airport rental car. Pick up your wheels from Thrifty, Sixt or Dollar and chase adventure across Washington DC and beyond.

  • Booking your ride from Ronald Reagan National Airport about four weeks ahead of your flight from SIN to Washington DC can help you secure the lowest rate.

  • You'll find DCA at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • Washington Dulles International Airport (IAD) is about 56 kilometres from the centre of Washington DC. Following 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.

  • You can expect the trip to take about 1 hour 10 minutes on public transport.

  • You'll find some comfortable places to call home for the night near IAD. Tuck yourself in and get cosy after your SIN to Washington DC flight at one of these well-located options:

  • The quickest way to reach your destination is with a Washington Dulles International Airport rental car. Collect your wheels from Dollar, Thrifty or Sixt and be on your way in a flash.

  • Don't pay more than you need to. Booking your ride one week before your arrival at IAD will save you money.

  • You'll find Washington Dulles International Airport at 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Set your sights on the city centre after your flight from Changi International Airport to Washington DC has landed. Central Washington DC is around 48 kilometres from Baltimore/Wash International Thurgood Marshall Airport (BWI) and takes roughly 50 minutes to reach by car.

  • The journey takes around 1 hour 30 minutes when travelling on public transport.

  • If you don't want to make the trip to the centre, choose a hotel near BWI. Settle in at one of these options after your SIN to Washington DC flight:

  • Whether you're after an economy for solo travel or a full-size SUV to fit a group of friends, you'll find the right Baltimore/Wash International Thurgood Marshall Airport rental car for you. Explore the types of wheels available here from suppliers such as Dollar, Thrifty and Budget.

  • If you're searching for a specific type of vehicle, lock in your ride from BWI about two weeks ahead of your flight from Changi International Airport to Washington DC. This improves your chances of getting the car you want, as well as a better price.

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 plane 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.