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Flights from Washington to Singapore

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Discover the cheapest flights from Washington to Singapore
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The prices shown on this page were available within the last 20 days for the specified periods and should not be considered the final price offered. Please note that availability and prices are subject to change.

Cheapest time to fly from Washington to Singapore

If you’re planning to fly this route soon, keep in mind that the lowest fares are usually available at the end of November. Take advantage of this period to save on your flight tickets and make the most of your trip. Please note that prices may change after your search.
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week: 23 Nov - 29 Nov
£2,666
£1,783
£468
£970
£632
£1,951
£745
£2,349
£1,423
£472
NovemberDecemberJanuaryFebruary
Distance: 9,655 mi
Washington airports
Washington Dulles International Airport (IAD)How far from city centre: 23 mi
Singapore airports
Singapore Changi Airport (SIN)How far from city centre: 12 mi

Book your Washington to Singapore flight

Search direct and connecting flights from Washington to Singapore (Singapore) with Opodo. When your results appear, sort them by timing or fare and book whichever option fits your plans best.

The cheapest fare booked on this route in recent days was £1647, although the price you're shown will vary with your travel dates and departure times.

Flying non-stop from Washington to Singapore takes roughly 20 h and 20 m, whereas journeys with a layover will take longer.

Airports and airlines on the Washington–Singapore route

Plan your trip with confidence by checking the relevant airports and comparing the airlines that fly this route.

  • Departure airport: Washington Dulles International Airport (IAD)
  • Arrival airport: Singapore Changi Airport (SIN)

The weather in Singapore

The best time to go may come down to the kind of weather you most enjoy. In Singapore, temperatures average around 32ºC in the warmest months and roughly 24ºC in the coldest. Bear this in mind when deciding what to pack and planning time outdoors.

  • Highs: up to 32ºC
  • Lows: down to 24ºC
  • Hottest month: April
  • Coldest month: January
  • Driest month: February
  • Wettest month: December

Tips for cheaper flights from Washington to Singapore

A few ways to bring down the cost of your flight from Washington to Singapore:

  • Flexible dates: check fares across two or three departure days. Going a day earlier or later can make a real difference to what you pay.
  • Baggage allowance: see what's included in each fare before booking, so you're not stung by unexpected charges at the airport.
  • Airports on your route: double-check which airports you'll fly from and into, particularly if the city has more than one. It makes it easier to plan transfers and work out the full cost of getting around.

After a bigger saving? Book a Flight + Hotel package to combine the two in a single booking and unlock exclusive discounts on your stay in Singapore. Adding car hire to the same booking can save you money too.

Frequently asked questions about flights from Washington to Singapore

On average, how much is the price of a flight from Washington to Singapore?
When you fly from Washington to Singapore the average price is £1927. However, this price depends on many other factors such as seasonality or how far in advance the route has been booked.
How can I find cheap flights from Washington to Singapore at Opodo?
The cheapest price for a flight from Washington to Singapore is 1647 £. At Opodo we use different machine learned based methodologies to find our costumers the best option available, considering airline combinations, stopovers and direct flights as well as different criteria for inbound and outbound journeys.
When is the best time to book a flight from Washington to Singapore?
The most popular months to book a flight from Washington to Singapore are October, September and June, based on the searches of our customers.
When is the best time to travel from Washington to Singapore?
The best time of the year to go to Singapore when flying from Washington depends on several preference factors like climate, seasonality and, of course, price. When it comes to popularity, December is the top 1º month to fly to Singapore from Washington in terms of searches from our customer, followed by March and September. If you prefer to avoid high peaks of turism, however, and escape a crowded period, May, February and April are the months with less volume of searchs for the route Washington - Singapore.
How long does the flight take to go from Washington to Singapore?
The total flight time between Washington and Singapore is of around 30 h and 15 m on average, considering an average distance of 9,655.46 mi, for both direct and indirect flights for the route (which may have 1 or more stops in other cities in between).
Which airports have flights between Washington and Singapore?
The main airport route flying between Washington and Singapore is: Washington Dulles International Airport (IAD) to Singapore Changi Airport(SIN). This route is covered by the following airline(s):

Plan your trip

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