WAS - SIN

S$ 603 Find Cheap Flights from Washington, D.C. to Singapore

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington, D.C. to Singapore departing on 23-2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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Search hundreds of travel sites at once for deals on flights to Singapore

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Singapore, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Singapore, as well as popular online travel agencies
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Cheap Flight Deals from Washington, D.C. to Changi (WAS-SIN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Washington, D.C. to Changi that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent return flight deals from Washington, D.C. to Singapore

Recommended return deals departing in the coming months from the most popular airlines that fly from Washington, D.C. to Singapore.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
11:00 - 07:00IAD-SIN
32h 00m1 stop
23:00 - 07:50SIN-IAD
44h 50m1 stop
S$ 1,130Air India
Find Deal
Sat, 15 Mar - Sun, 23 Mar
11:00 - 21:45IAD-SIN
22h 45m1 stop
08:20 - 07:15SIN-IAD
34h 55m1 stop
S$ 1,131Air India
Find Deal
Sun, 23 Mar - Thu, 3 Apr
14:00 - 08:45IAD-SIN
29h 45m1 stop
05:05 - 20:30SIN-IAD
27h 25m1 stop
S$ 1,142Turkish Airlines
Find Deal
Tue, 11 Feb - Tue, 11 Mar
13:30 - 08:45IAD-SIN
30h 15m1 stop
05:05 - 19:30SIN-IAD
27h 25m1 stop
S$ 1,161Turkish Airlines
Find Deal
Sun, 16 Feb - Tue, 25 Feb
22:00 - 09:45IAD-SIN
23h 45m1 stop
20:55 - 16:35SIN-IAD
31h 40m1 stop
S$ 1,206Etihad Airways
Find Deal
Sun, 4 May - Sun, 18 May
21:30 - 09:35IAD-SIN
23h 05m1 stop
19:25 - 17:25SIN-IAD
34h 00m1 stop
S$ 1,224Etihad Airways
Find Deal
Wed, 12 Feb - Wed, 12 Mar
18:10 - 15:30IAD-SIN
32h 20m1 stop
17:00 - 14:45SIN-IAD
34h 45m1 stop
S$ 1,251SAUDIA
Find Deal
Thu, 13 Feb - Mon, 3 Mar
18:10 - 15:30IAD-SIN
32h 20m1 stop
17:00 - 15:45SIN-IAD
34h 45m1 stop
S$ 1,290SAUDIA
Find Deal
Thu, 13 Feb - Wed, 12 Mar
21:30 - 06:15IAD-SIN
43h 45m2 stops
17:00 - 14:45SIN-IAD
34h 45m1 stop
S$ 1,304
Find Deal
Mon, 17 Feb - Mon, 24 Feb
10:48 - 08:45BWI-SIN
32h 57m3 stops
05:05 - 23:58SIN-BWI
30h 53m2 stops
S$ 1,337
Find Deal
Tue, 4 Mar - Tue, 11 Mar

Flights from Washington, D.C. to Singapore - Travel Insights & Trends

Get data-powered insights and trends into flights from Washington, D.C. to Singapore to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Washington, D.C. to Singapore?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Washington, D.C. to Singapore, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Washington, D.C. to Singapore is November, where tickets cost S$ 1,369 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is S$ 2,499 and S$ 2,343 respectively.

Good to know

Low season

November

High season

July

Cheapest flight

S$ 603
Best time to beat the crowds (22% less expensive on average)
Most popular time to fly (24% more expensive on average)
Flight from Washington Dulles Airport to Singapore

When to book flights from Washington, D.C. to Singapore

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Singapore based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Washington, D.C. to Singapore

  • What is the cheapest flight from Washington, D.C. to Singapore?

    In the last 3 days, the lowest price for a flight from Washington, D.C. to Singapore was S$ 443 for a one-way ticket and S$ 830 for a return.

  • Which airports will I be using when flying from Washington, D.C. to Singapore?

    Washington, D.C. is served by 2 major airports and there is only 1 main airport in Singapore. You will leave Washington, D.C. from one of these airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. You will be arriving at Singapore Changi.

  • Which aircraft models fly most regularly from Washington, D.C. to Singapore?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Washington, D.C. to Singapore?

    oneworld, Star Alliance, and SkyTeam are the airline alliances operating flights between Washington, D.C. and Singapore, with Star Alliance being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Washington, D.C. to Singapore?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Singapore.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Singapore?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Singapore from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington, D.C. to Singapore?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Singapore with an airline and back to Washington, D.C. with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Singapore?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Singapore from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Everything you need to know for your flight from Washington, D.C. to Singapore

Information on your arrival and departure airports

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