WAS - SIN

S$ 538 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 2-9. 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.
1 adult
1 adult, Economy

KAYAK searches 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 Flights from Washington, D.C. to Singapore (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 Singapore 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.
Discover the best prices for you by selecting your travel dates on KAYAK.

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

Wed, 27 Aug - Mon, 8 Sep
Air India Logo
12:50 - 07:15IAD-SIN
30h 25m1 stop
Air India Logo
09:00 - 07:40SIN-IAD
34h 40m1 stop
S$ 1,016Air India
Find Deal
Wed, 27 Aug - Sun, 7 Sep
Air India Logo
12:50 - 21:45IAD-SIN
44h 55m1 stop
Air India Logo
23:00 - 07:40SIN-IAD
44h 40m1 stop
S$ 1,023Air India
Find Deal
Fri, 12 Sep - Sun, 28 Sep
Air India Logo
11:00 - 07:30IAD-SIN
32h 30m1 stop
Air India Logo
23:00 - 07:40SIN-IAD
44h 40m1 stop
S$ 1,077Air India
Find Deal
Mon, 1 Sep - Wed, 10 Sep
Etihad Airways Logo
22:05 - 09:40IAD-SIN
23h 35m1 stop
Etihad Airways Logo
21:10 - 16:10SIN-IAD
31h 00m1 stop
S$ 1,128Etihad Airways
Find Deal
Thu, 11 Sep - Fri, 26 Sep
IndiGo Logo
21:40 - 17:20IAD-SIN
31h 40m2 stops
IndiGo Logo
19:45 - 19:45SIN-IAD
36h 00m2 stops
S$ 1,162IndiGo
Find Deal
Fri, 12 Sep - Fri, 26 Sep
IndiGo Logo
21:40 - 17:45IAD-SIN
32h 05m2 stops
IndiGo Logo
19:45 - 19:45SIN-IAD
36h 00m2 stops
S$ 1,176IndiGo
Find Deal
Wed, 26 Nov - Sat, 6 Dec
Air Canada Logo
17:50 - 07:55IAD-SIN
49h 05m2 stops
Air Canada Logo
10:00 - 21:05SIN-IAD
24h 05m2 stops
S$ 1,194Air Canada
Find Deal
Wed, 27 Aug - Sun, 7 Sep
Korean Air Logo
13:30 - 05:00IAD-SIN
27h 30m1 stop
Korean Air Logo
01:10 - 10:55SIN-IAD
21h 45m1 stop
S$ 1,202Korean Air
Find Deal
Sat, 11 Oct - Sun, 19 Oct
Air Canada Logo
16:35 - 07:05DCA-SIN
50h 30m2 stops
Air Canada Logo
09:10 - 08:59SIN-DCA
35h 49m2 stops
S$ 1,203Air Canada
Find Deal
Wed, 27 Aug - Sun, 7 Sep
Korean Air Logo
07:30 - 05:00IAD-SIN
33h 30m2 stops
Korean Air Logo
07:30 - 10:55SIN-IAD
39h 25m1 stop
S$ 1,210Korean Air
Find Deal
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KAYAK's insights & trends for Washington, D.C. to Singapore flights

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 October, where tickets cost S$ 1,272 (return) on average. On the other hand, the most expensive months are December and July, where the average cost of round-trip tickets is S$ 2,310 and S$ 2,058 respectively.


Good to know

Low seasonJune
High seasonDecember
Cheapest flightS$ 538
Best time to beat the crowds but there is an average 15% increase in price.
Most popular time to fly (46% 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$ 420 for a one-way ticket and S$ 794 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?

    Star Alliance, SkyTeam, and oneworld 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.

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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