WAS - SIN

S$ 575 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 6-12. 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, 0 bags

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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Flight Deals

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

Thu, 12 Feb - Sun, 22 Feb
Multiple Airlines Logo
18:55 - 17:45BWI-SIN
33h 50m1 stop
Multiple Airlines Logo
23:20 - 19:19SIN-BWI
32h 59m2 stops
S$ 1,444Multiple Airlines
Find Deal
Sun, 12 Apr - Tue, 5 May
Air Canada Logo
09:55 - 00:45IAD-SIN
26h 50m2 stops
Air Canada Logo
09:10 - 11:16SIN-IAD
38h 06m2 stops
S$ 1,454Air Canada
Find Deal
Tue, 11 Nov - Tue, 18 Nov
United Airlines Logo
17:59 - 08:00DCA-SIN
25h 01m1 stop
United Airlines Logo
10:10 - 21:43SIN-DCA
24h 33m1 stop
S$ 1,460United Airlines
Find Deal
Tue, 11 Nov - Tue, 18 Nov
United Airlines Logo
17:59 - 08:00DCA-SIN
25h 01m1 stop
United Airlines Logo
10:10 - 21:43SIN-DCA
24h 33m1 stop
S$ 1,461United Airlines
Find Deal
Wed, 12 Nov - Wed, 19 Nov
Cathay Pacific Logo
18:38 - 11:55DCA-SIN
28h 17m2 stops
Cathay Pacific Logo
07:40 - 18:44SIN-DCA
24h 04m2 stops
S$ 1,465Cathay Pacific
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Fri, 6 Mar - Thu, 19 Mar
Cathay Pacific Logo
09:39 - 16:50DCA-SIN
42h 11m2 stops
Cathay Pacific Logo
07:40 - 18:57SIN-DCA
23h 17m2 stops
S$ 1,473Cathay Pacific
Find Deal
Thu, 5 Feb - Sat, 14 Feb
Qatar Airways Logo
20:05 - 12:55IAD-SIN
27h 50m2 stops
Qatar Airways Logo
03:15 - 15:55SIN-IAD
25h 40m1 stop
S$ 1,474Qatar Airways
Find Deal
Thu, 5 Feb - Mon, 9 Feb
Qatar Airways Logo
20:05 - 08:45IAD-SIN
23h 40m1 stop
Qatar Airways Logo
03:15 - 15:55SIN-IAD
25h 40m1 stop
S$ 1,477Qatar Airways
Find Deal
Wed, 18 Feb - Tue, 24 Feb
Singapore Airlines Logo
18:55 - 17:45BWI-SIN
33h 50m1 stop
Singapore Airlines Logo
20:45 - 16:53SIN-BWI
33h 08m1 stop
S$ 1,477Singapore Airlines
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Sun, 22 Mar - Wed, 8 Apr
Singapore Airlines Logo
18:00 - 07:55BWI-SIN
25h 55m1 stop
Singapore Airlines Logo
20:45 - 16:47SIN-BWI
32h 02m1 stop
S$ 1,482Singapore Airlines
Find Deal

Everything you should know

When to travel
August
Cheapest • 39% price drop
December
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest return fare
S$ 1,444
Typical prices: S$ 1,838-S$ 2,056
Multiple Airlines
Thu 12-2Sun 22-2
BWI - SIN • 1 stop
Cheapest one-way flight
S$ 575
Multiple Airlines
Sat 6-12
DCA - SIN • 3 stops
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Singapore!
Booking Insights

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.

How much is a return flight from Washington, D.C. to Singapore?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from Washington, D.C. to Singapore departing in February.

What’s the cheapest day of the week to fly from Washington, D.C. to Singapore?

The average price of all round-trip flights from Washington, D.C. to Singapore clicked on KAYAK for each day over the last 12 months.

When flying from Washington, D.C. to Singapore, you should consider leaving on a Tuesday and avoid Fridays if you are looking for the best rates. For your return to Washington, D.C., you’ll find the best rates on Fridays and the most expensive ones on Tuesdays.

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 August, where tickets cost S$ 951 (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$ 2,478 and S$ 1,821 respectively.

How far in advance should I book a flight from Washington, D.C. to Singapore?

To calculate weekly average prices, KAYAK takes all prices for each week before departure 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 average of all the values for each week.

To get a below average price on the flight from Washington, D.C. to Singapore, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.

Good to know

Low seasonSeptember
Cheapest flightS$ 575
Best time to beat the crowds (2% less expensive on average)
Most popular time to fly (58% more expensive on average)
Flight from Reagan Washington National 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$ 575 for a one-way ticket and S$ 1,444 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 is the only airline alliance operating flights between Washington, D.C. and Singapore.

  • 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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