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WAS - SIN

S$ 608 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 15-5. 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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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 Flight Deals 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.

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

KAYAK's recommended return flight deals from the most popular airlines that fly from Washington, D.C. to Singapore.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
23:00 - 21:55IAD-SIN
34h 55m1 stop
23:25 - 19:30SIN-IAD
32h 05m1 stop
S$ 1,110Air China
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Tue, 22 Apr - Mon, 28 Apr
22:05 - 09:40IAD-SIN
23h 35m1 stop
21:10 - 16:10SIN-IAD
31h 00m1 stop
S$ 1,181Etihad Airways
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Sun, 20 Apr - Sun, 4 May
22:05 - 13:20IAD-SIN
27h 15m2 stops
02:30 - 15:45SIN-IAD
25h 15m1 stop
S$ 1,188
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Mon, 21 Apr - Mon, 28 Apr
21:40 - 08:45IAD-SIN
23h 05m1 stop
10:15 - 19:45SIN-IAD
45h 30m1 stop
S$ 1,193Turkish Airlines
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Wed, 17 Sep - Tue, 30 Sep
13:30 - 08:30IAD-SIN
31h 00m1 stop
03:45 - 15:45SIN-IAD
24h 00m1 stop
S$ 1,195
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Thu, 8 May - Wed, 14 May
21:40 - 08:45IAD-SIN
23h 05m1 stop
10:15 - 11:45SIN-IAD
37h 30m1 stop
S$ 1,221Turkish Airlines
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Tue, 22 Apr - Thu, 1 May
09:13 - 07:05IAD-SIN
33h 52m2 stops
09:10 - 07:44SIN-IAD
34h 34m2 stops
S$ 1,286Air Canada
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Tue, 16 Sep - Tue, 30 Sep
09:45 - 07:05IAD-SIN
33h 20m2 stops
09:10 - 11:14SIN-IAD
38h 04m2 stops
S$ 1,287Air Canada
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Sun, 11 May - Sun, 18 May
21:00 - 15:45IAD-SIN
30h 45m1 stop
03:10 - 15:40SIN-IAD
24h 30m1 stop
S$ 1,353Qatar Airways
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Thu, 18 Sep - Sun, 28 Sep
21:00 - 09:00IAD-SIN
24h 00m1 stop
10:30 - 15:40SIN-IAD
41h 10m1 stop
S$ 1,357Qatar Airways
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Thu, 17 Apr - Mon, 28 Apr

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’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 November, where tickets cost S$ 1,347 (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$ 2,424 and S$ 2,400 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 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 12 weeks before departure.
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Good to know

Low season

November

High season

September

Cheapest flight

S$ 608
Best time to beat the crowds (22% less expensive on average)
Most popular time to fly and prices are also 21% lower 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$ 454 for a one-way ticket and S$ 829 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.

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

Information on your arrival and departure airports

Singapore (SIN)

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