S$ 533 Find Cheap Flights from Washington, D.C. to Southeast Asia

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 Southeast Asia departing on 20-8. 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 Southeast Asia

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Southeast Asia, 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 Southeast Asia, as well as popular online travel agencies
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Best Southeast Asia Flight Deals from Washington, D.C.

Cheapest return prices found by our users on KAYAK in the last 72 hours

Singapore
Singapore1 stopS$ 1,001

Cheap Flight Deals from Washington, D.C. to Southeast Asia (WAS-zzYJX)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Washington, D.C. to Southeast Asia 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 Southeast Asia

Recommended return flight deals departing in the coming months from the most popular airlines that fly from Washington, D.C. to Southeast Asia.
Discover the best prices for you by selecting your travel dates on KAYAK.
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Air India Logo
11:00 - 07:30IAD-SIN
32h 30m1 stop
Air India Logo
09:00 - 07:40SIN-IAD
34h 40m1 stop
S$ 1,001Air India
Find Deal
Sun, 21 Sep - Fri, 26 Sep
Etihad Airways Logo
22:05 - 09:40IAD-SIN
23h 35m1 stop
Etihad Airways Logo
21:10 - 16:10SIN-IAD
31h 00m1 stop
S$ 1,143Etihad Airways
Find Deal
Wed, 7 May - Sat, 24 May
Turkish Airlines Logo
13:30 - 08:45IAD-SIN
31h 15m1 stop
Turkish Airlines Logo
10:15 - 11:45SIN-IAD
37h 30m1 stop
S$ 1,198Turkish Airlines
Find Deal
Wed, 30 Apr - Fri, 9 May
Turkish Airlines Logo
21:40 - 17:55IAD-SIN
32h 15m1 stop
Turkish Airlines Logo
10:15 - 11:45SIN-IAD
37h 30m1 stop
S$ 1,221Turkish Airlines
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Sun, 4 May - Fri, 9 May
 Logo
22:05 - 16:10IAD-SIN
30h 05m2 stops
 Logo
21:10 - 16:10SIN-IAD
31h 00m1 stop
S$ 1,232
Find Deal
Thu, 9 Oct - Sun, 19 Oct
 Logo
22:05 - 09:40IAD-SIN
23h 35m1 stop
 Logo
03:45 - 15:45SIN-IAD
24h 00m1 stop
S$ 1,256
Find Deal
Thu, 8 May - Wed, 14 May
Air Canada Logo
09:40 - 07:05DCA-SIN
57h 25m2 stops
Air Canada Logo
08:10 - 10:20SIN-DCA
38h 10m2 stops
S$ 1,270Air Canada
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Mon, 1 Sep - Wed, 10 Sep
Air Canada Logo
09:40 - 07:05DCA-SIN
33h 25m2 stops
Air Canada Logo
06:15 - 21:51SIN-DCA
27h 36m2 stops
S$ 1,278Air Canada
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Thu, 18 Sep - Mon, 29 Sep
Cathay Pacific Logo
11:54 - 05:30DCA-SIN
29h 36m2 stops
Cathay Pacific Logo
01:50 - 22:15SIN-DCA
32h 25m2 stops
S$ 1,380Cathay Pacific
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Mon, 28 Apr - Sun, 11 May
Cathay Pacific Logo
06:45 - 05:30DCA-SIN
34h 45m2 stops
Cathay Pacific Logo
20:05 - 00:46SIN-DCA
40h 41m2 stops
S$ 1,420Cathay Pacific
Find Deal
Mon, 28 Apr - Mon, 12 May

KAYAK's insights & trends for Washington, D.C. to Southeast Asia flights

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

What is the cheapest time of day to fly to Southeast Asia?

The average price for all round-trip flights from Washington, D.C. to Southeast Asia depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.
The cheapest time of day to fly to Southeast Asia is generally at night, when retur flights cost S$ 1,157 on average. The most expensive time of day to fly to Southeast Asia is generally in the morning, which is peak travel time and where the average cost of a ticket is S$ 1,564.

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

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 Southeast Asia, 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 Southeast Asia is November, when tickets cost S$ 1,320 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of return tickets is S$ 2,375 and S$ 2,337 respectively.

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

The average price of all round-trip flights from Washington, D.C. to Southeast Asia clicked on KAYAK for each day over the last 12 months.
Your flight ticket price will generally be cheaper if you fly to Southeast Asia on a Tuesday and more expensive on a Friday. On your return trip to Washington, D.C., you should consider flying back on a Friday, and avoid Tuesdays for better deals.

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

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 Southeast Asia, 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 Southeast Asia, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.

Good to know

Low season

August

High season

December

Cheapest flight

S$ 533
Best time to beat the crowds (3% less expensive on average)
Most popular time to fly (33% more expensive on average)
Flight from Washington Dulles Airport to Singapore

FAQs - booking Southeast Asia flights

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

    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 Southeast Asia.

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

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

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

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

    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 from Washington, D.C. to Southeast Asia 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 to Southeast Asia

Cabin class types available on flights to Washington, D.C.

Cabin classes available on flights to Washington, D.C.. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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