Find flights
Deals
When to book
FAQs & Tips

S$ 721 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 14-8. 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.
1 adult

Search 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
Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 27% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Free to useThere are no hidden charges or fees.

Filter your dealsChoose cabin class, free Wi-Fi and more.

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$ 1,018

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 and deals for you by selecting your travel dates.
Choose your dates
18:00 - 06:50IAD-SIN
24h 50m1 stop
09:00 - 15:40SIN-IAD
42h 40m1 stop
S$ 1,018Air China
Find Deal
Tue, 1 Apr - Mon, 12 May
18:00 - 21:55IAD-SIN
39h 55m1 stop
09:00 - 15:40SIN-IAD
42h 40m1 stop
S$ 1,061Air China
Find Deal
Sat, 5 Apr - Fri, 18 Apr
22:25 - 08:45IAD-SIN
22h 20m1 stop
23:10 - 10:45SIN-IAD
23h 35m1 stop
S$ 1,110Turkish Airlines
Find Deal
Wed, 26 Mar - Thu, 10 Apr
21:40 - 17:55IAD-SIN
32h 15m1 stop
23:10 - 19:45SIN-IAD
32h 35m1 stop
S$ 1,185Turkish Airlines
Find Deal
Mon, 5 May - Tue, 20 May
22:05 - 09:40IAD-SIN
23h 35m1 stop
21:10 - 16:10SIN-IAD
31h 00m1 stop
S$ 1,213Etihad Airways
Find Deal
Mon, 5 May - Mon, 19 May
22:05 - 09:40IAD-SIN
23h 35m1 stop
21:10 - 16:10SIN-IAD
31h 00m1 stop
S$ 1,235Etihad Airways
Find Deal
Mon, 5 May - Sun, 18 May
22:05 - 11:30IAD-SIN
25h 25m2 stops
21:10 - 16:10SIN-IAD
31h 00m1 stop
S$ 1,250
Find Deal
Tue, 29 Apr - Tue, 13 May
21:00 - 15:45IAD-SIN
30h 45m1 stop
03:10 - 15:40SIN-IAD
24h 30m1 stop
S$ 1,346Qatar Airways
Find Deal
Tue, 1 Apr - Sun, 11 May
21:00 - 09:00IAD-SIN
24h 00m1 stop
03:10 - 15:40SIN-IAD
24h 30m1 stop
S$ 1,354Qatar Airways
Find Deal
Mon, 28 Apr - Mon, 5 May
12:30 - 17:20IAD-SIN
40h 50m2 stops
03:45 - 15:45SIN-IAD
24h 00m1 stop
S$ 1,367
Find Deal
Wed, 11 Jun - Wed, 2 Jul

Good to know

Low season

August

High season

December

Cheapest flight

S$ 721
Best time to beat the crowds (4% less expensive on average)
Most popular time to fly (32% more expensive on average)
Flight from Reagan Washington National 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

Top tips for finding cheap flights to Southeast Asia

  • Book at least 1 week before departure in order to get a below-average price.
  • High season is considered to be January, November and December. The cheapest month to fly from Washington, D.C. is September.

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.
First Class flights from Washington, D.C. to Southeast Asia
Business Class flights from Washington, D.C. to Southeast Asiafrom S$ 1,329
Prem Econ Class flights from Washington, D.C. to Southeast Asia
Economy class flights from Washington, D.C. to Southeast Asiafrom S$ 41

Not what you’re looking for? Find thousands of other hotels, flights, car hires and package deals with KAYAK.