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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

S$ 634 CHEAP FLIGHTS from Washington, D.C. to Southeast Asia

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In the last 7 days, travellers have searched 41,299,237 times on KAYAK, and here's why:

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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

One-wayReturn

Singapore1 stopS$ 1,094

Low season	August
High season	December
Cheapest flight	S$ 634

Best time to beat the crowds (5% less expensive on average)

Most popular time to fly (33% more expensive on average)

Flight from Reagan Washington National Airport to Singapore

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

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.

Book cheap flights from Washington, D.C. to Southeast Asia

Recent return flight deals

These are the cheapest return flights from Washington, D.C. to Southeast Asia found on KAYAK in the last 72 hours.

2-2Sun

1 stopTurkish Airlines

39h 05mIAD-SIN

17-2Mon

1 stopTurkish Airlines

33h 05mSIN-IAD

S$ 1,094

16-3Sun

1 stopAir India

32h 00mIAD-SIN

29-3Sat

1 stopAir India

34h 55mSIN-IAD

S$ 1,118

7-3Fri

1 stopEtihad Airways

23h 05mIAD-SIN

15-3Sat

1 stopEtihad Airways

34h 00mSIN-IAD

S$ 1,315

8-3Sat

1 stopEtihad Airways

23h 05mIAD-SIN

15-3Sat

1 stopEtihad Airways

34h 00mSIN-IAD

S$ 1,318

11-2Tue

1 stopKorean Air

23h 20mIAD-SIN

18-2Tue

1 stopKorean Air

21h 20mSIN-IAD

S$ 1,327

28-1Tue

1 stopQatar Airways

23h 40mIAD-SIN

24-2Mon

1 stopQatar Airways

25h 40mSIN-IAD

S$ 1,342

3-3Mon

1 stopQatar Airways

29h 50mIAD-SIN

11-3Tue

1 stopQatar Airways

25h 40mSIN-IAD

S$ 1,345

3-2Mon

1 stopKorean Air

23h 20mIAD-SIN

23-2Sun

1 stopKorean Air

21h 20mSIN-IAD

S$ 1,354

5-2Wed

2 stopsDelta

27h 36mDCA-SIN

12-2Wed

2 stopsDelta

24h 19mSIN-DCA

S$ 1,372

4-2Tue

2 stopsDelta

34h 00mIAD-SIN

11-2Tue

2 stopsDelta

26h 22mSIN-IAD

S$ 1,372

Recent one-way flight deals

Only flying one-way? Below are some of the best one-way flight deals from Washington, D.C. to Southeast Asia found on KAYAK in the last 72 hours.

2-2Sun

2 stops

47h 05mDCA-SIN

S$ 634

19-1Sun

2 stops

36h 05mDCA-SIN

S$ 643

28-3Fri

1 stopAir India

32h 00mIAD-SIN

S$ 659

26-2Wed

1 stopTurkish Airlines

22h 20mIAD-SIN

S$ 695

13-2Thu

1 stopTurkish Airlines

29h 45mIAD-SIN

S$ 735

26-2Wed

2 stopsIndiGo

30h 55mIAD-SIN

S$ 754

19-1Sun

2 stopsIndiGo

30h 55mIAD-SIN

S$ 762

21-3Fri

1 stopAir India

32h 00mIAD-SIN

S$ 796

17-3Mon

2 stopsDelta

33h 01mDCA-SIN

S$ 800

16-3Sun

2 stopsDelta

39h 55mDCA-SIN

S$ 817

Last minute flights from Washington, D.C. to Southeast Asia

Last minute flight, train and bus deals

These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Washington, D.C. to Southeast Asia that are departing in the next 10 days.

6-1Mon

multi-stop

34h 35mIAD-SIN

20-1Mon

multi-stop

34h 00mSIN-IAD

S$ 1,880

6-1Mon

multi-stop

30h 56mDCA-SIN

20-1Mon

multi-stop

37h 17mSIN-DCA

S$ 2,064

5-1Sun

multi-stop

42h 55mIAD-SIN

20-1Mon

multi-stop

52h 55mSIN-IAD

S$ 2,077

6-1Mon

multi-stopUnited Airlines

24h 44mIAD-SIN

8-1Wed

multi-stopUnited Airlines

29h 46mSIN-IAD

S$ 2,105

6-1Mon

multi-stopUnited Airlines

24h 44mIAD-SIN

8-1Wed

multi-stopUnited Airlines

35h 35mSIN-IAD

S$ 2,111

6-1Mon

multi-stopKorean Air

43h 35mIAD-SIN

19-1Sun

multi-stopKorean Air

21h 20mSIN-IAD

S$ 2,178

6-1Mon

multi-stopAlaska Airlines

29h 50mIAD-SIN

20-1Mon

multi-stopAlaska Airlines

32h 30mSIN-IAD

S$ 2,299

3-1Fri

multi-stopCathay Pacific

34h 41mDCA-SIN

9-1Thu

multi-stopCathay Pacific

28h 02mSIN-DCA

S$ 2,372

6-1Mon

multi-stopCathay Pacific

41h 36mDCA-SIN

20-1Mon

multi-stopCathay Pacific

39h 22mSIN-DCA

S$ 2,579

6-1Mon

multi-stopKorean Air

46h 45mBWI-SIN

20-1Mon

multi-stopKorean Air

47h 42mSIN-BWI

S$ 2,998

Everything you need to know for your flight to Southeast Asia

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

First Class flights from Washington, D.C. to Southeast Asia

Business Class flights from Washington, D.C. to Southeast Asiafrom S$ 1,318

Prem Econ Class flights from Washington, D.C. to Southeast Asiafrom S$ 3,143

Economy class flights from Washington, D.C. to Southeast Asiafrom S$ 42

Flights to other popular destinations

Flights from domestic origins to Washington, D.C.

Flights from Baltimore to Southeast Asiafrom S$ 1,626

Flights from Washington, D.C. Dulles Intl Airport to Southeast Asiafrom S$ 1,077

Flights from Washington, D.C. Reagan-National Airport to Southeast Asiafrom S$ 1,372

S$ 634 Find Cheap Flights from Washington, D.C. to Southeast Asia

Search hundreds of travel sites at once for deals on flights to Southeast Asia

Best Southeast Asia Flight Deals from Washington, D.C.

Good to know

Low season

High season

Cheapest flight

FAQs - booking Southeast Asia flights

How does KAYAK find such low prices 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?

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

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Southeast Asia?

Top tips for finding cheap flights to Southeast Asia

Book cheap flights from Washington, D.C. to Southeast Asia

Recent return flight deals

Search by stops

Search by airline

Search by price

Recent one-way flight deals

Search by stops

Search by airline

Search by price

Last minute flights from Washington, D.C. to Southeast Asia

Last minute flight, train and bus deals

Search by stops

Search by airline

Search by price

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.

Complete your trip to Southeast Asia with a hotel stay or car hire

Flights to other popular destinations

The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.

Flights from domestic origins to Washington, D.C.

Flights from all regions of Washington, D.C. to Southeast Asia. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Flights to popular cities in Southeast Asia

Find deals for your return flight