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Find cheap flights from Washington, D.C. to Southeast Asia from S$ 710

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 24-8. 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
Fri 7-6
Fri 14-6

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Best Southeast Asia Flight Deals

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

Singapore
Singapore1 stopS$ 1,243

Good to know

Low season

April

High season

December

Cheapest flight

S$ 710
Best time to beat the crowds (13% less expensive on average)
Most popular time to fly (35% 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 to Southeast Asia 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 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 to Southeast Asia 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 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 to Southeast Asia from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

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

Recent return flight deals

31-8Sat
1 stopSAUDIA
32h 35mIAD-SIN
14-9Sat
1 stopSAUDIA
34h 30mSIN-IAD
S$ 1,243
11-9Wed
1 stopTurkish Airlines
22h 55mIAD-SIN
1-10Tue
1 stopTurkish Airlines
40h 30mSIN-IAD
S$ 1,308
16-9Mon
2 stopsKorean Air
29h 40mDCA-SIN
24-9Tue
2 stopsKorean Air
34h 07mSIN-DCA
S$ 1,379
3-11Sun
2 stopsDelta
34h 00mDCA-SIN
10-11Sun
2 stopsDelta
28h 25mSIN-DCA
S$ 1,381
21-9Sat
2 stopsKorean Air
41h 27mDCA-SIN
29-9Sun
2 stopsKorean Air
32h 05mSIN-DCA
S$ 1,398
8-10Tue
2 stopsCathay Pacific
27h 55mDCA-SIN
21-10Mon
2 stopsCathay Pacific
27h 21mSIN-DCA
S$ 1,419
31-8Sat
2 stopsDelta
26h 45mDCA-SIN
14-9Sat
2 stopsDelta
32h 44mSIN-DCA
S$ 1,432
8-10Tue
2 stopsCathay Pacific
35h 25mDCA-SIN
22-10Tue
2 stopsCathay Pacific
32h 56mSIN-DCA
S$ 1,440
20-8Tue
2 stops
29h 01mDCA-SIN
28-8Wed
2 stops
26h 29mSIN-DCA
S$ 1,471
29-7Mon
2 stops
36h 15mIAD-SIN
5-8Mon
2 stops
26h 48mSIN-IAD
S$ 1,532

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Recent one-way flight deals

24-8Sat
1 stopSAUDIA
32h 35mIAD-SIN
S$ 710
24-8Sat
2 stopsAir India
42h 50mIAD-SIN
S$ 732
9-8Fri
2 stops
32h 05mIAD-SIN
S$ 771
16-10Wed
1 stopKorean Air
27h 35mIAD-SIN
S$ 778
7-10Mon
1 stopTurkish Airlines
32h 05mIAD-SIN
S$ 793
16-10Wed
2 stopsJapan Airlines
29h 18mIAD-SIN
S$ 800
9-10Wed
2 stopsJapan Airlines
29h 18mIAD-SIN
S$ 801
9-10Wed
1 stopTurkish Airlines
22h 55mIAD-SIN
S$ 809
9-8Fri
1 stopKorean Air
22h 00mIAD-SIN
S$ 842
9-8Fri
3 stops
34h 35mIAD-SIN
S$ 877

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Search by price

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

Last minute flight, train and bus deals

12-5Sun
multi-stopJetBlue
21h 50mIAD-SIN
9-6Sun
multi-stopJetBlue
26h 00mSIN-IAD
S$ 1,589
11-5Sat
multi-stopQatar Airways
21h 50mIAD-SIN
26-5Sun
multi-stopQatar Airways
33h 25mSIN-IAD
S$ 1,594
11-5Sat
multi-stopAmerican Airlines
32h 24mDCA-SIN
25-5Sat
multi-stopAmerican Airlines
27h 59mSIN-DCA
S$ 1,697
9-5Thu
multi-stopAmerican Airlines
30h 00mIAD-SIN
16-5Thu
multi-stopAmerican Airlines
27h 32mSIN-IAD
S$ 1,697
13-5Mon
multi-stopTurkish Airlines
22h 55mIAD-SIN
6-6Thu
multi-stopTurkish Airlines
27h 20mSIN-IAD
S$ 1,727
9-5Thu
multi-stopTurkish Airlines
22h 55mIAD-SIN
16-5Thu
multi-stopTurkish Airlines
45h 40mSIN-IAD
S$ 1,844
13-5Mon
multi-stop
31h 30mIAD-SIN
4-6Tue
multi-stop
32h 45mSIN-IAD
S$ 1,863
11-5Sat
multi-stopMalaysia Airlines
34h 10mIAD-SIN
26-5Sun
multi-stopMalaysia Airlines
30h 55mSIN-IAD
S$ 1,906
13-5Mon
multi-stop
31h 30mIAD-SIN
3-6Mon
multi-stop
31h 10mSIN-IAD
S$ 1,925
12-5Sun
multi-stopMalaysia Airlines
25h 15mIAD-SIN
3-6Mon
multi-stopMalaysia Airlines
26h 30mSIN-IAD
S$ 2,120

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Flights to Southeast Asia

Return flight deals:

Southeast Asia - Washington, D.C.

Cabin classes:

S$ 1,308
S$ 3,121
S$ 137

Browse origins:

  • Flights » 
  • Worldwide » 
  • North America » 
  • United States » 
  • District of Columbia » 
  • Washington, D.C.

Browse destinations:

  • Flights » 
  • Southeast Asia