S$ 558 Find Cheap Flights from Southeast Asia to Washington, D.C.

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Washington, D.C. departing on 12-3. 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
1 adult, Economy, 0 bags

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Southeast Asia to Washington, D.C. 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.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Southeast Asia to Washington, D.C.

Mo, 13 Apr - Mo, 20 Apr
Turkish Airlines Logo
11:10 - 11:35
SIN
-
IAD
36h 25m
1 stop
Turkish Airlines Logo
13:20 - 09:30
IAD
-
SIN
32h 10m
1 stop
S$ 1,260Turkish Airlines
Di, 14 Apr - Di, 21 Apr
Turkish Airlines Logo
10:25 - 11:35
SIN
-
IAD
37h 10m
1 stop
Turkish Airlines Logo
21:45 - 08:45
IAD
-
SIN
23h 00m
1 stop
S$ 1,267Turkish Airlines
So, 14 Jun - Mo, 2 Nov
United Airlines Logo
09:35 - 15:50
BKK
-
IAD
41h 15m
1 stop
United Airlines Logo
13:05 - 05:10
IAD
-
BKK
28h 05m
2 stops
S$ 1,341United Airlines
So, 7 Jun - So, 12 Jul
United Airlines Logo
09:35 - 15:50
BKK
-
IAD
41h 15m
1 stop
United Airlines Logo
06:10 - 04:35
IAD
-
BKK
35h 25m
2 stops
S$ 1,342United Airlines
Di, 14 Apr - Di, 21 Apr
Multiple Airlines Logo
13:45 - 05:40
SIN
-
IAD
27h 55m
2 stops
Multiple Airlines Logo
19:11 - 12:35
IAD
-
SIN
29h 24m
2 stops
S$ 1,347Multiple Airlines
Di, 28 Apr - Mo, 20 Jul
Delta Logo
21:40 - 23:44
BKK
-
DCA
37h 04m
2 stops
Delta Logo
10:00 - 23:35
DCA
-
BKK
26h 35m
2 stops
S$ 1,363Delta
Di, 28 Apr - Fr, 24 Jul
Delta Logo
21:40 - 23:55
BKK
-
IAD
37h 15m
2 stops
Delta Logo
06:15 - 01:05
IAD
-
BKK
31h 50m
2 stops
S$ 1,363Delta
Mo, 13 Apr - Mo, 20 Apr
Multiple Airlines Logo
17:55 - 19:30
SIN
-
IAD
37h 35m
1 stop
Multiple Airlines Logo
15:10 - 04:55
IAD
-
SIN
25h 45m
2 stops
S$ 1,368Multiple Airlines
Mi, 20 Mai - Mi, 27 Mai
Air Canada Logo
08:10 - 22:28
SIN
-
DCA
26h 18m
2 stops
Air Canada Logo
20:40 - 05:15
DCA
-
SIN
44h 35m
2 stops
S$ 1,499Air Canada
Mi, 20 Mai - Mi, 27 Mai
Air Canada Logo
08:10 - 08:53
SIN
-
DCA
36h 43m
2 stops
Air Canada Logo
20:40 - 05:15
DCA
-
SIN
44h 35m
2 stops
S$ 1,501Air Canada
Useful Info

Good to know

Low seasonJanuary
Cheapest flightS$ 558
Best time to beat the crowds but there is an average 1% increase in price.
Most popular time to fly and prices are also 1% lower on average.
Flight from Singapore to Washington Dulles Airport

FAQs for booking flights from Southeast Asia to Washington, D.C.

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

    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 Southeast Asia to Washington, D.C..

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Southeast Asia 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 Southeast Asia to Washington, D.C.?

    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 Washington, D.C. with an airline and back to Southeast Asia with another airline.

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

    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 Washington, D.C. from Southeast Asia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Southeast Asia to Washington, D.C.

 
Need help choosing which airline to fly with from Southeast Asia to Washington, D.C.? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9363 reviews
6.6Food
7.3Comfort
7.1Entertainment
7.7Boarding
8.1Crew
Airline reviews

When I went to check in at the United counter in Barcelona, Spain I had 2 different menat 2 different times in United uniforms (standing around with a couple other employees) ask me if I was traveling alone. The one man asked me 3 different ways if I was traveling alone. I am, 68 yeaers old and have all my faculties. I thought it was weird and it made me feel very uncomfortable. What difference does it make if I was traveling alone or with someone? What if I was a recent widow? That would have been horrible. They never gave me a reason why they needed to know who I was traveling with. I was hesitant to question them because I needed to be on that flight.

10.0 ExcellentJudy, Feb 2026
BCN - IAD
Read more United Airlines reviews

When I went to check in at the United counter in Barcelona, Spain I had 2 different menat 2 different times in United uniforms (standing around with a couple other employees) ask me if I was traveling alone. The one man asked me 3 different ways if I was traveling alone. I am, 68 yeaers old and have all my faculties. I thought it was weird and it made me feel very uncomfortable. What difference does it make if I was traveling alone or with someone? What if I was a recent widow? That would have been horrible. They never gave me a reason why they needed to know who I was traveling with. I was hesitant to question them because I needed to be on that flight.

We were delayed for about an hour from taking off due to traffic control procedures at the destination airport. But once in the air, the flight went well. The crew members were great and provided cabin service despite moderate turbulence during much of the flight.

Crew was great. 2 1/2 hour delay was due to staff needing "rest" was avoidable and self inflicted as United not willing to hire enough crew to keep flight on time.. Ridiculous. The crew and the passengers both suffered due to this.

Fine not above and beyond as I had a connection that was delayed due to maintenance

Bad food, bad service, cold cabin with no additional blankets when asked for (they told me they don’t provide additional blankets). I’m a frequent traveler and this is one of the worst companies I traveled with (by the way I thought that I booked my ticket with Lufthansa but I didn’t see that the flights were handled by United).

Great other than a couple very drunk guys that for a while kept bumping my seat from behind. The staff did their best to control them. Even refused serving them alcohol and allowed the gal sitting next to them to move.

Good crew. Boarding delays. Almost two hours wait for the bags in DC.

Unfortunately weather delayed our flight waiting for our plane to arrive and due to a little snow time was needed to deice the plane so departure was very delayed and I missed the connecting flight

It was great. There were some issues prior to takeoff. The weather was poor so we had to go through deicing, and we were delayed a bit by the pilots' concern about one of the engines, but that's aviation. The pilots handled everything with aplomb, and kept us apprised

The seats were comfortable and we had leg room. Great entertainment.

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Arlington
Linthicum Heights
Herndon
Bethesda
Chesapeake Beach
Reston
Oxon Hill
Silver Spring
Alexandria
McLean
National Harbor
Tysons

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

Cabin class types available on flights to Southeast Asia

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 to Washington, D.C.from S$ 2,023
Business Class Flights to Washington, D.C.from S$ 4,673
Premium Economy Class Flights to Washington, D.C.from S$ 1,813
Economy class Flights to Washington, D.C.from S$ 81