$404 Find Cheap Flights from Washington Dulles Airport 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 Dulles Intl to Southeast Asia departing on 3/17. 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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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.
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.
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Cheap Flights from Dulles Intl to Southeast Asia

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Bangkok
Bangkok1 stop$856
Manila
Manila1 stop$942
Ho Chi Minh City
Ho Chi Minh City2 stops$961
Singapore
Singapore1 stop$848
Denpasar
Denpasar1 stop$1,036
Hanoi
Hanoi1 stop$876
Phuket City
Phuket City2 stops$884
Cebu City
Cebu City2 stops$873
Da Nang
Da Nang2 stops$985
Chiang Mai
Chiang Mai2 stops$872
Angeles City
Angeles City2 stops$850
Ko Samui
Ko Samui2 stops$997
Boracay
Boracay2 stops$1,223
Vientiane
Vientiane2 stops$1,136
Davao City
Davao City2 stops$1,314
Penang
Penang2 stops$1,039
Bangkok
Bangkok1 stop$856
Manila
Manila1 stop$942
Ho Chi Minh City
Ho Chi Minh City2 stops$961
Singapore
Singapore1 stop$848
Denpasar
Denpasar1 stop$1,036
Hanoi
Hanoi1 stop$876
Phuket City
Phuket City2 stops$884
Cebu City
Cebu City2 stops$873
Da Nang
Da Nang2 stops$985
Chiang Mai
Chiang Mai2 stops$872
Angeles City
Angeles City2 stops$850
Ko Samui
Ko Samui2 stops$997
Boracay
Boracay2 stops$1,223
Vientiane
Vientiane2 stops$1,136
Davao City
Davao City2 stops$1,314
Penang
Penang2 stops$1,039

Book Cheap Dulles Intl to Southeast Asia Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dulles Intl 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.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Dulles Intl to Southeast Asia

Mon, Mar 2 - Mon, Mar 9
Etihad Airways Logo
2:35 pm - 8:35 am
IAD
-
CGK
30h 00m
1 stop
Etihad Airways Logo
6:00 pm - 10:05 am
CGK
-
IAD
27h 05m
1 stop
$801Etihad Airways
Wed, Mar 4 - Tue, Mar 10
Etihad Airways Logo
2:35 pm - 8:35 am
IAD
-
CGK
30h 00m
1 stop
Etihad Airways Logo
6:00 pm - 10:05 am
CGK
-
IAD
27h 05m
1 stop
$802Etihad Airways
Mon, Apr 20 - Mon, May 11
ANA Logo
8:20 am - 10:15 pm
IAD
-
HAN
26h 55m
2 stops
ANA Logo
11:35 pm - 10:05 am
HAN
-
IAD
21h 30m
1 stop
$908ANA
Tue, May 12 - Fri, May 22
United Airlines Logo
10:05 pm - 10:15 pm
IAD
-
HAN
37h 10m
2 stops
United Airlines Logo
11:35 pm - 1:17 am
HAN
-
IAD
36h 42m
2 stops
$928United Airlines
Mon, Apr 20 - Mon, May 11
ANA Logo
8:20 am - 10:15 pm
IAD
-
HAN
26h 55m
2 stops
ANA Logo
11:35 pm - 7:28 pm
HAN
-
IAD
30h 53m
2 stops
$938ANA
Sun, Mar 1 - Tue, May 19
United Airlines Logo
10:05 pm - 10:55 pm
IAD
-
SGN
36h 50m
2 stops
United Airlines Logo
11:15 pm - 10:05 am
SGN
-
IAD
21h 50m
1 stop
$961United Airlines
Wed, Mar 11 - Sun, Mar 22
Qatar Airways Logo
11:40 am - 11:00 pm
IAD
-
HKT
24h 20m
2 stops
Qatar Airways Logo
8:20 am - 4:55 pm
HKT
-
IAD
43h 35m
1 stop
$964Qatar Airways
Tue, Mar 3 - Wed, Apr 15
Qatar Airways Logo
8:05 pm - 1:05 pm
IAD
-
SGN
29h 00m
1 stop
Qatar Airways Logo
11:00 am - 4:05 pm
SGN
-
IAD
40h 05m
2 stops
$965Qatar Airways
Mon, Feb 16 - Tue, Mar 24
Korean Air Logo
11:50 am - 12:50 pm
IAD
-
SGN
37h 00m
1 stop
Korean Air Logo
2:05 pm - 7:19 pm
SGN
-
IAD
40h 14m
2 stops
$966Korean Air
Mon, Mar 9 - Mon, Mar 23
Korean Air Logo
10:06 am - 12:50 pm
IAD
-
SGN
39h 44m
2 stops
Korean Air Logo
2:05 pm - 7:19 pm
SGN
-
IAD
40h 14m
2 stops
$971Korean Air
Booking Insights

KAYAK's insights & trends for Dulles Intl to Southeast Asia flights

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

Can I save money by flying with a layover from Washington, D.C. Dulles Intl Airport to Southeast Asia?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $452, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport 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. Dulles Intl Airport to Southeast Asia is October, when tickets cost $990 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of round-trip tickets is $1,467 and $1,405 respectively.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport 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. Dulles Intl Airport to Southeast Asia, you should book around 4 weeks before departure, which saves you about 17% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

Good to know

Low seasonMay
Cheapest flight$404
Best time to beat the crowds but there is an average 4% increase in price.
Most popular time to fly with an average 41% increase in price.
Flight from Washington Dulles Airport to Kuala Lumpur

FAQs - booking Southeast Asia flights

  • How does KAYAK find such low prices on flights from Washington Dulles Airport 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 Dulles Airport to Southeast Asia.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Washington Dulles Airport to 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 Washington Dulles Airport to Southeast Asia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Washington Dulles Airport 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 Dulles Airport 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 Dulles Airport to 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 5 airlines serving from Dulles Intl to Southeast Asia

 
See real verified KAYAK customer reviews for airlines flying from Washington, D.C. to Southeast Asia. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Dulles Intl to Southeast Asia? 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.
8.4
ANAOverall score based on 1078 reviews
8.2Comfort
7.7Food
8.5Boarding
8.7Crew
7.9Entertainment
Airline reviews

Cabin Crew was excellent. They took care of everything requested. Flight was good

10.0 ExcellentAnonymous, Jan 2026
ORD - HND
Read more ANA reviews

Cabin Crew was excellent. They took care of everything requested. Flight was good

I was charged $200 for a 2nd checked bag, which is unreasonably high and feels like price gouging. Other than that the experience was excellent.

The ROOM was great. We would love to have it on all of our flights. LOL

I would prefer to fly with Japanese airlines over American ones. They have better food and service overall

United Airlines crew members do not know how to deal with emergency situation that caused our flight delay. For example, they should have asked the maintenance or seat belt repair personnel to come and fix the seat belt while they were looking for a volunteer to book another flight.

The pilot was kept warning about the weather terrifying us. The flight attendants were not warm or pleasant.

Entertainment and food is best. I love to use ana for a lots japanese movies…. Food was best

I couldn’t sit with my daughter. we are separate and both seat was not window or halway side. in the middle. if we sit together will be share comfort seat and more easy travel. this is bad.

First trip from Tulsa to Houston by air. It went by quickly. I watched half a movie and continued the rest on the next flight. Staff was considerate and helpful.

The meals were sufficient and tasty considering it was air travel food. Water coffee and juices offered each time a meal came by and water distributed between meals. It was good service in my opinion. Plenty of movies to enjoy. May not be the one you want but plenty of older movies and plenty of current ones as well. I enjoyed the trip.

Never had a flight delay issue with Korean Air, that's why I always go with this airline.

The boarding process was efficient and quick. The seats were comfortable. The food was good. The service was excellent. We had a lovely flight from Seattle on Korean air

Flight crew was fantastic. The aircraft was meticulously cleaned at all times. The crew was continuously checking to see if the passengers were ok.

It’s great, long flight and arrive safe at destination

They were trying to get people to check luggage because the over head compartments were full but when we boarded there were lots of empty places that people could have put the luggage.

It was good, I liked the self-serve snacks but it was a little difficult to get the alcohol, which is understandable since I wouldn't want kids sneaking it.

Friendly flight attendants and gate agents. Very clean plane and food was good!

I was unable to select decent seats, and so I was stuck in the middle seat because it was selected for me

There was a lot of partial tv shows but not enough to last the flight. The food was incredible! The crew were so helpful and patient. Lots more space than what I usually get on an international flight. Very comfortable!

Stingy on the drinks - 15 hour direct flight and could barely get attention for some water

When we checked in at the Siem Reap Airport in Cambodia, we were only given three boarding passes and told that we would have to check in with American when we arrived in Boston. This was a source of stress for us. After we landed in Boston, we had a long passage from Terminal E to Terminal B (American Airline ticketing counter). Because the electronic ticketing kiosks for check-in would not recognize our Confirmation Code, we had to wait for an hour in a long line where only two AA reps were taking care of Special Services passengers. In many years of both business and recreational travel, I have never had this experience. I would expect more from AA being in partnership with other airlines to do a better job with this.

Our experience on the Doha to Hyderabad segment was extremely stressful due to prolonged delays and a lack of clear communication from the airline. We were traveling as a family, including children, and the uncertainty around timing and next steps caused significant distress. There was very little proactive information provided during the delay, and we were not given clear written explanations about what was happening or how long it might take. This made it difficult to manage the situation, especially while caring for children in a transit environment. In addition, one member of our party was ultimately unable to continue travel, which added to the emotional strain and disruption of the trip. Overall, the experience highlighted gaps in communication, customer care, and handling of unexpected situations. We are sharing this feedback so that future passengers, especially families, are supported with clearer communication and better assistance during irregular operations.

The seat cushions are absolutely lacking, not sure if they know the passengers are traveling for 14 hours straight, but the padding made our back and butt ache like crazy. The entertainment console had its own problems, either the headphone jack wasn't working or the power outlet via usb or ac outlet was not working. Not to mention the seat handles were not adjustable in some planes in the middle or on the aisle. Qatar/Indigo may be operating a very old fleet of planes to make as much profit as possible, but passengers may not be following them for long, should this treatment of its customers continue. Qatar/Indigo, wake up and do it right by your customers, or they may not be your customers anymore.

It would help id flight crew were not rude and showed some courtesy. They were shouting at passengers and yelling instructions as if we were school children at lunch cafeteria!!

All good. Over four hours flight if provided snacks like Qatar Airways would be better

Lobster starter in business class was not good, tough, served cold, and without butter. Movie selection was missing latest releases, did not offer older classic, high quality movies

Food was absolutely pathetic. I wasted so much food which I thought was inedible. I also loathe the inflight entertainment system which has very little content

My entire row did not have power for the full duration of a 14.5 hour flight. Could not charge any devices such as laptop or phones for the entirety of the long flight. The flight attendants tried to remedy the issue by resetting the power, but were not successful. The only other solution provided was to move me to another seat on the plane which was in the middle row. I had paid for a “preferred” seat that was a window seat. This was a downgrade being offered due to the power issue.

Nothing to complain. The staff and flight was good especially the seats which was better compared than the cloth ones on Qatar airways

I was travelling 3.5 years after. Agree Economy is no business class but the food was mediocre. Ordered a Hindu meal, the salads were bitter . The food was really below quality and had no tast from what I had in the past. Indian Railways probably have a better quality food when compared. However the kids meal was really nice and really appreciate how they were taken care of. The restrooms were dirty .

Very good. Because of the delays with my previous flight, I missed my connection, but I was able to book another flight through the United app easily.

Was happy we finally got upgraded in 1st class. The seat getting old. The cushiness need some improvement.

Ineffective communication with United resulted in lost baggage. Their Baggage Tracing counter at MUC was shut down from 11:00-14:15 on my arrival. Undertrained, underinformed staff had me Running all over MUC to find someone to help me to no avail. Staff was rude, unhelpful, and unable to effectively use the systems they did have operational. They refused to contact United in any way or provide any accommodation or other resources while I waited for my luggage. This has destroyed my downstream itinerary. If they had even the slightest visibility I may have been able to reschedule/plan, but again, their staff provided nothing, and did nothing more than their website, which doesn’t even work on a standard phone browser. Miserable failure at all levels that weren’t associated with the operation of the aircraft.

Sat next to a one year old. She crawled all over the place and made me laugh.

The Crew and the food was the worst I ever had in Business Class. First they told us there were no space for carry on. It was plenty of space over our 2 row seats, we had to ask to let us travel with it which was accepted. They were aware that we had to run for the connection due to the previous flight delay. Have us one hour waiting for more customers and not even offer a glass of water. Then started the service and they started to serve other passengers drinks in business and did not offer any drinks until they serve our pre ordered meal and I ask for something to drink. I had to wait until they finished to serve all passengers until Inget something. The crew was the worts I ever had for Business Class in my life.

Not great experience - we were super late boarding due to issues with aircraft. Then when we finally all got onboard and seated and they started taxiing out to the runway they just stopped then turned around and went back to the airport. Apparently the crew “ran out of time” to legally fly us. They mentioned that they were about 2 minutes away from taking off. I understand the rules and safety but kinda wonder why they would have bothered boarding us in the first place? Had to go all the way back and de plane and then wait in a HUGE line to get a hotel (this is somewhere around 2:30am) finally got to hotel by Uber (no shuttle after 20min so gave up) and they ended up putting us all back on the same aircraft at 10am next morning so got about 2.5 hours sleep. They did give us. $250 credit, but it was a São Paulo Brazil flight out of Dulles. The flight and everything was fine.

Starlink wifi on the Embraer E175 is an excellent experience. I was able to connect and work from IAD all the way to approach into BTV.

7 hours delayed due to operational issues on United’s end. Basically laziness.

Short flight but an "eager to help" crew made the journey more enjoyable!

During booking, I kept trying submitting my payment from the Mexican website and it didn't work. After I had the idea to change it to the Canadian website, it worked but I had to be charged the equivalent of 50 CAD more. I received the clear instruction that I would only be able to check-in at the airport and that it was impossible to select a seat 24 hours before departure, that I had to pay 144 CAD to do so, although not only was I able to check-in 24 hours before departure, but I could have selected my seats for free then. All in all, I almost threw $200 out the window due to misleading information. Besides, the app kept crashing, the information to get to the gate on the app was inaccurate, my gate was switched and I was only informed once in the air (luckily I had noticed the departure pannel), I was not addressed in my language beforehand and even if I tried I was immediately answered in English (which meant the crew understood but didn't want to answer accordingly), there was only one snack & beverage service on my medium haul flight and no beverage service on my short haul flight. To be fair, the planes were comfortable, the crew apart from the language issue was helpful, dynamic and engaging, the plane was clean and the directions were clear and direct. United has a lot of potential to be one of my favourite airlines, but the devil is in the details and a lot of them missed the target.

My, Syed Zawar Hussein Shirazi frequently flyer membership number was not included on my boarding pass from O’Hare to Istanbul despite my reminder to the attendant at check in. Further she forgot to give me my boarding pass form Istanbul to Lahore and she needs to improve her customer service, please 🙏

Everything about that day was great I was happy with how things went as a first time traveling with the airline thank you for all that you’ve doing by taking us there to our various destinations thanks.

They oversold the tickets by one which was my ticket so I didn’t have a ticket till last second

Not good. I was supposed to be in Mint but got in economy class

Service was slow and checked bag was off last evening when flying business

Turkish Airline canceled our tickets in the very last minute, with our luggage and everything else, all prepared and good to go. It’s clear that they sold the tickets for better money to someone else. Bad, Bad, Bad business!!!

Awful seating. Bad food. Staff only have one bottle of water and no cans.

it was like a banya -so hot... They did provide a great experience with special food. one toilet broke midflight In general it was a peaceful and relaxing flight - for business class it was good.

Chicago to Istanbul was a much better experience than I expected since I’m more accustomed to Qatar Airways business class. The business lounge in the Istanbul airport was amazing - loved the lockers and phone charging stations, and the bathroom was a spa experience in itself. The onward leg from Istanbul to Karachi was utterly disappointing. Terrible plane, and I felt like I was in economy - the seats don’t come near to lying flat and the food was mediocre. What a sad downgrade - it isn’t as though the ticket on that leg was cheaper. So, on that front, there’s no contest with Qatar airways.

Second leg of Turkish Airline with Indigo is disaster for following reason. 1) You have to carry your cabin bags through ladder to boeing 777 because it was parked somewhere in parking lot and was not given a gate to board passengers and this seems to be people traveling to and fro from those flights and is not issue with flight itself. 2) I choose non vegetarian food on Turkish portal way ahead of checkin to entire trip, However the Indigo flight gave me random veg food saying they code veg food code from Turkish. 3) Indigo did not served any alcoholic beverages stating some weird reason which is non nonsensical. 4)Indigo have TV screens in front of you but it displays nothing except "Welcome Onboard" with annoying white black ground in dark flight. This is the most stupidest and annoying part because you are held hostage for 7 hours and only thing you could do is stare back at white screen which does not have entertainment package or even flight tracker. Such a shame.

Everything you need to know for your flight to Southeast Asia

Information on your arrival and departure airports