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Cheap flights from Bangkok Don Mueang Intl Airport to Washington, D.C. from $647

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bangkok Don Mueang Intl Airport to Washington, D.C. departing on 12/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Bangkok Don Mueang Intl Airport to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:50 pm - 3:46 pm
DMK
-
IAD
34h 56m3 stops
Multiple Airlines Logo
2:35 pm - 4:20 am
IAD
-
DMK
25h 45m2 stops
$1,733Multiple Airlines
lun., ene. 5 - lun., ene. 26
Multiple Airlines Logo
1:40 pm - 11:35 am
DMK
-
IAD
33h 55m2 stops
Multiple Airlines Logo
2:35 pm - 4:20 am
IAD
-
DMK
25h 45m2 stops
$1,819Multiple Airlines
lun., ene. 5 - lun., ene. 26
Multiple Airlines Logo
9:15 am - 8:10 am
DMK
-
IAD
34h 55m2 stops
Multiple Airlines Logo
11:15 am - 11:50 am
IAD
-
DMK
37h 35m2 stops
$1,991Multiple Airlines
lun., ene. 5 - vie., mar. 27
Multiple Airlines Logo
10:00 pm - 3:55 pm
DMK
-
IAD
53h 55m2 stops
Multiple Airlines Logo
7:10 pm - 8:45 am
IAD
-
DMK
26h 35m1 stop
$2,285Multiple Airlines
lun., ene. 5 - vie., mar. 27
Multiple Airlines Logo
8:45 am - 3:55 pm
DMK
-
IAD
43h 10m2 stops
Multiple Airlines Logo
7:10 pm - 8:45 am
IAD
-
DMK
26h 35m1 stop
$2,316Multiple Airlines
mar., ene. 6 - vie., mar. 27
Multiple Airlines Logo
8:50 pm - 9:05 am
DMK
-
IAD
48h 15m2 stops
Multiple Airlines Logo
7:10 pm - 8:45 am
IAD
-
DMK
26h 35m1 stop
$2,966Multiple Airlines
dom., ene. 4 - vie., mar. 27
Multiple Airlines Logo
9:15 am - 8:20 am
DMK
-
IAD
35h 05m2 stops
Multiple Airlines Logo
10:40 am - 5:05 pm
IAD
-
DMK
42h 25m2 stops
$9,877Multiple Airlines
sáb., feb. 14 - vie., mar. 6

momondo Fare Finder

 
Customize your flight search to find flights from Bangkok Don Mueang Intl Airport to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated diciembre 15, 2025.
Use the filters below to find and compare flights from Bangkok Don Mueang Intl Airport to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

lun. 1/5

4:50 pm-3:46 pm

3 stops34h 56m

Washington, D.C. Dulles Intl

lun. 1/26

2:35 pm-4:20 am

2 stops25h 45m

$1,733

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

lun. 1/5

1:40 pm-11:35 am

2 stops33h 55m

Washington, D.C. Dulles Intl

lun. 1/26

2:35 pm-4:20 am

2 stops25h 45m

$1,819

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

lun. 1/5

9:15 am-8:10 am

2 stops34h 55m

Washington, D.C. Dulles Intl

vie. 3/27

11:15 am-11:50 am

2 stops37h 35m

$1,991

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

lun. 1/5

10:00 pm-3:55 pm

2 stops53h 55m

Washington, D.C. Dulles Intl

vie. 3/27

7:10 pm-8:45 am

1 stop26h 35m

$2,285

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

mar. 1/6

8:45 am-3:55 pm

2 stops43h 10m

Washington, D.C. Dulles Intl

vie. 3/27

7:10 pm-8:45 am

1 stop26h 35m

$2,316

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

dom. 1/4

8:50 pm-9:05 am

2 stops48h 15m

Washington, D.C. Dulles Intl

vie. 3/27

7:10 pm-8:45 am

1 stop26h 35m

$2,966

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

sáb. 2/14

9:15 am-8:20 am

2 stops35h 05m

Washington, D.C. Dulles Intl

vie. 3/6

10:40 am-5:05 pm

2 stops42h 25m

$9,877

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

sáb. 12/20

10:15 pm-2:45 pm

2 stops52h 30m

$647

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

dom. 1/25

11:50 pm-4:26 pm

3 stops52h 36m

$656

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

dom. 12/21

6:45 am-2:45 pm

2 stops44h 00m

$658

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Bangkok Don Mueang Intl Airport to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Bangkok Don Mueang Intl Airport is on a Sunday. momondo users have found tickets for Sunday departures for as low as $1,114. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Bangkok Don Mueang Intl Airport to Washington, D.C. for around $1,287.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the morning is the cheapest time of day to fly from Bangkok Don Mueang Intl Airport to Washington, D.C. when you can find flight prices for as low as $1,121. Flying to Washington, D.C. in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $1,279. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Bangkok Don Mueang Intl Airport to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Bangkok Don Mueang Intl Airport to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Bangkok Don Mueang Intl Airport to Washington, D.C. (DMK to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bangkok Don Mueang Intl Airport to Washington, D.C.

Fastest flight time

29h 50m

Direct flights

None
The fastest flight from Bangkok Don Mueang Intl Airport to Washington, D.C. takes 29h 50m
There are no direct flights from Bangkok Don Mueang Intl Airport to Washington, D.C.. There are no popular flight routes from Bangkok Don Mueang Intl Airport to Washington, D.C..
Search flight deals

  • How far is Bangkok Don Mueang Intl to Washington, D.C. by plane?

    A flight from Bangkok Don Mueang Intl to Washington, D.C. will travel around 8778.0 mi. A reasonable flight in good conditions will take 29h 50m.

  • When did momondo last update prices for flights from Bangkok Don Mueang Intl Airport to Washington, D.C.?

    Prices for flights from Bangkok Don Mueang Intl Airport to Washington, D.C. were last updated today.

  • How old do you have to be to fly from Bangkok Don Mueang Intl Airport to Washington, D.C.?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Bangkok Don Mueang Intl Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Gaithersburg
Reston
Manassas
Fairfax
Glen Burnie
Linthicum Heights
Bethesda

Why use momondo?

Why should I use momondo to find a flight deal from Bangkok to Washington, D.C.?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Bangkok to Washington, D.C.. momondo saves you time and could save you money on your trip.

Can I find flights from Bangkok to Washington, D.C. with flexible booking policies on momondo?

Flights from Bangkok to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Bangkok to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Bangkok.

I’m not ready to book a flight from Bangkok to Washington, D.C. right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Bangkok to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport