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Cheap flights from Bangkok Don Mueang Intl Airport to Washington, D.C. from $636

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 3/30. 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
4:00 pm - 3:55 pm
DMK
-
IAD
35h 55m
2 stops
Multiple Airlines Logo
2:35 pm - 2:30 am
IAD
-
DMK
23h 55m
2 stops
$1,154Multiple Airlines
Thu, Feb 26 - Thu, Mar 5
Multiple Airlines Logo
1:40 pm - 9:05 am
DMK
-
IAD
31h 25m
2 stops
Multiple Airlines Logo
2:35 pm - 2:30 am
IAD
-
DMK
23h 55m
2 stops
$1,164Multiple Airlines
Wed, Feb 25 - Wed, Mar 4
Multiple Airlines Logo
1:40 pm - 9:05 am
DMK
-
IAD
31h 25m
2 stops
Multiple Airlines Logo
3:10 pm - 2:35 am
IAD
-
DMK
24h 25m
2 stops
$1,200Multiple Airlines
Wed, Mar 4 - Wed, Apr 29
Multiple Airlines Logo
8:35 pm - 3:40 pm
DMK
-
IAD
30h 05m
2 stops
Multiple Airlines Logo
3:10 pm - 2:35 am
IAD
-
DMK
24h 25m
2 stops
$1,234Multiple Airlines
Mon, Apr 6 - Fri, Apr 24
Multiple Airlines Logo
1:40 pm - 9:05 am
DMK
-
IAD
31h 25m
2 stops
Multiple Airlines Logo
2:35 pm - 11:05 am
IAD
-
DMK
32h 30m
3 stops
$1,283Multiple Airlines
Wed, Feb 25 - Wed, Mar 4
Multiple Airlines Logo
10:45 pm - 4:55 pm
DMK
-
IAD
29h 10m
2 stops
Multiple Airlines Logo
3:10 pm - 2:35 am
IAD
-
DMK
24h 25m
2 stops
$1,287Multiple Airlines
Tue, Mar 10 - Wed, Apr 29
Multiple Airlines Logo
8:50 pm - 8:32 pm
DMK
-
IAD
34h 42m
3 stops
Multiple Airlines Logo
3:10 pm - 2:40 am
IAD
-
DMK
24h 30m
2 stops
$1,333Multiple Airlines
Tue, Jun 16 - Thu, Aug 6
Multiple Airlines Logo
8:35 pm - 1:35 pm
DMK
-
IAD
28h 00m
2 stops
Multiple Airlines Logo
3:10 pm - 2:40 am
IAD
-
DMK
24h 30m
2 stops
$1,375Multiple Airlines
Tue, Jun 16 - Thu, Aug 6
Multiple Airlines Logo
6:00 pm - 5:45 pm
DMK
-
IAD
34h 45m
3 stops
Multiple Airlines Logo
3:10 pm - 2:35 am
IAD
-
DMK
24h 25m
2 stops
$1,440Multiple Airlines
Mon, Apr 6 - Fri, Apr 24

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 January 29, 2026.
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

Thu 2/26

4:00 pm-3:55 pm

2 stops35h 55m

Washington, D.C. Dulles Intl

Thu 3/5

2:35 pm-2:30 am

2 stops23h 55m

$1,154

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Wed 2/25

1:40 pm-9:05 am

2 stops31h 25m

Washington, D.C. Dulles Intl

Wed 3/4

2:35 pm-2:30 am

2 stops23h 55m

$1,164

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Wed 3/4

1:40 pm-9:05 am

2 stops31h 25m

Washington, D.C. Dulles Intl

Wed 4/29

3:10 pm-2:35 am

2 stops24h 25m

$1,200

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Mon 4/6

8:35 pm-3:40 pm

2 stops30h 05m

Washington, D.C. Dulles Intl

Fri 4/24

3:10 pm-2:35 am

2 stops24h 25m

$1,234

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Wed 2/25

1:40 pm-9:05 am

2 stops31h 25m

Washington, D.C. Dulles Intl

Wed 3/4

2:35 pm-11:05 am

3 stops32h 30m

$1,283

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Tue 3/10

10:45 pm-4:55 pm

2 stops29h 10m

Washington, D.C. Dulles Intl

Wed 4/29

3:10 pm-2:35 am

2 stops24h 25m

$1,287

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Tue 6/16

8:50 pm-8:32 pm

3 stops34h 42m

Washington, D.C. Dulles Intl

Thu 8/6

3:10 pm-2:40 am

2 stops24h 30m

$1,333

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Tue 6/16

8:35 pm-1:35 pm

2 stops28h 00m

Washington, D.C. Dulles Intl

Thu 8/6

3:10 pm-2:40 am

2 stops24h 30m

$1,375

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Mon 4/6

6:00 pm-5:45 pm

3 stops34h 45m

Washington, D.C. Dulles Intl

Fri 4/24

3:10 pm-2:35 am

2 stops24h 25m

$1,440

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Mon 3/30

1:40 pm-9:45 am

3 stops31h 05m

$636

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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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 10m

Direct flights

None
The fastest flight from Bangkok Don Mueang Intl Airport to Washington, D.C. takes 29h 10m
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 10m.

  • 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.

  • How do I get Price Alerts for flights from Bangkok Don Mueang Intl Airport to Washington, D.C.?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Bangkok Don Mueang Intl Airport from Washington, D.C.. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Bangkok Don Mueang Intl Airport to Washington, D.C. with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Fairfax
Linthicum Heights
Bethesda
Reston

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