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Cheap flights from Bangkok Don Mueang Intl Airport to Washington, D.C. from $659

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 9/10. 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

Logo
12:05 pm - 3:55 pmDMK-IAD
39h 50m2 stops
Logo
9:05 pm - 7:15 pmIAD-DMK
35h 10m2 stops
$1,416
Find Deal
Sun, Mar 1 - Sat, Mar 14
Logo
12:05 pm - 3:55 pmDMK-IAD
39h 50m2 stops
Logo
8:05 pm - 11:05 amIAD-DMK
27h 00m2 stops
$1,420
Find Deal
Sun, Dec 21 - Thu, Jan 1
Logo
8:35 pm - 4:10 pmDMK-IAD
30h 35m2 stops
Logo
10:40 am - 4:30 amIAD-DMK
29h 50m2 stops
$1,421
Find Deal
Tue, Sep 30 - Sun, Nov 2
Logo
2:40 am - 9:05 pmDMK-IAD
29h 25m2 stops
Logo
10:40 am - 4:30 amIAD-DMK
29h 50m2 stops
$1,492
Find Deal
Mon, Sep 29 - Sun, Nov 2
Logo
2:40 am - 9:05 pmDMK-IAD
29h 25m2 stops
Logo
9:35 am - 2:40 amIAD-DMK
30h 05m2 stops
$2,018
Find Deal
Fri, Sep 19 - Sat, Sep 27
Logo
11:55 pm - 9:05 pmDMK-IAD
32h 10m2 stops
Logo
9:35 am - 2:40 amIAD-DMK
30h 05m2 stops
$2,119
Find Deal
Sat, Sep 20 - Sat, Sep 27

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 September 4, 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

Sun 3/1

12:05 pm-3:55 pm

2 stops39h 50m

Washington, D.C. Dulles Intl

Sat 3/14

9:05 pm-7:15 pm

2 stops35h 10m

$1,416

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Sun 12/21

12:05 pm-3:55 pm

2 stops39h 50m

Washington, D.C. Dulles Intl

Thu 1/1

8:05 pm-11:05 am

2 stops27h 00m

$1,420

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Tue 9/30

8:35 pm-4:10 pm

2 stops30h 35m

Washington, D.C. Dulles Intl

Sun 11/2

10:40 am-4:30 am

2 stops29h 50m

$1,421

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Mon 9/29

2:40 am-9:05 pm

2 stops29h 25m

Washington, D.C. Dulles Intl

Sun 11/2

10:40 am-4:30 am

2 stops29h 50m

$1,492

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Fri 9/19

2:40 am-9:05 pm

2 stops29h 25m

Washington, D.C. Dulles Intl

Sat 9/27

9:35 am-2:40 am

2 stops30h 05m

$2,018

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Sat 9/20

11:55 pm-9:05 pm

2 stops32h 10m

Washington, D.C. Dulles Intl

Sat 9/27

9:35 am-2:40 am

2 stops30h 05m

$2,119

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Wed 9/10

3:05 am-12:23 am

3 stops32h 18m

$659

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Thu 9/18

11:55 pm-9:05 pm

2 stops32h 10m

$660

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Thu 9/11

7:30 pm-7:45 pm

3 stops35h 15m

$662

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Thu 9/18

11:55 pm-6:19 pm

3 stops29h 24m

$663

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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.

Direct flights

None
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..
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  • 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 25m.

  • 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
Gettysburg
National Harbor
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Silver Spring
Colonial Beach
Fredericksburg
Towson
Rockville
Manassas
Reston
Fairfax
Gaithersburg
Glen Burnie
Springfield
Linthicum Heights

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