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Cheap flights from Washington, D.C. to Bangkok from $575

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Bangkok departing on 8/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Washington, D.C. to Bangkok

Cheap round-trip flights

Enter your travel dates to find the best prices.
Emirates Logo
10:55 am - 8:45 pm
IAD
-
DMK
22h 50m
1 stop
Emirates Logo
11:50 pm - 8:40 am
DMK
-
IAD
43h 50m
1 stop
$1,172Emirates
Wed, Sep 23 - Mon, Sep 28
Emirates Logo
10:55 am - 11:25 am
IAD
-
DMK
37h 30m
1 stop
Emirates Logo
11:50 pm - 8:40 am
DMK
-
IAD
43h 50m
1 stop
$1,173Emirates
Sun, Aug 23 - Thu, Sep 3
Emirates Logo
10:55 am - 11:25 am
IAD
-
DMK
37h 30m
1 stop
Emirates Logo
11:50 pm - 8:40 am
DMK
-
IAD
43h 50m
1 stop
$1,174Emirates
Sun, Aug 9 - Thu, Sep 3
Emirates Logo
10:55 am - 11:25 am
IAD
-
DMK
37h 30m
1 stop
Emirates Logo
11:00 am - 9:00 am
DMK
-
IAD
33h 00m
1 stop
$1,176Emirates
Wed, Aug 26 - Wed, Oct 28
Multiple Airlines Logo
9:00 pm - 11:05 am
IAD
-
DMK
27h 05m
2 stops
Multiple Airlines Logo
6:00 pm - 3:40 pm
DMK
-
IAD
56h 40m
2 stops
$1,186Multiple Airlines
Mon, Oct 12 - Tue, Oct 20
Multiple Airlines Logo
9:00 pm - 12:40 pm
IAD
-
DMK
28h 40m
2 stops
Multiple Airlines Logo
1:45 pm - 8:55 am
DMK
-
IAD
54h 10m
2 stops
$1,187Multiple Airlines
Sun, Sep 13 - Wed, Sep 30
Emirates Logo
10:55 am - 11:25 am
IAD
-
DMK
37h 30m
1 stop
Emirates Logo
11:50 pm - 8:40 am
DMK
-
IAD
43h 50m
1 stop
$1,188Emirates
Sun, Aug 23 - Mon, Aug 31
Multiple Airlines Logo
9:00 pm - 12:40 pm
IAD
-
DMK
28h 40m
2 stops
Multiple Airlines Logo
9:15 am - 8:45 am
DMK
-
IAD
34h 30m
2 stops
$1,215Multiple Airlines
Tue, Sep 1 - Tue, Sep 15
Emirates Logo
10:55 am - 11:25 am
IAD
-
DMK
37h 30m
1 stop
Emirates Logo
12:10 pm - 8:40 am
DMK
-
IAD
31h 30m
1 stop
$1,222Emirates
Sun, Sep 6 - Fri, Oct 16
Emirates Logo
10:55 am - 11:25 am
IAD
-
DMK
37h 30m
1 stop
Emirates Logo
11:50 pm - 8:40 am
DMK
-
IAD
43h 50m
1 stop
$1,223Emirates
Mon, Aug 31 - Sun, Sep 13

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

Our best Emirates deals on Washington, D.C. to Bangkok Don Mueang Intl Airport flight tickets
Emirates
Aug 23
IAD10:55 amWashington, D.C. Dulles Intl
37h 30m
1 stop
DMK11:25 amBangkok Don Mueang Intl
Sep 3
DMK11:50 pmBangkok Don Mueang Intl
43h 50m
1 stop
IAD8:40 amWashington, D.C. Dulles Intl
$1,172
Emirates
Aug 23
IAD10:55 amWashington, D.C. Dulles Intl
37h 30m
1 stop
DMK11:25 amBangkok Don Mueang Intl
Sep 3
DMK11:50 pmBangkok Don Mueang Intl
43h 50m
1 stop
IAD8:40 amWashington, D.C. Dulles Intl
$1,173
Emirates
Aug 9
IAD10:55 amWashington, D.C. Dulles Intl
37h 30m
1 stop
DMK11:25 amBangkok Don Mueang Intl
Sep 3
DMK11:50 pmBangkok Don Mueang Intl
43h 50m
1 stop
IAD8:40 amWashington, D.C. Dulles Intl
$1,174

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Bangkok Don Mueang Intl Airport 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 June 7, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Bangkok Don Mueang Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Bangkok

IAD - DMK

IADDMK

Washington, D.C. Dulles Intl

Wed 9/23

10:55 am-8:45 pm

1 stop22h 50m

Bangkok Don Mueang Intl

Mon 9/28

11:50 pm-8:40 am

1 stop43h 50m

$1,172

Washington, D.C.Bangkok

IAD - DMK

IADDMK

Washington, D.C. Dulles Intl

Sun 8/23

10:55 am-11:25 am

1 stop37h 30m

Bangkok Don Mueang Intl

Thu 9/3

11:50 pm-8:40 am

1 stop43h 50m

$1,173

Washington, D.C.Bangkok

IAD - DMK

IADDMK

Washington, D.C. Dulles Intl

Sun 8/9

10:55 am-11:25 am

1 stop37h 30m

Bangkok Don Mueang Intl

Thu 9/3

11:50 pm-8:40 am

1 stop43h 50m

$1,174

Washington, D.C.Bangkok

IAD - DMK

IADDMK

Washington, D.C. Dulles Intl

Wed 8/26

10:55 am-11:25 am

1 stop37h 30m

Bangkok Don Mueang Intl

Wed 10/28

11:00 am-9:00 am

1 stop33h 00m

$1,176

Washington, D.C.Bangkok

IAD - DMK

IADDMK

Washington, D.C. Dulles Intl

Mon 10/12

9:00 pm-11:05 am

2 stops27h 05m

Bangkok Don Mueang Intl

Tue 10/20

6:00 pm-3:40 pm

2 stops56h 40m

$1,186

Washington, D.C.Bangkok

IAD - DMK

IADDMK

Washington, D.C. Dulles Intl

Sun 9/13

9:00 pm-12:40 pm

2 stops28h 40m

Bangkok Don Mueang Intl

Wed 9/30

1:45 pm-8:55 am

2 stops54h 10m

$1,187

Washington, D.C.Bangkok

IAD - DMK

IADDMK

Washington, D.C. Dulles Intl

Sun 8/23

10:55 am-11:25 am

1 stop37h 30m

Bangkok Don Mueang Intl

Mon 8/31

11:50 pm-8:40 am

1 stop43h 50m

$1,188
Quickest round-trip

Washington, D.C.Bangkok

IAD - DMK

IADDMK

Washington, D.C. Dulles Intl

Tue 9/1

9:00 pm-12:40 pm

2 stops28h 40m

Bangkok Don Mueang Intl

Tue 9/15

9:15 am-8:45 am

2 stops34h 30m

$1,215

Washington, D.C.Bangkok

IAD - DMK

IADDMK

Washington, D.C. Dulles Intl

Sun 9/6

10:55 am-11:25 am

1 stop37h 30m

Bangkok Don Mueang Intl

Fri 10/16

12:10 pm-8:40 am

1 stop31h 30m

$1,222

Washington, D.C.Bangkok

IAD - DMK

IADDMK

Washington, D.C. Dulles Intl

Mon 8/31

10:55 am-11:25 am

1 stop37h 30m

Bangkok Don Mueang Intl

Sun 9/13

11:50 pm-8:40 am

1 stop43h 50m

$1,223

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Washington, D.C. to Bangkok Don Mueang Intl Airport

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 airline that flies from Washington, D.C. to Bangkok Don Mueang Intl?

Emirates is the most popular carrier operating from Washington, D.C. to Bangkok Don Mueang Intl

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

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

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

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

Fastest flight time

21h 45m

Direct flights

None
The fastest flight from Washington, D.C. to Bangkok Don Mueang Intl Airport takes 21h 45m
There are no direct flights from Washington, D.C. to Bangkok Don Mueang Intl Airport. There are no popular flight routes from Washington, D.C. to Bangkok Don Mueang Intl Airport.
Search flight deals

Frequently asked questions about flying from Washington, D.C. to Bangkok Don Mueang Intl Airport

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

    There are 8778.0 mi between Washington, D.C. and Bangkok Don Mueang Intl. A reasonable flight in good conditions will take 21h 45m.

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

    Prices for flights from Washington, D.C. to Bangkok Don Mueang Intl Airport refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Bangkok Don Mueang Intl Airport.

  • What documentation or ID do you need to fly to Bangkok Don Mueang Intl Airport?

    The travel and health documents you'll need for your trip to Bangkok Don Mueang Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bangkok Don Mueang Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

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

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

Yes. All flights to Bangkok from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Washington, D.C. to Bangkok flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Bangkok, momondo offers a useful price alert feature which will track prices for flights to Bangkok from Washington, D.C. and alert you when they change.

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