Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Washington, D.C. to Bangkok from $523

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 9/13. 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

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:05 am - 11:30 pmIAD  Washington, D.C. Dulles Intl-DMK Bangkok Don Mueang Intl
25h 25m2 stops Doha Hamad Intl Phuket City
Multiple Airlines Logo
4:50 pm - 8:45 amDMK  Bangkok Don Mueang Intl-IAD Washington, D.C. Dulles Intl
26h 55m2 stops Phuket City Doha Hamad Intl
$1,117Multiple Airlines
Thu, Aug 27 - Fri, Sep 11
Multiple Airlines Logo
11:05 am - 11:30 pmIAD  Washington, D.C. Dulles Intl-DMK Bangkok Don Mueang Intl
25h 25m2 stops Doha Hamad Intl Phuket City
Multiple Airlines Logo
4:50 pm - 8:45 amDMK  Bangkok Don Mueang Intl-IAD Washington, D.C. Dulles Intl
26h 55m2 stops Phuket City Doha Hamad Intl
$1,134Multiple Airlines
Thu, Aug 27 - Fri, Sep 11
Emirates Logo
10:55 am - 11:25 amIAD  Washington, D.C. Dulles Intl-DMK Bangkok Don Mueang Intl
37h 30m1 stop Dubai Intl
Emirates Logo
11:50 pm - 8:40 amDMK  Bangkok Don Mueang Intl-IAD Washington, D.C. Dulles Intl
43h 50m1 stop Dubai Intl
$1,165Emirates
Mon, Aug 31 - Tue, Sep 15
Emirates Logo
10:55 am - 8:45 pmIAD  Washington, D.C. Dulles Intl-DMK Bangkok Don Mueang Intl
22h 50m1 stop Dubai Intl
Emirates Logo
10:55 pm - 9:10 amDMK  Bangkok Don Mueang Intl-IAD Washington, D.C. Dulles Intl
45h 15m1 stop Dubai Intl
$1,165Emirates
Tue, Sep 15 - Fri, Oct 30
Emirates Logo
10:55 am - 12:30 pmIAD  Washington, D.C. Dulles Intl-DMK Bangkok Don Mueang Intl
38h 35m1 stop Dubai Intl
Emirates Logo
1:30 pm - 8:40 amDMK  Bangkok Don Mueang Intl-IAD Washington, D.C. Dulles Intl
30h 10m1 stop Dubai Intl
$1,165Emirates
Sun, Aug 23 - Tue, Sep 8
Emirates Logo
10:55 am - 12:30 pmIAD  Washington, D.C. Dulles Intl-DMK Bangkok Don Mueang Intl
38h 35m1 stop Dubai Intl
Emirates Logo
11:50 pm - 8:40 amDMK  Bangkok Don Mueang Intl-IAD Washington, D.C. Dulles Intl
43h 50m1 stop Dubai Intl
$1,165Emirates
Wed, Aug 19 - Thu, Sep 3
Emirates Logo
10:55 am - 12:30 pmIAD  Washington, D.C. Dulles Intl-DMK Bangkok Don Mueang Intl
38h 35m1 stop Dubai Intl
Emirates Logo
11:55 pm - 8:40 amDMK  Bangkok Don Mueang Intl-IAD Washington, D.C. Dulles Intl
43h 45m1 stop Dubai Intl
$1,165Emirates
Wed, Aug 26 - Wed, Sep 9
Emirates Logo
10:55 am - 12:30 pmIAD  Washington, D.C. Dulles Intl-DMK Bangkok Don Mueang Intl
38h 35m1 stop Dubai Intl
Emirates Logo
1:30 pm - 8:40 amDMK  Bangkok Don Mueang Intl-IAD Washington, D.C. Dulles Intl
30h 10m1 stop Dubai Intl
$1,165Emirates
Mon, Sep 7 - Mon, Sep 14
Emirates Logo
10:55 am - 12:30 pmIAD  Washington, D.C. Dulles Intl-DMK Bangkok Don Mueang Intl
38h 35m1 stop Dubai Intl
Emirates Logo
1:30 pm - 8:40 amDMK  Bangkok Don Mueang Intl-IAD Washington, D.C. Dulles Intl
30h 10m1 stop Dubai Intl
$1,166Emirates
Wed, Aug 19 - Tue, Sep 8
Emirates Logo
10:55 am - 8:45 pmIAD  Washington, D.C. Dulles Intl-DMK Bangkok Don Mueang Intl
22h 50m1 stop Dubai Intl
Emirates Logo
10:55 pm - 8:10 amDMK  Bangkok Don Mueang Intl-IAD Washington, D.C. Dulles Intl
45h 15m1 stop Dubai Intl
$1,166Emirates
Tue, Oct 20 - Thu, Nov 5

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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 19
IAD10:55 amWashington, D.C. Dulles Intl
38h 35m
1 stop
DMK12:30 pmBangkok Don Mueang Intl
Sep 3
DMK11:50 pmBangkok Don Mueang Intl
43h 50m
1 stop
IAD8:40 amWashington, D.C. Dulles Intl
$1,165
Emirates
Sep 2
IAD10:55 amWashington, D.C. Dulles Intl
38h 35m
1 stop
DMK12:30 pmBangkok Don Mueang Intl
Sep 30
DMK12:10 pmBangkok Don Mueang Intl
31h 30m
1 stop
IAD8:40 amWashington, D.C. Dulles Intl
$1,166
Emirates
Sep 13
IAD10:55 amWashington, D.C. Dulles Intl
37h 15m
1 stop
DMK11:10 amBangkok Don Mueang Intl
Oct 9
DMK12:10 pmBangkok Don Mueang Intl
31h 30m
1 stop
IAD8:40 amWashington, D.C. Dulles Intl
$1,167

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 August 6, 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
Quickest round-trip

Washington, D.C.Bangkok

IAD Washington, D.C. Dulles Intl - DMK Bangkok Don Mueang Intl

IADDMK

Washington, D.C. Dulles Intl

Thu 8/27

11:05 am-11:30 pm

2 stops25h 25m

Bangkok Don Mueang Intl

Fri 9/11

4:50 pm-8:45 am

2 stops26h 55m

$1,117

Washington, D.C.Bangkok

IAD Washington, D.C. Dulles Intl - DMK Bangkok Don Mueang Intl

IADDMK

Washington, D.C. Dulles Intl

Thu 8/27

11:05 am-11:30 pm

2 stops25h 25m

Bangkok Don Mueang Intl

Fri 9/11

4:50 pm-8:45 am

2 stops26h 55m

$1,134

Washington, D.C.Bangkok

IAD Washington, D.C. Dulles Intl - DMK Bangkok Don Mueang Intl

IADDMK

Washington, D.C. Dulles Intl

Mon 8/31

10:55 am-11:25 am

1 stop37h 30m

Bangkok Don Mueang Intl

Tue 9/15

11:50 pm-8:40 am

1 stop43h 50m

$1,165

Washington, D.C.Bangkok

IAD Washington, D.C. Dulles Intl - DMK Bangkok Don Mueang Intl

IADDMK

Washington, D.C. Dulles Intl

Tue 9/15

10:55 am-8:45 pm

1 stop22h 50m

Bangkok Don Mueang Intl

Fri 10/30

10:55 pm-9:10 am

1 stop45h 15m

$1,165

Washington, D.C.Bangkok

IAD Washington, D.C. Dulles Intl - DMK Bangkok Don Mueang Intl

IADDMK

Washington, D.C. Dulles Intl

Sun 8/23

10:55 am-12:30 pm

1 stop38h 35m

Bangkok Don Mueang Intl

Tue 9/8

1:30 pm-8:40 am

1 stop30h 10m

$1,165

Washington, D.C.Bangkok

IAD Washington, D.C. Dulles Intl - DMK Bangkok Don Mueang Intl

IADDMK

Washington, D.C. Dulles Intl

Wed 8/19

10:55 am-12:30 pm

1 stop38h 35m

Bangkok Don Mueang Intl

Thu 9/3

11:50 pm-8:40 am

1 stop43h 50m

$1,165

Washington, D.C.Bangkok

IAD Washington, D.C. Dulles Intl - DMK Bangkok Don Mueang Intl

IADDMK

Washington, D.C. Dulles Intl

Wed 8/26

10:55 am-12:30 pm

1 stop38h 35m

Bangkok Don Mueang Intl

Wed 9/9

11:55 pm-8:40 am

1 stop43h 45m

$1,165

Washington, D.C.Bangkok

IAD Washington, D.C. Dulles Intl - DMK Bangkok Don Mueang Intl

IADDMK

Washington, D.C. Dulles Intl

Mon 9/7

10:55 am-12:30 pm

1 stop38h 35m

Bangkok Don Mueang Intl

Mon 9/14

1:30 pm-8:40 am

1 stop30h 10m

$1,165

Washington, D.C.Bangkok

IAD Washington, D.C. Dulles Intl - DMK Bangkok Don Mueang Intl

IADDMK

Washington, D.C. Dulles Intl

Wed 8/19

10:55 am-12:30 pm

1 stop38h 35m

Bangkok Don Mueang Intl

Tue 9/8

1:30 pm-8:40 am

1 stop30h 10m

$1,166

Washington, D.C.Bangkok

IAD Washington, D.C. Dulles Intl - DMK Bangkok Don Mueang Intl

IADDMK

Washington, D.C. Dulles Intl

Tue 10/20

10:55 am-8:45 pm

1 stop22h 50m

Bangkok Don Mueang Intl

Thu 11/5

10:55 pm-8:10 am

1 stop45h 15m

$1,166

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Bangkok from

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.

An easier way to manage your Bangkok Don Mueang Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 9/5
Sat 9/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Bangkok

Popular cities in Thailand

Popular flights according to clicks in the last 7 days on momondo
Flights to Bangkok Suvarnabhumi Airport