In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What is the cheapest time of day to fly from DMK to WAS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bangkok Don Mueang Intl Airport to Washington, D.C. as you normally would.

Most accurate provider : When it comes to deals on Bangkok Don Mueang Intl Airport-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bangkok Don Mueang Intl Airport-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bangkok Don Mueang Intl Airport-Washington, D.C. flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Bangkok Don Mueang Intl Airport-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bangkok Don Mueang Intl Airport-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Don Mueang Intl to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Don Mueang Intl to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Don Mueang Intl to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Don Mueang Intl to Washington, D.C..

Can I find deals for business class flights from Don Mueang Intl to Washington, D.C.?

Yes. Cheapflights offers flight deals from Don Mueang Intl to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$611+ Flights from Bangkok Don Mueang Intl Airport to Washington, D.C.

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Cheap flight deals from Don Mueang Intl to Washington, D.C.

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 1 star
Round-trip from	$1,003 (Mytrip)
One-way from	$611 (Kiwi.com)
Popular in	August
Cheapest in	July
Average price	$1,072

Provider with most accurate pricing for Bangkok Don Mueang Intl-Washington, D.C. (WAS) flight deals.

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Provider most trusted by Cheapflights users for Bangkok Don Mueang Intl-Washington, D.C. (WAS) flights.

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From Bangkok Don Mueang Intl to Washington, D.C. (WAS)

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One-way flight from Bangkok Don Mueang Intl to Washington, D.C. (WAS)

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Highest demand for flights based on searches. 4% potential increase in price ($55 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).

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Average for round-trip flights in October 2025

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Find flight deals from Don Mueang Intl to Washington, D.C.

Cheapest flights from Don Mueang Intl to Washington, D.C.
Explore the most affordable flight options available from Don Mueang Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 28, 2025.

lun. 11/247:55 pmDMK - IAD

3 stops35h 25mMultiple Airlines

mié. 12/179:00 amIAD - DMK

3 stops32h 35mMultiple Airlines

Deal found 10/26

$1,862

lun. 11/102:20 pmDMK - IAD

2 stops37h 35mMultiple Airlines

lun. 11/178:05 pmIAD - DMK

2 stops28h 25mMultiple Airlines

Deal found 10/26

$1,892

sáb. 11/17:55 pmDMK - IAD

3 stops35h 25mMultiple Airlines

vie. 12/1910:30 amIAD - DMK

2 stops29h 55mMultiple Airlines

Deal found 10/27

$2,758

Best flights from Don Mueang Intl to Washington, D.C.
Discover carefully curated flight deals from Don Mueang Intl to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated octubre 28, 2025.

mié. 4/11:40 pmDMK - IAD

2 stops31h 05mMultiple Airlines

dom. 4/123:35 pmIAD - DMK

2 stops26h 05mMultiple Airlines

Deal found 10/26

$1,003

mié. 3/251:40 pmDMK - IAD

2 stops31h 25mMultiple Airlines

mar. 5/123:35 pmIAD - DMK

2 stops25h 50mMultiple Airlines

Deal found 10/28

$1,088

mié. 3/181:40 pmDMK - IAD

2 stops31h 25mMultiple Airlines

mar. 5/123:35 pmIAD - DMK

2 stops25h 50mMultiple Airlines

Deal found 10/28

$1,123

lun. 3/231:40 pmDMK - IAD

2 stops31h 25mMultiple Airlines

mar. 5/123:35 pmIAD - DMK

2 stops25h 50mMultiple Airlines

Deal found 10/28

$1,214

lun. 3/301:40 pmDMK - IAD

2 stops30h 00mMultiple Airlines

jue. 5/143:35 pmIAD - DMK

2 stops25h 55mMultiple Airlines

Deal found 10/28

$1,372

lun. 11/247:55 pmDMK - IAD

3 stops35h 25mMultiple Airlines

mié. 12/179:00 amIAD - DMK

3 stops32h 35mMultiple Airlines

Deal found 10/26

$1,862

lun. 11/102:20 pmDMK - IAD

2 stops37h 35mMultiple Airlines

lun. 11/178:05 pmIAD - DMK

2 stops28h 25mMultiple Airlines

Deal found 10/26

$1,892

lun. 2/911:45 amDMK - IAD

2 stops36h 00mMultiple Airlines

lun. 2/239:00 amIAD - DMK

3 stops28h 30mMultiple Airlines

Deal found 10/28

$2,476

Last-minute flights from Don Mueang Intl to Washington, D.C.
Discover last-minute flight deals from Don Mueang Intl to Washington, D.C.. Data last updated octubre 28, 2025 and is based on user searches.

sáb. 11/17:55 pmDMK - IAD

3 stops35h 25mMultiple Airlines

vie. 12/1910:30 amIAD - DMK

2 stops29h 55mMultiple Airlines

Deal found 10/27

$2,758

lun. 11/102:20 pmDMK - IAD

2 stops37h 35mMultiple Airlines

lun. 11/178:05 pmIAD - DMK

2 stops28h 25mMultiple Airlines

Deal found 10/26

$1,892

lun. 11/247:55 pmDMK - IAD

3 stops35h 25mMultiple Airlines

mié. 12/179:00 amIAD - DMK

3 stops32h 35mMultiple Airlines

Deal found 10/26

$1,862

One-way flights from Don Mueang Intl to Washington, D.C.
Search for one-way flight options from Don Mueang Intl to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated octubre 28, 2025.

mié. 12/108:55 pmDMK - IAD

3 stops38h 15mMultiple Airlines

Deal found 10/27

$611

vie. 11/712:30 amDMK - IAD

3 stops35h 25mMultiple Airlines

Deal found 10/26

$625

dom. 3/86:45 amDMK - IAD

3 stops38h 20mMultiple Airlines

Deal found 10/28

$632

dom. 2/1511:00 pmDMK - IAD

3 stops46h 05mMultiple Airlines

Deal found 10/26

$637

jue. 12/254:50 pmDMK - IAD

2 stops59h 05mMultiple Airlines

Deal found 10/27

$641

dom. 11/308:10 pmDMK - IAD

3 stops54h 19mMultiple Airlines

Deal found 10/28

$642

mié. 1/2112:30 amDMK - IAD

3 stops43h 50mMultiple Airlines

Deal found 10/26

$650

mar. 11/252:35 amDMK - IAD

3 stops45h 04mMultiple Airlines

Deal found 10/27

$652

jue. 2/267:55 pmDMK - IAD

3 stops35h 25mMultiple Airlines

Deal found 10/26

$657

dom. 11/22:30 amDMK - IAD

2 stops39h 53mMultiple Airlines

Deal found 10/25

$660

sáb. 11/223:10 amDMK - IAD

2 stops42h 00mMultiple Airlines

Deal found 10/28

$672

dom. 4/262:30 amDMK - IAD

2 stops38h 19mMultiple Airlines

Deal found 10/27

$673

Cheapflights Fare Finder

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

mié. 4/1

1:40 pm-9:45 am

2 stops31h 05m

Washington, D.C. Dulles Intl

dom. 4/12

3:35 pm-4:40 am

2 stops26h 05m

$1,003

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

mié. 3/25

1:40 pm-10:05 am

2 stops31h 25m

Washington, D.C. Dulles Intl

mar. 5/12

3:35 pm-4:25 am

2 stops25h 50m

$1,088

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

mié. 3/18

1:40 pm-10:05 am

2 stops31h 25m

Washington, D.C. Dulles Intl

mar. 5/12

3:35 pm-4:25 am

2 stops25h 50m

$1,123

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

lun. 3/23

1:40 pm-10:05 am

2 stops31h 25m

Washington, D.C. Dulles Intl

mar. 5/12

3:35 pm-4:25 am

2 stops25h 50m

$1,214

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

lun. 3/30

1:40 pm-8:40 am

2 stops30h 00m

Washington, D.C. Dulles Intl

jue. 5/14

3:35 pm-4:30 am

2 stops25h 55m

$1,372

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

lun. 11/24

7:55 pm-7:20 pm

3 stops35h 25m

Washington, D.C. Dulles Intl

mié. 12/17

9:00 am-5:35 am

3 stops32h 35m

$1,862

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

lun. 11/10

2:20 pm-3:55 pm

2 stops37h 35m

Washington, D.C. Dulles Intl

lun. 11/17

8:05 pm-12:30 pm

2 stops28h 25m

$1,892

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

lun. 2/9

11:45 am-11:45 am

2 stops36h 00m

Washington, D.C. Dulles Intl

lun. 2/23

9:00 am-1:30 am

3 stops28h 30m

$2,476

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

mié. 12/10

8:55 pm-11:10 pm

3 stops38h 15m

$611

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

dom. 3/8

6:45 am-9:05 am

3 stops38h 20m

$632

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 20 results

Most accurate provider: When it comes to deals on Bangkok Don Mueang Intl Airport-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bangkok Don Mueang Intl Airport-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bangkok Don Mueang Intl Airport-Washington, D.C. flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Bangkok Don Mueang Intl Airport-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bangkok Don Mueang Intl Airport-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Don Mueang Intl to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Don Mueang Intl with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Bangkok Don Mueang Intl Airport to Washington, D.C.

No data available for this route at this time. Please check back soon.

Related info for your journey

Can I find deals for flights from Don Mueang Intl to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Don Mueang Intl to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Don Mueang Intl to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Don Mueang Intl to Washington, D.C..
Can I find deals for business class flights from Don Mueang Intl to Washington, D.C.?
Yes. Cheapflights offers flight deals from Don Mueang Intl to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$611+ Cheap flights from Don Mueang Intl (DMK) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Don Mueang Intl to Washington, D.C. with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Don Mueang Intl to Washington, D.C.

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Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Don Mueang Intl to Washington, D.C.

Cheapest flights from Don Mueang Intl to Washington, D.C.Explore the most affordable flight options available from Don Mueang Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 28, 2025.

Explore the most affordable flight options available from Don Mueang Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 28, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Bangkok Don Mueang Intl Airport to Washington, D.C. that are best for you.

Best time to book a flight from Don Mueang Intl to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Don Mueang Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Bangkok Don Mueang Intl Airport to Washington, D.C.

Related info for your journey

Find useful and relevant information for your journey from Don Mueang Intl to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from Don Mueang Intl to Washington, D.C. that include hotel bookings?

How can I find direct flights from Don Mueang Intl to Washington, D.C.?

Can I find deals for business class flights from Don Mueang Intl to Washington, D.C.?

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

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Alternative routes for Don Mueang Intl to Washington, D.C.

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Cheapest flights from Don Mueang Intl to Washington, D.C.
Explore the most affordable flight options available from Don Mueang Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 28, 2025.