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$428+ Cheap flights from Don Mueang Intl (DMK) to Washington

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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
DMK — SEA
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
1 adult, Economy
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Find flight deals from Don Mueang Intl to Washington

Cheapest flights from Don Mueang Intl to Washington
Explore the most affordable flight options available from Don Mueang Intl to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2025.

This Mytrip deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:55 amDMK - SEA
2 stops26h 15mMultiple Airlines
Sun 12/1412:10 amSEA - DMK
2 stops31h 30mMultiple Airlines
Deal found 11/8$1,232
This Kiwi.com deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/113:10 amDMK - SEA
2 stops22h 30mMultiple Airlines
Wed 11/1911:15 amSEA - DMK
1 stop37h 15mMultiple Airlines
Deal found 11/8$1,272
This Kiwi.com deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:15 amDMK - SEA
1 stop16h 50mMultiple Airlines
Tue 12/1611:24 amSEA - DMK
2 stops37h 06mMultiple Airlines
Deal found 11/9$1,640

Cheap flight deals from Don Mueang Intl to Washington

Keep the following information in mind while searching for Don Mueang Intl to Washington flight deals. Data was last updated November 10, 2025.

Round-trip from

$1,097
(Mytrip)

One-way from

$428
(Trip.com)

Popular in

July

Cheapest in

November

Average price

$806
From Bangkok Don Mueang Intl to Washington
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One-way flight from Bangkok Don Mueang Intl to Washington
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($96 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Don Mueang Intl to Washington 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, Cheapflights users made 2,558,603 searches. Data last updated November 10, 2025.
Use the filters below to find and compare flights from Bangkok Don Mueang Intl Airport to Washington that are best for you.

Fly from

Don Mueang Intl

Fly to

Washington

Route

Depart

Return

Price

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Tue 2/10

2:00 am-6:10 pm

2 stops31h 10m

Seattle/Tacoma Intl

Tue 2/17

12:10 am-8:15 pm

2 stops29h 05m

$1,173

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Tue 1/13

8:45 am-7:16 pm

2 stops25h 31m

Seattle/Tacoma Intl

Wed 1/21

12:30 pm-12:15 am

2 stops20h 45m

$1,189

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Sun 12/7

3:40 am-1:55 pm

1 stop25h 15m

Seattle/Tacoma Intl

Sun 12/14

12:10 am-3:30 pm

1 stop24h 20m

$1,297

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Tue 3/10

11:10 pm-4:05 pm

2 stops30h 55m

Seattle/Tacoma Intl

Wed 6/10

11:05 pm-11:25 am

1 stop22h 20m

$1,367

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Tue 3/31

6:25 am-10:10 am

1 stop17h 45m

Seattle/Tacoma Intl

Mon 4/20

11:50 am-9:45 pm

1 stop19h 55m

$1,577

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Thu 12/4

6:15 am-8:05 am

1 stop16h 50m

Seattle/Tacoma Intl

Tue 12/16

11:24 am-3:30 pm

2 stops37h 06m

$1,640

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Tue 12/9

2:35 am-2:24 pm

2 stops26h 49m

Seattle/Tacoma Intl

Tue 12/23

11:30 pm-7:30 pm

1 stop29h 00m

$1,726

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Wed 3/25

8:45 am-7:40 pm

2 stops24h 55m

$428

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Tue 3/24

9:20 am-7:40 pm

2 stops24h 20m

$458

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Wed 11/19

9:20 am-6:40 pm

2 stops24h 20m

$471

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 17 results
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Best time to book a flight from Don Mueang Intl to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington 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
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Don Mueang Intl to Washington. 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 that include hotel bookings?

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

  • How can I find direct flights from Don Mueang Intl to Washington?

    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.

  • Can I find deals for business class flights from Don Mueang Intl to Washington?

    Yes. Cheapflights offers flight deals from Don Mueang Intl to Washington 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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Alternative routes for Don Mueang Intl to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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