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Dulles Intl

$525+ Cheap flights from Chiang Mai (CNX) to Dulles Intl (IAD)

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — IAD
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
1 adult, Economy
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Cheap flight deals from Chiang Mai to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Chiang Mai (CNX) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 16, 2025.

Round-trip from

$1,202
(oojo)

One-way from

$525
(Kiwi.com)
From Chiang Mai to Washington, D.C. Dulles Intl
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One-way flight from Chiang Mai to Washington, D.C. Dulles Intl
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Find flight deals from Chiang Mai to Dulles Intl

Cheapest flights from Chiang Mai to Dulles Intl
Explore the most affordable flight options available from Chiang Mai to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2025.

This oojo deal was found by Cheapflights users on 8/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2811:20 amCNX - IAD
2 stops31h 13mChina Airlines
Sun 10/56:25 amIAD - CNX
2 stops40h 55mChina Airlines
Deal found 8/14$1,202
This Expedia deal was found by Cheapflights users on 8/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/511:35 amCNX - IAD
2 stops30h 58mMultiple Airlines
Mon 12/86:55 pmIAD - CNX
2 stops27h 40mMultiple Airlines
Deal found 8/16$1,219
This Delta deal was found by Cheapflights users on 8/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/311:15 pmCNX - IAD
2 stops29h 19mDelta
Thu 12/46:00 amIAD - CNX
2 stops29h 05mDelta
Deal found 8/16$1,223
This Delta deal was found by Cheapflights users on 8/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/111:15 pmCNX - IAD
2 stops35h 11mDelta
Sun 12/77:00 amIAD - CNX
2 stops28h 05mDelta
Deal found 8/15$1,224
This Air China deal was found by Cheapflights users on 8/14. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1811:05 pmCNX - IAD
1 stop31h 25mAir China
Fri 1/210:00 pmIAD - CNX
1 stop35h 50mAir China
Deal found 8/14$1,227
This Expedia deal was found by Cheapflights users on 8/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/311:15 pmCNX - IAD
1 stop22h 40mKorean Air
Thu 12/411:50 amIAD - CNX
1 stop23h 15mKorean Air
Deal found 8/15$1,278
This Air China deal was found by Cheapflights users on 8/15. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/411:05 pmCNX - IAD
1 stop31h 25mAir China
Tue 12/210:00 pmIAD - CNX
1 stop35h 50mAir China
Deal found 8/15$1,281
This Korean Air deal was found by Cheapflights users on 8/15. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/311:15 pmCNX - IAD
1 stop22h 40mKorean Air
Tue 12/211:50 amIAD - CNX
1 stop23h 15mKorean Air
Deal found 8/15$1,284
This Delta deal was found by Cheapflights users on 8/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/611:15 pmCNX - IAD
2 stops35h 11mDelta
Thu 12/46:00 amIAD - CNX
2 stops29h 05mDelta
Deal found 8/16$1,315
This Delta deal was found by Cheapflights users on 8/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/611:15 pmCNX - IAD
2 stops35h 25mDelta
Tue 12/27:00 amIAD - CNX
2 stops28h 05mDelta
Deal found 8/15$1,317
This Delta deal was found by Cheapflights users on 8/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1712:15 amCNX - IAD
2 stops35h 00mDelta
Fri 1/27:00 amIAD - CNX
2 stops28h 05mDelta
Deal found 8/15$1,333

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chiang Mai to Dulles Intl 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 August 16, 2025.
Use the filters below to find and compare flights from Chiang Mai to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Chiang Mai

Fly to

Dulles Intl

Route

Depart

Return

Price

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Sun 9/28

11:20 am-7:33 am

2 stops31h 13m

Washington, D.C. Dulles Intl

Sun 10/5

6:25 am-10:20 am

2 stops40h 55m

$1,202

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Fri 9/5

11:35 am-7:33 am

2 stops30h 58m

Washington, D.C. Dulles Intl

Mon 12/8

6:55 pm-10:35 am

2 stops27h 40m

$1,219

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Wed 9/3

11:15 pm-5:34 pm

2 stops29h 19m

Washington, D.C. Dulles Intl

Mon 12/8

6:10 am-11:05 pm

2 stops28h 55m

$1,223

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Wed 9/3

11:15 pm-11:21 pm

2 stops35h 06m

Washington, D.C. Dulles Intl

Sun 12/7

7:00 am-11:05 pm

2 stops28h 05m

$1,223

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Wed 9/3

11:15 pm-5:34 pm

2 stops29h 19m

Washington, D.C. Dulles Intl

Thu 12/4

6:00 am-11:05 pm

2 stops29h 05m

$1,223

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Mon 9/1

11:15 pm-11:26 pm

2 stops35h 11m

Washington, D.C. Dulles Intl

Sun 12/7

7:00 am-11:05 pm

2 stops28h 05m

$1,224

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Wed 9/3

11:15 pm-5:34 pm

2 stops29h 19m

Washington, D.C. Dulles Intl

Tue 12/2

6:00 am-11:05 pm

2 stops29h 05m

$1,224

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Mon 9/1

11:15 pm-11:21 pm

2 stops35h 06m

Washington, D.C. Dulles Intl

Mon 12/1

7:00 am-11:05 pm

2 stops28h 05m

$1,224

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Mon 9/1

11:15 pm-11:21 pm

2 stops35h 06m

Washington, D.C. Dulles Intl

Tue 12/2

6:10 am-11:05 pm

2 stops28h 55m

$1,224

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Mon 9/1

11:15 pm-11:40 pm

2 stops35h 25m

Washington, D.C. Dulles Intl

Thu 12/4

6:00 am-11:05 pm

2 stops29h 05m

$1,224

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 18 results
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Best time to book a flight from Chiang Mai to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Chiang Mai 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.

Related info for your journey

Find useful and relevant information for your journey from Chiang Mai to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Chiang Mai to Washington, D.C. Dulles Intl?

    If you book a flight to Washington, D.C. Dulles Intl from Chiang Mai, you will be flying from Chiang Mai, which is the city’s only airport. Chiang Mai (CNX) is located 1.9 mi from the center of Chiang Mai. There are 0 flights from Chiang Mai to Washington, D.C. Dulles Intl per day from 0 different airlines.

  • Can I find deals for flights from Chiang Mai to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Chiang Mai to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chiang Mai to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chiang Mai to Dulles Intl.

  • Can I find deals for business class flights from Chiang Mai to Dulles Intl?

    Yes. Cheapflights offers flight deals from Chiang Mai to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chiang Mai to Washington, D.C. Dulles Intl Airport?

    Currently, July is the cheapest month in which you can book a flight from Chiang Mai to Washington, D.C. Dulles Intl Airport (average of $302). Flying from Chiang Mai to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Fairfax
Manassas
Falls Church
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Waldorf
Bowie

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Alternative routes for Chiang Mai to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Suvarnabhumi to Dulles Intl flights
Suvarnabhumi to Reagan-National flights
Suvarnabhumi to Baltimore flights
Chiang Mai to Baltimore flights
Chiang Mai to Reagan-National flights

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