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Dulles Intl

$623+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — IAD
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This Delta deal was found by Cheapflights users on 12/16. 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 12/1712:15 amCNX - IAD
2 stops35h 12mDelta
Fri 1/27:05 amIAD - CNX
2 stops27h 50mDelta
Deal found 12/16$1,561
This EaseMyTrip deal was found by Cheapflights users on 12/16. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/188:50 amCNX - IAD
1 stop36h 15mEtihad Airways
Fri 1/22:35 pmIAD - CNX
1 stop27h 35mEtihad Airways
Deal found 12/16$1,983

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,042
(FlightHub)

One-way from

$623
(Kiwi.com)
Provider with most accurate pricing for Chiang Mai-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chiang Mai-Washington, D.C. Dulles Intl flights.
Search Deals
From Chiang Mai to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Chiang Mai to Washington, D.C. Dulles Intl
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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 December 18, 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

Thu 1/15

12:05 pm-3:50 pm

2 stops63h 45m

Washington, D.C. Dulles Intl

Thu 1/22

6:00 pm-3:45 pm

2 stops33h 45m

$1,361

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 1/15

8:50 am-9:05 am

1 stop36h 15m

Washington, D.C. Dulles Intl

Thu 1/22

2:35 pm-6:10 am

1 stop27h 35m

$1,580

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Sat 1/31

9:40 pm-8:10 am

2 stops46h 30m

Washington, D.C. Dulles Intl

Sat 2/7

10:30 am-9:25 am

2 stops58h 55m

$1,648

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 1/15

10:10 am-4:40 pm

2 stops42h 30m

Washington, D.C. Dulles Intl

Thu 1/22

10:15 pm-1:45 pm

3 stops27h 30m

$1,781

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 1/20

10:35 am-4:26 pm

3 stops41h 51m

$623

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Mon 1/12

11:05 pm-6:30 pm

1 stop31h 25m

$707

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Wed 2/18

9:40 pm-3:55 pm

2 stops30h 15m

$792

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 3/10

12:10 pm-9:20 am

2 stops32h 10m

$795

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Mon 1/12

7:40 pm-4:26 pm

3 stops56h 46m

$811

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Fri 1/30

9:40 pm-3:55 pm

2 stops30h 15m

$817

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 11 results
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Compare providers for flights from Chiang Mai to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chiang Mai to Dulles Intl in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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

  • How long is the flight from Chiang Mai to Washington, D.C. Dulles Intl Airport?

    Airlines like Etihad Airways, Emirates, and SWISS fly from Chiang Mai to Washington, D.C. Dulles Intl Airport in about 36h 15m. The time it takes to get you to your destination can typically vary by up to 10h 15m. The distance from Chiang Mai to Washington, D.C. Dulles Intl Airport is about 8436 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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.

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
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Bowie
Largo
McLean
Clinton
Cordova

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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.
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