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Dulles Intl

$674+ 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — IAD
Jun 13 — Jun 201
Sat 6/13
Sat 6/20
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 May 14, 2026.

This Justfly.com deal was found by Cheapflights users on 5/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:20 pm
CNX
-
IAD
2 stops49h 14m
Multiple Airlines
Tue 6/26:00 am
IAD
-
CNX
2 stops47h 20m
Multiple Airlines
Deal found 5/14$1,285
This Mytrip deal was found by Cheapflights users on 5/13. 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 6/84:55 pm
CNX
-
IAD
2 stops33h 10m
Lufthansa
Mon 7/2010:20 pm
IAD
-
CNX
2 stops33h 50m
Lufthansa
Deal found 5/13$1,486
This Qatar Airways deal was found by Cheapflights users on 5/13. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/82:35 pm
CNX
-
IAD
2 stops38h 45m
Multiple Airlines
Mon 7/209:00 pm
IAD
-
CNX
2 stops35h 10m
Multiple Airlines
Deal found 5/13$1,625
This Emirates deal was found by Cheapflights users on 5/10. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/242:35 pm
CNX
-
IAD
2 stops53h 05m
Emirates
Wed 7/110:55 am
IAD
-
CNX
2 stops45h 15m
Emirates
Deal found 5/10$1,709
This SWISS deal was found by Cheapflights users on 5/13. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/88:00 pm
CNX
-
IAD
3 stops53h 00m
SWISS
Mon 7/205:40 pm
IAD
-
CNX
2 stops33h 05m
SWISS
Deal found 5/13$1,815

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 May 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,224
(Orbitz)

One-way from

$674
(Kiwi.com)
Provider with most accurate pricing for Chiang Mai-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Chiang Mai-Washington, D.C. Dulles Intl flights.
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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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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 May 14, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 5/26

5:20 pm-7:34 am

2 stops49h 14m

Washington, D.C. Dulles Intl

Tue 6/2

6:00 am-4:20 pm

2 stops47h 20m

$1,285

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Mon 6/8

4:55 pm-3:05 pm

2 stops33h 10m

Washington, D.C. Dulles Intl

Mon 7/20

10:20 pm-7:10 pm

2 stops33h 50m

$1,486

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Mon 6/8

2:35 pm-6:20 pm

2 stops38h 45m

Washington, D.C. Dulles Intl

Mon 7/20

9:00 pm-7:10 pm

2 stops35h 10m

$1,625

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Wed 6/24

2:35 pm-8:40 am

2 stops53h 05m

Washington, D.C. Dulles Intl

Wed 7/1

10:55 am-7:10 pm

2 stops45h 15m

$1,709
Quickest round-trip

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 5/26

9:45 pm-11:15 am

1 stop24h 30m

Washington, D.C. Dulles Intl

Tue 6/2

8:05 am-8:45 pm

2 stops25h 40m

$3,302
Cheapest one-way

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 6/9

5:20 pm-8:25 am

3 stops50h 05m

$674
Quickest one-way

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Sat 6/6

5:20 pm-10:12 am

3 stops27h 52m

$767

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 6/11

7:00 am-11:35 am

2 stops39h 35m

$828

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Mon 6/15

8:00 pm-3:40 pm

2 stops30h 40m

$840

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Fri 6/5

8:00 pm-6:20 pm

2 stops33h 20m

$852

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Showing 1-10 of 11 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Chiang Mai-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chiang Mai-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >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 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 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 Lufthansa fly from Chiang Mai to Washington, D.C. Dulles Intl Airport in about 33h 10m. The time it takes to get you to your destination can typically vary by up to . The distance from Chiang Mai to Washington, D.C. Dulles Intl Airport is about 8436 mi.

  • 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
Tysons
Owings Mills
Springfield
Arlington
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Silver Spring
Hanover
Laurel
Woodbridge
Waldorf
Largo
Clinton
Hunt Valley
Cordova
Reston

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