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Dulles Intl

$476+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — IAD
Apr 17 — Apr 241
Fri 4/17
Fri 4/24
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 March 18, 2026.

This oojo deal was found by Cheapflights users on 3/12. 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.
Wed 8/198:00 pm
CNX
-
IAD
2 stops61h 30m
EVA Air
Fri 9/185:38 pm
IAD
-
CNX
2 stops29h 47m
EVA Air
Deal found 3/12$1,225
This SmartFares deal was found by Cheapflights users on 3/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:35 am
CNX
-
IAD
1 stop21h 55m
Multiple Airlines
Fri 9/185:38 pm
IAD
-
CNX
2 stops29h 47m
Multiple Airlines
Deal found 3/12$1,226
This KAYAK deal was found by Cheapflights users on 3/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:35 am
CNX
-
IAD
1 stop21h 55m
Multiple Airlines
Sat 9/195:38 pm
IAD
-
CNX
2 stops29h 47m
Multiple Airlines
Deal found 3/12$1,235
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 8/202:10 pm
CNX
-
IAD
2 stops31h 40m
Multiple Airlines
Wed 9/161:20 pm
IAD
-
CNX
1 stop23h 30m
Multiple Airlines
Deal found 3/12$1,262
This KAYAK deal was found by Cheapflights users on 3/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2611:35 am
CNX
-
IAD
2 stops47h 24m
Multiple Airlines
Tue 6/26:00 am
IAD
-
CNX
2 stops41h 25m
Multiple Airlines
Deal found 3/13$1,263
This Gotogate deal was found by Cheapflights users on 3/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:10 pm
CNX
-
IAD
2 stops29h 55m
Multiple Airlines
Thu 5/711:00 am
IAD
-
CNX
2 stops34h 45m
Multiple Airlines
Deal found 3/17$1,274
This KAYAK deal was found by Cheapflights users on 3/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:25 am
CNX
-
IAD
2 stops24h 05m
Multiple Airlines
Thu 9/175:38 pm
IAD
-
CNX
2 stops29h 47m
Multiple Airlines
Deal found 3/12$1,294
This KAYAK deal was found by Cheapflights users on 3/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:35 am
CNX
-
IAD
2 stops30h 50m
Multiple Airlines
Thu 9/175:38 pm
IAD
-
CNX
2 stops29h 47m
Multiple Airlines
Deal found 3/12$1,314
This FlightHub deal was found by Cheapflights users on 3/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:00 pm
CNX
-
IAD
2 stops37h 30m
EVA Air
Wed 9/161:15 am
IAD
-
CNX
1 stop22h 10m
EVA Air
Deal found 3/12$1,331

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 March 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,225
(oojo)

One-way from

$476
(SmartFares)
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
Search Deals

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 March 18, 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

11:20 am-4:38 pm

2 stops40h 18m

Washington, D.C. Dulles Intl

Tue 6/2

6:00 am-10:20 am

2 stops41h 20m

$1,398

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Sat 8/22

8:00 pm-10:30 pm

2 stops61h 30m

Washington, D.C. Dulles Intl

Fri 9/18

1:15 am-9:20 am

2 stops45h 05m

$1,451

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Sat 8/22

8:00 pm-10:30 pm

2 stops61h 30m

Washington, D.C. Dulles Intl

Sat 9/19

1:15 am-7:10 pm

2 stops30h 55m

$1,451

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

5:35 pm-4:20 pm

2 stops35h 45m

$1,478

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 4/21

8:00 pm-8:40 am

2 stops47h 40m

Washington, D.C. Dulles Intl

Sat 4/25

10:55 am-7:10 pm

2 stops45h 15m

$1,573

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Sat 5/16

8:00 pm-8:40 am

2 stops47h 40m

Washington, D.C. Dulles Intl

Mon 6/22

10:55 am-9:20 am

2 stops35h 25m

$1,612

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Fri 5/15

2:35 pm-8:40 am

2 stops29h 05m

Washington, D.C. Dulles Intl

Sun 6/21

10:55 am-11:15 am

2 stops37h 20m

$1,660

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Mon 4/27

10:30 pm-7:25 pm

2 stops55h 55m

Washington, D.C. Dulles Intl

Wed 5/20

10:20 pm-11:15 pm

2 stops37h 55m

$1,691
Quickest round-trip

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Wed 8/19

8:00 pm-3:40 pm

2 stops30h 40m

Washington, D.C. Dulles Intl

Wed 9/16

9:00 pm-9:20 am

2 stops25h 20m

$1,708
Cheapest one-way

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Mon 5/11

11:05 pm-7:30 pm

1 stop31h 25m

$476

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/13

Showing 1-10 of 15 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 EVA Air, STARLUX Airlines, and Emirates fly from Chiang Mai to Washington, D.C. Dulles Intl Airport in about 47h 40m. The time it takes to get you to your destination can typically vary by up to 13h 50m. 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
Owings Mills
Arlington
Springfield
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Fredericksburg
Largo
Bowie
Clinton
Towson
College Park
Cordova

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