HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$654+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — IAD
mai 28 — juin 41
jeu. 5/28
jeu. 6/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chiang Mai to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 avril 28, 2026.

This Trip.com deal was found by Cheapflights users on 4/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 6/1010:20 pm
CNX
-
IAD
2 stops28h 20m
Multiple Airlines
ven. 8/146:50 pm
IAD
-
CNX
2 stops39h 00m
Multiple Airlines
Deal found 4/24$1,076
This oojo deal was found by Cheapflights users on 4/24. 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.
lun. 10/1211:20 am
CNX
-
IAD
2 stops31h 08m
China Airlines
jeu. 10/295:38 pm
IAD
-
CNX
2 stops29h 47m
China Airlines
Deal found 4/24$1,111
This oojo deal was found by Cheapflights users on 4/28. 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.
mar. 5/265:20 pm
CNX
-
IAD
2 stops49h 14m
STARLUX Airlines
mar. 6/25:35 pm
IAD
-
CNX
2 stops35h 45m
STARLUX Airlines
Deal found 4/28$1,274
This FlightHub deal was found by Cheapflights users on 4/27. 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.
mar. 5/268:00 pm
CNX
-
IAD
2 stops33h 20m
Multiple Airlines
mar. 6/29:00 pm
IAD
-
CNX
2 stops36h 30m
Multiple Airlines
Deal found 4/27$1,344
This Gotogate deal was found by Cheapflights users on 4/23. 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.
jeu. 5/710:10 am
CNX
-
IAD
2 stops43h 10m
Multiple Airlines
dim. 5/109:00 pm
IAD
-
CNX
2 stops32h 15m
Multiple Airlines
Deal found 4/23$1,348
This Justfly.com deal was found by Cheapflights users on 4/24. 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.
lun. 10/1211:35 am
CNX
-
IAD
1 stop21h 25m
Multiple Airlines
jeu. 10/295:38 pm
IAD
-
CNX
2 stops29h 57m
Multiple Airlines
Deal found 4/24$1,353
This FlightHub deal was found by Cheapflights users on 4/24. 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.
lun. 9/148:00 pm
CNX
-
IAD
2 stops47h 45m
Qatar Airways
mer. 9/3011:05 am
IAD
-
CNX
2 stops35h 15m
Qatar Airways
Deal found 4/24$1,368
This oojo deal was found by Cheapflights users on 4/24. 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.
lun. 10/1211:35 am
CNX
-
IAD
1 stop21h 25m
EVA Air
mer. 10/281:15 am
IAD
-
CNX
1 stop22h 20m
EVA Air
Deal found 4/24$1,396
This Qatar Airways deal was found by Cheapflights users on 4/23. 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.
jeu. 9/38:00 pm
CNX
-
IAD
2 stops47h 45m
Qatar Airways
lun. 9/79:00 pm
IAD
-
CNX
2 stops29h 45m
Qatar Airways
Deal found 4/23$1,461
This Trip.com deal was found by Cheapflights users on 4/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 6/710:20 pm
CNX
-
IAD
2 stops53h 25m
Multiple Airlines
dim. 6/1410:20 pm
IAD
-
CNX
2 stops32h 35m
Multiple Airlines
Deal found 4/23$1,464

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 avril 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,076
(Trip.com)

One-way from

$654
(FlightHub)
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 avril 28, 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

mar. 5/26

5:20 pm-7:34 am

2 stops49h 14m

Washington, D.C. Dulles Intl

mar. 6/2

5:35 pm-4:20 pm

2 stops35h 45m

$1,274

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

mar. 5/26

8:00 pm-6:20 pm

2 stops33h 20m

Washington, D.C. Dulles Intl

mar. 6/2

9:00 pm-2:50 pm

2 stops30h 50m

$1,439

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

jeu. 9/3

8:00 pm-8:45 am

2 stops47h 45m

Washington, D.C. Dulles Intl

lun. 9/7

9:00 pm-1:45 pm

2 stops29h 45m

$1,461

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

mer. 8/12

11:55 am-8:45 am

2 stops31h 50m

Washington, D.C. Dulles Intl

lun. 9/14

9:00 pm-11:15 am

2 stops27h 15m

$1,563

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

mar. 8/11

8:00 pm-8:45 am

2 stops47h 45m

Washington, D.C. Dulles Intl

jeu. 9/17

9:00 pm-11:15 am

2 stops27h 15m

$1,566

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

jeu. 8/20

8:00 pm-3:40 pm

2 stops54h 40m

Washington, D.C. Dulles Intl

mar. 9/15

9:00 pm-7:10 pm

2 stops35h 10m

$1,581

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

lun. 8/17

8:00 pm-3:40 pm

2 stops54h 40m

Washington, D.C. Dulles Intl

mar. 9/15

9:00 pm-9:20 am

2 stops25h 20m

$1,587
Quickest round-trip

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

mer. 8/12

8:00 pm-3:40 pm

2 stops30h 40m

Washington, D.C. Dulles Intl

ven. 9/18

9:00 pm-9:20 am

2 stops25h 20m

$1,588

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

mer. 8/12

8:00 pm-3:40 pm

2 stops30h 40m

Washington, D.C. Dulles Intl

dim. 9/13

9:00 pm-9:20 am

2 stops25h 20m

$1,588

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

mer. 8/12

8:00 pm-3:40 pm

2 stops30h 40m

Washington, D.C. Dulles Intl

sam. 9/19

9:00 pm-9:20 am

2 stops25h 20m

$1,588

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 17 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 STARLUX Airlines and Qatar Airways fly from Chiang Mai to Washington, D.C. Dulles Intl Airport in about 47h 45m. The time it takes to get you to your destination can typically vary by up to 1h 29m. 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
Tysons
Owings Mills
Springfield
Arlington
Silver Spring
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Woodbridge
Hanover
Laurel
Largo
Upper Marlboro
Waldorf
Clinton
Hunt Valley
Cordova

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 Baltimore flights
Chiang Mai to Baltimore flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.