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Chiang Mai

$380+ Cheap flights from Dulles Intl (IAD) to Chiang Mai (CNX)

IAD — CNX
Nov 29 — Dec 61
Sun 11/29
Sun 12/6
1 adult, Economy
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Cheap flight deals from Dulles Intl to Chiang Mai

Cheapest flights from Dulles Intl to Chiang Mai

Mon 12/72:25 pm -
2 stops41h 45m
Fri 12/1812:30 pm -
2 stops32h 30m
Deal found 10/25$1,014
Mon 11/2311:55 pm -
1 stop22h 40m
Thu 12/39:10 am -
1 stop35h 50m
Deal found 10/28$1,024
Mon 12/72:25 pm -
2 stops38h 20m
Mon 2/83:15 pm -
2 stops29h 45m
Deal found 10/29$1,059
Sun 12/62:25 pm -
2 stops44h 20m
Sat 12/196:35 am -
2 stops38h 25m
Deal found 10/25$1,071
Mon 11/98:50 pm -
3 stops34h 10m
Mon 11/237:45 pm -
3 stops48h 15m
Deal found 10/29$1,125
Wed 11/411:35 pm -
1 stop33h 05m
Mon 11/239:10 am -
1 stop35h 50m
Deal found 10/29$1,142
Wed 12/911:35 pm -
2 stops59h 10m
Wed 12/168:55 pm -
1 stop24h 05m
Deal found 10/25$1,150

Find flight deals from Dulles Intl to Chiang Mai

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$890
(Korean Air)

One-way from

$380
(Kiwi.com)

Popular in

June

Cheapest in

May

Average price

$1,040
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Chiang Mai flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Chiang Mai flights.
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From Washington, D.C. Dulles Intl to Chiang Mai
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One-way flight from Washington, D.C. Dulles Intl to Chiang Mai
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($72 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Chiang Mai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Chiang Mai

IAD Washington, D.C. Dulles Intl - CNX Chiang Mai

IADCNX

Washington, D.C. Dulles Intl

Tue 11/10

7:00 am-10:45 pm

2 stops27h 45m

Chiang Mai

Wed 12/31

12:00 am-12:00 pm

Nonstop0h 00m

$548

Washington, D.C.Chiang Mai

IAD Washington, D.C. Dulles Intl - CNX Chiang Mai

IADCNX

Washington, D.C. Dulles Intl

Wed 11/4

11:35 pm-5:40 pm

3 stops54h 05m

Chiang Mai

Wed 12/31

12:00 am-12:00 pm

Nonstop0h 00m

$610

Washington, D.C.Chiang Mai

IAD Washington, D.C. Dulles Intl - CNX Chiang Mai

IADCNX

Washington, D.C. Dulles Intl

Mon 1/4

8:51 pm-9:50 am

3 stops48h 59m

Chiang Mai

Wed 12/31

12:00 am-12:00 pm

Nonstop0h 00m

$718

Washington, D.C.Chiang Mai

IAD Washington, D.C. Dulles Intl - CNX Chiang Mai

IADCNX

Washington, D.C. Dulles Intl

Fri 12/4

11:35 pm-11:35 pm

1 stop36h 00m

Chiang Mai

Wed 12/31

12:00 am-12:00 pm

Nonstop0h 00m

$798

Washington, D.C.Chiang Mai

IAD Washington, D.C. Dulles Intl - CNX Chiang Mai

IADCNX

Washington, D.C. Dulles Intl

Tue 1/5

6:00 pm-5:30 pm

3 stops35h 30m

Chiang Mai

Wed 12/31

12:00 am-12:00 pm

Nonstop0h 00m

$851

Washington, D.C.Chiang Mai

IAD Washington, D.C. Dulles Intl - CNX Chiang Mai

IADCNX

Washington, D.C. Dulles Intl

Mon 12/14

7:00 am-10:45 pm

2 stops27h 45m

Chiang Mai

Wed 12/31

12:00 am-12:00 pm

Nonstop0h 00m

$864

Washington, D.C.Chiang Mai

IAD Washington, D.C. Dulles Intl - CNX Chiang Mai

IADCNX

Washington, D.C. Dulles Intl

Mon 1/25

11:50 am-10:45 pm

1 stop22h 55m

Chiang Mai

Sun 2/7

12:20 am-5:33 pm

2 stops29h 13m

$901
Quickest round-trip

Washington, D.C.Chiang Mai

IAD Washington, D.C. Dulles Intl - CNX Chiang Mai

IADCNX

Washington, D.C. Dulles Intl

Tue 11/10

11:50 am-10:45 pm

1 stop22h 55m

Chiang Mai

Wed 12/31

12:00 am-12:00 pm

Nonstop0h 00m

$934

Washington, D.C.Chiang Mai

IAD Washington, D.C. Dulles Intl - CNX Chiang Mai

IADCNX

Washington, D.C. Dulles Intl

Sat 12/12

6:00 am-10:45 pm

2 stops28h 45m

Chiang Mai

Wed 12/31

12:00 am-12:00 pm

Nonstop0h 00m

$1,085

Washington, D.C.Chiang Mai

IAD Washington, D.C. Dulles Intl - CNX Chiang Mai

IADCNX

Washington, D.C. Dulles Intl

Sun 12/13

11:35 pm-11:35 pm

1 stop36h 00m

Chiang Mai

Wed 12/31

12:00 am-12:00 pm

Nonstop0h 00m

$1,098

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Compare providers for flights from Dulles Intl to Chiang Mai

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Chiang Mai in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

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

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from Dulles Intl with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Chiang Mai

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Chiang Mai?

Airfare is below average for this route at the moment.

Washington, D.C. Dulles Intl Airport to Chiang Mai flights typically cost between $1,227 and $1,472 in January.
The cheapest round-trip price found within the last 5 days was $890 on Korean Air (Jan 25-Feb 7).

Reviews of airlines servicing Chiang Mai

Get a feel of what it's like to fly with EVA Air,Korean Air, andDelta from Washington, D.C. Dulles Intl Airport to Chiang Mai by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.5
Very good
1,552 reviews

Food

8.1

Comfort

8.3

Crew

8.7

Boarding

8.4

Overall

8.5

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2026

TPE - CNX

I appreciate the free WIFI and meals. The crew are friendly.
EVA Air
8.5
Very good
1,552 reviews
EVA Air
8.5
Very good
1,552 reviews

Food

8.1

Comfort

8.3

Crew

8.7

Boarding

8.4

Overall

8.5

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2026

TPE - CNX

I appreciate the free WIFI and meals. The crew are friendly.
Korean Air
8.4
Very good
1,219 reviews
EVA Air
8.5
Very good
1,552 reviews

Food

8.1

Comfort

8.3

Crew

8.7

Boarding

8.4

Overall

8.5

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2026

TPE - CNX

I appreciate the free WIFI and meals. The crew are friendly.
Delta
7.8
Good
8,690 reviews
EVA Air
8.5
Very good
1,552 reviews

Food

8.1

Comfort

8.3

Crew

8.7

Boarding

8.4

Overall

8.5

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2026

TPE - CNX

I appreciate the free WIFI and meals. The crew are friendly.

Related info for your journey

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

    Chiang Mai (CNX) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Chiang Mai. You should not have trouble finding flights to Chiang Mai from Washington, D.C. Dulles Intl; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the Chiang Mai airport from Washington, D.C. Dulles Intl. It is only a 1.9 mi journey from Chiang Mai (CNX) to Chiang Mai’s city center.

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

    Korean Air and Etihad Airways can get you from Washington, D.C. Dulles Intl Airport to Chiang Mai in just under 22h 55m. Your travel time can differ by up to 10h. Airlines will cover a distance of 8436 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Chiang Mai round-trip?

    Korean Air, at $869, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Chiang Mai.Alternate airlines to your destination round-trip include EVA Air and Delta. These flights start at 30% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Chiang Mai 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

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Dulles Intl to Chiang Mai

AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$869Average$989FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$1,040Average$1,296FlexibilityNo cancel feeOn-time74%
DeltaCheapest$1,117Average$1,273FlexibilityNo cancel feeOn-timeN/A

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