Cheap flights from Washington, D.C. Dulles Intl Airport to Chiang Mai from $514

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Chiang Mai departing on 2/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Chiang Mai

Cheap round-trip flights

Enter your travel dates to find the best prices.
Etihad Airways Logo
3:35 pm - 9:20 am
IAD
-
CNX
54h 45m
2 stops
Etihad Airways Logo
9:30 am - 9:45 am
CNX
-
IAD
35h 15m
1 stop
$884Etihad Airways
Thu, Apr 9 - Sat, Apr 25
STARLUX Airlines Logo
7:11 pm - 4:20 pm
IAD
-
CNX
34h 09m
2 stops
STARLUX Airlines Logo
5:20 pm - 5:50 am
CNX
-
IAD
47h 30m
2 stops
$973STARLUX Airlines
Tue, Apr 14 - Tue, Apr 21
STARLUX Airlines Logo
7:11 pm - 4:20 pm
IAD
-
CNX
34h 09m
2 stops
STARLUX Airlines Logo
5:20 pm - 5:50 am
CNX
-
IAD
47h 30m
2 stops
$994STARLUX Airlines
Tue, Apr 14 - Thu, Apr 23
Multiple Airlines Logo
8:05 pm - 8:25 pm
IAD
-
CNX
36h 20m
2 stops
Multiple Airlines Logo
9:10 pm - 4:05 pm
CNX
-
IAD
29h 55m
2 stops
$1,001Multiple Airlines
Mon, Mar 2 - Mon, Apr 13
Etihad Airways Logo
2:35 pm - 9:25 am
IAD
-
CNX
30h 50m
2 stops
Etihad Airways Logo
8:50 am - 9:05 am
CNX
-
IAD
36h 15m
1 stop
$1,016Etihad Airways
Fri, Feb 20 - Sun, Mar 8
Multiple Airlines Logo
9:15 pm - 9:50 pm
IAD
-
CNX
36h 35m
2 stops
Multiple Airlines Logo
6:25 pm - 8:20 pm
CNX
-
IAD
36h 55m
2 stops
$1,017Multiple Airlines
Sat, Mar 7 - Wed, Mar 25
Etihad Airways Logo
3:35 pm - 11:20 am
IAD
-
CNX
32h 45m
2 stops
Etihad Airways Logo
8:50 am - 9:45 am
CNX
-
IAD
35h 55m
1 stop
$1,018Etihad Airways
Fri, Mar 13 - Sat, Mar 28
Multiple Airlines Logo
8:05 pm - 10:20 pm
IAD
-
CNX
38h 15m
2 stops
Multiple Airlines Logo
12:20 pm - 4:55 pm
CNX
-
IAD
39h 35m
2 stops
$1,027Multiple Airlines
Sat, Feb 28 - Wed, Mar 11
Multiple Airlines Logo
11:00 am - 9:20 am
IAD
-
CNX
35h 20m
2 stops
Multiple Airlines Logo
8:00 pm - 4:05 pm
CNX
-
IAD
31h 05m
2 stops
$1,029Multiple Airlines
Wed, Apr 15 - Thu, Apr 23
STARLUX Airlines Logo
7:11 pm - 3:55 pm
IAD
-
CNX
33h 44m
2 stops
STARLUX Airlines Logo
5:20 pm - 5:40 am
CNX
-
IAD
47h 20m
2 stops
$1,034STARLUX Airlines
Tue, Mar 24 - Thu, Apr 16

Korean Air flights from Washington, D.C. Dulles Intl Airport to Chiang Mai

Our best Korean Air deals on Washington, D.C. Dulles Intl Airport to Chiang Mai flight tickets
Korean Air
Jan 21
IAD11:50 amWashington, D.C. Dulles Intl
23h 05m
1 stop
CNX10:55 pmChiang Mai
Feb 3
CNX12:15 amChiang Mai
21h 35m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
$1,193
Korean Air
Jan 21
IAD11:50 amWashington, D.C. Dulles Intl
23h 05m
1 stop
CNX10:55 pmChiang Mai
Feb 3
CNX12:15 amChiang Mai
54h 54m
2 stops
IAD7:09 pmWashington, D.C. Dulles Intl
$1,209
Korean Air
Jan 21
IAD11:50 amWashington, D.C. Dulles Intl
23h 05m
1 stop
CNX10:55 pmChiang Mai
Feb 3
CNX12:15 amChiang Mai
54h 54m
2 stops
IAD7:09 pmWashington, D.C. Dulles Intl
$1,210

EVA Air flights from Washington, D.C. Dulles Intl Airport to Chiang Mai

Our best EVA Air deals on Washington, D.C. Dulles Intl Airport to Chiang Mai flight tickets
EVA Air
Jan 20
IAD6:04 pmWashington, D.C. Dulles Intl
28h 31m
2 stops
CNX10:35 amChiang Mai
Jan 26
CNX11:50 amChiang Mai
40h 36m
2 stops
IAD4:26 pmWashington, D.C. Dulles Intl
$1,080
EVA Air
Jan 21
IAD6:04 pmWashington, D.C. Dulles Intl
28h 31m
2 stops
CNX10:35 amChiang Mai
Feb 4
CNX11:50 amChiang Mai
40h 36m
2 stops
IAD4:26 pmWashington, D.C. Dulles Intl
$1,157
EVA Air
Jan 21
IAD6:04 pmWashington, D.C. Dulles Intl
28h 31m
2 stops
CNX10:35 amChiang Mai
Feb 4
CNX11:50 amChiang Mai
40h 36m
2 stops
IAD4:26 pmWashington, D.C. Dulles Intl
$1,219

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Chiang Mai 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, momondo users made 832,500 searches. Data last updated January 15, 2026.
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

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Thu 4/9

3:35 pm-9:20 am

2 stops54h 45m

Chiang Mai

Sat 4/25

9:30 am-9:45 am

1 stop35h 15m

$884

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Tue 4/14

7:11 pm-4:20 pm

2 stops34h 09m

Chiang Mai

Tue 4/21

5:20 pm-5:50 am

2 stops47h 30m

$973

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Tue 4/14

7:11 pm-4:20 pm

2 stops34h 09m

Chiang Mai

Thu 4/23

5:20 pm-5:50 am

2 stops47h 30m

$994

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Mon 3/2

8:05 pm-8:25 pm

2 stops36h 20m

Chiang Mai

Mon 4/13

9:10 pm-4:05 pm

2 stops29h 55m

$1,001

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Fri 2/20

2:35 pm-9:25 am

2 stops30h 50m

Chiang Mai

Sun 3/8

8:50 am-9:05 am

1 stop36h 15m

$1,016

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Sat 3/7

9:15 pm-9:50 pm

2 stops36h 35m

Chiang Mai

Wed 3/25

6:25 pm-8:20 pm

2 stops36h 55m

$1,017

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Fri 3/13

3:35 pm-11:20 am

2 stops32h 45m

Chiang Mai

Sat 3/28

8:50 am-9:45 am

1 stop35h 55m

$1,018

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Sat 2/28

8:05 pm-10:20 pm

2 stops38h 15m

Chiang Mai

Wed 3/11

12:20 pm-4:55 pm

2 stops39h 35m

$1,027

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Wed 4/15

11:00 am-9:20 am

2 stops35h 20m

Chiang Mai

Thu 4/23

8:00 pm-4:05 pm

2 stops31h 05m

$1,029

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Tue 3/24

7:11 pm-3:55 pm

2 stops33h 44m

Chiang Mai

Thu 4/16

5:20 pm-5:40 am

2 stops47h 20m

$1,034

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Chiang Mai from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Chiang Mai

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Chiang Mai?

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Chiang Mai flights?

You could potentially save up to 68% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Chiang Mai flight.

When to book flights from Washington, D.C. Dulles Intl Airport to Chiang Mai

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Chiang Mai according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Chiang Mai (IAD to CNX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Chiang Mai

Fastest flight time

28h 31m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Chiang Mai takes 28h 31m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Chiang Mai. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Chiang Mai.
  • How far is Washington, D.C. Dulles Intl to Chiang Mai by plane?

    Chiang Mai is 8435.1 mi away from Washington, D.C. Dulles Intl. Typically, this will take 28h 31m by plane in normal conditions.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Chiang Mai Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Chiang Mai Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Chiang Mai Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Chiang Mai Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Chiang Mai Airport.

  • What documentation or ID do you need to fly to Chiang Mai Airport?

    The necessary travel and health documents for your Chiang Mai Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Chiang Mai?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Chiang Mai

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Chiang Mai with momondo
Airline
Rating
Free Cancellation
Price
Korean AirPriceFrom $673Free CancellationRating
8.4
1,187 reviews
Search Korean Air flights
DeltaPriceFrom $798Free CancellationRating
7.9
8,051 reviews
Search Delta flights

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Finding the right flight to Chiang Mai from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chiang Mai quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Chiang Mai with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Chiang Mai from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to Chiang Mai?

momondo provides multiple filters to help you find the best flight to Chiang Mai from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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