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Cheap flights from Washington, D.C. Dulles Intl Airport to Chiang Mai from $663

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 7/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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.
Multiple Airlines Logo
3:10 pm - 8:25 pm
IAD
-
CNX
42h 15m
2 stops
Multiple Airlines Logo
2:30 pm - 9:45 am
CNX
-
IAD
30h 15m
2 stops
$1,081Multiple Airlines
Wed, Aug 26 - Thu, Sep 10
Multiple Airlines Logo
9:00 pm - 7:10 pm
IAD
-
CNX
35h 10m
2 stops
Multiple Airlines Logo
3:30 pm - 3:40 pm
CNX
-
IAD
35h 10m
2 stops
$1,086Multiple Airlines
Thu, Sep 24 - Wed, Oct 14
Multiple Airlines Logo
9:00 pm - 9:20 am
IAD
-
CNX
25h 20m
2 stops
Multiple Airlines Logo
7:45 pm - 3:55 pm
CNX
-
IAD
32h 10m
2 stops
$1,099Multiple Airlines
Tue, Oct 6 - Fri, Dec 18
Multiple Airlines Logo
10:40 am - 9:25 am
IAD
-
CNX
34h 45m
2 stops
Multiple Airlines Logo
9:05 pm - 3:55 pm
CNX
-
IAD
30h 50m
2 stops
$1,103Multiple Airlines
Sun, Nov 1 - Mon, Nov 16
Multiple Airlines Logo
8:05 pm - 11:20 am
IAD
-
CNX
27h 15m
2 stops
Multiple Airlines Logo
5:05 pm - 8:20 am
CNX
-
IAD
27h 15m
2 stops
$1,106Multiple Airlines
Mon, Nov 2 - Tue, Nov 10
Multiple Airlines Logo
8:05 pm - 11:20 am
IAD
-
CNX
27h 15m
2 stops
Multiple Airlines Logo
5:05 pm - 3:55 pm
CNX
-
IAD
34h 50m
2 stops
$1,117Multiple Airlines
Sun, Nov 1 - Mon, Nov 16
Multiple Airlines Logo
9:00 pm - 7:10 pm
IAD
-
CNX
35h 10m
2 stops
Multiple Airlines Logo
9:10 pm - 3:40 pm
CNX
-
IAD
29h 30m
2 stops
$1,119Multiple Airlines
Thu, Sep 24 - Wed, Oct 14
Multiple Airlines Logo
9:00 pm - 7:10 pm
IAD
-
CNX
35h 10m
2 stops
Multiple Airlines Logo
3:30 pm - 3:40 pm
CNX
-
IAD
35h 10m
2 stops
$1,120Multiple Airlines
Thu, Sep 24 - Wed, Oct 14
Multiple Airlines Logo
9:00 pm - 7:10 pm
IAD
-
CNX
35h 10m
2 stops
Multiple Airlines Logo
11:55 am - 3:40 pm
CNX
-
IAD
38h 45m
2 stops
$1,158Multiple Airlines
Thu, Sep 24 - Sun, Oct 11
Multiple Airlines Logo
9:00 pm - 9:20 am
IAD
-
CNX
25h 20m
2 stops
Multiple Airlines Logo
2:35 pm - 3:40 pm
CNX
-
IAD
36h 05m
2 stops
$1,173Multiple Airlines
Wed, Sep 23 - Sun, Oct 11

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
Sep 23
IAD1:15 amWashington, D.C. Dulles Intl
47h 00m
2 stops
CNX11:15 amChiang Mai
Oct 14
CNX11:35 amChiang Mai
21h 25m
1 stop
IAD10:00 pmWashington, D.C. Dulles Intl
$1,217
EVA Air
Sep 23
IAD1:15 amWashington, D.C. Dulles Intl
47h 00m
2 stops
CNX11:15 amChiang Mai
Oct 14
CNX11:35 amChiang Mai
21h 25m
1 stop
IAD10:00 pmWashington, D.C. Dulles Intl
$1,250
EVA Air
Sep 21
IAD1:15 amWashington, D.C. Dulles Intl
22h 10m
1 stop
CNX10:25 amChiang Mai
Oct 14
CNX11:35 amChiang Mai
21h 25m
1 stop
IAD10:00 pmWashington, D.C. Dulles Intl
$1,254

Qatar Airways flights from Washington, D.C. Dulles Intl Airport to Chiang Mai

Our best Qatar Airways deals on Washington, D.C. Dulles Intl Airport to Chiang Mai flight tickets
Qatar Airways
Aug 10
IAD9:00 pmWashington, D.C. Dulles Intl
49h 20m
2 stops
CNX9:20 amChiang Mai
Sep 9
CNX2:35 pmChiang Mai
36h 05m
2 stops
IAD3:40 pmWashington, D.C. Dulles Intl
$1,197
Qatar Airways
Sep 21
IAD9:00 pmWashington, D.C. Dulles Intl
25h 20m
2 stops
CNX9:20 amChiang Mai
Oct 8
CNX11:55 amChiang Mai
32h 00m
2 stops
IAD8:55 amWashington, D.C. Dulles Intl
$1,201
Qatar Airways
Sep 21
IAD9:00 pmWashington, D.C. Dulles Intl
29h 45m
2 stops
CNX1:45 pmChiang Mai
Oct 11
CNX8:00 pmChiang Mai
30h 40m
2 stops
IAD3:40 pmWashington, D.C. Dulles Intl
$1,241

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 June 4, 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

Cheapest round-trip

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Wed 8/26

3:10 pm-8:25 pm

2 stops42h 15m

Chiang Mai

Thu 9/10

2:30 pm-9:45 am

2 stops30h 15m

$1,081

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Thu 9/24

9:00 pm-7:10 pm

2 stops35h 10m

Chiang Mai

Wed 10/14

3:30 pm-3:40 pm

2 stops35h 10m

$1,086

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Tue 10/6

9:00 pm-9:20 am

2 stops25h 20m

Chiang Mai

Fri 12/18

7:45 pm-3:55 pm

2 stops32h 10m

$1,099

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Sun 11/1

10:40 am-9:25 am

2 stops34h 45m

Chiang Mai

Mon 11/16

9:05 pm-3:55 pm

2 stops30h 50m

$1,103
Quickest round-trip

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Mon 11/2

8:05 pm-11:20 am

2 stops27h 15m

Chiang Mai

Tue 11/10

5:05 pm-8:20 am

2 stops27h 15m

$1,106

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Sun 11/1

8:05 pm-11:20 am

2 stops27h 15m

Chiang Mai

Mon 11/16

5:05 pm-3:55 pm

2 stops34h 50m

$1,117

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Thu 9/24

9:00 pm-7:10 pm

2 stops35h 10m

Chiang Mai

Wed 10/14

9:10 pm-3:40 pm

2 stops29h 30m

$1,119

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Thu 9/24

9:00 pm-7:10 pm

2 stops35h 10m

Chiang Mai

Wed 10/14

3:30 pm-3:40 pm

2 stops35h 10m

$1,120

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Thu 9/24

9:00 pm-7:10 pm

2 stops35h 10m

Chiang Mai

Sun 10/11

11:55 am-3:40 pm

2 stops38h 45m

$1,158

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Wed 9/23

9:00 pm-9:20 am

2 stops25h 20m

Chiang Mai

Sun 10/11

2:35 pm-3:40 pm

2 stops36h 05m

$1,173

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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?

What is the cheapest month to fly to Chiang Mai?

If you don’t want to visit Chiang Mai in April, then you should wait until May to fly from Washington, D.C. Dulles Intl Airport, when ticket prices are also cheap, with an average price of $954.

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

You could potentially save up to 3% 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

25h 20m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Chiang Mai takes 25h 20m
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.
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Frequently asked questions about flying 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 25h 20m 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 $741Free CancellationRating
8.4
1,217 reviews
Search Korean Air flights
DeltaPriceFrom $798Free CancellationRating
7.8
8,395 reviews
Search Delta flights
EVA AirPriceFrom $1,040Free CancellationRating
8.5
1,465 reviews
Search EVA Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Chiang Mai?

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.

I’m not ready to book a flight from Washington, D.C. to Chiang Mai right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Chiang Mai flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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