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Cheap flights from District of Columbia to Chiang Mai from $479

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Chiang Mai departing on 3/16. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Etihad Airways Logo
2:35 pm - 9:25 am
IAD
-
CNX
30h 50m2 stops
Etihad Airways Logo
8:50 am - 9:05 am
CNX
-
IAD
36h 15m1 stop
$918Etihad Airways
Fri, Jan 30 - Sun, Feb 8
Etihad Airways Logo
3:35 pm - 9:25 am
IAD
-
CNX
30h 50m2 stops
Etihad Airways Logo
8:50 am - 9:45 am
CNX
-
IAD
35h 55m1 stop
$926Etihad Airways
Fri, Mar 13 - Sat, Mar 28
Air China Logo
10:00 pm - 9:50 pm
IAD
-
CNX
35h 50m1 stop
Air China Logo
11:05 pm - 6:30 pm
CNX
-
IAD
31h 25m1 stop
$1,009Air China
Tue, Jan 13 - Thu, Jan 29
Air China Logo
10:00 pm - 9:50 pm
IAD
-
CNX
35h 50m1 stop
Air China Logo
11:05 pm - 6:30 pm
CNX
-
IAD
31h 25m1 stop
$1,023Air China
Fri, Jan 9 - Thu, Jan 29
China Airlines Logo
6:27 pm - 10:25 am
IAD
-
CNX
27h 58m2 stops
China Airlines Logo
11:20 am - 5:49 am
CNX
-
IAD
29h 29m2 stops
$1,046China Airlines
Mon, Mar 2 - Mon, Apr 13
Qatar Airways Logo
8:05 pm - 9:25 am
IAD
-
CNX
49h 20m2 stops
Qatar Airways Logo
10:10 am - 4:55 pm
CNX
-
IAD
41h 45m2 stops
$1,056Qatar Airways
Sun, Mar 1 - Wed, Mar 11
Qatar Airways Logo
8:05 pm - 9:25 am
IAD
-
CNX
49h 20m2 stops
Qatar Airways Logo
10:10 am - 4:55 pm
CNX
-
IAD
41h 45m2 stops
$1,058Qatar Airways
Sun, Mar 1 - Wed, Mar 11
Qatar Airways Logo
11:00 am - 9:20 am
IAD
-
CNX
35h 20m2 stops
Qatar Airways Logo
8:00 pm - 4:05 pm
CNX
-
IAD
31h 05m2 stops
$1,059Qatar Airways
Fri, Apr 17 - Thu, Apr 30
EVA Air Logo
6:27 pm - 10:35 am
IAD
-
CNX
28h 08m2 stops
EVA Air Logo
11:35 am - 5:49 am
CNX
-
IAD
29h 14m2 stops
$1,069EVA Air
Mon, Mar 2 - Mon, Apr 13
EVA Air Logo
9:59 am - 10:35 am
DCA
-
CNX
36h 36m2 stops
EVA Air Logo
11:35 am - 5:29 pm
CNX
-
DCA
40h 54m2 stops
$1,097EVA Air
Mon, Mar 2 - Mon, Apr 13

EVA Air flights from District of Columbia to Chiang Mai

Our best EVA Air deals on District of Columbia to Chiang Mai flight tickets
EVA Air
Mar 2
IAD6:27 pmWashington, D.C. Dulles Intl
28h 08m
2 stops
CNX10:35 amChiang Mai
Apr 13
CNX11:35 amChiang Mai
29h 14m
2 stops
IAD5:49 amWashington, D.C. Dulles Intl
$1,069
Find similar
EVA Air
Mar 2
DCA9:59 amWashington, D.C. Reagan-National
36h 36m
2 stops
CNX10:35 amChiang Mai
Apr 13
CNX11:35 amChiang Mai
40h 54m
2 stops
DCA5:29 pmWashington, D.C. Reagan-National
$1,097
Find similar
EVA Air
Jan 16
DCA6:56 pmWashington, D.C. Reagan-National
51h 39m
2 stops
CNX10:35 amChiang Mai
Jan 23
CNX11:50 amChiang Mai
46h 09m
2 stops
DCA9:59 pmWashington, D.C. Reagan-National
$1,206
Find similar

Qatar Airways flights from District of Columbia to Chiang Mai

Our best Qatar Airways deals on District of Columbia to Chiang Mai flight tickets
Qatar Airways
Mar 1
IAD8:05 pmWashington, D.C. Dulles Intl
49h 20m
2 stops
CNX9:25 amChiang Mai
Mar 11
CNX10:10 amChiang Mai
41h 45m
2 stops
IAD4:55 pmWashington, D.C. Dulles Intl
$1,056
Find similar
Qatar Airways
Mar 1
IAD8:05 pmWashington, D.C. Dulles Intl
49h 20m
2 stops
CNX9:25 amChiang Mai
Mar 11
CNX10:10 amChiang Mai
41h 45m
2 stops
IAD4:55 pmWashington, D.C. Dulles Intl
$1,058
Find similar
Qatar Airways
Apr 17
IAD11:00 amWashington, D.C. Dulles Intl
35h 20m
2 stops
CNX9:20 amChiang Mai
Apr 30
CNX8:00 pmChiang Mai
31h 05m
2 stops
IAD4:05 pmWashington, D.C. Dulles Intl
$1,059
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 December 18, 2025.
Use the filters below to find and compare flights from District of Columbia 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

Fri 1/30

2:35 pm-9:25 am

2 stops30h 50m

Chiang Mai

Sun 2/8

8:50 am-9:05 am

1 stop36h 15m

$918

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Fri 3/13

3:35 pm-9:25 am

2 stops30h 50m

Chiang Mai

Sat 3/28

8:50 am-9:45 am

1 stop35h 55m

$926

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Tue 1/13

10:00 pm-9:50 pm

1 stop35h 50m

Chiang Mai

Thu 1/29

11:05 pm-6:30 pm

1 stop31h 25m

$1,009

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Fri 1/9

10:00 pm-9:50 pm

1 stop35h 50m

Chiang Mai

Thu 1/29

11:05 pm-6:30 pm

1 stop31h 25m

$1,023

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Mon 3/2

6:27 pm-10:25 am

2 stops27h 58m

Chiang Mai

Mon 4/13

11:20 am-5:49 am

2 stops29h 29m

$1,046

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Sun 3/1

8:05 pm-9:25 am

2 stops49h 20m

Chiang Mai

Wed 3/11

10:10 am-4:55 pm

2 stops41h 45m

$1,056

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Sun 3/1

8:05 pm-9:25 am

2 stops49h 20m

Chiang Mai

Wed 3/11

10:10 am-4:55 pm

2 stops41h 45m

$1,058

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Fri 4/17

11:00 am-9:20 am

2 stops35h 20m

Chiang Mai

Thu 4/30

8:00 pm-4:05 pm

2 stops31h 05m

$1,059

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Mon 3/2

6:27 pm-10:35 am

2 stops28h 08m

Chiang Mai

Mon 4/13

11:35 am-5:49 am

2 stops29h 14m

$1,069

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Mon 3/2

9:59 am-10:35 am

2 stops36h 36m

Chiang Mai

Mon 4/13

11:35 am-5:29 pm

2 stops40h 54m

$1,097

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 District of Columbia 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 cheapest month to fly to Chiang Mai?

If you don’t want to visit Chiang Mai in January, then you should wait until March to fly from District of Columbia, when ticket prices are also cheap, with an average price of $1,184.

What is the cheapest day to depart on your flight to Chiang Mai?

The cheapest day to depart from District of Columbia to Chiang Mai is on a Monday. Travelers who choose to depart for Chiang Mai on a Monday will often find tickets for as low as $1,286. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from District of Columbia to Chiang Mai for around $1,704.

What is the cheapest time of day to depart on your flight to Chiang Mai?

Flying to Chiang Mai from District of Columbia in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,300 when looking at flights departing in the evening. Flights to Chiang Mai are more costly in the afternoon, with an average ticket price of $1,718. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on District of Columbia to Chiang Mai flights?

You could potentially save up to 11% on your flight if you consider stops on a District of Columbia to Chiang Mai flight.

Cheap District of Columbia to Chiang Mai flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Chiang Mai

Fastest flight time

27h 52m

Direct flights

None
The fastest flight from District of Columbia to Chiang Mai takes 27h 52m
There are no direct flights from District of Columbia to Chiang Mai. There are no popular flight routes from District of Columbia to Chiang Mai.
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  • When did momondo last update prices for flights from District of Columbia to Chiang Mai Airport?

    Prices for flights from District of Columbia to Chiang Mai Airport were last updated today.

  • How many operators does momondo search for flights from District of Columbia to Chiang Mai Airport?

  • How old do you have to be to fly from District of Columbia to Chiang Mai Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from District of Columbia 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.

Best airlines flying from District of Columbia to Chiang Mai

Compare and see reviews for airlines that fly from District of Columbia to Chiang Mai with momondo
Airline
Rating
Free Cancellation
Price
Korean AirPriceFrom $743Free CancellationRating
8.4
1,186 reviews
Search Korean Air flights
DeltaPriceFrom $798Free CancellationRating
7.9
8,006 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Chiang Mai?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chiang Mai from District of Columbia.

Can I find flights from District of Columbia to Chiang Mai with flexible booking policies on momondo?

momondo does allow users to show only those flights to Chiang Mai from District of Columbia which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from District of Columbia to Chiang Mai?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from District of Columbia to Chiang Mai.

I’m not ready to book a flight from District of Columbia to Chiang Mai right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Chiang Mai from District of Columbia. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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