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Cheap flights from District of Columbia to Chiang Mai from $555

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 11/17. 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

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Multiple Airlines Logo
12:15 pm - 9:20 amIAD-CNX
34h 05m2 stops
Multiple Airlines Logo
8:00 pm - 3:40 pmCNX-IAD
54h 40m2 stops
$955Multiple Airlines
Find Deal
Wed, Apr 15 - Sat, May 2
Multiple Airlines Logo
11:10 am - 9:25 amIAD-CNX
34h 15m2 stops
Multiple Airlines Logo
10:10 am - 9:10 amCNX-IAD
35h 00m2 stops
$991Multiple Airlines
Find Deal
Sun, Jan 18 - Sun, Jan 25
Korean Air Logo
12:23 pm - 10:55 pmIAD-CNX
46h 32m2 stops
Korean Air Logo
12:15 am - 7:12 pmCNX-IAD
29h 57m2 stops
$1,058Korean Air
Find Deal
Sun, Mar 1 - Tue, Mar 10
Korean Air Logo
11:50 am - 10:55 pmIAD-CNX
23h 05m1 stop
Korean Air Logo
12:15 am - 7:12 pmCNX-IAD
29h 57m2 stops
$1,087Korean Air
Find Deal
Sun, Mar 1 - Tue, Mar 10
EVA Air Logo
6:56 pm - 10:35 amDCA-CNX
51h 39m2 stops
EVA Air Logo
11:50 am - 5:56 pmCNX-DCA
42h 06m2 stops
$1,135EVA Air
Find Deal
Sun, Jan 18 - Sun, Jan 25
Delta Logo
5:25 pm - 10:55 pmIAD-CNX
41h 30m2 stops
Delta Logo
12:15 am - 11:56 pmCNX-IAD
34h 41m2 stops
$1,152Delta
Find Deal
Sun, Feb 15 - Sun, Mar 22
Delta Logo
11:50 am - 10:55 pmIAD-CNX
23h 05m1 stop
Delta Logo
12:15 am - 11:56 pmCNX-IAD
34h 41m2 stops
$1,158Delta
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Sun, Feb 15 - Sun, Mar 22
EVA Air Logo
6:04 pm - 10:35 amIAD-CNX
28h 31m2 stops
EVA Air Logo
11:50 am - 4:26 pmCNX-IAD
40h 36m2 stops
$1,160EVA Air
Find Deal
Tue, Jan 20 - Sun, Jan 25
Qatar Airways Logo
10:40 am - 9:25 amIAD-CNX
58h 45m2 stops
Qatar Airways Logo
7:45 pm - 3:55 pmCNX-IAD
56h 10m2 stops
$1,216Qatar Airways
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Wed, Nov 26 - Sat, Dec 6
Qatar Airways Logo
9:05 pm - 9:25 amIAD-CNX
25h 20m2 stops
Qatar Airways Logo
8:00 pm - 8:40 amCNX-IAD
47h 40m2 stops
$1,303Qatar Airways
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Thu, Mar 26 - Fri, Apr 3

Korean Air flights from District of Columbia to Chiang Mai

Our best Korean Air deals on District of Columbia to Chiang Mai flight tickets
Korean Air
Mar 1
IAD12:23 pmWashington, D.C. Dulles Intl
46h 32m
2 stops
CNX10:55 pmChiang Mai
Mar 10
CNX12:15 amChiang Mai
29h 57m
2 stops
IAD7:12 pmWashington, D.C. Dulles Intl
$1,058
Find similar
Korean Air
Mar 1
IAD11:50 amWashington, D.C. Dulles Intl
23h 05m
1 stop
CNX10:55 pmChiang Mai
Mar 10
CNX12:15 amChiang Mai
29h 57m
2 stops
IAD7:12 pmWashington, D.C. Dulles Intl
$1,087
Find similar
Korean Air
Nov 26
DCA6:59 amWashington, D.C. Reagan-National
27h 56m
2 stops
CNX10:55 pmChiang Mai
Dec 5
CNX12:15 amChiang Mai
29h 47m
2 stops
DCA6:02 pmWashington, D.C. Reagan-National
$1,118
Find similar

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
Nov 5
DCA6:58 pmWashington, D.C. Reagan-National
51h 37m
2 stops
CNX10:35 amChiang Mai
Nov 12
CNX11:50 amChiang Mai
44h 10m
2 stops
DCA8:00 pmWashington, D.C. Reagan-National
$1,097
Find similar
EVA Air
Jan 18
DCA6:56 pmWashington, D.C. Reagan-National
51h 39m
2 stops
CNX10:35 amChiang Mai
Jan 25
CNX11:50 amChiang Mai
42h 06m
2 stops
DCA5:56 pmWashington, D.C. Reagan-National
$1,135
Find similar
EVA Air
Nov 9
IAD6:13 pmWashington, D.C. Dulles Intl
28h 22m
2 stops
CNX10:35 amChiang Mai
Nov 16
CNX11:50 amChiang Mai
30h 33m
2 stops
IAD6:23 amWashington, D.C. Dulles Intl
$1,148
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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 November 4, 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

Wed 4/15

12:15 pm-9:20 am

2 stops34h 05m

Chiang Mai

Sat 5/2

8:00 pm-3:40 pm

2 stops54h 40m

$955

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Sun 1/18

11:10 am-9:25 am

2 stops34h 15m

Chiang Mai

Sun 1/25

10:10 am-9:10 am

2 stops35h 00m

$991

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Sun 3/1

12:23 pm-10:55 pm

2 stops46h 32m

Chiang Mai

Tue 3/10

12:15 am-7:12 pm

2 stops29h 57m

$1,058

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Sun 3/1

11:50 am-10:55 pm

1 stop23h 05m

Chiang Mai

Tue 3/10

12:15 am-7:12 pm

2 stops29h 57m

$1,087

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Sun 1/18

6:56 pm-10:35 am

2 stops51h 39m

Chiang Mai

Sun 1/25

11:50 am-5:56 pm

2 stops42h 06m

$1,135

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Sun 2/15

5:25 pm-10:55 pm

2 stops41h 30m

Chiang Mai

Sun 3/22

12:15 am-11:56 pm

2 stops34h 41m

$1,152

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Sun 2/15

11:50 am-10:55 pm

1 stop23h 05m

Chiang Mai

Sun 3/22

12:15 am-11:56 pm

2 stops34h 41m

$1,158

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Tue 1/20

6:04 pm-10:35 am

2 stops28h 31m

Chiang Mai

Sun 1/25

11:50 am-4:26 pm

2 stops40h 36m

$1,160

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Wed 11/26

10:40 am-9:25 am

2 stops58h 45m

Chiang Mai

Sat 12/6

7:45 pm-3:55 pm

2 stops56h 10m

$1,216

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Thu 3/26

9:05 pm-9:25 am

2 stops25h 20m

Chiang Mai

Fri 4/3

8:00 pm-8:40 am

2 stops47h 40m

$1,303

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 June to fly from District of Columbia, when ticket prices are also cheap, with an average price of $1,187.

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 22% 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

Direct flights

None
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
1,160 reviews
Search Korean Air flights
DeltaPriceFrom $798Free CancellationRating
7.9
8,002 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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