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Cheap flights from District of Columbia 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 District of Columbia to Chiang Mai departing on 11/4. 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 District of Columbia to Chiang Mai

Cheap round-trip flights

Logo
11:05 am - 9:25 amIAD-CNX
34h 20m2 stops
Logo
10:10 am - 9:10 amCNX-IAD
35h 00m2 stops
$951
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Wed, Dec 3 - Wed, Dec 17
Air China Logo
10:00 pm - 9:50 pmIAD-CNX
35h 50m1 stop
Air China Logo
11:05 pm - 6:30 pmCNX-IAD
31h 25m1 stop
$959Air China
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Tue, Nov 11 - Mon, Dec 1
Delta Logo
7:59 pm - 10:55 pmIAD-CNX
38h 56m2 stops
Delta Logo
12:15 am - 11:16 pmCNX-IAD
34h 01m2 stops
$988Delta
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Sun, Feb 15 - Sun, Mar 22
Logo
11:05 am - 9:25 amIAD-CNX
34h 20m2 stops
Logo
10:10 am - 9:10 amCNX-IAD
35h 00m2 stops
$991
Find Deal
Sat, Jan 17 - Sun, Feb 15
China Airlines Logo
5:30 pm - 10:25 amDCA-CNX
28h 55m2 stops
China Airlines Logo
11:25 am - 8:55 pmCNX-DCA
45h 30m2 stops
$1,022China Airlines
Find Deal
Tue, Jan 20 - Fri, Jan 30
Delta Logo
11:50 am - 10:55 pmIAD-CNX
23h 05m1 stop
Delta Logo
12:15 am - 11:16 pmCNX-IAD
34h 01m2 stops
$1,028Delta
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Sun, Feb 15 - Sun, Mar 22
China Airlines Logo
6:34 pm - 10:25 amIAD-CNX
27h 51m2 stops
China Airlines Logo
5:35 pm - 6:15 amCNX-IAD
24h 40m2 stops
$1,071China Airlines
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Mon, Nov 24 - Mon, Dec 15
Qatar Airways Logo
8:05 pm - 9:25 amIAD-CNX
49h 20m2 stops
Qatar Airways Logo
12:10 pm - 4:55 pmCNX-IAD
39h 45m2 stops
$1,074Qatar Airways
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Sun, Mar 1 - Wed, Mar 11
Qatar Airways Logo
8:05 pm - 9:25 amIAD-CNX
49h 20m2 stops
Qatar Airways Logo
10:10 am - 4:55 pmCNX-IAD
41h 45m2 stops
$1,075Qatar Airways
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Sun, Mar 1 - Wed, Mar 11
China Eastern Logo
11:10 am - 2:20 pmDCA-CNX
39h 10m2 stops
China Eastern Logo
3:35 pm - 5:59 pmCNX-DCA
38h 24m2 stops
$1,097China Eastern
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Mon, Nov 24 - Mon, Dec 15

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
CNX12:10 pmChiang Mai
39h 45m
2 stops
IAD4:55 pmWashington, D.C. Dulles Intl
$1,074
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
$1,075
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Qatar Airways
Mar 5
IAD8:05 pmWashington, D.C. Dulles Intl
27h 15m
2 stops
CNX11:20 amChiang Mai
Mar 9
CNX10:10 amChiang Mai
41h 45m
2 stops
IAD4:55 pmWashington, D.C. Dulles Intl
$1,166
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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
Oct 27
DCA6:58 pmWashington, D.C. Reagan-National
28h 37m
2 stops
CNX10:35 amChiang Mai
Nov 18
CNX11:50 amChiang Mai
42h 08m
2 stops
DCA5:58 pmWashington, D.C. Reagan-National
$1,121
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EVA Air
Oct 11
DCA6:59 pmWashington, D.C. Reagan-National
28h 26m
2 stops
CNX10:25 amChiang Mai
Nov 2
CNX11:50 amChiang Mai
42h 08m
2 stops
DCA6:58 pmWashington, D.C. Reagan-National
$1,163
Find similar
EVA Air
Nov 10
DCA6:58 pmWashington, D.C. Reagan-National
51h 37m
2 stops
CNX10:35 amChiang Mai
Dec 1
CNX11:50 amChiang Mai
44h 10m
2 stops
DCA8:00 pmWashington, D.C. Reagan-National
$1,168
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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 September 10, 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 12/3

11:05 am-9:25 am

2 stops34h 20m

Chiang Mai

Wed 12/17

10:10 am-9:10 am

2 stops35h 00m

$951

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Tue 11/11

10:00 pm-9:50 pm

1 stop35h 50m

Chiang Mai

Mon 12/1

11:05 pm-6:30 pm

1 stop31h 25m

$959

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Sun 2/15

7:59 pm-10:55 pm

2 stops38h 56m

Chiang Mai

Sun 3/22

12:15 am-11:16 pm

2 stops34h 01m

$988

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Sat 1/17

11:05 am-9:25 am

2 stops34h 20m

Chiang Mai

Sun 2/15

10:10 am-9:10 am

2 stops35h 00m

$991

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Tue 1/20

5:30 pm-10:25 am

2 stops28h 55m

Chiang Mai

Fri 1/30

11:25 am-8:55 pm

2 stops45h 30m

$1,022

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-11:16 pm

2 stops34h 01m

$1,028

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Mon 11/24

6:34 pm-10:25 am

2 stops27h 51m

Chiang Mai

Mon 12/15

5:35 pm-6:15 am

2 stops24h 40m

$1,071

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

12:10 pm-4:55 pm

2 stops39h 45m

$1,074

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

$1,075

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Mon 11/24

11:10 am-2:20 pm

2 stops39h 10m

Chiang Mai

Mon 12/15

3:35 pm-5:59 pm

2 stops38h 24m

$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 June, then you should wait until March to fly from District of Columbia, when ticket prices are also cheap, with an average price of $1,273.

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

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
1,140 reviews
Search Korean Air flights
DeltaPriceFrom $1,028Free CancellationRating
7.9
7,963 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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