What is the cheapest airline that flies from District of Columbia to Chiang Mai?

Korean Air and Delta are the most popular carriers operating from District of Columbia to Chiang Mai

What airlines fly to Chiang Mai?

Korean Air, EVA Air and Delta are the top three most popular airlines that fly to Chiang Mai from District of Columbia according to our data. Korean Air is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Chiang Mai. Keep in mind that there are 3 different airlines that fly to Chiang Mai on a routine basis, so you have a few additional options to choose from.

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?

The number of operators available for flights from District of Columbia to Chiang Mai Airport is 3 as of September 2026.

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.

$401 Cheap Flights from District of Columbia to Chiang Mai in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from District of Columbia to Chiang Mai

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:50 am - 10:45 pmIAD Washington, D.C. Dulles Intl-CNX Chiang Mai

22h 55m1 stop Incheon Intl

9:10 am - 9:05 amCNX Chiang Mai-IAD Washington, D.C. Dulles Intl

35h 55m1 stop Abu Dhabi Zayed Intl

$851Multiple Airlines

Wed, Nov 4 - Tue, Nov 10

11:50 am - 10:45 pmIAD Washington, D.C. Dulles Intl-CNX Chiang Mai

22h 55m1 stop Incheon Intl

9:10 am - 9:05 amCNX Chiang Mai-IAD Washington, D.C. Dulles Intl

35h 55m1 stop Abu Dhabi Zayed Intl

$880Multiple Airlines

Sun, Nov 8 - Mon, Nov 23

11:50 am - 10:45 pmIAD Washington, D.C. Dulles Intl-CNX Chiang Mai

22h 55m1 stop Incheon Intl

12:20 am - 9:50 amCNX Chiang Mai-IAD Washington, D.C. Dulles Intl

21h 30m1 stop Incheon Intl

$881Korean Air

Wed, Nov 4 - Tue, Nov 10

6:32 pm - 10:45 pmIAD Washington, D.C. Dulles Intl-CNX Chiang Mai

40h 13m2 stops New York John F Kennedy Intl Incheon Intl

9:10 am - 9:05 amCNX Chiang Mai-IAD Washington, D.C. Dulles Intl

35h 55m1 stop Abu Dhabi Zayed Intl

$885Multiple Airlines

Sun, Nov 8 - Mon, Nov 23

11:50 am - 10:45 pmIAD Washington, D.C. Dulles Intl-CNX Chiang Mai

22h 55m1 stop Incheon Intl

12:20 am - 9:50 amCNX Chiang Mai-IAD Washington, D.C. Dulles Intl

21h 30m1 stop Incheon Intl

$910Korean Air

Thu, Feb 11 - Sat, Mar 6

11:50 am - 10:45 pmIAD Washington, D.C. Dulles Intl-CNX Chiang Mai

22h 55m1 stop Incheon Intl

12:20 am - 9:50 amCNX Chiang Mai-IAD Washington, D.C. Dulles Intl

21h 30m1 stop Incheon Intl

$910Korean Air

Thu, Feb 18 - Wed, Feb 24

6:00 am - 10:45 pmDCA Washington, D.C. Reagan-National-CNX Chiang Mai

28h 45m2 stops Atlanta Hartsfield-Jackson Incheon Intl

12:20 am - 9:47 pmCNX Chiang Mai-DCA Washington, D.C. Reagan-National

33h 27m2 stops Incheon Intl Atlanta Hartsfield-Jackson

$922Delta

Sun, Nov 8 - Sun, Nov 22

6:00 am - 10:45 pmIAD Washington, D.C. Dulles Intl-CNX Chiang Mai

28h 45m2 stops Atlanta Hartsfield-Jackson Incheon Intl

12:20 am - 12:20 amCNX Chiang Mai-IAD Washington, D.C. Dulles Intl

36h 00m2 stops Incheon Intl Seattle/Tacoma Intl

$923Delta

Sun, Nov 8 - Sat, Nov 14

11:55 pm - 10:35 amIAD Washington, D.C. Dulles Intl-CNX Chiang Mai

22h 40m1 stop Taipei City Taiwan Taoyuan Intl

11:35 am - 10:15 pmCNX Chiang Mai-IAD Washington, D.C. Dulles Intl

21h 40m1 stop Taipei City Taiwan Taoyuan Intl

$1,082EVA Air

Wed, Mar 3 - Mon, Mar 29

11:55 pm - 11:20 amIAD Washington, D.C. Dulles Intl-CNX Chiang Mai

47h 25m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

7:45 pm - 8:55 pmCNX Chiang Mai-IAD Washington, D.C. Dulles Intl

37h 10m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

$1,154EVA Air

Wed, Nov 4 - Tue, Nov 10

Cheap last minute flights

Enter your travel dates to find the best prices.

1:20 pm - 11:50 pmIAD Washington, D.C. Dulles Intl-CNX Chiang Mai

23h 30m1 stop Incheon Intl

9:35 am - 10:50 amCNX Chiang Mai-IAD Washington, D.C. Dulles Intl

36h 15m2 stops Bangkok Suvarnabhumi Incheon Intl

$1,194Multiple Airlines

Wed, Sep 30 - Tue, Oct 6

10:55 am - 9:20 amIAD Washington, D.C. Dulles Intl-CNX Chiang Mai

59h 25m2 stops Dubai Intl Bangkok Suvarnabhumi

8:00 pm - 8:50 amCNX Chiang Mai-IAD Washington, D.C. Dulles Intl

47h 50m2 stops Bangkok Suvarnabhumi Dubai Intl

$1,208Emirates

Wed, Sep 30 - Tue, Oct 6

4:36 pm - 1:45 pmIAD Washington, D.C. Dulles Intl-CNX Chiang Mai

34h 09m3 stops Dallas/Fort Worth Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

7:35 pm - 10:50 amCNX Chiang Mai-IAD Washington, D.C. Dulles Intl

26h 15m2 stops Bangkok Suvarnabhumi Incheon Intl

$1,437Multiple Airlines

Wed, Sep 30 - Tue, Oct 6

6:59 pm - 10:20 amDCA Washington, D.C. Reagan-National-CNX Chiang Mai

28h 21m2 stops San Francisco Taipei City Taiwan Taoyuan Intl

11:20 am - 8:00 pmCNX Chiang Mai-DCA Washington, D.C. Reagan-National

43h 40m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles

$1,448Multiple Airlines

Wed, Sep 30 - Tue, Oct 6

1:20 pm - 11:50 pmIAD Washington, D.C. Dulles Intl-CNX Chiang Mai

23h 30m1 stop Incheon Intl

11:00 pm - 10:50 amCNX Chiang Mai-IAD Washington, D.C. Dulles Intl

22h 50m1 stop Incheon Intl

$1,523Multiple Airlines

Wed, Sep 30 - Tue, Oct 6

1:00 pm - 10:20 amDCA Washington, D.C. Reagan-National-CNX Chiang Mai

34h 20m3 stops Denver Intl Phoenix Sky Harbor Intl Taipei City Taiwan Taoyuan Intl

6:35 am - 10:34 pmCNX Chiang Mai-DCA Washington, D.C. Reagan-National

26h 59m3 stops Bangkok Suvarnabhumi Incheon Intl Toronto Pearson Intl

$1,557Multiple Airlines

Wed, Sep 30 - Tue, Oct 6

9:00 pm - 7:10 pmIAD Washington, D.C. Dulles Intl-CNX Chiang Mai

35h 10m3 stops Doha Hamad Intl Kuala Lumpur Intl Bangkok Suvarnabhumi

1:40 pm - 5:55 pmCNX Chiang Mai-IAD Washington, D.C. Dulles Intl

39h 15m3 stops Bangkok Suvarnabhumi Kuala Lumpur Intl Doha Hamad Intl

$2,536Multiple Airlines

Wed, Sep 30 - Tue, Oct 6

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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

Nov 4

IAD11:50 amWashington, D.C. Dulles Intl

22h 55m

1 stop

CNX10:45 pmChiang Mai

Nov 10

CNX12:20 amChiang Mai

21h 30m

1 stop

IAD9:50 amWashington, D.C. Dulles Intl

$881

Korean Air

Feb 11

IAD11:50 amWashington, D.C. Dulles Intl

22h 55m

1 stop

CNX10:45 pmChiang Mai

Mar 6

CNX12:20 amChiang Mai

21h 30m

1 stop

IAD9:50 amWashington, D.C. Dulles Intl

$910

Korean Air

Feb 2

IAD11:50 amWashington, D.C. Dulles Intl

22h 55m

1 stop

CNX10:45 pmChiang Mai

Feb 11

CNX12:20 amChiang Mai

21h 30m

1 stop

IAD9:50 amWashington, D.C. Dulles Intl

$911

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 3

IAD11:55 pmWashington, D.C. Dulles Intl

22h 40m

1 stop

CNX10:35 amChiang Mai

Mar 29

CNX11:35 amChiang Mai

21h 40m

1 stop

IAD10:15 pmWashington, D.C. Dulles Intl

$1,082

EVA Air

Nov 4

IAD11:55 pmWashington, D.C. Dulles Intl

47h 25m

2 stops

CNX11:20 amChiang Mai

Nov 10

CNX7:45 pmChiang Mai

37h 10m

2 stops

IAD8:55 pmWashington, D.C. Dulles Intl

$1,154

EVA Air

Jan 1

IAD11:55 pmWashington, D.C. Dulles Intl

22h 40m

1 stop

CNX10:35 amChiang Mai

Jan 20

CNX11:50 amChiang Mai

21h 05m

1 stop

IAD8:55 pmWashington, D.C. Dulles Intl

$1,155

momondo Fare Finder

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

Cheapest round-trip

Washington, D.C.Chiang Mai

IAD Washington, D.C. Dulles Intl - CNX Chiang Mai

IADCNX

Washington, D.C. Dulles Intl

Wed 11/4

11:50 am-10:45 pm

1 stop22h 55m

Chiang Mai

Tue 11/10

9:10 am-9:05 am

1 stop35h 55m

$851

Washington, D.C.Chiang Mai

IAD Washington, D.C. Dulles Intl - CNX Chiang Mai

IADCNX

Washington, D.C. Dulles Intl

Sun 11/8

11:50 am-10:45 pm

1 stop22h 55m

Chiang Mai

Mon 11/23

9:10 am-9:05 am

1 stop35h 55m

$880

Washington, D.C.Chiang Mai

IAD Washington, D.C. Dulles Intl - CNX Chiang Mai

IADCNX

Washington, D.C. Dulles Intl

Wed 11/4

11:50 am-10:45 pm

1 stop22h 55m

Chiang Mai

Tue 11/10

12:20 am-9:50 am

1 stop21h 30m

$881

Washington, D.C.Chiang Mai

IAD Washington, D.C. Dulles Intl - CNX Chiang Mai

IADCNX

Washington, D.C. Dulles Intl

Sun 11/8

6:32 pm-10:45 pm

2 stops40h 13m

Chiang Mai

Mon 11/23

9:10 am-9:05 am

1 stop35h 55m

$885

Washington, D.C.Chiang Mai

IAD Washington, D.C. Dulles Intl - CNX Chiang Mai

IADCNX

Washington, D.C. Dulles Intl

Thu 2/11

11:50 am-10:45 pm

1 stop22h 55m

Chiang Mai

Sat 3/6

12:20 am-9:50 am

1 stop21h 30m

$910

Washington, D.C.Chiang Mai

IAD Washington, D.C. Dulles Intl - CNX Chiang Mai

IADCNX

Washington, D.C. Dulles Intl

Thu 2/18

11:50 am-10:45 pm

1 stop22h 55m

Chiang Mai

Wed 2/24

12:20 am-9:50 am

1 stop21h 30m

$910

Washington, D.C.Chiang Mai

DCA Washington, D.C. Reagan-National - CNX Chiang Mai

DCACNX

Washington, D.C. Reagan-National

Sun 11/8

6:00 am-10:45 pm

2 stops28h 45m

Chiang Mai

Sun 11/22

12:20 am-9:47 pm

2 stops33h 27m

$922

Washington, D.C.Chiang Mai

IAD Washington, D.C. Dulles Intl - CNX Chiang Mai

IADCNX

Washington, D.C. Dulles Intl

Sun 11/8

6:00 am-10:45 pm

2 stops28h 45m

Chiang Mai

Sat 11/14

12:20 am-12:20 am

2 stops36h 00m

$923

Quickest round-trip

Washington, D.C.Chiang Mai

IAD Washington, D.C. Dulles Intl - CNX Chiang Mai

IADCNX

Washington, D.C. Dulles Intl

Wed 3/3

11:55 pm-10:35 am

1 stop22h 40m

Chiang Mai

Mon 3/29

11:35 am-10:15 pm

1 stop21h 40m

$1,082

Washington, D.C.Chiang Mai

IAD Washington, D.C. Dulles Intl - CNX Chiang Mai

IADCNX

Washington, D.C. Dulles Intl

Wed 11/4

11:55 pm-11:20 am

2 stops47h 25m

Chiang Mai

Tue 11/10

7:45 pm-8:55 pm

2 stops37h 10m

$1,154

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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 October to fly from District of Columbia, when ticket prices are also cheap, with an average price of $1,218.

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

You could potentially save up to 49% 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

Best Price Found	$401
Fastest flight time	22h 40m
Direct flights	None

The best one-way flight to Chiang Mai from District of Columbia in the past 72 hours is $401. The best round-trip flight deal from District of Columbia to Chiang Mai found on momondo in the last 72 hours is $851.

The fastest flight from District of Columbia to Chiang Mai takes 22h 40m

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.

Search flight deals

Frequently asked questions about flying from District of Columbia to Chiang Mai

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?
The number of operators available for flights from District of Columbia to Chiang Mai Airport is 3 as of September 2026.
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 Air	PriceFrom $754	Free Cancellation	Rating 8.4 1,218 reviews	Search Korean Air flights
EVA Air	PriceFrom $1,040	Free Cancellation	Rating 8.5 1,534 reviews	Search EVA Air flights
Delta	PriceFrom $1,117	Free Cancellation	Rating 7.8 8,603 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.

An easier way to manage your Chiang Mai trip

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Cheap flights from District of Columbia to Chiang Mai from $401

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Korean Air flights from District of Columbia to Chiang Mai

Our best Korean Air deals on District of Columbia to Chiang Mai flight tickets

EVA Air flights from District of Columbia to Chiang Mai

Our best EVA Air deals on District of Columbia to Chiang Mai flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from District of Columbia to Chiang Mai that are best for you.

See travel insights to Chiang Mai from

How to get the cheapest flight ticket from District of Columbia to Chiang Mai

What is the cheapest month to fly to Chiang Mai?

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

What is the cheapest airline that flies from District of Columbia to Chiang Mai?

What airlines fly to Chiang Mai?

Cheap District of Columbia to Chiang Mai flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from District of Columbia to Chiang Mai

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

Why use momondo?

An easier way to manage your Chiang Mai trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Thailand

Airports servicing Thailand

Fly your favorite airline to Chiang Mai

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Chiang Mai

List of cabin classes available on flights landing in Chiang Mai. Availability may vary depending on flight origin and airline.

Popular cities in Thailand

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from District of Columbia

According to popular flight searches on momondo this year

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