Which airport is the most popular layover for flights between Washington, D.C. and Chiang Mai?

Incheon (ICN) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Washington, D.C. to Chiang Mai?

Flights via Incheon (ICN) offer the lowest average round-trip price of $1,176.

How long does it take to fly to Chiang Mai?

On average, it takes 26h 50m to fly from Washington, D.C. to Chiang Mai if you fly out of Washington, D.C. (the most popular airport in Washington, D.C.) and into Chiang Mai (the most popular airport in Chiang Mai). If you’re flying out of Baltimore and into Chiang Mai, then the flight time is around 28h 09m.

Which layover airport has the shortest travel time from Washington, D.C. to Chiang Mai?

Flights connecting via Abu Dhabi (AUH) have the shortest average one-way travel time: 20h 55m.

What is the cheapest airline that flies from Washington, D.C. to Chiang Mai?

Qatar Airways is the most popular carrier operating from Washington, D.C. to Chiang Mai

What airlines fly to Chiang Mai?

Korean Air, Delta and EVA Air are the top three most popular airlines that fly to Chiang Mai from Washington, D.C. according to our data. Korean Air is the first choice among our users, with 42% 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.

Which layover airport has the shortest connection time from Washington, D.C. to Chiang Mai?

Incheon (ICN) has the shortest average layover time for this route: 2h 08m.

When did momondo last update prices for flights from Washington, D.C. to Chiang Mai Airport?

Prices for flights from Washington, D.C. to Chiang Mai Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Washington, D.C. to Chiang Mai Airport?

As of April 2026, there are 3 operators available to choose from for flights from Washington, D.C. to Chiang Mai Airport.

How old do you have to be to fly from Washington, D.C. 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. 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.

$509 Cheap Flights from Washington, D.C. to Chiang Mai in 2026

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Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. to Chiang Mai

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:10 pm - 11:15 am

IAD

CNX

33h 05m

2 stops

8:50 am - 10:05 am

CNX

IAD

36h 15m

1 stop

$975Etihad Airways

Fri, Oct 9 - Sun, Oct 25

9:00 pm - 9:20 am

IAD

CNX

25h 20m

2 stops

5:05 pm - 8:20 am

CNX

IAD

27h 15m

2 stops

$1,066Multiple Airlines

Sun, Aug 30 - Tue, Nov 3

9:00 pm - 9:20 am

IAD

CNX

25h 20m

2 stops

2:35 pm - 3:40 pm

CNX

IAD

36h 05m

2 stops

$1,067Multiple Airlines

Mon, Sep 7 - Fri, Sep 18

9:00 pm - 11:15 am

IAD

CNX

27h 15m

2 stops

8:00 pm - 6:10 pm

CNX

IAD

33h 10m

2 stops

$1,070Qatar Airways

Sun, May 3 - Mon, May 11

9:00 pm - 11:15 am

IAD

CNX

27h 15m

2 stops

8:00 pm - 3:40 pm

CNX

IAD

30h 40m

2 stops

$1,078Multiple Airlines

Sun, Sep 6 - Fri, Sep 18

9:00 pm - 9:20 am

IAD

CNX

25h 20m

2 stops

2:35 pm - 3:40 pm

CNX

IAD

36h 05m

2 stops

$1,087Multiple Airlines

Mon, Sep 7 - Fri, Sep 18

9:00 pm - 1:45 pm

IAD

CNX

29h 45m

2 stops

10:10 am - 3:40 pm

CNX

IAD

40h 30m

2 stops

$1,088Qatar Airways

Mon, Aug 10 - Wed, Sep 9

9:00 pm - 1:45 pm

IAD

CNX

29h 45m

2 stops

11:55 am - 3:40 pm

CNX

IAD

38h 45m

2 stops

$1,089Qatar Airways

Mon, Aug 10 - Wed, Sep 9

9:00 pm - 7:10 pm

IAD

CNX

35h 10m

2 stops

2:35 pm - 3:40 pm

CNX

IAD

36h 05m

2 stops

$1,094Multiple Airlines

Wed, Sep 30 - Wed, Oct 7

9:00 pm - 1:45 pm

IAD

CNX

29h 45m

2 stops

8:00 pm - 3:40 pm

CNX

IAD

30h 40m

2 stops

$1,098Multiple Airlines

Mon, Aug 10 - Wed, Sep 9

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

Our best Qatar Airways deals on Washington, D.C. to Chiang Mai flight tickets

Qatar Airways

May 3

IAD9:00 pmWashington, D.C. Dulles Intl

27h 15m

2 stops

CNX11:15 amChiang Mai

May 11

CNX8:00 pmChiang Mai

33h 10m

2 stops

IAD6:10 pmWashington, D.C. Dulles Intl

$1,070

Qatar Airways

Aug 10

IAD9:00 pmWashington, D.C. Dulles Intl

29h 45m

2 stops

CNX1:45 pmChiang Mai

Sep 9

CNX10:10 amChiang Mai

40h 30m

2 stops

IAD3:40 pmWashington, D.C. Dulles Intl

$1,088

Qatar Airways

Aug 10

IAD9:00 pmWashington, D.C. Dulles Intl

29h 45m

2 stops

CNX1:45 pmChiang Mai

Sep 9

CNX11:55 amChiang Mai

38h 45m

2 stops

IAD3:40 pmWashington, D.C. Dulles Intl

$1,089

EVA Air flights from Washington, D.C. to Chiang Mai

Our best EVA Air deals on Washington, D.C. to Chiang Mai flight tickets

EVA Air

Sep 23

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

$1,199

EVA Air

Sep 30

IAD1:15 amWashington, D.C. Dulles Intl

22h 10m

1 stop

CNX10:25 amChiang Mai

Oct 5

CNX11:35 amChiang Mai

21h 25m

1 stop

IAD10:00 pmWashington, D.C. Dulles Intl

$1,232

EVA Air

Sep 7

IAD1:15 amWashington, D.C. Dulles Intl

22h 10m

1 stop

CNX10:25 amChiang Mai

Sep 18

CNX11:35 amChiang Mai

21h 25m

1 stop

IAD10:00 pmWashington, D.C. Dulles Intl

$1,243

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. 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

Fri 10/9

3:10 pm-11:15 am

2 stops33h 05m

Chiang Mai

Sun 10/25

8:50 am-10:05 am

1 stop36h 15m

$975

Quickest round-trip

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Sun 8/30

9:00 pm-9:20 am

2 stops25h 20m

Chiang Mai

Tue 11/3

5:05 pm-8:20 am

2 stops27h 15m

$1,066

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Mon 9/7

9:00 pm-9:20 am

2 stops25h 20m

Chiang Mai

Fri 9/18

2:35 pm-3:40 pm

2 stops36h 05m

$1,067

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Sun 5/3

9:00 pm-11:15 am

2 stops27h 15m

Chiang Mai

Mon 5/11

8:00 pm-6:10 pm

2 stops33h 10m

$1,070

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Sun 9/6

9:00 pm-11:15 am

2 stops27h 15m

Chiang Mai

Fri 9/18

8:00 pm-3:40 pm

2 stops30h 40m

$1,078

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Mon 9/7

9:00 pm-9:20 am

2 stops25h 20m

Chiang Mai

Fri 9/18

2:35 pm-3:40 pm

2 stops36h 05m

$1,087

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Mon 8/10

9:00 pm-1:45 pm

2 stops29h 45m

Chiang Mai

Wed 9/9

10:10 am-3:40 pm

2 stops40h 30m

$1,088

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Mon 8/10

9:00 pm-1:45 pm

2 stops29h 45m

Chiang Mai

Wed 9/9

11:55 am-3:40 pm

2 stops38h 45m

$1,089

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Wed 9/30

9:00 pm-7:10 pm

2 stops35h 10m

Chiang Mai

Wed 10/7

2:35 pm-3:40 pm

2 stops36h 05m

$1,094

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Mon 8/10

9:00 pm-1:45 pm

2 stops29h 45m

Chiang Mai

Wed 9/9

8:00 pm-3:40 pm

2 stops30h 40m

$1,098

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 Washington, D.C. 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

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Other information

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

You could potentially save up to 23% on your flight if you consider stops on a Washington, D.C. to Chiang Mai flight.

When to book flights from Washington, D.C. to Chiang Mai

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. 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. to Chiang Mai (WAS to CNX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Chiang Mai

Fastest flight time	25h 20m
Direct flights	None

The fastest flight from Washington, D.C. to Chiang Mai takes 25h 20m

There are no direct flights from Washington, D.C. to Chiang Mai. There are no popular flight routes from Washington, D.C. to Chiang Mai.

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Frequently asked questions about flying from Washington, D.C. to Chiang Mai

How far is Washington, D.C. to Chiang Mai by plane?
Chiang Mai is 8436.4 mi away from Washington, D.C.. Typically, this will take 25h 20m by plane in normal conditions.
When did momondo last update prices for flights from Washington, D.C. to Chiang Mai Airport?
Prices for flights from Washington, D.C. to Chiang Mai Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. to Chiang Mai Airport?
As of April 2026, there are 3 operators available to choose from for flights from Washington, D.C. to Chiang Mai Airport.
How old do you have to be to fly from Washington, D.C. 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. 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. to Chiang Mai?
Based on momondo bookings for flights between Washington, D.C. and Chiang Mai, the leading airline is Delta, making up 49% of the total bookings. Other popular airlines include Korean Air with 31% and EVA Air with 20%.

Best airlines flying from Washington, D.C. to Chiang Mai

Compare and see reviews for airlines that fly from Washington, D.C. to Chiang Mai with momondo

Airline	Rating	Free Cancellation	Price
Korean Air	PriceFrom $673	Free Cancellation	Rating 8.4 1,208 reviews	Search Korean Air flights
Delta	PriceFrom $798	Free Cancellation	Rating 7.9 8,406 reviews	Search Delta flights
EVA Air	PriceFrom $1,235	Free Cancellation	Rating 8.5 1,417 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?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Chiang Mai. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to Chiang Mai with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Chiang Mai flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. 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 Washington, D.C. to Chiang Mai.

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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Cheap flights from Washington, D.C. to Chiang Mai from $472

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. to Chiang Mai departing on 4/20. 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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Qatar Airways flights from Washington, D.C. to Chiang Mai

Our best Qatar Airways deals on Washington, D.C. to Chiang Mai flight tickets

EVA Air flights from Washington, D.C. to Chiang Mai

Our best EVA Air deals on Washington, D.C. to Chiang Mai flight tickets

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Use the filters below to find and compare flights from Washington, D.C. to Chiang Mai that are best for you.

See travel insights to Chiang Mai from

How to get the cheapest flight ticket from Washington, D.C. to Chiang Mai

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

What is the cheapest airline that flies from Washington, D.C. to Chiang Mai?

What airlines fly to Chiang Mai?

Which airport is the most popular layover for flights between Washington, D.C. and Chiang Mai?

Which layover airport offers the lowest fares from Washington, D.C. to Chiang Mai?

Which layover airport has the shortest travel time from Washington, D.C. to Chiang Mai?

Which layover airport has the shortest connection time from Washington, D.C. to Chiang Mai?

How long does it take to fly to Chiang Mai?

When to book flights from Washington, D.C. to Chiang Mai

Cheap Washington, D.C. to Chiang Mai (WAS to CNX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Chiang Mai

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. to Chiang Mai

Best airlines flying from Washington, D.C. to Chiang Mai

Compare and see reviews for airlines that fly from Washington, D.C. 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

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Fly your favorite airline to Chiang Mai

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

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

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