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

Qatar Airways, Delta, and Asiana Airlines are the most popular carriers operating from Washington, D.C. to Chiang Mai

How long does it take to fly to Chiang Mai?

On average, it takes 25h 55m 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 27h 39m.

What airlines fly to Chiang Mai?

Korean Air, Delta and Qatar Airways 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 67% 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 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 February 2025, 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.

$515 Discover Cheap Flights from Washington, D.C. to Chiang Mai in 2025

Q: What is the typical price of a round-trip flight between Washington, D.C. and Chiang Mai?

Prices are currently low for flights on this route. Typical prices usually range from $1,264 to $1,620. The lowest price recently found on this route was $1,151.

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

Round-trip

One-way

Last minute

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington, D.C. to Chiang Mai that have been recently found on momondo from popular airlines, departing in the coming months.

6:30 am - 11:40 pmBWI-CNX

30h 10m2 stops

6:30 am - 1:55 pmCNX-BWI

42h 25m3 stops

$1,151

Find Deal

dom., abr. 6 - dom., abr. 13

6:22 pm - 10:35 amIAD-CNX

29h 13m2 stops

11:35 am - 5:34 amCNX-IAD

28h 59m2 stops

$1,225

Find Deal

mié., mar. 26 - mié., abr. 2

9:30 pm - 1:45 pmIAD-CNX

28h 15m2 stops

7:45 pm - 5:25 pmCNX-IAD

32h 40m2 stops

$1,269Etihad Airways

Find Deal

mié., mar. 5 - mar., mar. 18

11:50 am - 11:05 pmIAD-CNX

23h 15m1 stop

3:20 pm - 10:50 amCNX-IAD

30h 30m1 stop

$1,316Korean Air

Find Deal

jue., mar. 6 - mar., mar. 18

10:30 pm - 1:45 pmIAD-CNX

28h 15m2 stops

7:45 pm - 5:25 pmCNX-IAD

32h 40m2 stops

$1,330Etihad Airways

Find Deal

jue., mar. 20 - jue., mar. 27

11:00 am - 9:20 amIAD-CNX

35h 20m2 stops

12:35 pm - 3:40 pmCNX-IAD

38h 05m2 stops

$1,340Qatar Airways

Find Deal

dom., abr. 6 - dom., abr. 13

11:00 am - 11:40 amIAD-CNX

61h 40m2 stops

12:35 pm - 3:40 pmCNX-IAD

38h 05m2 stops

$1,363Qatar Airways

Find Deal

jue., may. 8 - mié., sep. 10

12:50 pm - 2:05 pmIAD-CNX

38h 15m1 stop

3:20 pm - 10:50 amCNX-IAD

30h 30m1 stop

$1,364Korean Air

Find Deal

jue., mar. 20 - jue., mar. 27

6:00 am - 9:55 pmBWI-CNX

28h 55m2 stops

11:15 pm - 12:17 amCNX-BWI

36h 02m2 stops

$1,424Delta

Find Deal

mar., may. 6 - mié., sep. 10

6:00 am - 9:55 pmBWI-CNX

28h 55m2 stops

11:15 pm - 11:45 pmCNX-BWI

35h 30m2 stops

$1,464Delta

Find Deal

dom., may. 4 - lun., sep. 8

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

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

Etihad Airways

Mar 5

IAD9:30 pmWashington, D.C. Dulles Intl

28h 15m

2 stops

CNX1:45 pmChiang Mai

Mar 18

CNX7:45 pmChiang Mai

32h 40m

2 stops

IAD5:25 pmWashington, D.C. Dulles Intl

$1,269

Find similar

Etihad Airways

Mar 20

IAD10:30 pmWashington, D.C. Dulles Intl

28h 15m

2 stops

CNX1:45 pmChiang Mai

Mar 27

CNX7:45 pmChiang Mai

32h 40m

2 stops

IAD5:25 pmWashington, D.C. Dulles Intl

$1,330

Find similar

Etihad Airways

May 9

IAD10:05 pmWashington, D.C. Dulles Intl

26h 10m

2 stops

CNX11:15 amChiang Mai

Sep 11

CNX8:00 pmChiang Mai

31h 35m

2 stops

IAD4:35 pmWashington, D.C. Dulles Intl

$1,869

Find similar

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

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

Korean Air

Mar 6

IAD11:50 amWashington, D.C. Dulles Intl

23h 15m

1 stop

CNX11:05 pmChiang Mai

Mar 18

CNX3:20 pmChiang Mai

30h 30m

1 stop

IAD10:50 amWashington, D.C. Dulles Intl

$1,316

Find similar

Korean Air

Mar 20

IAD12:50 pmWashington, D.C. Dulles Intl

38h 15m

1 stop

CNX2:05 pmChiang Mai

Mar 27

CNX3:20 pmChiang Mai

30h 30m

1 stop

IAD10:50 amWashington, D.C. Dulles Intl

$1,364

Find similar

Korean Air

Mar 3

IAD11:50 amWashington, D.C. Dulles Intl

23h 15m

1 stop

CNX11:05 pmChiang Mai

Mar 10

CNX3:20 pmChiang Mai

30h 30m

1 stop

IAD10:50 amWashington, D.C. Dulles Intl

$1,411

Find similar

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

Other information

What is the typical price of a round-trip flight between Washington, D.C. and Chiang Mai?

What is the cheapest month to fly to Chiang Mai?

If you don’t want to visit Chiang Mai in September, then you should wait until November to fly from Washington, D.C., when ticket prices are also cheap, with an average price of $1,379.

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

The cheapest day to depart from Washington, D.C. 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 Washington, D.C. 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 Washington, D.C. 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.

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

Best Price Found	$515
Fastest flight time	21h 25m
Direct flights	None
Airports in Chiang Mai	1 airport

The best one-way flight to Chiang Mai from Washington, D.C. in the past 72 hours is $515. The best round-trip flight deal from Washington, D.C. to Chiang Mai found on momondo in the last 72 hours is $1,151.

The fastest flight from Washington, D.C. to Chiang Mai takes 21h 25m

There are no direct flights from Washington, D.C. to Chiang Mai. Popular non-direct routes for this connection are Washington, D.C. Reagan-National Airport - Chiang Mai Airport, Baltimore/Washington Airport - Chiang Mai Airport and Washington, D.C. Dulles Intl Airport - Chiang Mai Airport.

There is 1 airport near Chiang Mai: Chiang Mai (CNX)

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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 21h 25m 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 February 2025, 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 Korean Air, making up 44% of the total bookings. Other popular airlines include Delta with 34% and Qatar Airways with 22%.

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
Qatar Airways	PriceFrom $1,207	Free Cancellation	Rating 7.4 3,613 reviews	Search Qatar Airways flights
Korean Air	PriceFrom $1,364	Free Cancellation	Rating 8.4 1,037 reviews	Search Korean Air flights
Delta	PriceFrom $1,415	Free Cancellation	Rating 8.0 8,219 reviews	Search Delta 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.