What are the cheapest airlines flying from Washington, D.C. to Chiang Mai round-trip?

According to our current data, Delta ($1,028), Korean Air ($1,048), and China Airlines ($1,048) offers the cheapest pricing from Washington, D.C. to Chiang Mai. Delta is 37% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Washington, D.C. to Chiang Mai one-way?

The cheapest airlines for a one-way flight from Washington, D.C. to Chiang Mai are Korean Air ($623), Delta ($642), and Qatar Airways ($737).

What is the cheapest month to book a flight from Washington, D.C. to Chiang Mai?

Currently, April is the cheapest month in which you can book a flight from Washington, D.C. to Chiang Mai (average of $1,012). Flying from Washington, D.C. to Chiang Mai in December is currently the most expensive (average of $1,655). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Washington, D.C. to Chiang Mai?

Travelers seeking maximum savings on their Washington, D.C. to Chiang Mai flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular routes from Washington, D.C. to Chiang Mai?

When deciding which route to take from Washington, D.C. to Chiang Mai consider Washington, D.C. Dulles Intl - Chiang Mai, Washington, D.C. Reagan-National - Chiang Mai or Baltimore/Washington - Chiang Mai as they are the most popular.

What is the cheapest day to fly round-trip from Washington, D.C. to Chiang Mai?

Flights from Washington, D.C. to Chiang Mai are found to be more expensive on Friday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Chiang Mai.

What is the cheapest month to fly from Washington, D.C. to Chiang Mai?

June can be a great time to fly to Chiang Mai from Washington, D.C. with a flight ticket averaging about $1,639. Cheapflights users have found deals in the month of June for as cheap as $1,187. The most expensive prices can be found in the month of April.

What airport do you fly into for flights to Chiang Mai from Washington, D.C.?

For a flight from Washington, D.C. to Chiang Mai, you will be flying into Chiang Mai. Chiang Mai (CNX) is just 1.9 mi from the center of the city. Chiang Mai is the only Chiang Mai airport and it handles 0 inbound flights from Washington, D.C. per day. 1 airline has flights to Chiang Mai from Washington, D.C. on a regular basis.

Can I find deals for flights from Washington, D.C. to Chiang Mai that include hotel bookings?

Yes. In addition to deals on Washington, D.C. to Chiang Mai flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington, D.C. to Chiang Mai?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Chiang Mai.

Can I find deals for business class flights from Washington, D.C. to Chiang Mai?

Yes. Cheapflights offers flight deals from Washington, D.C. to Chiang Mai by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$542+ Flights from Washington, D.C. to Chiang Mai

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Cheap flight deals from Washington, D.C. to Chiang Mai

Round-trip from	$931 (Gurufare)
One-way from	$542 (Kiwi.com)
Popular in	April
Cheapest in	June
Average price	$1,187

From Washington, D.C. (WAS) to Chiang Mai

Search Deals

One-way flight from Washington, D.C. (WAS) to Chiang Mai

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($106 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($77 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Find flight deals from Washington, D.C. to Chiang Mai

Cheapest flights from Washington, D.C. to Chiang Mai
Explore the most affordable flight options available from Washington, D.C. to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Mon 9/112:25 pmIAD - CNX

2 stops38h 20mMultiple Airlines

Tue 9/303:30 pmCNX - IAD

2 stops29h 35mMultiple Airlines

Deal found 6/11

$931

Mon 8/116:09 pmDCA - CNX

2 stops40h 46mDelta

Mon 8/2511:15 pmCNX - DCA

2 stops44h 56mDelta

Deal found 6/10

$1,028

Wed 11/126:05 amDCA - CNX

2 stops29h 00mKorean Air

Sun 2/1512:15 amCNX - DCA

2 stops25h 10mKorean Air

Deal found 6/12

$1,034

Mon 9/85:10 pmIAD - CNX

2 stops41h 45mKorean Air

Mon 9/1511:15 pmCNX - IAD

1 stop22h 40mKorean Air

Deal found 6/11

$1,048

Sun 9/75:06 pmDCA - CNX

2 stops30h 14mChina Airlines

Wed 9/1711:20 amCNX - DCA

2 stops44h 39mChina Airlines

Deal found 6/11

$1,048

Mon 8/186:13 pmIAD - CNX

2 stops29h 07mChina Airlines

Sun 8/3111:20 amCNX - IAD

2 stops31h 12mChina Airlines

Deal found 6/12

$1,067

Wed 8/136:58 pmDCA - CNX

2 stops41h 42mMultiple Airlines

Fri 8/2912:45 amCNX - DCA

2 stops55h 14mMultiple Airlines

Deal found 6/11

$1,086

Wed 11/1211:50 amIAD - CNX

1 stop23h 15mDelta

Sun 2/1512:15 amCNX - IAD

2 stops35h 01mDelta

Deal found 6/12

$1,124

Wed 9/106:09 pmIAD - CNX

2 stops29h 16mEVA Air

Mon 9/1511:35 amCNX - IAD

2 stops30h 57mEVA Air

Deal found 6/12

$1,137

Wed 9/107:22 pmBWI - CNX

2 stops28h 03mMultiple Airlines

Wed 9/2411:35 amCNX - BWI

2 stops28h 58mMultiple Airlines

Deal found 6/10

$1,156

Mon 8/185:02 pmDCA - CNX

2 stops30h 23mEVA Air

Sun 8/3111:35 amCNX - DCA

2 stops41h 24mEVA Air

Deal found 6/12

$1,185

Wed 11/126:00 amBWI - CNX

2 stops29h 05mKorean Air

Sun 2/1512:15 amCNX - BWI

2 stops26h 32mKorean Air

Deal found 6/12

$1,204

Best flights from Washington, D.C. to Chiang Mai
Discover carefully curated flight deals from Washington, D.C. to Chiang Mai that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Mon 9/112:25 pmIAD - CNX

2 stops38h 20mMultiple Airlines

Tue 9/303:30 pmCNX - IAD

2 stops29h 35mMultiple Airlines

Deal found 6/11

$931

Mon 8/116:09 pmDCA - CNX

2 stops40h 46mDelta

Mon 8/2511:15 pmCNX - DCA

2 stops44h 56mDelta

Deal found 6/10

$1,028

Mon 9/85:10 pmIAD - CNX

2 stops41h 45mKorean Air

Mon 9/1511:15 pmCNX - IAD

1 stop22h 40mKorean Air

Deal found 6/11

$1,048

Sun 9/75:06 pmDCA - CNX

2 stops30h 14mChina Airlines

Wed 9/1711:20 amCNX - DCA

2 stops44h 39mChina Airlines

Deal found 6/11

$1,048

Mon 8/185:02 pmDCA - CNX

2 stops30h 23mEVA Air

Sun 8/3111:35 amCNX - DCA

2 stops41h 24mEVA Air

Deal found 6/12

$1,185

Mon 8/1810:55 amIAD - CNX

2 stops45h 15mEmirates

Sun 8/3110:10 amCNX - IAD

2 stops33h 30mEmirates

Deal found 6/11

$1,349

Sun 8/1011:00 amIAD - CNX

2 stops35h 20mQatar Airways

Sat 8/232:40 pmCNX - IAD

2 stops36h 00mQatar Airways

Deal found 6/11

$1,388

Fri 11/219:30 pmIAD - CNX

2 stops25h 50mEtihad Airways

Sat 12/68:45 amCNX - IAD

1 stop43h 20mEtihad Airways

Deal found 6/10

$1,573

Mon 8/188:30 amIAD - CNX

2 stops28h 10mAsiana Airlines

Sat 8/3012:45 amCNX - IAD

2 stops31h 36mAsiana Airlines

Deal found 6/11

$1,582

Sun 9/710:15 pmIAD - CNX

3 stops28h 30mSWISS

Wed 9/178:00 pmCNX - IAD

3 stops52h 55mSWISS

Deal found 6/11

$1,619

Thu 7/1012:35 pmIAD - CNX

2 stops46h 15mAir China

Thu 7/1711:05 pmCNX - IAD

1 stop31h 25mAir China

Deal found 6/11

$1,998

Mon 8/186:13 pmIAD - CNX

2 stops29h 07mChina Airlines

Sun 8/3111:20 amCNX - IAD

2 stops31h 12mChina Airlines

Deal found 6/12

$1,067

Last-minute flights from Washington, D.C. to Chiang Mai
Discover last-minute flight deals from Washington, D.C. to Chiang Mai. Data last updated June 12, 2025 and is based on user searches.

Sun 7/61:30 pmIAD - CNX

1 stop22h 30mMultiple Airlines

Sun 7/1311:15 pmCNX - IAD

2 stops36h 19mMultiple Airlines

Deal found 6/12

$1,218

Sun 7/66:20 amIAD - CNX

2 stops28h 35mKorean Air

Sun 7/1311:15 pmCNX - IAD

2 stops36h 19mKorean Air

Deal found 6/12

$1,329

Sun 7/66:10 amDCA - CNX

2 stops28h 45mKorean Air

Sun 7/1311:15 pmCNX - DCA

2 stops35h 27mKorean Air

Deal found 6/12

$1,329

Thu 7/108:19 pmIAD - CNX

2 stops27h 06mEVA Air

Thu 7/1711:35 amCNX - IAD

2 stops30h 52mEVA Air

Deal found 6/11

$1,418

Thu 7/106:58 pmDCA - CNX

2 stops28h 27mEVA Air

Thu 7/1711:35 amCNX - DCA

2 stops45h 07mEVA Air

Deal found 6/11

$1,500

Mon 7/146:20 amIAD - CNX

2 stops28h 35mDelta

Mon 7/2111:15 pmCNX - IAD

2 stops35h 10mDelta

Deal found 6/9

$1,154

Mon 7/146:10 amDCA - CNX

2 stops28h 45mDelta

Wed 7/1611:15 pmCNX - DCA

2 stops28h 50mDelta

Deal found 6/9

$1,364

Mon 7/146:00 amBWI - CNX

2 stops28h 55mDelta

Mon 7/2111:15 pmCNX - BWI

2 stops32h 33mDelta

Deal found 6/9

$1,404

Mon 7/1410:55 amIAD - CNX

2 stops45h 15mEmirates

Tue 7/2210:10 amCNX - IAD

2 stops57h 30mEmirates

Deal found 6/9

$1,586

Wed 7/1611:00 amIAD - CNX

2 stops63h 40mQatar Airways

Sun 7/2012:35 pmCNX - IAD

2 stops31h 05mQatar Airways

Deal found 6/9

$1,546

Fri 7/257:59 pmIAD - CNX

2 stops27h 21mChina Airlines

Fri 8/111:20 amCNX - IAD

2 stops30h 30mChina Airlines

Deal found 6/10

$1,613

Sat 7/266:30 amBWI - CNX

3 stops30h 10mMultiple Airlines

Fri 8/112:45 amCNX - BWI

3 stops34h 05mMultiple Airlines

Deal found 6/11

$1,528

One-way flights from Washington, D.C. to Chiang Mai
Search for one-way flight options from Washington, D.C. to Chiang Mai. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Thu 7/311:30 pmIAD - CNX

3 stops57h 35mMultiple Airlines

Deal found 6/10

$542

Thu 7/316:30 amBWI - CNX

3 stops37h 55mMultiple Airlines

Deal found 6/10

$553

Sun 8/107:02 amIAD - CNX

2 stops27h 53mKorean Air

Deal found 6/10

$623

Sun 8/108:00 amDCA - CNX

3 stops36h 25mMultiple Airlines

Deal found 6/10

$626

Sat 8/26:20 pmDCA - CNX

2 stops40h 35mKorean Air

Deal found 6/10

$634

Sun 8/108:00 amDCA - CNX

2 stops26h 55mDelta

Deal found 6/10

$642

Sun 8/106:53 amBWI - CNX

2 stops28h 02mDelta

Deal found 6/10

$709

Thu 7/319:00 pmIAD - CNX

2 stops51h 40mQatar Airways

Deal found 6/10

$737

Thu 7/319:59 amDCA - CNX

2 stops37h 26mEVA Air

Deal found 6/10

$768

Wed 7/28:10 amIAD - CNX

2 stops39h 15mEVA Air

Deal found 6/12

$811

Thu 7/316:02 pmBWI - CNX

2 stops40h 48mAir China

Deal found 6/10

$900

Wed 7/27:51 amBWI - CNX

2 stops39h 34mEVA Air

Deal found 6/10

$921

Cheapflights 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

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Mon 9/1

12:25 pm-1:45 pm

2 stops38h 20m

Chiang Mai

Tue 9/30

3:30 pm-10:05 am

2 stops29h 35m

$931

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Mon 8/11

6:09 pm-9:55 pm

2 stops40h 46m

Chiang Mai

Mon 8/25

11:15 pm-9:11 am

2 stops44h 56m

$1,028

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Mon 9/8

5:10 pm-9:55 pm

2 stops41h 45m

Chiang Mai

Mon 9/15

11:15 pm-10:55 am

1 stop22h 40m

$1,048

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Sun 9/7

5:06 pm-10:20 am

2 stops30h 14m

Chiang Mai

Wed 9/17

11:20 am-8:59 pm

2 stops44h 39m

$1,048

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Mon 8/18

6:13 pm-10:20 am

2 stops29h 07m

Chiang Mai

Sun 8/31

11:20 am-7:32 am

2 stops31h 12m

$1,067

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Wed 8/13

6:58 pm-11:40 pm

2 stops41h 42m

Chiang Mai

Fri 8/29

12:45 am-8:59 pm

2 stops55h 14m

$1,086

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Wed 9/10

6:09 pm-10:25 am

2 stops29h 16m

Chiang Mai

Mon 9/15

11:35 am-7:32 am

2 stops30h 57m

$1,137

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Mon 7/14

6:20 am-9:55 pm

2 stops28h 35m

Chiang Mai

Mon 7/21

11:15 pm-11:25 pm

2 stops35h 10m

$1,154

BaltimoreChiang Mai

BWI - CNX

BWICNX

Baltimore/Washington

Wed 9/10

7:22 pm-10:25 am

2 stops28h 03m

Chiang Mai

Wed 9/24

11:35 am-5:33 am

2 stops28h 58m

$1,156

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Mon 8/18

5:02 pm-10:25 am

2 stops30h 23m

Chiang Mai

Sun 8/31

11:35 am-5:59 pm

2 stops41h 24m

$1,185

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 34 results

Best time to book a flight from Washington, D.C. to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from Washington, D.C. with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Chiang Mai

What is the cheapest time of day to fly from WAS to CNX?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 25% on flights from Washington, D.C. to Chiang Mai by exploring options for tickets in the evening.

Rainfall in Chiang Mai by month

In terms of precipitation, rainfall in Chiang Mai ranges from 0.0 - 9.8 inches per month. September is typically the wettest month, when rainfall can reach 9.8 in. January is typically the driest time to visit Chiang Mai when rainfall is around 0.0 in.

Temperature in Chiang Mai by month

If weather is an important factor for your trip to Chiang Mai, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

Reviews of airlines servicing Chiang Mai

Read through reviews of airlines operating flights from Washington, D.C. to Chiang Mai, such as EVA Air, Korean Air and China Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

EVA Air

8.4

Very good

1,202 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Korean Air

8.4

Very good

1,088 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

China Airlines

8.3

Very good

738 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Asiana Airlines

8.2

Very good

440 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Emirates

8.1

Very good

3,264 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

What airport do you fly into for flights to Chiang Mai from Washington, D.C.?
For a flight from Washington, D.C. to Chiang Mai, you will be flying into Chiang Mai. Chiang Mai (CNX) is just 1.9 mi from the center of the city. Chiang Mai is the only Chiang Mai airport and it handles 0 inbound flights from Washington, D.C. per day. 1 airline has flights to Chiang Mai from Washington, D.C. on a regular basis.
What are the cheapest airlines flying from Washington, D.C. to Chiang Mai round-trip?
According to our current data, Delta ($1,028), Korean Air ($1,048), and China Airlines ($1,048) offers the cheapest pricing from Washington, D.C. to Chiang Mai. Delta is 37% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Washington, D.C. to Chiang Mai one-way?
The cheapest airlines for a one-way flight from Washington, D.C. to Chiang Mai are Korean Air ($623), Delta ($642), and Qatar Airways ($737).
What are the most popular routes from Washington, D.C. to Chiang Mai?
When deciding which route to take from Washington, D.C. to Chiang Mai consider Washington, D.C. Dulles Intl - Chiang Mai, Washington, D.C. Reagan-National - Chiang Mai or Baltimore/Washington - Chiang Mai as they are the most popular.
Can I find deals for flights from Washington, D.C. to Chiang Mai that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Chiang Mai flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Chiang Mai?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Chiang Mai.
Can I find deals for business class flights from Washington, D.C. to Chiang Mai?
Yes. Cheapflights offers flight deals from Washington, D.C. to Chiang Mai by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. to Chiang Mai?
Currently, April is the cheapest month in which you can book a flight from Washington, D.C. to Chiang Mai (average of $1,012). Flying from Washington, D.C. to Chiang Mai in December is currently the most expensive (average of $1,655). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Washington, D.C. to Chiang Mai

Airline	Cheapest	Average	Flexibility	On-time
Korean Air	Cheapest$1,057	Average$1,785	FlexibilityNo cancel fee	On-time81%

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$542+ Cheap flights from Washington, D.C. (WAS) to Chiang Mai (CNX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/31. Fares are subject to change and may not be available on all flights or dates of travel.

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Find flight deals from Washington, D.C. to Chiang Mai

Cheapest flights from Washington, D.C. to Chiang MaiExplore the most affordable flight options available from Washington, D.C. to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Explore the most affordable flight options available from Washington, D.C. to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Washington, D.C. to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from Washington, D.C. with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Chiang Mai

What is the cheapest time of day to fly from WAS to CNX?

Find hourly flight availability from Washington, D.C. to Chiang Mai. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Rainfall in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average rainfall totals by month.

Temperature in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average temperature totals by month.

Reviews of airlines servicing Chiang Mai

Read through reviews of airlines operating flights from Washington, D.C. to Chiang Mai, such as EVA Air, Korean Air and China Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Chiang Mai. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Chiang Mai from Washington, D.C.?

What are the cheapest airlines flying from Washington, D.C. to Chiang Mai round-trip?

What are the cheapest airlines to fly from Washington, D.C. to Chiang Mai one-way?

What are the most popular routes from Washington, D.C. to Chiang Mai?

Can I find deals for flights from Washington, D.C. to Chiang Mai that include hotel bookings?

How can I find direct flights from Washington, D.C. to Chiang Mai?

Can I find deals for business class flights from Washington, D.C. to Chiang Mai?

What is the cheapest month to book a flight from Washington, D.C. to Chiang Mai?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to Chiang Mai

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Washington, D.C. to Chiang Mai

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Cheapest flights from Washington, D.C. to Chiang Mai
Explore the most affordable flight options available from Washington, D.C. to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.