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

According to our current data, Korean Air ($940), China Airlines ($1,016), and Delta ($1,029) offers the cheapest pricing from Washington, D.C. to Chiang Mai. Korean Air is 42% 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 ($477), EVA Air ($799), and Air China ($953).

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 $1,010). Flying from Washington, D.C. to Chiang Mai in December is currently the most expensive (average of $1,639). 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.

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.

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).

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 $1,638. 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.

$477+ 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	$918 (FlightHub)
One-way from	$477 (Travelocity)
Popular in	April
Cheapest in	June
Average price	$1,692

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

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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 ($107 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($78 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 1, 2025.

Wed 11/511:05 amIAD - CNX

2 stops36h 15mMultiple Airlines

Wed 11/127:45 pmCNX - IAD

2 stops25h 25mMultiple Airlines

Deal found 6/30

$918

Thu 11/66:05 amDCA - CNX

2 stops29h 00mKorean Air

Wed 11/1212:15 amCNX - DCA

2 stops29h 50mKorean Air

Deal found 6/30

$926

Thu 11/66:10 amIAD - CNX

2 stops28h 55mKorean Air

Wed 11/1212:15 amCNX - IAD

2 stops32h 58mKorean Air

Deal found 6/30

$976

Mon 9/17:00 amIAD - CNX

2 stops40h 20mChina Airlines

Tue 9/3011:20 amCNX - IAD

2 stops31h 13mChina Airlines

Deal found 7/1

$1,016

Wed 11/51:40 pmBWI - CNX

2 stops45h 25mDelta

Tue 11/1112:15 amCNX - BWI

2 stops35h 57mDelta

Deal found 6/30

$1,029

Sun 8/106:00 amDCA - CNX

2 stops28h 55mDelta

Mon 8/2511:15 pmCNX - DCA

2 stops35h 31mDelta

Deal found 6/30

$1,069

Thu 11/67:00 amIAD - CNX

2 stops28h 05mDelta

Mon 11/1012:15 amCNX - IAD

2 stops35h 00mDelta

Deal found 6/30

$1,079

Fri 8/155:45 amBWI - CNX

2 stops30h 55mMultiple Airlines

Thu 8/2112:45 amCNX - BWI

3 stops34h 14mMultiple Airlines

Deal found 7/1

$1,101

Wed 10/16:59 pmDCA - CNX

2 stops28h 21mChina Airlines

Fri 10/3111:25 amCNX - DCA

2 stops41h 28mChina Airlines

Deal found 6/30

$1,109

Sun 10/267:38 amBWI - CNX

2 stops39h 47mChina Airlines

Sat 11/1511:25 amCNX - BWI

2 stops42h 48mChina Airlines

Deal found 7/1

$1,160

Wed 8/276:59 pmDCA - CNX

2 stops28h 26mMultiple Airlines

Wed 9/2411:35 amCNX - DCA

2 stops41h 24mMultiple Airlines

Deal found 6/30

$1,166

Thu 11/66:00 amBWI - CNX

2 stops29h 05mKorean Air

Wed 11/1212:15 amCNX - BWI

2 stops35h 57mKorean Air

Deal found 6/30

$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 July 1, 2025.

Mon 9/112:15 pmIAD - CNX

2 stops34h 05mMultiple Airlines

Tue 9/3010:10 amCNX - IAD

2 stops34h 55mMultiple Airlines

Deal found 6/29

$918

Tue 8/126:00 amDCA - CNX

2 stops28h 55mKorean Air

Mon 8/2511:15 pmCNX - DCA

2 stops35h 31mKorean Air

Deal found 6/30

$940

Mon 9/17:00 amIAD - CNX

2 stops40h 20mChina Airlines

Tue 9/3011:20 amCNX - IAD

2 stops31h 13mChina Airlines

Deal found 7/1

$1,016

Wed 11/51:40 pmBWI - CNX

2 stops45h 25mDelta

Tue 11/1112:15 amCNX - BWI

2 stops35h 57mDelta

Deal found 6/30

$1,029

Sun 8/106:58 pmDCA - CNX

2 stops28h 27mEVA Air

Sat 8/2311:35 amCNX - DCA

2 stops41h 24mEVA Air

Deal found 6/30

$1,259

Thu 8/149:00 pmIAD - CNX

2 stops25h 20mQatar Airways

Thu 8/212:35 pmCNX - IAD

2 stops29h 05mQatar Airways

Deal found 6/30

$1,359

Mon 7/147:36 pmIAD - CNX

2 stops39h 19mKorean Air

Mon 7/2111:15 pmCNX - IAD

2 stops35h 10mKorean Air

Deal found 7/1

$1,054

Sun 8/106:00 amDCA - CNX

2 stops28h 55mDelta

Mon 8/2511:15 pmCNX - DCA

2 stops35h 31mDelta

Deal found 6/30

$1,069

Fri 8/155:45 amBWI - CNX

2 stops30h 55mMultiple Airlines

Thu 8/2112:45 amCNX - BWI

3 stops34h 14mMultiple Airlines

Deal found 7/1

$1,101

Thu 8/146:02 pmBWI - CNX

2 stops40h 48mAir China

Thu 8/2111:05 pmCNX - BWI

2 stops44h 01mAir China

Deal found 6/30

$2,229

Sun 10/267:38 amBWI - CNX

2 stops39h 47mChina Airlines

Sat 11/1511:25 amCNX - BWI

2 stops42h 48mChina Airlines

Deal found 7/1

$1,160

Mon 7/215:20 pmIAD - CNX

2 stops41h 35mDelta

Mon 7/2811:15 pmCNX - IAD

2 stops41h 42mDelta

Deal found 6/29

$1,134

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 July 1, 2025 and is based on user searches.

Sun 7/611:00 amIAD - CNX

2 stops37h 15mQatar Airways

Sat 7/262:40 pmCNX - IAD

2 stops29h 00mQatar Airways

Deal found 7/1

$1,498

Sun 7/612:15 pmIAD - CNX

2 stops34h 05mMultiple Airlines

Sat 7/268:00 pmCNX - IAD

3 stops34h 45mMultiple Airlines

Deal found 7/1

$1,580

Sun 7/65:02 pmDCA - CNX

2 stops30h 18mChina Airlines

Sat 7/2611:20 amCNX - DCA

2 stops41h 38mChina Airlines

Deal found 7/1

$1,644

Sun 7/66:20 amIAD - CNX

2 stops28h 35mKorean Air

Sat 7/2611:15 pmCNX - IAD

1 stop23h 00mKorean Air

Deal found 7/1

$1,970

Mon 7/147:36 pmIAD - CNX

2 stops39h 19mKorean Air

Mon 7/2111:15 pmCNX - IAD

2 stops35h 10mKorean Air

Deal found 7/1

$1,054

Mon 7/147:52 pmBWI - CNX

2 stops39h 03mKorean Air

Mon 7/2111:15 pmCNX - BWI

2 stops36h 39mKorean Air

Deal found 7/1

$1,304

Sun 8/106:00 amDCA - CNX

2 stops28h 55mDelta

Mon 8/2511:15 pmCNX - DCA

2 stops35h 31mDelta

Deal found 6/30

$1,069

Sun 8/106:58 pmDCA - CNX

2 stops28h 27mEVA Air

Sat 8/2311:35 amCNX - DCA

2 stops41h 24mEVA Air

Deal found 6/30

$1,259

Sun 8/107:30 amIAD - CNX

2 stops27h 25mDelta

Sat 8/2311:15 pmCNX - IAD

2 stops41h 40mDelta

Deal found 6/30

$1,264

Tue 8/126:00 amDCA - CNX

2 stops28h 55mKorean Air

Mon 8/2511:15 pmCNX - DCA

2 stops35h 31mKorean Air

Deal found 6/30

$940

Thu 8/149:00 pmIAD - CNX

2 stops25h 20mQatar Airways

Thu 8/212:35 pmCNX - IAD

2 stops29h 05mQatar Airways

Deal found 6/30

$1,359

Fri 8/155:45 amBWI - CNX

2 stops30h 55mMultiple Airlines

Thu 8/2112:45 amCNX - BWI

3 stops34h 14mMultiple Airlines

Deal found 7/1

$1,101

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 July 1, 2025.

Tue 8/128:59 amDCA - CNX

2 stops25h 56mKorean Air

Deal found 6/30

$477

Tue 8/126:30 amBWI - CNX

2 stops28h 25mMultiple Airlines

Deal found 7/1

$490

Tue 8/126:00 amIAD - CNX

2 stops28h 55mKorean Air

Deal found 6/30

$502

Sun 8/311:30 pmIAD - CNX

2 stops46h 30mMultiple Airlines

Deal found 7/1

$517

Tue 8/121:00 pmDCA - CNX

3 stops47h 40mMultiple Airlines

Deal found 6/30

$541

Tue 7/87:10 pmBWI - CNX

2 stops28h 15mEVA Air

Deal found 6/30

$799

Tue 7/86:58 pmDCA - CNX

2 stops28h 27mEVA Air

Deal found 6/30

$811

Tue 8/1211:00 pmIAD - CNX

1 stop35h 50mAir China

Deal found 7/1

$953

Tue 7/1510:55 amIAD - CNX

2 stops45h 15mEmirates

Deal found 6/29

$2,452

Fri 12/1210:20 pmIAD - CNX

3 stops27h 25mSWISS

Deal found 6/29

$2,691

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

Wed 11/5

11:05 am-11:20 am

2 stops36h 15m

Chiang Mai

Wed 11/12

7:45 pm-9:10 am

2 stops25h 25m

$918

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Thu 11/6

6:05 am-11:05 pm

2 stops29h 00m

Chiang Mai

Wed 11/12

12:15 am-6:05 pm

2 stops29h 50m

$926

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Thu 11/6

6:10 am-11:05 pm

2 stops28h 55m

Chiang Mai

Wed 11/12

12:15 am-9:13 pm

2 stops32h 58m

$976

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Mon 9/1

7:00 am-10:20 am

2 stops40h 20m

Chiang Mai

Tue 9/30

11:20 am-7:33 am

2 stops31h 13m

$1,016

BaltimoreChiang Mai

BWI - CNX

BWICNX

Baltimore/Washington

Wed 11/5

1:40 pm-11:05 pm

2 stops45h 25m

Chiang Mai

Tue 11/11

12:15 am-12:12 am

2 stops35h 57m

$1,029

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Sun 8/10

6:00 am-9:55 pm

2 stops28h 55m

Chiang Mai

Mon 8/25

11:15 pm-11:46 pm

2 stops35h 31m

$1,069

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Thu 11/6

7:00 am-11:05 pm

2 stops28h 05m

Chiang Mai

Mon 11/10

12:15 am-11:15 pm

2 stops35h 00m

$1,079

BaltimoreChiang Mai

BWI - CNX

BWICNX

Baltimore/Washington

Tue 9/30

7:00 am-11:40 pm

2 stops29h 40m

Chiang Mai

Tue 10/14

12:45 am-6:11 am

2 stops40h 26m

$1,098

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Wed 10/1

6:59 pm-10:20 am

2 stops28h 21m

Chiang Mai

Fri 10/31

11:25 am-5:53 pm

2 stops41h 28m

$1,109

BaltimoreChiang Mai

BWI - CNX

BWICNX

Baltimore/Washington

Sun 10/26

7:38 am-10:25 am

2 stops39h 47m

Chiang Mai

Sat 11/15

11:25 am-6:13 pm

2 stops42h 48m

$1,160

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 24 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.

How much does it cost to fly round-trip from Washington, D.C. to Chiang Mai?

Reviews of airlines servicing Chiang Mai

See what other customers who have flown with EVA Air, Korean Air, and China Airlines from Washington, D.C. to Chiang Mai have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,212 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

1,212 reviews

EVA Air

8.4

Very good

1,212 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

1,101 reviews

EVA Air

8.4

Very good

1,212 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

747 reviews

EVA Air

8.4

Very good

1,212 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

3,285 reviews

EVA Air

8.4

Very good

1,212 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

Delta

8.0

Very good

7,973 reviews

EVA Air

8.4

Very good

1,212 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, Korean Air ($940), China Airlines ($1,016), and Delta ($1,029) offers the cheapest pricing from Washington, D.C. to Chiang Mai. Korean Air is 42% 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 ($477), EVA Air ($799), and Air China ($953).
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 $1,010). Flying from Washington, D.C. to Chiang Mai in December is currently the most expensive (average of $1,639). 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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$477+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Chiang Mai with Cheapflights

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

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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 July 1, 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 July 1, 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 July 1, 2025.

How much does it cost to fly round-trip from Washington, D.C. to Chiang Mai?

Reviews of airlines servicing Chiang Mai

See what other customers who have flown with EVA Air, Korean Air, and China Airlines from Washington, D.C. to Chiang Mai have to say. You can also see how each airline compares 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 July 1, 2025.