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

To fly one-way, consider booking your trip with Korean Air, which is currently one of the cheapest options available, starting at $650. Delta flights start at $661 while deals on China Airlines start at $708 one-way.

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

Currently, August is the cheapest month in which you can book a flight from Chiang Mai to Washington, D.C. (average of $241). Flying from Chiang Mai to Washington, D.C. in March is currently the most expensive (average of $290). 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 Chiang Mai to Washington, D.C.?

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

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

The most popular flight routes from Chiang Mai to Washington, D.C. are Chiang Mai - Washington, D.C. Dulles Intl, Chiang Mai - Baltimore/Washington and Chiang Mai - Washington, D.C. Reagan-National.

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

It’s generally more expensive to depart on a Tuesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chiang Mai to Washington, D.C. as you normally would.

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

If you book a flight to Washington, D.C. from Chiang Mai, you will be flying from Chiang Mai, which is the city’s only airport. Chiang Mai (CNX) is located 1.9 mi from the center of Chiang Mai. There are 0 flights from Chiang Mai to Washington, D.C. per day from 1 airline.

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

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

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

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

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

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

$614+ Flights from Chiang Mai to Washington, D.C.

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

Round-trip from	$1,093 (Delta)
One-way from	$614 (Kiwi.com)

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

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

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

Cheapest flights from Chiang Mai to Washington, D.C.
Explore the most affordable flight options available from Chiang Mai to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juillet 30, 2025.

lun. 9/111:15 pmCNX - IAD

2 stops35h 06mDelta

ven. 9/56:00 amIAD - CNX

2 stops28h 55mDelta

Deal found 7/30

$1,093

dim. 9/711:35 amCNX - IAD

2 stops30h 58mMultiple Airlines

ven. 9/126:09 pmIAD - CNX

2 stops29h 16mMultiple Airlines

Deal found 7/30

$1,143

dim. 9/711:20 amCNX - DCA

2 stops44h 39mMultiple Airlines

ven. 9/128:59 amDCA - CNX

2 stops38h 21mMultiple Airlines

Deal found 7/30

$1,153

dim. 9/712:45 amCNX - BWI

2 stops39h 54mMultiple Airlines

sam. 9/137:00 amBWI - CNX

2 stops29h 40mMultiple Airlines

Deal found 7/30

$1,180

lun. 8/411:05 pmCNX - IAD

1 stop31h 25mAir China

mar. 9/911:00 pmIAD - CNX

1 stop35h 50mAir China

Deal found 7/29

$1,219

lun. 8/411:35 amCNX - IAD

2 stops39h 50mEVA Air

mar. 9/96:09 pmIAD - CNX

2 stops29h 16mEVA Air

Deal found 7/30

$1,293

lun. 8/411:35 amCNX - DCA

2 stops45h 07mEVA Air

mar. 9/98:59 amDCA - CNX

2 stops38h 26mEVA Air

Deal found 7/30

$1,395

dim. 9/78:00 pmCNX - IAD

2 stops30h 40mQatar Airways

ven. 9/129:00 pmIAD - CNX

2 stops29h 45mQatar Airways

Deal found 7/30

$1,416

lun. 9/811:15 pmCNX - IAD

1 stop22h 40mKorean Air

sam. 9/131:15 pmIAD - CNX

1 stop44h 30mKorean Air

Deal found 7/30

$1,452

jeu. 12/1810:10 amCNX - IAD

2 stops34h 00mEmirates

ven. 1/210:30 amIAD - CNX

2 stops36h 50mEmirates

Deal found 7/30

$1,622

dim. 8/312:45 amCNX - BWI

2 stops40h 36mAsiana Airlines

mar. 9/97:00 amBWI - CNX

2 stops29h 40mAsiana Airlines

Deal found 7/30

$1,740

mer. 12/1712:15 amCNX - BWI

2 stops34h 41mDelta

ven. 1/25:24 pmBWI - CNX

2 stops41h 41mDelta

Deal found 7/29

$1,772

Best flights from Chiang Mai to Washington, D.C.
Discover carefully curated flight deals from Chiang Mai to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated juillet 30, 2025.

lun. 9/111:15 pmCNX - IAD

2 stops35h 06mDelta

ven. 9/56:00 amIAD - CNX

2 stops28h 55mDelta

Deal found 7/30

$1,093

dim. 9/711:35 amCNX - IAD

2 stops30h 58mMultiple Airlines

ven. 9/126:09 pmIAD - CNX

2 stops29h 16mMultiple Airlines

Deal found 7/30

$1,143

jeu. 12/1811:05 pmCNX - IAD

1 stop31h 25mAir China

ven. 1/210:00 pmIAD - CNX

1 stop35h 50mAir China

Deal found 7/30

$1,286

dim. 9/78:00 pmCNX - IAD

2 stops30h 40mQatar Airways

ven. 9/129:00 pmIAD - CNX

2 stops29h 45mQatar Airways

Deal found 7/30

$1,416

lun. 9/811:15 pmCNX - IAD

1 stop22h 40mKorean Air

sam. 9/131:15 pmIAD - CNX

1 stop44h 30mKorean Air

Deal found 7/30

$1,452

jeu. 12/1810:10 amCNX - IAD

2 stops34h 00mEmirates

ven. 1/210:30 amIAD - CNX

2 stops36h 50mEmirates

Deal found 7/30

$1,622

dim. 9/711:20 amCNX - DCA

2 stops44h 39mMultiple Airlines

ven. 9/128:59 amDCA - CNX

2 stops38h 21mMultiple Airlines

Deal found 7/30

$1,153

dim. 9/712:45 amCNX - BWI

2 stops39h 54mMultiple Airlines

sam. 9/137:00 amBWI - CNX

2 stops29h 40mMultiple Airlines

Deal found 7/30

$1,180

mer. 12/1712:15 amCNX - BWI

2 stops34h 41mDelta

ven. 1/25:24 pmBWI - CNX

2 stops41h 41mDelta

Deal found 7/29

$1,772

dim. 9/2811:20 amCNX - BWI

2 stops29h 19mChina Airlines

lun. 9/297:37 pmBWI - CNX

2 stops27h 43mChina Airlines

Deal found 7/30

$5,636

dim. 9/2811:20 amCNX - DCA

2 stops44h 39mChina Airlines

dim. 12/79:30 amDCA - CNX

2 stops36h 55mChina Airlines

Deal found 7/30

$6,030

dim. 9/2811:15 pmCNX - DCA

2 stops29h 05mDelta

dim. 12/77:00 amDCA - CNX

2 stops28h 05mDelta

Deal found 7/30

$7,551

Last-minute flights from Chiang Mai to Washington, D.C.
Discover last-minute flight deals from Chiang Mai to Washington, D.C.. Data last updated juillet 30, 2025 and is based on user searches.

dim. 8/312:45 amCNX - BWI

2 stops40h 36mAsiana Airlines

mar. 9/97:00 amBWI - CNX

2 stops29h 40mAsiana Airlines

Deal found 7/30

$1,740

lun. 8/411:05 pmCNX - IAD

1 stop31h 25mAir China

mar. 9/911:00 pmIAD - CNX

1 stop35h 50mAir China

Deal found 7/29

$1,219

lun. 8/411:35 amCNX - IAD

2 stops39h 50mEVA Air

mar. 9/96:09 pmIAD - CNX

2 stops29h 16mEVA Air

Deal found 7/30

$1,293

lun. 8/411:35 amCNX - DCA

2 stops45h 07mEVA Air

mar. 9/98:59 amDCA - CNX

2 stops38h 26mEVA Air

Deal found 7/30

$1,395

lun. 8/411:55 amCNX - IAD

2 stops42h 35mMultiple Airlines

mar. 9/911:00 pmIAD - CNX

1 stop35h 50mMultiple Airlines

Deal found 7/30

$1,488

lun. 8/411:35 amCNX - BWI

2 stops28h 53mMultiple Airlines

mar. 9/97:37 pmBWI - CNX

2 stops27h 48mMultiple Airlines

Deal found 7/30

$1,848

dim. 8/2412:45 amCNX - BWI

2 stops39h 48mMultiple Airlines

sam. 8/307:22 pmBWI - CNX

2 stops41h 18mMultiple Airlines

Deal found 7/30

$1,316

dim. 8/2412:45 amCNX - IAD

2 stops55h 36mAsiana Airlines

ven. 8/297:00 amIAD - CNX

2 stops29h 40mAsiana Airlines

Deal found 7/30

$1,788

lun. 8/2511:15 pmCNX - IAD

2 stops41h 40mDelta

sam. 8/305:25 pmIAD - CNX

2 stops41h 30mDelta

Deal found 7/30

$1,093

lun. 8/2511:15 pmCNX - IAD

1 stop23h 00mMultiple Airlines

sam. 8/305:25 pmIAD - CNX

2 stops41h 30mMultiple Airlines

Deal found 7/30

$1,310

lun. 8/2511:15 pmCNX - IAD

1 stop23h 00mKorean Air

ven. 8/291:30 pmIAD - CNX

1 stop44h 15mKorean Air

Deal found 7/30

$1,459

lun. 8/2511:35 amCNX - DCA

2 stops41h 24mMultiple Airlines

sam. 8/306:59 pmDCA - CNX

2 stops28h 26mMultiple Airlines

Deal found 7/30

$1,495

One-way flights from Chiang Mai to Washington, D.C.
Search for one-way flight options from Chiang Mai to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated juillet 30, 2025.

mar. 8/195:20 pmCNX - BWI

3 stops39h 49mMultiple Airlines

Deal found 7/30

$614

jeu. 11/1312:15 amCNX - IAD

1 stop21h 35mKorean Air

Deal found 7/30

$650

sam. 8/2311:15 pmCNX - IAD

2 stops41h 40mDelta

Deal found 7/30

$661

ven. 11/1411:25 amCNX - DCA

2 stops42h 33mChina Airlines

Deal found 7/30

$708

jeu. 11/1312:15 amCNX - DCA

2 stops29h 12mDelta

Deal found 7/29

$715

ven. 11/147:45 pmCNX - IAD

2 stops32h 10mMultiple Airlines

Deal found 7/30

$774

mar. 8/1912:45 amCNX - IAD

2 stops34h 45mAsiana Airlines

Deal found 7/30

$934

mar. 8/1912:45 amCNX - DCA

2 stops31h 14mAsiana Airlines

Deal found 7/30

$936

mer. 8/1311:35 amCNX - IAD

2 stops30h 15mEVA Air

Deal found 7/30

$999

ven. 8/159:10 pmCNX - IAD

2 stops33h 35mTurkish Airlines

Deal found 7/30

$1,044

dim. 8/1012:35 amCNX - DCA

3 stops56h 07mMultiple Airlines

Deal found 7/30

$1,044

mar. 8/1212:45 amCNX - BWI

2 stops40h 36mAsiana Airlines

Deal found 7/30

$1,104

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

lun. 9/1

11:15 pm-11:21 pm

2 stops35h 06m

Washington, D.C. Dulles Intl

ven. 9/5

6:00 am-9:55 pm

2 stops28h 55m

$1,093

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

dim. 9/7

11:35 am-7:33 am

2 stops30h 58m

Washington, D.C. Dulles Intl

ven. 9/12

6:09 pm-10:25 am

2 stops29h 16m

$1,143

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

dim. 9/7

11:20 am-8:59 pm

2 stops44h 39m

Washington, D.C. Reagan-National

ven. 9/12

8:59 am-10:20 am

2 stops38h 21m

$1,153

Chiang MaiBaltimore

CNX - BWI

CNXBWI

Chiang Mai

dim. 9/7

12:45 am-5:39 am

2 stops39h 54m

Baltimore/Washington

sam. 9/13

7:00 am-11:40 pm

2 stops29h 40m

$1,180

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

jeu. 12/18

11:05 pm-6:30 pm

1 stop31h 25m

Washington, D.C. Dulles Intl

ven. 1/2

10:00 pm-9:50 pm

1 stop35h 50m

$1,286

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

dim. 9/7

8:00 pm-3:40 pm

2 stops30h 40m

Washington, D.C. Dulles Intl

ven. 9/12

9:00 pm-1:45 pm

2 stops29h 45m

$1,416

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

lun. 9/8

11:15 pm-10:55 am

1 stop22h 40m

Washington, D.C. Dulles Intl

sam. 9/13

1:15 pm-8:45 pm

1 stop44h 30m

$1,452

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

jeu. 12/18

10:10 am-8:10 am

2 stops34h 00m

Washington, D.C. Dulles Intl

ven. 1/2

10:30 am-11:20 am

2 stops36h 50m

$1,622

Chiang MaiBaltimore

CNX - BWI

CNXBWI

Chiang Mai

mer. 12/17

12:15 am-10:56 pm

2 stops34h 41m

Baltimore/Washington

ven. 1/2

5:24 pm-11:05 pm

2 stops41h 41m

$1,772

Chiang MaiBaltimore

CNX - BWI

CNXBWI

Chiang Mai

dim. 9/28

11:20 am-5:39 am

2 stops29h 19m

Baltimore/Washington

lun. 9/29

7:37 pm-10:20 am

2 stops27h 43m

$5,636

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 32 results

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

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

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Washington, D.C.

Get a feel of what it's like to fly with EVA Air, Korean Air, and China Airlines from Chiang Mai to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,222 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

1,222 reviews

EVA Air

8.4

Very good

1,222 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

1,121 reviews

EVA Air

8.4

Very good

1,222 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

754 reviews

EVA Air

8.4

Very good

1,222 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

467 reviews

EVA Air

8.4

Very good

1,222 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

3,299 reviews

EVA Air

8.4

Very good

1,222 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 from for flights from Chiang Mai to Washington, D.C.?
If you book a flight to Washington, D.C. from Chiang Mai, you will be flying from Chiang Mai, which is the city’s only airport. Chiang Mai (CNX) is located 1.9 mi from the center of Chiang Mai. There are 0 flights from Chiang Mai to Washington, D.C. per day from 1 airline.
What are the cheapest airlines to fly from Chiang Mai to Washington, D.C. one-way?
To fly one-way, consider booking your trip with Korean Air, which is currently one of the cheapest options available, starting at $650. Delta flights start at $661 while deals on China Airlines start at $708 one-way.
What are the most popular routes from Chiang Mai to Washington, D.C.?
The most popular flight routes from Chiang Mai to Washington, D.C. are Chiang Mai - Washington, D.C. Dulles Intl, Chiang Mai - Baltimore/Washington and Chiang Mai - Washington, D.C. Reagan-National.
Can I find deals for flights from Chiang Mai to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Chiang Mai to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Chiang Mai to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chiang Mai to Washington, D.C..
Can I find deals for business class flights from Chiang Mai to Washington, D.C.?
Yes. Cheapflights offers flight deals from Chiang Mai to Washington, D.C. 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 Chiang Mai to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from Chiang Mai to Washington, D.C. (average of $241). Flying from Chiang Mai to Washington, D.C. in March is currently the most expensive (average of $290). 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

Woodbridge

Arlington

Alexandria

Tysons

Silver Spring

Fredericksburg

Gaithersburg

Towson

Linthicum Heights

Easton

Fairfax

Manassas

Falls Church

Waldorf

Laurel

Rockville

Oxon Hill

National Harbor

Dundalk

Bowie

Browse thousands of different options on Cheapflights for your next trip

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

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$854	Average$1,302	FlexibilityNo cancel fee	On-timeN/A

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$614+ Cheap flights from Chiang Mai (CNX) to Washington, D.C. (WAS)

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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.

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

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

Cheapest flights from Chiang Mai to Washington, D.C.Explore the most affordable flight options available from Chiang Mai to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juillet 30, 2025.

Explore the most affordable flight options available from Chiang Mai to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juillet 30, 2025.

Cheapflights Fare Finder

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

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

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

Cheapflights Insights

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

Reviews of airlines servicing Washington, D.C.

Get a feel of what it's like to fly with EVA Air, Korean Air, and China Airlines from Chiang Mai to Washington, D.C. by reading reviews from past customers. 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 Chiang Mai to Washington, D.C.. 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 from for flights from Chiang Mai to Washington, D.C.?

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

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

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

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

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

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

Traveling to a place near Washington, D.C.?

Browse thousands of different options on Cheapflights for your next trip

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

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

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

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Cheapest flights from Chiang Mai to Washington, D.C.
Explore the most affordable flight options available from Chiang Mai to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juillet 30, 2025.