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 Air China, which is currently one of the cheapest options available, starting at $681. China Airlines flights start at $818 while deals on Korean Air start at $2,325 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 $309). Flying from Chiang Mai to Washington, D.C. in June is currently the most expensive (average of $383). 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.

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.

Most accurate provider : When it comes to deals on Chiang Mai-Washington, D.C. flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chiang Mai-Washington, D.C. flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chiang Mai-Washington, D.C. flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Chiang Mai-Washington, D.C. flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chiang Mai-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$681+ Flights from Chiang Mai to Washington, D.C.

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1. Tell us where you want to go

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2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$1,184 (oojo)
One-way from	$681 (Air China)

Provider with most accurate pricing for Chiang Mai-Washington, D.C. (WAS) flight deals.

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Provider most trusted by Cheapflights users for Chiang Mai-Washington, D.C. (WAS) flights.

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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 April 17, 2025.

Fri 6/611:20 amCNX - IAD

2 stops39h 54mChina Airlines

Wed 7/237:59 pmIAD - CNX

2 stops27h 21mChina Airlines

Deal found 4/17

$1,184

Fri 6/62:35 pmCNX - IAD

2 stops29h 05mMultiple Airlines

Wed 7/239:00 pmIAD - CNX

2 stops25h 20mMultiple Airlines

Deal found 4/16

$1,291

Tue 5/2011:15 pmCNX - IAD

1 stop23h 00mDelta

Fri 6/137:40 amIAD - CNX

2 stops27h 15mDelta

Deal found 4/16

$1,472

Wed 8/611:20 amCNX - DCA

2 stops41h 38mChina Airlines

Mon 11/39:30 amDCA - CNX

2 stops36h 55mChina Airlines

Deal found 4/17

$1,769

Wed 8/611:35 amCNX - DCA

2 stops45h 07mEVA Air

Mon 11/39:30 amDCA - CNX

2 stops37h 05mEVA Air

Deal found 4/17

$1,795

Wed 8/611:35 amCNX - BWI

2 stops28h 53mMultiple Airlines

Mon 11/36:45 pmBWI - CNX

2 stops27h 50mMultiple Airlines

Deal found 4/17

$2,202

Tue 5/2011:15 pmCNX - IAD

1 stop23h 00mKorean Air

Fri 6/131:30 pmIAD - CNX

1 stop44h 15mKorean Air

Deal found 4/16

$2,562

Thu 6/512:45 amCNX - IAD

2 stops31h 35mAsiana Airlines

Wed 7/238:30 amIAD - CNX

2 stops28h 10mAsiana Airlines

Deal found 4/17

$3,068

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 April 17, 2025.

Fri 6/611:20 amCNX - IAD

2 stops39h 54mChina Airlines

Wed 7/237:59 pmIAD - CNX

2 stops27h 21mChina Airlines

Deal found 4/17

$1,184

Fri 6/62:35 pmCNX - IAD

2 stops29h 05mMultiple Airlines

Wed 7/239:00 pmIAD - CNX

2 stops25h 20mMultiple Airlines

Deal found 4/16

$1,291

Tue 5/2011:15 pmCNX - IAD

1 stop23h 00mDelta

Fri 6/137:40 amIAD - CNX

2 stops27h 15mDelta

Deal found 4/16

$1,472

Wed 8/611:35 amCNX - DCA

2 stops45h 07mEVA Air

Mon 11/39:30 amDCA - CNX

2 stops37h 05mEVA Air

Deal found 4/17

$1,795

Tue 5/2011:15 pmCNX - IAD

1 stop23h 00mKorean Air

Fri 6/131:30 pmIAD - CNX

1 stop44h 15mKorean Air

Deal found 4/16

$2,562

Thu 6/512:45 amCNX - IAD

2 stops31h 35mAsiana Airlines

Wed 7/238:30 amIAD - CNX

2 stops28h 10mAsiana Airlines

Deal found 4/17

$3,068

Wed 8/611:20 amCNX - DCA

2 stops41h 38mChina Airlines

Mon 11/39:30 amDCA - CNX

2 stops36h 55mChina Airlines

Deal found 4/17

$1,769

Wed 8/611:35 amCNX - BWI

2 stops28h 53mMultiple Airlines

Mon 11/36:45 pmBWI - CNX

2 stops27h 50mMultiple Airlines

Deal found 4/17

$2,202

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 April 17, 2025 and is based on user searches.

Tue 5/209:25 amCNX - IAD

2 stops40h 50mMultiple Airlines

Fri 6/138:45 pmIAD - CNX

2 stops30h 00mMultiple Airlines

Deal found 4/16

$1,296

Tue 5/2011:15 pmCNX - IAD

1 stop23h 00mDelta

Fri 6/137:40 amIAD - CNX

2 stops27h 15mDelta

Deal found 4/16

$1,472

Tue 5/2011:15 pmCNX - IAD

1 stop23h 00mKorean Air

Fri 6/131:30 pmIAD - CNX

1 stop44h 15mKorean Air

Deal found 4/16

$2,562

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 April 17, 2025.

Thu 6/1211:05 pmCNX - IAD

1 stop31h 25mAir China

Deal found 4/16

$681

Thu 6/125:20 pmCNX - IAD

2 stops34h 05mMultiple Airlines

Deal found 4/16

$691

Tue 8/511:20 amCNX - IAD

2 stops30h 30mChina Airlines

Deal found 4/16

$818

Tue 8/511:20 amCNX - DCA

2 stops41h 38mChina Airlines

Deal found 4/16

$833

Fri 7/1112:45 amCNX - DCA

2 stops31h 57mMultiple Airlines

Deal found 4/17

$855

Sat 7/1211:20 amCNX - BWI

2 stops29h 59mMultiple Airlines

Deal found 4/17

$876

Sat 7/1211:15 pmCNX - IAD

1 stop23h 00mKorean Air

Deal found 4/16

$2,325

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

Fri 6/6

11:20 am-4:14 pm

2 stops39h 54m

Washington, D.C. Dulles Intl

Wed 7/23

7:59 pm-10:20 am

2 stops27h 21m

$1,184

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Fri 6/6

2:35 pm-8:40 am

2 stops29h 05m

Washington, D.C. Dulles Intl

Wed 7/23

9:00 pm-9:20 am

2 stops25h 20m

$1,291

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 5/20

11:15 pm-11:15 am

1 stop23h 00m

Washington, D.C. Dulles Intl

Fri 6/13

7:40 am-9:55 pm

2 stops27h 15m

$1,472

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Wed 8/6

11:20 am-5:58 pm

2 stops41h 38m

Washington, D.C. Reagan-National

Mon 11/3

9:30 am-10:25 am

2 stops36h 55m

$1,769

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Wed 8/6

11:35 am-9:42 pm

2 stops45h 07m

Washington, D.C. Reagan-National

Mon 11/3

9:30 am-10:35 am

2 stops37h 05m

$1,795

Chiang MaiBaltimore

CNX - BWI

CNXBWI

Chiang Mai

Wed 8/6

11:35 am-5:28 am

2 stops28h 53m

Baltimore/Washington

Mon 11/3

6:45 pm-10:35 am

2 stops27h 50m

$2,202

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 5/20

11:15 pm-11:15 am

1 stop23h 00m

Washington, D.C. Dulles Intl

Fri 6/13

1:30 pm-8:45 pm

1 stop44h 15m

$2,562

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 6/5

12:45 am-9:20 pm

2 stops31h 35m

Washington, D.C. Dulles Intl

Wed 7/23

8:30 am-11:40 pm

2 stops28h 10m

$3,068

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 6/12

11:05 pm-7:30 pm

1 stop31h 25m

$681

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 6/12

5:20 pm-4:25 pm

2 stops34h 05m

$691

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 15 results

Most accurate provider: When it comes to deals on Chiang Mai-Washington, D.C. flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chiang Mai-Washington, D.C. flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chiang Mai-Washington, D.C. flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Chiang Mai-Washington, D.C. flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chiang Mai-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Rainfall in Washington, D.C. by month

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.

Temperature in Washington, D.C. by month

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).

Reviews of airlines servicing Washington, D.C.

EVA Air

8.4

Very good

1,177 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

EVA Air

8.4

Very good

1,177 reviews

EVA Air

8.4

Very good

1,177 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Korean Air

8.4

Very good

1,064 reviews

EVA Air

8.4

Very good

1,177 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

China Airlines

8.2

Very good

729 reviews

EVA Air

8.4

Very good

1,177 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Asiana Airlines

8.2

Very good

438 reviews

EVA Air

8.4

Very good

1,177 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Delta

8.0

Very good

7,917 reviews

EVA Air

8.4

Very good

1,177 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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 Air China, which is currently one of the cheapest options available, starting at $681. China Airlines flights start at $818 while deals on Korean Air start at $2,325 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 $309). Flying from Chiang Mai to Washington, D.C. in June is currently the most expensive (average of $383). 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

Arlington

Alexandria

Fairfax

Tysons

Springfield

Woodbridge

Rockville

Fredericksburg

Gaithersburg

Silver Spring

Linthicum Heights

Falls Church

Laurel

Easton

Herndon

Bowie

Gettysburg

National Harbor

Oxon Hill

Reston

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$1,306	FlexibilityNo cancel fee	On-timeN/A

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$681+ 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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.

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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

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Most trusted provider

Round-trip from

One-way from

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 April 17, 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 April 17, 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.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

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 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 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.

100% Free

Book with Flexibility

Travel Smart

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 April 17, 2025.