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 $648. Delta flights start at $666 while deals on China Airlines start at $675 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 July is currently the most expensive (average of $347). 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. Reagan-National, Chiang Mai - Baltimore/Washington and Chiang Mai - Washington, D.C. Dulles Intl.

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.

$573+ 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	$1,237 (Lufthansa)
One-way from	$573 (Kiwi.com)

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

Search Deals

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

Search Deals

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 June 18, 2025.

Wed 7/168:00 pmCNX - IAD

2 stops30h 20mLufthansa

Tue 9/210:20 pmIAD - CNX

2 stops33h 50mLufthansa

Deal found 6/16

$1,237

Sun 7/208:00 pmCNX - IAD

2 stops55h 15mSWISS

Tue 9/25:45 pmIAD - CNX

2 stops33h 00mSWISS

Deal found 6/16

$1,289

Tue 8/511:35 amCNX - DCA

2 stops45h 07mEVA Air

Wed 9/178:59 amDCA - CNX

2 stops38h 26mEVA Air

Deal found 6/15

$1,302

Fri 7/1811:15 amCNX - IAD

2 stops40h 00mMultiple Airlines

Tue 9/28:45 pmIAD - CNX

2 stops30h 00mMultiple Airlines

Deal found 6/16

$1,310

Wed 7/3011:20 amCNX - IAD

2 stops30h 30mChina Airlines

Mon 8/186:13 pmIAD - CNX

2 stops29h 07mChina Airlines

Deal found 6/18

$1,321

Tue 8/56:35 amCNX - BWI

3 stops33h 58mMultiple Airlines

Wed 9/175:45 amBWI - CNX

3 stops29h 10mMultiple Airlines

Deal found 6/15

$1,355

Tue 8/511:35 amCNX - IAD

2 stops39h 50mEVA Air

Wed 9/176:09 pmIAD - CNX

2 stops29h 16mEVA Air

Deal found 6/15

$1,387

Fri 7/189:10 pmCNX - IAD

3 stops29h 25mAustrian Airlines

Tue 9/25:25 pmIAD - CNX

2 stops38h 45mAustrian Airlines

Deal found 6/16

$1,419

Mon 8/411:15 pmCNX - IAD

2 stops41h 42mDelta

Sun 9/146:10 amIAD - CNX

2 stops28h 45mDelta

Deal found 6/17

$1,443

Wed 7/3011:35 amCNX - DCA

2 stops41h 23mMultiple Airlines

Mon 8/186:58 pmDCA - CNX

2 stops28h 27mMultiple Airlines

Deal found 6/18

$1,473

Wed 8/611:15 pmCNX - DCA

2 stops26h 34mDelta

Fri 9/126:00 amDCA - CNX

2 stops28h 55mDelta

Deal found 6/17

$1,558

Thu 7/1710:10 amCNX - IAD

2 stops33h 30mQatar Airways

Sun 8/319:00 pmIAD - CNX

2 stops25h 20mQatar Airways

Deal found 6/16

$1,652

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 June 18, 2025.

Wed 7/164:55 pmCNX - IAD

2 stops33h 25mLufthansa

Mon 9/110:20 pmIAD - CNX

2 stops33h 50mLufthansa

Deal found 6/16

$1,237

Sun 7/208:00 pmCNX - IAD

2 stops55h 15mSWISS

Tue 9/25:45 pmIAD - CNX

2 stops33h 00mSWISS

Deal found 6/16

$1,289

Tue 8/511:35 amCNX - DCA

2 stops45h 07mEVA Air

Wed 9/178:59 amDCA - CNX

2 stops38h 26mEVA Air

Deal found 6/15

$1,302

Fri 7/1811:15 amCNX - IAD

2 stops40h 00mMultiple Airlines

Tue 9/28:45 pmIAD - CNX

2 stops30h 00mMultiple Airlines

Deal found 6/16

$1,310

Wed 7/3011:20 amCNX - IAD

2 stops30h 30mChina Airlines

Mon 8/186:13 pmIAD - CNX

2 stops29h 07mChina Airlines

Deal found 6/18

$1,321

Fri 7/189:10 pmCNX - IAD

3 stops29h 25mAustrian Airlines

Tue 9/25:25 pmIAD - CNX

2 stops38h 45mAustrian Airlines

Deal found 6/16

$1,419

Mon 8/411:15 pmCNX - IAD

2 stops41h 42mDelta

Thu 9/1112:00 pmIAD - CNX

2 stops46h 55mDelta

Deal found 6/17

$1,443

Thu 7/1710:10 amCNX - IAD

2 stops33h 30mQatar Airways

Sun 8/319:00 pmIAD - CNX

2 stops25h 20mQatar Airways

Deal found 6/16

$1,652

Thu 8/78:00 pmCNX - IAD

2 stops47h 40mEmirates

Fri 10/1010:55 amIAD - CNX

2 stops45h 15mEmirates

Deal found 6/17

$1,720

Mon 8/412:45 amCNX - IAD

2 stops31h 10mAsiana Airlines

Wed 9/175:40 pmIAD - CNX

2 stops43h 00mAsiana Airlines

Deal found 6/15

$1,827

Wed 7/1611:15 pmCNX - IAD

2 stops36h 19mKorean Air

Fri 9/51:15 pmIAD - CNX

1 stop44h 30mKorean Air

Deal found 6/16

$1,851

Mon 8/411:05 pmCNX - IAD

1 stop31h 25mAir China

Tue 9/911:00 pmIAD - CNX

1 stop35h 50mAir China

Deal found 6/17

$2,266

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 June 18, 2025 and is based on user searches.

Wed 7/164:55 pmCNX - IAD

2 stops33h 25mLufthansa

Mon 9/110:20 pmIAD - CNX

2 stops33h 50mLufthansa

Deal found 6/16

$1,237

Wed 7/1611:15 pmCNX - IAD

2 stops36h 19mKorean Air

Fri 9/51:15 pmIAD - CNX

1 stop44h 30mKorean Air

Deal found 6/16

$1,851

Thu 7/1710:10 amCNX - IAD

2 stops33h 30mQatar Airways

Sun 8/319:00 pmIAD - CNX

2 stops25h 20mQatar Airways

Deal found 6/16

$1,652

Fri 7/1811:15 amCNX - IAD

2 stops40h 00mMultiple Airlines

Tue 9/28:45 pmIAD - CNX

2 stops30h 00mMultiple Airlines

Deal found 6/16

$1,310

Fri 7/189:10 pmCNX - IAD

3 stops29h 25mAustrian Airlines

Tue 9/25:25 pmIAD - CNX

2 stops38h 45mAustrian Airlines

Deal found 6/16

$1,419

Sun 7/208:00 pmCNX - IAD

2 stops55h 15mSWISS

Tue 9/25:45 pmIAD - CNX

2 stops33h 00mSWISS

Deal found 6/16

$1,289

Tue 7/2912:45 amCNX - IAD

2 stops41h 08mAsiana Airlines

Mon 8/185:45 pmIAD - CNX

2 stops42h 55mAsiana Airlines

Deal found 6/18

$1,846

Wed 7/3011:20 amCNX - IAD

2 stops30h 30mChina Airlines

Mon 8/186:13 pmIAD - CNX

2 stops29h 07mChina Airlines

Deal found 6/18

$1,321

Wed 7/3011:35 amCNX - DCA

2 stops41h 23mMultiple Airlines

Mon 8/186:58 pmDCA - CNX

2 stops28h 27mMultiple Airlines

Deal found 6/18

$1,473

Wed 7/3011:15 pmCNX - BWI

2 stops35h 44mDelta

Mon 8/186:25 pmBWI - CNX

2 stops40h 30mDelta

Deal found 6/18

$1,887

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 June 18, 2025.

Wed 8/203:50 pmCNX - BWI

3 stops50h 04mMultiple Airlines

Deal found 6/16

$573

Tue 7/110:20 pmCNX - IAD

3 stops56h 25mMultiple Airlines

Deal found 6/16

$614

Sat 9/611:15 pmCNX - IAD

1 stop22h 40mKorean Air

Deal found 6/17

$648

Mon 6/3011:15 pmCNX - IAD

2 stops34h 59mDelta

Deal found 6/16

$666

Mon 6/3011:15 pmCNX - DCA

2 stops30h 44mDelta

Deal found 6/16

$666

Fri 9/511:20 amCNX - DCA

2 stops44h 39mChina Airlines

Deal found 6/16

$675

Mon 6/3010:55 pmCNX - DCA

3 stops33h 47mMultiple Airlines

Deal found 6/16

$796

Sat 9/611:20 amCNX - BWI

2 stops42h 02mChina Airlines

Deal found 6/17

$826

Mon 6/3011:05 pmCNX - IAD

1 stop31h 25mAir China

Deal found 6/16

$906

Fri 9/511:35 amCNX - BWI

2 stops28h 58mEVA Air

Deal found 6/16

$934

Fri 7/1112:15 amCNX - IAD

2 stops41h 38mAsiana Airlines

Deal found 6/18

$943

Sat 6/2811:15 pmCNX - DCA

2 stops35h 31mKorean Air

Deal found 6/16

$1,039

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

Wed 7/16

4:55 pm-3:20 pm

2 stops33h 25m

Washington, D.C. Dulles Intl

Mon 9/1

10:20 pm-7:10 pm

2 stops33h 50m

$1,237

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Sun 7/20

8:00 pm-4:15 pm

2 stops55h 15m

Washington, D.C. Dulles Intl

Tue 9/2

5:45 pm-1:45 pm

2 stops33h 00m

$1,289

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Tue 8/5

11:35 am-9:42 pm

2 stops45h 07m

Washington, D.C. Reagan-National

Wed 9/17

8:59 am-10:25 am

2 stops38h 26m

$1,302

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Fri 7/18

11:15 am-4:15 pm

2 stops40h 00m

Washington, D.C. Dulles Intl

Tue 9/2

8:45 pm-1:45 pm

2 stops30h 00m

$1,310

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Wed 7/30

11:20 am-6:50 am

2 stops30h 30m

Washington, D.C. Dulles Intl

Mon 8/18

6:13 pm-10:20 am

2 stops29h 07m

$1,321

Chiang MaiBaltimore

CNX - BWI

CNXBWI

Chiang Mai

Tue 8/5

6:35 am-5:33 am

3 stops33h 58m

Baltimore/Washington

Wed 9/17

5:45 am-9:55 pm

3 stops29h 10m

$1,355

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 8/5

11:35 am-4:25 pm

2 stops39h 50m

Washington, D.C. Dulles Intl

Wed 9/17

6:09 pm-10:25 am

2 stops29h 16m

$1,387

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Fri 7/18

9:10 pm-3:35 pm

3 stops29h 25m

Washington, D.C. Dulles Intl

Tue 9/2

5:25 pm-7:10 pm

2 stops38h 45m

$1,419

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Mon 8/4

11:15 pm-5:57 am

2 stops41h 42m

Washington, D.C. Dulles Intl

Sun 9/14

6:10 am-9:55 pm

2 stops28h 45m

$1,443

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Wed 7/30

11:35 am-5:58 pm

2 stops41h 23m

Washington, D.C. Reagan-National

Mon 8/18

6:58 pm-10:25 am

2 stops28h 27m

$1,473

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 37 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.

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.

Read reviews from past customers who have flown EVA Air, Korean Air and China Airlines from Chiang Mai to Washington, D.C.. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,205 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

1,205 reviews

EVA Air

8.4

Very good

1,205 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

1,090 reviews

EVA Air

8.4

Very good

1,205 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

742 reviews

EVA Air

8.4

Very good

1,205 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

441 reviews

EVA Air

8.4

Very good

1,205 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

3,273 reviews

EVA Air

8.4

Very good

1,205 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 $648. Delta flights start at $666 while deals on China Airlines start at $675 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. Reagan-National, Chiang Mai - Baltimore/Washington and Chiang Mai - Washington, D.C. Dulles Intl.
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 July is currently the most expensive (average of $347). 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

Woodbridge

Alexandria

Tysons

Silver Spring

Linthicum Heights

Fredericksburg

Fairfax

Gaithersburg

Easton

Towson

Manassas

Falls Church

Rockville

Springfield

National Harbor

Dundalk

Waldorf

Bowie

Hanover

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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$573+ 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 8/20. 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

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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 June 18, 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 June 18, 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.

Read reviews from past customers who have flown EVA Air, Korean Air and China Airlines from Chiang Mai to Washington, D.C.. Reviews also offer insight into each airline's 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 Chiang Mai?

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 June 18, 2025.