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 Delta, which is currently one of the cheapest options available, starting at $770. Air Canada flights start at $939 while deals on Asiana Airlines start at $940 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 $349). 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 - Washington, D.C. Reagan-National and Chiang Mai - Baltimore/Washington.

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.

$770+ 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	$1,100 (Delta)
One-way from	$770 (Delta)

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 15, 2025.

Wed 9/311:15 pmCNX - IAD

2 stops34h 40mDelta

Fri 10/247:00 amIAD - CNX

2 stops27h 55mDelta

Deal found 6/13

$1,100

Wed 9/311:15 pmCNX - DCA

2 stops33h 32mDelta

Fri 10/246:10 amDCA - CNX

2 stops28h 45mDelta

Deal found 6/13

$1,100

Fri 11/1411:50 amCNX - IAD

2 stops30h 33mEVA Air

Tue 11/257:00 amIAD - CNX

2 stops39h 35mEVA Air

Deal found 6/14

$1,116

Fri 11/1410:10 amCNX - IAD

2 stops41h 20mSWISS

Tue 11/256:20 pmIAD - CNX

3 stops31h 25mSWISS

Deal found 6/14

$1,141

Fri 9/511:20 amCNX - DCA

2 stops44h 39mMultiple Airlines

Tue 10/216:00 amDCA - CNX

2 stops28h 55mMultiple Airlines

Deal found 6/13

$1,161

Fri 11/1411:50 amCNX - DCA

2 stops44h 10mEVA Air

Tue 11/258:00 amDCA - CNX

2 stops38h 35mEVA Air

Deal found 6/14

$1,166

Mon 9/811:05 pmCNX - IAD

1 stop31h 25mAir China

Tue 10/2111:00 pmIAD - CNX

1 stop35h 50mAir China

Deal found 6/13

$1,182

Fri 11/1411:50 amCNX - BWI

2 stops30h 28mMultiple Airlines

Tue 11/256:55 pmBWI - CNX

2 stops27h 40mMultiple Airlines

Deal found 6/14

$1,220

Thu 9/412:45 amCNX - IAD

1 stop21h 10mMultiple Airlines

Tue 10/219:00 amIAD - CNX

2 stops38h 25mMultiple Airlines

Deal found 6/13

$1,380

Thu 9/49:10 pmCNX - IAD

2 stops28h 25mAustrian Airlines

Wed 10/225:25 pmIAD - CNX

2 stops38h 45mAustrian Airlines

Deal found 6/13

$1,400

Thu 9/49:45 pmCNX - IAD

1 stop24h 10mKorean Air

Wed 10/225:25 pmIAD - CNX

2 stops41h 30mKorean Air

Deal found 6/13

$1,442

Wed 7/3011:15 amCNX - IAD

2 stops54h 06mAir Canada

Tue 8/128:19 amIAD - CNX

2 stops45h 21mAir Canada

Deal found 6/13

$1,448

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 15, 2025.

Wed 9/311:15 pmCNX - IAD

2 stops34h 40mDelta

Thu 10/236:00 amIAD - CNX

2 stops28h 55mDelta

Deal found 6/13

$1,100

Fri 11/1411:50 amCNX - IAD

2 stops30h 33mEVA Air

Tue 11/257:00 amIAD - CNX

2 stops39h 35mEVA Air

Deal found 6/14

$1,116

Fri 11/1410:10 amCNX - IAD

2 stops41h 20mSWISS

Tue 11/256:20 pmIAD - CNX

3 stops31h 25mSWISS

Deal found 6/14

$1,141

Fri 9/511:20 amCNX - DCA

2 stops44h 39mMultiple Airlines

Tue 10/216:00 amDCA - CNX

2 stops28h 55mMultiple Airlines

Deal found 6/13

$1,161

Mon 9/811:05 pmCNX - IAD

1 stop31h 25mAir China

Tue 10/2111:00 pmIAD - CNX

1 stop35h 50mAir China

Deal found 6/13

$1,182

Thu 9/49:10 pmCNX - IAD

2 stops28h 25mAustrian Airlines

Wed 10/225:25 pmIAD - CNX

2 stops38h 45mAustrian Airlines

Deal found 6/13

$1,400

Thu 9/49:45 pmCNX - IAD

1 stop24h 10mKorean Air

Wed 10/225:25 pmIAD - CNX

2 stops41h 30mKorean Air

Deal found 6/13

$1,442

Wed 7/3011:15 amCNX - IAD

2 stops54h 06mAir Canada

Tue 8/128:19 amIAD - CNX

2 stops45h 21mAir Canada

Deal found 6/13

$1,448

Thu 9/44:55 pmCNX - IAD

2 stops37h 30mLufthansa

Fri 10/2410:20 pmIAD - CNX

2 stops35h 05mLufthansa

Deal found 6/13

$1,496

Thu 9/410:10 amCNX - IAD

2 stops33h 30mEmirates

Thu 10/2310:55 amIAD - CNX

2 stops37h 20mEmirates

Deal found 6/13

$1,505

Mon 7/288:00 pmCNX - IAD

2 stops30h 40mQatar Airways

Wed 8/139:00 pmIAD - CNX

2 stops27h 15mQatar Airways

Deal found 6/13

$1,632

Wed 9/311:15 pmCNX - DCA

2 stops34h 44mDelta

Tue 10/216:10 amDCA - CNX

2 stops28h 45mDelta

Deal found 6/13

$1,100

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 15, 2025 and is based on user searches.

Sun 7/612:20 amCNX - IAD

2 stops41h 30mMultiple Airlines

Thu 7/1712:20 pmIAD - CNX

2 stops43h 50mMultiple Airlines

Deal found 6/14

$1,419

Mon 7/711:15 pmCNX - IAD

2 stops41h 42mDelta

Thu 7/177:30 amIAD - CNX

2 stops27h 25mDelta

Deal found 6/14

$1,209

Mon 7/79:10 amCNX - BWI

3 stops45h 19mMultiple Airlines

Thu 7/176:30 amBWI - CNX

2 stops28h 25mMultiple Airlines

Deal found 6/14

$1,536

Fri 7/258:00 pmCNX - IAD

2 stops55h 15mSWISS

Sat 10/188:45 pmIAD - CNX

2 stops30h 00mSWISS

Deal found 6/13

$1,479

Fri 7/258:00 pmCNX - IAD

2 stops47h 40mEmirates

Wed 8/1310:55 amIAD - CNX

2 stops37h 20mEmirates

Deal found 6/13

$1,583

Sun 7/2712:45 amCNX - DCA

2 stops31h 57mMultiple Airlines

Mon 8/117:38 pmDCA - CNX

2 stops39h 17mMultiple Airlines

Deal found 6/13

$1,466

Mon 7/2811:15 pmCNX - DCA

2 stops51h 34mDelta

Sat 8/912:00 pmDCA - CNX

2 stops46h 55mDelta

Deal found 6/13

$1,446

Mon 7/288:00 pmCNX - IAD

2 stops30h 40mQatar Airways

Wed 8/139:00 pmIAD - CNX

2 stops27h 15mQatar Airways

Deal found 6/13

$1,632

Mon 7/288:00 pmCNX - IAD

3 stops30h 35mAustrian Airlines

Wed 10/155:25 pmIAD - CNX

2 stops38h 45mAustrian Airlines

Deal found 6/13

$1,831

Wed 7/3011:35 amCNX - IAD

2 stops30h 15mEVA Air

Mon 8/188:19 pmIAD - CNX

2 stops27h 06mEVA Air

Deal found 6/15

$1,401

Wed 7/3011:35 amCNX - DCA

2 stops45h 07mEVA Air

Mon 8/185:02 pmDCA - CNX

2 stops30h 23mEVA Air

Deal found 6/15

$1,424

Wed 7/3011:15 amCNX - IAD

2 stops54h 06mAir Canada

Tue 8/128:19 amIAD - CNX

2 stops45h 21mAir Canada

Deal found 6/13

$1,448

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 15, 2025.

Sat 7/1211:15 pmCNX - IAD

2 stops35h 27mDelta

Deal found 6/13

$770

Mon 7/2811:15 pmCNX - DCA

2 stops34h 07mDelta

Deal found 6/13

$836

Tue 7/2910:30 amCNX - IAD

2 stops40h 10mMultiple Airlines

Deal found 6/13

$872

Sat 7/125:20 pmCNX - DCA

2 stops63h 22mMultiple Airlines

Deal found 6/13

$886

Wed 7/3011:15 amCNX - IAD

2 stops54h 06mAir Canada

Deal found 6/13

$939

Fri 7/1112:15 amCNX - IAD

2 stops41h 38mAsiana Airlines

Deal found 6/13

$940

Sat 7/1211:20 amCNX - BWI

2 stops29h 59mChina Airlines

Deal found 6/13

$950

Sun 8/1011:35 amCNX - DCA

2 stops41h 23mEVA Air

Deal found 6/13

$968

Sun 8/1011:35 amCNX - IAD

2 stops39h 50mEVA Air

Deal found 6/13

$977

Sun 7/278:00 pmCNX - IAD

2 stops30h 40mQatar Airways

Deal found 6/13

$1,068

Tue 7/2911:20 amCNX - BWI

2 stops41h 48mMultiple Airlines

Deal found 6/13

$1,091

Mon 7/2811:15 pmCNX - BWI

2 stops35h 03mDelta

Deal found 6/13

$1,349

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 9/3

11:15 pm-10:55 pm

2 stops34h 40m

Washington, D.C. Dulles Intl

Fri 10/24

7:00 am-9:55 pm

2 stops27h 55m

$1,100

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Wed 9/3

11:15 pm-9:47 pm

2 stops33h 32m

Washington, D.C. Reagan-National

Fri 10/24

6:10 am-9:55 pm

2 stops28h 45m

$1,100

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Fri 11/14

11:50 am-6:23 am

2 stops30h 33m

Washington, D.C. Dulles Intl

Tue 11/25

7:00 am-10:35 am

2 stops39h 35m

$1,116

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Fri 11/14

10:10 am-3:30 pm

2 stops41h 20m

Washington, D.C. Dulles Intl

Tue 11/25

6:20 pm-1:45 pm

3 stops31h 25m

$1,141

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Fri 9/5

11:20 am-8:59 pm

2 stops44h 39m

Washington, D.C. Reagan-National

Tue 10/21

6:00 am-9:55 pm

2 stops28h 55m

$1,161

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Fri 11/14

11:50 am-8:00 pm

2 stops44h 10m

Washington, D.C. Reagan-National

Tue 11/25

8:00 am-10:35 am

2 stops38h 35m

$1,166

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Mon 9/8

11:05 pm-7:30 pm

1 stop31h 25m

Washington, D.C. Dulles Intl

Tue 10/21

11:00 pm-9:50 pm

1 stop35h 50m

$1,182

Chiang MaiBaltimore

CNX - BWI

CNXBWI

Chiang Mai

Fri 11/14

11:50 am-6:18 am

2 stops30h 28m

Baltimore/Washington

Tue 11/25

6:55 pm-10:35 am

2 stops27h 40m

$1,220

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 9/4

12:45 am-10:55 am

1 stop21h 10m

Washington, D.C. Dulles Intl

Tue 10/21

9:00 am-10:25 am

2 stops38h 25m

$1,380

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 9/4

9:10 pm-2:35 pm

2 stops28h 25m

Washington, D.C. Dulles Intl

Wed 10/22

5:25 pm-7:10 pm

2 stops38h 45m

$1,400

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Showing 1-10 of 36 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

1,203 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

1,203 reviews

EVA Air

8.4

Very good

1,203 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

1,091 reviews

EVA Air

8.4

Very good

1,203 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

1,203 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

1,203 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

3,266 reviews

EVA Air

8.4

Very good

1,203 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 Delta, which is currently one of the cheapest options available, starting at $770. Air Canada flights start at $939 while deals on Asiana Airlines start at $940 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 - Washington, D.C. Reagan-National and Chiang Mai - Baltimore/Washington.
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 $349). 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

Woodbridge

Tysons

Silver Spring

Linthicum Heights

Fredericksburg

Gaithersburg

Fairfax

Falls Church

Easton

Herndon

Towson

Bowie

Rockville

Reston

National Harbor

Springfield

Manassas

Dundalk

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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$770+ 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 7/12. 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

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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 June 15, 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 15, 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 15, 2025.