How long is the flight from Chiang Mai to Washington, D.C.?

For as low as ฿37,965, Korean Air can have you in Washington, D.C. from Chiang Mai in 29h 11m. Airlines will cover a distance of 13547 km.

In terms of precipitation, rainfall in Washington, D.C. ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. when rainfall is around 66.0 mm.

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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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

When deciding which route to take from Chiang Mai to Washington, D.C., consider Chiang Mai - Washington, D.C. Dulles Intl, Chiang Mai - Washington, D.C. Reagan-National or Chiang Mai - Baltimore/Washington, as they are the most popular.

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.?

Chiang Mai (CNX), located 3.1 km from the city centre, is the airport you fly out of when you book flights from Chiang Mai to Washington, D.C.. 0 airlines have flights from Chiang Mai to Washington, D.C. on a regular basis. Booking flights from Chiang Mai to Washington, D.C. should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. per day.

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 holiday 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.

฿12,588+ Cheap Flights from Chiang Mai to Washington, D.C.

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

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 29 September 2026.

Tue 27/1009:10 -

1 stop35h 55m

Mon 9/1111:50 -

1 stop22h 55m

Deal found 25/9฿29,573

Tue 27/1009:10 -

1 stop35h 55m

Fri 13/1111:50 -

1 stop22h 55m

Deal found 25/9฿29,606

Tue 27/1009:10 -

1 stop35h 55m

Wed 11/1123:35 -

2 stops55h 45m

Deal found 25/9฿29,976

Thu 29/1009:10 -

1 stop35h 55m

Wed 11/1123:35 -

2 stops48h 50m

Deal found 25/9฿30,311

Tue 27/1009:10 -

1 stop35h 55m

Tue 10/1111:50 -

1 stop22h 55m

Deal found 25/9฿31,453

Tue 27/1009:10 -

1 stop35h 55m

Sun 15/1111:50 -

2 stops43h 15m

Deal found 25/9฿33,131

Thu 29/1009:10 -

1 stop35h 55m

Thu 12/1111:50 -

1 stop22h 55m

Deal found 25/9฿33,634

Mon 9/1109:10 -

1 stop35h 55m

Mon 16/1111:50 -

2 stops44h 20m

Deal found 25/9฿34,004

Thu 29/1012:55 -

2 stops32h 10m

Mon 9/1111:50 -

1 stop22h 55m

Deal found 25/9฿34,071

Thu 29/1012:55 -

2 stops32h 10m

Fri 13/1111:50 -

1 stop22h 55m

Deal found 25/9฿34,104

Tue 10/1109:10 -

1 stop35h 55m

Tue 17/1114:35 -

2 stops41h 35m

Deal found 26/9฿34,474

Wed 4/1100:20 -

2 stops29h 11m

Mon 9/1107:08 -

2 stops27h 37m

Deal found 28/9฿37,965

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 stopovers in mind to ensure you get the best travel experience. Data last updated 29 September 2026.

Wed 4/1100:20 -

2 stops29h 11m

Mon 9/1107:08 -

2 stops27h 37m

Deal found 28/9฿37,965

Wed 28/1000:20 -

2 stops35h 22m

Thu 12/1117:00 -

2 stops41h 45m

Deal found 25/9฿38,468

Thu 22/1023:05 -

1 stop31h 25m

Thu 29/1015:03 -

2 stops44h 42m

Deal found 24/9฿38,972

Thu 5/1109:10 -

1 stop35h 55m

Mon 9/1114:35 -

2 stops40h 25m

Deal found 27/9฿42,966

Mon 9/1110:10 -

3 stops40h 20m

Mon 16/1118:20 -

3 stops31h 25m

Deal found 25/9฿46,961

Thu 29/1000:20 -

2 stops28h 07m

Tue 10/1106:00 -

2 stops28h 45m

Deal found 25/9฿38,032

Sun 25/1000:20 -

2 stops23h 54m

Fri 13/1106:00 -

2 stops28h 45m

Deal found 25/9฿38,032

Tue 27/1009:10 -

1 stop35h 55m

Thu 12/1114:35 -

2 stops40h 25m

Deal found 25/9฿44,175

Sat 31/1000:20 -

2 stops33h 16m

Mon 9/1107:05 -

2 stops27h 40m

Deal found 25/9฿38,032

Sun 25/1000:20 -

2 stops23h 54m

Tue 10/1106:00 -

2 stops28h 45m

Deal found 25/9฿38,032

Wed 28/1000:20 -

2 stops34h 08m

Tue 10/1106:00 -

2 stops28h 45m

Deal found 25/9฿38,032

Wed 4/1100:20 -

1 stop21h 30m

Mon 9/1111:50 -

1 stop22h 55m

Deal found 28/9฿38,334

Tue 5/111:25 -

2 stops41h 52m

Fri 14/517:15 -

3 stops30h 05m

Deal found 24/9฿81,199

Thu 29/1014:45 -

2 stops38h 20m

Thu 12/1118:55 -

2 stops36h 05m

Deal found 25/9฿91,269

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 29 September 2026.

Wed 4/1109:10 -

1 stop35h 55m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 26/9฿12,588

Fri 6/1109:10 -

1 stop35h 55m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 24/9฿12,722

Tue 3/1109:10 -

1 stop35h 55m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 24/9฿12,991

Mon 2/1109:10 -

1 stop35h 55m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 26/9฿13,024

Sun 1/1109:10 -

1 stop35h 55m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 26/9฿13,226

Sun 15/1109:10 -

1 stop35h 55m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 24/9฿13,595

Wed 4/1108:55 -

2 stops36h 10m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 26/9฿15,609

Sun 15/1108:55 -

2 stops36h 10m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 24/9฿15,810

Mon 2/1109:10 -

2 stops51h 12m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 26/9฿17,186

Tue 3/1109:10 -

2 stops51h 23m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 24/9฿17,220

Sun 1/1109:10 -

2 stops51h 23m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 26/9฿17,254

Wed 4/1109:10 -

2 stops51h 23m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 24/9฿17,287

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

Round-trip from	฿29,573
One-way from	฿12,588

Korean Air
27/10-9/11
2 total stops
58h 50m total
Chiang Mai to Washington, D.C.

Search Deals

เอทิฮัดแอร์เวย์
4/11-31/12
1 total stop
35h 55m total
Chiang Mai to Washington, D.C.

Search Deals

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

Cheapest return flight

Chiang MaiWashington, D.C.

CNX Chiang Mai - IAD Washington, D.C. Dulles Intl

CNXIAD

Chiang Mai

Sat 7/11

09:10-09:05

1 stop35h 55m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿12,991

Chiang MaiWashington, D.C.

CNX Chiang Mai - IAD Washington, D.C. Dulles Intl

CNXIAD

Chiang Mai

Mon 9/11

09:10-09:05

1 stop35h 55m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿12,991

Chiang MaiWashington, D.C.

CNX Chiang Mai - IAD Washington, D.C. Dulles Intl

CNXIAD

Chiang Mai

Wed 4/11

09:10-09:05

1 stop35h 55m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿12,991

Chiang MaiWashington, D.C.

CNX Chiang Mai - IAD Washington, D.C. Dulles Intl

CNXIAD

Chiang Mai

Sun 1/11

09:10-10:05

1 stop35h 55m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿13,226

Chiang MaiBaltimore

CNX Chiang Mai - BWI Baltimore/Washington

CNXBWI

Chiang Mai

Tue 3/11

09:10-00:33

2 stops51h 23m

Baltimore/Washington

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿17,220

Chiang MaiBaltimore

CNX Chiang Mai - BWI Baltimore/Washington

CNXBWI

Chiang Mai

Fri 6/11

09:10-00:33

2 stops51h 23m

Baltimore/Washington

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿17,220

Chiang MaiBaltimore

CNX Chiang Mai - BWI Baltimore/Washington

CNXBWI

Chiang Mai

Sun 1/11

09:10-01:33

2 stops51h 23m

Baltimore/Washington

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿17,254

Chiang MaiWashington, D.C.

CNX Chiang Mai - IAD Washington, D.C. Dulles Intl

CNXIAD

Chiang Mai

Wed 4/11

12:40-09:05

2 stops32h 25m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿17,556

Chiang MaiWashington, D.C.

CNX Chiang Mai - IAD Washington, D.C. Dulles Intl

CNXIAD

Chiang Mai

Sat 7/11

20:40-09:05

2 stops48h 25m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿17,656

Chiang MaiWashington, D.C.

CNX Chiang Mai - IAD Washington, D.C. Dulles Intl

CNXIAD

Chiang Mai

Mon 9/11

20:40-09:05

2 stops48h 25m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿17,690

Flights are sorted by cheapest return flights first.

Deals found on 24/9

Showing 1-10 of 34 resultsSorted by cheapest first

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.

CNX-WAS

CNX-IAD

CNX-BWI

Estimated return 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.

CNX-WAS

CNX-IAD

CNX-BWI

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

Related info for your journey

What airport do you fly from for flights from Chiang Mai to Washington, D.C.?
Chiang Mai (CNX), located 3.1 km from the city centre, is the airport you fly out of when you book flights from Chiang Mai to Washington, D.C.. 0 airlines have flights from Chiang Mai to Washington, D.C. on a regular basis. Booking flights from Chiang Mai to Washington, D.C. should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. per day.
How long is the flight from Chiang Mai to Washington, D.C.?
For as low as ฿37,965, Korean Air can have you in Washington, D.C. from Chiang Mai in 29h 11m. Airlines will cover a distance of 13547 km.
What are the most popular routes from Chiang Mai to Washington, D.C.?
When deciding which route to take from Chiang Mai to Washington, D.C., consider Chiang Mai - Washington, D.C. Dulles Intl, Chiang Mai - Washington, D.C. Reagan-National or Chiang Mai - Baltimore/Washington, as they are the most popular.
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 holiday 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.

See more FAQs

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Deals for Chiang Mai to Washington, D.C. flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Chiang Mai to Washington, D.C.?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Washington, D.C. from Chiang Mai.

Can Cheapflights find flights from Chiang Mai to Washington, D.C. with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Chiang Mai to Washington, D.C., users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Chiang Mai to Washington, D.C. become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Washington, D.C. from Chiang Mai today and book when prices fit your budget.

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Cheap flights from Chiang Mai to Washington, D.C. from ฿12,588

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 29 September 2026.

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 29 September 2026.

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 stopovers in mind to ensure you get the best travel experience. Data last updated 29 September 2026.

Discover carefully curated flight deals from Chiang Mai to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 September 2026.

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 29 September 2026 and is based on user searches.

Discover last-minute flight deals from Chiang Mai to Washington, D.C.. Data last updated 29 September 2026 and is based on user searches.

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 29 September 2026.

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 29 September 2026.

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Related info for your journey

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

How long is the flight from Chiang Mai to Washington, D.C.?

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.?

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.

Complete your trip

Complete your trip to Washington, D.C. by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Chiang Mai to Washington, D.C. by cabin class

Find flights from Chiang Mai to Washington, D.C., based on your preferred cabin class, be it economy, premium economy, business, or first class.

Chiang Mai and Washington, D.C. flights

Browse other Chiang Mai and Washington, D.C. flight options. Last updated on 29 September 2026.

Other flights from Chiang Mai

Browse through other flights departing from Chiang Mai. Flights are based on user searches made on Cheapflights and were last updated on 29 September 2026.

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Consider these flights travelling from Chiang Mai to Washington, D.C..

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How does Cheapflights help users find flights from Chiang Mai to Washington, D.C.?

Why should you use Cheapflights to find cheap flight tickets from Chiang Mai to Washington, D.C.?

Can Cheapflights find flights from Chiang Mai to Washington, D.C. with no change fees?

Can Cheapflights notify me if prices for flights from Chiang Mai to Washington, D.C. become cheaper?

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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 29 September 2026.

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 stopovers in mind to ensure you get the best travel experience. Data last updated 29 September 2026.

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 29 September 2026 and is based on user searches.

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 29 September 2026.