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

For as low as ฿32,864, เอทิฮัดแอร์เวย์ can have you in Washington, D.C. from Chiang Mai in 24h 05m. Airlines will cover a distance of 13576 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 - Baltimore/Washington or Chiang Mai - Washington, D.C. Reagan-National, 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.

฿13,267+ 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.

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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 12 November 2026.

Sat 21/1109:10 -

1 stop35h 50m

Tue 1/1214:25 -

1 stop28h 00m

Deal found 9/11฿34,076

Sat 21/1109:10 -

1 stop35h 50m

Tue 1/1221:20 -

2 stops33h 40m

Deal found 9/11฿41,820

Sun 13/1209:10 -

1 stop35h 50m

Mon 14/1214:25 -

2 stops40h 35m

Deal found 11/11฿52,023

Sun 13/1219:45 -

2 stops37h 10m

Mon 14/1223:55 -

2 stops26h 45m

Deal found 11/11฿60,643

Mon 14/1211:50 -

1 stop21h 05m

Mon 14/1223:55 -

2 stops28h 30m

Deal found 11/11฿62,327

Wed 30/1220:55 -

1 stop24h 05m

Thu 31/1214:25 -

2 stops31h 00m

Deal found 9/11฿65,660

Sun 13/1210:10 -

3 stops40h 20m

Mon 14/1220:10 -

2 stops29h 35m

Deal found 11/11฿65,963

Wed 30/1210:10 -

2 stops40h 00m

Thu 31/1217:25 -

2 stops32h 20m

Deal found 9/11฿67,478

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

Round-trip from	฿32,864
One-way from	฿13,267

เอทิฮัดแอร์เวย์
18/2-22/2
2 total stops
63h 35m total
Chiang Mai to Washington, D.C.

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เอทิฮัดแอร์เวย์
14/12-31/12
1 total stop
35h 50m 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.

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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

Tue 23/3

20:55-10:00

1 stop24h 05m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿13,974

Chiang MaiWashington, D.C.

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

CNXIAD

Chiang Mai

Wed 9/12

22:30-18:30

2 stops56h 00m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿19,328

Chiang MaiWashington, D.C.

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

CNXIAD

Chiang Mai

Sat 30/1

17:15-16:27

2 stops59h 12m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿23,133

Chiang MaiWashington, D.C.

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

CNXIAD

Chiang Mai

Sat 30/1

20:55-09:00

1 stop24h 05m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿24,850

Chiang MaiWashington, D.C.

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

CNXIAD

Chiang Mai

Wed 9/12

09:10-09:00

1 stop35h 50m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿25,052

Chiang MaiWashington, D.C.

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

CNXIAD

Chiang Mai

Sun 31/1

10:10-09:00

2 stops34h 50m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿25,591

Fastest return journey

Chiang MaiWashington, D.C.

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

CNXIAD

Chiang Mai

Tue 8/12

00:20-09:50

1 stop21h 30m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿29,631

Chiang MaiWashington, D.C.

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

CNXIAD

Chiang Mai

Mon 18/1

19:45-19:25

2 stops59h 40m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿30,204

Chiang MaiWashington, D.C.

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

CNXIAD

Chiang Mai

Sat 30/1

19:45-19:25

2 stops59h 40m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿30,338

Chiang MaiWashington, D.C.

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

CNXIAD

Chiang Mai

Thu 18/2

20:55-09:00

1 stop24h 05m

Washington, D.C. Dulles Intl

Mon 22/2

14:25-17:55

1 stop39h 30m

฿32,864

Flights are sorted by cheapest return flights first.

Deals found on 10/11

Showing 1-10 of 18 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

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.

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

CNX-WAS

CNX-IAD

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 ฿32,864, เอทิฮัดแอร์เวย์ can have you in Washington, D.C. from Chiang Mai in 24h 05m. Airlines will cover a distance of 13576 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 - Baltimore/Washington or Chiang Mai - Washington, D.C. Reagan-National, 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.

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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?

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Cheap flights from Chiang Mai to Washington, D.C. from ฿13,267

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/12. 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 12 November 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 12 November 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 12 November 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 12 November 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 12 November 2026 and is based on user searches.

Discover last-minute flight deals from Chiang Mai to Washington, D.C.. Data last updated 12 November 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 12 November 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 12 November 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

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

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Complete your trip

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Chiang Mai and Washington, D.C. flights

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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 12 November 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 12 November 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 12 November 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 12 November 2026.