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

Airlines like เอทิฮัดแอร์เวย์ fly from Chiang Mai to Washington, D.C. Dulles Intl Airport in about 24h 05m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 13576 km.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport when rainfall is around 66.0 mm.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 is the cheapest time of day to fly from CNX to IAD?

When flying from Chiang Mai to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Located just 3.1 km from the city centre, Chiang Mai is the airport most travellers will use when flying to Washington, D.C. Dulles Intl from Chiang Mai. Booking flights from Chiang Mai (CNX) to Washington, D.C. Dulles Intl should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Dulles Intl from 0 different airlines.

Can I find deals for flights from Chiang Mai to Dulles Intl that include hotel bookings?

Yes. In addition to deals on Chiang Mai to Dulles Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Chiang Mai to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chiang Mai to Dulles Intl.

Can I find deals for business class flights from Chiang Mai to Dulles Intl?

Yes. Cheapflights offers flight deals from Chiang Mai to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

฿13,343+ Cheap Flights from Chiang Mai to Washington, D.C. Dulles Intl Airport

Cheap flight deals from Chiang Mai to Dulles Intl

Enter your travel dates to find the best prices.

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Cheapest flights from Chiang Mai to Dulles Intl
Explore the most affordable flight options available from Chiang Mai to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 November 2026.

Sun 13/1209:10 -

1 stop35h 50m

Mon 14/1214:25 -

2 stops40h 35m

Deal found 11/11฿52,324

Sun 13/1219:45 -

2 stops37h 10m

Mon 14/1223:55 -

2 stops26h 45m

Deal found 11/11฿60,994

Fri 11/1209:10 -

1 stop35h 50m

Fri 18/1214:25 -

1 stop39h 30m

Deal found 13/11฿62,585

Mon 14/1211:50 -

1 stop21h 05m

Mon 14/1223:55 -

2 stops28h 30m

Deal found 11/11฿62,687

Sun 13/1210:10 -

3 stops40h 20m

Mon 14/1220:10 -

2 stops29h 35m

Deal found 11/11฿66,345

Thu 31/1219:45 -

2 stops28h 00m

Fri 1/121:20 -

2 stops48h 05m

Deal found 10/11฿70,713

Thu 31/1210:10 -

3 stops40h 05m

Fri 1/120:10 -

2 stops29h 35m

Deal found 10/11฿74,676

Sun 13/1200:35 -

1 stop32h 00m

Mon 14/1223:35 -

1 stop36h 00m

Deal found 11/11฿79,451

Find flight deals from Chiang Mai to Dulles Intl

Round-trip from	฿31,801
One-way from	฿13,343

เอทิฮัดแอร์เวย์
2/2-12/2
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. Dulles Intl Airport that are best for you.

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Route

Depart

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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

฿14,055

Chiang MaiWashington, D.C.

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

CNXIAD

Chiang Mai

Sat 16/1

22:25-20:35

3 stops58h 10m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿25,502

Chiang MaiWashington, D.C.

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

CNXIAD

Chiang Mai

Sun 31/1

20:55-09:00

1 stop24h 05m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿25,535

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

฿29,227

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

฿29,803

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

฿30,514

Chiang MaiWashington, D.C.

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

CNXIAD

Chiang Mai

Mon 18/1

20:55-15:40

2 stops30h 45m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿30,920

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

฿32,918

Chiang MaiWashington, D.C.

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

CNXIAD

Chiang Mai

Fri 5/2

20:55-09:00

1 stop24h 05m

Washington, D.C. Dulles Intl

Fri 12/2

14:25-17:55

1 stop39h 30m

฿33,731

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 10/2

14:25-17:55

1 stop39h 30m

฿35,458

Flights are sorted by cheapest return flights first.

Deals found on 10/11

Showing 1-10 of 17 resultsSorted by cheapest first

Best time to book a flight from Chiang Mai to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Chiang Mai with our price prediction graph.

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.

Related info for your journey

What airport do you fly from for flights from Chiang Mai to Washington, D.C. Dulles Intl?
Located just 3.1 km from the city centre, Chiang Mai is the airport most travellers will use when flying to Washington, D.C. Dulles Intl from Chiang Mai. Booking flights from Chiang Mai (CNX) to Washington, D.C. Dulles Intl should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Dulles Intl from 0 different airlines.
How long is the flight from Chiang Mai to Washington, D.C. Dulles Intl Airport?
Airlines like เอทิฮัดแอร์เวย์ fly from Chiang Mai to Washington, D.C. Dulles Intl Airport in about 24h 05m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 13576 km.
Can I find deals for flights from Chiang Mai to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Chiang Mai to Dulles Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Chiang Mai to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chiang Mai to Dulles Intl.
Can I find deals for business class flights from Chiang Mai to Dulles Intl?
Yes. Cheapflights offers flight deals from Chiang Mai to Dulles Intl 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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Cheap flights from Chiang Mai to Washington, D.C. Dulles Intl Airport from ฿13,343

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 Dulles Intl

Cheapest flights from Chiang Mai to Dulles IntlExplore the most affordable flight options available from Chiang Mai to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 November 2026.

Explore the most affordable flight options available from Chiang Mai to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 November 2026.

Best flights from Chiang Mai to Dulles IntlDiscover carefully curated flight deals from Chiang Mai to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 November 2026.

Discover carefully curated flight deals from Chiang Mai to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 November 2026.

Last-minute flights from Chiang Mai to Dulles IntlDiscover last-minute flight deals from Chiang Mai to Dulles Intl. Data last updated 14 November 2026 and is based on user searches.

Discover last-minute flight deals from Chiang Mai to Dulles Intl. Data last updated 14 November 2026 and is based on user searches.

One-way flights from Chiang Mai to Dulles IntlSearch for one-way flight options from Chiang Mai to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 14 November 2026.

Search for one-way flight options from Chiang Mai to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 14 November 2026.

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Best time to book a flight from Chiang Mai to Dulles Intl

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Related info for your journey

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

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

Can I find deals for flights from Chiang Mai to Dulles Intl that include hotel bookings?

How can I find direct flights from Chiang Mai to Dulles Intl?

Can I find deals for business class flights from Chiang Mai to Dulles Intl?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Chiang Mai to Dulles Intl

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Chiang Mai and Dulles Intl flights

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Cheapest flights from Chiang Mai to Dulles Intl
Explore the most affordable flight options available from Chiang Mai to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 November 2026.

Best flights from Chiang Mai to Dulles Intl
Discover carefully curated flight deals from Chiang Mai to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 November 2026.

Last-minute flights from Chiang Mai to Dulles Intl
Discover last-minute flight deals from Chiang Mai to Dulles Intl. Data last updated 14 November 2026 and is based on user searches.

One-way flights from Chiang Mai to Dulles Intl
Search for one-way flight options from Chiang Mai to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 14 November 2026.