How long is the flight from Chiang Mai to Washington, D.C. Reagan-National Airport?

For as low as ฿41,835, เดลต้า can have you in Washington, D.C. Reagan-National Airport from Chiang Mai in 26h 38m. The distance between Chiang Mai and Washington, D.C. Reagan-National Airport is about 13584 km.

In terms of precipitation, rainfall in Washington, D.C. Reagan-National 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. Reagan-National Airport when rainfall is around 66.0 mm.

If weather is an important factor for your trip to Washington, D.C. Reagan-National 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 DCA?

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. Reagan-National Airport as you normally would.

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

Most people fly from Chiang Mai (CNX) if they book a flight from Chiang Mai to Washington, D.C. Reagan-National. On average, Chiang Mai has 0 outbound flights to Washington, D.C. Reagan-National per day from 0 airlines. Chiang Mai is conveniently located just 3.1 km from Chiang Mai’s city centre.

Can I find deals for flights from Chiang Mai to Reagan-National that include hotel bookings?

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

How can I find direct flights from Chiang Mai to Reagan-National?

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

Can I find deals for business class flights from Chiang Mai to Reagan-National?

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

฿21,940+ Cheap Flights from Chiang Mai to Washington, D.C. Reagan-National Airport

Cheap flight deals from Chiang Mai to Reagan-National

Enter your travel dates to find the best prices.

Cheapest

Best

One-way

Cheapest flights from Chiang Mai to Reagan-National
Explore the most affordable flight options available from Chiang Mai to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2026.

Tue 17/1100:20 -

2 stops26h 38m

Mon 30/1106:59 -

2 stops27h 46m

Deal found 6/9฿41,835

Wed 18/1109:10 -

2 stops44h 45m

Mon 30/1111:00 -

2 stops31h 05m

Deal found 6/9฿48,994

Wed 18/1111:50 -

2 stops42h 09m

Mon 30/1118:59 -

2 stops51h 36m

Deal found 7/9฿49,555

Wed 4/1100:20 -

2 stops23h 06m

Mon 9/1106:00 -

2 stops28h 45m

Deal found 10/9฿52,063

Find flight deals from Chiang Mai to Reagan-National

Round-trip from	฿41,835
One-way from	฿21,940

เดลต้า
17/11-30/11
4 total stops
54h 24m total
Chiang Mai to Washington, D.C.

Search Deals

17/10-31/12
3 total stops
53h 44m 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. Reagan-National Airport that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

Chiang MaiWashington, D.C.

CNX Chiang Mai - DCA Washington, D.C. Reagan-National

CNXDCA

Chiang Mai

Tue 19/1

20:40-21:59

3 stops37h 19m

Washington, D.C. Reagan-National

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿23,887

Chiang MaiWashington, D.C.

CNX Chiang Mai - DCA Washington, D.C. Reagan-National

CNXDCA

Chiang Mai

Tue 6/10

23:00-10:20

2 stops46h 20m

Washington, D.C. Reagan-National

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿25,438

Fastest return journey

Chiang MaiWashington, D.C.

CNX Chiang Mai - DCA Washington, D.C. Reagan-National

CNXDCA

Chiang Mai

Mon 5/10

23:00-22:34

2 stops34h 34m

Washington, D.C. Reagan-National

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿25,767

Chiang MaiWashington, D.C.

CNX Chiang Mai - DCA Washington, D.C. Reagan-National

CNXDCA

Chiang Mai

Wed 13/1

16:30-20:00

3 stops39h 30m

Washington, D.C. Reagan-National

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿27,186

Chiang MaiWashington, D.C.

CNX Chiang Mai - DCA Washington, D.C. Reagan-National

CNXDCA

Chiang Mai

Fri 15/1

11:25-17:59

2 stops42h 34m

Washington, D.C. Reagan-National

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿27,219

Chiang MaiWashington, D.C.

CNX Chiang Mai - DCA Washington, D.C. Reagan-National

CNXDCA

Chiang Mai

Thu 14/1

11:25-17:59

2 stops42h 34m

Washington, D.C. Reagan-National

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿27,219

Chiang MaiWashington, D.C.

CNX Chiang Mai - DCA Washington, D.C. Reagan-National

CNXDCA

Chiang Mai

Sat 16/1

11:25-17:59

2 stops42h 34m

Washington, D.C. Reagan-National

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿27,318

Chiang MaiWashington, D.C.

CNX Chiang Mai - DCA Washington, D.C. Reagan-National

CNXDCA

Chiang Mai

Tue 12/1

22:30-21:59

3 stops35h 29m

Washington, D.C. Reagan-National

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿27,318

Chiang MaiWashington, D.C.

CNX Chiang Mai - DCA Washington, D.C. Reagan-National

CNXDCA

Chiang Mai

Mon 11/1

07:05-21:59

3 stops50h 54m

Washington, D.C. Reagan-National

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿27,615

Chiang MaiWashington, D.C.

CNX Chiang Mai - DCA Washington, D.C. Reagan-National

CNXDCA

Chiang Mai

Sat 30/1

09:10-18:49

2 stops45h 39m

Washington, D.C. Reagan-National

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿29,430

Flights are sorted by cheapest return flights first.

Deals found on 6/9

Showing 1-10 of 22 resultsSorted by cheapest first

Best time to book a flight from Chiang Mai to Reagan-National

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

CNX-DCA

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. Reagan-National?
Most people fly from Chiang Mai (CNX) if they book a flight from Chiang Mai to Washington, D.C. Reagan-National. On average, Chiang Mai has 0 outbound flights to Washington, D.C. Reagan-National per day from 0 airlines. Chiang Mai is conveniently located just 3.1 km from Chiang Mai’s city centre.
How long is the flight from Chiang Mai to Washington, D.C. Reagan-National Airport?
For as low as ฿41,835, เดลต้า can have you in Washington, D.C. Reagan-National Airport from Chiang Mai in 26h 38m. The distance between Chiang Mai and Washington, D.C. Reagan-National Airport is about 13584 km.
Can I find deals for flights from Chiang Mai to Reagan-National that include hotel bookings?
Yes. In addition to deals on Chiang Mai to Reagan-National flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Chiang Mai to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chiang Mai to Reagan-National.
Can I find deals for business class flights from Chiang Mai to Reagan-National?
Yes. Cheapflights offers flight deals from Chiang Mai to Reagan-National 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. Reagan-National Airport from ฿21,940

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Chiang Mai to Reagan-National

Cheapest flights from Chiang Mai to Reagan-NationalExplore the most affordable flight options available from Chiang Mai to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2026.

Explore the most affordable flight options available from Chiang Mai to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2026.

Best flights from Chiang Mai to Reagan-NationalDiscover carefully curated flight deals from Chiang Mai to Reagan-National that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Discover carefully curated flight deals from Chiang Mai to Reagan-National that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

One-way flights from Chiang Mai to Reagan-NationalSearch for one-way flight options from Chiang Mai to Reagan-National. Find affordable one-way fares based on user searches. Data last updated 11 September 2026.

Search for one-way flight options from Chiang Mai to Reagan-National. Find affordable one-way fares based on user searches. Data last updated 11 September 2026.

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Use the filters below to find and compare flights from Chiang Mai to Washington, D.C. Reagan-National Airport that are best for you.

Best time to book a flight from Chiang Mai to Reagan-National

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Related info for your journey

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

How long is the flight from Chiang Mai to Washington, D.C. Reagan-National Airport?

Can I find deals for flights from Chiang Mai to Reagan-National that include hotel bookings?

How can I find direct flights from Chiang Mai to Reagan-National?

Can I find deals for business class flights from Chiang Mai to Reagan-National?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Chiang Mai to Reagan-National

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Chiang Mai and Reagan-National flights

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Cheapest flights from Chiang Mai to Reagan-National
Explore the most affordable flight options available from Chiang Mai to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2026.

Best flights from Chiang Mai to Reagan-National
Discover carefully curated flight deals from Chiang Mai to Reagan-National that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

One-way flights from Chiang Mai to Reagan-National
Search for one-way flight options from Chiang Mai to Reagan-National. Find affordable one-way fares based on user searches. Data last updated 11 September 2026.