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

For as low as ฿54,415, Korean Air can have you in Washington, D.C. Reagan-National Airport from Chiang Mai in 23h 11m. 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.

฿20,300+ 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.

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Best

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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 27 October 2026.

Mon 2/1111:50 -

2 stops44h 10m

Fri 6/1118:59 -

2 stops51h 36m

Deal found 25/10฿40,060

Wed 4/1100:20 -

2 stops53h 06m

Mon 9/1106:59 -

2 stops27h 46m

Deal found 23/10฿52,456

Wed 11/1100:20 -

2 stops23h 11m

Mon 16/1120:40 -

2 stops60h 00m

Deal found 26/10฿54,415

Sun 1/1100:20 -

2 stops24h 18m

Fri 6/1106:59 -

2 stops27h 46m

Deal found 25/10฿218,607

Find flight deals from Chiang Mai to Reagan-National

Round-trip from	฿54,415
One-way from	฿20,300

Korean Air
11/11-16/11
4 total stops
83h 11m total
Chiang Mai to Washington, D.C.

Search Deals

9/12-31/12
3 total stops
39h 30m 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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Fly to

Route

Depart

Return

Price

Cheapest return flight

Chiang MaiWashington, D.C.

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

CNXDCA

Chiang Mai

Thu 10/12

23:05-16:55

3 stops53h 50m

Washington, D.C. Reagan-National

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿22,057

Chiang MaiWashington, D.C.

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

CNXDCA

Chiang Mai

Fri 11/12

23:05-21:59

3 stops34h 54m

Washington, D.C. Reagan-National

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿22,462

Chiang MaiWashington, D.C.

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

CNXDCA

Chiang Mai

Tue 8/12

17:15-20:00

3 stops38h 45m

Washington, D.C. Reagan-National

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿22,766

Chiang MaiWashington, D.C.

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

CNXDCA

Chiang Mai

Wed 9/12

17:15-17:59

2 stops36h 44m

Washington, D.C. Reagan-National

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿24,016

Chiang MaiWashington, D.C.

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

CNXDCA

Chiang Mai

Mon 18/1

20:55-16:58

2 stops32h 03m

Washington, D.C. Reagan-National

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿27,393

Chiang MaiWashington, D.C.

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

CNXDCA

Chiang Mai

Mon 7/12

00:20-23:34

2 stops35h 14m

Washington, D.C. Reagan-National

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿29,623

Chiang MaiWashington, D.C.

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

CNXDCA

Chiang Mai

Mon 18/1

20:55-16:58

2 stops32h 03m

Washington, D.C. Reagan-National

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿30,636

Chiang MaiWashington, D.C.

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

CNXDCA

Chiang Mai

Wed 11/11

00:20-11:31

2 stops23h 11m

Washington, D.C. Reagan-National

Mon 16/11

20:40-20:40

2 stops60h 00m

฿54,415

Fastest return journey

Chiang MaiWashington, D.C.

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

CNXDCA

Chiang Mai

Mon 4/1

00:20-16:37

2 stops28h 17m

Washington, D.C. Reagan-National

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿56,104

Flights are sorted by cheapest return flights first.

Deals found on 27/10

Sorted 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 ฿54,415, Korean Air can have you in Washington, D.C. Reagan-National Airport from Chiang Mai in 23h 11m. 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 ฿20,300

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Chiang Mai to 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 27 October 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 27 October 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 27 October 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 27 October 2026.

Last-minute flights from Chiang Mai to Reagan-NationalDiscover last-minute flight deals from Chiang Mai to Reagan-National. Data last updated 27 October 2026 and is based on user searches.

Discover last-minute flight deals from Chiang Mai to Reagan-National. Data last updated 27 October 2026 and is based on user searches.

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 27 October 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 27 October 2026.

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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 27 October 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 27 October 2026.

Last-minute flights from Chiang Mai to Reagan-National
Discover last-minute flight deals from Chiang Mai to Reagan-National. Data last updated 27 October 2026 and is based on user searches.

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 27 October 2026.