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Reagan-National

$564+ Cheap flights from Chiang Mai (CNX) to Reagan-National (DCA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — DCA
nov. 1 — nov. 81
sam. 11/1
sam. 11/8
1 adult, Economy
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Cheap flight deals from Chiang Mai to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Chiang Mai (CNX) to Reagan-National (DCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated octobre 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,820
(China Airlines)

One-way from

$564
(China Airlines)
Provider with most accurate pricing for Chiang Mai-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Chiang Mai-Washington, D.C. (WAS) flights.
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From Chiang Mai to Washington, D.C. Reagan-National
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One-way flight from Chiang Mai to Washington, D.C. Reagan-National
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Find flight deals from Chiang Mai to Reagan-National

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 layovers in mind to ensure you get the best travel experience. Data last updated octobre 2, 2025.

This China Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 1/111:25 amCNX - DCA
2 stops40h 40mMultiple Airlines
ven. 5/229:59 amDCA - CNX
2 stops37h 21mMultiple Airlines
Deal found 10/1$1,820
This Delta deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/1712:15 amCNX - DCA
2 stops30h 54mDelta
dim. 2/226:00 amDCA - CNX
2 stops28h 55mDelta
Deal found 10/1$3,211
This Korean Air deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/1712:15 amCNX - DCA
2 stops34h 01mKorean Air
dim. 2/226:00 amDCA - CNX
2 stops28h 55mKorean Air
Deal found 9/30$3,324
This China Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 1/211:25 amCNX - DCA
2 stops42h 32mMultiple Airlines
ven. 5/159:59 amDCA - CNX
2 stops37h 21mMultiple Airlines
Deal found 9/30$2,554

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chiang Mai to Reagan-National that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octobre 2, 2025.
Use the filters below to find and compare flights from Chiang Mai to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Chiang Mai

Fly to

Reagan-National

Route

Depart

Return

Price

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

jeu. 1/1

11:25 am-4:05 pm

2 stops40h 40m

Washington, D.C. Reagan-National

ven. 5/22

9:59 am-10:20 am

2 stops37h 21m

$1,820

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

ven. 1/2

11:25 am-5:57 pm

2 stops42h 32m

Washington, D.C. Reagan-National

ven. 5/15

9:59 am-10:20 am

2 stops37h 21m

$2,554

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

mar. 2/17

12:15 am-7:09 pm

2 stops30h 54m

Washington, D.C. Reagan-National

dim. 2/22

6:00 am-10:55 pm

2 stops28h 55m

$3,211

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

mar. 2/17

12:15 am-10:16 pm

2 stops34h 01m

Washington, D.C. Reagan-National

dim. 2/22

6:00 am-10:55 pm

2 stops28h 55m

$3,324

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

ven. 1/30

11:25 am-8:00 pm

2 stops44h 35m

$564

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

lun. 11/10

5:35 pm-9:59 pm

2 stops40h 24m

$568

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

sam. 11/15

11:25 am-8:00 pm

2 stops44h 35m

$626

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

jeu. 1/29

11:25 am-5:56 pm

2 stops42h 31m

$641

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

sam. 1/31

10:50 pm-9:59 pm

3 stops59h 09m

$667

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

jeu. 1/29

12:15 am-8:14 pm

2 stops55h 59m

$668

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/2

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.
Estimated round-trip 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

Find useful and relevant information for your journey from Chiang Mai to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Located just 1.9 mi from the city center, Chiang Mai is the airport most travelers will use when flying to Washington, D.C. Reagan-National from Chiang Mai. Booking flights from Chiang Mai (CNX) to Washington, D.C. Reagan-National should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Reagan-National from 0 different airlines.

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

    There are many flights that can get you from Chiang Mai to Washington, D.C. Reagan-National Airport in 30h 54m. Fly via Delta or Korean Air to get the fastest option. There are 8441 mi between Chiang Mai and Washington, D.C. Reagan-National Airport. This flight may include one or multiple stops.

  • 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 vacation 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.

  • What is the cheapest month to book a flight from Chiang Mai to Washington, D.C. Reagan-National Airport?

    Currently, February is the cheapest month in which you can book a flight from Chiang Mai to Washington, D.C. Reagan-National Airport (average of $278). Flying from Chiang Mai to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $334). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Hanover
Gaithersburg
Fredericksburg
Fairfax
Linthicum Heights
Falls Church
Owings Mills
Manassas
Oxon Hill
Laurel
Towson
National Harbor
Dundalk
Waldorf

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