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Reagan-National

$708+ 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — DCA
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
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 July 30, 2025.

Round-trip from

$1,153
(EaseMyTrip)

One-way from

$663
(Delta)
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

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 July 30, 2025.

This EaseMyTrip deal was found by Cheapflights users on 7/30. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/711:20 amCNX - DCA
2 stops44h 39mMultiple Airlines
Fri 9/128:59 amDCA - CNX
2 stops38h 21mMultiple Airlines
Deal found 7/30$1,153
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/411:35 amCNX - DCA
2 stops45h 07mEVA Air
Tue 9/98:59 amDCA - CNX
2 stops38h 26mEVA Air
Deal found 7/30$1,395
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2811:20 amCNX - DCA
2 stops44h 39mChina Airlines
Sun 1/119:30 amDCA - CNX
2 stops36h 55mChina Airlines
Deal found 7/30$6,030
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2811:15 pmCNX - DCA
2 stops29h 05mDelta
Sun 12/77:00 amDCA - CNX
2 stops28h 05mDelta
Deal found 7/30$7,551

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 July 30, 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

Sun 9/7

11:20 am-8:59 pm

2 stops44h 39m

Washington, D.C. Reagan-National

Fri 9/12

8:59 am-10:20 am

2 stops38h 21m

$1,153

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Sun 9/28

11:20 am-8:59 pm

2 stops44h 39m

Washington, D.C. Reagan-National

Sun 12/7

9:30 am-10:25 am

2 stops36h 55m

$6,030

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Sun 9/28

11:15 pm-5:20 pm

2 stops29h 05m

Washington, D.C. Reagan-National

Sun 12/7

7:00 am-11:05 pm

2 stops28h 05m

$7,551

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Fri 11/14

11:25 am-5:58 pm

2 stops42h 33m

$708

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Thu 11/13

12:15 am-5:27 pm

2 stops29h 12m

$715

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Tue 8/19

12:45 am-8:59 pm

2 stops31h 14m

$936

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Sun 8/10

12:35 am-9:42 pm

3 stops56h 07m

$1,044

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Thu 8/21

9:45 pm-10:46 pm

2 stops36h 01m

$1,507

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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.

Reviews of airlines servicing Reagan-National

Get insights into the airlines that provide service to Reagan-National. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Reagan-National. Reviews last updated July 30, 2025.
Get a feel of what it's like to fly with Korean Air, China Airlines, and Asiana Airlines from Chiang Mai to Washington, D.C. Reagan-National Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,121 reviews

Food

8.1

Boarding

8.5

Comfort

8.2

Crew

8.7

Overall

8.4

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Korean Air
8.4
Very good
1,121 reviews
Korean Air
8.4
Very good
1,121 reviews

Food

8.1

Boarding

8.5

Comfort

8.2

Crew

8.7

Overall

8.4

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
China Airlines
8.3
Very good
754 reviews
Korean Air
8.4
Very good
1,121 reviews

Food

8.1

Boarding

8.5

Comfort

8.2

Crew

8.7

Overall

8.4

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Asiana Airlines
8.2
Very good
467 reviews
Korean Air
8.4
Very good
1,121 reviews

Food

8.1

Boarding

8.5

Comfort

8.2

Crew

8.7

Overall

8.4

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Delta
8.0
Very good
7,980 reviews
Korean Air
8.4
Very good
1,121 reviews

Food

8.1

Boarding

8.5

Comfort

8.2

Crew

8.7

Overall

8.4

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

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.

  • What are the cheapest airlines to fly from Chiang Mai to Washington, D.C. Reagan-National Airport one-way?

    $663 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on China Airlines and Asiana Airlines, with prices starting from $708 and $818, respectively.

  • 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 $335). 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
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Easton
Fairfax
Manassas
Falls Church
Waldorf
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Bowie

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