Reagan-National

$629+ 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
août 12 — août 191
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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 août 7, 2025.

Round-trip from

$1,099
(Delta)

One-way from

$664
(Delta)
From Chiang Mai to Washington, D.C. Reagan-National
One-way flight from Chiang Mai to Washington, D.C. Reagan-National

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 août 7, 2025.

This Delta deal was found by Cheapflights users on 8/5. 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.
mer. 8/2711:15 pmCNX - DCA
2 stops33h 33mDelta
mar. 12/26:00 amDCA - CNX
2 stops29h 05mDelta
Deal found 8/5$1,099
This oojo deal was found by Cheapflights users on 8/5. 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.
lun. 9/2211:35 amCNX - DCA
2 stops41h 24mEVA Air
lun. 1/195:30 pmDCA - CNX
2 stops29h 05mEVA Air
Deal found 8/5$1,167
This Delta deal was found by Cheapflights users on 8/5. 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.
lun. 8/2511:15 pmCNX - DCA
2 stops32h 32mDelta
dim. 11/307:00 amDCA - CNX
2 stops28h 05mDelta
Deal found 8/5$1,225
This Delta deal was found by Cheapflights users on 8/5. 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.
lun. 8/2511:15 pmCNX - DCA
2 stops32h 32mDelta
mar. 12/26:00 amDCA - CNX
2 stops29h 05mDelta
Deal found 8/5$1,227
This Trip.com deal was found by Cheapflights users on 8/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/811:35 amCNX - DCA
2 stops41h 24mMultiple Airlines
sam. 9/136:59 pmDCA - CNX
2 stops28h 26mMultiple Airlines
Deal found 8/6$1,287
This Delta deal was found by Cheapflights users on 8/5. 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.
mer. 8/2711:15 pmCNX - DCA
2 stops32h 32mDelta
mer. 12/34:40 pmDCA - CNX
2 stops42h 25mDelta
Deal found 8/5$1,333
This Delta deal was found by Cheapflights users on 8/5. 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.
mer. 8/2711:15 pmCNX - DCA
2 stops33h 46mDelta
jeu. 12/46:05 amDCA - CNX
2 stops29h 00mDelta
Deal found 8/5$1,335
This Trip.com deal was found by Cheapflights users on 8/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 8/3112:45 amCNX - DCA
2 stops31h 14mMultiple Airlines
sam. 9/68:00 amDCA - CNX
2 stops28h 40mMultiple Airlines
Deal found 8/5$1,359
This Delta deal was found by Cheapflights users on 8/5. 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.
sam. 8/2311:15 pmCNX - DCA
2 stops51h 10mDelta
mar. 12/28:20 amDCA - CNX
2 stops26h 45mDelta
Deal found 8/5$1,387
This Trip.com deal was found by Cheapflights users on 8/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 9/711:35 amCNX - DCA
2 stops41h 24mMultiple Airlines
ven. 9/126:59 pmDCA - CNX
2 stops28h 26mMultiple Airlines
Deal found 8/5$1,415
This oojo deal was found by Cheapflights users on 8/5. 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.
dim. 8/2411:35 amCNX - DCA
2 stops44h 24mEVA Air
mer. 12/39:30 amDCA - CNX
2 stops37h 05mEVA Air
Deal found 8/5$1,423

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 août 7, 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

mer. 8/27

11:15 pm-10:01 pm

2 stops33h 46m

Washington, D.C. Reagan-National

dim. 11/30

6:00 am-11:05 pm

2 stops29h 05m

$1,099

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

lun. 9/22

11:35 am-5:59 pm

2 stops41h 24m

Washington, D.C. Reagan-National

lun. 1/19

5:30 pm-10:35 am

2 stops29h 05m

$1,167

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

lun. 8/25

11:15 pm-8:47 pm

2 stops32h 32m

Washington, D.C. Reagan-National

dim. 11/30

7:00 am-11:05 pm

2 stops28h 05m

$1,225

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

lun. 8/25

11:15 pm-8:47 pm

2 stops32h 32m

Washington, D.C. Reagan-National

mar. 12/2

6:00 am-11:05 pm

2 stops29h 05m

$1,227

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

lun. 9/8

11:35 am-5:59 pm

2 stops41h 24m

Washington, D.C. Reagan-National

sam. 9/13

6:59 pm-10:25 am

2 stops28h 26m

$1,287

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

mer. 8/27

11:15 pm-8:47 pm

2 stops32h 32m

Washington, D.C. Reagan-National

mer. 12/3

4:40 pm-11:05 pm

2 stops42h 25m

$1,333

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

mer. 8/27

11:15 pm-10:01 pm

2 stops33h 46m

Washington, D.C. Reagan-National

jeu. 12/4

6:05 am-11:05 pm

2 stops29h 00m

$1,335

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

dim. 8/31

12:45 am-8:59 pm

2 stops31h 14m

Washington, D.C. Reagan-National

sam. 9/6

8:00 am-11:40 pm

2 stops28h 40m

$1,359

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

sam. 8/23

11:15 pm-3:25 pm

2 stops51h 10m

Washington, D.C. Reagan-National

dim. 11/30

8:20 am-11:05 pm

2 stops26h 45m

$1,387

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

dim. 9/7

11:35 am-5:59 pm

2 stops41h 24m

Washington, D.C. Reagan-National

ven. 9/12

6:59 pm-10:25 am

2 stops28h 26m

$1,415

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/6

Showing 1-10 of 18 results
1
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.

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 août 7, 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air, and Delta 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.

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
8.0
Very good

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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.

  • 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
Laurel
Rockville
Oxon Hill
Springfield
National Harbor
Dundalk
Waldorf

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