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Cheap flights from Chiang Mai to Washington, D.C. Reagan-National Airport from ฿17,820

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — DCA
16 Jul — 23 Jul1
1 adult

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 11 July 2025.

Round-trip from

฿46,351

One-way from

฿17,820
EVA Air
  • EVA Air
  • 4/8-9/9
  • 4 total stops
  • 79h 49m total
  • Chiang Mai to Washington, D.C.
Search Deals
1/9
  • 1/9
  • 3 total stops
  • 59h 04m total
  • Chiang Mai to Washington, D.C.
Search Deals

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 11 July 2025.

Mon 4/811:35CNX - DCA
2 stops41h 23mEVA Air
Tue 9/908:59DCA - CNX
2 stops38h 26mEVA Air
Deal found 11/7฿46,351
Mon 4/823:15CNX - DCA
2 stops34h 43mเดลต้า
Tue 9/906:00DCA - CNX
2 stops28h 55mเดลต้า
Deal found 10/7฿46,448
Sun 3/800:45CNX - DCA
2 stops55h 57mMultiple Airlines
Tue 9/918:59DCA - CNX
2 stops41h 41mMultiple Airlines
Deal found 11/7฿46,838
Wed 17/1200:15CNX - DCA
2 stops25h 07mKorean Air
Fri 2/107:15DCA - CNX
2 stops27h 50mKorean Air
Deal found 10/7฿52,583

Cheapflights Fare Finder

Customise 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 17,341 searches. Data last updated 11 July 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

Mon 4/8

11:35-17:58

2 stops41h 23m

Washington, D.C. Reagan-National

Tue 9/9

08:59-10:25

2 stops38h 26m

฿46,351

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Mon 4/8

23:15-22:58

2 stops34h 43m

Washington, D.C. Reagan-National

Tue 9/9

06:00-21:55

2 stops28h 55m

฿46,448

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Sun 3/8

00:45-21:42

2 stops55h 57m

Washington, D.C. Reagan-National

Tue 9/9

18:59-23:40

2 stops41h 41m

฿46,838

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Wed 17/12

00:15-13:22

2 stops25h 07m

Washington, D.C. Reagan-National

Fri 2/1

07:15-23:05

2 stops27h 50m

฿52,583

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Mon 1/9

20:55-20:59

3 stops59h 04m

฿17,820

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Mon 25/8

23:15-23:46

2 stops35h 31m

฿21,358

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Fri 14/11

11:25-17:53

2 stops42h 28m

฿22,007

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Sat 9/8

11:35-21:42

2 stops45h 07m

฿35,445

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Sat 9/8

00:45-21:42

2 stops55h 57m

฿38,626

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Thu 28/8

21:45-18:14

2 stops31h 29m

฿48,493

Flights are sorted by cheapest return flights first.

Deals found on 11/7

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 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.

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 11 July 2025.
Read reviews from past customers who have flown with EVA Air, Korean Air, andChina Airlines from Chiang Mai to Washington, D.C. Reagan-National Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Boarding

8.4

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

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
EVA Air
8.4
Very Good
1,215 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Boarding

8.4

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

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
Korean Air
8.4
Very Good
1,105 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Boarding

8.4

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

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
China Airlines
8.3
Very Good
744 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Boarding

8.4

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

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
Asiana Airlines
8.2
Very Good
454 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Boarding

8.4

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

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
เดลต้า
8.0
Very Good
7,951 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Boarding

8.4

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

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?

    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.

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

    One-way options have recently been found by users for as low as ฿21,358 on เดลต้า. Other airlines that offer cheap prices include China Airlines from ฿22,007 and EVA Air from ฿35,445 one-way.

  • 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.

See more FAQs

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Cheapflights does show flights with no change fees to all users. To see these options for flights from Chiang Mai to Reagan-National, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Chiang Mai to Reagan-National become cheaper?

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