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Cheap flights from Chiang Mai to Washington, D.C. Reagan-National Airport from ฿29,500

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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — DCA
17 Jun — 24 Jun1
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 12 June 2025.

Round-trip from

฿45,081

One-way from

฿29,500
EVA Air
  • EVA Air
  • 5/8-17/9
  • 4 total stops
  • 83h 33m total
  • Chiang Mai to Washington, D.C.
Search Deals
12/7
  • 12/7
  • 2 total stops
  • 63h 22m 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 12 June 2025.

Tue 5/811:35CNX - DCA
2 stops45h 07mEVA Air
Wed 17/908:59DCA - CNX
2 stops38h 26mEVA Air
Deal found 11/6฿45,081
Wed 6/823:15CNX - DCA
2 stops33h 29mเดลต้า
Thu 18/919:30DCA - CNX
2 stops39h 25mเดลต้า
Deal found 11/6฿50,557
Wed 30/711:20CNX - DCA
2 stops45h 22mChina Airlines
Mon 18/818:58DCA - CNX
2 stops28h 22mChina Airlines
Deal found 10/6฿50,981
Mon 4/823:15CNX - DCA
2 stops26h 44mKorean Air
Wed 17/910:00DCA - CNX
2 stops24h 55mKorean Air
Deal found 11/6฿60,010
Tue 5/810:30CNX - DCA
3 stops34h 48mMultiple Airlines
Wed 17/906:59DCA - CNX
2 stops24h 41mMultiple Airlines
Deal found 11/6฿60,304

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 12 June 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

Tue 5/8

11:35-21:42

2 stops45h 07m

Washington, D.C. Reagan-National

Wed 17/9

08:59-10:25

2 stops38h 26m

฿45,081

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Wed 6/8

23:15-21:44

2 stops33h 29m

Washington, D.C. Reagan-National

Thu 18/9

19:30-21:55

2 stops39h 25m

฿50,557

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Wed 30/7

11:20-21:42

2 stops45h 22m

Washington, D.C. Reagan-National

Mon 18/8

18:58-10:20

2 stops28h 22m

฿50,981

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Mon 4/8

23:15-14:59

2 stops26h 44m

Washington, D.C. Reagan-National

Wed 17/9

10:00-21:55

2 stops24h 55m

฿60,010

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Tue 5/8

10:30-10:18

3 stops34h 48m

Washington, D.C. Reagan-National

Wed 17/9

06:59-18:40

2 stops24h 41m

฿60,304

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Sat 12/7

17:20-21:42

2 stops63h 22m

฿29,500

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Sun 10/8

11:35-17:58

2 stops41h 23m

฿31,553

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Sat 12/7

23:15-22:59

2 stops34h 44m

฿36,704

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Mon 17/11

00:15-11:52

2 stops23h 37m

฿152,780

Flights are sorted by cheapest return flights first.

Deals found on 11/6

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.

Cheapflights Insights

Everything you need to know about your flight from Chiang Mai to Washington, D.C. Reagan-National Airport

Rainfall in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average rainfall totals by month.

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.

Temperature in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average temperature totals by month.

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).

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 12 June 2025.
EVA Air
8.4
Very Good
1,202 reviews
Check prices

Crew

8.6

Comfort

8.3

Overall

8.4

Boarding

8.4

Entertainment

8.0

Food

8.1

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
1,202 reviews
EVA Air
8.4
Very Good
1,202 reviews
Check prices

Crew

8.6

Comfort

8.3

Overall

8.4

Boarding

8.4

Entertainment

8.0

Food

8.1

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
1,088 reviews
EVA Air
8.4
Very Good
1,202 reviews
Check prices

Crew

8.6

Comfort

8.3

Overall

8.4

Boarding

8.4

Entertainment

8.0

Food

8.1

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
738 reviews
EVA Air
8.4
Very Good
1,202 reviews
Check prices

Crew

8.6

Comfort

8.3

Overall

8.4

Boarding

8.4

Entertainment

8.0

Food

8.1

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
7,946 reviews
EVA Air
8.4
Very Good
1,202 reviews
Check prices

Crew

8.6

Comfort

8.3

Overall

8.4

Boarding

8.4

Entertainment

8.0

Food

8.1

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 ฿31,553 on EVA Air. Other airlines that offer cheap prices include เดลต้า from ฿36,704 and Korean Air from ฿152,780 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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Alternative routes for Chiang Mai to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Chiang Mai to Reagan-National?

Deals for Chiang Mai to Reagan-National flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Chiang Mai to Reagan-National?

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Can Cheapflights find flights from Chiang Mai to Reagan-National with no change fees?

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?

Not ready to book yet? You can track prices for flights from Chiang Mai to Reagan-National on Cheapflights with our Price Alert feature and get notified when better prices are available.

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