Find flights
When to book
Airlines
FAQs

Cheap flights from Chiang Mai to Washington, D.C. Reagan-National Airport from ฿27,728

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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — DCA
23 Apr — 30 Apr1
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 18 April 2025.

Round-trip from

฿58,884

One-way from

฿27,728
China Airlines
  • China Airlines
  • 6/8-3/11
  • 4 total stops
  • 78h 33m total
  • Chiang Mai to Washington, D.C.
Search Deals
China Airlines
  • China Airlines
  • 5/8
  • 2 total stops
  • 41h 38m 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 18 April 2025.

Sun 9/1100:15CNX - DCA
2 stops35h 16mเดลต้า
Fri 14/1108:20DCA - CNX
2 stops26h 45mเดลต้า
Deal found 18/4฿42,873
Wed 6/811:20CNX - DCA
2 stops41h 38mChina Airlines
Mon 3/1109:30DCA - CNX
2 stops36h 55mChina Airlines
Deal found 17/4฿58,884
Wed 6/811:35CNX - DCA
2 stops45h 07mEVA Air
Mon 3/1109:30DCA - CNX
2 stops37h 05mEVA Air
Deal found 17/4฿59,750
Mon 10/1112:25CNX - DCA
3 stops33h 04mMultiple Airlines
Fri 14/1117:58DCA - CNX
3 stops29h 27mMultiple Airlines
Deal found 18/4฿340,091

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 18 April 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

Wed 6/8

11:20-17:58

2 stops41h 38m

Washington, D.C. Reagan-National

Mon 3/11

09:30-10:25

2 stops36h 55m

฿58,884

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Wed 6/8

11:35-21:42

2 stops45h 07m

Washington, D.C. Reagan-National

Mon 3/11

09:30-10:35

2 stops37h 05m

฿59,750

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Tue 5/8

11:20-17:58

2 stops41h 38m

฿27,728

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Fri 11/7

00:45-21:42

2 stops31h 57m

฿28,460

Flights are sorted by cheapest return flights first.

Deals found on 16/4

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 18 April 2025.
EVA Air
8.4
Very Good
1,177 reviews
Check prices

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

Food

8.1

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very Good
1,177 reviews
EVA Air
8.4
Very Good
1,177 reviews
Check prices

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

Food

8.1

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
China Airlines
8.2
Very Good
729 reviews
EVA Air
8.4
Very Good
1,177 reviews
Check prices

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

Food

8.1

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Chiang Mai to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.
Chiang Mai to Dulles Intl flights
Chiang Mai to Baltimore flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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?

Millions of users choose and trust Cheapflights to book the best flight deals from Chiang Mai to Reagan-National for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights