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Cheap flights from Washington, D.C. Reagan-National Airport to Chiang Mai from $706

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Chiang Mai departing on 8/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Chiang Mai

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:30 am - 10:20 am
DCA
-
CNX
37h 50m
2 stops
Multiple Airlines Logo
11:20 am - 8:00 pm
CNX
-
DCA
43h 40m
2 stops
$1,302Multiple Airlines
Tue, Sep 22 - Fri, Oct 9
Multiple Airlines Logo
9:30 am - 10:25 am
DCA
-
CNX
61h 55m
2 stops
Multiple Airlines Logo
11:50 am - 8:00 pm
CNX
-
DCA
43h 10m
2 stops
$1,354Multiple Airlines
Thu, Oct 15 - Mon, Oct 26
Multiple Airlines Logo
6:59 pm - 10:25 am
DCA
-
CNX
52h 26m
2 stops
Multiple Airlines Logo
11:35 am - 8:00 pm
CNX
-
DCA
43h 25m
2 stops
$1,359Multiple Airlines
Thu, Aug 20 - Wed, Sep 30
Multiple Airlines Logo
6:59 pm - 10:25 am
DCA
-
CNX
52h 26m
2 stops
Multiple Airlines Logo
11:35 am - 8:00 pm
CNX
-
DCA
43h 25m
2 stops
$1,406Multiple Airlines
Sat, Aug 8 - Thu, Sep 3
Multiple Airlines Logo
6:59 pm - 10:25 am
DCA
-
CNX
52h 26m
2 stops
Multiple Airlines Logo
11:35 am - 8:00 pm
CNX
-
DCA
43h 25m
2 stops
$1,437Multiple Airlines
Sun, Aug 9 - Thu, Sep 3
Multiple Airlines Logo
9:59 am - 10:25 am
DCA
-
CNX
37h 26m
2 stops
Multiple Airlines Logo
11:35 am - 8:00 pm
CNX
-
DCA
43h 25m
2 stops
$1,446Multiple Airlines
Sun, Aug 9 - Thu, Sep 3
Multiple Airlines Logo
9:59 am - 10:25 am
DCA
-
CNX
37h 26m
2 stops
Multiple Airlines Logo
11:35 am - 8:00 pm
CNX
-
DCA
43h 25m
2 stops
$1,521Multiple Airlines
Sat, Aug 8 - Thu, Sep 3
Multiple Airlines Logo
6:59 pm - 10:25 am
DCA
-
CNX
52h 26m
2 stops
Multiple Airlines Logo
11:35 am - 8:00 pm
CNX
-
DCA
43h 25m
2 stops
$1,524Multiple Airlines
Sat, Aug 8 - Thu, Sep 3
Multiple Airlines Logo
9:59 am - 10:25 am
DCA
-
CNX
61h 26m
2 stops
Multiple Airlines Logo
11:35 am - 8:06 pm
CNX
-
DCA
43h 31m
2 stops
$1,549Multiple Airlines
Wed, May 20 - Tue, May 26
Multiple Airlines Logo
9:30 am - 4:20 pm
DCA
-
CNX
43h 50m
2 stops
Multiple Airlines Logo
5:20 pm - 8:00 pm
CNX
-
DCA
37h 40m
2 stops
$1,557Multiple Airlines
Tue, Sep 22 - Thu, Oct 8

EVA Air flights from Washington, D.C. Reagan-National Airport to Chiang Mai

Our best EVA Air deals on Washington, D.C. Reagan-National Airport to Chiang Mai flight tickets
EVA Air
Jun 11
DCA6:59 pmWashington, D.C. Reagan-National
28h 26m
2 stops
CNX10:25 amChiang Mai
Aug 31
CNX11:35 amChiang Mai
41h 24m
2 stops
DCA5:59 pmWashington, D.C. Reagan-National
$2,298
EVA Air
Jun 11
DCA6:59 pmWashington, D.C. Reagan-National
28h 26m
2 stops
CNX10:25 amChiang Mai
Aug 31
CNX11:35 amChiang Mai
41h 24m
2 stops
DCA5:59 pmWashington, D.C. Reagan-National
$2,299

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Chiang Mai 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, momondo users made 832,500 searches. Data last updated May 8, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Chiang Mai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Tue 9/22

9:30 am-10:20 am

2 stops37h 50m

Chiang Mai

Fri 10/9

11:20 am-8:00 pm

2 stops43h 40m

$1,302

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Thu 10/15

9:30 am-10:25 am

2 stops61h 55m

Chiang Mai

Mon 10/26

11:50 am-8:00 pm

2 stops43h 10m

$1,354

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Thu 8/20

6:59 pm-10:25 am

2 stops52h 26m

Chiang Mai

Wed 9/30

11:35 am-8:00 pm

2 stops43h 25m

$1,359

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Sat 8/8

6:59 pm-10:25 am

2 stops52h 26m

Chiang Mai

Thu 9/3

11:35 am-8:00 pm

2 stops43h 25m

$1,406

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Sun 8/9

6:59 pm-10:25 am

2 stops52h 26m

Chiang Mai

Thu 9/3

11:35 am-8:00 pm

2 stops43h 25m

$1,437
Quickest round-trip

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Sun 8/9

9:59 am-10:25 am

2 stops37h 26m

Chiang Mai

Thu 9/3

11:35 am-8:00 pm

2 stops43h 25m

$1,446

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Sat 8/8

9:59 am-10:25 am

2 stops37h 26m

Chiang Mai

Thu 9/3

11:35 am-8:00 pm

2 stops43h 25m

$1,521

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Sat 8/8

6:59 pm-10:25 am

2 stops52h 26m

Chiang Mai

Thu 9/3

11:35 am-8:00 pm

2 stops43h 25m

$1,524

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Wed 5/20

9:59 am-10:25 am

2 stops61h 26m

Chiang Mai

Tue 5/26

11:35 am-8:06 pm

2 stops43h 31m

$1,549

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Tue 9/22

9:30 am-4:20 pm

2 stops43h 50m

Chiang Mai

Thu 10/8

5:20 pm-8:00 pm

2 stops37h 40m

$1,557

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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When to book flights from Washington, D.C. Reagan-National Airport to Chiang Mai

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Chiang Mai according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Chiang Mai (DCA to CNX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Chiang Mai

Fastest flight time

29h 21m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Chiang Mai takes 29h 21m
There are no direct flights from Washington, D.C. Reagan-National Airport to Chiang Mai. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Chiang Mai.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Chiang Mai

  • How far is Washington, D.C. Reagan-National to Chiang Mai by plane?

    Chiang Mai is 8440.1 mi away from Washington, D.C. Reagan-National. Flights usually cover this in 29h 21m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Chiang Mai Airport?

    Prices for flights from Washington, D.C. Reagan-National Airport to Chiang Mai Airport were last updated today.

  • How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Chiang Mai Airport?

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Chiang Mai Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Chiang Mai Airport.

  • What documentation or ID do you need to fly to Chiang Mai Airport?

    The travel and health documents you'll need for your trip to Chiang Mai Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chiang Mai Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. Reagan-National Airport to Chiang Mai?

Best airlines flying from Washington, D.C. Reagan-National Airport to Chiang Mai

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Chiang Mai with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $1,068Free CancellationRating
7.9
8,456 reviews
Search Delta flights

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Chiang Mai

  • How do I get Price Alerts for flights from Washington, D.C. Reagan-National Airport to Chiang Mai?

    Search flight deals from Washington, D.C. Reagan-National Airport to Chiang Mai. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Washington, D.C. Reagan-National Airport to Chiang Mai with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Chiang Mai?

Finding the right flight to Chiang Mai from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chiang Mai quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Chiang Mai with flexible booking policies on momondo?

momondo does allow users to show only those flights to Chiang Mai from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington, D.C. to Chiang Mai?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Chiang Mai.

I’m not ready to book a flight from Washington, D.C. to Chiang Mai right now. Can momondo alert me if prices change?

Price alerts on flights to Chiang Mai from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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