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Cheap flights from Chiang Mai to Washington, D.C. from $578

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chiang Mai to Washington, D.C. departing on 3/11. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
EVA Air Logo
11:35 am - 7:34 am
CNX
-
IAD
30h 59m
2 stops
EVA Air Logo
5:35 pm - 10:25 am
IAD
-
CNX
29h 50m
2 stops
$1,043EVA Air
Tue, May 26 - Tue, Jun 2
Multiple Airlines Logo
11:35 am - 7:34 am
CNX
-
IAD
30h 59m
2 stops
Multiple Airlines Logo
6:00 am - 10:25 am
IAD
-
CNX
41h 25m
2 stops
$1,084Multiple Airlines
Tue, Jun 2 - Wed, Aug 12
Multiple Airlines Logo
11:35 am - 6:28 am
CNX
-
BWI
29h 53m
2 stops
Multiple Airlines Logo
7:50 am - 10:25 am
BWI
-
CNX
39h 35m
2 stops
$1,091Multiple Airlines
Tue, Jun 2 - Wed, Aug 12
Multiple Airlines Logo
11:35 am - 8:06 pm
CNX
-
DCA
43h 31m
2 stops
Multiple Airlines Logo
6:59 pm - 10:25 am
DCA
-
CNX
28h 26m
2 stops
$1,100Multiple Airlines
Tue, Jun 2 - Wed, Jul 29
Multiple Airlines Logo
11:35 am - 8:06 pm
CNX
-
DCA
43h 31m
2 stops
Multiple Airlines Logo
9:59 am - 10:25 am
DCA
-
CNX
37h 26m
2 stops
$1,102Multiple Airlines
Tue, Jun 2 - Wed, Aug 12
Multiple Airlines Logo
11:35 am - 8:06 pm
CNX
-
DCA
43h 31m
2 stops
Multiple Airlines Logo
6:59 pm - 10:25 am
DCA
-
CNX
28h 26m
2 stops
$1,122Multiple Airlines
Tue, Jun 2 - Tue, Aug 4
Multiple Airlines Logo
11:35 am - 7:34 am
CNX
-
IAD
30h 59m
2 stops
Multiple Airlines Logo
5:35 pm - 10:25 am
IAD
-
CNX
29h 50m
2 stops
$1,144Multiple Airlines
Tue, May 26 - Tue, Jun 2
Multiple Airlines Logo
11:35 am - 5:41 pm
CNX
-
DCA
41h 06m
2 stops
Multiple Airlines Logo
9:59 am - 10:25 am
DCA
-
CNX
37h 26m
2 stops
$1,145Multiple Airlines
Wed, Apr 8 - Thu, Apr 30
Multiple Airlines Logo
11:35 am - 7:34 am
CNX
-
IAD
30h 59m
2 stops
Multiple Airlines Logo
5:35 pm - 10:25 am
IAD
-
CNX
29h 50m
2 stops
$1,146Multiple Airlines
Tue, May 26 - Tue, Jun 2
EVA Air Logo
11:35 am - 7:34 am
CNX
-
IAD
30h 59m
2 stops
EVA Air Logo
5:35 pm - 10:25 am
IAD
-
CNX
29h 50m
2 stops
$1,151EVA Air
Tue, May 26 - Tue, Jun 2

EVA Air flights from Chiang Mai to Washington, D.C.

Our best EVA Air deals on Chiang Mai to Washington, D.C. flight tickets
EVA Air
May 26
CNX11:35 amChiang Mai
30h 59m
2 stops
IAD7:34 amWashington, D.C. Dulles Intl
Jun 2
IAD5:35 pmWashington, D.C. Dulles Intl
29h 50m
2 stops
CNX10:25 amChiang Mai
$1,043
EVA Air
May 26
CNX11:35 amChiang Mai
30h 59m
2 stops
IAD7:34 amWashington, D.C. Dulles Intl
Jun 2
IAD5:35 pmWashington, D.C. Dulles Intl
29h 50m
2 stops
CNX10:25 amChiang Mai
$1,151

Qatar Airways flights from Chiang Mai to Washington, D.C.

Our best Qatar Airways deals on Chiang Mai to Washington, D.C. flight tickets
Qatar Airways
Apr 6
CNX8:00 pmChiang Mai
54h 40m
2 stops
IAD3:40 pmWashington, D.C. Dulles Intl
Apr 29
IAD8:20 pmWashington, D.C. Dulles Intl
27h 55m
2 stops
CNX11:15 amChiang Mai
$1,432
Qatar Airways
Apr 6
CNX8:00 pmChiang Mai
54h 40m
2 stops
IAD3:40 pmWashington, D.C. Dulles Intl
May 2
IAD8:20 pmWashington, D.C. Dulles Intl
27h 55m
2 stops
CNX11:15 amChiang Mai
$1,457
Qatar Airways
Apr 11
CNX8:00 pmChiang Mai
55h 05m
2 stops
IAD4:05 pmWashington, D.C. Dulles Intl
Apr 29
IAD8:20 pmWashington, D.C. Dulles Intl
27h 55m
2 stops
CNX11:15 amChiang Mai
$1,548

momondo Fare Finder

 
Customize your flight search to find flights from Chiang Mai to Washington, D.C. 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 March 2, 2026.
Use the filters below to find and compare flights from Chiang Mai to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 5/26

11:35 am-7:34 am

2 stops30h 59m

Washington, D.C. Dulles Intl

Tue 6/2

5:35 pm-10:25 am

2 stops29h 50m

$1,043

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 6/2

11:35 am-7:34 am

2 stops30h 59m

Washington, D.C. Dulles Intl

Wed 8/12

6:00 am-10:25 am

2 stops41h 25m

$1,084

Chiang MaiBaltimore

CNX - BWI

CNXBWI

Chiang Mai

Tue 6/2

11:35 am-6:28 am

2 stops29h 53m

Baltimore/Washington

Wed 8/12

7:50 am-10:25 am

2 stops39h 35m

$1,091

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Tue 6/2

11:35 am-8:06 pm

2 stops43h 31m

Washington, D.C. Reagan-National

Wed 7/29

6:59 pm-10:25 am

2 stops28h 26m

$1,100

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Tue 6/2

11:35 am-8:06 pm

2 stops43h 31m

Washington, D.C. Reagan-National

Wed 8/12

9:59 am-10:25 am

2 stops37h 26m

$1,102

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Tue 6/2

11:35 am-8:06 pm

2 stops43h 31m

Washington, D.C. Reagan-National

Tue 8/4

6:59 pm-10:25 am

2 stops28h 26m

$1,122

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 5/26

11:35 am-7:34 am

2 stops30h 59m

Washington, D.C. Dulles Intl

Tue 6/2

5:35 pm-10:25 am

2 stops29h 50m

$1,144

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Wed 4/8

11:35 am-5:41 pm

2 stops41h 06m

Washington, D.C. Reagan-National

Thu 4/30

9:59 am-10:25 am

2 stops37h 26m

$1,145

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 5/26

11:35 am-7:34 am

2 stops30h 59m

Washington, D.C. Dulles Intl

Tue 6/2

5:35 pm-10:25 am

2 stops29h 50m

$1,146

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 5/26

11:35 am-7:34 am

2 stops30h 59m

Washington, D.C. Dulles Intl

Tue 6/2

5:35 pm-10:25 am

2 stops29h 50m

$1,151

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Chiang Mai to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Chiang Mai to Washington, D.C. flights?

You could potentially save up to 28% on your flight if you consider stops on a Chiang Mai to Washington, D.C. flight.

When to book flights from Chiang Mai to Washington, D.C.

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

Cheap Chiang Mai to Washington, D.C. (CNX to WAS) flight deals and tips

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

Fastest flight time

29h 53m

Direct flights

None
The fastest flight from Chiang Mai to Washington, D.C. takes 29h 53m
There are no direct flights from Chiang Mai to Washington, D.C.. There are no popular flight routes from Chiang Mai to Washington, D.C..
Search flight deals

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

    The distance between Chiang Mai and Washington, D.C. is about 8436.4 mi. In terms of flight time, this usually takes a little over 29h 53m.

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

    Prices for flights from Chiang Mai Airport to Washington, D.C. refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chiang Mai Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Colonial Beach
Laurel
Towson
Silver Spring
Gaithersburg
Fredericksburg
Rockville
Tysons
Manassas
Springfield
Bethesda
Fairfax
Linthicum Heights
Reston

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chiang Mai to Washington, D.C. for you.

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

Yes. All flights to Washington, D.C. from Chiang Mai on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Chiang Mai to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Chiang Mai to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport