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Cheap flights from Chiang Mai to Washington, D.C. from $568

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 2/23. 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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Qatar Airways Logo
9:40 pm - 3:55 pmCNX-IAD
30h 15m2 stops
Qatar Airways Logo
8:05 pm - 11:20 amIAD-CNX
27h 15m2 stops
$1,455Qatar Airways
Find Deal
Wed, Feb 18 - Sun, Feb 22
Delta Logo
12:15 am - 12:02 amCNX-IAD
35h 47m2 stops
Delta Logo
11:50 am - 10:55 pmIAD-CNX
23h 05m1 stop
$1,720Delta
Find Deal
Wed, Dec 17 - Fri, Jan 2
Delta Logo
12:15 am - 12:02 amCNX-IAD
35h 47m2 stops
Delta Logo
4:55 pm - 10:55 pmIAD-CNX
42h 00m2 stops
$1,724Delta
Find Deal
Wed, Dec 17 - Fri, Jan 2
Emirates Logo
9:40 pm - 8:10 amCNX-IAD
46h 30m2 stops
Emirates Logo
10:30 am - 11:20 amIAD-CNX
60h 50m2 stops
$1,789Emirates
Find Deal
Sat, Dec 27 - Sat, Jan 3
Qatar Airways Logo
7:45 pm - 3:55 pmCNX-IAD
32h 10m2 stops
Qatar Airways Logo
8:05 pm - 11:20 amIAD-CNX
27h 15m2 stops
$1,893Qatar Airways
Find Deal
Thu, Dec 18 - Fri, Jan 2
Qatar Airways Logo
7:45 pm - 3:55 pmCNX-IAD
32h 10m2 stops
Qatar Airways Logo
8:05 pm - 11:20 amIAD-CNX
27h 15m2 stops
$1,897Qatar Airways
Find Deal
Thu, Dec 18 - Fri, Jan 2
Etihad Airways Logo
8:50 am - 9:05 amCNX-IAD
36h 15m1 stop
Etihad Airways Logo
2:35 pm - 6:05 amIAD-CNX
27h 30m1 stop
$1,975Etihad Airways
Find Deal
Thu, Dec 18 - Fri, Jan 2
Etihad Airways Logo
8:50 am - 9:05 amCNX-IAD
36h 15m1 stop
Etihad Airways Logo
2:35 pm - 6:05 amIAD-CNX
27h 30m1 stop
$1,979Etihad Airways
Find Deal
Thu, Dec 18 - Fri, Jan 2
Etihad Airways Logo
12:10 pm - 9:05 amCNX-IAD
32h 55m2 stops
Etihad Airways Logo
2:35 pm - 6:05 amIAD-CNX
27h 30m1 stop
$1,999Etihad Airways
Find Deal
Wed, Feb 18 - Sun, Feb 22
Etihad Airways Logo
8:50 am - 9:05 amCNX-IAD
36h 15m1 stop
Etihad Airways Logo
2:35 pm - 6:05 amIAD-CNX
27h 30m1 stop
$2,066Etihad Airways
Find Deal
Thu, Dec 18 - Fri, Jan 2

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

Our best Qatar Airways deals on Chiang Mai to Washington, D.C. Dulles Intl Airport flight tickets
Qatar Airways
Feb 18
CNX9:40 pmChiang Mai
30h 15m
2 stops
IAD3:55 pmWashington, D.C. Dulles Intl
Feb 22
IAD8:05 pmWashington, D.C. Dulles Intl
27h 15m
2 stops
CNX11:20 amChiang Mai
$1,455
Find similar
Qatar Airways
Dec 18
CNX7:45 pmChiang Mai
32h 10m
2 stops
IAD3:55 pmWashington, D.C. Dulles Intl
Jan 2
IAD8:05 pmWashington, D.C. Dulles Intl
27h 15m
2 stops
CNX11:20 amChiang Mai
$1,893
Find similar
Qatar Airways
Dec 18
CNX7:45 pmChiang Mai
32h 10m
2 stops
IAD3:55 pmWashington, D.C. Dulles Intl
Jan 2
IAD8:05 pmWashington, D.C. Dulles Intl
27h 15m
2 stops
CNX11:20 amChiang Mai
$1,897
Find similar

Delta flights from Chiang Mai to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Chiang Mai to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Dec 17
CNX12:15 amChiang Mai
35h 12m
2 stops
IAD11:27 pmWashington, D.C. Dulles Intl
Jan 2
IAD4:55 pmWashington, D.C. Dulles Intl
42h 00m
2 stops
CNX10:55 pmChiang Mai
$1,720
Find similar
Delta
Dec 17
CNX12:15 amChiang Mai
35h 47m
2 stops
IAD12:02 amWashington, D.C. Dulles Intl
Jan 2
IAD4:55 pmWashington, D.C. Dulles Intl
42h 00m
2 stops
CNX10:55 pmChiang Mai
$1,724
Find similar
Delta
Dec 17
CNX12:15 amChiang Mai
21h 35m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
Jan 2
IAD11:50 amWashington, D.C. Dulles Intl
23h 05m
1 stop
CNX10:55 pmChiang Mai
$2,205
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chiang Mai to Washington, D.C. Dulles Intl Airport 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 December 1, 2025.
Use the filters below to find and compare flights from Chiang Mai to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Wed 2/18

9:40 pm-3:55 pm

2 stops30h 15m

Washington, D.C. Dulles Intl

Sun 2/22

8:05 pm-11:20 am

2 stops27h 15m

$1,455

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Wed 12/17

12:15 am-12:02 am

2 stops35h 47m

Washington, D.C. Dulles Intl

Fri 1/2

11:50 am-10:55 pm

1 stop23h 05m

$1,720

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Wed 12/17

12:15 am-12:02 am

2 stops35h 47m

Washington, D.C. Dulles Intl

Fri 1/2

4:55 pm-10:55 pm

2 stops42h 00m

$1,724

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Sat 12/27

9:40 pm-8:10 am

2 stops46h 30m

Washington, D.C. Dulles Intl

Sat 1/3

10:30 am-11:20 am

2 stops60h 50m

$1,789

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 12/18

7:45 pm-3:55 pm

2 stops32h 10m

Washington, D.C. Dulles Intl

Fri 1/2

8:05 pm-11:20 am

2 stops27h 15m

$1,893

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 12/18

7:45 pm-3:55 pm

2 stops32h 10m

Washington, D.C. Dulles Intl

Fri 1/2

8:05 pm-11:20 am

2 stops27h 15m

$1,897

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 12/18

8:50 am-9:05 am

1 stop36h 15m

Washington, D.C. Dulles Intl

Fri 1/2

2:35 pm-6:05 am

1 stop27h 30m

$1,975

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 12/18

8:50 am-9:05 am

1 stop36h 15m

Washington, D.C. Dulles Intl

Fri 1/2

2:35 pm-6:05 am

1 stop27h 30m

$1,979

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Wed 2/18

12:10 pm-9:05 am

2 stops32h 55m

Washington, D.C. Dulles Intl

Sun 2/22

2:35 pm-6:05 am

1 stop27h 30m

$1,999

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 12/18

8:50 am-9:05 am

1 stop36h 15m

Washington, D.C. Dulles Intl

Fri 1/2

2:35 pm-6:05 am

1 stop27h 30m

$2,066

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Chiang Mai to Washington, D.C. Dulles Intl Airport

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

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Monday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $1,108. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Chiang Mai to Washington, D.C. Dulles Intl Airport for around $1,302.

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

You could potentially save up to 49% on your flight if you consider stops on a Chiang Mai to Washington, D.C. Dulles Intl Airport flight.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Chiang Mai to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport (CNX to IAD) flight deals and tips

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

Fastest flight time

30h 15m

Direct flights

None
The fastest flight from Chiang Mai to Washington, D.C. Dulles Intl Airport takes 30h 15m
There are no direct flights from Chiang Mai to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Chiang Mai to Washington, D.C. Dulles Intl Airport.
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  • How far is Chiang Mai to Washington, D.C. Dulles Intl by plane?

    The straight-line distance from Chiang Mai to Washington, D.C. Dulles Intl is 8435.1 mi. 21h 35m is a normal flight duration for this route.

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

    Prices for flights from Chiang Mai Airport to Washington, D.C. Dulles Intl Airport were last updated today.

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

    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. Dulles Intl Airport.

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

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Harpers Ferry
Rockville
Reston
Manassas
Gaithersburg
Fairfax
Sterling

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chiang Mai to Washington, D.C.. momondo saves you time and could save you money on your trip.

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

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

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

momondo helps you find the best flight between Chiang Mai and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Washington, D.C. from Chiang Mai. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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