Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Chiang Mai to Washington, D.C. from $705

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 6/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Chiang Mai to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Korean Air Logo
12:15 am - 9:50 am
CNX
-
IAD
21h 35m
1 stop
Korean Air Logo
11:50 am - 10:55 pm
IAD
-
CNX
23h 05m
1 stop
$1,379Korean Air
Wed, Nov 4 - Mon, Nov 9
Qatar Airways Logo
10:10 am - 8:20 am
CNX
-
IAD
34h 10m
2 stops
Qatar Airways Logo
8:05 pm - 9:25 am
IAD
-
CNX
25h 20m
2 stops
$1,382Qatar Airways
Thu, Nov 5 - Mon, Nov 9
Qatar Airways Logo
10:10 am - 8:20 am
CNX
-
IAD
34h 10m
2 stops
Qatar Airways Logo
8:05 pm - 7:00 pm
IAD
-
CNX
34h 55m
2 stops
$1,383Qatar Airways
Thu, Nov 5 - Mon, Nov 9
Korean Air Logo
12:15 am - 9:50 am
CNX
-
IAD
21h 35m
1 stop
Korean Air Logo
11:50 am - 10:55 pm
IAD
-
CNX
23h 05m
1 stop
$1,384Korean Air
Wed, Nov 4 - Mon, Nov 9
Qatar Airways Logo
10:10 am - 8:20 am
CNX
-
IAD
34h 10m
2 stops
Qatar Airways Logo
8:05 pm - 9:25 am
IAD
-
CNX
25h 20m
2 stops
$1,385Qatar Airways
Thu, Nov 5 - Mon, Nov 9
Qatar Airways Logo
10:10 am - 8:20 am
CNX
-
IAD
34h 10m
2 stops
Qatar Airways Logo
8:05 pm - 9:25 am
IAD
-
CNX
25h 20m
2 stops
$1,387Qatar Airways
Thu, Nov 5 - Mon, Nov 9
Korean Air Logo
12:15 am - 9:50 am
CNX
-
IAD
21h 35m
1 stop
Korean Air Logo
7:30 am - 10:55 pm
IAD
-
CNX
27h 25m
2 stops
$1,533Korean Air
Wed, Nov 4 - Mon, Nov 9
Korean Air Logo
12:15 am - 9:50 am
CNX
-
IAD
21h 35m
1 stop
Korean Air Logo
7:30 am - 10:55 pm
IAD
-
CNX
27h 25m
2 stops
$1,536Korean Air
Wed, Nov 4 - Mon, Nov 9
Korean Air Logo
12:15 am - 9:50 am
CNX
-
IAD
21h 35m
1 stop
Korean Air Logo
7:30 am - 10:55 pm
IAD
-
CNX
27h 25m
2 stops
$1,538Korean Air
Wed, Nov 4 - Mon, Nov 9

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

Our best Korean Air deals on Chiang Mai to Washington, D.C. Dulles Intl Airport flight tickets
Korean Air
Nov 4
CNX12:15 amChiang Mai
21h 35m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
Nov 9
IAD11:50 amWashington, D.C. Dulles Intl
23h 05m
1 stop
CNX10:55 pmChiang Mai
$1,379
Korean Air
Nov 4
CNX12:15 amChiang Mai
21h 35m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
Nov 9
IAD11:50 amWashington, D.C. Dulles Intl
23h 05m
1 stop
CNX10:55 pmChiang Mai
$1,384
Korean Air
Nov 4
CNX12:15 amChiang Mai
21h 35m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
Nov 9
IAD7:30 amWashington, D.C. Dulles Intl
27h 25m
2 stops
CNX10:55 pmChiang Mai
$1,533

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
Nov 5
CNX10:10 amChiang Mai
34h 10m
2 stops
IAD8:20 amWashington, D.C. Dulles Intl
Nov 9
IAD8:05 pmWashington, D.C. Dulles Intl
25h 20m
2 stops
CNX9:25 amChiang Mai
$1,382
Qatar Airways
Nov 5
CNX10:10 amChiang Mai
34h 10m
2 stops
IAD8:20 amWashington, D.C. Dulles Intl
Nov 9
IAD8:05 pmWashington, D.C. Dulles Intl
34h 55m
2 stops
CNX7:00 pmChiang Mai
$1,383
Qatar Airways
Nov 5
CNX10:10 amChiang Mai
34h 10m
2 stops
IAD8:20 amWashington, D.C. Dulles Intl
Nov 9
IAD8:05 pmWashington, D.C. Dulles Intl
25h 20m
2 stops
CNX9:25 amChiang Mai
$1,385

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 June 6, 2026.
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

Cheapest round-trip
Quickest round-trip

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Wed 11/4

12:15 am-9:50 am

1 stop21h 35m

Washington, D.C. Dulles Intl

Mon 11/9

11:50 am-10:55 pm

1 stop23h 05m

$1,379

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 11/5

10:10 am-8:20 am

2 stops34h 10m

Washington, D.C. Dulles Intl

Mon 11/9

8:05 pm-9:25 am

2 stops25h 20m

$1,382

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 11/5

10:10 am-8:20 am

2 stops34h 10m

Washington, D.C. Dulles Intl

Mon 11/9

8:05 pm-7:00 pm

2 stops34h 55m

$1,383

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Wed 11/4

12:15 am-9:50 am

1 stop21h 35m

Washington, D.C. Dulles Intl

Mon 11/9

11:50 am-10:55 pm

1 stop23h 05m

$1,384

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 11/5

10:10 am-8:20 am

2 stops34h 10m

Washington, D.C. Dulles Intl

Mon 11/9

8:05 pm-9:25 am

2 stops25h 20m

$1,385

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 11/5

10:10 am-8:20 am

2 stops34h 10m

Washington, D.C. Dulles Intl

Mon 11/9

8:05 pm-9:25 am

2 stops25h 20m

$1,387

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Wed 11/4

12:15 am-9:50 am

1 stop21h 35m

Washington, D.C. Dulles Intl

Mon 11/9

7:30 am-10:55 pm

2 stops27h 25m

$1,533

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Wed 11/4

12:15 am-9:50 am

1 stop21h 35m

Washington, D.C. Dulles Intl

Mon 11/9

7:30 am-10:55 pm

2 stops27h 25m

$1,536

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Wed 11/4

12:15 am-9:50 am

1 stop21h 35m

Washington, D.C. Dulles Intl

Mon 11/9

7:30 am-10:55 pm

2 stops27h 25m

$1,538
Cheapest one-way

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Mon 6/15

11:05 pm-7:30 pm

1 stop31h 25m

$705

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

See travel insights to Washington, D.C. from

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

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

You could potentially save up to 22% 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

34h 10m

Direct flights

None
The fastest flight from Chiang Mai to Washington, D.C. Dulles Intl Airport takes 34h 10m
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.
Search flight deals

Frequently asked questions about flying from Chiang Mai to Washington, D.C. Dulles Intl Airport

  • 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. 34h 10m 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
Waldorf
Woodbridge
Laurel
Gaithersburg
Fredericksburg
Colonial Beach
Silver Spring
Rockville
Towson
Linthicum Heights
Manassas
Sterling
Tysons
Springfield
Fairfax

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.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 7/6
Mon 7/13
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.