Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Chiang Mai to Washington, D.C. from $798

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 7/17. 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

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
STARLUX Airlines Logo
5:20 pm - 5:40 am
CNX
-
IAD
47h 20m
2 stops
STARLUX Airlines Logo
5:57 pm - 4:20 pm
IAD
-
CNX
35h 23m
2 stops
$1,265STARLUX Airlines
Thu, Sep 10 - Sun, Sep 13
STARLUX Airlines Logo
5:20 pm - 5:40 am
CNX
-
IAD
47h 20m
2 stops
STARLUX Airlines Logo
5:57 pm - 4:20 pm
IAD
-
CNX
35h 23m
2 stops
$1,270STARLUX Airlines
Thu, Sep 10 - Sun, Sep 13
STARLUX Airlines Logo
5:20 pm - 5:40 am
CNX
-
IAD
47h 20m
2 stops
STARLUX Airlines Logo
5:57 pm - 4:20 pm
IAD
-
CNX
35h 23m
2 stops
$1,383STARLUX Airlines
Thu, Sep 10 - Sun, Sep 13
Korean Air Logo
9:45 pm - 11:05 am
CNX
-
IAD
24h 20m
1 stop
Korean Air Logo
1:15 pm - 8:45 pm
IAD
-
CNX
44h 30m
1 stop
$1,604Korean Air
Thu, Sep 10 - Sun, Sep 13
Korean Air Logo
9:45 pm - 11:05 am
CNX
-
IAD
24h 20m
1 stop
Korean Air Logo
1:15 pm - 8:45 pm
IAD
-
CNX
44h 30m
1 stop
$1,611Korean Air
Thu, Sep 10 - Sun, Sep 13
Korean Air Logo
9:45 pm - 11:05 am
CNX
-
IAD
24h 20m
1 stop
Korean Air Logo
1:15 pm - 8:45 pm
IAD
-
CNX
44h 30m
1 stop
$1,618Korean Air
Thu, Sep 10 - Sun, Sep 13
Korean Air Logo
9:45 pm - 11:05 am
CNX
-
IAD
24h 20m
1 stop
Korean Air Logo
8:00 am - 8:45 pm
IAD
-
CNX
25h 45m
2 stops
$1,650Korean Air
Thu, Sep 10 - Sun, Sep 13
Korean Air Logo
9:45 pm - 11:05 am
CNX
-
IAD
24h 20m
1 stop
Korean Air Logo
7:00 am - 8:45 pm
IAD
-
CNX
26h 45m
2 stops
$1,657Korean Air
Thu, Sep 10 - Sun, Sep 13
Korean Air Logo
9:45 pm - 11:05 am
CNX
-
IAD
24h 20m
1 stop
Korean Air Logo
7:00 am - 8:45 pm
IAD
-
CNX
26h 45m
2 stops
$1,665Korean Air
Thu, Sep 10 - Sun, Sep 13
Korean Air Logo
9:45 pm - 4:32 pm
CNX
-
DCA
53h 47m
2 stops
Korean Air Logo
9:00 am - 8:45 pm
DCA
-
CNX
48h 45m
2 stops
$1,702Korean Air
Thu, Sep 10 - Sun, Sep 13

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

STARLUX Airlines flights from Chiang Mai to Washington, D.C.

Our best STARLUX Airlines deals on Chiang Mai to Washington, D.C. flight tickets
STARLUX Airlines
Sep 10
CNX5:20 pmChiang Mai
47h 20m
2 stops
IAD5:40 amWashington, D.C. Dulles Intl
Sep 13
IAD5:57 pmWashington, D.C. Dulles Intl
35h 23m
2 stops
CNX4:20 pmChiang Mai
$1,265
STARLUX Airlines
Sep 10
CNX5:20 pmChiang Mai
47h 20m
2 stops
IAD5:40 amWashington, D.C. Dulles Intl
Sep 13
IAD5:57 pmWashington, D.C. Dulles Intl
35h 23m
2 stops
CNX4:20 pmChiang Mai
$1,266
STARLUX Airlines
Sep 10
CNX5:20 pmChiang Mai
47h 20m
2 stops
IAD5:40 amWashington, D.C. Dulles Intl
Sep 13
IAD5:57 pmWashington, D.C. Dulles Intl
35h 23m
2 stops
CNX4:20 pmChiang Mai
$1,270

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

Our best Korean Air deals on Chiang Mai to Washington, D.C. flight tickets
Korean Air
Sep 10
CNX9:45 pmChiang Mai
24h 20m
1 stop
IAD11:05 amWashington, D.C. Dulles Intl
Sep 13
IAD1:15 pmWashington, D.C. Dulles Intl
44h 30m
1 stop
CNX8:45 pmChiang Mai
$1,604
Korean Air
Sep 10
CNX9:45 pmChiang Mai
24h 20m
1 stop
IAD11:05 amWashington, D.C. Dulles Intl
Sep 13
IAD1:15 pmWashington, D.C. Dulles Intl
44h 30m
1 stop
CNX8:45 pmChiang Mai
$1,606
Korean Air
Sep 10
CNX9:45 pmChiang Mai
24h 20m
1 stop
IAD11:05 amWashington, D.C. Dulles Intl
Sep 13
IAD1:15 pmWashington, D.C. Dulles Intl
44h 30m
1 stop
CNX8:45 pmChiang Mai
$1,611

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 June 21, 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

Cheapest round-trip

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 9/10

5:20 pm-5:40 am

2 stops47h 20m

Washington, D.C. Dulles Intl

Sun 9/13

5:57 pm-4:20 pm

2 stops35h 23m

$1,265

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 9/10

5:20 pm-5:40 am

2 stops47h 20m

Washington, D.C. Dulles Intl

Sun 9/13

5:57 pm-4:20 pm

2 stops35h 23m

$1,270

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 9/10

5:20 pm-5:40 am

2 stops47h 20m

Washington, D.C. Dulles Intl

Sun 9/13

5:57 pm-4:20 pm

2 stops35h 23m

$1,383

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 9/10

9:45 pm-11:05 am

1 stop24h 20m

Washington, D.C. Dulles Intl

Sun 9/13

1:15 pm-8:45 pm

1 stop44h 30m

$1,604

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 9/10

9:45 pm-11:05 am

1 stop24h 20m

Washington, D.C. Dulles Intl

Sun 9/13

1:15 pm-8:45 pm

1 stop44h 30m

$1,611

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 9/10

9:45 pm-11:05 am

1 stop24h 20m

Washington, D.C. Dulles Intl

Sun 9/13

1:15 pm-8:45 pm

1 stop44h 30m

$1,618
Quickest round-trip

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 9/10

9:45 pm-11:05 am

1 stop24h 20m

Washington, D.C. Dulles Intl

Sun 9/13

8:00 am-8:45 pm

2 stops25h 45m

$1,650

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 9/10

9:45 pm-11:05 am

1 stop24h 20m

Washington, D.C. Dulles Intl

Sun 9/13

7:00 am-8:45 pm

2 stops26h 45m

$1,657

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 9/10

9:45 pm-11:05 am

1 stop24h 20m

Washington, D.C. Dulles Intl

Sun 9/13

7:00 am-8:45 pm

2 stops26h 45m

$1,665

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Thu 9/10

9:45 pm-4:32 pm

2 stops53h 47m

Washington, D.C. Reagan-National

Sun 9/13

9:00 am-8:45 pm

2 stops48h 45m

$1,702

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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.

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 9% 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

38h 40m

Direct flights

None
The fastest flight from Chiang Mai to Washington, D.C. takes 38h 40m
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

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

  • 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 38h 40m.

  • 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
Laurel
Fredericksburg
Gaithersburg
Colonial Beach
Rockville
Linthicum Heights
Silver Spring
Towson
Manassas
Tysons
Springfield
Bethesda
Fairfax
College Park

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.

An easier way to manage your Washington, D.C. 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
Tue 7/21
Tue 7/28
By creating a price alert you accept our terms of use and privacy policy.

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