District of Columbia

$579+ Cheap flights from Chiang Mai (CNX) to District of Columbia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — IAD
nov. 29 — dic. 61
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chiang Mai to District of Columbia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Chiang Mai to District of Columbia

Keep the following information in mind while searching for Chiang Mai to District of Columbia flight deals. Data was last updated octubre 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$1,132
(Air China)

One-way from

$579
(SmartFares)
Provider with most accurate pricing for Chiang Mai-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Chiang Mai-Washington, D.C. (WAS) flights.
From Chiang Mai to District of Columbia
One-way flight from Chiang Mai to District of Columbia

Find flight deals from Chiang Mai to District of Columbia

Cheapest flights from Chiang Mai to District of Columbia
Explore the most affordable flight options available from Chiang Mai to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 2025.

This Air China deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/1811:05 pmCNX - IAD
1 stop31h 25mAir China
vie. 1/210:00 pmIAD - CNX
1 stop35h 50mAir China
Deal found 10/29$1,140
This Qatar Airways deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/1812:10 pmCNX - IAD
2 stops32h 10mMultiple Airlines
vie. 1/28:05 pmIAD - CNX
2 stops27h 15mMultiple Airlines
Deal found 10/30$1,391
This oojo deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/278:50 amCNX - IAD
1 stop36h 15mEtihad Airways
jue. 1/12:35 pmIAD - CNX
1 stop27h 30mEtihad Airways
Deal found 10/30$1,550
This oojo deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/2710:10 amCNX - IAD
2 stops34h 10mMultiple Airlines
jue. 1/18:05 pmIAD - CNX
2 stops25h 20mMultiple Airlines
Deal found 10/30$1,614
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/1712:15 amCNX - IAD
2 stops35h 12mDelta
vie. 1/211:50 amIAD - CNX
1 stop23h 05mDelta
Deal found 10/29$1,709

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chiang Mai to District of Columbia 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, Cheapflights users made 2,558,603 searches. Data last updated octubre 30, 2025.
Use the filters below to find and compare flights from Chiang Mai to District of Columbia that are best for you.

Fly from

Chiang Mai

Fly to

District of Columbia

Route

Depart

Return

Price

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

jue. 12/18

11:05 pm-6:30 pm

1 stop31h 25m

Washington, D.C. Dulles Intl

vie. 1/2

10:00 pm-9:50 pm

1 stop35h 50m

$1,140

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

jue. 12/18

12:10 pm-8:20 am

2 stops32h 10m

Washington, D.C. Dulles Intl

vie. 1/2

8:05 pm-11:20 am

2 stops27h 15m

$1,391

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

mié. 2/18

10:10 am-3:55 pm

2 stops41h 45m

Washington, D.C. Dulles Intl

dom. 2/22

8:05 pm-1:45 pm

2 stops29h 40m

$1,414

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

sáb. 12/27

8:50 am-9:05 am

1 stop36h 15m

Washington, D.C. Dulles Intl

jue. 1/1

2:35 pm-6:05 am

1 stop27h 30m

$1,550

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

sáb. 12/27

10:10 am-8:20 am

2 stops34h 10m

Washington, D.C. Dulles Intl

jue. 1/1

8:05 pm-9:25 am

2 stops25h 20m

$1,614

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

mié. 12/17

12:15 am-12:02 am

2 stops35h 47m

Washington, D.C. Dulles Intl

vie. 1/2

6:59 pm-10:55 pm

2 stops39h 56m

$1,709

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

mar. 2/17

12:15 am-9:13 pm

2 stops32h 58m

Washington, D.C. Reagan-National

dom. 2/22

6:00 am-10:55 pm

2 stops28h 55m

$2,932

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

lun. 2/23

8:50 am-9:05 am

1 stop36h 15m

$579

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

vie. 1/30

11:25 am-5:56 pm

2 stops42h 31m

$597

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

dom. 2/22

10:10 pm-3:55 pm

3 stops53h 45m

$604

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 19 results
1
2

Best time to book a flight from Chiang Mai to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Chiang Mai with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chiang Mai to District of Columbia
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to District of Columbia. Reviews last updated octubre 30, 2025.
Peruse reviews from past customers who have flown with Delta from Chiang Mai to District of Columbia to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

Related info for your journey

Find useful and relevant information for your journey from Chiang Mai to District of Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Chiang Mai to District of Columbia?

    Most people fly from Chiang Mai (CNX) if they book a flight from Chiang Mai to District of Columbia. Chiang Mai is conveniently located just 1.9 mi from Chiang Mai’s city center.

  • How long is the flight from Chiang Mai to District of Columbia?

    Departing from Chiang Mai to District of Columbia will take you 31h 25m. Airlines will cover a distance of 8436 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Chiang Mai to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Chiang Mai to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chiang Mai to District of Columbia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chiang Mai to District of Columbia.

  • Can I find deals for business class flights from Chiang Mai to District of Columbia?

    Yes. Cheapflights offers flight deals from Chiang Mai to District of Columbia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Chiang Mai to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.