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$575+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — IAD
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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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 September 14, 2025.

Round-trip from

$1,127
(Delta)

One-way from

$575
(China Airlines)
From Chiang Mai to District of Columbia
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One-way flight from Chiang Mai to District of Columbia
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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 September 14, 2025.

This EaseMyTrip deal was found by Cheapflights users on 9/12. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1811:05 pmCNX - IAD
1 stop31h 25mAir China
Fri 1/210:00 pmIAD - CNX
1 stop35h 50mAir China
Deal found 9/12$1,209
This Delta deal was found by Cheapflights users on 9/13. 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.
Wed 12/1712:15 amCNX - IAD
1 stop21h 35mDelta
Fri 1/27:05 amIAD - CNX
2 stops27h 50mDelta
Deal found 9/13$1,357
This Qatar Airways deal was found by Cheapflights users on 9/12. 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.
Thu 12/1812:10 pmCNX - IAD
2 stops32h 10mMultiple Airlines
Fri 1/28:05 pmIAD - CNX
2 stops25h 20mMultiple Airlines
Deal found 9/12$1,442
This Ovago deal was found by Cheapflights users on 9/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/87:45 pmCNX - DCA
3 stops57h 08mMultiple Airlines
Wed 1/216:35 pmDCA - CNX
2 stops28h 00mMultiple Airlines
Deal found 9/14$1,468
This oojo deal was found by Cheapflights users on 9/14. 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.
Fri 11/711:50 amCNX - DCA
2 stops44h 10mEVA Air
Wed 1/219:30 amDCA - CNX
2 stops37h 05mEVA Air
Deal found 9/14$1,617
This oojo deal was found by Cheapflights users on 9/14. 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.
Sat 11/811:25 amCNX - DCA
2 stops41h 28mChina Airlines
Wed 1/216:35 pmDCA - CNX
2 stops27h 50mChina Airlines
Deal found 9/14$1,633
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/79:30 amCNX - DCA
3 stops35h 25mMultiple Airlines
Wed 1/2112:55 pmDCA - CNX
3 stops33h 30mMultiple Airlines
Deal found 9/14$1,726
This Delta deal was found by Cheapflights users on 9/14. 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.
Fri 11/712:15 amCNX - DCA
2 stops23h 32mDelta
Wed 1/216:00 amDCA - CNX
2 stops28h 55mDelta
Deal found 9/14$3,281

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 September 14, 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

Tue 3/3

12:15 am-11:02 pm

2 stops34h 47m

Washington, D.C. Dulles Intl

Sun 3/15

6:15 am-10:55 pm

2 stops29h 40m

$1,127

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Wed 3/4

12:25 pm-9:50 am

2 stops33h 25m

Washington, D.C. Dulles Intl

Sun 3/15

12:50 pm-10:20 pm

2 stops46h 30m

$1,142

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 12/18

11:05 pm-6:30 pm

1 stop31h 25m

Washington, D.C. Dulles Intl

Fri 1/2

10:00 pm-9:50 pm

1 stop35h 50m

$1,209

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Wed 3/4

11:50 am-5:55 am

2 stops30h 05m

Washington, D.C. Dulles Intl

Sun 3/15

7:00 am-10:35 am

2 stops40h 35m

$1,233

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 2/17

12:15 am-9:50 am

1 stop21h 35m

Washington, D.C. Dulles Intl

Sun 2/22

11:50 am-10:55 pm

1 stop23h 05m

$1,248

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 2/17

12:15 am-1:55 pm

2 stops49h 40m

Washington, D.C. Dulles Intl

Sun 2/22

6:15 am-10:55 pm

2 stops28h 40m

$1,250

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Tue 2/17

12:15 am-3:41 pm

2 stops27h 26m

Washington, D.C. Reagan-National

Sun 2/22

6:10 am-10:55 pm

2 stops28h 45m

$1,360

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Mon 2/16

8:05 am-3:50 pm

3 stops43h 45m

$604

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Fri 1/30

11:25 am-5:32 pm

2 stops42h 07m

$614

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Tue 2/17

10:35 am-8:55 pm

3 stops46h 20m

$638

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 20 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 September 14, 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.
Delta
8.0
Very good
7,956 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Delta
8.0
Very good
7,956 reviews
Delta
8.0
Very good
7,956 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

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.

  • What is the cheapest month to book a flight from Chiang Mai to District of Columbia?

    Currently, August is the cheapest month in which you can book a flight from Chiang Mai to District of Columbia (average of $292). Flying from Chiang Mai to District of Columbia in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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