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Washington, D.C.

$610+ Cheap flights from Chiang Mai (CNX) to Washington, D.C. (WAS)

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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — WAS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Chiang Mai to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Chiang Mai (CNX) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$1,035
(China Airlines)

One-way from

$610
(China Airlines)
From Chiang Mai to Washington, D.C. (WAS)
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One-way flight from Chiang Mai to Washington, D.C. (WAS)
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Find flight deals from Chiang Mai to Washington, D.C.

Cheapest flights from Chiang Mai to Washington, D.C.
Explore the most affordable flight options available from Chiang Mai to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This China Airlines deal was found by Cheapflights users on 9/9. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2311:25 amCNX - IAD
2 stops30h 48mMultiple Airlines
Mon 1/126:55 pmIAD - CNX
2 stops27h 30mMultiple Airlines
Deal found 9/9$969
This China Airlines deal was found by Cheapflights users on 9/9. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:35 pmCNX - IAD
2 stops36h 08mMultiple Airlines
Mon 1/126:55 pmIAD - CNX
2 stops27h 30mMultiple Airlines
Deal found 9/9$1,031
This SmartFares deal was found by Cheapflights users on 9/10. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2211:50 amCNX - BWI
2 stops29h 54mMultiple Airlines
Mon 1/126:55 pmBWI - CNX
2 stops27h 40mMultiple Airlines
Deal found 9/10$1,088
This Delta deal was found by Cheapflights users on 9/11. 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.
Mon 9/2211:15 pmCNX - IAD
2 stops35h 02mDelta
Tue 10/215:52 pmIAD - CNX
2 stops41h 03mDelta
Deal found 9/11$1,126
This oojo deal was found by Cheapflights users on 9/9. 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.
Tue 12/2311:25 amCNX - DCA
2 stops42h 32mChina Airlines
Mon 1/125:30 pmDCA - CNX
2 stops28h 55mChina Airlines
Deal found 9/9$1,126
This Air China deal was found by Cheapflights users on 9/11. 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.
Thu 12/1811:05 pmCNX - IAD
1 stop31h 25mAir China
Fri 1/210:00 pmIAD - CNX
1 stop35h 50mAir China
Deal found 9/11$1,145
This oojo deal was found by Cheapflights users on 9/9. 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.
Mon 12/225:35 pmCNX - DCA
2 stops36h 22mChina Airlines
Mon 1/125:30 pmDCA - CNX
2 stops28h 55mChina Airlines
Deal found 9/9$1,186
This oojo deal was found by Cheapflights users on 9/10. 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.
Mon 12/2211:50 amCNX - DCA
2 stops44h 49mEVA Air
Mon 1/125:30 pmDCA - CNX
2 stops29h 05mEVA Air
Deal found 9/10$1,188
This Trip.com deal was found by Cheapflights users on 9/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2211:05 pmCNX - IAD
1 stop31h 25mAir China
Tue 10/2111:00 pmIAD - CNX
1 stop35h 50mAir China
Deal found 9/11$1,226
This Delta deal was found by Cheapflights users on 9/9. 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.
Sun 12/2112:15 amCNX - IAD
2 stops35h 12mDelta
Mon 1/127:00 amIAD - CNX
2 stops27h 55mDelta
Deal found 9/9$1,237
This oojo deal was found by Cheapflights users on 9/11. 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 9/1911:35 amCNX - DCA
2 stops44h 24mEVA Air
Fri 10/179:59 amDCA - CNX
2 stops37h 26mEVA Air
Deal found 9/11$1,278
This Trip.com deal was found by Cheapflights users on 9/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2211:05 pmCNX - IAD
1 stop31h 25mMultiple Airlines
Tue 10/219:40 pmIAD - CNX
2 stops33h 30mMultiple Airlines
Deal found 9/11$1,294

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Chiang Mai to Washington, D.C. that are best for you.

Fly from

Chiang Mai

Fly to

Washington, D.C.

Route

Depart

Return

Price

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 12/23

11:25 am-6:13 am

2 stops30h 48m

Washington, D.C. Dulles Intl

Mon 1/12

6:55 pm-10:25 am

2 stops27h 30m

$969

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Mon 12/22

5:35 pm-5:43 pm

2 stops36h 08m

Washington, D.C. Dulles Intl

Mon 1/12

6:55 pm-10:25 am

2 stops27h 30m

$1,031

Chiang MaiBaltimore

CNX - BWI

CNXBWI

Chiang Mai

Mon 12/22

11:50 am-5:44 am

2 stops29h 54m

Baltimore/Washington

Mon 1/12

6:55 pm-10:35 am

2 stops27h 40m

$1,088

Chiang MaiBaltimore

CNX - BWI

CNXBWI

Chiang Mai

Tue 12/23

11:50 am-5:44 am

2 stops29h 54m

Baltimore/Washington

Mon 1/12

6:55 pm-10:35 am

2 stops27h 40m

$1,112

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Mon 9/22

11:15 pm-11:17 pm

2 stops35h 02m

Washington, D.C. Dulles Intl

Tue 10/21

5:52 pm-9:55 pm

2 stops41h 03m

$1,126

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Tue 12/23

11:25 am-5:57 pm

2 stops42h 32m

Washington, D.C. Reagan-National

Mon 1/12

5:30 pm-10:25 am

2 stops28h 55m

$1,126

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

$1,145

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Mon 12/22

5:35 pm-5:57 pm

2 stops36h 22m

Washington, D.C. Reagan-National

Mon 1/12

5:30 pm-10:25 am

2 stops28h 55m

$1,186

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Mon 9/22

11:05 pm-7:30 pm

1 stop31h 25m

Washington, D.C. Dulles Intl

Tue 10/21

11:00 pm-9:50 pm

1 stop35h 50m

$1,226

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Sun 12/21

12:15 am-11:27 pm

2 stops35h 12m

Washington, D.C. Dulles Intl

Mon 1/12

7:00 am-10:55 pm

2 stops27h 55m

$1,237

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Showing 1-10 of 35 results
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Best time to book a flight from Chiang Mai to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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 Washington, D.C.
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated September 11, 2025.
Get a feel of what it's like to fly with Delta from Chiang Mai to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

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 Washington, D.C.. 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 Washington, D.C.?

    If you book a flight to Washington, D.C. from Chiang Mai, you will be flying from Chiang Mai, which is the city’s only airport. Chiang Mai (CNX) is located 1.9 mi from the center of Chiang Mai. There are 0 flights from Chiang Mai to Washington, D.C. per day from 0 different airlines.

  • How long is the flight from Chiang Mai to Washington, D.C.?

    For as low as $1,145, Delta can have you in Washington, D.C. from Chiang Mai in 31h 25m. The distance from Chiang Mai to Washington, D.C. is about 8436 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Chiang Mai to Washington, D.C.?

    The most popular flight routes from Chiang Mai to Washington, D.C. are Chiang Mai - Washington, D.C. Dulles Intl, Chiang Mai - Baltimore/Washington and Chiang Mai - Washington, D.C. Reagan-National.

  • Can I find deals for flights from Chiang Mai to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Chiang Mai to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chiang Mai to Washington, D.C.?

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

  • Can I find deals for business class flights from Chiang Mai to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Chiang Mai to Washington, D.C. 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 Washington, D.C.?

    Currently, August is the cheapest month in which you can book a flight from Chiang Mai to Washington, D.C. (average of $292). Flying from Chiang Mai to Washington, D.C. 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

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Woodbridge
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

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Alternative routes for Chiang Mai to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Suvarnabhumi to Dulles Intl flights
Suvarnabhumi to Reagan-National flights
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