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Washington, D.C.

$674+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — WAS
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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Cheap 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 February 4, 2026.

This oojo deal was found by Cheapflights users on 2/1. 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 3/311:50 am
CNX
-
DCA
2 stops42h 09m
EVA Air
Tue 3/109:59 am
DCA
-
CNX
2 stops37h 36m
EVA Air
Deal found 2/1$1,032
This oojo deal was found by Cheapflights users on 2/1. 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.
Thu 3/1911:50 am
CNX
-
DCA
2 stops43h 10m
EVA Air
Thu 4/26:41 pm
DCA
-
CNX
2 stops28h 44m
EVA Air
Deal found 2/1$1,062
This oojo deal was found by Cheapflights users on 2/2. 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 6/811:35 am
CNX
-
DCA
2 stops43h 31m
EVA Air
Sat 6/136:59 pm
DCA
-
CNX
2 stops28h 26m
EVA Air
Deal found 2/2$1,092
This SmartFares deal was found by Cheapflights users on 2/1. 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.
Tue 3/311:50 am
CNX
-
IAD
2 stops41h 30m
Multiple Airlines
Tue 3/107:05 am
IAD
-
CNX
2 stops40h 30m
Multiple Airlines
Deal found 2/1$1,152
This SmartFares deal was found by Cheapflights users on 2/2. 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 6/811:35 am
CNX
-
IAD
2 stops30h 59m
Multiple Airlines
Sat 6/135:01 pm
IAD
-
CNX
2 stops30h 24m
Multiple Airlines
Deal found 2/2$1,158
This oojo deal was found by Cheapflights users on 2/3. 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 5/2611:35 am
CNX
-
IAD
2 stops30h 59m
EVA Air
Tue 6/25:33 pm
IAD
-
CNX
2 stops29h 52m
EVA Air
Deal found 2/3$1,163
This KAYAK deal was found by Cheapflights users on 2/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/911:35 am
CNX
-
DCA
2 stops43h 27m
Multiple Airlines
Sat 6/136:59 pm
DCA
-
CNX
2 stops28h 26m
Multiple Airlines
Deal found 2/2$1,165
This Gurufare deal was found by Cheapflights users on 2/2. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/711:35 am
CNX
-
DCA
2 stops43h 31m
Multiple Airlines
Sat 6/136:59 pm
DCA
-
CNX
2 stops28h 26m
Multiple Airlines
Deal found 2/2$1,167
This FlightHub deal was found by Cheapflights users on 2/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/89:10 pm
CNX
-
IAD
2 stops28h 25m
Multiple Airlines
Sun 6/1410:20 pm
IAD
-
CNX
2 stops33h 50m
Multiple Airlines
Deal found 2/2$1,184
This KAYAK deal was found by Cheapflights users on 2/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/911:35 am
CNX
-
IAD
2 stops30h 59m
Multiple Airlines
Sat 6/135:01 pm
IAD
-
CNX
2 stops30h 24m
Multiple Airlines
Deal found 2/2$1,194
This SmartFares deal was found by Cheapflights users on 2/1. 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.
Thu 3/1911:50 am
CNX
-
IAD
2 stops28h 50m
Multiple Airlines
Thu 4/27:11 pm
IAD
-
CNX
2 stops28h 14m
Multiple Airlines
Deal found 2/1$1,218
This FlightHub deal was found by Cheapflights users on 2/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/78:00 pm
CNX
-
IAD
2 stops54h 30m
Multiple Airlines
Sun 6/1410:20 pm
IAD
-
CNX
2 stops33h 50m
Multiple Airlines
Deal found 2/2$1,220

Find 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 February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,062
(oojo)

One-way from

$674
(Air China)
Provider with most accurate pricing for Chiang Mai-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chiang Mai-Washington, D.C. (WAS) flights.
Search Deals
From Chiang Mai to Washington, D.C. (WAS)
Search Deals
One-way flight from Chiang Mai to Washington, D.C. (WAS)
Search Deals

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 February 4, 2026.
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 - DCA

CNXDCA

Chiang Mai

Tue 3/3

11:50 am-5:59 pm

2 stops42h 09m

Washington, D.C. Reagan-National

Tue 3/10

9:59 am-10:35 am

2 stops37h 36m

$1,032

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Thu 3/19

11:50 am-8:00 pm

2 stops43h 10m

Washington, D.C. Reagan-National

Thu 4/2

6:41 pm-10:25 am

2 stops28h 44m

$1,062

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Mon 6/8

11:35 am-8:06 pm

2 stops43h 31m

Washington, D.C. Reagan-National

Sat 6/13

6:59 pm-10:25 am

2 stops28h 26m

$1,092

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Tue 6/9

11:35 am-8:02 pm

2 stops43h 27m

Washington, D.C. Reagan-National

Sat 6/13

6:59 pm-10:25 am

2 stops28h 26m

$1,165

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Sun 6/7

11:35 am-8:06 pm

2 stops43h 31m

Washington, D.C. Reagan-National

Sat 6/13

6:59 pm-10:25 am

2 stops28h 26m

$1,167

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Mon 6/8

11:35 am-8:06 pm

2 stops43h 31m

Washington, D.C. Reagan-National

Sun 6/14

6:59 pm-10:25 am

2 stops28h 26m

$1,167

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 6/9

11:35 am-7:34 am

2 stops30h 59m

Washington, D.C. Dulles Intl

Sat 6/13

5:01 pm-10:25 am

2 stops30h 24m

$1,194

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Fri 6/12

11:35 am-5:59 pm

2 stops41h 24m

Washington, D.C. Reagan-National

Tue 7/14

6:59 pm-10:25 am

2 stops28h 26m

$1,222

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Wed 3/18

11:50 am-8:00 pm

2 stops43h 10m

Washington, D.C. Reagan-National

Thu 4/2

6:41 pm-10:25 am

2 stops28h 44m

$1,229

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Tue 6/9

11:35 am-8:02 pm

2 stops43h 27m

Washington, D.C. Reagan-National

Sun 6/14

6:59 pm-10:25 am

2 stops28h 26m

$1,236

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 41 results
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5
  • Most accurate provider: When it comes to deals on Chiang Mai-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chiang Mai-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chiang Mai-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chiang Mai-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chiang Mai-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 February 4, 2026.
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
7.9
Good
8,138 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,138 reviews
Delta
7.9
Good
8,138 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 $1,266, EVA Air can have you in Washington, D.C. from Chiang Mai in 34h 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.

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
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Upper Marlboro
Manassas
Largo
Bowie
McLean
Clinton

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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
Chiang Mai to Dulles Intl flights
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