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Washington, D.C.

$553+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — WAS
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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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 November 3, 2025.

This Air China deal was found by Cheapflights users on 10/31. 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 10/31$1,142
This Qatar Airways deal was found by Cheapflights users on 10/31. 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 stops27h 15mMultiple Airlines
Deal found 10/31$1,388
This Gurufare deal was found by Cheapflights users on 11/1. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1611:50 amCNX - DCA
2 stops42h 09mMultiple Airlines
Tue 12/236:57 pmDCA - CNX
2 stops51h 38mMultiple Airlines
Deal found 11/1$1,527
This SmartFares deal was found by Cheapflights users on 11/1. 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 12/1611:25 amCNX - BWI
2 stops30h 15mMultiple Airlines
Tue 12/237:00 pmBWI - CNX
2 stops27h 25mMultiple Airlines
Deal found 11/1$1,531
This oojo deal was found by Cheapflights users on 11/2. 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.
Sat 12/278:50 amCNX - IAD
1 stop36h 15mEtihad Airways
Thu 1/12:35 pmIAD - CNX
1 stop27h 30mEtihad Airways
Deal found 11/2$1,559
This China Airlines deal was found by Cheapflights users on 11/1. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1611:25 amCNX - IAD
2 stops41h 11mMultiple Airlines
Tue 12/236:43 pmIAD - CNX
2 stops27h 42mMultiple Airlines
Deal found 11/1$1,600
This oojo deal was found by Cheapflights users on 11/2. 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.
Sat 12/2710:10 amCNX - IAD
2 stops34h 10mMultiple Airlines
Thu 1/18:05 pmIAD - CNX
2 stops25h 20mMultiple Airlines
Deal found 11/2$1,623
This Delta deal was found by Cheapflights users on 10/31. 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
2 stops35h 12mDelta
Fri 1/27:05 amIAD - CNX
2 stops27h 50mDelta
Deal found 10/31$1,712
This Delta deal was found by Cheapflights users on 10/31. 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 - BWI
2 stops36h 06mDelta
Fri 1/24:49 pmBWI - CNX
2 stops42h 06mDelta
Deal found 10/31$2,294
This Qatar Airways deal was found by Cheapflights users on 10/31. 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 12/189:05 pmCNX - BWI
3 stops34h 24mMultiple Airlines
Fri 1/210:16 amBWI - CNX
3 stops35h 09mMultiple Airlines
Deal found 10/31$2,374
This Korean Air deal was found by Cheapflights users on 10/31. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1810:05 pmCNX - BWI
2 stops27h 56mKorean Air
Fri 1/26:00 amBWI - CNX
2 stops28h 55mKorean Air
Deal found 10/31$2,547
This Air China deal was found by Cheapflights users on 11/1. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1811:05 pmCNX - BWI
2 stops45h 12mAir China
Fri 1/28:00 amBWI - CNX
2 stops49h 50mAir China
Deal found 11/1$2,583

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 November 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$1,142
(Air China)

One-way from

$553
(Kiwi.com)
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 November 3, 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

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

$1,142

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 12/18

12:10 pm-8:20 am

2 stops32h 10m

Washington, D.C. Dulles Intl

Fri 1/2

8:05 pm-11:20 am

2 stops27h 15m

$1,388

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Wed 2/18

12:10 pm-3:55 pm

2 stops39h 45m

Washington, D.C. Dulles Intl

Sun 2/22

8:05 pm-11:20 am

2 stops27h 15m

$1,417

Chiang MaiBaltimore

CNX - BWI

CNXBWI

Chiang Mai

Tue 12/16

11:25 am-5:40 am

2 stops30h 15m

Baltimore/Washington

Tue 12/23

7:00 pm-10:25 am

2 stops27h 25m

$1,531

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Sat 12/27

8:50 am-9:05 am

1 stop36h 15m

Washington, D.C. Dulles Intl

Thu 1/1

2:35 pm-6:05 am

1 stop27h 30m

$1,559

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Sat 12/27

10:10 am-8:20 am

2 stops34h 10m

Washington, D.C. Dulles Intl

Thu 1/1

8:05 pm-9:25 am

2 stops25h 20m

$1,623

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Wed 12/17

12:15 am-11:27 pm

2 stops35h 12m

Washington, D.C. Dulles Intl

Fri 1/2

7:05 am-10:55 pm

2 stops27h 50m

$1,712

Chiang MaiBaltimore

CNX - BWI

CNXBWI

Chiang Mai

Wed 12/17

12:15 am-12:21 am

2 stops36h 06m

Baltimore/Washington

Fri 1/2

4:49 pm-10:55 pm

2 stops42h 06m

$2,294

Chiang MaiBaltimore

CNX - BWI

CNXBWI

Chiang Mai

Thu 12/18

9:05 pm-7:29 pm

3 stops34h 24m

Baltimore/Washington

Fri 1/2

10:16 am-11:20 am

3 stops37h 04m

$2,382

Chiang MaiBaltimore

CNX - BWI

CNXBWI

Chiang Mai

Thu 12/18

10:05 pm-2:01 pm

2 stops27h 56m

Baltimore/Washington

Fri 1/2

6:00 am-10:55 pm

2 stops28h 55m

$2,547

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Showing 1-10 of 44 results
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  • 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 November 3, 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
7.9
Good
8,001 reviews

Boarding

8.2

Overall

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Delta
7.9
Good
8,001 reviews
Delta
7.9
Good
8,001 reviews

Boarding

8.2

Overall

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.

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 $1,142, Air China 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.

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
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Owings Mills
Linthicum Heights
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf
Bowie

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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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