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Chiang Mai

$567+ Cheap flights from District of Columbia to Chiang Mai (CNX)

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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CNX
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from District of Columbia to Chiang Mai

Keep the following information in mind while searching for District of Columbia to Chiang Mai flight deals. Data was last updated May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,121
(FlightHub)

One-way from

$567
(Kiwi.com)

Popular in

April

Cheapest in

March

Average price

$1,478
Provider with most accurate pricing for Washington, D.C. (WAS)-Chiang Mai flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Chiang Mai flights.
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From District of Columbia to Chiang Mai
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One-way flight from District of Columbia to Chiang Mai
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Highest demand for flights based on searches. 1% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($77 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from District of Columbia to Chiang Mai

Cheapest flights from District of Columbia to Chiang Mai
Explore the most affordable flight options available from District of Columbia to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/19:00 pmIAD - CNX
2 stops27h 15mMultiple Airlines
Tue 9/308:00 pmCNX - IAD
2 stops30h 40mMultiple Airlines
Deal found 4/30$1,121
This oojo deal was found by Cheapflights users on 4/30. 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.
Tue 10/146:55 pmIAD - CNX
2 stops28h 30mEVA Air
Thu 10/3011:50 amCNX - IAD
2 stops29h 05mEVA Air
Deal found 4/30$1,140
This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/811:00 amIAD - CNX
2 stops35h 20mQatar Airways
Sun 5/188:00 pmCNX - IAD
2 stops30h 40mQatar Airways
Deal found 4/30$1,145
This oojo deal was found by Cheapflights users on 4/30. 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.
Thu 5/16:35 pmDCA - CNX
2 stops28h 50mEVA Air
Sun 5/1111:35 amCNX - DCA
2 stops44h 23mEVA Air
Deal found 4/30$1,235
This Travelocity deal was found by Cheapflights users on 4/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/105:02 pmDCA - CNX
2 stops43h 38mMultiple Airlines
Fri 8/2212:45 amCNX - DCA
2 stops31h 14mMultiple Airlines
Deal found 4/30$1,244
This oojo deal was found by Cheapflights users on 4/30. 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.
Thu 5/86:35 pmDCA - CNX
2 stops28h 45mChina Airlines
Sun 5/1811:20 amCNX - DCA
2 stops45h 39mChina Airlines
Deal found 4/30$1,247
This Ovago deal was found by Cheapflights users on 4/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1411:00 pmIAD - CNX
1 stop35h 50mAir China
Thu 10/3011:05 pmCNX - IAD
1 stop31h 25mAir China
Deal found 4/30$1,502
This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/16:00 amIAD - CNX
2 stops30h 40mAsiana Airlines
Sat 5/1012:45 amCNX - IAD
2 stops31h 29mAsiana Airlines
Deal found 4/30$1,580
This oojo deal was found by Cheapflights users on 5/1. 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 12/259:30 pmIAD - CNX
1 stop20h 25mEtihad Airways
Sat 1/178:45 amCNX - IAD
1 stop43h 20mEtihad Airways
Deal found 5/1$1,581
This oojo deal was found by Cheapflights users on 4/30. 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.
Wed 7/28:19 pmIAD - CNX
2 stops27h 01mChina Airlines
Sat 7/1211:20 amCNX - IAD
2 stops30h 30mChina Airlines
Deal found 4/30$1,631
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:15 amIAD - CNX
2 stops28h 40mDelta
Wed 10/2912:15 amCNX - IAD
1 stop21h 35mDelta
Deal found 4/30$1,786
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:00 amDCA - CNX
2 stops28h 55mDelta
Wed 10/2912:15 amCNX - DCA
2 stops33h 39mDelta
Deal found 4/30$1,797

Cheapflights Fare Finder

Customize your flight search to find flights from District of Columbia to Chiang Mai 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 May 1, 2025.
Use the filters below to find and compare flights from District of Columbia to Chiang Mai that are best for you.

Fly from

District of Columbia

Fly to

Chiang Mai

Route

Depart

Return

Price

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Thu 5/8

11:00 am-9:20 am

2 stops35h 20m

Chiang Mai

Sun 5/18

8:00 pm-3:40 pm

2 stops30h 40m

$1,145

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Thu 5/8

6:35 pm-10:20 am

2 stops28h 45m

Chiang Mai

Sun 5/18

11:20 am-9:59 pm

2 stops45h 39m

$1,247

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Fri 5/9

1:30 pm-11:15 am

2 stops34h 45m

Chiang Mai

Sat 5/17

9:10 pm-11:45 am

2 stops49h 35m

$1,293

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Wed 7/2

8:19 pm-10:20 am

2 stops27h 01m

Chiang Mai

Sat 7/12

11:20 am-6:50 am

2 stops30h 30m

$1,631

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Thu 5/8

6:00 am-11:40 pm

2 stops30h 40m

Chiang Mai

Sat 5/17

12:45 am-5:23 am

2 stops39h 38m

$1,673

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Sat 5/31

9:00 am-10:25 am

2 stops38h 25m

Chiang Mai

Thu 6/12

11:35 am-4:25 pm

2 stops39h 50m

$1,717

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Sat 5/31

8:00 am-10:25 am

2 stops39h 25m

Chiang Mai

Thu 6/12

11:35 am-9:42 pm

2 stops45h 07m

$1,751

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Tue 6/10

9:40 am-11:40 pm

2 stops27h 00m

Chiang Mai

Mon 6/16

12:45 am-8:52 am

2 stops43h 07m

$2,356

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Tue 6/10

1:30 pm-8:45 pm

1 stop44h 15m

Chiang Mai

Tue 6/17

11:15 pm-11:15 am

1 stop23h 00m

$2,768

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Wed 7/2

7:40 am-9:55 pm

2 stops27h 15m

Chiang Mai

Sat 7/12

11:15 pm-11:15 am

1 stop23h 00m

$2,911

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 19 results
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Best time to book a flight from District of Columbia to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from District of Columbia 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 District of Columbia to Chiang Mai

What is the cheapest time of day to fly from DC to CNX?

Find hourly flight availability from District of Columbia to Chiang Mai. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

When flying from District of Columbia to Chiang Mai, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chiang Mai ranges from 0.0 - 9.8 inches per month. September is typically the wettest month, when rainfall can reach 9.8 in. January is typically the driest time to visit Chiang Mai when rainfall is around 0.0 in.

Temperature in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chiang Mai, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

Reviews of airlines servicing Chiang Mai

Get insights into the airlines that provide service to Chiang Mai. 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 Chiang Mai. Reviews last updated May 1, 2025.
To help decide which airline to fly from District of Columbia to Chiang Mai, see what other customers have to say about EVA Air, Korean Air and China Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,186 reviews

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
EVA Air
8.4
Very good
1,186 reviews
EVA Air
8.4
Very good
1,186 reviews

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Korean Air
8.4
Very good
1,068 reviews
EVA Air
8.4
Very good
1,186 reviews

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
China Airlines
8.3
Very good
732 reviews
EVA Air
8.4
Very good
1,186 reviews

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Asiana Airlines
8.2
Very good
442 reviews
EVA Air
8.4
Very good
1,186 reviews

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Delta
8.0
Very good
7,934 reviews
EVA Air
8.4
Very good
1,186 reviews

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Chiang Mai. 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 into for flights to Chiang Mai from District of Columbia?

    Chiang Mai (CNX) is the airport you will fly into if you book a flight from District of Columbia to Chiang Mai. It is only a 1.9 mi journey from Chiang Mai (CNX) to Chiang Mai’s city center.

  • What are the cheapest airlines to fly from District of Columbia to Chiang Mai one-way?

    The cheapest airline one-way is China Airlines, with whom users have recently found tickets for as low as $625. However, be on the lookout for offers from EVA Air and Asiana Airlines, as they are both options that can get you from District of Columbia to Chiang Mai for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from District of Columbia to Chiang Mai 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 District of Columbia to Chiang Mai?

    Currently, April is the cheapest month in which you can book a flight from District of Columbia to Chiang Mai (average of $1,011). Flying from District of Columbia to Chiang Mai in December is currently the most expensive (average of $1,678). 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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Top airline flying from District of Columbia to Chiang Mai

Discover the top airline that operate flights from District of Columbia to Chiang Mai. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$1,519Average$1,781FlexibilityNo cancel feeOn-time81%

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