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Chiang Mai

$2,618+ Cheap flights from Phnom Penh (PNH) 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
PNH — CNX
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Phnom Penh to Chiang Mai

Discover tips and strategies to find the most affordable flight options for your journey from Phnom Penh (PNH) to Chiang Mai (CNX). 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 15, 2025.

Popular in

November

Cheapest in

June

Average price

$316
Highest demand for flights based on searches. 11% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Phnom Penh to Chiang Mai

One-way flights from Phnom Penh to Chiang Mai
Search for one-way flight options from Phnom Penh to Chiang Mai. Find affordable one-way fares based on user searches. Data last updated September 15, 2025.

This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:50 pmPNH - CNX
1 stop34h 15mEtihad Airways
Deal found 9/14$2,618
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.
Thu 12/47:50 pmPNH - CNX
2 stops26h 05mMultiple Airlines
Deal found 9/14$4,521

Cheapflights Fare Finder

 
Customize your flight search to find flights from Phnom Penh 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 September 15, 2025.
Use the filters below to find and compare flights from Phnom Penh to Chiang Mai that are best for you.

Fly from

Phnom Penh

Fly to

Chiang Mai

Route

Depart

Return

Price

Phnom PenhChiang Mai

PNH - CNX

PNHCNX

Phnom Penh Pochentong

Thu 12/4

7:50 pm-6:05 am

1 stop34h 15m

$2,618

Phnom PenhChiang Mai

PNH - CNX

PNHCNX

Phnom Penh Pochentong

Thu 12/4

7:50 pm-9:55 pm

2 stops26h 05m

$4,521

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Best time to book a flight from Phnom Penh to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from Phnom Penh 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 Phnom Penh to Chiang Mai

What is the cheapest month to book a flight from Phnom Penh to Chiang Mai?

Currently, September is the cheapest month in which you can book a flight from Phnom Penh to Chiang Mai (average of $975). Flying from Phnom Penh to Chiang Mai in June is currently the most expensive (average of $1,562). 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.

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 September 15, 2025.
Get a feel of what it's like to fly with Bangkok Airways, Thai Airways, and Thai AirAsia from Phnom Penh to Chiang Mai by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Bangkok Airways
8.0
Very good
113 reviews

Boarding

8.0

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

6.2

Overall

8.0

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.
Bangkok Airways
8.0
Very good
113 reviews
Bangkok Airways
8.0
Very good
113 reviews

Boarding

8.0

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

6.2

Overall

8.0

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.
Thai Airways
7.8
Good
350 reviews
Bangkok Airways
8.0
Very good
113 reviews

Boarding

8.0

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

6.2

Overall

8.0

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.
Thai AirAsia
7.5
Good
216 reviews
Bangkok Airways
8.0
Very good
113 reviews

Boarding

8.0

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

6.2

Overall

8.0

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.
Thai Vietjet Air
6.8
Okay
107 reviews
Bangkok Airways
8.0
Very good
113 reviews

Boarding

8.0

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

6.2

Overall

8.0

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.

Related info for your journey

Find useful and relevant information for your journey from Phnom Penh 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 are the cheapest airlines flying from Phnom Penh to Chiang Mai round-trip?

    According to our current data, Thai Vietjet Air ($185), Thai AirAsia ($213), and Bangkok Airways ($275) offers the cheapest pricing from Phnom Penh to Chiang Mai. Thai Vietjet Air is 28% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Phnom Penh to Chiang Mai that include hotel bookings?

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

  • How can I find direct flights from Phnom Penh to Chiang Mai?

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

  • Can I find deals for business class flights from Phnom Penh to Chiang Mai?

    Yes. Cheapflights offers flight deals from Phnom Penh 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 Phnom Penh to Chiang Mai?

    Currently, September is the cheapest month in which you can book a flight from Phnom Penh to Chiang Mai (average of $975). Flying from Phnom Penh to Chiang Mai in June is currently the most expensive (average of $1,562). 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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Alternative routes for Phnom Penh to Chiang Mai

See prices for flight routes from nearby airports that may be better suited for you.
Phnom Penh to Suvarnabhumi flights
Phnom Penh to Don Mueang Intl flights
Phnom Penh to Phuket City flights

Top 4 airlines flying from Phnom Penh to Chiang Mai

Discover the top 4 airlines that operate flights from Phnom Penh 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai Vietjet AirCheapest$185Average$237FlexibilityNo cancel feeOn-timeN/A
Thai AirAsiaCheapest$213Average$275FlexibilityNo cancel feeOn-time87%
Bangkok AirwaysCheapest$275Average$310FlexibilityNo cancel feeOn-time74%
Thai AirwaysCheapest$306Average$330FlexibilityNo cancel feeOn-time77%

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