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Cheap flights from Colombo Bandaranaike Intl Airport to Phnom Penh

CMB — PNH
9 Sep — 16 Sep1
1 adult

Cheap flight deals from Colombo to Phnom Penh

Discover tips and strategies to find the most affordable flight options for your journey from Colombo (CMB) to Phnom Penh (PNH). 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 4 September 2025.

Popular in

February

Cheapest in

September

Average price

£286
Highest demand for flights based on searches. 9% potential increase in price (£27 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£9 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Best time to book a flight from Colombo to Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh from Colombo with our price prediction graph.
Estimated return 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 Colombo Bandaranaike Intl Airport to Phnom Penh

What is the cheapest month to book a flight from Colombo Bandaranaike Intl Airport to Phnom Penh?

Currently, September is the cheapest month in which you can book a flight from Colombo Bandaranaike Intl Airport to Phnom Penh (average of £689). Flying from Colombo Bandaranaike Intl Airport to Phnom Penh in July is currently the most expensive (average of £1,232). 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 Phnom Penh

Get insights into the airlines that provide service to Phnom Penh. 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 Phnom Penh. Reviews last updated 4 September 2025.
Get a feel of what it's like to fly with Thai AirAsia from Colombo Bandaranaike Intl Airport to Phnom Penh by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai AirAsia
7.5
Good
217 reviews
Check prices

Comfort

6.8

Boarding

7.5

Food

6.1

Crew

8.0

Overall

7.5

Entertainment

5.5

Reviews

1 / 4
2.0
Mediocre

David,Jun 2025

DMK - HKT

Treat customers little heard animal, poor customer service obviously directed by the elitest and entitled Air Asia CEO
Thai AirAsia
7.5
Good
217 reviews
Thai AirAsia
7.5
Good
217 reviews
Check prices

Comfort

6.8

Boarding

7.5

Food

6.1

Crew

8.0

Overall

7.5

Entertainment

5.5

Reviews

1 / 4
2.0
Mediocre

David,Jun 2025

DMK - HKT

Treat customers little heard animal, poor customer service obviously directed by the elitest and entitled Air Asia CEO

Related info for your journey

Find useful and relevant information for your journey from Colombo to Phnom Penh. 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 Phnom Penh from Colombo Bandaranaike Intl?

    Phnom Penh Pochentong (PNH), located 5.0 mi from the city center, is the airport you fly into when you book flights from Colombo Bandaranaike Intl to Phnom Penh. 1 airline have flights to Pochentong from Colombo Bandaranaike Intl on a regular basis. Booking flights from Colombo Bandaranaike Intl to Phnom Penh Pochentong should not be difficult; the airport handles an average of 0 inbound flights from Colombo Bandaranaike Intl per day.

  • What is the cheapest airline to fly from Colombo Bandaranaike Intl Airport to Phnom Penh round-trip?

    Currently priced at £259, Thai AirAsia will fly you from Colombo Bandaranaike Intl Airport to Phnom Penh and back. In addition to Thai AirAsia, many other airlines offer competitively priced options for your trip. Users have found that Thai AirAsia is 24% cheaper than the other options available to this destination.

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

    Yes. In addition to deals on Colombo to Phnom Penh flights, Cheapflights offers holiday packages that include both flights and hotel.

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

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

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

    Yes. Cheapflights offers flight deals from Colombo to Phnom Penh 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 Colombo Bandaranaike Intl Airport to Phnom Penh?

    Currently, September is the cheapest month in which you can book a flight from Colombo Bandaranaike Intl Airport to Phnom Penh (average of £689). Flying from Colombo Bandaranaike Intl Airport to Phnom Penh in July is currently the most expensive (average of £1,232). 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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Complete your trip

Complete your trip to Phnom Penh by adding a car hire and/or hotel booking to your travel itinerary.
Phnom Penh car hire
Phnom Penh Pochentong Airport car hire

Top airline flying from Colombo to Phnom Penh

Discover the top airline that operate flights from Colombo to Phnom Penh. 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 858,174 searches. Data last updated 4 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest£259Average£311FlexibilityNo cancel feeOn-time87%
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Colombo to Phnom Penh?

When you search for this flight from Colombo to Phnom Penh, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Colombo to Phnom Penh?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Phnom Penh from Colombo.

Can Cheapflights find flights from Colombo to Phnom Penh with no change fees?

Certainly. Search results for flights to Phnom Penh from Colombo shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Colombo to Phnom Penh become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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