Cheap Flights from Phnom Penh to Colombo

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Compare Phnom Penh to Colombo Bandaranayake flight deals

Find the cheapest month or even day of the year to fly to Colombo Bandaranayake

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Flight deals from Phnom Penh to Colombo Bandaranayake

Looking for a cheap last-minute deal or the best return flight from Phnom Penh to Colombo Bandaranayake? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Phnom Penh to Colombo Bandaranayake

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Phnom Penh to Colombo Bandaranayake flights are currently cheapest in June.

Phnom Penh to Colombo Bandaranayake: Alternative routes

Compare routes from Phnom Penh to Colombo below. You may find an airport to fly into that's cheaper, faster, or easier than Colombo Bandaranayake.

Phnom Penh to Colombo: Flight information

The things to know before you go.
Cheapest flight found$598
Cheapest month to flyAugust

Finding cheap flights from Phnom Penh to Colombo Bandaranayake: Frequently asked questions

The best price we found for a return flight from Phnom Penh to Colombo Bandaranayake is $598. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Phnom Penh to Colombo Bandaranayake. But we found flights with one or more stops from $598.
As of April 2025, there are no flights flying from Phnom Penh to Colombo Bandaranayake.
The cheapest month to fly from Phnom Penh to Colombo Bandaranayake is usually April 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Phnom Penh Airport to Colombo Bandaranayake Airport on Wednesday, 20 August 2025.
No airlines currently offer direct flights between Phnom Penh Airport and Colombo Bandaranayake Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Colombo Bandaranayake but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Colombo is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Thai AirAsia offers the cheapest flight tickets to Colombo Bandaranayake.

Travelling from Phnom Penh International Airport (PNH) to Bandaranaike International Airport (CMB): what you need to know

  • During popular months like August, it's a good idea to get to the airport earlier than usual. Arrive two hours before domestic departures and four hours ahead for international flights when you travel during peak periods in general.

  • If you'd like to break up your flight from Phnom Penh International Airport to Bandaranaike International Airport, add a stopover to your trip. Simply uncheck 'Direct flights only' and find a city that appeals to you. The most popular stopovers on the PNH - CMB route are:

    • Changi International Airport

    • Kuala Lumpur International Airport

    • Suvarnabhumi Airport

  • To find out if you need a visa to enter Sri Lanka, contact your airline and the local consulate or embassy. They'll give you the latest information, including other travel documents you may need after booking your cheap ticket from PNH to CMB.

How to find the cheapest flights from Phnom Penh International Airport (PNH) to Bandaranaike International Airport (CMB)

  • The best price we've found for a one-way ticket from Phnom Penh International Airport to Bandaranaike International Airport is $280. The cheapest price for a return flight is $598. Keep in mind that fares can change due to demand when booking.

  • Don't leave things to the last moment. You're more likely to get cheap flight tickets from PNH to CMB if you book in advance. Airlines often offer some excellent early bird rates.

  • Getting cheap flight tickets from Phnom Penh International Airport to Bandaranaike International Airport is more likely if you're flexible with your travel plans. Try using the 'Whole month' search function to see the best prices across each month and score a great deal.

  • Finding a cheap ticket from PNH to CMB couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch when the price has fallen.

  • Take advantage of filters to find the right journey for you. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Phnom Penh International Airport to Bandaranaike International Airport, use the 'Sort by' function. You can also filter results by airline, departure and arrival times, and number of stops.

Handy information about Phnom Penh International Airport (PNH)

  • Phnom Penh International Airport is about 11 kilometres from central Phnom Penh. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 30 minutes or so to get there, depending on the traffic.

  • Need a convenient hotel near PNH? If you've booked an early flight from Phnom Penh International Airport to Bandaranaike International Airport, these stays will have you moments from your departure lounge:

Arriving at Bandaranaike International Airport (CMB)

Getting from Bandaranaike International Airport (CMB) to central Colombo

  • Bandaranaike International Airport is approximately 32 kilometres from the centre of Colombo. With your own car rental or if you're catching a cab, the drive is about 39 minutes.

  • Travelling on public transport takes about 1 hour and 31 minutes.

When to fly to Bandaranaike International Airport (CMB)

  • August is the busiest month for flights from Phnom Penh International Airport to Bandaranaike International Airport. To skip the crowds, head to Colombo in April.

  • When booking your flight from Phnom Penh International Airport to Bandaranaike International Airport, think about the type of weather you like. March is the warmest month in Colombo, with the temperature ranging from 24ºC to 33ºC.

  • For cooler conditions, search for a cheap ticket from PNH to CMB in January. Average temperatures are between 22ºC and 32ºC then.

More about Colombo

  • Start your Colombo trip right by finding a fantastic place to stay. As soon as you've booked your flight from PNH to CMB, have a look at our accommodation options including:

  • There are so many things to discover in this city it can be difficult to know where to begin. Gangaramaya Temple, Independence Square & Independence Memorial Hall and Viharamahadevi Park are top attractions which should be on any good Colombo itinerary.

Complete your Colombo trip with hotels and a car rental

  • Once you've secured your cheap ticket to Bandaranaike International Airport, browse our low prices and exclusive rates for hotels. You can also compare a range of car rental companies in one place to get the best car rental price for your Colombo escape.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.