CMB - KTI

£168 Find Cheap Flights from Colombo to Phnom Penh – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£346
Typical prices: £305-£418
Thai AirAsia
Sun 2/12Sun 9/12
CMB - KTI • 1 stop
Cheapest one-way flight
£307
Typical prices: £170-£259
Emirates
Mon 19/11
CMB - KTI • 3 stops
Direct flights
There are currently no direct flights between Colombo Bandaranaike Intl Airport and Phnom Penh. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
Cheapest • 21% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg £296 (return)
Shortest trip • 7h 37m (one-way)
Insights
Insights
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We hope you enjoy your trip to Phnom Penh!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Colombo to Phnom Penh (CMB-KTI)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Colombo to Phnom Penh

Wed, 2 Dec - Wed, 9 Dec
Thai AirAsia Logo
23:00 - 14:20CMB  Colombo Bandaranaike Intl-KTI Phnom Penh Techo Intl
13h 50m1 stop Bangkok Don Mueang Intl
Thai AirAsia Logo
15:15 - 22:00KTI  Phnom Penh Techo Intl-CMB Colombo Bandaranaike Intl
8h 15m1 stop Bangkok Don Mueang Intl
£346Thai AirAsia
Wed, 2 Dec - Wed, 9 Dec
Thai AirAsia Logo
23:00 - 14:20CMB  Colombo Bandaranaike Intl-KTI Phnom Penh Techo Intl
13h 50m1 stop Bangkok Don Mueang Intl
Thai AirAsia Logo
15:15 - 22:00KTI  Phnom Penh Techo Intl-CMB Colombo Bandaranaike Intl
8h 15m1 stop Bangkok Don Mueang Intl
£359Thai AirAsia
Wed, 2 Dec - Wed, 9 Dec
Thai AirAsia Logo
23:00 - 14:20CMB  Colombo Bandaranaike Intl-KTI Phnom Penh Techo Intl
13h 50m1 stop Bangkok Don Mueang Intl
Thai AirAsia Logo
15:15 - 22:00KTI  Phnom Penh Techo Intl-CMB Colombo Bandaranaike Intl
8h 15m1 stop Bangkok Don Mueang Intl
£376Thai AirAsia
Mon, 5 Apr - Fri, 23 Apr
Singapore Airlines Logo
00:50 - 17:40CMB  Colombo Bandaranaike Intl-KTI Phnom Penh Techo Intl
39h 20m1 stop Singapore Changi
Singapore Airlines Logo
09:35 - 23:35KTI  Phnom Penh Techo Intl-CMB Colombo Bandaranaike Intl
15h 30m1 stop Singapore Changi
£378Singapore Airlines
Sun, 4 Apr - Fri, 23 Apr
Singapore Airlines Logo
00:50 - 08:40CMB  Colombo Bandaranaike Intl-KTI Phnom Penh Techo Intl
30h 20m1 stop Singapore Changi
Singapore Airlines Logo
16:20 - 23:35KTI  Phnom Penh Techo Intl-CMB Colombo Bandaranaike Intl
8h 45m1 stop Singapore Changi
£385Singapore Airlines
Wed, 18 Nov - Fri, 27 Nov
Emirates Logo
02:40 - 16:35CMB  Colombo Bandaranaike Intl-KTI Phnom Penh Techo Intl
36h 25m2 stops Dubai Intl Singapore Changi
Emirates Logo
21:40 - 18:25KTI  Phnom Penh Techo Intl-CMB Colombo Bandaranaike Intl
46h 15m3 stops Singapore Changi Dubai Intl Male
£461Emirates
Mon, 5 Apr - Fri, 23 Apr
Emirates Logo
02:05 - 16:40CMB  Colombo Bandaranaike Intl-KTI Phnom Penh Techo Intl
37h 05m2 stops Dubai Intl Singapore Changi
Emirates Logo
20:45 - 01:05KTI  Phnom Penh Techo Intl-CMB Colombo Bandaranaike Intl
29h 50m2 stops Singapore Changi Dubai Intl
£465Emirates
Thu, 19 Nov - Sun, 29 Nov
Emirates Logo
02:40 - 16:35CMB  Colombo Bandaranaike Intl-KTI Phnom Penh Techo Intl
36h 25m2 stops Dubai Intl Singapore Changi
Emirates Logo
21:40 - 18:25KTI  Phnom Penh Techo Intl-CMB Colombo Bandaranaike Intl
22h 15m3 stops Singapore Changi Dubai Intl Male
£472Emirates
Wed, 2 Dec - Wed, 9 Dec
Emirates Logo
11:15 - 16:35CMB  Colombo Bandaranaike Intl-KTI Phnom Penh Techo Intl
27h 50m3 stops Male Dubai Intl Singapore Changi
Emirates Logo
21:40 - 08:20KTI  Phnom Penh Techo Intl-CMB Colombo Bandaranaike Intl
36h 10m2 stops Singapore Changi Dubai Intl
£493Emirates
Mon, 5 Apr - Fri, 23 Apr
Emirates Logo
10:05 - 16:40CMB  Colombo Bandaranaike Intl-KTI Phnom Penh Techo Intl
29h 05m2 stops Dubai Intl Singapore Changi
Emirates Logo
20:45 - 18:30KTI  Phnom Penh Techo Intl-CMB Colombo Bandaranaike Intl
23h 15m3 stops Singapore Changi Dubai Intl Male
£498Emirates
Booking Insights

Price, demand, and travel trends for Colombo Bandaranaike Intl Airport to Phnom Penh flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a return flight from Colombo Bandaranaike Intl Airport to Phnom Penh?

Return flights from Colombo Bandaranaike Intl Airport to Phnom Penh typically range from £305 to £418. The lowest price found in the past 5 days was £346 on Thai AirAsia.

Key details for Colombo Bandaranaike Intl Airport to Phnom Penh flights

Low season

August

Cheapest flight

£307
Beat the crowds with an average 66% drop in traveller numbers.
The most popular month to fly with an average 45% increase in traveller numbers.
One-way flight from Colombo Bandaranaike Intl Airport to Phnom Penh

When to book flights from Colombo to Phnom Penh

Are your dates flexible? Find out the best times to travel from Colombo to Phnom Penh based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Colombo Bandaranaike Intl Airport to Phnom Penh flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Which cabin classes can I book on flights from Colombo Bandaranaike Intl Airport to Phnom Penh?

    Only Economy class is available on flights from Colombo Bandaranaike Intl Airport to Phnom Penh.

  • How long is a flight from Colombo Bandaranaike Intl Airport to Phnom Penh?

    A direct flight from Colombo Bandaranaike Intl Airport to Phnom Penh takes 00m, covering 1,730 miles.

  • Do I need a passport to fly from Colombo Bandaranaike Intl Airport to Phnom Penh?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Colombo Bandaranaike Intl Airport to Phnom Penh flight?

    Return flights from Colombo Bandaranaike Intl Airport to Phnom Penh range from £305 to £418, with an average of £375 over the past 12 months. Anything below £305 counts as a good deal.

  • Have flight prices from Colombo Bandaranaike Intl Airport to Phnom Penh changed much recently?

    Yes. Based on fares seen in the past 5 days, return prices on this route varied from about £346 to £666. That means the highest observed fare was about 92% higher than the lowest one.

  • How are flight prices from Colombo Bandaranaike Intl Airport to Phnom Penh looking right now?

    One-way fares from Colombo Bandaranaike Intl Airport to Phnom Penh are currently higher than usual. Average one-way flight prices are about £336, which is 45% above the typical average for this route.

  • Which airports can I use when flying from Colombo Bandaranaike Intl Airport to Phnom Penh?

    Flights from Colombo Bandaranaike Intl Airport to Phnom Penh usually depart from Colombo Bandaranaike Intl (CMB) and arrive at Phnom Penh Techo Intl (KTI).

  • Which airports do connecting flights from Colombo Bandaranaike Intl Airport to Phnom Penh pass through?

    One-stop flights from Colombo Bandaranaike Intl Airport to Phnom Penh most commonly connect through:

    • Bangkok Don Mueang Intl (DMK) – 40% of one-stop connections
    • Kuala Lumpur Intl (KUL) – 34% of one-stop connections
    • Bangkok Suvarnabhumi (BKK) – 11% of one-stop connections
    • Singapore Changi (SIN) – 11% of one-stop connections

  • Can I save money by using flexible dates for flights from Colombo Bandaranaike Intl Airport to Phnom Penh?

    Yes. Flexible dates can save you up to 27% on flights from Colombo Bandaranaike Intl Airport to Phnom Penh. Friday is the cheapest departure day at £305 return on average, while Sunday is the most expensive at £414, a difference of £110.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different stopover airport from Colombo Bandaranaike Intl Airport to Phnom Penh?

    Flying via Bangkok Suvarnabhumi (BKK) gives the shortest average 1-stop total travel time of 7h 37m, compared to 8h 21m via Bangkok Don Mueang Intl (DMK) and 10h 23m via Kuala Lumpur Intl (KUL).

  • What is the time difference between Colombo Bandaranaike Intl Airport and Phnom Penh?

    Phnom Penh is 1 hour ahead of Colombo Bandaranaike Intl Airport (Indochina Time vs India Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Colombo Bandaranaike Intl Airport to Phnom Penh flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Friday departure and avoid flying on Sunday. On this route, Friday flights average £305, about £110 less than Sunday fares (26% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Colombo Bandaranaike Intl Airport to Phnom Penh trip for January. Fares historically average £294 return in that month – typically £304 less than the most expensive month, which is June (based on the last 12 months).

More options for your flight from Colombo to Phnom Penh

Complete your trip to Phnom Penh with a hotel stay or car hire