Find Cheapest Airlines Flying from Siem Reap to Colombo

Choose from 3 airlines fly from Siem Reap to Colombo, including Malaysia Airlines, Thai AirAsia, and AirAsia Cambodia. AirAsia Cambodia has lowest fares on this route.

Explore the cheapest flights from Siem Reap to Colombo in the next three months. Based on Trip.com's data from the latest 7 days, one-way fares start at INR 14,813, and round-trip tickets start at INR 40,655.

Displayed flight fares from Siem Reap to Colombo are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Siem Reap to Colombo Flight Details

The distance between Siem Reap and Colombo is approximately 2,717.69km. Based on Trip.com's data travel demand peaks in July. The off-season for travel is November.

Cheapest one-way flight priceINR 14,813
Cheapest return ticket priceINR 40,655
Off-season for travelNovember
Peak season for travelJuly
Flight distance2,717.69km
Popular airlineMalaysia Airlines

Best Time to Book Flights from Siem Reap to Colombo

The cheapest flights from Siem Reap to Colombo are available between Jan 11 and Jan 18, with one way flights starting from INR 14,812.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
  • 18
  • 815
  • 1522
  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Siem Reap to Colombo, calculated over the upcoming 10 weeks.

Flight FAQs

  • Which airlines offer the cheapest flights from Siem Reap (REP) to Colombo (CMB)?

    Based on Trip.com data, AirAsia Cambodia offers one-way fares as low as INR 14,813 on Cheapest nonstop routes (e.g. SAI to CMB on Wed, Jan 14), while AirAsia Cambodia offers Cheapest nonstop round-trips from INR 40,655 departing on Thu, Dec 11 and returning on Sun, Dec 14.
  • At the moment, you can catch a direct flight from Siem Reap to Colombo with the following airlines, including: Malaysia Airlines AirAsia Cambodia Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Siem Reap to Colombo is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Siem Reap to Colombo, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Jan 14, with one-way flights priced at just INR 14,813.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is AirAsia Cambodia.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Colombo travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Siem Reap to Colombo is November, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Siem Reap to Colombo on December 11, 2025 with Firefly, with prices starting at INR 16,735.
  • You can land at any one of the following hubs in Colombo, with Siem Reap Angkor International Airport to Bandaranaike International Airport (SAI-CMB) is by far the most common option on this route: Bandaranaike International Airport (CMB).
  • The time difference between Colombo and Siem Reap is 1h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.