Cheap Flights from Sihanoukville to Colombo from US$277

Frequently Asked Questions

• What are the cheapest flights from Sihanoukville to Colombo (KOS-CMB)?

  Based on Trip.com data, AirAsia Berhad (Malaysia) offers one-way fares as low as US$277 on Cheapest nonstop routes (e.g. KOS to CMB on Tue, Sep 15), while AirAsia Berhad (Malaysia) offers Cheapest nonstop round-trips from US$610 departing on Thu, Aug 27 and returning on Wed, Sep 2.

• Which airlines offer direct flights from Sihanoukville to Colombo?

  At the moment, you can catch a nonstop flight from Sihanoukville to Colombo with the following airlines, including: AirAsia Berhad (Malaysia) Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• When is the best time to book flights from Sihanoukville to Colombo?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Sihanoukville 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.

• How can I find the best deals on flights from Sihanoukville to Colombo?

  To find best deals on flights from Sihanoukville 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 Tue, Sep 15, with one-way flights priced at just US$277.
  · 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 Berhad (Malaysia).
  · 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 January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Sihanoukville (KOS) to Colombo (CMB) the cheapest?

  The cheapest months to fly from Sihanoukville to Colombo is August, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Sihanoukville to Colombo on?

  After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Sihanoukville to Colombo on August 29, 2026 with AirAsia Cambodia, with prices starting at US$425.

• Which airports can I fly to for Colombo from Sihanoukville?

  You can land at any one of the following hubs in Colombo, with Sihanoukville International Airport to Bandaranaike International Airport (KOS-CMB) is by far the most common option on this route: Bandaranaike International Airport (CMB).

• Is there any time difference between Sihanoukville and Colombo?

  The time difference between Colombo and Sihanoukville is 1h.

• How do I change or cancel my ticket from Sihanoukville to Colombo?

  Tickets can only be changed or canceled 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.

• What is the average cost of a one-way flight from Sihanoukville to Colombo?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Sihanoukville to Colombo is US$335. Fares vary by travel date, airline and availability.

• How do I book flights from Sihanoukville to Colombo on Trip.com?

  Enter Sihanoukville and Colombo, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

• Are there budget airlines on the Sihanoukville to Colombo route?

  AirAsia Berhad (Malaysia)are the most popular budget airlines flying from Sihanoukville to Colombo. Check baggage, seat and payment fees before comparing the final price.