AU$532 : Cheap Flights from Kathmandu to Colombo

Flight FAQs

• Which airlines offer the cheapest flights from Kathmandu (KTM) to Colombo (CMB)?

  Based on Trip.com data, Air India offers one-way fares as low as AU$327 on Cheapest nonstop routes (e.g. KTM to CMB on Sat, Nov 29), while Air India offers Cheapest nonstop round-trips from AU$645 departing on Wed, Nov 26 and returning on Sat, Nov 29.

• Which airlines offer direct flights from Kathmandu to Colombo?

  At the moment, you can catch a direct flight from Kathmandu to Colombo with the following airlines, including: SriLankan Airlines Air India Express IndiGo Air India Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is the flight from Kathmandu (KTM) to Colombo (CMB)?

  It takes about 3 hours 35 minutes to fly from Kathmandu (KTM) to Colombo (CMB).

• When is the best time to book flights from Kathmandu 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 Kathmandu 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 many flights are there per week from Kathmandu to Colombo?

  Based on Trip.com data in the past 4 weeks, there is 4 flight per week flying from Kathmandu to Colombo. You can check the weekly schedule for popular airlines on this route below: SriLankan Airlines: S/-/T/W/-/-/S -- UL182 (13:54)

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

  To find best deals on flights from Kathmandu 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 Sat, Nov 29, with one-way flights priced at just AU$327.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is SriLankan Airlines.
  · 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 is the best time to book a flight from Kathmandu to Colombo to get the best price?

  The cheapest months to fly from Kathmandu to Colombo is September, when demand for travel is lower.

• Which upcoming date is the cheapest for flights from Kathmandu to Colombo?

  After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Kathmandu to Colombo on November 29, 2025 with Air India Express, with prices starting at AU$341.

• Which airports can I fly through when travelling to Colombo from Kathmandu?

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

• What is the time difference between Kathmandu and Colombo?

  The time difference between Colombo and Kathmandu is 0h.

• How can I change or cancel my flight ticket from Kathmandu to Colombo?

  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.