Cheap Flights from Colombo to Kathmandu from $204

Frequently Asked Questions

• What are the cheapest flights from Colombo to Kathmandu (CMB-KTM)?

  Based on Trip.com data, Air India offers one-way fares as low as $204 on Cheapest nonstop routes (e.g. CMB to KTM on Sun, Aug 9), while Air India offers Cheapest nonstop round-trips from $397 departing on Fri, Jul 17 and returning on Fri, Jul 24.

• Which airlines offer direct flights from Colombo to Kathmandu?

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

• How long does it take to fly from Colombo (CMB) to Kathmandu (KTM) and what is the distance?

  It takes around 3 hours 40 minutes to fly from Colombo (CMB) to Kathmandu (KTM).

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

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

  Based on Trip.com data in the past 4 weeks, there is 3 flight per week flying from Colombo to Kathmandu. You can check the weekly schedule for popular airlines on this route below: SriLankan Airlines: S/-/T/W/-/-/S -- UL181 (08:45)

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

  To find best deals on flights from Colombo to Kathmandu, 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 Sun, Aug 9, with one-way flights priced at just $204.
  · 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 Kathmandu travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Colombo (CMB) to Kathmandu (KTM) the cheapest?

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

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

  After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Colombo to Kathmandu on July 16, 2026 with Air India, with prices starting at $397.

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

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

• Is there any time difference between Colombo and Kathmandu?

  The time difference between Kathmandu and Colombo is 0h.

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

  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.