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Cheap flights from Kathmandu to Colombo Bandaranaike Intl Airport

KTM — CMB
9 Oct — 16 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Kathmandu to Colombo

Discover tips and strategies to find the most affordable flight options for your journey from Kathmandu (KTM) to Colombo (CMB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 9 September 2025.

Popular in

February

Cheapest in

March

Average price

₹ 41,900

Good one-way deal

₹ 22,788 or less
High demand for flights, 11% potential price rise
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Cheapest flight prices on average. 1% potential price decrease (₹ 62,333 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a one-way flight from Kathmandu Tribhuvan to Colombo Bandaranaike Intl.
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Best time to book a flight from Kathmandu to Colombo

Have a flexible travel schedule? Discover the best time to fly to Colombo from Kathmandu with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kathmandu to Colombo Bandaranaike Intl Airport

How far ahead should I book a flight from Kathmandu to Colombo Bandaranaike Intl Airport?

Use this chart to determine the optimal time to book a return flight from Kathmandu to Colombo. Price data was last updated on 29 August 2025.

The best time to book flights from Kathmandu to Colombo Bandaranaike Intl Airport is 16 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Kathmandu to Colombo Bandaranaike Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Kathmandu to Colombo Bandaranaike Intl Airport (average of ₹ 204). Flying from Kathmandu to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of ₹ 265). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KTM to CMB?

Find hourly flight availability from Kathmandu to Colombo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 9 September 2025.

When flying from Kathmandu to Colombo Bandaranaike Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 21% versus a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from Kathmandu to Colombo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Kathmandu to Colombo Bandaranaike Intl?

    For a flight from Kathmandu to Colombo Bandaranaike Intl, you will be flying from Tribhuvan. Kathmandu Tribhuvan (KTM) is just 4.1 km from the centre of the city. Tribhuvan is the only Kathmandu airport and it handles 0 outbound flights to Colombo Bandaranaike Intl per day. 0 airlines have flights to Colombo Bandaranaike Intl from Kathmandu Tribhuvan on a regular basis.

  • Can I find deals for flights from Kathmandu to Colombo that include hotel bookings?

    Yes. In addition to deals on Kathmandu to Colombo flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Kathmandu to Colombo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kathmandu to Colombo.

  • Can I find deals for business class flights from Kathmandu to Colombo?

    Yes. Cheapflights offers flight deals from Kathmandu to Colombo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kathmandu to Colombo Bandaranaike Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Kathmandu to Colombo Bandaranaike Intl Airport (average of ₹ 204). Flying from Kathmandu to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of ₹ 265). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Travelling to a place near Colombo Bandaranaike Intl Airport?

Book flights to Colombo Bandaranaike Intl Airport if you plan to visit one of these locations
Negombo

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Can Cheapflights find flights from Kathmandu to Colombo with no change fees?

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