Cheap flights from Kathmandu to Colombo from $204 KTM → CMB

Found recently, and the cheapest we hold

It is also the cheapest return we hold, of any age.

What have prices looked like?

Over 47 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $422 to $698.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 21-night return fares leaving within 3 days of 6 Feb 2027 to compare.

Every date we hold

87 fares on 11 departure dates

Which month looks cheapest?

February 2027 is the cheapest month — from $476.

Found recently, and the cheapest we hold

It is also the cheapest one-way we hold, of any age.

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $177 to $306.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

No. We hold one-way fares on 1 other departure date within 3 days of 18 Jan 2027, and it is not cheaper.

Every date we hold

39 fares on 5 departure dates

Which month looks cheapest?

January 2027 is the cheapest month — from $204.

Return

The cheapest fares were 180 or more days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (47 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

One-way

The cheapest fares were 0 to 6 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

How much is a return flight from Kathmandu to Colombo?

The cheapest return found recently is $476 with Air India, 6 Feb 2027 to 27 Feb 2027, found 2 days ago. The cheapest return fare on each of 11 departure dates is usually $562 to $618.

How much is a one-way flight from Kathmandu to Colombo?

The cheapest one-way found recently is $204 with SriLankan Airlines, 18 Jan 2027, found 2 days ago. The cheapest one-way fare on each of 5 departure dates is usually $250 to $277.

What is the cheapest month to fly from Kathmandu to Colombo?

February 2027 is the cheapest month for a return, from $476, 6 Feb 2027 to 27 Feb 2027, found 2 days ago. January 2027 is the cheapest month for a one-way, from $204, 18 Jan 2027, found 2 days ago.

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

In 47 days of prices between 24 Sept and 11 Nov, return fares were cheapest 180 or more days before departure. In 49 days of prices between 24 Sept and 11 Nov, one-way fares were cheapest 0 to 6 days before departure.

Is there a direct flight from Kathmandu to Colombo?

Yes, the cheapest nonstop return found recently is $960 with SriLankan Airlines, 15 Nov to 19 Nov, found 2 days ago. The cheapest nonstop one-way found recently is $204 with SriLankan Airlines, 18 Jan 2027, found 2 days ago.

How long is the flight from Kathmandu to Colombo?

The cheapest nonstop one-way found recently, with SriLankan Airlines on 18 Jan 2027, takes 3 h 35 min from Tribhuvan International Airport (KTM) to Bandaranaike International Airport (CMB).

Which airlines have the cheapest flights from Kathmandu to Colombo?

Between 15 Nov and 1 Aug 2027, Air India has the cheapest return on 9 of the 11 departure dates we hold, and IndiGo on 2. Between 10 Jan 2027 and 5 Jul 2027, Air India has the cheapest one-way on 4 of the 5 departure dates we hold, and SriLankan Airlines on 1.