Cheap flights from Kathmandu to Colombo
Cheapest current fares: $180 in December 2026, 2,354 km direct flight in ~2h 46m.
Cheapest month-by-month fares
Lowest available fare per calendar month from Kathmandu (KTM) to Colombo (CMB). Refreshed daily.
Kathmandu (KTM) → Colombo (CMB)
- December 2026 $180
- November 2026 $206
- September 2026 $259
- October 2026 $266
- January 2027 $278
- August 2026 $348
Frequently asked questions
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What is the cheapest month to fly from Kathmandu to Colombo?
Based on current 6-month forward fare data, December 2026 is the cheapest month to fly from Kathmandu (KTM) to Colombo (CMB), with fares starting from $180.
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What is the lowest current fare from KTM to CMB?
The lowest currently-listed fare from Kathmandu (KTM) to Colombo (CMB) is $180 on 2026-12-06.
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How long is the flight from Kathmandu to Colombo?
Direct flights from KTM to CMB cover approximately 2,354 km (1,463 miles), with an estimated flight time of 2h 46m. Operating airlines: UL.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.