Kolkata to Kathmandu Flights in October 2026

Round-trip fares, airlines and dates for October 2026, refreshed nightly.

Quick answer

The cheapest round-trip flight from Kolkata to Kathmandu in October 2026 is ₹81,587, for 28 Oct – 2 Nov 2026 on THAI (1 stop).

We priced 1 date options in October; the average is ₹81,587.

Fares seen checked 7h ago. Prices change often; confirm before booking.

Cheapest Kolkata to Kathmandu fares in October 2026

28 Oct – 2 Nov 2026 · 5 nightsTHAI · 1 stop · 5h 50m₹81,587

How much is a flight from Kolkata to Kathmandu in October?

Round-trip fares start at ₹81,587 for 28 Oct – 2 Nov 2026 on THAI. The average of the 1 dates we priced is ₹81,587.

Are there non-stop flights from Kolkata to Kathmandu in October?

The dates we priced all have a stop. THAI fly the route.

Which month is cheapest to fly from Kolkata to Kathmandu?

January 2027 is the cheapest month we have priced, from ₹47,776.

Which airlines fly from Kolkata to Kathmandu?

For October we priced THAI.