AirHint found the following cheapest return flights from Kolkata (CCU) to London (LTN) in March 2026 (see full year).

Return flights

25 Mar - 09 Apr	IndiGo
13 Mar - 22 Mar	IndiGo
05 Mar - 07 Apr	IndiGo
13 Mar - 23 Mar	IndiGo
13 Mar - 31 Mar	IndiGo
27 Mar - 10 Apr	IndiGo
24 Mar - 31 Mar	Air India
07 Mar - 21 Mar	IndiGo
08 Mar - 21 Mar	IndiGo

Also check the deals for one-way flights from Kolkata to London in March.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Kolkata to London in March from 491€

Return flights