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

Return flights

31 Jan - 08 Feb	IndiGo
29 Jan - 09 Feb	Akasa Air
30 Jan - 16 Feb	Emirates
30 Jan - 17 Feb	Emirates
29 Jan - 05 Feb	Emirates
28 Jan - 31 Jan	Emirates
26 Jan - 04 Feb	IndiGo
30 Jan - 15 Feb	IndiGo
26 Jan - 28 Jan	IndiGo
30 Jan - 07 Feb	IndiGo
20 Jan - 20 Feb	IndiGo
21 Jan - 27 Jan	IndiGo
21 Jan - 03 Feb	IndiGo
21 Jan - 29 Jan	IndiGo
20 Jan - 27 Jan	IndiGo
22 Jan - 26 Jan	IndiGo
20 Jan - 26 Jan	IndiGo
21 Jan - 26 Jan	IndiGo
19 Jan - 26 Jan	IndiGo
21 Jan - 30 Jan	IndiGo

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

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 January from $612

Return flights