Cheapest one-way flights from Kolkata to London in September from $290

AirHint found the following cheapest one-way flights from Kolkata (CCU) to London (LHR) in September 2025 (see full year).

One-Way flights

10 Sep Air India
15 Sep Air India
17 Sep Air India
18 Sep Air India
16 Sep Air India
09 Sep Air India
29 Sep Air India
24 Sep Air India
30 Sep Air India
14 Sep Air India

Also check the deals for return flights from Kolkata to London in September.

Skyscanner

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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