Cheapest return flights from Kolkata to London in April from $584

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

Return flights

02 Apr - 15 Apr IndiGo
03 Apr - 12 Apr IndiGo
26 Apr - 20 May IndiGo
27 Apr - 20 May Air India
09 Apr - 16 Apr IndiGo
10 Apr - 18 Apr IndiGo
13 Apr - 26 Apr Etihad Airways
28 Apr - 19 May Emirates
29 Apr - 20 May Emirates
20 Apr - 30 Apr Emirates
22 Apr - 30 Apr Emirates
21 Apr - 25 Apr Emirates
12 Apr - 19 Apr IndiGo
20 Apr - 04 May Emirates
20 Apr - 02 May Emirates
16 Apr - 22 Apr IndiGo
05 Apr - 22 May Emirates
07 Apr - 22 May Emirates
08 Apr - 22 May Emirates
12 Apr - 07 May Emirates

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

Powered by

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.

Book a cheap hotel in London

Cheap car rent in London

Feel free to contact us with any feedback or request another flight research.