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

Return flights

13 Apr - 21 Apr	Ryanair
16 Apr - 21 Apr	Ryanair
21 Apr - 06 May	Ryanair
29 Apr - 06 May	Ryanair
24 Apr - 03 May	Ryanair
28 Apr - 30 Apr	Ryanair
12 Apr - 24 Apr	Ryanair
14 Apr - 26 Apr	Ryanair
14 Apr - 24 Apr	Ryanair
14 Apr - 28 Apr	Ryanair
07 Apr - 28 Apr	Ryanair
13 Apr - 29 Apr	Ryanair
12 Apr - 23 Apr	Ryanair
15 Apr - 15 May	Ryanair
27 Apr - 05 May	Pegasus Airlines
16 Apr - 01 May	Ryanair
17 Apr - 03 May	Ryanair
27 Apr - 09 May	Ryanair
01 Apr - 07 May	Ryanair
15 Apr - 31 May	Ryanair

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

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 London to Karachi in April from 345€

Return flights