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

Return flights

09 Apr - 09 May	Etihad Airways
15 Apr - 28 Apr	Etihad Airways
17 Apr - 24 Apr	Etihad Airways
17 Apr - 26 Apr	Etihad Airways
20 Apr - 30 Apr	Etihad Airways
08 Apr - 30 Apr	Etihad Airways
30 Apr - 17 May	Etihad Airways
21 Apr - 04 May	Etihad Airways
20 Apr - 20 May	Etihad Airways
13 Apr - 10 May	Etihad Airways
10 Apr - 26 Apr	Etihad Airways
13 Apr - 28 Apr	Etihad Airways
13 Apr - 21 Apr	Gulf Air
21 Apr - 24 Apr	Gulf Air
30 Apr - 16 May	Gulf Air
11 Apr - 27 Apr	Etihad Airways
03 Apr - 02 May	Etihad Airways

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 $597

Return flights