AirHint found the following cheapest return flights from Lisbon (LIS) to Karachi (KHI) in August 2025 (see full year).

Return flights

12 Aug - 16 Sep	Ryanair
22 Aug - 29 Sep	Ryanair
24 Aug - 28 Sep	Norwegian Air Sweden AOC
12 Aug - 17 Aug	Ryanair
13 Aug - 17 Aug	Ryanair
11 Aug - 17 Aug	Ryanair
11 Aug - 12 Aug	Ryanair
11 Aug - 11 Aug	Aegean Airlines

Also check the deals for one-way flights from Lisbon to Karachi in August.

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 Lisbon to Karachi in August from $655

Return flights