AirHint found the following cheapest return flights from London (STN) to Lisbon (LIS) in July 2025 (see full year).

Return flights

07 Jul - 29 Jul	Ryanair
29 Jul - 31 Jul	Jet2
30 Jul - 31 Jul	Jet2
16 Jul - 30 Jul	Ryanair
22 Jul - 30 Jul	Jet2
08 Jul - 30 Jul	Ryanair	direct
29 Jul - 06 Aug	Jet2
30 Jul - 06 Aug	Jet2
07 Jul - 17 Jul	Ryanair
16 Jul - 29 Jul	Ryanair
16 Jul - 23 Jul	Ryanair
22 Jul - 29 Jul	Ryanair
30 Jul - 07 Aug	Jet2
29 Jul - 07 Aug	Jet2
22 Jul - 06 Aug	Jet2
30 Jul - 01 Aug	Jet2
29 Jul - 05 Aug	Jet2
29 Jul - 01 Aug	Jet2
09 Jul - 06 Aug	Jet2
22 Jul - 07 Aug	Jet2

Also check the deals for one-way flights from London to Lisbon in July.

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 Lisbon in July from $191

Return flights