AirHint found the following cheapest return flights from London (LTN) to Barcelona (BCN) in July 2025 (see full year).

Return flights

30 Jul - 06 Aug	Ryanair	direct
28 Jul - 30 Jul	Jet2
29 Jul - 30 Jul	Ryanair	direct
21 Jul - 23 Jul	Jet2
21 Jul - 30 Jul	Jet2
21 Jul - 24 Jul	Jet2
28 Jul - 06 Aug	Jet2
21 Jul - 26 Jul	Jet2
21 Jul - 22 Jul	Jet2
28 Jul - 02 Aug	Jet2
28 Jul - 29 Jul	Jet2
28 Jul - 07 Aug	Jet2
28 Jul - 30 Jul	Ryanair	direct
30 Jul - 07 Aug	Ryanair	direct
28 Jul - 31 Jul	Jet2
29 Jul - 06 Aug	Ryanair	direct
29 Jul - 07 Aug	Ryanair	direct
28 Jul - 05 Aug	Jet2
26 Jul - 07 Aug	Ryanair	direct
30 Jul - 16 Aug	Ryanair	direct

Also check the deals for one-way flights from London to Barcelona 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 Barcelona in July from $105

Return flights