AirHint found the following cheapest return flights from London (LGW) to Alicante (ALC) in August 2025 (see full year).

Return flights

30 Aug - 12 Sep	Ryanair	direct
31 Aug - 10 Sep	easyJet	direct
30 Aug - 19 Sep	Ryanair	direct
30 Aug - 18 Sep	Ryanair	direct
31 Aug - 05 Sep	easyJet	direct
30 Aug - 10 Sep	easyJet	direct
31 Aug - 12 Sep	Vueling Airlines	direct
31 Aug - 08 Sep	easyJet	direct
30 Aug - 05 Sep	easyJet	direct
31 Aug - 06 Sep	easyJet	direct
30 Aug - 30 Aug	easyJet
31 Aug - 31 Aug	easyJet
30 Aug - 30 Aug	TUI	direct
31 Aug - 31 Aug	easyJet	direct

Also check the deals for one-way flights from London to Alicante 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 London to Alicante in August from $121

Return flights