AirHint found the following cheapest return flights from London (LGW) to Skiathos (JSI) in July 2025 (see full year).

Return flights

21 Jul - 30 Jul	TUI	direct
21 Jul - 04 Aug	TUI	direct
27 Jul - 31 Jul	easyJet	direct
21 Jul - 25 Jul	TUI	direct
23 Jul - 25 Jul	TUI	direct
28 Jul - 30 Jul	TUI	direct
25 Jul - 01 Aug	TUI	direct
21 Jul - 23 Jul	TUI	direct
31 Jul - 05 Aug	easyJet
31 Jul - 05 Aug	easyJet	direct
31 Jul - 07 Aug	easyJet	direct
30 Jul - 01 Aug	TUI	direct
17 Jul - 24 Jul	easyJet	direct
28 Jul - 04 Aug	TUI	direct
23 Jul - 28 Jul	TUI	direct
31 Jul - 04 Aug	easyJet
17 Jul - 22 Jul	easyJet	direct
19 Jul - 22 Jul	Wizz Air Malta
29 Jul - 05 Aug	easyJet	direct
22 Jul - 05 Aug	easyJet	direct

Also check the deals for one-way flights from London to Skiathos 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 Skiathos in July from $167

Return flights