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

Return flights

30 Jul - 27 Aug	Allegiant Air
29 Jul - 21 Aug	Allegiant Air
26 Jul - 20 Aug	Allegiant Air
24 Jul - 07 Aug	Allegiant Air
15 Jul - 30 Jul	Allegiant Air
22 Jul - 30 Jul	Allegiant Air
14 Jul - 30 Jul	Allegiant Air
17 Jul - 30 Jul	Allegiant Air
26 Jul - 30 Jul	Allegiant Air
17 Jul - 28 Jul	Allegiant Air
18 Jul - 30 Jul	Allegiant Air
20 Jul - 28 Jul	Allegiant Air
17 Jul - 23 Jul	Allegiant Air
13 Jul - 30 Jul	Allegiant Air
24 Jul - 04 Aug	Allegiant Air
15 Jul - 04 Aug	Allegiant Air
20 Jul - 04 Aug	Allegiant Air
21 Jul - 04 Aug	Allegiant Air
17 Jul - 01 Aug	Allegiant Air
16 Jul - 04 Aug	Allegiant Air

Also check the deals for one-way flights from St. Petersburg to London 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 St. Petersburg to London in July from $655

Return flights