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

Return flights

17 Jul - 19 Aug	Frontier Airlines
18 Jul - 20 Aug	Allegiant Air
08 Jul - 14 Jul	Frontier Airlines
09 Jul - 14 Jul	Allegiant Air
06 Jul - 10 Jul	Frontier Airlines
12 Jul - 15 Jul	Allegiant Air
14 Jul - 17 Jul	Frontier Airlines
09 Jul - 16 Jul	Allegiant Air
10 Jul - 31 Jul	Frontier Airlines
18 Jul - 28 Jul	Frontier Airlines
09 Jul - 15 Jul	Allegiant Air
07 Jul - 11 Jul	Frontier Airlines
14 Jul - 11 Aug	Frontier Airlines
23 Jul - 03 Aug	Frontier Airlines
16 Jul - 01 Aug	Allegiant Air

Also check the deals for one-way flights from Cincinnati 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 Cincinnati to London in July from $653

Return flights