AirHint found the following cheapest return flights from Cleveland (CLE) to London (LGW) in September 2025 (see full year).

Return flights

29 Sep - 02 Oct	jetBlue
30 Sep - 06 Oct	Frontier Airlines
30 Sep - 05 Oct	jetBlue
23 Sep - 30 Sep	jetBlue
19 Sep - 21 Sep	Frontier Airlines
25 Sep - 08 Oct	jetBlue
18 Sep - 24 Sep	jetBlue
20 Sep - 03 Oct	Frontier Airlines
17 Sep - 27 Sep	Frontier Airlines
21 Sep - 11 Oct	jetBlue
20 Sep - 21 Sep	Frontier Airlines

Also check the deals for one-way flights from Cleveland to London in September.

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 Cleveland to London in September from $601

Return flights