Cheapest return flights from Buffalo to London in September from $644

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

Return flights

07 Sep - 27 Sep jetBlue
09 Sep - 16 Sep jetBlue
17 Sep - 11 Oct jetBlue
14 Sep - 04 Oct jetBlue
08 Sep - 15 Sep jetBlue
06 Sep - 21 Sep Frontier Airlines

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

Skyscanner

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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