Cheapest return BUF–STN flights, September

AirHint found the following cheapest return flights from Buffalo (BUF) to London (STN) in September 2026 (see full year).

Return flights

17 Sep - 24 Sep Aer Lingus
12 Sep - 03 Oct Aer Lingus

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

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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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