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

Return flights

03 Mar - 10 Mar	jetBlue
02 Mar - 06 Mar	Frontier Airlines
16 Mar - 20 Mar	Frontier Airlines
06 Mar - 28 Mar	Frontier Airlines
27 Mar - 03 Apr	Frontier Airlines
13 Mar - 21 Mar	jetBlue
14 Mar - 22 Mar	TAP
27 Mar - 11 Apr	Iberia

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

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 Buffalo to London in March from $592

Return flights