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

Return flights

13 Mar - 20 Mar	United
23 Mar - 30 Mar	United
22 Mar - 29 Mar	United
28 Mar - 11 Apr	Air France
27 Mar - 11 Apr	KLM

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 553€

Return flights