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

Return flights

22 Mar - 31 Mar	SWISS
01 Mar - 10 Mar	SWISS
02 Mar - 11 Mar	SWISS
06 Mar - 16 Mar	SWISS
12 Mar - 18 Mar	SWISS
20 Mar - 23 Mar	SWISS
05 Mar - 11 Mar	SWISS
01 Mar - 05 Mar	SWISS
19 Mar - 24 Mar	SWISS
12 Mar - 16 Mar	SWISS
25 Mar - 01 Apr	SWISS
24 Mar - 01 Apr	SWISS
31 Mar - 07 Apr	TAP
31 Mar - 06 Apr	TAP
20 Mar - 03 Apr	Brussels Airlines
23 Mar - 02 Apr	British Airways	direct
24 Mar - 03 Apr	British Airways	direct
25 Mar - 01 Apr	British Airways	direct
31 Mar - 08 Apr	TAP
31 Mar - 09 Apr	TAP

Also check the deals for one-way flights from London to New York 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 London to New York in March from 355€

Return flights