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

Return flights

05 Mar - 08 Mar	SWISS
06 Mar - 08 Mar	SWISS
12 Mar - 17 Mar	SWISS
09 Mar - 25 Mar	SWISS
05 Mar - 11 Mar	SWISS
04 Mar - 08 Mar	SWISS
13 Mar - 22 Mar	KLM
09 Mar - 17 Mar	KLM
09 Mar - 23 Mar	KLM
16 Mar - 23 Mar	KLM
19 Mar - 14 Apr	SWISS
14 Mar - 25 Apr	Virgin Atlantic
05 Mar - 17 Apr	Iberia
19 Mar - 17 Apr	Iberia
24 Mar - 26 Apr	British Airways
25 Mar - 14 Apr	SWISS
20 Mar - 14 Apr	SWISS
11 Mar - 22 Apr	Iberia
17 Mar - 03 Apr	Iberia
18 Mar - 17 Apr	Iberia

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 390€

Return flights