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

Return flights

09 Mar - 25 Mar	Icelandair
03 Mar - 10 Mar	Icelandair
07 Mar - 22 Mar	Icelandair
09 Mar - 15 Mar	Icelandair
11 Mar - 25 Mar	Icelandair
18 Mar - 29 Mar	Icelandair
07 Mar - 09 Mar	Icelandair
18 Mar - 31 Mar	Icelandair
07 Mar - 11 Mar	Icelandair
07 Mar - 15 Mar	Icelandair
15 Mar - 18 Apr	Air Canada
24 Mar - 21 Apr	Icelandair
17 Mar - 14 Apr	TAP
24 Mar - 14 Apr	TAP
17 Mar - 03 Apr	SWISS
13 Mar - 03 Apr	SWISS
13 Mar - 01 Apr	SWISS
18 Mar - 22 Apr	Icelandair
23 Mar - 13 Apr	TAP
15 Mar - 01 Apr	SWISS

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 333€

Return flights