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

Return flights

31 Mar - 14 Apr	TAP
11 Mar - 15 Mar	TAP
10 Mar - 24 Mar	TAP
05 Mar - 17 Mar	TAP
10 Mar - 17 Mar	TAP
11 Mar - 17 Mar	TAP
17 Mar - 14 Apr	TAP
24 Mar - 14 Apr	TAP
04 Mar - 10 Mar	TAP
18 Mar - 24 Mar	TAP
10 Mar - 15 Mar	TAP
11 Mar - 18 Mar	TAP
03 Mar - 10 Mar	TAP
23 Mar - 13 Apr	TAP
31 Mar - 07 Apr	TAP
24 Mar - 16 Apr	Icelandair
31 Mar - 08 Apr	TAP
24 Mar - 06 Apr	TAP
31 Mar - 06 Apr	TAP
23 Mar - 06 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 386€

Return flights