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

Return flights

10 Mar - 18 Mar	TAP
04 Mar - 08 Mar	Scandinavian Airlines
01 Mar - 11 Mar	Air Canada
13 Mar - 19 Mar	Icelandair
17 Mar - 23 Mar	Icelandair
16 Mar - 27 Mar	Brussels Airlines
04 Mar - 20 Mar	Icelandair
03 Mar - 23 Mar	Icelandair
06 Mar - 11 Mar	Air Canada
04 Mar - 11 Mar	Delta
25 Mar - 01 Apr	Delta
31 Mar - 07 Apr	Delta
25 Mar - 07 Apr	British Airways	direct
29 Mar - 12 Apr	British Airways	direct
27 Mar - 03 Apr	Delta	direct
26 Mar - 02 Apr	Delta	direct
30 Mar - 06 Apr	Delta	direct
29 Mar - 05 Apr	Delta	direct
29 Mar - 01 Apr	Delta
30 Mar - 02 Apr	Delta	direct

Also check the deals for one-way flights from New York 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 New York to London in March from $367

Return flights