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

Return flights

24 Mar - 31 Mar	Air Canada
17 Mar - 31 Mar	Air Canada
15 Mar - 19 Mar	Lufthansa
09 Mar - 13 Mar	Lufthansa
09 Mar - 14 Mar	Lufthansa
23 Mar - 29 Mar	Air Canada
06 Mar - 18 Mar	Air Canada
07 Mar - 10 Mar	Lufthansa
09 Mar - 16 Mar	Air Canada
26 Mar - 29 Mar	Air Canada
28 Mar - 11 Apr	Air Canada
15 Mar - 11 Apr	Lufthansa
23 Mar - 03 Apr	Air Canada
24 Mar - 12 Apr	Lufthansa
25 Mar - 12 Apr	Air Canada
15 Mar - 14 Apr	Air Canada
26 Mar - 02 Apr	Air Canada
11 Mar - 11 Apr	Air Canada
27 Mar - 01 Apr	Lufthansa
17 Mar - 18 Apr	United

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 417€

Return flights