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

Return flights

31 Mar - 07 Apr	Lufthansa
19 Mar - 24 Mar	Lufthansa
08 Mar - 15 Mar	Lufthansa
31 Mar - 08 Apr	Lufthansa
17 Mar - 24 Mar	Lufthansa
24 Mar - 31 Mar	Lufthansa
24 Mar - 30 Mar	Lufthansa
26 Mar - 30 Mar	Lufthansa
17 Mar - 25 Mar	Air Canada
11 Mar - 17 Mar	Air Canada
20 Mar - 29 Mar	Air Canada
11 Mar - 18 Mar	Air Canada
21 Mar - 01 Apr	Lufthansa
30 Mar - 06 Apr	Air Canada
26 Mar - 01 Apr	Lufthansa
30 Mar - 07 Apr	Air Canada
30 Mar - 15 Apr	Air Canada
30 Mar - 10 Apr	Air Canada
30 Mar - 05 Apr	Air Canada
28 Mar - 02 Apr	Air Canada

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 $388

Return flights