Cheapest return flights from New York to London in March from $397

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

Return flights

01 Mar - 10 Mar Air Canada
01 Mar - 08 Mar Air Canada
24 Mar - 07 Apr Air Canada
02 Mar - 10 Mar Air Canada
25 Mar - 15 Apr Spirit Airlines
07 Mar - 12 Mar Air Canada
07 Mar - 10 Mar Air Canada
28 Mar - 08 Apr Lufthansa
17 Mar - 31 Mar Air Canada
16 Mar - 18 Mar Air Canada
23 Mar - 01 Apr Air Canada
31 Mar - 06 Apr Air Canada
27 Mar - 31 Mar Air Canada
27 Mar - 02 Apr Air Canada
27 Mar - 30 Mar Air Canada
25 Mar - 01 Apr Air Canada
02 Mar - 05 Mar Spirit Airlines
26 Mar - 02 Apr Air Canada
26 Mar - 06 Apr Spirit Airlines
21 Mar - 02 Apr Air Canada

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

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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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