Cheapest return flights from New York to London in March from $425

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

Return flights

01 Mar - 08 Mar Air Canada
16 Mar - 20 Mar Air Canada
02 Mar - 17 Mar American Airlines
30 Mar - 07 Apr Spirit Airlines
28 Mar - 06 Apr Spirit Airlines
26 Mar - 06 Apr Spirit Airlines
27 Mar - 06 Apr Spirit Airlines
09 Mar - 07 Apr Spirit Airlines
09 Mar - 16 Mar Spirit Airlines
06 Mar - 13 Mar Spirit Airlines
18 Mar - 23 Mar Spirit Airlines
26 Mar - 02 Apr Spirit Airlines
12 Mar - 19 Mar Spirit Airlines
20 Mar - 01 Apr Spirit Airlines
03 Mar - 08 Mar Porter Airlines (Canada) Ltd
12 Mar - 23 Mar Spirit Airlines
29 Mar - 12 Apr Spirit Airlines
13 Mar - 16 Mar Spirit Airlines
18 Mar - 11 Apr Spirit Airlines
09 Mar - 04 Apr Frontier Airlines

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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