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

Return flights

17 Mar - 24 Mar	WestJet
03 Mar - 16 Mar	Porter Airlines (Canada) Ltd
07 Mar - 17 Mar	Porter Airlines (Canada) Ltd
04 Mar - 15 Mar	WestJet
04 Mar - 14 Mar	Air Transat
06 Mar - 16 Mar	Air Transat
07 Mar - 14 Mar	Air Transat
11 Mar - 16 Mar	Air Transat
20 Mar - 25 Mar	Air Transat
10 Mar - 14 Mar	Air Transat
29 Mar - 18 Apr	Air Transat
31 Mar - 07 Apr	Air Transat
27 Mar - 18 Apr	Air Transat
26 Mar - 18 Apr	Air Transat
28 Mar - 04 Apr	Air Transat
27 Mar - 04 Apr	Air Transat
15 Mar - 04 Apr	Air Transat
29 Mar - 04 Apr	Air Transat
20 Mar - 11 Apr	Air Transat
13 Mar - 04 Apr	Air Transat

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 829€

Return flights