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

Return flights

03 Mar - 10 Mar	Icelandair
02 Mar - 08 Mar	Lufthansa
01 Mar - 06 Mar	Norse Atlantic Airways (UK)	direct
03 Mar - 19 Mar	TAP
10 Mar - 19 Mar	TAP
10 Mar - 16 Mar	TAP
30 Mar - 08 Apr	Norse Atlantic Airways (UK)	direct
20 Mar - 25 Mar	TAP
24 Mar - 07 Apr	Icelandair
01 Mar - 05 Mar	Icelandair
02 Mar - 15 Mar	TAP
03 Mar - 11 Mar	Icelandair
23 Mar - 19 Apr	Norse Atlantic Airways (UK)	direct
20 Mar - 19 Apr	TAP
25 Mar - 22 Apr	Icelandair
19 Mar - 19 Apr	TAP
25 Mar - 01 Apr	Icelandair
29 Mar - 19 Apr	Norse Atlantic Airways (UK)	direct
11 Mar - 25 Apr	TAP
24 Mar - 01 Apr	Icelandair

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 296€

Return flights