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

Return flights

26 Apr - 30 Apr	Aer Lingus
12 Apr - 18 Apr	Aer Lingus
01 Apr - 30 Apr	Aer Lingus
16 Apr - 26 Apr	Aer Lingus
21 Apr - 28 Apr	Aer Lingus
17 Apr - 24 Apr	Aer Lingus
10 Apr - 15 Apr	Aer Lingus
01 Apr - 25 Apr	Aer Lingus
01 Apr - 05 Apr	Aer Lingus
06 Apr - 13 Apr	Aer Lingus
24 Apr - 16 May	Aer Lingus
28 Apr - 11 May	Norse Atlantic Airways
10 Apr - 02 May	Aer Lingus
28 Apr - 23 May	Aer Lingus
29 Apr - 23 May	Aer Lingus
30 Apr - 23 May	Aer Lingus

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

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 April from 394€

Return flights