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

Return flights

08 Apr - 14 Apr	Aer Lingus
07 Apr - 14 Apr	Aer Lingus
30 Apr - 08 May	Aer Lingus
12 Apr - 24 Apr	Aer Lingus
16 Apr - 27 Apr	SWISS
30 Apr - 15 May	Aer Lingus
16 Apr - 17 Apr	Aer Lingus
08 Apr - 15 Apr	Aer Lingus
22 Apr - 28 Apr	Air Canada
22 Apr - 26 Apr	Air Canada
18 Apr - 25 Apr	Aer Lingus
16 Apr - 19 Apr	Aer Lingus
25 Apr - 09 May	Aer Lingus
30 Apr - 03 May	Aer Lingus
24 Apr - 08 May	Aer Lingus
06 Apr - 22 May	Aer Lingus
29 Apr - 09 May	SWISS
29 Apr - 15 May	Air Canada
27 Apr - 02 May	SWISS
21 Apr - 01 May	Aer Lingus

Also check the deals for one-way flights from London to New York 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 London to New York in April from $468

Return flights