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

Return flights

14 Apr - 29 Apr	TAP
14 Apr - 20 Apr	TAP
15 Apr - 20 Apr	TAP
15 Apr - 29 Apr	TAP
15 Apr - 27 Apr	TAP
26 Apr - 09 May	TAP
13 Apr - 09 May	TAP
29 Apr - 06 May	TAP
19 Apr - 09 May	TAP
21 Apr - 16 May	TAP
15 Apr - 09 May	TAP
22 Apr - 16 May	TAP
20 Apr - 09 May	TAP
20 Apr - 16 May	TAP
26 Apr - 16 May	TAP
15 Apr - 19 Apr	TAP
14 Apr - 19 Apr	TAP
15 Apr - 30 Apr	TAP
16 Apr - 18 Apr	Austrian Airlines
17 Apr - 20 Apr	Scandinavian Airlines

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 $401

Return flights