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

Return flights

15 Apr - 29 Apr	Air Canada
24 Apr - 15 May	Air Canada
02 Apr - 12 Apr	Air Canada
08 Apr - 29 Apr	Air Canada
06 Apr - 17 Apr	Icelandair
18 Apr - 04 May	United
28 Apr - 10 May	Icelandair
26 Apr - 29 Apr	Delta
01 Apr - 08 Apr	Delta
27 Apr - 30 Apr	Delta
05 Apr - 08 Apr	Delta
22 Apr - 29 Apr	Delta
23 Apr - 30 Apr	Delta
25 Apr - 02 May	Delta
26 Apr - 03 May	Delta
27 Apr - 04 May	Delta
28 Apr - 01 May	Delta
29 Apr - 02 May	Delta
30 Apr - 07 May	Delta
24 Apr - 01 May	Delta

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 $493

Return flights