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

Return flights

09 Jan - 17 Jan	Air Canada
11 Jan - 17 Jan	Air Canada
16 Jan - 24 Jan	Air Canada
30 Jan - 07 Feb	Air Canada
09 Jan - 16 Jan	Air Canada
23 Jan - 31 Jan	Air Canada
17 Jan - 24 Jan	Air Canada
20 Jan - 30 Jan	Air Canada
13 Jan - 24 Jan	Air Canada
12 Jan - 19 Jan	Porter Airlines (Canada) Ltd
27 Jan - 17 Feb	Porter Airlines (Canada) Ltd
18 Jan - 08 Feb	Porter Airlines (Canada) Ltd
15 Jan - 12 Feb	Porter Airlines (Canada) Ltd
01 Jan - 09 Jan	Lufthansa

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

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 January from $399

Return flights