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

Return flights

19 Jan - 22 Jan	Ryanair
31 Jan - 07 Feb	Ryanair
17 Jan - 24 Jan	Ryanair
15 Jan - 23 Jan	Ryanair
14 Jan - 21 Jan	Ryanair
14 Jan - 18 Jan	Ryanair
22 Jan - 25 Jan	Ryanair
15 Jan - 21 Jan	Ryanair
11 Jan - 15 Jan	Ryanair
15 Jan - 20 Jan	Ryanair
21 Jan - 28 Jan	Ryanair
29 Jan - 05 Feb	Ryanair
30 Jan - 02 Feb	Ryanair
25 Jan - 01 Feb	Ryanair
31 Jan - 10 Feb	Ryanair
31 Jan - 15 Feb	Ryanair
25 Jan - 05 Feb	Ryanair
22 Jan - 05 Feb	Wizz Air Malta
17 Jan - 02 Feb	Ryanair
21 Jan - 04 Feb	Wizz Air Malta

Also check the deals for one-way flights from London to Boston 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 London to Boston in January from 339€

Return flights