Cheapest return flights from London to Boston in January from $394

Best time to book flights for London (LON) to Boston (BOS) flights at AirHint

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

Return flights

28 Jan - 23 Feb easyJet
15 Jan - 15 Jan Fly Play
20 Jan - 20 Jan Fly Play
21 Jan - 21 Jan Fly Play
25 Jan - 25 Jan Fly Play
26 Jan - 26 Jan Fly Play
27 Jan - 27 Jan Fly Play
28 Jan - 28 Jan Fly Play
29 Jan - 29 Jan Fly Play
19 Jan - 19 Jan Fly Play
14 Jan - 14 Jan Fly Play
30 Jan - 07 Feb Scandinavian Airlines
30 Jan - 07 Feb American Airlines direct
28 Jan - 23 Feb Iberia direct

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

Skyscanner

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.

Book a cheap hotel in Boston

Cheap car rent in Boston