Cheapest return flights from London to Boston in June from 449€

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

Return flights

13 Jun - 27 Jun SWISS
12 Jun - 26 Jun SWISS
04 Jun - 18 Jun SWISS
13 Jun - 24 Jun SWISS
06 Jun - 20 Jun SWISS
05 Jun - 30 Jun SWISS
06 Jun - 16 Jun SWISS
05 Jun - 26 Jun SWISS
10 Jun - 22 Jun SWISS
11 Jun - 18 Jun SWISS
23 Jun - 02 Jul SWISS
18 Jun - 02 Jul Air Canada
25 Jun - 02 Jul Air Canada
24 Jun - 03 Jul Iberia

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

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.

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