Cheapest return flights from London to Boston in June from $463

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

AirHint found the following cheapest return flights from London (LHR) to Boston (BOS) in June 2025 (see full year).

Return flights

03 Jun - 17 Jun Icelandair
23 Jun - 06 Jul Icelandair
28 Jun - 06 Jul Icelandair
10 Jun - 24 Jun Icelandair
16 Jun - 22 Jun Icelandair
09 Jun - 23 Jun Icelandair
11 Jun - 15 Jun Icelandair
13 Jun - 16 Jun Icelandair
16 Jun - 30 Jun Icelandair
06 Jun - 14 Jun Icelandair
10 Jun - 17 Jun Icelandair
18 Jun - 23 Jun Icelandair
18 Jun - 13 Jul Icelandair
23 Jun - 21 Jul United
30 Jun - 14 Jul British Airways direct
25 Jun - 02 Jul British Airways direct
18 Jun - 17 Jul British Airways direct
23 Jun - 21 Jul British Airways direct
04 Jun - 23 Jul United
30 Jun - 07 Jul British Airways direct

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

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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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