Cheapest return flights from Boston to London in June from $561

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

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

Return flights

02 Jun - 10 Jun Icelandair
02 Jun - 08 Jun Icelandair
09 Jun - 15 Jun Icelandair
03 Jun - 09 Jun Icelandair
04 Jun - 17 Jun Icelandair
11 Jun - 15 Jun Icelandair
09 Jun - 16 Jun Icelandair
15 Jun - 19 Jun Icelandair
02 Jun - 16 Jun Icelandair
03 Jun - 07 Jun Icelandair
30 Jun - 08 Jul Icelandair
16 Jun - 01 Jul Icelandair
29 Jun - 12 Jul Icelandair
16 Jun - 07 Jul Icelandair
24 Jun - 24 Jul Icelandair
24 Jun - 01 Jul Icelandair
29 Jun - 13 Jul Icelandair
15 Jun - 07 Jul Icelandair
10 Jun - 10 Jul Icelandair
08 Jun - 20 Jul Icelandair

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