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

Return flights

01 Jun - 08 Jun	Aer Lingus
12 Jun - 15 Jun	Aer Lingus
11 Jun - 20 Jun	Aer Lingus
10 Jun - 20 Jun	Icelandair
17 Jun - 24 Jun	Aer Lingus
16 Jun - 23 Jun	Aer Lingus
10 Jun - 21 Jun	Icelandair
18 Jun - 23 Jun	Aer Lingus
19 Jun - 27 Jun	Aer Lingus
10 Jun - 17 Jun	Aer Lingus
23 Jun - 05 Jul	Icelandair
25 Jun - 05 Jul	Icelandair
17 Jun - 01 Jul	Iberia
26 Jun - 09 Jul	Icelandair
21 Jun - 03 Jul	Turkish Airlines
19 Jun - 02 Jul	Aer Lingus
12 Jun - 01 Jul	Turkish Airlines
19 Jun - 03 Jul	Turkish Airlines
21 Jun - 05 Jul	Turkish Airlines
21 Jun - 04 Jul	Turkish Airlines

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

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 Boston to London in June from $692

Return flights