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

Return flights

07 Jun - 14 Jun	Aer Lingus
01 Jun - 08 Jun	Icelandair
02 Jun - 08 Jun	Icelandair
30 Jun - 14 Jul	Brussels Airlines
16 Jun - 23 Jun	Brussels Airlines
05 Jun - 10 Jun	TAP
04 Jun - 07 Jun	Icelandair
06 Jun - 13 Jun	Icelandair
04 Jun - 12 Jun	Icelandair
05 Jun - 12 Jun	Icelandair
12 Jun - 21 Jun	Aer Lingus
23 Jun - 07 Jul	TAP
30 Jun - 21 Jul	TAP
22 Jun - 06 Jul	TAP
23 Jun - 31 Jul	TAP
25 Jun - 05 Jul	Iberia
26 Jun - 05 Jul	TAP
25 Jun - 03 Jul	Air Canada
17 Jun - 01 Jul	TAP
26 Jun - 03 Jul	TAP

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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Boston to London in June from 627€

Return flights