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

Return flights

11 Jun - 18 Jun	Iberia
04 Jun - 09 Jun	Iberia
03 Jun - 07 Jun	Iberia
01 Jun - 05 Jun	jetBlue	direct
03 Jun - 07 Jun	jetBlue	direct
01 Jun - 06 Jun	LEVEL
04 Jun - 11 Jun	Icelandair
10 Jun - 13 Jun	TAP
04 Jun - 11 Jun	jetBlue	direct
11 Jun - 13 Jun	Condor
15 Jun - 31 Jul	Icelandair
21 Jun - 01 Jul	Icelandair
27 Jun - 04 Jul	jetBlue	direct
29 Jun - 12 Jul	Icelandair
25 Jun - 02 Jul	Icelandair
25 Jun - 14 Jul	Icelandair
26 Jun - 05 Jul	Icelandair
26 Jun - 05 Jul	jetBlue	direct
21 Jun - 01 Jul	jetBlue	direct
29 Jun - 12 Jul	jetBlue	direct

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 $661

Return flights