Cheapest return flights from London to Boston in June from 400€

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

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

Return flights

08 Jun - 30 Jun Icelandair
16 Jun - 30 Jun Icelandair
06 Jun - 14 Jun Icelandair
11 Jun - 17 Jun Icelandair
27 Jun - 06 Jul Icelandair
12 Jun - 15 Jun Icelandair
05 Jun - 08 Jun Icelandair
05 Jun - 09 Jun Icelandair
02 Jun - 06 Jun Icelandair
13 Jun - 17 Jun Icelandair
01 Jun - 28 Jun Icelandair
23 Jun - 14 Jul Icelandair
29 Jun - 13 Jul Icelandair
20 Jun - 11 Jul Icelandair
18 Jun - 17 Jul easyJet
19 Jun - 29 Jul Fly Play
19 Jun - 02 Jul Icelandair
28 Jun - 29 Jul Wizz Air Malta
18 Jun - 17 Jul jetBlue direct
23 Jun - 14 Jul Air France direct

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

Skyscanner

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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