Cheapest return flights from London to Boston in June from $632

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

Return flights

04 Jun - 11 Jun Delta
30 Jun - 15 Jul Lufthansa
30 Jun - 09 Jul Lufthansa
05 Jun - 08 Jul Lufthansa
30 Jun - 06 Jul British Airways
04 Jun - 09 Jun Lufthansa
15 Jun - 08 Jul Lufthansa
05 Jun - 09 Jun Lufthansa
03 Jun - 10 Jun Lufthansa
01 Jun - 11 Jun Lufthansa
30 Jun - 14 Jul Lufthansa
04 Jun - 30 Jun Lufthansa
16 Jun - 02 Jul Lufthansa
30 Jun - 05 Jul Lufthansa
09 Jun - 23 Jun Lufthansa
24 Jun - 01 Jul Lufthansa
16 Jun - 30 Jun Lufthansa
02 Jun - 08 Jun Lufthansa
25 Jun - 02 Jul Lufthansa
03 Jun - 17 Jun Lufthansa

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