Cheapest return flights from Boston to London in August from 299€

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

Return flights

25 Aug - 27 Aug Lufthansa
05 Aug - 22 Sep Iberia For Level
15 Aug - 17 Aug British Airways
19 Aug - 26 Aug TAP
25 Aug - 01 Sep TAP
04 Aug - 06 Aug Lufthansa
18 Aug - 29 Aug TAP
21 Aug - 18 Sep TAP
25 Aug - 03 Sep TAP
21 Aug - 03 Sep Lufthansa
20 Aug - 27 Aug Lufthansa
22 Aug - 29 Aug TAP
15 Aug - 29 Aug Lufthansa
05 Aug - 07 Aug Air Canada
07 Aug - 08 Sep TAP
09 Aug - 31 Aug jetBlue direct
20 Aug - 01 Sep Air Canada
27 Aug - 02 Sep Aer Lingus
23 Aug - 07 Sep Aer Lingus
26 Aug - 02 Sep Aer Lingus

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

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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