Cheapest one-way flights from London (LHR) to Boston (BOS), August

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
31 Aug Icelandair
30 Aug British Airways
21 Aug Aer Lingus
31 Aug British Airways
Direct Flight
20 Aug Aer Lingus
30 Aug British Airways
Direct Flight
23 Aug Aer Lingus
24 Aug Lufthansa
26 Aug Aer Lingus
22 Aug Aer Lingus
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deals for return flights from London to Boston in August.

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Updated Jul 12, 2026.

About these fares

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