Cheapest return flights from London (LHR) to Boston (BOS), June

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
22 Jun 29 Jun Icelandair
05 Jun 15 Jun Icelandair
23 Jun 29 Jun Icelandair
10 Jun 13 Jun Icelandair
01 Jun 08 Jun Icelandair
18 Jun 02 Jul Air Canada
04 Jun 12 Jun Air Canada
08 Jun 15 Jun Icelandair
04 Jun 11 Jun Air Canada
24 Jun 23 Jul Air Canada
01 Jun 16 Jun Icelandair
08 Jun 22 Jun Aer Lingus
18 Jun 02 Jul Finnair
Direct Flight
24 Jun 23 Jul Iberia
Direct Flight
19 Jun 03 Jul Lufthansa
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deals for one-way flights from London to Boston in June.

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Updated Aug 26, 2026.

About these fares

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