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

20 dates in October, from $ 510. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
31 Oct 8 Nov Aer Lingus
31 Oct 6 Nov Aer Lingus
31 Oct 14 Nov Icelandair
30 Oct 8 Nov Icelandair
29 Oct 8 Nov Icelandair
29 Oct 3 Nov Icelandair
28 Oct 3 Nov Icelandair
29 Oct 4 Nov British Airways
29 Oct 7 Nov British Airways
29 Oct 2 Nov British Airways
22 Oct 27 Oct Air France
Direct Flight
22 Oct 28 Oct Air France
Direct Flight
22 Oct 25 Oct Iberia
22 Oct 25 Oct Air France
Direct Flight
22 Oct 26 Oct Air France
Direct Flight
22 Oct 30 Oct Iberia
21 Oct 26 Oct TAP
21 Oct 25 Oct TAP
21 Oct 24 Oct TAP
20 Oct 26 Oct TAP
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Deals for one-way flights from London to Boston in October.

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Updated Oct 16, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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