Cheapest one-way flights from London to Boston in April from $405

AirHint found the following cheapest one-way flights from London (LHR) to Boston (BOS) in April 2026 (see full year).

One-Way flights

27 Apr Aer Lingus
13 Apr British Airways
05 Apr British Airways
25 Apr British Airways
26 Apr British Airways
27 Apr British Airways direct
10 Apr TAP
04 Apr TAP
22 Apr Icelandair
13 Apr Finnair direct

Also check the deals for return flights from London to Boston in April.

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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