Cheapest one-way flights from Boston to London in April from $195

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

One-Way flights

19 Apr Icelandair
15 Apr Icelandair
22 Apr British Airways direct
23 Apr British Airways direct
19 Apr British Airways direct
15 Apr British Airways direct
25 Apr Iberia direct
26 Apr Iberia direct
21 Apr Air France direct
27 Apr British Airways direct

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

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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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