Cheapest return flights from Boston to London in April from 387€

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

Return flights

22 Apr - 29 Apr Air Canada
12 Apr - 26 Apr Air Canada
10 Apr - 18 Apr Air Canada
02 Apr - 14 Apr Air Canada
12 Apr - 19 Apr Air Canada
17 Apr - 25 Apr Air Canada
02 Apr - 09 Apr Lufthansa
22 Apr - 29 Apr Virgin Atlantic direct
21 Apr - 16 May Aer Lingus
28 Apr - 07 May Aer Lingus
19 Apr - 03 May Aer Lingus
22 Apr - 06 May Aer Lingus
02 Apr - 09 Apr Virgin Atlantic direct
12 Apr - 19 Apr Virgin Atlantic direct
28 Apr - 07 May British Airways direct
22 Apr - 06 May British Airways direct
15 Apr - 09 May United
18 Apr - 09 May United
15 Apr - 09 May British Airways direct
21 Apr - 16 May British Airways direct

Also check the deals for one-way flights from Boston to London 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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