Cheapest return flights from London to Boston in April from 396€

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

Return flights

27 Apr - 08 May SWISS
13 Apr - 27 Apr SWISS
20 Apr - 04 May SWISS
27 Apr - 11 May SWISS
20 Apr - 25 Apr SWISS
29 Apr - 06 May SWISS
17 Apr - 24 Apr Austrian Airlines
10 Apr - 24 Apr Austrian Airlines
17 Apr - 22 Apr Austrian Airlines
17 Apr - 21 Apr Austrian Airlines
18 Apr - 22 Apr Austrian Airlines
12 Apr - 19 Apr SWISS
18 Apr - 02 May Austrian Airlines
11 Apr - 18 Apr Austrian Airlines
10 Apr - 25 Apr Austrian Airlines
25 Apr - 03 May Air Canada
29 Apr - 06 May Virgin Atlantic direct
27 Apr - 11 May British Airways direct
27 Apr - 08 May British Airways direct
18 Apr - 02 May British Airways direct

Also check the deals for one-way 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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