Cheapest return flights from Boston to London in April from 345€

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

Return flights

29 Apr - 05 May Air Canada
14 Apr - 21 Apr Air Canada
01 Apr - 15 Apr TAP
29 Apr - 04 May TAP
21 Apr - 05 May SWISS
28 Apr - 04 May TAP
30 Apr - 04 May LEVEL
20 Apr - 25 Apr Air Canada
21 Apr - 26 Apr Air Canada
17 Apr - 20 Apr Air Canada
15 Apr - 20 Apr Air Canada
06 Apr - 23 Apr TAP
30 Apr - 05 May LEVEL
20 Apr - 29 Apr TAP
11 Apr - 19 Apr LEVEL
04 Apr - 12 Apr Frontier Airlines
07 Apr - 28 May SWISS
30 Apr - 17 May LEVEL
23 Apr - 10 May Iberia
30 Apr - 11 May LEVEL

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

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