Cheapest return flights from Boston to London in April from 440€

Best time to book flights for Boston (BOS) to London (LHR) flights at AirHint

AirHint found the following cheapest return flights from Boston (BOS) to London (LHR) in April 2025 (see full year).

Return flights

16 Apr - 01 May Icelandair
25 Apr - 29 Apr Icelandair
29 Apr - 06 May Icelandair
25 Apr - 07 May Icelandair
27 Apr - 10 May Icelandair
30 Apr - 07 May Icelandair
01 Apr - 15 May Icelandair
28 Apr - 06 May Icelandair
09 Apr - 14 Apr Fly Play
21 Apr - 01 May Icelandair
09 Apr - 16 Apr Fly Play
01 Apr - 15 Apr Icelandair
16 Apr - 22 Apr Icelandair
16 Apr - 23 Apr Icelandair
15 Apr - 22 Apr Icelandair
03 Apr - 07 Apr Icelandair
01 Apr - 07 Apr Icelandair
24 Apr - 03 May Icelandair
26 Apr - 07 May Icelandair
15 Apr - 21 Apr Icelandair

Also check the deals for one-way 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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