Cheapest return flights from London to Boston in April from $389

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

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

Return flights

05 Apr - 09 Apr Ryanair
20 Apr - 04 May Icelandair
23 Apr - 04 May Icelandair
22 Apr - 30 Apr Icelandair
01 Apr - 01 Apr Vueling Airlines
02 Apr - 14 Apr Vueling Airlines
03 Apr - 08 Apr Vueling Airlines
21 Apr - 29 Apr Icelandair
21 Apr - 28 Apr Icelandair
21 Apr - 30 Apr Icelandair
20 Apr - 30 Apr Icelandair
23 Apr - 01 May Icelandair
21 Apr - 02 May Icelandair
22 Apr - 01 May Icelandair
28 Apr - 05 May Icelandair
20 Apr - 01 May Icelandair
20 Apr - 03 May Icelandair
29 Apr - 07 May Icelandair
01 Apr - 08 Apr Vueling Airlines
21 Apr - 28 May Icelandair

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