Cheapest return flights from London to Boston in April from $568

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 2026 (see full year).

Return flights

15 Apr - 21 Apr Icelandair
15 Apr - 26 Apr Iberia
17 Apr - 21 Apr Icelandair
20 Apr - 27 Apr TAP
01 Apr - 09 Apr TAP
03 Apr - 19 Apr TAP
17 Apr - 22 Apr Icelandair
02 Apr - 02 Apr easyJet
01 Apr - 01 Apr TAP
29 Apr - 03 May Iberia

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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