Cheapest return flights from Boston to London in April from $469

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

08 Apr - 14 Apr Fly Play
08 Apr - 22 Apr Icelandair
02 Apr - 10 Apr Fly Play
09 Apr - 14 Apr Fly Play
15 Apr - 06 May Icelandair
01 Apr - 14 Apr Icelandair
29 Apr - 06 May Icelandair
04 Apr - 15 Apr Icelandair
08 Apr - 20 Apr Icelandair
16 Apr - 23 Apr Icelandair
03 Apr - 12 Apr Icelandair
22 Apr - 29 Apr Icelandair
05 Apr - 01 May Icelandair
28 Apr - 06 May Icelandair
25 Apr - 03 May Icelandair
27 Apr - 03 May Icelandair
26 Apr - 01 May Icelandair
26 Apr - 02 May Icelandair
26 Apr - 03 May Icelandair
27 Apr - 05 May Icelandair

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