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

Return flights

22 Apr - 29 Apr	Ryanair
22 Apr - 27 Apr	Ryanair
22 Apr - 06 May	Ryanair
18 Apr - 21 Apr	Ryanair
16 Apr - 21 Apr	Ryanair
16 Apr - 25 Apr	Ryanair
23 Apr - 07 May	Ryanair
22 Apr - 07 May	Ryanair
23 Apr - 30 Apr	Ryanair
16 Apr - 30 Apr	Ryanair
23 Apr - 27 Apr	Ryanair
17 Apr - 20 Apr	Ryanair
17 Apr - 21 Apr	Ryanair
28 Apr - 05 May	Wizz Air UK
23 Apr - 09 May	Ryanair
21 Apr - 01 May	Wizz Air UK
08 Apr - 18 May	Ryanair
26 Apr - 02 May	easyJet
28 Apr - 04 May	easyJet
25 Apr - 17 May	Ryanair

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

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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Cheapest return flights from London to Boston in April from $526

Return flights