AirHint found the following cheapest return flights from Manchester (MAN) to Boston (BOS) in September 2025 (see full year).

Return flights

25 Sep - 29 Sep	Ryanair
26 Sep - 06 Oct	Lufthansa
23 Sep - 30 Sep	SWISS
22 Sep - 29 Sep	Delta
29 Sep - 06 Oct	KLM
23 Sep - 01 Oct	KLM
25 Sep - 01 Oct	Ryanair
25 Sep - 28 Sep	Ryanair
26 Sep - 29 Sep	Lufthansa
29 Sep - 09 Oct	Delta
22 Sep - 05 Oct	Lufthansa
23 Sep - 28 Sep	Delta
21 Sep - 30 Sep	Air Canada
22 Sep - 27 Sep	Scandinavian Airlines
28 Sep - 08 Oct	KLM
24 Sep - 27 Sep	Scandinavian Airlines
28 Sep - 05 Oct	Ryanair
27 Sep - 04 Oct	Aer Lingus
18 Sep - 23 Sep	Ryanair
29 Sep - 04 Oct	Icelandair

Also check the deals for one-way flights from Manchester to Boston in September.

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 Manchester to Boston in September from $556

Return flights