AirHint found the following cheapest return flights from Boston (BOS) to Edinburgh (EDI) in October 2025 (see full year).

Return flights

30 Oct - 02 Nov	Air Canada
17 Oct - 08 Nov	Aer Lingus
13 Oct - 08 Nov	Aer Lingus
13 Oct - 17 Oct	Aer Lingus
15 Oct - 19 Oct	Air Canada
28 Oct - 05 Nov	SWISS
17 Oct - 20 Oct	Air Canada
22 Oct - 28 Oct	Air Canada
30 Oct - 07 Nov	Icelandair
25 Oct - 15 Nov	Aer Lingus
30 Oct - 09 Nov	SWISS
15 Oct - 04 Nov	Aer Lingus
29 Oct - 17 Nov	Aer Lingus
24 Oct - 31 Oct	Icelandair
06 Oct - 20 Oct	Air Canada
19 Oct - 23 Oct	Aer Lingus
12 Oct - 19 Oct	Lufthansa
09 Oct - 14 Oct	Aer Lingus
01 Oct - 25 Oct	jetBlue	direct

Also check the deals for one-way flights from Boston to Edinburgh in October.

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 Boston to Edinburgh in October from $440

Return flights