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

Return flights

31 Aug - 08 Sep	Fly Play
24 Aug - 02 Sep	Air France
29 Aug - 03 Sep	Icelandair
28 Aug - 01 Sep	Lufthansa
28 Aug - 02 Sep	Lufthansa
22 Aug - 13 Sep	Fly Play
25 Aug - 20 Sep	Aer Lingus
26 Aug - 20 Sep	Aer Lingus
21 Aug - 01 Sep	Lufthansa
19 Aug - 28 Aug	Aer Lingus
24 Aug - 28 Aug	Aer Lingus
18 Aug - 13 Sep	Fly Play
22 Aug - 30 Aug	Aer Lingus
18 Aug - 26 Aug	Fly Play
20 Aug - 22 Aug	Air France
18 Aug - 26 Aug	Air France	direct
17 Aug - 24 Aug	Delta
22 Aug - 30 Aug	Air France	direct
16 Aug - 19 Aug	SWISS
16 Aug - 24 Aug	Virgin Atlantic

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

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 August from 429€

Return flights