Cheapest return flights from Boston to Edinburgh in September from 433€

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

Return flights

10 Sep - 18 Sep Lufthansa
03 Sep - 05 Sep Lufthansa
07 Sep - 27 Sep Lufthansa
02 Sep - 02 Oct SWISS
10 Sep - 19 Sep Lufthansa
27 Sep - 03 Oct SWISS
09 Sep - 04 Oct Aer Lingus
18 Sep - 22 Sep Icelandair
24 Sep - 28 Sep SWISS
03 Sep - 27 Sep Icelandair
02 Sep - 27 Sep Aer Lingus
08 Sep - 14 Sep Aer Lingus
10 Sep - 20 Sep Lufthansa
28 Sep - 18 Oct Aer Lingus
18 Sep - 12 Oct Aer Lingus
30 Sep - 15 Oct Delta direct
30 Sep - 07 Oct United
24 Sep - 01 Oct United
27 Sep - 18 Oct Aer Lingus
15 Sep - 11 Oct Aer Lingus

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

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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