Cheapest return flights from Boston to Copenhagen in September from $478

AirHint found the following cheapest return flights from Boston (BOS) to Copenhagen (CPH) in September 2026 (see full year).

Return flights

04 Sep - 13 Sep Lufthansa
09 Sep - 16 Sep Scandinavian Airlines direct
14 Sep - 21 Sep Scandinavian Airlines direct
15 Sep - 22 Sep Scandinavian Airlines direct
16 Sep - 23 Sep Scandinavian Airlines direct
23 Sep - 30 Sep Scandinavian Airlines direct
02 Sep - 09 Sep Scandinavian Airlines direct
22 Sep - 29 Sep Scandinavian Airlines direct
29 Sep - 06 Oct Scandinavian Airlines direct
30 Sep - 07 Oct Scandinavian Airlines direct
28 Sep - 05 Oct Scandinavian Airlines direct
27 Sep - 04 Oct Scandinavian Airlines direct
07 Sep - 14 Sep Scandinavian Airlines direct
10 Sep - 17 Sep Scandinavian Airlines direct
25 Sep - 02 Oct Scandinavian Airlines direct
24 Sep - 01 Oct Scandinavian Airlines direct
26 Sep - 03 Oct Scandinavian Airlines direct

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

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