Cheapest return flights from Boston to Copenhagen in September from $403

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

Return flights

08 Sep - 15 Sep Scandinavian Airlines direct
09 Sep - 23 Sep TAP
16 Sep - 23 Sep TAP
16 Sep - 02 Oct TAP
15 Sep - 19 Sep Icelandair
18 Sep - 22 Sep Icelandair
09 Sep - 23 Sep Scandinavian Airlines direct
16 Sep - 23 Sep Scandinavian Airlines direct
23 Sep - 30 Sep Scandinavian Airlines direct
28 Sep - 05 Oct Icelandair
26 Sep - 03 Oct Icelandair
15 Sep - 19 Sep Scandinavian Airlines direct
05 Sep - 12 Sep Icelandair
16 Sep - 02 Oct Scandinavian Airlines direct
28 Sep - 05 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.

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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