Cheapest return flights from Boston to Copenhagen in December from 346€

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

Return flights

05 Dec - 09 Dec TAP
01 Dec - 07 Dec TAP
02 Dec - 09 Dec Scandinavian Airlines
04 Dec - 11 Dec Icelandair
06 Dec - 13 Dec Icelandair
10 Dec - 17 Dec Icelandair
31 Dec - 07 Jan Icelandair
28 Dec - 16 Jan KLM
08 Dec - 15 Dec Scandinavian Airlines
01 Dec - 27 Dec TAP
04 Dec - 27 Dec TAP
17 Dec - 26 Dec Air France
16 Dec - 10 Jan Iberia
27 Dec - 17 Jan Iberia
22 Dec - 17 Jan KLM
21 Dec - 10 Jan Icelandair
28 Dec - 04 Jan Scandinavian Airlines
10 Dec - 03 Jan Iberia
13 Dec - 03 Jan British Airways
21 Dec - 02 Jan Iberia

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

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