Cheapest return flights from Boston to Copenhagen in December from 348€

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

Return flights

01 Dec - 12 Dec TAP
07 Dec - 14 Dec Scandinavian Airlines
31 Dec - 24 Jan Lufthansa
13 Dec - 15 Dec Scandinavian Airlines
31 Dec - 11 Jan Lufthansa
04 Dec - 11 Dec Scandinavian Airlines
30 Dec - 11 Jan Austrian Airlines
06 Dec - 13 Dec Scandinavian Airlines
15 Dec - 10 Jan Scandinavian Airlines
12 Dec - 15 Dec TAP
12 Dec - 19 Dec American Airlines
30 Dec - 11 Jan Scandinavian Airlines direct
14 Dec - 21 Dec American Airlines
28 Dec - 16 Jan Scandinavian Airlines direct
31 Dec - 07 Jan Icelandair
25 Dec - 17 Jan Iberia
12 Dec - 15 Dec Scandinavian Airlines direct
24 Dec - 17 Jan Iberia
16 Dec - 10 Jan Icelandair
01 Dec - 02 Dec Iberia

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

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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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