Cheapest return flights from Boston to Copenhagen in December from 353€

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

Return flights

03 Dec - 09 Dec SWISS
09 Dec - 15 Dec SWISS
28 Dec - 16 Jan Lufthansa
04 Dec - 11 Dec Scandinavian Airlines
07 Dec - 14 Dec Scandinavian Airlines
10 Dec - 17 Dec Icelandair
01 Dec - 08 Dec Scandinavian Airlines direct
04 Dec - 07 Dec Scandinavian Airlines
11 Dec - 15 Dec TAP
22 Dec - 17 Jan Icelandair
13 Dec - 20 Dec Icelandair
22 Dec - 01 Jan Icelandair
24 Dec - 02 Jan Icelandair
22 Dec - 01 Jan Scandinavian Airlines direct
21 Dec - 27 Dec Icelandair
25 Dec - 03 Jan British Airways
18 Dec - 04 Jan Icelandair
23 Dec - 02 Jan Iberia
23 Dec - 02 Jan Scandinavian Airlines direct
22 Dec - 02 Jan Scandinavian Airlines direct

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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