Cheapest return flights from Boston to Copenhagen in December from $439

Best time to book flights for Boston (BOS) to Copenhagen (CPH) flights at AirHint

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

Return flights

07 Dec - 14 Dec Icelandair
07 Dec - 14 Dec Scandinavian Airlines direct
18 Dec - 30 Dec Fly Play
17 Dec - 24 Dec Icelandair
27 Dec - 03 Jan Icelandair
18 Dec - 30 Dec Scandinavian Airlines direct
17 Dec - 24 Dec Scandinavian Airlines direct

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

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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