AirHint found the following cheapest return flights from Boston (BOS) to Copenhagen (CPH) in January 2026 (see full year).

Return flights

15 Jan - 20 Jan	Scandinavian Airlines	direct
13 Jan - 20 Jan	Scandinavian Airlines	direct
23 Jan - 30 Jan	Scandinavian Airlines	direct
13 Jan - 27 Jan	Scandinavian Airlines	direct
16 Jan - 30 Jan	TAP
16 Jan - 07 Feb	TAP
16 Jan - 20 Jan	Scandinavian Airlines	direct
16 Jan - 07 Feb	Scandinavian Airlines	direct
16 Jan - 30 Jan	Scandinavian Airlines	direct
15 Jan - 19 Jan	SWISS
08 Jan - 15 Jan	Icelandair
03 Jan - 10 Jan	Icelandair

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

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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Cheapest return flights from Boston to Copenhagen in January from 363€

Return flights