Cheapest return flights from Denver to Oslo in December from 451€

AirHint found the following cheapest return flights from Denver (DEN) to Oslo (OSL) in December 2025 (see full year).

Return flights

07 Dec - 14 Dec Delta
08 Dec - 14 Dec Delta
30 Dec - 07 Jan Lufthansa
16 Dec - 13 Jan jetBlue
15 Dec - 22 Dec Delta
04 Dec - 27 Dec Icelandair
03 Dec - 27 Dec Lufthansa
16 Dec - 31 Dec British Airways
21 Dec - 27 Dec Frontier Airlines

Also check the deals for one-way flights from Denver to Oslo in December.

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