Cheapest one-way flights from Denver to Frankfurt in December from $288

AirHint found the following cheapest one-way flights from Denver (DEN) to Frankfurt (FRA) in December 2025 (see full year).

One-Way flights

08 Dec Frontier Airlines
01 Dec Frontier Airlines
24 Dec Frontier Airlines
01 Dec Lufthansa direct
24 Dec Lufthansa direct
16 Dec Frontier Airlines
21 Dec Frontier Airlines
16 Dec Lufthansa direct
08 Dec Lufthansa direct
21 Dec Lufthansa direct

Also check the deals for return flights from Denver to Frankfurt in December.

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