AirHint found the following cheapest return flights from Denver (DEN) to Frankfurt (FRA) in March 2026 (see full year).

Return flights

10 Mar - 24 Mar	Scandinavian Airlines
10 Mar - 16 Mar	Scandinavian Airlines
17 Mar - 22 Mar	Scandinavian Airlines
12 Mar - 04 Apr	Turkish Airlines
02 Mar - 09 Mar	Icelandair
27 Mar - 03 Apr	Icelandair
17 Mar - 24 Mar	Lufthansa
18 Mar - 30 Mar	United
12 Mar - 19 Mar	Lufthansa
07 Mar - 14 Mar	Lufthansa
22 Mar - 29 Mar	Lufthansa
17 Mar - 22 Mar	Lufthansa	direct

Also check the deals for one-way flights from Denver to Frankfurt in March.

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 Denver to Frankfurt in March from $658

Return flights