Cheap Flights from Denver to Mainz

View €342 flight on Thu, 16 Oct 2025Opens in a new window

Popular airlines from Denver to Mainz

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Cheap flights from Denver to Mainz (DEN-FRA)

Prices were available within the past 7 days and start at €342 for one-way flights and €495 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, 16 Oct - Wed, 22 Oct
DEN
Denver
FRA
Frankfurt
€495 Return, found 3 days ago
€495
Return
found 3 days ago
Select Alaska Airlines flight, departing Thu, 16 Oct from Denver to Frankfurt, returning Wed, 22 Oct, priced at €495 found 3 days ago
Icelandair
Thu, 16 Oct - Wed, 22 Oct
DEN
Denver
FRA
Frankfurt
€645 Return, found 3 days ago
€645
Return
found 3 days ago
Select Icelandair flight, departing Thu, 16 Oct from Denver to Frankfurt, returning Wed, 22 Oct, priced at €645 found 3 days ago
Aer Lingus
Thu, 16 Oct - Wed, 22 Oct
DEN
Denver
FRA
Frankfurt
€657 Return, found 3 days ago
€657
Return
found 3 days ago
Select Aer Lingus flight, departing Thu, 16 Oct from Denver to Frankfurt, returning Wed, 22 Oct, priced at €657 found 3 days ago
Lufthansa
Sun, 24 Aug - Tue, 9 Sep
DEN
Denver
FRA
Frankfurt
€674 Return, found 9 hours ago
€674
Return
found 9 hours ago
Select Lufthansa flight, departing Sun, 24 Aug from Denver to Frankfurt, returning Tue, 9 Sep, priced at €674 found 9 hours ago
United
Sun, 24 Aug - Tue, 9 Sep
DEN
Denver
FRA
Frankfurt
€674 Return, found 9 hours ago
€674
Return
found 9 hours ago
Select United flight, departing Sun, 24 Aug from Denver to Frankfurt, returning Tue, 9 Sep, priced at €674 found 9 hours ago
British Airways
Sun, 24 Aug - Tue, 9 Sep
DEN
Denver
FRA
Frankfurt
€679 Return, found 9 hours ago
€679
Return
found 9 hours ago
Select British Airways flight, departing Sun, 24 Aug from Denver to Frankfurt, returning Tue, 9 Sep, priced at €679 found 9 hours ago

Find the cheapest month to fly from Denver (DEN) to Frankfurt (FRA)

March is typically the cheapest month to fly

From €391 - €1,065 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.