Cheapest return flights from Denver to Frankfurt in May from $874

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

Return flights

02 May - 23 May Aer Lingus
23 May - 07 Jun Aer Lingus
03 May - 10 May Lufthansa direct
13 May - 20 May Icelandair
13 May - 20 May Lufthansa direct
02 May - 23 May United direct
23 May - 30 May Icelandair
23 May - 30 May Lufthansa direct
23 May - 07 Jun United direct

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

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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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