Flights from Denver to Vienna from US$ 596.99

For flights from Denver (DEN) to Vienna (VIE), the lowest average fares occur in January and September. On this route, Thursday departures are cheaper than Sunday departures. Prices still depend on the exact travel date and fare choice, so comparing several departure days within those months helps identify lower-cost options.

Flights from Denver (DEN) to Vienna (VIE) require a connection through a North American gateway and Frankfurt (FRA). The flight takes about 2–3 hours from Denver (DEN) to the North American gateway, about 9 hours 30 minutes to a little over 11 hours from there to Frankfurt (FRA), and about 1 hour 15 minutes from Frankfurt (FRA) to Vienna (VIE).

On Condor’s long-haul flight (operated with an Airbus A330-900neo) from Denver (DEN) to Frankfurt (FRA), Economy Class includes a complimentary hot meal from the Taste the World Menu together with free non-alcoholic beverages. On the same long-haul flight, Premium Economy receives an enhanced Classic Premium Menu, and Business Class is served a multi-course Taste the World Gourmet Menu with an extended drinks selection. Additional snacks and alcoholic beverages are offered, with inclusions varying by travel class and fare. Onboard amenities and services on the connecting flight from Frankfurt (FRA) to Vienna (VIE) follow the short-haul concept and differ from the long-haul flight, with a lighter snack and a more limited included selection.

On Condor’s long-haul flight (operated with an Airbus A330-900neo) from Denver (DEN) to Frankfurt (FRA), Baggage allowance offers a lie-flat seat for sleeping, a large personal entertainment screen, and a multi-course Taste the World Gourmet Menu with a wide choice of drinks. At the airport, Business Class includes priority services for check-in, security, boarding, and baggage, lounge access at participating airports, and an increased free baggage allowance with higher cabin baggage limits. Before departure, travelers in Business Class benefit from free seat reservation, several eJournal downloads, and one piece of sports equipment up to 30 kg when registered in advance. On board, Business Class provides an amenity kit and additional comfort items, while selected flights also offer optional Prime Seats in the first rows with an even larger bed, extra space, a pyjama, a larger 4K screen, FlyConnect Surf package, and a dedicated snack basket. Service on the onward European flight from Frankfurt (FRA) to Vienna (VIE) follows the short-haul concept and is more limited than on the long-haul flight.

Flights from Denver (DEN) to Vienna (VIE) are sold with a connection via a North American gateway and Frankfurt (FRA). In the summer season, Condor-marketed connections via Seattle (SEA) operate from Monday through Sunday, and in the winter season these connections via Seattle (SEA) operate on Monday, Thursday, and Saturday.

Condor does not operate a nonstop flight from Denver (DEN) to Vienna (VIE). Travel on this route involves changing planes in a North American gateway such as Seattle (SEA), Los Angeles (LAX), Portland (PDX), or Calgary (YYC), and then again in Frankfurt (FRA).

On Condor’s long-haul flight (operated with an Airbus A330-900neo) from Denver (DEN) to Frankfurt (FRA), Wi‑Fi is provided through the FlyConnect service for an extra charge, with different packages available for online use during the flight. Passengers can also use in-seat power outlets and USB ports on this aircraft to keep personal devices charged while connected. Onboard amenities and services on the connecting flight from Frankfurt (FRA) to Vienna (VIE) may differ, and inflight Wi‑Fi is not guaranteed on the short European flight.

On Condor’s long-haul flight (operated with an Airbus A330-900neo) from Denver (DEN) to Frankfurt (FRA), extra legroom seats in Economy Class can be reserved in advance for an additional fee during seat reservation or online check-in. These XL-Seats are located at emergency exit rows and provide more space, but they have safety restrictions, so passengers such as children under 14, expectant mothers, travelers with reduced mobility, and those traveling with pets in the cabin are not permitted to sit there. Fares like Economy Best and Business class include a free standard seat reservation, while other fares allow paid selection of both standard and extra legroom seats. The connecting short-haul flight from Frankfurt (FRA) to Vienna (VIE) follows the same seating concept, though the exact seat map and number of extra legroom seats depend on the aircraft used.

For flights from Denver (DEN) to Vienna (VIE), baggage allowances follow Condor’s long-haul rules and depend on both the chosen fare and travel class. In Economy Class, cabin baggage starts with a small allowance and checked baggage ranges from no included checked bag in the most basic fares up to a free checked bag in higher Economy fares. Premium Economy includes increased cabin baggage of 10 kg and a higher checked baggage allowance than Economy. Business Class includes higher checked baggage limits, including up to 2 × 32 kg on long-haul flights to and from North America, an increased cabin baggage allowance of 16 kg, and one piece of sports equipment up to 30 kg when registered in advance. Additional baggage can be purchased as an extra, and sports equipment must be registered no later than eight hours before departure to use the regular sports baggage conditions.

Lower prices on the Denver (DEN) – Vienna (VIE) route are linked to booking well ahead of departure. The most favorable lead times for lower fares are around four months before departure, about two months before departure, and roughly six weeks before departure, rather than buying tickets very close to the travel date.