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How Long is the Flight from Colorado to Greece?

Flying from Colorado to Greece runs about 12 hours to 16 hours with one connection. Denver sits approximately 5,785 miles (9,310 km) from Greece. Denver International Airport (DEN) serves as the main gateway for this route. Greece (ATH) is the primary arrival point. Layovers through Chicago O'Hare, New York JFK, or Washington Dulles are most common. Booking 6 to 8 weeks ahead typically gets the best fares.

Colorado to Greece Flight Duration & Travel Information

Colorado to Greece Flight Distance: Approximately 5,785 miles (9,310 kilometers) from Denver to Greece.

Average Flight Time: Around 12 hours to 16 hours with one connection. Some itineraries with longer layovers can extend travel time.

Departure Airport: Denver International Airport (DEN).

Arrival Airport: Greece International Airport (ATH).

Airlines Operating: United Airlines, Delta Air Lines, American Airlines, British Airways, Lufthansa, Air France provide connecting service on this route.

The Colorado to Greece flight connects Denver with Greece. Common connection points include Chicago O'Hare, New York JFK, or Washington Dulles.

Best Airlines Flying from Colorado to Greece

United Airlines

Delta Air Lines

American Airlines

British Airways

Lufthansa

Air France

KLM Royal Dutch Airlines

What is the Average Flight Time from Colorado to Greece?

Connecting flights from Colorado to Greece run about 12 hours to 16 hours. Flying via Chicago O'Hare typically offers the shortest total travel time.

United Airlines and Delta Air Lines operate the most weekly departures from Denver. American Airlines also runs regular service.

Layovers typically last 2 to 4 hours. Longer connections sometimes cost $150 to $300 less.

Greece is +9 hours ahead of Colorado during standard time.

Plan for connection time at hub airports. Short layovers (under 90 minutes) can get tight if your first flight runs late.

Shoulder season months tend to be cheaper than peak travel periods.

Frequently Asked Questions

How long is the flight from Colorado to Greece?

The flight from Colorado to Greece takes around 12 hours to 16 hours with one connection. Total travel time depends on your layover city and duration. Flights routing through Chicago O'Hare typically fall on the shorter end.

How far is it from Colorado to Greece?

The distance from Denver to Greece is approximately 5,785 miles (9,310 kilometers). This long-haul route requires at least one connection.

What is the time difference between Colorado and Greece?

Greece is +9 hours ahead of Colorado.

Are there direct flights from Colorado to Greece?

No, there are no direct flights from Colorado to Greece as of 2025. All flights require at least one connection, typically through Chicago O'Hare, New York JFK, or Washington Dulles.

Which airlines fly from Colorado to Greece?

United Airlines, Delta Air Lines, American Airlines, British Airways, and Lufthansa operate connecting service from Denver to Greece. United Airlines has the most weekly departures.

Explore More Flight Times & Routes

Planning beyond this route? Explore more flight times, distances, and travel durations using our tools below.

Start with our Flight Time Calculator to estimate journey times worldwide, or browse average travel times from your departure city using the Colorado Flight Times.