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How Long is the Flight from Colorado to Portugal?

Flying from Colorado to Portugal runs about 10 hours to 13 hours with one connection. Denver sits approximately 4,685 miles (7,539 km) from Portugal. Denver International Airport (DEN) serves as the main gateway for this route. Portugal (LIS) 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 Portugal Flight Duration & Travel Information

Colorado to Portugal Flight Distance: Approximately 4,685 miles (7,539 kilometers) from Denver to Portugal.

Average Flight Time: Around 10 hours to 13 hours with one connection. Some itineraries with longer layovers can extend travel time.

Departure Airport: Denver International Airport (DEN).

Arrival Airport: Portugal International Airport (LIS).

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

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

Best Airlines Flying from Colorado to Portugal

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 Portugal?

Connecting flights from Colorado to Portugal run about 10 hours to 13 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.

Portugal is +7 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 Portugal?

The flight from Colorado to Portugal takes around 10 hours to 13 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 Portugal?

The distance from Denver to Portugal is approximately 4,685 miles (7,539 kilometers). This long-haul route requires at least one connection.

What is the time difference between Colorado and Portugal?

Portugal is +7 hours ahead of Colorado.

Are there direct flights from Colorado to Portugal?

No, there are no direct flights from Colorado to Portugal 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 Portugal?

United Airlines, Delta Air Lines, American Airlines, British Airways, and Lufthansa operate connecting service from Denver to Portugal. 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.