$442 Cheap Flights from Denver (DEN) to Athens (ATH)

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Find available prices by choosing your travel dates.

Cheap Flights from Denver to Athens (DEN-ATH)

Prices were available within the past 7 days and start at $442 for one-way flights and $630 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Virgin Atlantic
American Airlines
Delta
British Airways
Air Canada
Lufthansa
Turkish Airlines
KLM
Swiss International Air Lines
Flights from Denver (DEN) to Athens (ATH)
Origin airport
Denver Intl.
Destination airport
Eleftherios Venizelos
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, ITA Airways, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$629
Distance
6154 mi

Denver to Athens Flights

The cheapest times to fly from Denver to Athens

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Denver to Athens are during the month of October. You can find some of the cheapest flights from Denver to Athens with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Denver to Athens

Sunday is one of the best days to book for cheap flights from Denver to Athens: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Denver to Athens

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Denver to Athens in 2025. You can also book with separate airlines for your outbound and return journeys, from $442 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Denver to Athens flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Denver to Athens airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to AIA Airport last minute?
Booking your journey from DEN to AIA Airport at the last minute could save you a pretty penny if you get lucky and find a real bargain. However, fares generally don’t get cheaper as the departure date nears. If you hold off, flights could also be booked solid or the best seats taken (we hope you like the middle seat!). If you don’t want to hedge your bets, book well in advance of the date you want to leave. Don’t forget that some of the biggest bargains can be found up to a year in advance. If your preferred carrier hasn’t released tickets yet, check back regularly as deals are updated on Expedia constantly.
What airports do you fly into for Athens from Denver?
Take off from Denver to Athens and you’ll touch down at Eleftherios Venizelos Airport (ATH). The terminal is roughly 12 mi east of the center of Athens. Kick off your city getaway by heading to Votsalakia Beach and Marina Zeas, just two of Athens’s well-known attractions.
Can I change the date of my flight from Denver Intl. Airport (DEN) to Eleftherios Venizelos Airport (ATH)?
It’s easy to make amendments to your Denver Intl. Airport (DEN) to Athens International Airport journey yourself. Simply log in to the Expedia Trips portal and click on “change flight.” Look around for new flights and choose the one that better suits your plans. You’ll see an estimate of flight change fees that may apply. You can also use our Customer Service portal to chat to our Virtual Agent and quickly get answers to all your questions.

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