$380 Cheap Flights from Denver (DEN) to Athens (ATH)

View $380 flight on Sun, Jan 10, 2027Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Athens Intl. Airport (ATH)

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Cheap Flights from Denver to Athens (DEN-ATH)

Prices were available within the past 7 days and start at $380 for one-way flights and $677 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Thu, Sep 3 - Sat, Sep 12
DEN
Denver
ATH
Athens
$677 Roundtrip, found 1 day ago
$677
Roundtrip
found 1 day ago
Select Turkish Airlines flight, departing Thu, Sep 3 from Denver to Athens, returning Sat, Sep 12, priced at $677 found 1 day ago
Scandinavian Airlines
Wed, Oct 21 - Sun, Nov 1
DEN
Denver
ATH
Athens
$724 Roundtrip, just found
$724
Roundtrip
just found
Select Scandinavian Airlines flight, departing Wed, Oct 21 from Denver to Athens, returning Sun, Nov 1, priced at $724 just found
American Airlines
Tue, Jan 5 - Tue, Jan 19
DEN
Denver
ATH
Athens
$836 Roundtrip, found 2 days ago
$836
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Jan 5 from Denver to Athens, returning Tue, Jan 19, priced at $836 found 2 days ago
British Airways
Tue, Jan 5 - Tue, Jan 19
DEN
Denver
ATH
Athens
$838 Roundtrip, found 2 days ago
$838
Roundtrip
found 2 days ago
Select British Airways flight, departing Tue, Jan 5 from Denver to Athens, returning Tue, Jan 19, priced at $838 found 2 days ago
Iberia
Mon, Nov 23 - Wed, Dec 2
DEN
Denver
ATH
Athens
$863 Roundtrip, found 1 day ago
$863
Roundtrip
found 1 day ago
Select Iberia flight, departing Mon, Nov 23 from Denver to Athens, returning Wed, Dec 2, priced at $863 found 1 day ago
Air Canada
Mon, Oct 19 - Thu, Nov 12
DEN
Denver
ATH
Athens
$884 Roundtrip, found 11 hours ago
$884
Roundtrip
found 11 hours ago
Select Air Canada flight, departing Mon, Oct 19 from Denver to Athens, returning Thu, Nov 12, priced at $884 found 11 hours ago
Lufthansa
Mon, Oct 19 - Thu, Nov 12
DEN
Denver
ATH
Athens
$888 Roundtrip, found 11 hours ago
$888
Roundtrip
found 11 hours ago
Select Lufthansa flight, departing Mon, Oct 19 from Denver to Athens, returning Thu, Nov 12, priced at $888 found 11 hours ago
Delta
Tue, Feb 16 - Tue, Feb 23
DEN
Denver
ATH
Athens
$905 Roundtrip, found 2 days ago
$905
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Feb 16 from Denver to Athens, returning Tue, Feb 23, priced at $905 found 2 days ago
Swiss International Air Lines
Wed, Feb 3 - Tue, Feb 9
DEN
Denver
ATH
Athens
$907 Roundtrip, found 10 hours ago
$907
Roundtrip
found 10 hours ago
Select Swiss International Air Lines flight, departing Wed, Feb 3 from Denver to Athens, returning Tue, Feb 9, priced at $907 found 10 hours ago
Brussels Airlines
Mon, Feb 22 - Tue, Mar 2
DEN
Denver
ATH
Athens
$931 Roundtrip, found 1 day ago
$931
Roundtrip
found 1 day ago
Select Brussels Airlines flight, departing Mon, Feb 22 from Denver to Athens, returning Tue, Mar 2, priced at $931 found 1 day ago

Alternative airports near Athens

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Eleftherios Venizelos ATH. Cheapest and Closest option available. Average driving time to city center is 28 minutes. Flights from $860
ATH
Eleftherios Venizelos
CheapestClosest
Average driving time to city center28 min
Flights from $860

Find the cheapest month to fly from Denver (DEN) to Athens (ATH)

April is typically the cheapest month to fly

From $661 - $1,248 per traveler.

Frequently asked questions

How much does a flight from Denver, CO (DEN-Denver Intl.) to Athens (ATH-Eleftherios Venizelos) cost?
You can find cheap one-way flights from $380 and cheap return flights from $677 Denver, CO (DEN-Denver Intl.) to Athens (ATH-Eleftherios Venizelos) with Expedia. One-way flights generally range between $517 and $4807, and roundtrip flights usually range from $834 to $6221. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Denver, CO (DEN-Denver Intl.) to Athens (ATH-Eleftherios Venizelos) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Denver, CO (DEN-Denver Intl.) to Athens (ATH-Eleftherios Venizelos)?
January is the cheapest month to fly from Denver (DEN) to Athens (ATH), with average return fares around $664. This price is about 36% lower than the average throughout the year, as January typically has lower travel demand after the holiday season. Other budget-friendly months include February and November.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Denver, CO (DEN-Denver Intl.) to Athens (ATH-Eleftherios Venizelos)?
Enter DEN to ATH and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Denver, CO (DEN-Denver Intl.) to Athens (ATH-Eleftherios Venizelos)?
Southwest Airlines is one of the cheapest airlines offering connecting flights from Denver Intl. (DEN) to Eleftherios Venizelos (ATH), with round-trip tickets starting from around $1,254. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Denver, CO (DEN-Denver Intl.) to Athens (ATH-Eleftherios Venizelos)?
To find a cheap flight from Denver, CO (DEN-Denver Intl.) to Athens (ATH-Eleftherios Venizelos), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Denver, CO (DEN-Denver Intl.) to Athens (ATH-Eleftherios Venizelos)?
For flights from Denver, CO (DEN) to Athens (ATH), the best times to travel are January and November. January features the lowest average price at about $664 for a return flight, while November is popular for its mild weather and vibrant local culture. Both months provide a great balance of affordability and enjoyable travel experiences.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Denver, CO (DEN-Denver Intl.) to Athens (ATH-Eleftherios Venizelos)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from DEN to ATH. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Denver, CO (DEN-Denver Intl.) to Athens (ATH-Eleftherios Venizelos)?
The most popular departure times for flights from Denver International Airport (DEN) to Eleftherios Venizelos (ATH) are in the late morning, from 9am to 12pm. About 28% of passengers prefer this time window. Many major carriers, including Air Canada, United Airlines, and Delta Air Lines, offer flights during this window. This timing works well for travelers looking to maximize their time in Denver before heading to Athens.
How long does it take to fly from Denver, CO (DEN-Denver Intl.) to Athens (ATH-Eleftherios Venizelos)?
Flights from DEN to ATH with one stop typically take around 15 hours 30 minutes, covering approximately 6,155 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Denver, CO (DEN-Denver Intl.) to Athens (ATH-Eleftherios Venizelos)?
Business class seats are offered on the DEN to ATH route. Airlines that offer business class service on this route include:

  • United Airlines
  • Lufthansa
  • British Airways
  • Delta Air Lines
  • Air Canada
  • Turkish Airlines
  • American Airlines
  • Edelweiss Air
  • Icelandair
  • Air France

First class is available with Lufthansa and United Airlines.
How do I earn miles on a Denver, CO (DEN-Denver Intl.) to Athens (ATH-Eleftherios Venizelos) flight with Expedia?
It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to Athens (ATH-Eleftherios Venizelos) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Athens from Denver Intl. (DEN)?
From Denver Intl. (DEN), you can fly into Eleftherios Venizelos (ATH) to reach Athens. Some flights may connect through major hubs like O'Hare Intl. (ORD), Washington Dulles Intl. (IAD), Pearson Intl. (YYZ) before reaching Athens. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Denver, CO (DEN-Denver Intl.) to Athens (ATH-Eleftherios Venizelos) at the last minute?
Typically, booking a last minute flight from Denver, CO (DEN-Denver Intl.) to Athens (ATH-Eleftherios Venizelos) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Denver, CO (DEN-Denver Intl.) to Athens (ATH-Eleftherios Venizelos) flight and hotel package?
Securing a Denver, CO (DEN-Denver Intl.) to Athens (ATH-Eleftherios Venizelos) Athens Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver, CO (DEN-Denver Intl.) to Athens (ATH-Eleftherios Venizelos)?
If you booked your Denver, CO (DEN-Denver Intl.) to Athens (ATH-Eleftherios Venizelos) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Denver Intl.
Destination airport
Eleftherios Venizelos
Airlines serving
Aer Lingus, Air Canada, Air Europa, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, ITA Airways, Iberia, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$677
Distance
6154 mi

Book with confidence

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 September. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $380 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.

 

Denver to Athens Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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