The Parthenon on the Acropolis of Athens, surrounded by dense olive trees and rocky terrain.

$369 Cheap Flights from Denver (DEN) to Athens (ATH)

View $369 flight on Tue, Mar 23, 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 $369 for one-way flights and $677 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, Nov 18 - Thu, Dec 3
DEN
Denver
ATH
Athens
$677 Roundtrip, found 1 day ago
$677
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Nov 18 from Denver to Athens, returning Thu, Dec 3, priced at $677 found 1 day ago
American Airlines
Mon, Oct 12 - Tue, Oct 20
DEN
Denver
ATH
Athens
$678 Roundtrip, found 1 day ago
$678
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Oct 12 from Denver to Athens, returning Tue, Oct 20, priced at $678 found 1 day ago
United
Wed, Nov 18 - Thu, Dec 3
DEN
Denver
ATH
Athens
$678 Roundtrip, found 1 day ago
$678
Roundtrip
found 1 day ago
Select United flight, departing Wed, Nov 18 from Denver to Athens, returning Thu, Dec 3, priced at $678 found 1 day ago
British Airways
Tue, Mar 16 - Tue, Mar 30
DEN
Denver
ATH
Athens
$683 Roundtrip, found 5 hours ago
$683
Roundtrip
found 5 hours ago
Select British Airways flight, departing Tue, Mar 16 from Denver to Athens, returning Tue, Mar 30, priced at $683 found 5 hours ago
Iberia
Wed, Oct 14 - Wed, Oct 21
DEN
Denver
ATH
Athens
$685 Roundtrip, found 1 day ago
$685
Roundtrip
found 1 day ago
Select Iberia flight, departing Wed, Oct 14 from Denver to Athens, returning Wed, Oct 21, priced at $685 found 1 day ago
Virgin Atlantic
Tue, Oct 13 - Thu, Oct 22
DEN
Denver
ATH
Athens
$685 Roundtrip, found 5 hours ago
$685
Roundtrip
found 5 hours ago
Select Virgin Atlantic flight, departing Tue, Oct 13 from Denver to Athens, returning Thu, Oct 22, priced at $685 found 5 hours ago
Delta
Tue, Oct 13 - Thu, Oct 22
DEN
Denver
ATH
Athens
$685 Roundtrip, found 5 hours ago
$685
Roundtrip
found 5 hours ago
Select Delta flight, departing Tue, Oct 13 from Denver to Athens, returning Thu, Oct 22, priced at $685 found 5 hours ago
Air Canada
Mon, Apr 5 - Thu, Apr 22
DEN
Denver
ATH
Athens
$705 Roundtrip, found 6 hours ago
$705
Roundtrip
found 6 hours ago
Select Air Canada flight, departing Mon, Apr 5 from Denver to Athens, returning Thu, Apr 22, priced at $705 found 6 hours ago
Lufthansa
Sun, May 9 - Wed, May 19
DEN
Denver
ATH
Athens
$719 Roundtrip, just found
$719
Roundtrip
just found
Select Lufthansa flight, departing Sun, May 9 from Denver to Athens, returning Wed, May 19, priced at $719 just found
KLM
Tue, Oct 13 - Thu, Oct 22
DEN
Denver
ATH
Athens
$741 Roundtrip, found 5 hours ago
$741
Roundtrip
found 5 hours ago
Select KLM flight, departing Tue, Oct 13 from Denver to Athens, returning Thu, Oct 22, priced at $741 found 5 hours 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 $683
ATH
Eleftherios Venizelos
CheapestClosest
Average driving time to city center28 min
Flights from $683

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

November is typically the cheapest month to fly

From $813 - $969 per traveler.

What you need to know for your flight from Denver Intl. to Eleftherios Venizelos

Denver (DEN) to Athens (ATH) at a glance

Explore a range of airlines providing flights from Denver (DEN) to Athens (ATH) on this long-haul journey. Compare various options from full-service carriers to find the itinerary that aligns with your budget and schedule as you prepare to discover the iconic sights and neighborhoods of Athens. Here, you'll find essential details for your trip, including flights from Denver International Airport (DEN) to Eleftherios Venizelos Airport (ATH).

  • Fastest flight duration: around 13 hours in-flight, plus roughly 2h 15m layover with one stop
  • Route distance: roughly 6,200 miles (9,980 km)
  • Flights per week: around 11 departures on average
  • Typical fares (one-way): economy tickets often range from $295–$970, depending on seasonality and how far ahead you book

Flights from Denver International Airport (DEN) to Eleftherios Venizelos Airport (ATH)

Based on the latest traveler bookings, here are the top airlines favored for flights from Denver to Athens, particularly for one-stop and multi-stop journeys. Common layover points include Istanbul Airport (IST, approximately 2h 15m), Franz Josef Strauss International Airport (MUC, around 2 hours), and Pierre Elliott Trudeau International Airport (YUL, about 2h 30m). These options allow you to customize your travel experience by balancing price, total travel time, and cabin class to discover the ideal itinerary.

  • United: Serving as a full-service airline, United provides both one-stop and multi-stop options, with one-way ticket prices generally between $295 and $1245. This carrier represents around 36% of departures on this route, featuring a standard in-flight duration of 13 hours and a total travel time of approximately 15 hours and 30 minutes.
  • Turkish Airlines: As a full-service airline, Turkish Airlines offers one-stop flights, with one-way fares typically ranging from $310 to $1500. It accounts for about 21% of departures along this route, featuring an in-flight time of 13 hours and a total journey time of roughly 15 hours and 30 minutes, including layover duration.
  • Air Canada: This full-service carrier provides one-stop services with one-way fares typically priced between $300 and $985. Air Canada represents approximately 15% of departures on this route, boasting an in-flight duration of 13 hours and a total travel time of around 15 hours and 30 minutes, including layovers.
  • Lufthansa: A full-service airline, Lufthansa offers one-stop services with one-way fares generally ranging from $355 to $1100. It makes up about 7% of departures on this route, featuring an in-flight time of 13 hours and a total journey duration of approximately 15 hours and 30 minutes, factoring in layovers.
  • Virgin Atlantic: As a full-service airline, Virgin Atlantic provides one-stop options with one-way fares typically between $295 and $1005. This carrier accounts for roughly 5% of departures on this route, offering an in-flight time of 13 hours and a total journey time of around 15 hours and 30 minutes, including layover time.

Travelers flying from Denver to Athens can enhance their journey by upgrading to business class, available through both United and Turkish Airlines for this route.

Best time to fly from Denver (DEN) to Athens (ATH)

The most popular months for travelers flying from Denver to Athens are March, May, and September, when peak temperatures in Athens reach up to 75.6°F in September. If you prefer quieter travel, consider November, the least busy time to visit with temperatures around 59.7°F and typically the lowest average one-way fare (around $375). Flight availability peaks in September, with approximately 16 flights per week, making it easier to find convenient departure times. February has the fewest flights, with approximately 7 flights per week.

  • Cheapest time to fly: November usually offers good deals with average one-way fare around $375, roughly 35% cheaper than the yearly average.
  • Most flight options: September has the highest number of flights from Denver to Athens, with approximately 16 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January49.1°F (9.5°C)Average9$457
February50.7°F (10.4°C)Low7$434
March54.0°F (12.2°C)High9$463
April60.3°F (15.7°C)Average8$471
May69.3°F (20.7°C)High12$751
June77.4°F (25.2°C)Average12$1047
July82.8°F (28.2°C)Average14$661
August82.2°F (27.9°C)Average11$555
September75.6°F (24.2°C)High16$570
October66.7°F (19.3°C)Average14$630
November59.7°F (15.4°C)Low12$375
December52.7°F (11.5°C)Low9$605

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Denver (DEN) to Athens (ATH)

  • Colorado Springs to Athens (COS-ATH): Colorado Springs Airport (COS) lies approximately 73 miles from Denver International Airport (DEN).
  • Denver to Skiathos (DEN-JSI): Skiathos Island National Airport (JSI) is located about 89 miles from Eleftherios Venizelos Airport (ATH).
  • Denver to Milos (DEN-MLO): Milos Island National Airport (MLO) is roughly 90 miles away from Eleftherios Venizelos Airport (ATH).

How to find the best prices for flights from Denver (DEN) to Athens (ATH)

Getting some of the best deals on flights from Denver to Athens is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking 2-8 weeks in advance, although most travelers tend to book at least 2 months ahead. Morning departures between 5am and 12pm generally offer lower prices and are the most sought-after flight times. Additionally, flying on Monday often provides cheaper rates, while Thursday remains the most popular travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Eleftherios Venizelos Airport from Denver International Airport

Athens welcomes travelers from Denver with a range of transport options based on price, convenience, and proximity. Athens city center is approximately a 30-minute drive (covering about 22 miles) from Eleftherios Venizelos Airport, depending on traffic. Here's how to reach Athens efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Athens, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Eleftherios Venizelos Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Eleftherios Venizelos Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Eleftherios Venizelos Airport, Athens International Airport Station (a metro station) is located about 0.1 miles away on foot, while Gythion Seaport (a seaport) is situated approximately 0.3 miles away on foot, making both easily accessible for travelers.

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 $369 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, Alaska Airlines, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, ITA Airways, Iberia, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$676
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 November. 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 $369 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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