$687 Cheap Flights from Athens (ATH) to Denver (DEN)
Popular airlines from Athens Intl. Airport (ATH) to Denver Intl. Airport (DEN)
British AirwaysBritish Airways
Air CanadaAir Canada
IberiaIberia
LufthansaLufthansa
Brussels AirlinesBrussels Airlines
Turkish AirlinesTurkish Airlines
Swiss International Air LinesSwiss International Air Lines
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Cheap Flights from Athens to Denver (ATH-DEN)
Alternative airports near Denver
Prices were available within the past 7 days. Prices and availability are subject to change.
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Athens (ATH) to Denver (DEN) at a glance
Explore a range of airlines offering services from Athens (ATH) to Denver (DEN) on this international long-haul journey. Compare various options from full-service carriers to discover the itinerary that aligns perfectly with your budget, schedule, and travel plans as you prepare to experience Denver's iconic attractions and neighborhoods. Check out the essential details for flights departing from Eleftherios Venizelos Airport (ATH) to Denver International Airport (DEN).
- Fastest flight duration: around 14h 15m in-flight, plus roughly 2h 15m layover with one stop
- Route distance: roughly 6,200 miles (9,980 km)
- Flights per week: around 9 departures on average
- Typical fares (one-way): economy tickets often range from $630–$1505, depending on seasonality and how far ahead you book
Flights from Eleftherios Venizelos Airport (ATH) to Denver International Airport (DEN)
Looking for the best airlines to travel from Athens to Denver? Based on recent traveler bookings, the most popular choices often feature one-stop service with convenient layovers. Common stopover points include Istanbul Airport (IST) with a layover of about 2 hours and 15 minutes, Heathrow Airport (LHR) at around 3 hours and 30 minutes, and O'Hare International Airport (ORD) with a 5-hour and 15-minute layover. These options allow you to balance price, total travel time, and cabin class for your ideal itinerary.
- Turkish Airlines: This full-service airline provides one-stop flights, with one-way ticket prices generally falling between $645 and $1880. It represents around 36% of departures on this route. Expect an in-flight duration of 14 hours and 15 minutes, and a total travel time of approximately 16 hours and 45 minutes, including the layover.
- American Airlines: Another full-service option, American Airlines offers one-stop service with one-way ticket costs typically ranging from $675 to $1470. It accounts for about 33% of departures on this route. In-flight time is approximately 14 hours and 15 minutes, culminating in a total journey duration of around 16 hours and 45 minutes, including layover time.
- British Airways: This full-service carrier also provides one-stop flights, with one-way fares usually between $695 and $1730. It covers roughly 13% of departures for this route. Travelers can expect an in-flight time of about 14 hours and 15 minutes, leading to a total travel time of around 16 hours and 45 minutes, factoring in the layover.
- Finnair: Offering one-stop service, this full-service airline features one-way prices that generally range from $765 to $1015. It comprises approximately 3% of the route's departures. The in-flight duration is around 14 hours and 15 minutes, while the overall journey time is roughly 16 hours and 45 minutes, including layover time.
- Delta: As a full-service carrier providing one-stop service, Delta's one-way fares typically range from $1420 to $1595. It makes up about 3% of departures on this route. Expect around 14 hours and 15 minutes of flying time, with total travel taking approximately 16 hours and 45 minutes, including any layovers.
Travelers flying from Athens to Denver can elevate their experience by upgrading to business class with Turkish Airlines, which provides premium service on this route.
Alternative routes from Athens (ATH) to Denver (DEN)
- Athens to Denver (ATH-APA): Centennial Airport (APA) is located approximately 21 miles from Denver International Airport (DEN).
- Athens to Boulder (ATH-WBU): Boulder Municipal Airport (WBU) sits about 32 miles from Denver International Airport (DEN).
- Athens to Colorado Springs (ATH-COS): Colorado Springs Airport (COS) is roughly 73 miles from Denver International Airport (DEN).
How to find the best prices for flights from Athens (ATH) to Denver (DEN)
Getting some of the best deals on flights from Athens to Denver is all about timing and flexibility. Here are some key tips to help you save:
- Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, although most travelers tend to book at least 2 months ahead. Evening departures between 6 PM and 12 AM often offer lower prices, while morning flights from 5 AM to 12 PM are the most popular. Additionally, flying on Tuesday typically yields cheaper prices, even though Sunday is the busiest travel day.
- Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
- Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
- 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.
- Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
- 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 Denver International Airport from Eleftherios Venizelos Airport
Denver welcomes travelers from Athens with a range of transport options based on price, convenience, and proximity. For departures, Eleftherios Venizelos Airport is roughly a 30-minute drive (covering about 22 miles) from central Athens. Here's how to reach Denver efficiently:
- Hotel transfer: Transfers offer a convenient way to reach your hotel in Denver, with private rides that can be arranged in advance.
- Car rental: Renting a car from Denver International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Denver International 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 Denver International Airport, Jeppesen Terminal Station, a metro station, is conveniently located just 0.1 miles away on foot, providing easy access for travelers heading into the city.
Athens to Denver Flights
The cheapest times to fly from Athens to Denver
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 Athens to Denver are during the month of February. You can find some of the cheapest flights from Athens to Denver with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Athens to Denver
Sunday is one of the best days to book for cheap flights from Athens to Denver: 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 Athens to Denver
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 Athens to Denver in 2026. You can also book with separate airlines for your outbound and return journeys, from $687 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 Athens to Denver 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 Athens to Denver 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
How much does a flight from Athens (ATH-Eleftherios Venizelos) to Denver, CO (DEN-Denver Intl.) cost?
You can find cheap one-way flights from $687 and cheap return flights $1,031 Athens (ATH-Eleftherios Venizelos) to Denver, CO (DEN-Denver Intl.) with Expedia. One-way flights usually range from $790 to $4008, and return flights typically cost between $1090 and $6313. 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 Athens (ATH-Eleftherios Venizelos) to Denver, CO (DEN-Denver Intl.) 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 Athens (ATH-Eleftherios Venizelos) to Denver, CO (DEN-Denver Intl.)?
The cheapest month to fly from ATH to DEN is February when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Athens (ATH-Eleftherios Venizelos) to Denver, CO (DEN-Denver Intl.)?
Enter ATH to DEN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Athens (ATH-Eleftherios Venizelos) to Denver, CO (DEN-Denver Intl.)?
KLM is one of the cheapest airlines offering connecting flights from Eleftherios Venizelos (ATH) to Denver Intl. (DEN), with round-trip tickets starting from around $1,118 with a layover in Schiphol (AMS). 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 Athens (ATH-Eleftherios Venizelos) to Denver, CO (DEN-Denver Intl.)?
To find a cheap flight from Athens (ATH-Eleftherios Venizelos) to Denver, CO (DEN-Denver Intl.), 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 Athens (ATH-Eleftherios Venizelos) to Denver, CO (DEN-Denver Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Athens (ATH-Eleftherios Venizelos) to Denver, CO (DEN-Denver Intl.)?
The earliest flight from Athens (ATH-Eleftherios Venizelos) to Denver (DEN-Denver Intl.) typically leaves at around 12:50 AM, operated by Aegean and Turkish Airlines. This is a seasonal service active in June, and an early departure can help you maximize your time in Denver. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Athens (ATH-Eleftherios Venizelos) to Denver, CO (DEN-Denver Intl.)?
The most popular departure times for flights from Athens (ATH) to Denver (DEN) are in the early morning, from 6am to 9am. About 57% of passengers prefer this time window. Many major carriers, including Lufthansa and British Airways, operate flights during this period. This timing works well because it allows you to arrive in Denver with plenty of time to explore the city.
How long does it take to fly from Athens (ATH-Eleftherios Venizelos) to Denver, CO (DEN-Denver Intl.)?
Flights from ATH to DEN with one stop typically take around 16 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 Athens (ATH-Eleftherios Venizelos) to Denver, CO (DEN-Denver Intl.)?
Business class seats are offered on the ATH to DEN route. Airlines that offer business class service on this route include:
- Lufthansa
- ITA Airways
- United Airlines
- SAS
- Aegean
- British Airways
- Air Canada
- Turkish Airlines
- Delta Air Lines
- Swiss International Air Lines
How do I earn miles on a Athens (ATH-Eleftherios Venizelos) to Denver, CO (DEN-Denver Intl.) flight with Expedia?
It's easy to earn miles on a Athens (ATH-Eleftherios Venizelos) to Denver, CO (DEN-Denver Intl.) 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 Denver from Eleftherios Venizelos (ATH)?
From Eleftherios Venizelos (ATH), you can fly into Denver Intl. (DEN) to reach Denver. Some flights may connect through major hubs like Heathrow (LHR), Franz Josef Strauss Intl. (MUC), ZRH (ZRH) before reaching Denver. 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 Athens (ATH-Eleftherios Venizelos) to Denver, CO (DEN-Denver Intl.) at the last minute?
Typically, booking a last minute flight from Athens (ATH-Eleftherios Venizelos) to Denver, CO (DEN-Denver Intl.) 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 Athens (ATH-Eleftherios Venizelos) to Denver, CO (DEN-Denver Intl.) flight and hotel package?
Securing a Athens (ATH-Eleftherios Venizelos) to Denver, CO (DEN-Denver Intl.) Denver 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 Athens (ATH-Eleftherios Venizelos) to Denver, CO (DEN-Denver Intl.)?
If you booked your Athens (ATH-Eleftherios Venizelos) to Denver, CO (DEN-Denver Intl.) 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 | Athens Intl. Airport |
|---|---|
Destination airport | Denver Intl. Airport |
Distance | 6,154 miles away |
Airlines serving | British Airways, Air Canada, Iberia, Lufthansa, Brussels Airlines, Turkish Airlines, Swiss International Air Lines, Austrian Airlines, SAS, ITA Airways, American Airlines, Delta, KLM, United, Virgin Atlantic, Air France, Finnair, Condor, Air Europa, Aer Lingus |
Popular airline | British Airways |
Roundtrip price | $1,031 |