$81 Cheap Flights from Athens (ATH) to Lisbon (LIS)

Athens (ATH) to Lisbon (LIS) at a glance

Travel to Lisbon (LIS) from Athens (ATH) with a selection of airlines offering diverse options on this international short-haul route. Whether you prefer full-service carriers or budget-friendly low-cost airlines, you can compare choices to discover the itinerary that aligns with your budget, schedule, and travel plans while you explore the iconic sights and neighborhoods of Lisbon. Check out the essential information for flights from Eleftherios Venizelos Airport (ATH) to Humberto Delgado Airport (LIS).

• Fastest flight duration: around 4h 30m non-stop
• Route distance: roughly 1,800 miles (2,900 km)
• Flights per week: around 9 departures on average
• Typical fares (one-way): economy tickets often range from $100–$420, depending on seasonality and how far ahead you book

Flights from Eleftherios Venizelos Airport (ATH) to Humberto Delgado Airport (LIS)

According to recent traveler bookings, here are the top airlines for flights from Athens to Lisbon, featuring both non-stop and one-stop options. Common layover spots include Adolfo Suárez Madrid-Barajas Airport (MAD) with a layover of about 55 minutes, Barcelona International Airport (BCN) with roughly a 2-hour and 30-minute layover, and Nikola Tesla Airport (BEG) with a 2-hour layover. This allows you to customize your journey by balancing price, total travel time, and cabin class for the ideal itinerary.

• Aegean: This full-service airline provides non-stop flights, commanding around 55% of departures on this route. One-way ticket prices generally range from $105 to $600, with a total travel duration of 4 hours and 30 minutes.
• easyJet: A budget-friendly option, easyJet offers non-stop flights and holds about 13% of departures on this route. Expect one-way fares typically between $115 and $300, with the entire journey lasting approximately 4 hours and 30 minutes.
• TAP Portugal: As a full-service carrier, TAP Portugal offers both non-stop and one-stop flights, making up around 7% of departures. One-way fares range from $240 to $835, with a typical one-stop journey lasting 5 hours and 30 minutes in the air, totaling about 7 hours and 45 minutes.
• Sky Express: This full-service airline provides non-stop services and accounts for roughly 6% of departures on this route. One-way fares typically vary from $100 to $345, with a complete journey time of 4 hours and 30 minutes.
• Iberia: Offering one-stop flights, Iberia captures about 5% of departures on this route. One-way prices range from $125 to $525, featuring an in-flight duration of 5 hours and 30 minutes, with a total travel time of around 7 hours and 45 minutes, including a layover.

Travelers have the option to upgrade their flight from Athens to Lisbon, with both Aegean and TAP Portugal providing business class service for this route.

Best time to fly from Athens (ATH) to Lisbon (LIS)

The most popular months for travelers flying from Athens to Lisbon are June, July, and October, when peak temperatures in Lisbon reach up to 71.1°F in July. If you prefer quieter travel, consider December, the least busy time to visit with temperatures around 55.9°F and typically the lowest average one-way fare (around $181). Flight availability peaks in June, with approximately 12 flights per week, making it easier to find convenient departure times. January, February, March, April, and November have the fewest flights, with approximately 8 flights per week.

• Cheapest time to fly: December usually offers good deals with average one-way fare around $181, roughly 30% cheaper than the yearly average.
• Another budget-friendly time to fly: January typically offers an average one-way fare of around $200.
• Most flight options: June has the highest number of flights from Athens to Lisbon, with approximately 12 flights per week, giving you more flexibility in scheduling your trip.

*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 route from Athens (ATH) to Lisbon (LIS)

• Athens to Cascais (ATH-CAT): Located approximately 12 miles from Humberto Delgado Airport (LIS), Cascais Airport (CAT) serves as a convenient alternative.

How to find the best prices for flights from Athens (ATH) to Lisbon (LIS)

Getting some of the best deals on flights from Athens to Lisbon 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. Evening departures from 6 PM to 12 AM often offer lower prices, while Afternoon flights from 12 PM to 6 PM are the most popular. Additionally, flying on Friday generally provides cheaper options, even though Thursday is the busiest 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.* Find Lisbon hotel and flight deals.
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 Humberto Delgado Airport from Eleftherios Venizelos Airport

Lisbon 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 Lisbon efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Lisbon, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
• Car rental: Renting a car from Humberto Delgado Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Humberto Delgado 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 Humberto Delgado Airport, Lisbon Airport Station, a metro station, is located about 0.1 miles away on foot, while both Oriente Bus Station, a bus station, and Roma-Areeiro Station, a train station, are situated about 1.8 miles from the airport by car, providing convenient access to various modes of transport for travelers.

Athens to Lisbon Flights

The cheapest times to fly from Athens to Lisbon

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 Lisbon are during the month of January. You can find some of the cheapest flights from Athens to Lisbon with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Athens to Lisbon

Sunday is one of the best days to book for cheap flights from Athens to Lisbon: 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 Lisbon

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 Lisbon in 2026. You can also book with separate airlines for your outbound and return journeys, from $81 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 Lisbon 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 Lisbon 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.