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Cheap flights from Porto (OPO) to Athens (ATH)

OPO — ATH
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheap flight deals from Porto to Athens

Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) to Athens (ATH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 14, 2025.

Popular in

August

Cheapest in

March

Average price

$276

Good round-trip deal

$182 or less

Good one-way deal

$382 or less
Highest demand for flights based on searches. 12% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Porto to Athens Eleftherios V..
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Price to beat on a one-way flight from Porto to Athens Eleftherios V..
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Best time to book a flight from Porto to Athens

Have a flexible travel schedule? Discover the best time to fly to Athens from Porto with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Porto to Athens

How far ahead should I book a flight from Porto to Athens?

Use this chart to determine the optimal time to book a round-trip flight from Porto to Athens. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from Porto to Athens, you should look to book at least 74 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Porto to Athens?

Currently, November is the cheapest month in which you can book a flight from Porto to Athens (average of $679). Flying from Porto to Athens in June is currently the most expensive (average of $1,284). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from OPO to ATH?

Find hourly flight availability from Porto to Athens. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 14, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 1% on flights from Porto to Athens by exploring options for tickets at noon.

Reviews of airlines servicing Athens

Get insights into the airlines that provide service to Athens. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Athens. Reviews last updated September 14, 2025.
Get a feel of what it's like to fly with Aegean Airlines and Lufthansa from Porto to Athens by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.1
Very good
787 reviews

Crew

8.6

Food

7.4

Entertainment

7.0

Overall

8.1

Comfort

7.9

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Aegean Airlines
8.1
Very good
787 reviews
Aegean Airlines
8.1
Very good
787 reviews

Crew

8.6

Food

7.4

Entertainment

7.0

Overall

8.1

Comfort

7.9

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Lufthansa
6.8
Okay
7,409 reviews
Aegean Airlines
8.1
Very good
787 reviews

Crew

8.6

Food

7.4

Entertainment

7.0

Overall

8.1

Comfort

7.9

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Related info for your journey

Find useful and relevant information for your journey from Porto to Athens. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Porto to Athens flight route?

    Within the past month, 1 users have taken a look at flights from Porto to Athens Eleftherios V..

  • What are the cheapest airlines flying from Porto to Athens round-trip?

    Flying on Aegean Airlines is currently your cheapest option to Athens, with prices starting at $134. Another option worth looking into is Lufthansa, starting at $227 round trip. These flights start at 54% lower than the current average price 3 months from now.

  • Can I find deals for flights from Porto to Athens that include hotel bookings?

    Yes. In addition to deals on Porto to Athens flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Porto to Athens?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Porto to Athens.

  • Can I find deals for business class flights from Porto to Athens?

    Yes. Cheapflights offers flight deals from Porto to Athens by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Porto to Athens?

    Currently, November is the cheapest month in which you can book a flight from Porto to Athens (average of $679). Flying from Porto to Athens in June is currently the most expensive (average of $1,284). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Athens?

Book flights to Athens if you plan to visit one of these locations
Glyfada
Piraeus
Tolo
Galaxidi

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Porto to Athens

See prices for flight routes from nearby airports that may be better suited for you.
Lisbon to Athens flights

Top 2 airlines flying from Porto to Athens

Discover the top 2 airlines that operate flights from Porto to Athens. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aegean AirlinesCheapest$134Average$272FlexibilityNo cancel feeOn-time87%
LufthansaCheapest$227Average$572FlexibilityNo cancel feeOn-time76%

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