Cheap Flights from Porto to Athens International

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Flight deals from Porto to Athens International

Looking for a cheap last-minute deal or the best return flight from Porto to Athens International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Porto to Athens International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Porto to Athens International flights are currently cheapest in October.

Direct flights from Porto to Athens International

Porto to Athens International: Alternative routes

Compare routes from Porto to Athens below. You may find an airport to fly into that's cheaper, faster, or easier than Athens International.

Porto to Athens: Flight information

The things to know before you go.
Cheapest flight foundRs17,142
Cheapest month to flyOctober
Average flight time3 hrs, 45 mins
Most popular airlineAegean Airlines
Average flights per week6

Finding cheap flights from Porto to Athens International: Frequently asked questions

The best price we found for a return flight from Porto to Athens International is Rs43,910. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 45 minutes is the average flight time from Porto to Athens International.
Aegean Airlines and Volotea fly direct from Porto to Athens International.
As of June 2025, there are 6 flights per week flying from Porto to Athens International.
The cheapest month to fly from Porto to Athens International is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Airport to Athens International Airport on Tuesday, 11 November 2025.
Yes – the average flight time is 3 hours and 45 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Athens International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Athens is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Vueling Airlines and Volotea offer the cheapest flight tickets to Athens International.

Flying from Porto Airport (OPO) to Eleftherios Venizelos International Airport (ATH): what you need to know

  • The average length of a direct flight from Porto Airport to Eleftherios Venizelos International Airport is 3 hours 45 minutes.

  • Athens is two hours ahead of Porto and follows the UTC+2 timezone.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to catch your OPO to ATH flight.

  • Flying during a peak month such as August? Public holidays and other popular seasons can mean longer queues at check-in and security. Play it safe and get there up to four hours ahead of international flights and two hours before a domestic departure.

  • Travelling to Athens (and then exploring more of Greece!) is a breeze with Aegean Airlines. This popular carrier offers direct flights from Porto Airport to Eleftherios Venizelos International Airport.

  • The airline that passengers book most often on this route is Aegean Airlines.

  • Consider adding a stopover when booking your ticket from Porto Airport to Eleftherios Venizelos International Airport. Just uncheck 'Direct flights only' to break up your trip, or visit a new city along the way. Check out these options between OPO and ATH:

    • Bordeaux Airport

    • Adolfo Suarez Madrid-Barajas Airport

    • Geneve Airport

How to find the cheapest flights from Porto Airport (OPO) to Eleftherios Venizelos International Airport (ATH)

  • Rs17,137 is currently the best price for a one-way Porto Airport to Eleftherios Venizelos International Airport flight. Return flights start from Rs43,922. These prices may change based on demand.

  • To score cheap tickets from OPO to ATH, reserve your journey one month ahead of your departure date.

  • Organise your trip for December. That's the cheapest month for flights from Porto Airport to Eleftherios Venizelos International Airport. If you're flexible with your dates, use the 'Whole month' tool to see the cheapest price across every month.

  • Stay on top of deals for cheap flights from OPO to ATH by creating a Price Alert. You'll get an email or notification on the app when a lower fare becomes available.

  • Lock in the right flight for you with the help of the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Porto Airport to Eleftherios Venizelos International Airport, use the 'Sort by' function. You can also filter by arrival and departure times, airline, and number of stops.

Handy information about Porto Airport (OPO)

  • 74.49% of flights that leave from Porto Airport touch down at their destination on schedule.

  • Central Porto to Porto Airport is approximately 16 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're driving, catching a cab or ride-sharing.

  • Taking public transport? Expect a trip time of around 50 minutes.

  • Catching an early flight from Porto Airport to Eleftherios Venizelos International Airport? Avoid the last-minute rush to the terminal (and sneak in some extra precious sleep) by choosing one of these hotels near OPO:

Arriving at Eleftherios Venizelos International Airport (ATH)

Getting from Eleftherios Venizelos International Airport (ATH) to central Athens

  • Eleftherios Venizelos International Airport is roughly 40 kilometres from central Athens. The drive time takes around 35 minutes.

  • Getting there on public transport takes about 1 hour.

When to fly to Eleftherios Venizelos International Airport (ATH)

  • The quietest month for a flight from Porto Airport to Eleftherios Venizelos International Airport is January, while July is the most popular. Choose the ideal time to go to Athens based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in Athens is July, with the temperature ranging between 22ºC and 37ºC. Lock in your flights from Porto Airport to Eleftherios Venizelos International Airport in this month if this is the kind of weather you like.

  • Look for cheap tickets from OPO to ATH in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between 4ºC and 14ºC on average.

Explore more of Greece

  • Athens has its own special appeal, but there are so many other corners of Greece just waiting to be discovered. About 306 kilometres north of Athens, a trip to Thessaloniki will keep you on the go. Start with leading attractions like Arch of Galerius, Aristotelous Square and Museum of Byzantine Culture.

  • Larisa is another favourite destination in Greece and is around 209 kilometres north-west of Athens. No journey is complete without experiencing Agioi Saranta, Saint George Orthodox Church and Second Ancient Theatre.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.