Cheap Flights from Porto to Athens

Cheapest flights from Porto to Athens

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Porto to Athens. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$89

Ryanair

1 layover

5h 50m

09/25/2026

The cheapest one-way flight from Porto to Athens departs on 09/25/2026, is operated by Ryanair and costs $89

Cheapest round trip flight

$136

Ryanair

1 layover

1d 17h 25m

10/10/2026

The cheapest roundtrip flight from Porto to Athens departs on 10/10/2026, is operated by Ryanair and costs $136

The fastest flight

5h 50m

Fastest flight from Porto to Athens takes 5h 50m

Direct flights

Several times a week

There are direct flights on this route 3 days a week: Tu, Th, and Sa

Average flight duration

5h 23m

Distance

2797km

Timezone difference

2h

The distance between Porto and Athens is 2797km (1734 miles). The average flight duration is 5h 23m. The time difference between Porto and Athens is 2h

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Porto to Athens by month

The minimum one-way ticket price from Porto to Athens is $90 (September 2026), while the maximum is $152 (August 2026). On average, a ticket costs $116–$259.

September 2026

Lowest price

on average:

$90

August 2026

Highest price

on average:

$152

Avg Price

Price dynamics

Ticket prices for Porto — Athens are higher at the start and end of the period but lowest in the middle. This creates a convenient window for booking at a reduced price.

Cheaper and more expensive periods

Prices fall from August 2026 to September 2026 (41%), then rise from July 2026 to August 2026 (+41%). The best period is August 2026–September 2026 ($121), the most expensive is July 2026–August 2026 ($130).

Best time to buy

The best time to buy is August 2026–September 2026, when prices are at their lowest. This can save you up to 7% compared to the expensive months (July 2026–August 2026).

Price predictability

Monthly price variation is 22.5%. On this route, your departure date noticeably affects the cost, and choosing wisely can lead to real savings.

Airlines operating on route

The Porto — Athens route is served by a wide range of airlines: 6 in total, including Aegean Airlines, Ryanair, LC Busre SAC, Vueling, Air Serbia, and TAP Portugal. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $89. Our service helps compare all available offers within seconds and choose the most convenient option. You can filter flights by price, departure time, or baggage rules to make your trip as comfortable as possible. With so many airlines, there’s always a chance to catch special promotions and save.

starting at $172

starting at $89

starting at $94

starting at $97

starting at $116

starting at $119

Non-stop flights from Porto to Athens

A non-stop flight is the most convenient and comfortable way to fly from Porto to Athens, despite the fact that sometimes flights with transfers can cost significantly less.

Porto — Athens

OPO — ATH

07/18/2026

Departure

Direct flight

A3725

starting at $442

Porto — Athens

OPO — ATH

08/15/2026

Departure

Direct flight

A3725

starting at $638

Porto — Athens

OPO — ATH

09/05/2026

Departure

Direct flight

A3725

starting at $259

Porto — Athens

OPO — ATH

09/08/2026

Departure

Direct flight

A3725

starting at $254

Porto — Athens

OPO — ATH

09/10/2026

Departure

Direct flight

A3725

starting at $260

Porto — Athens

OPO — ATH

08/08/2026

Departure

Direct flight

A3725

starting at $399

Porto — Athens

OPO — ATH

10/01/2026

Departure

Direct flight

A3725

starting at $172

Porto — Athens

OPO — ATH

08/04/2026

Departure

Direct flight

A3725

starting at $326

Schedule of direct flights from Porto to Athens

The only airline operating direct flights from Porto to Athens is Aegean Airlines. Flights operate on Sunday, Wednesday, and Thursday.

Aegean Airlines

Su, We, and Th

starting at $197

Porto airports overview

Porto Airport

•

OPO

11km

•

Athens airports overview

Eleftherios Venizelos International Airport

•

ATH

•

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

What is the cheapest price for flights from Porto to Athens?

The cheapest flight ticket from Porto to Athens according to data for the last 48 hours costs $89

When is the best time to buy air tickets on the route Porto — Athens?

Often the best time to buy tickets from Porto to Athens is 2 months before departure.

When is the cheapest time of year to fly from Porto to Athens?

Based on statistics over the past years, the lowest prices for flights from Porto to Athens can be found flying in these months: September, July, August.

How long does it take to fly from Porto to Athens?

The fastest flights from Porto to Athens start from 5 hours 50 minutes in the air.

Which airline can fly direct from Porto to Athens?

The following airlines operate direct flights on the route Porto — Athens: Aegean Airlines

Special offers and sales on air tickets from Porto to Athens

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

We couldn't find any special offers for flights from Porto to Athens

Alternative routes

Badajoz ➜ Athens•Lisbon ➜ Athens•Burgos ➜ Athens•Vigo ➜ Athens•Valladolid ➜ Athens•Porto ➜ Istanbul•Porto ➜ Izmir•Porto ➜ Plovdiv•Porto ➜ Thessaloniki•Porto ➜ Skopje•Porto ➜ Sofia•Porto ➜ Tekirdag•Porto ➜ Tirana

•••••••••••••••••••

Cheapest one way flight

$89

Ryanair

1 layover

5h 50m

09/25/2026

The cheapest one-way flight from Porto to Athens departs on 09/25/2026, is operated by Ryanair and costs $89

Cheapest round trip flight

$136

Ryanair

1 layover

1d 17h 25m

10/10/2026

The cheapest roundtrip flight from Porto to Athens departs on 10/10/2026, is operated by Ryanair and costs $136

The fastest flight