Cheap flights from Porto (OPO) to Athens (ATH)
Find cheap flights from Porto to Athens with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 November 3, 2025.
Most accurate provider | Mytrip 3 stars |
|---|---|
Most trusted provider | Mytrip 3 stars |
Popular in | August |
Cheapest in | March |
Average price | $262 |
Good one-way deal | $152 or less |
Compare providers for flights from Porto to Athens
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Porto to Athens in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Porto-Athens flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Porto-Athens flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Porto-Athens flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Porto-Athens flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Porto-Athens flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
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?
To ensure you get the cheapest price possible for a flight from Porto to Athens, you should look to book at least 49 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, January is the cheapest month in which you can book a flight from Porto to Athens (average of $123). Flying from Porto to Athens in April is currently the most expensive (average of $198). 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?
Unlike in the afternoon, when flights are generally more expensive, you can save up to 49% on flights from Porto to Athens by exploring options for tickets in the evening.
How often are flights from Porto to Athens delayed?
About 10% of weekly flights between Porto and Athens have experienced delays in the past year, with the average delay time being 112 minutes.
What is the most punctual flight time for Porto to Athens flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Thursday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Porto to Athens flights?
Over the last year, Aegean Airlines have had the lowest number of delays on this route, with just 8% of flights being delayed.
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 November 3, 2025.
Get a feel of what it's like to fly with Aegean Airlines 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.
Food
Overall
Entertainment
Crew
Boarding
Comfort
Reviews
Anonymous,Nov 2024
SKG - FRA
Food
Overall
Entertainment
Crew
Boarding
Comfort
Reviews
Anonymous,Nov 2024
SKG - FRA
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.
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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.
Top airline flying from Porto to Athens
Discover the top airline 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 November 3, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$134 | Average$250 | FlexibilityNo cancel fee | On-time87% |