Direct (nonstop) flights from Porto to Athens
1 airline flys nonstop from Porto Airport (OPO) to Athens International Airport (ATH). It's 1,745 miles (2,809 km), about 3h 45m in the air. Operated by Aegean Airlines.
Aegean Airlines
Route data last updated: May 30, 2026
Airlines with non-stop flights
A3
Aegean Airlines
Alternative Routes
Other ways to fly from Porto to Athens with one stop · direct emits 295 kg CO₂ per passenger
Looking for the return flight?
ATH → OPO: Flights from Athens to PortoOther direct flights from Porto
Direct flights from Athens (ATH)
Frequently Asked Questions
How long is the direct flight from Porto to Athens?
A nonstop flight from Porto (OPO) to Athens (ATH) takes approximately 3 hours and 45 minutes. The distance is 1,745 miles (2,809 km).
Which airlines fly nonstop from Porto to Athens?
Just Aegean Airlines.
Is there a nonstop flight from Porto to Athens?
Yes. 1 airline: Aegean Airlines.
How far is Porto from Athens?
The flight distance from Porto to Athens is 1,745 miles (2,809 km), measured as the great-circle (shortest air) distance.
What is the time difference between Porto and Athens?
Athens is 2 hours ahead of Porto. (Europe/Lisbon vs Europe/Athens.)
What type of aircraft flies from Porto to Athens?
At 3h 45m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
Do I need a visa to travel from Portugal to Greece?
Depends on your passport. Check with the Greece embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Porto to Athens?
Roughly 295 kg CO2 per passenger one-way. That's about the same as driving 1,475 km.
Is the return flight from Athens to Porto also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Porto to Athens?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Porto Airport for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.