Direct (nonstop) flights from Athens to Porto
1 airline flys nonstop from Athens International Airport (ATH) to Porto Airport (OPO). It's 1,745 miles (2,809 km), about 4h 10m in the air. Operated by Aegean Airlines.
Aegean Airlines
Route data last updated: May 27, 2026
Airlines with non-stop flights
A3
Aegean Airlines
Alternative Routes
Other ways to fly from Athens to Porto with one stop · direct emits 295 kg CO₂ per passenger
Looking for the return flight?
OPO → ATH: Flights from Porto to AthensOther direct flights from Athens
Direct flights from Porto (OPO)
Frequently Asked Questions
How long is the direct flight from Athens to Porto?
A nonstop flight from Athens (ATH) to Porto (OPO) takes approximately 4 hours and 10 minutes. The distance is 1,745 miles (2,809 km).
Which airlines fly nonstop from Athens to Porto?
Just Aegean Airlines.
Is there a nonstop flight from Athens to Porto?
Yes. 1 airline: Aegean Airlines.
How far is Athens from Porto?
The flight distance from Athens to Porto is 1,745 miles (2,809 km), measured as the great-circle (shortest air) distance.
What is the time difference between Athens and Porto?
Porto is 2 hours behind Athens. (Europe/Athens vs Europe/Lisbon.)
What type of aircraft flies from Athens to Porto?
At 4h 10m, 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 Greece to Portugal?
Depends on your passport. Check with the Portugal embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Athens to Porto?
Roughly 295 kg CO2 per passenger one-way. That's about the same as driving 1,475 km.
Is the return flight from Porto to Athens 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 Athens to Porto?
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 Athens International Airport for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.