Direct (nonstop) flights from Shannon to Porto
1 airline flys nonstop from Shannon (SNN) to Porto Airport (OPO). It's 791 miles (1,273 km), about 2h 15m in the air. Operated by Ryanair.
Ryanair
Route data last updated: May 30, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Shannon to Porto with one stop · direct emits 146 kg CO₂ per passenger
Looking for the return flight?
OPO → SNN: Flights from Porto to ShannonOther direct flights from Shannon
Direct flights from Porto (OPO)
Frequently Asked Questions
How long is the direct flight from Shannon to Porto?
A nonstop flight from Shannon (SNN) to Porto (OPO) takes approximately 2 hours and 15 minutes. The distance is 791 miles (1,273 km).
Which airlines fly nonstop from Shannon to Porto?
Just Ryanair.
Is there a nonstop flight from Shannon to Porto?
Yes. 1 airline: Ryanair.
How far is Shannon from Porto?
The flight distance from Shannon to Porto is 791 miles (1,273 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Madrid.
What type of aircraft flies from Shannon to Porto?
At 2h 15m, 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 Ireland 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 Shannon to Porto?
Roughly 146 kg CO2 per passenger one-way. That's about the same as driving 730 km.
Is the return flight from Porto to Shannon 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 Shannon 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 Shannon for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.