EUR/IE
Find cheap flights to Porto in 2026/2027 from €49 This is the cheapest return flight found to Porto from Ireland on FlightsFinder on September 17th 2026 at 20:49. This offer may no longer be available. Click the offer to check live prices & dates of travel.
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Our Flight Finder compares the cheapest flights to Porto from the most established flight comparison sites.
Fly to Porto and visit sites like Luís I Bridge, Livraria Lello, Clérigos Church & Bolsa Palace.
1. Enter your search requirements for Porto
2. Compare the best Porto deals from top comparison engines
3. Book your Porto flight at the cheapest price
These economy flights were found on FlightsFinder from Ireland to Porto in the last few days. Prices subject to availability.
These economy flights were found on FlightsFinder from Ireland to Porto in the last few days. Prices subject to availability.
According to our data, November is on average the cheapest time to book flights to Porto.
You can get flights from €49 return.
According to our data, July is on average the most expensive time to book flights to Porto.
A return flight could set you back more than €160.
Nestled along the captivating Douro River, Porto is a city that effortlessly blends old-world charm with a vibrant, modern energy. Known for its rich history, stunning architecture, and delectable port wine, Porto offers visitors a sensory feast for the soul. From the iconic Dom Luís I Bridge connecting the bustling Ribeira district to the colorful façades of traditional houses lining the hilly streets, every corner of Porto tells a story waiting to be unravelled. Whether wandering through the narrow alleyways of the UNESCO-listed historic center or soaking in panoramic views from the riverside, Porto invites explorers to experience its unique character and warm hospitality.
A good price for a flight to Porto is €44 - €54.
Popular airports near Porto include Francisco Sá Carneiro Airport in Porto itself, as well as Lisbon Portela Airport and Santiago de Compostela Airport in Spain, all of which are commonly used by travelers visiting the region.
The flight to Porto (OPO) is roughly 2 hours 23 minutes and 849 miles (1,366 kilometres) from Dublin, Ireland - Dublin International Airport (DUB).
The best way is to compare flights to Porto from leading comparison sites using our search engine dashboard.
Yes, there are direct flights to Porto.
Here is the average weather forecast in Porto by month:
• Jan: 14°C
• Feb: 15°C
• Mar: 17°C
• Apr: 18°C
• May: 20°C
• Jun: 24°C
• Jul: 25°C
• Aug: 26°C
• Sep: 24°C
• Oct: 21°C
• Nov: 17°C
• Dec: 14°C
The main airport in Porto, Francisco Sá Carneiro Airport, is located approximately 11 kilometers (7 miles) from the city center.
Typically, flights are cheapest to Porto 2 months before departure.
Studies show flights to Porto are typically cheaper on Tuesdays and Wednesdays.
22.7 °C
Fri, 18 Sep 2026
Average Temperature
14°C
Jan
15°C
Feb
17°C
Mar
18°C
Apr
20°C
May
24°C
Jun
25°C
Jul
26°C
Aug
24°C
Sep
21°C
Oct
17°C
Nov
14°C
Dec
Dublin, Ireland - Dublin International Airport (DUB) to Porto (OPO)
Distance:
849 miles (1,366 kilometres)
Average flight time (direct 2 hours 23 minutes)
Shannon, Ireland - Shannon International Airport (SNN) to Porto (OPO)
Distance:
791 miles (1,274 kilometres)
Average flight time (direct 2 hours 15 minutes)
Knock, Ireland - Ireland West Airport (NOC) to Porto (OPO)
Distance:
875 miles (1,408 kilometres)
Average flight time (direct 2 hours 26 minutes)
Cork, Ireland - Cork International Airport (ORK) to Porto (OPO)
Distance:
732 miles (1,178 kilometres)
Average flight time (direct 2 hours 7 minutes)
Kerry, Ireland - Kerry Airport (KIR) to Porto (OPO)
Distance:
756 miles (1,217 kilometres)
Average flight time (direct 2 hours 10 minutes)
Donegal, Ireland - Donegal Airport (CFN) to Porto (OPO)
Distance:
953 miles (1,534 kilometres)
Average flight time (direct 2 hours 37 minutes)
Waterford, Ireland - Waterford Airport (WAT) to Porto (OPO)
Distance:
760 miles (1,222 kilometres)
Average flight time (direct 2 hours 11 minutes)
From Dublin (DUB), Ireland to Porto, Portugal (OPO): €49
Depart: 03 Nov 2026 · Return: 20 Nov 2026 Price found 17 Sep 2026, 20:49
From Shannon (SNN), Ireland to Porto, Portugal (OPO): €50
Depart: 04 Oct 2026 · Return: 14 Oct 2026 Price found 18 Sep 2026, 01:55
From Cork (ORK), Ireland to Porto, Portugal (OPO): €80
Depart: 07 Oct 2026 · Return: 13 Oct 2026 Price found 12 Sep 2026, 08:36
From Knock (NOC), Ireland to Porto, Portugal (OPO): €95
Depart: 05 Oct 2026 · Return: 09 Oct 2026 Price found 18 Sep 2026, 09:11
From Farranfore (KIR), Ireland to Porto, Portugal (OPO): €126
Depart: 28 Oct 2026 · Return: 04 Nov 2026 Price found 13 Sep 2026, 20:11
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