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Flights to Porto

€25 Cheap flights to Porto

1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Ireland to Porto

Cheap return flights

Enter your travel dates to find the best prices.
Ryanair Logo
21:30 - 23:45SNN  Shannon-OPO Porto
2h 15mdirect
Ryanair Logo
22:55 - 01:10OPO  Porto-SNN Shannon
2h 15mdirect
€50Ryanair
Sun, 20 Sep - Wed, 23 Sep
Ryanair Logo
21:30 - 23:45SNN  Shannon-OPO Porto
2h 15mdirect
Ryanair Logo
13:30 - 15:45OPO  Porto-SNN Shannon
2h 15mdirect
€50Ryanair
Sun, 18 Oct - Mon, 19 Oct
Ryanair Logo
21:30 - 23:45SNN  Shannon-OPO Porto
2h 15mdirect
Ryanair Logo
22:55 - 01:10OPO  Porto-SNN Shannon
2h 15mdirect
€52Ryanair
Sun, 20 Sep - Wed, 23 Sep
Ryanair Logo
21:30 - 23:45SNN  Shannon-OPO Porto
2h 15mdirect
Ryanair Logo
22:55 - 01:10OPO  Porto-SNN Shannon
2h 15mdirect
€65Ryanair
Sun, 20 Sep - Wed, 23 Sep
Ryanair Logo
21:30 - 23:45SNN  Shannon-OPO Porto
2h 15mdirect
Ryanair Logo
22:55 - 01:10OPO  Porto-SNN Shannon
2h 15mdirect
€66Ryanair
Sun, 20 Sep - Wed, 23 Sep
Ryanair Logo
17:00 - 19:25DUB  Dublin-OPO Porto
2h 25mdirect
Ryanair Logo
21:35 - 23:59OPO  Porto-DUB Dublin
2h 24mdirect
€68Ryanair
Sat, 31 Oct - Wed, 4 Nov
Ryanair Logo
21:30 - 23:45SNN  Shannon-OPO Porto
2h 15mdirect
Ryanair Logo
18:50 - 21:05OPO  Porto-SNN Shannon
2h 15mdirect
€72Ryanair
Sun, 13 Sep - Sun, 20 Sep
Ryanair Logo
21:30 - 23:45SNN  Shannon-OPO Porto
2h 15mdirect
Ryanair Logo
07:10 - 13:40OPO  Porto-SNN Shannon
6h 30m1 stop Madrid Barajas
€77Ryanair
Sun, 20 Sep - Wed, 23 Sep
Multiple Airlines Logo
12:50 - 21:15DUB  Dublin-OPO Porto
8h 25m1 stop Barcelona-El Prat
Multiple Airlines Logo
09:20 - 11:45OPO  Porto-DUB Dublin
2h 25mdirect
€91Multiple Airlines
Sat, 7 Nov - Sun, 8 Nov
Multiple Airlines Logo
12:50 - 21:15DUB  Dublin-OPO Porto
8h 25m1 stop Barcelona-El Prat
Multiple Airlines Logo
09:20 - 11:45OPO  Porto-DUB Dublin
2h 25mdirect
€92Multiple Airlines
Sat, 7 Nov - Sun, 8 Nov

momondo Fare Finder

 
Use the filters below to find and compare flights to Porto that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

ShannonPorto

SNN Shannon - OPO Porto

SNNOPO

Shannon

Sun 20/9

21:30-23:45

Nonstop2h 15m

Porto

Wed 23/9

22:55-01:10

Nonstop2h 15m

€50

ShannonPorto

SNN Shannon - OPO Porto

SNNOPO

Shannon

Sun 18/10

21:30-23:45

Nonstop2h 15m

Porto

Mon 19/10

13:30-15:45

Nonstop2h 15m

€50

ShannonPorto

SNN Shannon - OPO Porto

SNNOPO

Shannon

Sun 20/9

21:30-23:45

Nonstop2h 15m

Porto

Wed 23/9

22:55-01:10

Nonstop2h 15m

€52

ShannonPorto

SNN Shannon - OPO Porto

SNNOPO

Shannon

Sun 20/9

21:30-23:45

Nonstop2h 15m

Porto

Wed 23/9

22:55-01:10

Nonstop2h 15m

€65

ShannonPorto

SNN Shannon - OPO Porto

SNNOPO

Shannon

Sun 20/9

21:30-23:45

Nonstop2h 15m

Porto

Wed 23/9

22:55-01:10

Nonstop2h 15m

€66

DublinPorto

DUB Dublin - OPO Porto

DUBOPO

Dublin

Sat 31/10

17:00-19:25

Nonstop2h 25m

Porto

Wed 4/11

21:35-23:59

Nonstop2h 24m

€68

ShannonPorto

SNN Shannon - OPO Porto

SNNOPO

Shannon

Sun 13/9

21:30-23:45

Nonstop2h 15m

Porto

Sun 20/9

18:50-21:05

Nonstop2h 15m

€72

ShannonPorto

SNN Shannon - OPO Porto

SNNOPO

Shannon

Sun 20/9

21:30-23:45

Nonstop2h 15m

Porto

Wed 23/9

07:10-13:40

1 stop6h 30m

€77

DublinPorto

DUB Dublin - OPO Porto

DUBOPO

Dublin

Sat 7/11

12:50-21:15

1 stop8h 25m

Porto

Sun 8/11

09:20-11:45

Nonstop2h 25m

€91

DublinPorto

DUB Dublin - OPO Porto

DUBOPO

Dublin

Sat 7/11

12:50-21:15

1 stop8h 25m

Porto

Sun 8/11

09:20-11:45

Nonstop2h 25m

€92

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Porto from

Porto flights insights and trends

Explore insights for your Porto flight to craft the best travel plan

What is the cheapest month to fly to Porto?

The cheapest month to fly to Porto from Ireland is in February. Flight prices, which tend to average around €138, are often lower during this time because this is during the off-season. If you are unable to visit Porto during the month of February, then departing from Ireland during the month January is also very affordable. Most momondo users find prices during this month for around €139.

What is the absolute cheapest flight to Porto?

See prices from:

What is the cheapest day to depart on your flight to Porto?

The cheapest day to depart from Ireland to Porto is on a Tuesday when prices can be found for as low as €178. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to Porto for around €222.

What is the cheapest time of day to depart on your flight to Porto?

Our data shows that the cheapest Ireland to Porto flights are usually those with departure times in the morning. Our users have found flights to Porto in the morning for as low as €146. Flights to Porto are more costly in the evening, with an average ticket price of €193. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Porto?

You are more likely to see cheaper flights to Porto from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around €186 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Ireland for as low as €117 on momondo.

Cheapest flights to Porto

Find the cheapest flights to Porto from your nearest city or airport
Find flights from Dublin to Porto
CHEAPEST MONTH TO FLY TO PORTO FROM DUBLINFebruary27% cheaperFlying from Dublin to Porto costs on average just €138 in February
MOST EXPENSIVE MONTH TO FLY TO PORTO FROM DUBLINDecember33% more expensiveIt costs about €250 for flights to Porto from Dublin in December
MOST POPULAR MONTH TO FLY TO PORTO FROM DUBLINJuly444% more users visitedMore momondo users searched in flights to Porto from Dublin in July than any other month

Cheap Porto flight deals and tips

Summary info about Porto flight prices, duration and airlines

Best One-Way Price

€25

Best Round-Trip Price

€50

Fastest flight time

2h 15m

Popular in

December
The best one-way flight price to Porto from Ireland in the last 5 days is €25 (Shannon to Porto).
Search Deals
The best return flight price to Porto from Ireland in the last 5 days is €50 (Shannon to Porto).
Search Deals
The fastest flight to Porto from Ireland takes 2h 15m (Shannon to Porto).
Search Deals
December has the highest demand for flights to Porto, with a 0% price increase on average.
Search Deals

Frequently asked questions about flying to Porto

How far in advance should I book a flight to Porto?

The ideal time to book your flight to Porto is 30 days in advance, when prices tend to average €186. However, in the past 72 hours, people saw flights from Ireland for as low as €56.

When did momondo last update prices for flights to Porto Airport?

Prices for flights to Porto Airport are refreshed on a daily basis.

How many operators does momondo search for flights to Porto Airport?

As of August 2026, there are 4 operators available to choose from for flights to Porto Airport.

How old do you have to be to fly to Porto Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Porto Airport.

What documentation or ID do you need to fly to Porto Airport?

The travel and health documents required for your trip to Porto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Matosinhos
Braga
Aveiro
Coimbra
Chaves
Esposende
Vila Nova de Gaia
Ponte de Lima
Viseu
Guimarães
Espinho
Lamego
Caminha

Why use momondo?

Why should I use momondo to find a flight deal to Porto?

We help find the flight that best suits your needs; momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight for you.

Can I find flights to Porto with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Porto with this policy.

How can momondo help me find flights to Porto?

momondo helps you find the best flight to Porto by providing filters to narrow your choice of flights to those matching your criteria. You can select fights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight to Porto right now. Can momondo alert me if prices change?

Yes. momondo can track flight prices for Porto and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Porto

Popular Flights to Porto

Dublin to Porto Flightsfrom €80
Shannon to Porto Flightsfrom €59
Cork to Porto Flightsfrom €130