Flights to Porto

€28 Cheap flights to Porto

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Porto departing on 21/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ireland to Porto

Cheap return flights

Ryanair Logo
19:35 - 22:00DUB-OPO
2h 25mdirect
Ryanair Logo
22:25 - 00:50OPO-DUB
2h 25mdirect
€111Ryanair
Find Deal
Tue, 14 Oct - Tue, 21 Oct
 Logo
19:35 - 22:00DUB-OPO
2h 25mdirect
 Logo
22:00 - 09:10OPO-DUB
11h 10m1 stop
€118
Find Deal
Tue, 14 Oct - Tue, 21 Oct
 Logo
21:35 - 08:00DUB-OPO
10h 25m1 stop
 Logo
15:45 - 07:35OPO-DUB
15h 50m1 stop
€120
Find Deal
Tue, 30 Sep - Wed, 1 Oct
Lufthansa Logo
05:00 - 11:40DUB-OPO
6h 40m1 stop
Lufthansa Logo
06:00 - 16:25OPO-DUB
10h 25m1 stop
€152Lufthansa
Find Deal
Thu, 22 Jan - Sun, 25 Jan
TAP AIR PORTUGAL Logo
18:50 - 07:45DUB-OPO
12h 55m1 stop
TAP AIR PORTUGAL Logo
21:15 - 10:00OPO-DUB
12h 45m1 stop
€154TAP AIR PORTUGAL
Find Deal
Thu, 2 Oct - Tue, 7 Oct
TAP AIR PORTUGAL Logo
18:50 - 08:00DUB-OPO
13h 10m1 stop
TAP AIR PORTUGAL Logo
22:30 - 10:00OPO-DUB
11h 30m1 stop
€164TAP AIR PORTUGAL
Find Deal
Fri, 3 Oct - Tue, 7 Oct
Lufthansa Logo
05:00 - 11:40DUB-OPO
6h 40m1 stop
Lufthansa Logo
12:40 - 10:05OPO-DUB
21h 25m2 stops
€176Lufthansa
Find Deal
Thu, 22 Jan - Sun, 25 Jan
Vueling Logo
21:00 - 08:00DUB-OPO
11h 00m1 stop
Vueling Logo
16:55 - 09:10OPO-DUB
16h 15m1 stop
€190Vueling
Find Deal
Wed, 24 Sep - Mon, 29 Sep
KLM Logo
06:00 - 22:15ORK-OPO
16h 15m1 stop
KLM Logo
20:10 - 14:40OPO-ORK
18h 30m2 stops
€423KLM
Find Deal
Sat, 13 Sep - Wed, 17 Sep
KLM Logo
15:45 - 22:15ORK-OPO
30h 30m2 stops
KLM Logo
20:10 - 14:40OPO-ORK
18h 30m2 stops
€495KLM
Find Deal
Thu, 28 Aug - Wed, 3 Sep

momondo Fare Finder

 
Locate flights to Porto that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 13,528 searches and data was last updated on 14 August 2025.
Use the filters below to find and compare flights to Porto that are best for you.

Fly from

Route

Depart

Return

Price

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 14/10

19:35-22:00

Nonstop2h 25m

Porto

Tue 21/10

22:25-00:50

Nonstop2h 25m

€111

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 14/10

19:35-22:00

Nonstop2h 25m

Porto

Tue 21/10

22:00-09:10

1 stop11h 10m

€118

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 30/9

21:35-08:00

1 stop10h 25m

Porto

Wed 1/10

15:45-07:35

1 stop15h 50m

€120

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 22/1

05:00-11:40

1 stop6h 40m

Porto

Sun 25/1

06:00-16:25

1 stop10h 25m

€152

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 2/10

18:50-07:45

1 stop12h 55m

Porto

Tue 7/10

21:15-10:00

1 stop12h 45m

€154

DublinPorto

DUB - OPO

DUBOPO

Dublin

Fri 3/10

18:50-08:00

1 stop13h 10m

Porto

Tue 7/10

22:30-10:00

1 stop11h 30m

€164

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 22/1

05:00-11:40

1 stop6h 40m

Porto

Sun 25/1

12:40-10:05

2 stops21h 25m

€176

DublinPorto

DUB - OPO

DUBOPO

Dublin

Wed 24/9

21:00-08:00

1 stop11h 00m

Porto

Mon 29/9

16:55-09:10

1 stop16h 15m

€190

CorkPorto

ORK - OPO

ORKOPO

Cork

Sat 13/9

06:00-22:15

1 stop16h 15m

Porto

Wed 17/9

20:10-14:40

2 stops18h 30m

€423

CorkPorto

ORK - OPO

ORKOPO

Cork

Thu 28/8

15:45-22:15

2 stops30h 30m

Porto

Wed 3/9

20:10-14:40

2 stops18h 30m

€495

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 €120, 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 €138.

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

The cheapest day to depart from Ireland to Porto is on a Monday when prices can be found for as low as €180. 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 €257.

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 €202. Flights to Porto are more costly at midday, with an average ticket price of €389. Departure times at midday 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 €194 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 €139 on momondo.

Cheapest flights to Porto

Find the cheapest flights to Porto from your nearest city or airport
CHEAPEST MONTH TO FLY TO PORTO FROM DUBLINFebruary39% cheaperFlying from Dublin to Porto costs on average just €120 in February
MOST EXPENSIVE MONTH TO FLY TO PORTO FROM DUBLINDecember41% more expensiveIt costs about €276 for flights to Porto from Dublin in December
MOST POPULAR MONTH TO FLY TO PORTO FROM DUBLINJuly427% 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

€28

Best Round-Trip Price

€111

Fastest flight time

2h 15m

Popular in

December
The best one-way flight price to Porto from Ireland in the last 72 hours is €28 (Shannon to Porto).
The best round-trip flight price to Porto from Ireland in the last 72 hours is €111 (Dublin to Porto).
The fastest flight to Porto from Ireland takes 2h 15m (Shannon to Porto).
December has the highest demand for flights to Porto, with a 1% price increase on average.

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 75 days in advance, when prices tend to average €194. However, in the past 72 hours, people saw flights from Ireland for as low as €107.

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?

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
Viseu
Chaves
Vila Nova de Gaia
Aveiro
Braga
Pinhao
Coimbra
Lamego
Mira
Ponte de Lima
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.

An easier way to manage your Porto trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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1 adult
Tue 19/8
Tue 26/8

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Popular Flights to Porto

Popular routes according to searches in the past day on momondo