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Cheap flights from Dublin to Porto from €31

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Porto departing on 14/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Ryanair Logo
12:35 - 14:55DUB-OPO
2h 20mdirect
Ryanair Logo
06:30 - 08:50OPO-DUB
2h 20mdirect
€70Ryanair
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Thu, 6 Nov - Mon, 10 Nov
Ryanair Logo
18:15 - 20:40DUB-OPO
2h 25mdirect
Ryanair Logo
22:25 - 00:50OPO-DUB
2h 25mdirect
€74Ryanair
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Sat, 18 Oct - Tue, 21 Oct
Ryanair Logo
18:15 - 20:40DUB-OPO
2h 25mdirect
Ryanair Logo
22:25 - 00:50OPO-DUB
2h 25mdirect
€75Ryanair
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Sat, 18 Oct - Tue, 21 Oct
Logo
21:35 - 08:00DUB-OPO
10h 25m1 stop
Logo
06:35 - 20:00OPO-DUB
13h 25m1 stop
€112
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Tue, 14 Oct - Tue, 21 Oct
Logo
19:20 - 08:10DUB-OPO
12h 50m1 stop
Logo
06:15 - 12:40OPO-DUB
6h 25m1 stop
€122
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Fri, 10 Oct - Fri, 17 Oct
Vueling Logo
13:20 - 21:15DUB-OPO
7h 55m1 stop
Vueling Logo
21:55 - 12:40OPO-DUB
14h 45m1 stop
€124Vueling
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Tue, 11 Nov - Wed, 12 Nov
TAP AIR PORTUGAL Logo
16:55 - 22:05DUB-OPO
5h 10m1 stop
TAP AIR PORTUGAL Logo
10:55 - 16:10OPO-DUB
5h 15m1 stop
€126TAP AIR PORTUGAL
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Fri, 7 Nov - Mon, 10 Nov
TAP AIR PORTUGAL Logo
04:25 - 10:00DUB-OPO
5h 35m1 stop
TAP AIR PORTUGAL Logo
18:00 - 23:20OPO-DUB
5h 20m1 stop
€129TAP AIR PORTUGAL
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Sun, 16 Nov - Fri, 21 Nov
Lufthansa Logo
09:10 - 14:55DUB-OPO
5h 45m1 stop
Lufthansa Logo
12:30 - 22:45OPO-DUB
10h 15m1 stop
€141Lufthansa
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Tue, 3 Mar - Sat, 7 Mar
Lufthansa Logo
10:50 - 22:25DUB-OPO
11h 35m2 stops
Lufthansa Logo
16:15 - 22:45OPO-DUB
6h 30m1 stop
€166Lufthansa
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Tue, 3 Mar - Sat, 7 Mar

Ryanair flights from Dublin to Porto

Our best Ryanair deals on Dublin to Porto flight tickets
Ryanair
6 Nov
DUB12:35Dublin
2h 20m
OPO14:55Porto
10 Nov
OPO06:30Porto
2h 20m
DUB08:50Dublin
€70
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Ryanair
18 Oct
DUB18:15Dublin
2h 25m
OPO20:40Porto
21 Oct
OPO22:25Porto
2h 25m
DUB00:50Dublin
€74
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Ryanair
18 Oct
DUB18:15Dublin
2h 25m
OPO20:40Porto
21 Oct
OPO22:25Porto
2h 25m
DUB00:50Dublin
€75
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TAP AIR PORTUGAL flights from Dublin to Porto

Our best TAP AIR PORTUGAL deals on Dublin to Porto flight tickets
TAP AIR PORTUGAL
7 Nov
DUB16:55Dublin
5h 10m
1 stop
OPO22:05Porto
10 Nov
OPO10:55Porto
5h 15m
1 stop
DUB16:10Dublin
€126
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TAP AIR PORTUGAL
16 Nov
DUB04:25Dublin
5h 35m
1 stop
OPO10:00Porto
21 Nov
OPO18:00Porto
5h 20m
1 stop
DUB23:20Dublin
€129
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TAP AIR PORTUGAL
5 Dec
DUB11:10Dublin
6h 50m
1 stop
OPO18:00Porto
7 Dec
OPO18:00Porto
5h 20m
1 stop
DUB23:20Dublin
€136
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momondo Fare Finder

 
Customise your flight search to find flights from Dublin to Porto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 14 September 2025.
Use the filters below to find and compare flights from Dublin to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 6/11

12:35-14:55

Nonstop2h 20m

Porto

Mon 10/11

06:30-08:50

Nonstop2h 20m

€70

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sat 18/10

18:15-20:40

Nonstop2h 25m

Porto

Tue 21/10

22:25-00:50

Nonstop2h 25m

€74

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sat 18/10

18:15-20:40

Nonstop2h 25m

Porto

Tue 21/10

22:25-00:50

Nonstop2h 25m

€75

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 14/10

21:35-08:00

1 stop10h 25m

Porto

Tue 21/10

06:35-20:00

1 stop13h 25m

€112

DublinPorto

DUB - OPO

DUBOPO

Dublin

Fri 10/10

19:20-08:10

1 stop12h 50m

Porto

Fri 17/10

06:15-12:40

1 stop6h 25m

€122

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 11/11

13:20-21:15

1 stop7h 55m

Porto

Wed 12/11

21:55-12:40

1 stop14h 45m

€124

DublinPorto

DUB - OPO

DUBOPO

Dublin

Fri 7/11

16:55-22:05

1 stop5h 10m

Porto

Mon 10/11

10:55-16:10

1 stop5h 15m

€126

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sun 16/11

04:25-10:00

1 stop5h 35m

Porto

Fri 21/11

18:00-23:20

1 stop5h 20m

€129

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 3/3

09:10-14:55

1 stop5h 45m

Porto

Sat 7/3

12:30-22:45

1 stop10h 15m

€141

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 3/3

10:50-22:25

2 stops11h 35m

Porto

Sat 7/3

16:15-22:45

1 stop6h 30m

€166

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

How to get the cheapest flight ticket from Dublin to Porto

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Porto?

The cheapest month to fly to Porto from Dublin is in February. Flight prices, which tend to average around €118, 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 Dublin 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 Dublin to Porto is on a Monday when prices can be found for as low as €179. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Dublin to Porto for around €256.

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

Our data shows that the cheapest Dublin 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 €201. Flights to Porto are more costly at midday, with an average ticket price of €386. 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 Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around €195 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 Dublin for as low as €140 on momondo.

How have Dublin to Porto flight prices changed over time?

As of September 2025, prices for Dublin to Porto flights are approximately 21% more expensive when compared to flights at the same time last year.

When to book flights from Dublin to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to Porto according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Dublin to Porto (DUB to OPO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to Porto

Fastest flight time

2h 15m

Direct flights

Every day

Airports in Porto

1 airport
The fastest flight from Dublin to Porto takes 2h 15m
Direct flights go from Dublin to Porto every day.
There is 1 airport near Porto: Porto (OPO)
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  • How far is Dublin to Porto by plane?

    Dublin and Porto are 1365.6 km apart from one another. Typically, this will take 2h 15m by plane in normal conditions.

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

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

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

  • How old do you have to be to fly from Dublin Airport 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 from Dublin Airport to Porto Airport.

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

    The travel and health documents you'll need for your trip to Porto Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Porto Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Dublin to Porto?

  • What is the most popular airline from Dublin to Porto?

Best airlines flying from Dublin to Porto

Compare and see reviews for airlines that fly from Dublin to Porto with momondo
Airline
Rating
Free Cancellation
Price
TAP AIR PORTUGALPriceFrom €113Free CancellationRating
7.1
1,977 reviews
Search TAP AIR PORTUGAL flights
KLMPriceFrom €136Free CancellationRating
7.8
1,385 reviews
Search KLM flights

Travelling to a place near Porto?

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

Why use momondo?

Why should I use momondo to find a flight deal from Dublin 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 from Dublin to Porto for you.

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

All flight searches from Dublin to Porto on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Dublin to Porto?

Once all potential Dublin to Porto flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Dublin to Porto flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Porto trip

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