DUB - OPO

$18 Find Cheap Flights from Dublin to Porto - Compare and Save

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Everything you should know

Cheapest round-trip
$43
Typical prices: $159-$300
Ryanair
Thu 12/6Tue 12/18
DUB - OPO • Non-stop
Cheapest one-way
$18
Typical prices: $93-$179
Ryanair
Wed 11/21
DUB - OPO • Non-stop
Nonstop flights
You can fly direct with Ryanair. Average duration is 2h 25m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 68% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 6 weeks in advance save around 55% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 25% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $152 (round-trip)
Shortest trip • 5h 32m (one-way)
Insights
Insights
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Dublin to Porto (DUB-OPO)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Dublin to Porto

Sun, Dec 6 - Fri, Dec 18
Ryanair Logo
6:30 am - 8:55 amDUB  Dublin-OPO Porto
2h 25mnonstop
Ryanair Logo
9:45 pm - 12:10 amOPO  Porto-DUB Dublin
2h 25mnonstop
$43Ryanair
Tue, Nov 24 - Sat, Nov 28
Ryanair Logo
6:15 am - 8:40 amDUB  Dublin-OPO Porto
2h 25mnonstop
Ryanair Logo
7:50 pm - 10:15 pmOPO  Porto-DUB Dublin
2h 25mnonstop
$57Ryanair
Sat, Nov 21 - Sun, Nov 22
Ryanair Logo
5:00 pm - 7:25 pmDUB  Dublin-OPO Porto
2h 25mnonstop
Ryanair Logo
9:20 am - 11:45 amOPO  Porto-DUB Dublin
2h 25mnonstop
$60Ryanair
Sat, Dec 5 - Sun, Dec 6
Ryanair Logo
5:00 pm - 7:25 pmDUB  Dublin-OPO Porto
2h 25mnonstop
Ryanair Logo
9:20 am - 11:45 amOPO  Porto-DUB Dublin
2h 25mnonstop
$70Ryanair
Sun, Nov 8 - Tue, Nov 17
Ryanair Logo
6:30 am - 8:55 amDUB  Dublin-OPO Porto
2h 25mnonstop
Ryanair Logo
7:55 am - 9:25 amOPO  Porto-DUB Dublin
25h 30m1 stop Faro
$81Ryanair
Sun, Dec 6 - Fri, Dec 18
Ryanair Logo
6:30 am - 8:55 amDUB  Dublin-OPO Porto
2h 25mnonstop
Ryanair Logo
3:10 pm - 12:40 amOPO  Porto-DUB Dublin
9h 30m1 stop Liverpool J. Lennon
$81Ryanair
Sat, Nov 21 - Sun, Nov 22
Ryanair Logo
5:00 pm - 7:25 pmDUB  Dublin-OPO Porto
2h 25mnonstop
Ryanair Logo
7:10 pm - 9:35 amOPO  Porto-DUB Dublin
14h 25m1 stop Bristol
$88Ryanair
Sat, Nov 14 - Sat, Nov 21
Ryanair Logo
5:00 pm - 7:25 pmDUB  Dublin-OPO Porto
2h 25mnonstop
Ryanair Logo
7:50 am - 10:15 amOPO  Porto-DUB Dublin
2h 25mnonstop
$90Ryanair
Sun, Dec 6 - Fri, Dec 18
Multiple Airlines Logo
6:30 am - 4:50 pmDUB  Dublin-OPO Porto
10h 20m2 stops Alicante Oviedo Asturias
Multiple Airlines Logo
9:45 pm - 12:10 amOPO  Porto-DUB Dublin
2h 25mnonstop
$103Multiple Airlines
Sun, Nov 8 - Tue, Nov 17
Multiple Airlines Logo
6:30 am - 8:55 amDUB  Dublin-OPO Porto
2h 25mnonstop
Multiple Airlines Logo
6:00 pm - 9:30 amOPO  Porto-DUB Dublin
15h 30m2 stops Lisbon Humberto Delgado Madrid Barajas
$105Multiple Airlines
Booking Insights

Price, demand and travel trends for Dublin to Porto flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Dublin to Porto?

Round-trip flights from Dublin to Porto typically range from $159 to $300. The lowest price found in the past 5 days was $43, on Ryanair.

What's the cheapest day of the week to fly from Dublin to Porto?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Dublin to Porto. It’s 25% cheaper than the average day, while Saturday is the most expensive, with prices 4% higher.

What’s the cheapest month to fly from Dublin to Porto?

•October is the cheapest month to fly from Dublin to Porto at $162 round-trip.
•December ($342) and July ($284) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 111% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Dublin to Porto the cheapest?

Flights from Dublin to Porto are cheapest 6 weeks before departure. Booking in this window typically costs about 55% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Dublin to Porto flights

Low season

March

Cheapest flight

$18
Beat the crowds with an average 26% drop in travelers.
The most popular month to fly with an average 46% increase in travelers.
One-way flight from Dublin to Porto

When to book flights from Dublin to Porto

Are your dates flexible? Find out the best times to travel from Dublin to Porto based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Dublin to Porto flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Dublin to Porto?

    These are the earliest and latest flight times available from Dublin to Porto:

    • Earliest: departs at 6:00 am and lands at 8:25 am
    • Latest: departs at 8:45 pm and lands at 11:10 pm.

    The flight takes about 2h 25m.

  • What cabin classes can I book on flights from Dublin to Porto?

    Only Economy Class is available on flights from Dublin to Porto.

  • How long is a flight from Dublin to Porto?

    A nonstop flight from Dublin to Porto takes 2h 25m, covering 848 miles.

  • Do I need a passport to fly from Dublin to Porto?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Dublin to Porto flight?

    Round-trip flights from Dublin to Porto range from $159 to $300, with an average of $216 over the past 12 months. Anything below $159 counts as a good deal.

  • How expensive are last-minute Dublin to Porto flights?

    Last-minute fares on this route (booked within two weeks of departure) run 57% above the $216 route average. Book 6 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Dublin to Porto?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $152 round-trip via Faro (FAO), compared to $207 for nonstop.

  • How does on-time performance compare across airlines flying from Dublin to Porto?

    Ryanair is the only airline operating Dublin to Porto flights. 68% of its flights are on time.

  • What is the standard checked-bag allowance on flights from Dublin to Porto?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $29–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Dublin to Porto?

    The Boeing 737 MAX 8 family is used most often on this route, operated mainly by Ryanair. Other aircraft seen on the route include Boeing 737-800 Passenger/BBJ2 (winglets) variants.

  • How are flight departures from Dublin to Porto spread across the day?

    Morning is the busiest departure period on Dublin to Porto flights, with 50% of flights leaving in that window. Evening departures account for 50%, afternoon flights for 0%, and night flights for 0%.

  • How are flight prices from Dublin to Porto looking right now?

    One-way fares from Dublin to Porto are currently lower than usual. Average one-way flight prices are about $50, which is 61% below the typical average for this route.

  • What car rental options are available at Porto Airport (OPO)?

    Porto Airport (OPO) hosts 5 major car rental companies, with daily rates starting from around $2 for economy cars. Top options include:

    • GREEN MOTION
    • Drive on Holiday
    • Klass Wagen
    • Goldcar Rental SP
    • Sixt

  • Which airports can I use when flying from Dublin to Porto?

    Flights from Dublin to Porto usually depart from Dublin (DUB) and arrive at Porto (OPO).

  • What time of day has the fewest delays on flights from Dublin to Porto?

    Morning flights have the fewest delays on this route, while afternoon departures tend to have the most.

  • At what point is a flight considered delayed from Dublin to Porto?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Dublin to Porto route, 32% of flights were delayed in the past 3 months, with delays averaging 1h 55m.

  • Which airports do connecting flights from Dublin to Porto pass through?

    One-stop flights from Dublin to Porto most commonly connect through:

    • Lisbon Humberto Delgado (LIS) - 42% of one-stop connections
    • Frankfurt am Main (FRA) - 27% of one-stop connections
    • Amsterdam Schiphol (AMS) - 15% of one-stop connections
    • Birmingham (BHX) - 4% of one-stop connections

  • Can I save money by using flexible dates for flights from Dublin to Porto?

    Yes. Flexible dates can save you up to 28% on flights from Dublin to Porto. Tuesday is the cheapest departure day at $164 round-trip on average, while Saturday is the most expensive at $225, a difference of $61.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Dublin to Porto?

    Only Ryanair operates flights between Dublin and Porto.

  • How much time can I save by choosing a different layover airport from Dublin to Porto?

    Flying via Birmingham (BHX) gives the shortest average 1-stop total travel time at 5h 32m, compared with 6h 33m via Amsterdam Schiphol (AMS) and 6h 54m via Liverpool J. Lennon (LPL).

  • What popular places can I visit in Porto?

    Some of the most popular sights in Porto are Ribeira Square, Avenida dos Aliados and Mercado do Bolhão. These are among the most viewed places in Porto on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Dublin to Porto flights?

    Among airlines operating Dublin to Porto flights:

    • Ryanair: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Dublin to Porto flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Ryanair: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

  • My return flight from Porto is much later than my hotel's check-out time. Can I leave my luggage somewhere?

    Yes, the airport has a luggage storage area if you don't mind travelling there earlier than your flight. The main luggage storage area is in Departures and is open from 05:00 to 23:00. The price depends on how much luggage you have, but it ranges from around €2 to €6. There are also lockers in the Arrivals area if you have smaller luggage; they cost approx. €1.50 per 4h, and are open 24/7.

  • How do I get from Porto Airport to Porto city centre?

    Porto Airport has its own metro station, and a metro departs towards the city centre every 20-30min. It'll get you to the centre in 25min for around €2.50 and stops at lots of the city's main locations along the way. It runs from 08:30-20:00, but if your flight gets in later, the buses run from 05:30-00:30. The bus journey takes around 40min and costs approx. €4. If you don't feel like using public transport after your flight, you can get a 20min taxi for around €23 (although it may cost more late at night or on weekends/public holidays).

Your guide to booking Dublin to Porto flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Saturday. On this route, Tuesday flights average $164, about $61 less than Saturday fares (27% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 6 weeks before you fly. On this route, that window historically saves about 55% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Dublin to Porto trip for October. Fares historically average $162 round-trip in that month - typically $180 less than the most expensive month, which is December (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Faro Airport (FAO) can be cheaper than flying direct. The cheapest layover option averages $152 round-trip on this route - about $54 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Porto Airport.

    • Opo Hotel Porto Aeroporto
  • Porto Airport (OPO) has free unlimited Wi-Fi, so you'll be able to load your boarding pass for your journey home without using any data. It also has 12 computers, both land side and air side, with free internet access for passenger use.
  • Porto Airport has five information desks, three of which are open 24/7, so whenever your flight lands, you'll be able to get assistance if you need it.
  • Dublin Airport (DUB) has a range of food options, including at least one 24/7 restaurant and a sandwich and coffee bar in the boarding area, so you'll definitely be able to eat before you fly (even if you're running late!).

Prefer to fly direct from Dublin to Porto?

 
Find which airlines fly direct from Dublin Airport to Porto Airport, which days they fly and book direct flights.

Direct departures

Dublin to Porto

Monday

Ryanair

Ryanair

Tuesday

Ryanair

Ryanair

Wednesday

Ryanair

Ryanair

Thursday

Ryanair

Ryanair

Friday

Ryanair

Ryanair

Saturday

Ryanair

Ryanair

Sunday

Ryanair

Ryanair

See more direct flights

Direct returns

Porto to Dublin

Monday

Ryanair

Ryanair

Tuesday

Ryanair

Ryanair

Wednesday

Ryanair

Ryanair

Thursday

Ryanair

Ryanair

Friday

Ryanair

Ryanair

Saturday

Ryanair

Ryanair

Sunday

Ryanair

Ryanair

See more direct flights

More options for your flight from Dublin to Porto

Complete your trip to Porto with a hotel stay or car rental