What is the difference between the most popular and the most frequent airline at Porto?

Ryanair operates the most flights from Ireland to Porto at 11 per week, and for this route Ryanair is also the airline most often selected by KAYAK users searching for flights from Ireland to Porto. The two are sometimes different because flight volume reflects an airline's schedule, while popularity reflects traveller choice.

How long are direct flights to Porto from different departure cities?

Direct flight time to Porto varies depending on your departure city: • from Dublin: 2h 25m • from Shannon: 2h 15m

How many flights serve Porto?

Porto receives 2 flights per day and 11 per week from across the world. Dublin has the most flights to Porto with 11 weekly flights.

How do I know if a flight to Porto is a good deal?

A good deal on a flight to Porto is around €130 return. This fare is in the lowest 25% of return flight prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.

How expensive are last-minute flights to Porto?

Last-minute fares to Porto – booked within 2 weeks of departure – run 57% above the average return fare of €183.

Which airlines should I consider for flights to Porto?

Ryanair, KLM, and Lufthansa are the most popular airlines among KAYAK users flying to Porto. Ryanair has the best on-time record at the destination's main airport.

What are the most popular airlines flying to Porto?

Ryanair is the most popular airline flying to Porto among KAYAK users, followed by KLM and Lufthansa.

Which airline offers the most direct flights to Porto?

Ryanair is the only airline that flies direct to Porto with 11 flights per week.

How many direct flights to Porto are there each day?

There is 1 daily direct flight to Porto. 0% depart in the morning, 0% in the afternoon, 100% in the evening, and 0% at night.

How many direct flights to Porto are there each week?

There are 11 direct flights to Porto each week. Monday is the day with the most departures at 18%.

How many long-haul flights are there to Porto each week?

No long-haul flights serve this destination.

How many cities have direct flights to Porto?

2 cities have direct flights to Porto. Dublin has the most with 11 direct flights per week.

How often are flights to Porto delayed?

Based on KAYAK data over the past 3 months, flights to Porto are delayed by 15 minutes or more 32% of the time, 14 percentage points above the national average of 18%. Summer months have the highest delay rate on average at 47%.

€25 CHEAP FLIGHTS to Porto in 2026/27

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Cheapest return flight

€50

Typical prices: €130-€257

Ryanair

Thu 11/10Sun 14/10

SNN - OPO • Direct

Cheapest one-way flight

€25

Typical prices: €78-€162

Ryanair

Thu 27/9

SNN - OPO • Direct

Direct flights

Every day

You can fly direct with Ryanair. Average duration is 2h 24m

FAQs

Top airlines

Ryanair

Most flights • 11 per week

KLM

Best reviews • 7.8 score

Airline reviews

Top routes

SNN - OPO

Cheapest • 30% average savings

DUB - OPO

Most popular

Insights

When to book

6 weeks

in advance

Our data shows that travellers who book at least 6 weeks in advance save around 52% compared to booking last minute.

Insights

When to travel

January

Cheapest • 25% price drop

July

Most popular

Good to know

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We hope you enjoy your trip to Porto!

Flight Deals

Cheap Flights to Porto

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

Return

One-way

Last minute

Direct

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Recent return flight deals to Porto

Sun, 11 Oct - Wed, 14 Oct

21:30 - 23:45SNN Shannon-OPO Porto

2h 15mdirect

22:55 - 01:10OPO Porto-SNN Shannon

2h 15mdirect

€50Ryanair

Sun, 27 Sep - Mon, 12 Oct

21:30 - 23:45SNN Shannon-OPO Porto

2h 15mdirect

13:30 - 15:45OPO Porto-SNN Shannon

2h 15mdirect

€52Ryanair

Mon, 28 Sep - Mon, 12 Oct

16:10 - 18:25SNN Shannon-OPO Porto

2h 15mdirect

13:30 - 15:45OPO Porto-SNN Shannon

2h 15mdirect

€52Ryanair

Sun, 27 Sep - Wed, 7 Oct

21:30 - 23:45SNN Shannon-OPO Porto

2h 15mdirect

22:55 - 01:10OPO Porto-SNN Shannon

2h 15mdirect

€54Ryanair

Mon, 28 Sep - Wed, 7 Oct

16:10 - 18:25SNN Shannon-OPO Porto

2h 15mdirect

22:55 - 01:10OPO Porto-SNN Shannon

2h 15mdirect

€54Ryanair

Sun, 27 Sep - Sun, 11 Oct

21:30 - 23:45SNN Shannon-OPO Porto

2h 15mdirect

18:50 - 21:05OPO Porto-SNN Shannon

2h 15mdirect

€63Ryanair

Mon, 28 Sep - Sun, 11 Oct

16:10 - 18:25SNN Shannon-OPO Porto

2h 15mdirect

18:50 - 21:05OPO Porto-SNN Shannon

2h 15mdirect

€63Ryanair

Tue, 20 Oct - Sun, 25 Oct

19:20 - 21:45DUB Dublin-OPO Porto

2h 25mdirect

09:20 - 11:45OPO Porto-DUB Dublin

2h 25mdirect

€70Ryanair

Sat, 7 Nov - Sun, 8 Nov

12:50 - 21:40DUB Dublin-OPO Porto

8h 50m1 stop Barcelona-El Prat

09:20 - 11:45OPO Porto-DUB Dublin

2h 25mdirect

€93Multiple Airlines

Sun, 11 Oct - Wed, 14 Oct

21:30 - 23:45SNN Shannon-OPO Porto

2h 15mdirect

06:35 - 20:20OPO Porto-SNN Shannon

13h 45m2 stops Valencia London Gatwick

€102Multiple Airlines

Booking Insights

Price, demand, and travel trends for Ireland to Porto flights

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

Prices

Airlines

What is the cheapest flight to Porto?

Shannon to Porto is the cheapest route at €50 return, found in the past 5 days on KAYAK. Dublin to Porto is the most popular connection with return deals from €93.

How much is a flight to Porto?

A return flight to Porto costs €183 on average, based on data over the past 12 months on KAYAK. Return fares from Shannon average €131, while Dublin runs a bit higher at €189.

What is the cheapest day to fly to Porto?

Sunday is the cheapest day to fly to Porto at €146 return on average over the past 12 months on KAYAK. Wednesday is the most expensive at €199.

What is the cheapest month to fly to Porto?

January is the cheapest month to fly to Porto with an average price of €138 return.
December (€300) and July (€246) are the most expensive.
Based on KAYAK data over the past 12 months.

What is the cheapest time of day to fly to Porto?

Afternoon flights to Porto are the cheapest at €164 return on average. Morning flights are the most expensive at €201.

What is a good deal for flights to Porto?

Flights under €130 are considered a good deal. 25% of KAYAK users found return flights to Porto at or below these prices, with the lowest fares from:

Shannon €99

When are flights to Porto the cheapest?

Flights to Porto are cheapest 6 weeks before departure. Booking in this window typically costs about 52% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Low season	March
High season	July
Cheapest flight	€25

Best time to beat the crowds (5% less expensive on average)

Most popular time to fly (35% more expensive on average)

Flights from Shannon to Porto

When to book flights to Porto

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

Estimated return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. The information is for flights to Porto based on your location. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What is the difference between the most popular and the most frequent airline at Porto?
Ryanair operates the most flights from Ireland to Porto at 11 per week, and for this route Ryanair is also the airline most often selected by KAYAK users searching for flights from Ireland to Porto. The two are sometimes different because flight volume reflects an airline's schedule, while popularity reflects traveller choice.
How long are direct flights to Porto from different departure cities?
Direct flight time to Porto varies depending on your departure city:

• from Dublin: 2h 25m
• from Shannon: 2h 15m
How many flights serve Porto?
Porto receives 2 flights per day and 11 per week from across the world. Dublin has the most flights to Porto with 11 weekly flights.
How do I know if a flight to Porto is a good deal?
A good deal on a flight to Porto is around €130 return. This fare is in the lowest 25% of return flight prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.
How expensive are last-minute flights to Porto?
Last-minute fares to Porto – booked within 2 weeks of departure – run 57% above the average return fare of €183.
Which airlines should I consider for flights to Porto?
Ryanair, KLM, and Lufthansa are the most popular airlines among KAYAK users flying to Porto. Ryanair has the best on-time record at the destination's main airport.

For the best chance at a low fare to Porto, aim to book around 6 weeks before you fly. That window historically saves about 52% versus last-minute pricing based on KAYAK booking data over the last 12 months.
For flights to Porto, recent KAYAK data shows that stronger deals tend to be around €130 return. If you see a fare below that threshold, it's a good deal – book before the price climbs back up.
If you can choose when to go, aim to travel to Porto in January. Return fares historically average €138 that month – typically the cheapest month to travel based on the last 12 months.
Before you book:

• Check the route's typical price range so you can spot a deal.
• Confirm baggage fees and seat selection costs on budget carriers.
• Verify whether you need any travel documents beyond an ID.
• Pick a departure airport, since your nearest may not be the cheapest origin.
Shift your departure to midday to save up to €36 per return. Midday flights to Porto average €164 compared to €201 for morning flights. See the time-of-day chart above for the full breakdown.
Bag allowances vary by airline, fare type, cabin class, and route. On flights to Porto, some airlines may include bags at no extra cost. For example, Ryanair includes a cabin bag and a checked bag in Economy class. Always check the fare details before booking, since bag policies can change by ticket type.
Once you arrive in Porto, a few great places to start are Ribeira Square, Ponte de D. Luís, and Avenida dos Aliados. These are popular with first-time visitors and can give you a good feel for the area.

Reviews of the top airline flying to Porto

Need help choosing which airline to fly with to Porto? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.

6.9

RyanairOverall score based on 5474 reviews

6.7Boarding

7.5Crew

6.0Food

6.5Comfort

5.7Entertainment

Airline reviews

Smooth journey made good time. The aircraft was littered and did not look very presentable.

6.0 GoodSian, Aug 2026

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€25 Find Cheap Flights to Porto – Compare and Save

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Cheap Flights to Porto

Recent return flight deals to Porto

Recent one-way flight deals to Porto

Recent last minute flight deals to Porto

Recent direct flight deals from Ireland to Porto

All return flight deals to Porto

Price, demand, and travel trends for Ireland to Porto flights

What is the cheapest flight to Porto?

How much is a flight to Porto?

What is the cheapest day to fly to Porto?

What is the cheapest month to fly to Porto?

What is the cheapest time of day to fly to Porto?

What is a good deal for flights to Porto?

When are flights to Porto the cheapest?

What are the most popular airlines flying to Porto?

Which airline offers the most direct flights to Porto?

How many direct flights to Porto are there each day?

How many direct flights to Porto are there each week?

How many long-haul flights are there to Porto each week?

How many cities have direct flights to Porto?

How often are flights to Porto delayed?

Key details for flights to Porto

Low season

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Cheapest flight

When to book flights to Porto

Your questions about flights to Porto, answered

Your guide to booking Porto flights

Reviews of the top airline flying to Porto

Travelling to a place near Porto?

More options for your flight to Porto

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

Information on the airport you'll fly into in Porto

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