Cheap Flights from Porto (OPO) to Cardiff (CWL)

Compare Porto to Cardiff flight deals

Find the cheapest month or even day of the year to fly to Cardiff

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Flight deals from Porto to Cardiff

Looking for a cheap last-minute deal or the best return flight from Porto to Cardiff? Find the lowest prices on one-way and return tickets right here.

Cardiff.£98 per passenger.Departing Sat, 14 Mar, returning Mon, 16 Mar.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Porto on Sat, 14 Mar, arriving in Cardiff.Inbound indirect flight with Ryanair, departs from Cardiff on Mon, 16 Mar, arriving in Porto.Price includes taxes and charges.From £98, select.

Cardiff.£106 per passenger.Departing Fri, 17 Apr, returning Tue, 21 Apr.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Porto on Fri, 17 Apr, arriving in Cardiff.Inbound indirect flight with Ryanair, departs from Cardiff on Tue, 21 Apr, arriving in Porto.Price includes taxes and charges.From £106, select.

Cardiff.£109 per passenger.Departing Fri, 1 May, returning Sun, 3 May.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Porto on Fri, 1 May, arriving in Cardiff.Inbound indirect flight with Ryanair, departs from Cardiff on Sun, 3 May, arriving in Porto.Price includes taxes and charges.From £109, select.

Cardiff.£158 per passenger.Departing Thu, 26 Mar, returning Wed, 1 Apr.Return flight with Ryanair and Vueling Airlines.Outbound indirect flight with Ryanair, departs from Porto on Thu, 26 Mar, arriving in Cardiff.Inbound indirect flight with Vueling Airlines, departs from Cardiff on Wed, 1 Apr, arriving in Porto.Price includes taxes and charges.From £158, select.

Cardiff.£172 per passenger.Departing Thu, 11 Jun, returning Thu, 25 Jun.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Porto on Thu, 11 Jun, arriving in Cardiff.Inbound indirect flight with Ryanair, departs from Cardiff on Thu, 25 Jun, arriving in Porto.Price includes taxes and charges.From £172, select.

Cardiff.£174 per passenger.Departing Mon, 23 Feb, returning Mon, 2 Mar.Return flight with Air Europa and Ryanair.Outbound indirect flight with Air Europa, departs from Porto on Mon, 23 Feb, arriving in Cardiff.Inbound indirect flight with Ryanair, departs from Cardiff on Mon, 2 Mar, arriving in Porto.Price includes taxes and charges.From £174, select.

Cardiff.£199 per passenger.Departing Fri, 3 Jul, returning Sun, 5 Jul.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Porto on Fri, 3 Jul, arriving in Cardiff.Inbound indirect flight with Ryanair, departs from Cardiff on Sun, 5 Jul, arriving in Porto.Price includes taxes and charges.From £199, select.

Cardiff.£224 per passenger.Departing Sat, 14 Nov, returning Mon, 16 Nov.Return flight with KLM.Outbound indirect flight with KLM, departs from Porto on Sat, 14 Nov, arriving in Cardiff.Inbound indirect flight with KLM, departs from Cardiff on Mon, 16 Nov, arriving in Porto.Price includes taxes and charges.From £224, select.

Find the cheapest month to fly from Porto to Cardiff

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Porto to Cardiff flights are currently cheapest in March.

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Porto to Cardiff: Alternative routes

Compare routes from Porto to Cardiff below. You may find an airport to fly into that's cheaper, faster, or easier than Cardiff.

Porto to Cardiff: Flight information

The things to know before you go.

Cheapest flight found	£98
Cheapest month to fly	March

Finding cheap flights from Porto to Cardiff: Frequently asked questions

How much are return flights from Porto to Cardiff?

The best price we found for a return flight from Porto to Cardiff is £98. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Porto to Cardiff?

Currently, there are no airlines that fly direct from Porto to Cardiff. But we found flights with one or more stops from £98.

How many flights are there a week from Porto to Cardiff?

As of February 2026, there are no flights flying from Porto to Cardiff.

When is the cheapest time to fly from Porto to Cardiff?

The cheapest month to fly from Porto to Cardiff is usually March.

Which upcoming date is cheapest to fly from Porto Airport to Cardiff Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Airport to Cardiff Airport on Saturday, 14 March 2026.

Can I get a direct flight from Porto Airport to Cardiff Airport?

No airlines currently offer direct flights between Porto Airport and Cardiff Airport. Most routes have one or more stops.

How can I find the best flight deal to Cardiff?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Cardiff but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Cardiff?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Cardiff is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Porto Airport to Cardiff with?

Currently, Ryanair offers the cheapest flight tickets to Cardiff.

Flying from Porto Airport (OPO) to Cardiff Airport (CWL): what you need to know

Porto and Cardiff are both in the UTC+0 timezone. That means there's no time difference to consider.
To ensure you catch your OPO to CWL flight, leave enough time to check in and find your gate. Turning up two hours ahead of international departures and an hour before domestic flights is the general rule.
You can expect longer queues in popular months like August. Arriving up to four hours ahead of an international flight and two hours for domestic departures is a wise move.
We make it a piece of cake to book a flight with a stopover. To see all your options for tickets from Porto Airport to Cardiff Airport, uncheck 'Direct flights only.' Then, pick a flight offering a stop long enough to tour your chosen city. Stopovers between OPO and CWL include:
- Dublin Airport
- Amsterdam Airport Schiphol
- Alicante-Elche Airport

How to find the cheapest flights from Porto Airport (OPO) to Cardiff Airport (CWL)

£36 is the lowest price for a one-way Porto Airport to Cardiff Airport flight. Return flights start at £98. These fares may change depending on demand.
Don't leave things to the last minute. You're more likely to find cheap tickets from OPO to CWL if you book in advance. Airlines often offer some terrific early bird rates.
If you can be flexible with your travel plans, try using the 'Whole month' search tool. It'll show you the lowest price in every month when searching for your flight from Porto Airport to Cardiff Airport.
Landing cheap flights from OPO to CWL is easy with Price Alerts. Simply set up one of these automatic alerts and we'll notify you when there's a better deal.
Secure the ideal flight for you with the help of the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Porto Airport to Cardiff Airport, use the 'Sort by' function. You can also filter by departure and arrival times, airline, and journey duration.

Handy information about Porto Airport (OPO)

When it comes to the on-time performance of Porto Airport, 74.49% of flights arrive within the scheduled timeframe.
To reach Porto Airport from central Porto, it takes around 20 minutes if you're travelling by car. Of course, this depends on traffic conditions. It's approximately 10 miles from the airport to the city centre.
Planning to catch public transport? Expect a trip time of around 50 minutes.
Have an early flight from Porto Airport to Cardiff Airport? Avoid rushing to the airport (and sneak in some extra precious sleep) by picking one of these hotels close to OPO:

Arriving at Cardiff Airport (CWL)

The last thing you need is a lengthy journey to your hotel if you're landing late on a Porto Airport to Cardiff Airport flight. Check in to one of these accommodation options near CWL instead:
Begin your adventure by picking up a Cardiff Airport rental car. Grab a set of wheels from Europcar, Keddy By Europcar or Enterprise to explore Cardiff and beyond.
Lock in the best deal by booking your vehicle from Cardiff Airport about four weeks before your trip.

Getting from Cardiff Airport (CWL) to central Cardiff

Cardiff Airport is approximately 17 miles from central Cardiff. The drive time takes around 30 minutes.
It takes roughly 1 hour 5 minutes to get there by public transport.

When to fly to Cardiff Airport (CWL)

June is the most popular month for flights from Porto Airport to Cardiff Airport. For smaller crowds, head to Cardiff in April.
The warmest month in Cardiff is July, with temperatures ranging between 11ºC (52ºF) and 22ºC (72ºF). Lock in your flights from Porto Airport to Cardiff Airport in this month if this is the kind of weather you like.
Look for cheap tickets from OPO to CWL in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

Explore more of United Kingdom

London is just one of the many places in United Kingdom waiting to be discovered once you've seen Cardiff. Around 130 miles away to the east, top sights here include Big Ben, The British Museum and Buckingham Palace.
Birmingham is another favourite destination in United Kingdom and is around 90 miles north-east of Cardiff. No journey is complete without a visit to Cadbury World, The Library of Birmingham and National Sea Life Centre.