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Cheap flights from Cardiff to Porto from £77

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cardiff to Porto departing on 23/11. 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 Cardiff to Porto

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:30 - 19:35CWL-OPO
9h 05m2 stops
Multiple Airlines Logo
06:35 - 16:55OPO-CWL
10h 20m1 stop
£250Multiple Airlines
Find Deal
Thu, 18 Dec - Thu, 25 Dec
Multiple Airlines Logo
16:30 - 07:45CWL-OPO
15h 15m2 stops
Multiple Airlines Logo
11:15 - 15:40OPO-CWL
28h 25m3 stops
£253Multiple Airlines
Find Deal
Thu, 18 Dec - Thu, 25 Dec
Multiple Airlines Logo
10:30 - 07:45CWL-OPO
21h 15m2 stops
Multiple Airlines Logo
21:55 - 15:40OPO-CWL
17h 45m2 stops
£253Multiple Airlines
Find Deal
Thu, 18 Dec - Thu, 25 Dec
Multiple Airlines Logo
10:30 - 07:45CWL-OPO
21h 15m3 stops
Multiple Airlines Logo
11:15 - 15:40OPO-CWL
28h 25m3 stops
£313Multiple Airlines
Find Deal
Thu, 18 Dec - Thu, 25 Dec
Multiple Airlines Logo
16:30 - 14:50CWL-OPO
22h 20m1 stop
Multiple Airlines Logo
11:15 - 09:50OPO-CWL
22h 35m1 stop
£330Multiple Airlines
Find Deal
Thu, 18 Dec - Thu, 25 Dec
KLM Logo
09:50 - 18:10CWL-OPO
8h 20m1 stop
KLM Logo
18:55 - 09:15OPO-CWL
14h 20m1 stop
£388KLM
Find Deal
Sun, 29 Mar - Mon, 30 Mar
KLM Logo
09:50 - 15:35CWL-OPO
5h 45m1 stop
KLM Logo
18:55 - 09:15OPO-CWL
14h 20m1 stop
£389KLM
Find Deal
Sun, 29 Mar - Mon, 30 Mar

KLM flights from Cardiff to Porto

Our best KLM deals on Cardiff to Porto flight tickets
KLM
29 Mar
CWL09:50Cardiff Wales
8h 20m
1 stop
OPO18:10Porto
30 Mar
OPO18:55Porto
14h 20m
1 stop
CWL09:15Cardiff Wales
£388
Find similar
KLM
29 Mar
CWL09:50Cardiff Wales
5h 45m
1 stop
OPO15:35Porto
30 Mar
OPO18:55Porto
14h 20m
1 stop
CWL09:15Cardiff Wales
£389
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Cardiff 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 279,928 searches. Data last updated 4 November 2025.
Use the filters below to find and compare flights from Cardiff to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CardiffPorto

CWL - OPO

CWLOPO

Cardiff Wales

Thu 18/12

10:30-19:35

2 stops9h 05m

Porto

Thu 25/12

06:35-16:55

1 stop10h 20m

£250

CardiffPorto

CWL - OPO

CWLOPO

Cardiff Wales

Thu 18/12

16:30-07:45

2 stops15h 15m

Porto

Thu 25/12

11:15-15:40

3 stops28h 25m

£253

CardiffPorto

CWL - OPO

CWLOPO

Cardiff Wales

Thu 18/12

10:30-07:45

2 stops21h 15m

Porto

Thu 25/12

21:55-15:40

2 stops17h 45m

£253

CardiffPorto

CWL - OPO

CWLOPO

Cardiff Wales

Thu 18/12

10:30-07:45

3 stops21h 15m

Porto

Thu 25/12

11:15-15:40

3 stops28h 25m

£313

CardiffPorto

CWL - OPO

CWLOPO

Cardiff Wales

Thu 18/12

16:30-14:50

1 stop22h 20m

Porto

Thu 25/12

11:15-09:50

1 stop22h 35m

£330

CardiffPorto

CWL - OPO

CWLOPO

Cardiff Wales

Sun 29/3

09:50-18:10

1 stop8h 20m

Porto

Mon 30/3

18:55-09:15

1 stop14h 20m

£388

CardiffPorto

CWL - OPO

CWLOPO

Cardiff Wales

Sun 29/3

09:50-15:35

1 stop5h 45m

Porto

Mon 30/3

18:55-09:15

1 stop14h 20m

£389

CardiffPorto

CWL - OPO

CWLOPO

Cardiff Wales

Sun 23/11

18:25-13:35

1 stop19h 10m

£77

CardiffPorto

CWL - OPO

CWLOPO

Cardiff Wales

Sat 6/12

20:05-14:05

2 stops18h 00m

£80

CardiffPorto

CWL - OPO

CWLOPO

Cardiff Wales

Sat 22/11

20:05-14:05

2 stops18h 00m

£81

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Porto from

How to get the cheapest flight ticket from Cardiff 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 day to depart on your flight to Porto?

According to our data, Tuesday is the cheapest day to fly to Porto from Cardiff. The lowest ticket price found for a Tuesday departure recently was £205. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around £387. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

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

Our data shows that the cheapest Cardiff to Porto flights are usually those with departure times in the afternoon. Our users have found flights to Porto in the afternoon for as low as £281. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £288 on average. Flights to Porto from Cardiff in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

When to book flights from Cardiff to Porto

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

Cheap Cardiff to Porto (CWL to OPO) flight deals and tips

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

Direct flights

None
There are no direct flights from Cardiff to Porto. There are no popular flight routes from Cardiff to Porto.
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  • How far is Cardiff Wales to Porto by plane?

    Porto is 758.0 mi away from Cardiff Wales. By plane, this route typically takes 5h 45m.

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

    Prices for flights from Cardiff Wales Airport to Porto Airport are updated daily.

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

  • How old do you have to be to fly from Cardiff Wales Airport to Porto Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cardiff Wales 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 license 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 airline from Cardiff to Porto?

Best airlines flying from Cardiff to Porto

Compare and see reviews for airlines that fly from Cardiff to Porto with momondo
Airline
Rating
Free Cancellation
Price
easyJetPriceFrom £47Free CancellationRating
6.9
1,840 reviews
Search easyJet flights
KLMPriceFrom £202Free CancellationRating
7.7
1,405 reviews
Search KLM flights

Travelling to a place near Porto?

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

Why use momondo?

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

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

Yes. momondo allows you to filter the results for Cardiff to Porto flights to just show those with flexible booking policies.

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

Once you have performed a search for Cardiff to Porto flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Porto, momondo offers a useful price alert feature which will track prices for flights to Porto from Cardiff and alert you when they change.

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