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Cheap flights from Cardiff to Porto from £135

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — OPO
12 Dec — 19 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cardiff to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 November 2025.

Round-trip from

£157

One-way from

£135
Ryanair
  • Ryanair
  • 3/12-6/12
  • 2 total stops
  • 28h 10m total
  • Cardiff to Porto
Search Deals
7/5
  • 7/5
  • 2 total stops
  • 24h 35m total
  • Cardiff to Porto
Search Deals

Find flight deals from Cardiff to Porto

Enter your travel dates to find the best prices.

Cheapest flights from Cardiff to Porto
Explore the most affordable flight options available from Cardiff to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 November 2025.

Wed 3/1215:55CWL - OPO
1 stop23h 00mRyanair
Sat 6/1214:30OPO - CWL
1 stop5h 10mRyanair
Deal found 10/11£157
Wed 3/1219:10CWL - OPO
2 stops18h 30mMultiple Airlines
Sat 6/1213:00OPO - CWL
3 stops29h 00mMultiple Airlines
Deal found 11/11£223
Fri 14/1122:25CWL - OPO
2 stops18h 35mMultiple Airlines
Sun 16/1118:00OPO - CWL
2 stops29h 05mMultiple Airlines
Deal found 11/11£226
Sat 27/1220:15CWL - OPO
1 stop14h 05mMultiple Airlines
Sat 3/108:20OPO - CWL
1 stop7h 45mMultiple Airlines
Deal found 12/11£324

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 12 November 2025.
Use the filters below to find and compare flights from Cardiff to Porto that are best for you.

Fly from

Cardiff

Fly to

Porto

Route

Depart

Return

Price

CardiffPorto

CWL - OPO

CWLOPO

Cardiff Wales

Wed 3/12

15:55-14:55

1 stop23h 00m

Porto

Sat 6/12

14:30-19:40

1 stop5h 10m

£157

CardiffPorto

CWL - OPO

CWLOPO

Cardiff Wales

Wed 3/12

19:10-13:40

2 stops18h 30m

Porto

Sat 6/12

13:00-18:00

3 stops29h 00m

£223

CardiffPorto

CWL - OPO

CWLOPO

Cardiff Wales

Sat 27/12

20:15-10:20

1 stop14h 05m

Porto

Sat 3/1

08:20-16:05

1 stop7h 45m

£324

CardiffPorto

CWL - OPO

CWLOPO

Cardiff Wales

Thu 25/12

17:25-22:25

1 stop5h 00m

Porto

Thu 1/1

06:35-16:55

1 stop10h 20m

£336

CardiffPorto

CWL - OPO

CWLOPO

Cardiff Wales

Thu 7/5

22:25-23:00

2 stops24h 35m

£135

CardiffPorto

CWL - OPO

CWLOPO

Cardiff Wales

Thu 7/5

16:55-07:25

1 stop14h 30m

£137

Flights are sorted by cheapest return flights first.

Deals found on 12/11

Best time to book a flight from Cardiff to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Cardiff with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Cardiff to Porto

What is the cheapest month to book a flight from Cardiff to Porto?

Currently, November is the cheapest month in which you can book a flight from Cardiff to Porto (average of £15). Flying from Cardiff to Porto in July is currently the most expensive (average of £65). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated 12 November 2025.
Read reviews from past customers who have flown with KLM and easyJet from Cardiff to Porto. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,410 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,410 reviews
KLM
7.7
Good
1,410 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
easyJet
6.9
Okay
1,842 reviews
KLM
7.7
Good
1,410 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Cardiff to Porto?

    Airlines like Ryanair fly from Cardiff to Porto in about 23h. The time it takes to get you to your destination can typically vary by up to . Cardiff and Porto are separated by a distance of 745 mi.

  • What are the cheapest airlines flying from Cardiff to Porto round-trip?

    Flying on easyJet is currently your cheapest option to Porto, with prices starting at £47. Another option worth looking into is KLM, starting at £201 return.

  • Can I find deals for flights from Cardiff to Porto that include hotel bookings?

    Yes. In addition to deals on Cardiff to Porto flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cardiff to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Porto.

  • Can I find deals for business class flights from Cardiff to Porto?

    Yes. Cheapflights offers flight deals from Cardiff to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Cardiff to Porto?

    Currently, November is the cheapest month in which you can book a flight from Cardiff to Porto (average of £15). Flying from Cardiff to Porto in July is currently the most expensive (average of £65). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Coimbra
Guimarães
Chaves
Viseu
Vila Nova de Gaia
Aveiro

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Cardiff to Porto

Discover the top 2 airlines that operate flights from Cardiff to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 November 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£47Average£107FlexibilityNo cancel feeOn-time86%
Search easyJet flights
KLMCheapest£201Average£365FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Cardiff to Porto?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Cardiff to Porto. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Cardiff to Porto?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Porto from Cardiff.

Can Cheapflights find flights from Cardiff to Porto with no change fees?

Certainly. Search results for flights to Porto from Cardiff shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Cardiff to Porto become cheaper?

Yes! Start tracking prices for Cardiff to Porto flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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