How long is the flight from Cardiff to Porto?

Airlines like KLM fly from Cardiff to Porto in about 17h 05m. 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 is the cheapest airline to fly from Cardiff to Porto round-trip?

Flying on KLM is currently your cheapest option to Porto, with prices starting at £195. Users have found that KLM is 33% cheaper than the other options available to this destination.

What is the cheapest day to fly from Cardiff to Porto?

Travellers seeking maximum savings on their Cardiff to Porto flight should consider departing on Sunday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Porto ranges from 18.0 - 195.0 inches per month. December is typically the wettest month, when rainfall can reach 195.0 mm. July is typically the driest time to visit Porto when rainfall is around 18.0 mm.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

What is the cheapest day to fly round-trip from Cardiff to Porto?

Travelers have found that booking a Monday departure is the best way to save up to 88% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest month to fly from Cardiff to Porto?

Due to multiple factors, expect to potentially pay more when booking in September. For low rates, January can be a great choice for travel to Porto. Flights to Porto from Cardiff in January are about £293 on average during January, but can be found for as low as £196.

What is the cheapest time of day to fly from CWL to OPO?

It’s typically best to fly out from Cardiff to Porto at midday. Doing so could potentially save you 3% on the flight price compared to flying in the morning, which is usually more expensive.

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.

£67+ Flights from Cardiff to Porto

Cheap flight deals from Cardiff to Porto

Round-trip from	£236
One-way from	£67
Popular in	September
Cheapest in	January
Average price	£584

KLM
18/2-21/2
2 total stops
34h 45m total
Cardiff to Porto

Search Deals

21/10
1 total stop
25h 55m total
Cardiff to Porto

Search Deals

Highest demand for flights based on searches. 20% potential increase in price (£56 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 12% potential price decrease (£25 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Cardiff to Porto

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 September 2025.

Sat 4/1009:45CWL - OPO

2 stops10h 50mMultiple Airlines

Fri 10/1006:40OPO - CWL

1 stop10h 05mMultiple Airlines

Deal found 11/9£237

Sat 25/1016:50CWL - OPO

2 stops16h 20mMultiple Airlines

Sun 2/1105:30OPO - CWL

3 stops40h 35mMultiple Airlines

Deal found 11/9£240

Sun 26/1021:20CWL - OPO

1 stop14h 15mMultiple Airlines

Sun 2/1105:30OPO - CWL

3 stops40h 35mMultiple Airlines

Deal found 11/9£250

Sat 4/1009:45CWL - OPO

2 stops10h 50mAir France

Fri 10/1009:20OPO - CWL

2 stops7h 25mAir France

Deal found 11/9£251

Sun 26/1021:20CWL - OPO

1 stop14h 15mRyanair

Sun 2/1107:55OPO - CWL

1 stop13h 00mRyanair

Deal found 11/9£264

Sat 4/1009:45CWL - OPO

1 stop12h 30mKLM

Fri 10/1006:40OPO - CWL

1 stop10h 05mKLM

Deal found 11/9£284

Sat 25/1017:35CWL - OPO

1 stop17h 55mKLM

Sun 2/1105:00OPO - CWL

1 stop4h 50mKLM

Deal found 11/9£301

Best flights from Cardiff to Porto
Discover carefully curated flight deals from Cardiff to Porto that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2025.

Wed 18/217:25CWL - OPO

1 stop17h 05mKLM

Sat 21/216:10OPO - CWL

1 stop17h 40mKLM

Deal found 10/9£236

Sat 4/1009:45CWL - OPO

2 stops10h 50mMultiple Airlines

Fri 10/1006:40OPO - CWL

1 stop10h 05mMultiple Airlines

Deal found 11/9£237

Sat 4/1009:45CWL - OPO

2 stops10h 50mAir France

Fri 10/1009:20OPO - CWL

2 stops7h 25mAir France

Deal found 11/9£251

Sun 26/1021:20CWL - OPO

1 stop14h 15mRyanair

Sun 2/1107:55OPO - CWL

1 stop13h 00mRyanair

Deal found 11/9£264

Sat 25/1016:50CWL - OPO

2 stops16h 20mMultiple Airlines

Sun 2/1105:30OPO - CWL

3 stops40h 35mMultiple Airlines

Deal found 11/9£240

Sat 14/217:25CWL - OPO

1 stop5h 00mKLM

Tue 17/211:15OPO - CWL

1 stop5h 30mKLM

Deal found 10/9£244

Sat 14/217:25CWL - OPO

1 stop5h 00mKLM

Wed 18/211:15OPO - CWL

1 stop5h 40mKLM

Deal found 10/9£244

Sun 26/1021:20CWL - OPO

2 stops25h 00mMultiple Airlines

Sun 2/1105:30OPO - CWL

3 stops40h 35mMultiple Airlines

Deal found 11/9£255

Wed 18/217:25CWL - OPO

1 stop17h 05mKLM

Sun 22/216:10OPO - CWL

1 stop17h 40mKLM

Deal found 10/9£247

Thu 19/217:25CWL - OPO

1 stop5h 00mKLM

Sat 21/216:10OPO - CWL

1 stop17h 40mKLM

Deal found 10/9£263

Last-minute flights from Cardiff to Porto
Discover last-minute flight deals from Cardiff to Porto. Data last updated 12 September 2025 and is based on user searches.

Sat 4/1009:45CWL - OPO

2 stops10h 50mMultiple Airlines

Fri 10/1006:40OPO - CWL

1 stop10h 05mMultiple Airlines

Deal found 11/9£237

Sat 4/1009:45CWL - OPO

2 stops10h 50mAir France

Fri 10/1009:20OPO - CWL

2 stops7h 25mAir France

Deal found 11/9£251

Sat 4/1009:45CWL - OPO

1 stop12h 30mKLM

Fri 10/1006:40OPO - CWL

1 stop10h 05mKLM

Deal found 11/9£284

Sat 25/1016:50CWL - OPO

2 stops16h 20mMultiple Airlines

Sun 2/1105:30OPO - CWL

3 stops40h 35mMultiple Airlines

Deal found 11/9£240

Sat 25/1017:35CWL - OPO

1 stop17h 55mKLM

Sun 2/1105:00OPO - CWL

1 stop4h 50mKLM

Deal found 11/9£301

Sun 26/1021:20CWL - OPO

1 stop14h 15mMultiple Airlines

Sun 2/1105:30OPO - CWL

3 stops40h 35mMultiple Airlines

Deal found 11/9£250

Sun 26/1021:20CWL - OPO

1 stop14h 15mRyanair

Sun 2/1107:55OPO - CWL

1 stop13h 00mRyanair

Deal found 11/9£264

One-way flights from Cardiff to Porto
Search for one-way flight options from Cardiff to Porto. Find affordable one-way fares based on user searches. Data last updated 12 September 2025.

Tue 21/1020:20CWL - OPO

1 stop25h 55mMultiple Airlines

Deal found 10/9£67

Fri 10/1020:55CWL - OPO

1 stop12h 40mRyanair

Deal found 11/9£69

Sat 25/1016:50CWL - OPO

2 stops16h 20mMultiple Airlines

Deal found 11/9£99

Fri 10/1020:55CWL - OPO

3 stops24h 30mMultiple Airlines

Deal found 11/9£106

Sat 25/1016:50CWL - OPO

1 stop24h 00mRyanair

Deal found 11/9£111

Fly from

Fly to

Route

Depart

Return

Price

CardiffPorto

CWL - OPO

CWLOPO

Cardiff Wales

Wed 18/2

17:25-10:30

1 stop17h 05m

Porto

Sat 21/2

16:10-09:50

1 stop17h 40m

£236

CardiffPorto

CWL - OPO

CWLOPO

Cardiff Wales

Sat 4/10

09:45-20:35

2 stops10h 50m

Porto

Fri 10/10

06:40-16:45

1 stop10h 05m

£237

CardiffPorto

CWL - OPO

CWLOPO

Cardiff Wales

Sat 25/10

16:50-09:10

2 stops16h 20m

Porto

Sun 2/11

05:30-22:05

3 stops40h 35m

£240

CardiffPorto

CWL - OPO

CWLOPO

Cardiff Wales

Sat 14/2

17:25-22:25

1 stop5h 00m

Porto

Tue 17/2

11:15-16:45

1 stop5h 30m

£244

CardiffPorto

CWL - OPO

CWLOPO

Cardiff Wales

Sat 14/2

17:25-22:25

1 stop5h 00m

Porto

Wed 18/2

11:15-16:55

1 stop5h 40m

£244

CardiffPorto

CWL - OPO

CWLOPO

Cardiff Wales

Wed 18/2

17:25-10:30

1 stop17h 05m

Porto

Sun 22/2

16:10-09:50

1 stop17h 40m

£247

CardiffPorto

CWL - OPO

CWLOPO

Cardiff Wales

Sat 4/10

09:45-20:35

2 stops10h 50m

Porto

Fri 10/10

09:20-16:45

2 stops7h 25m

£251

CardiffPorto

CWL - OPO

CWLOPO

Cardiff Wales

Sun 26/10

21:20-22:20

2 stops25h 00m

Porto

Sun 2/11

05:30-22:05

3 stops40h 35m

£255

CardiffPorto

CWL - OPO

CWLOPO

Cardiff Wales

Thu 19/2

17:25-22:25

1 stop5h 00m

Porto

Sat 21/2

16:10-09:50

1 stop17h 40m

£263

CardiffPorto

CWL - OPO

CWLOPO

Cardiff Wales

Sun 26/10

21:20-11:35

1 stop14h 15m

Porto

Sun 2/11

07:55-20:55

1 stop13h 00m

£264

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 15 results

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, February is the cheapest month in which you can book a flight from Cardiff to Porto (average of £66). Flying from Cardiff to Porto in August is currently the most expensive (average of £258). 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

Read reviews from past customers who have flown with KLM 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

7.8

Good

1,385 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

KLM

7.8

Good

1,385 reviews

KLM

7.8

Good

1,385 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Related info for your journey

How long is the flight from Cardiff to Porto?
Airlines like KLM fly from Cardiff to Porto in about 17h 05m. 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 is the cheapest airline to fly from Cardiff to Porto round-trip?
Flying on KLM is currently your cheapest option to Porto, with prices starting at £195. Users have found that KLM is 33% cheaper than the other options available to this destination.
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, February is the cheapest month in which you can book a flight from Cardiff to Porto (average of £66). Flying from Cardiff to Porto in August is currently the most expensive (average of £258). 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

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Other flights to Porto

Top airline flying from Cardiff to Porto

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest£195	Average£292	FlexibilityNo cancel fee	On-time75%	Search KLM flights

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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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Cheap flights from Cardiff to Porto from £67

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 21/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Cardiff to Porto

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Cardiff to Porto

Cheapest flights from Cardiff to PortoExplore 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 September 2025.

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 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Cardiff to Porto that are best for you.

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.

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?

Reviews of airlines servicing Porto

Read reviews from past customers who have flown with KLM 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.

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?

What is the cheapest airline to fly from Cardiff to Porto round-trip?

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

How can I find direct flights from Cardiff to Porto?

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

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

Travelling to a place near Porto?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Cardiff to Porto

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Cardiff to Porto

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?

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

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

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

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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 September 2025.