Trip.com
>
Cheap Flights
>
Portugal
>
Porto District
>
Porto
Hotels in Porto
>
Flights from Cardiff to Porto

What to know about flights from Cardiff to Porto?

The distance between Cardiff and Porto is approximately 1,201.04km. According to Trip.com data, travel demand is highest in July.

Cheapest one-way
£153
KLM KLM CWL-OPO 12h 10m · 1 stop Wed, Nov 18
Book Now
Cheapest return
£220
KLM KLM CWL-OPO 17h · 2 stops Fri, Nov 27 - Sun, Nov 29
Book Now
Recommended airlines
KLM KLM Cheapest · From £153
Best time to book
September
Cheapest
July
Peak season for travel
Route details
1,201.04km
Flight distance

Explore the cheapest one-way and round-trip flights from Cardiff to Porto over the next 90 days, with one-way fares from £153 and round-trip from £220. Based on Trip.com's latest 7-day flight data.

    • CWL 17:30
      17h
      1 stop
      OPO 10:30
      Cardiff - Porto | Fri, Nov 27 | KLM
      OPO 11:15
      22h 35m
      1 stop
      CWL 09:50
      Porto - Cardiff | Sun, Nov 29 | KLM
      £220 £298
      26% off
      26% off
      £298 £220
    • CWL 17:30
      17h
      1 stop
      OPO 10:30
      Cardiff - Porto | Thu, Dec 3 | KLM
      OPO 16:10
      17h 40m
      1 stop
      CWL 09:50
      Porto - Cardiff | Mon, Dec 7 | KLM
      £220 £298
      26% off
      26% off
      £298 £220
    • CWL 10:20
      24h 10m
      1 stop
      OPO 10:30
      Cardiff - Porto | Sat, Dec 12 | KLM
      OPO 16:10
      17h 40m
      1 stop
      CWL 09:50
      Porto - Cardiff | Mon, Dec 14 | KLM
      £220 £298
      26% off
      26% off
      £298 £220
    • CWL 17:30
      5h
      1 stop
      OPO 22:30
      Cardiff - Porto | Tue, Nov 17 | KLM
      OPO 11:15
      22h 35m
      1 stop
      CWL 09:50
      Porto - Cardiff | Sat, Nov 21 | KLM
      £220
      26% off
      £298 £220
    • CWL 17:30
      17h
      1 stop
      OPO 10:30
      Cardiff - Porto | Wed, Nov 18 | KLM
      OPO 11:15
      22h 35m
      1 stop
      CWL 09:50
      Porto - Cardiff | Sun, Nov 22 | KLM
      £220
      26% off
      £298 £220
    • CWL 10:20
      12h
      1 stop
      OPO 22:20
      Cardiff - Porto | Sun, Dec 6 | KLM
      OPO 16:10
      17h 35m
      1 stop
      CWL 09:45
      Porto - Cardiff | Tue, Dec 8 | KLM
      £220
      26% off
      £298 £220
    • CWL 17:30
      17h
      1 stop
      OPO 10:30
      Cardiff - Porto | Sat, Nov 21 | KLM
      OPO 05:00
      4h 50m
      1 stop
      CWL 09:50
      Porto - Cardiff | Mon, Nov 23 | KLM
      £220
      26% off
      £298 £220
    • CWL 10:20
      24h 10m
      1 stop
      OPO 10:30
      Cardiff - Porto | Fri, Dec 11 | KLM
      OPO 11:15
      22h 35m
      1 stop
      CWL 09:50
      Porto - Cardiff | Wed, Dec 16 | KLM
      £220
      26% off
      £298 £220
    • CWL 17:30
      17h
      1 stop
      OPO 10:30
      Cardiff - Porto | Fri, Dec 4 | KLM
      OPO 11:15
      22h 35m
      1 stop
      CWL 09:50
      Porto - Cardiff | Mon, Dec 7 | KLM
      £220
      26% off
      £298 £220
    • CWL 13:00
      17h 25m
      1 stop
      OPO 14:00
      Cardiff - Porto | Fri, Oct 16 | Normal Airline
      OPO 15:00
      6h
      Direct
      CWL 16:00
      Porto - Cardiff | Sun, Oct 18 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest
      CWL 10:20
      12h 10m
      1 stop
      OPO 22:30
      Cardiff - Porto | Wed, Nov 18 | KLM
      £153 £211
      27% off
      27% off
      £211 £153
    • Cheapest
      CWL 10:20
      24h 10m
      1 stop
      OPO 10:30
      Cardiff - Porto | Wed, Dec 2 | KLM
      £153 £211
      27% off
      27% off
      £211 £153
    • CWL 17:30
      17h
      1 stop
      OPO 10:30
      Cardiff - Porto | Sun, Nov 22 | KLM
      £154 £211
      27% off
      27% off
      £211 £154
    • CWL 10:20
      5h 5m
      1 stop
      OPO 15:25
      Cardiff - Porto | Thu, Nov 19 | KLM
      £154
      27% off
      £211 £154
    • CWL 17:30
      5h
      1 stop
      OPO 22:30
      Cardiff - Porto | Thu, Nov 12 | KLM
      £155
      27% off
      £211 £155
    • CWL 17:30
      5h
      1 stop
      OPO 22:30
      Cardiff - Porto | Fri, Nov 27 | KLM
      £155
      27% off
      £211 £155
    • CWL 10:20
      5h 5m
      1 stop
      OPO 15:25
      Cardiff - Porto | Mon, Nov 9 | KLM
      £155
      27% off
      £211 £155
    • CWL 17:30
      5h
      1 stop
      OPO 22:30
      Cardiff - Porto | Tue, Nov 10 | KLM
      £155
      27% off
      £211 £155
    • CWL 10:20
      12h 10m
      1 stop
      OPO 22:30
      Cardiff - Porto | Wed, Nov 11 | KLM
      £155
      27% off
      £211 £155
    • CWL 13:00
      17h 25m
      1 stop
      OPO 14:00
      Cardiff - Porto | Fri, Oct 16 | Normal Airline
      Find more flights
      Find more flights

Displayed flight fares from Cardiff to Porto are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight FAQs

  • Which airlines offer the cheapest flights from Cardiff to Porto?

    Based on Trip.com data, KLM offers Cheapest nonstop one-way flights from £153 (for example, CWL–OPO on Wed, Nov 18). For a Cheapest nonstop return flight, KLM offers fares from £220, departing on Fri, Nov 27 and returning on Sun, Nov 29.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Cardiff to Porto is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Here are some tips for finding the best flight deals from Cardiff to Porto on Trip.com:
    · Be flexible with your travel dates. The cheapest flight is currently on Wed, Nov 18, with one-way fares from just £153.
    · Compare airlines. KLM currently offers the lowest fares on this route.
    · Set up a price alert to track fare changes without searching every day.
    · Check Trip.com regularly for flight deals and available promo codes.
    · Avoid peak season or book early. July is generally the busiest month for travel to Porto.
    · Get exclusive promo codes on the Trip.com app.
  • The cheapest month to book a flight from Cardiff to Porto is usually September, when demand is lower.
  • After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Cardiff to Porto on October 29, 2026 with KLM Royal Dutch Airlines, with prices starting at £236.
  • The time difference between Porto and Cardiff is 0m.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Cardiff to Porto is £201. Fares vary by travel date, airline and availability.
  • Enter Cardiff and Porto, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveller details and complete payment to receive your confirmation.

More Flight Itineraries

Note: Prices shown on this page are the estimated lowest prices and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please visit the customer support pages.