Q: How much does it cost for a return flight from London to Cardiff?

Airfare is below average for this route at the moment. London to Cardiff flights typically cost between £229 and £468 in September. The cheapest return flight price found within the last 3 days was £108 on Ryanair (20 Sept-22 Sept).

Question 1

What’s the cheapest stopover airport for flights from London to Cardiff?

Accepted Answer

Dublin (DUB) is the most affordable one-stop option, with an average return flight price of £129.

Question 2

What’s the top stopover airport for flights from London to Cardiff?

Accepted Answer

Amsterdam (AMS) – chosen by Cheapflights users on 68% of one-stop itineraries from London to Cardiff on Cheapflights.

Question 3

What’s the fastest stopover option from London to Cardiff?

Accepted Answer

Flights via Belfast (BHD) have the shortest average one-way travel time for one-stop routes: 3h 36m.

Question 4

How much does it cost for a return flight from London to Cardiff?

Accepted Answer

Airfare is below average for this route at the moment.London to Cardiff flights typically cost between £229 and £468 in September.
The cheapest return flight price found within the last 3 days was £108 on Ryanair (20 Sept-22 Sept).

Question 5

Which airport typically offers the quickest stopover for flights from London to Cardiff?

Accepted Answer

Flights via Belfast (BHD) offer the fastest connection on this route, with an average stopover time of 1h 23m.

Question 6

How long is the flight from London to Cardiff?

Accepted Answer

There are many flights that can get you from London to Cardiff in 8h 05m. Fly via Ryanair or KLM to get the fastest option. The distance between London and Cardiff is about 146 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

Question 7

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

Accepted Answer

Currently priced at £194, KLM will fly you from London to Cardiff and back. In addition to KLM, many other airlines offer competitively priced options for your trip. This flight start at 31% lower than the current average price 3 months from now.

Question 8

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

Accepted Answer

Currently, July is the cheapest month in which you can book a flight from London to Cardiff (average of £169). Flying from London to Cardiff in December is currently the most expensive (average of £263). 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.

Question 9

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

Accepted Answer

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

Question 10

E

Accepted Answer

In terms of precipitation, rainfall in Cardiff ranges from 50.0 - 90.0 inches per month. January is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Cardiff when rainfall is around 50.0 mm.

Question 11

E

Accepted Answer

If weather is an important factor for your trip to Cardiff, 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 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

Question 12

What are the most popular routes from London to Cardiff?

Accepted Answer

While some choose either London City - Cardiff Wales or London Gatwick - Cardiff Wales, London Heathrow - Cardiff Wales is the most popular route from London to Cardiff.

Question 13

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

Accepted Answer

Wednesday flights are found to be more expensive to fly from London to Cardiff. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Cardiff.

Question 14

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

Accepted Answer

January is one of the best times of the year to fly to Cardiff from London. Prices for January average £285 per person but you can even find prices for as low as £87. The most expensive prices can be found in the month of December. Opting for a January flight can save you 92% on your journey compared to booking in December

Question 15

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

Accepted Answer

It’s typically best to fly out from London to Cardiff at midday. Doing so could potentially save you 57% on the flight price compared to flying in the afternoon, which is usually more expensive.

Question 16

What airport do you fly into for flights to Cardiff from London?

Accepted Answer

Most people fly into Cardiff Wales (CWL) if they book a flight to Cardiff from London. On average, Cardiff Wales has 0 inbound flights from London per day from 1 airline. Cardiff Wales is conveniently located just 9.1 mi from Cardiff’s city center.

Question 17

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

Accepted Answer

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

Question 18

How can I find direct flights from London to Cardiff?

Accepted Answer

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

Question 19

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

Accepted Answer

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

Question 20

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

Accepted Answer

Cheapflights makes it easy to find London to Cardiff flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Question 21

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

Accepted Answer

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Cardiff for you. Better yet — we are completely free to use.

Question 22

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

Accepted Answer

Yes! Cheapflights helps users easily find flights from London to Cardiff with no change fees.

Question 23

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

Accepted Answer

Not ready to book yet? You can track prices for flights from London to Cardiff on Cheapflights with our Price Alert feature and get notified when better prices are available.

Round-trip from	£108
One-way from	£55
Popular in	December
Cheapest in	January
Average price	£333

Cheap flights from London to Cardiff from £55

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.

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Find flight deals from London to Cardiff

Cheapest flights from London to CardiffExplore the most affordable flight options available from London to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 August 2025.

Explore the most affordable flight options available from London to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 August 2025.

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Best time to book a flight from London to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from London with our price prediction graph.

Cheapflights Insights

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

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

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

Find hourly flight availability from London to Cardiff. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 August 2025.

How much does it cost for a return flight from London to Cardiff?

What’s the top stopover airport for flights from London to Cardiff?

Share of one-stop return flights from London to Cardiff chosen by Cheapflights users in the past 12 months, using the same stopover each way.

What’s the cheapest stopover airport for flights from London to Cardiff?

Average return fare for one-stop flights from London to Cardiff, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

What’s the fastest stopover option from London to Cardiff?

Shortest average travel time for one-stop one-way flights from London to Cardiff, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Which airport typically offers the quickest stopover for flights from London to Cardiff?

Average stopover duration for one-stop one-way flights from London to Cardiff, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing Cardiff

Check out reviews from past customers who have flown with KLM and Ryanair from London to Cardiff to help guide your decision. You can also see how each airline stacks up 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 London to Cardiff. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Cardiff from London?

How long is the flight from London to Cardiff?

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

What are the most popular routes from London to Cardiff?

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

How can I find direct flights from London to Cardiff?

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

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

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

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

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

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

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Cheapest flights from London to Cardiff
Explore the most affordable flight options available from London to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 August 2025.