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

Airfare is below average for this route at the moment. Cardiff to London flights typically cost between £201 and £301 in October. The cheapest return flight price found within the last 3 days was £109 on Multiple Airlines (7 Oct-8 Oct).

Question 1

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

Accepted Answer

Flights via Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 4h 11m.

Question 2

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

Accepted Answer

Amsterdam (AMS) – chosen by Cheapflights users on 76% of one-stop itineraries from Cardiff to London on Cheapflights.

Question 3

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

Accepted Answer

Dublin (DUB) is the most affordable one-stop option, with an average return flight price of £107.

Question 4

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

Accepted Answer

Flights via Belfast (BHD) offer the fastest connection on this route, with an average stopover time of 1h 51m.

Question 5

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

Accepted Answer

Airfare is below average for this route at the moment.Cardiff to London flights typically cost between £201 and £301 in October.
The cheapest return flight price found within the last 3 days was £109 on Multiple Airlines (7 Oct-8 Oct).

Question 6

How long is the flight from Cardiff to London?

Accepted Answer

Departing from Cardiff to London will take you 7h 50m. Cardiff and London are separated by a distance of 132 mi.

Question 7

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

Accepted Answer

Flying on KLM is currently your cheapest option to London, with prices starting at £219. KLM is priced at 31% lower than the current average price of a flight leaving 3 months from now.

Question 8

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

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Cardiff to London (average of £112). Flying from Cardiff to London in August is currently the most expensive (average of £164). 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 Cardiff to London?

Accepted Answer

Travellers seeking maximum savings on their Cardiff to London flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday afternoons 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 London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Question 11

E

Accepted Answer

If weather is an important factor for your trip to London, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Question 12

What are the most popular routes from Cardiff to London?

Accepted Answer

The most popular route from Cardiff to London is Cardiff Wales - London Heathrow. You may also consider Cardiff Wales - London Gatwick or Cardiff Wales - London Luton.

Question 13

What are the cheapest flights from Cardiff to London?

Accepted Answer

While on average a flight from Cardiff to London is generally £588, our data shows the cheapest flight currently is £537. When looking at the most popular route, (Cardiff Wales - London Heathrow), you can expect to pay £157 for that flight.

Question 14

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

Accepted Answer

Flying to your destination on a Wednesday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to London. Check prices with Cheapflights to find a great deal for your trip.

Question 15

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

Accepted Answer

May is one of the best times of the year to fly to London from Cardiff. Prices for May average £319 per person but you can even find prices for as low as £106. The most expensive prices can be found in the month of June. Opting for a May flight can save you 82% on your journey compared to booking in June

Question 16

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

Accepted Answer

A simple way to save on the total cost of your ticket is to fly from Cardiff to London in the morning. If you’re flexible enough to do this you can expect to save up to 46% on your trip compared to booking a flight in the afternoon.

Question 17

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

Accepted Answer

Cardiff Wales (CWL) is the airport you will fly out of if you book a flight from Cardiff to London. You should not have trouble finding flights to London from Cardiff Wales; the airport handles an average of 0 outbound flights to London per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Cardiff airport to London. It is only a 9.1 mi journey to Cardiff Wales (CWL) from Cardiff’s city center.

Question 18

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

Accepted Answer

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

Question 19

How can I find direct flights from Cardiff to London?

Accepted Answer

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

Question 20

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

Accepted Answer

Yes. Cheapflights offers flight deals from Cardiff to London 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 21

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

Accepted Answer

Deals for Cardiff to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Question 22

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

Accepted Answer

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 London from Cardiff.

Question 23

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

Accepted Answer

Need flexible booking options for your flight to London from Cardiff? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Question 24

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

Accepted Answer

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

Round-trip from	£109
One-way from	£50
Popular in	June
Cheapest in	May
Average price	£236
Good round-trip deal	£538 or less

Cheap flights from Cardiff to London from £50

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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Cardiff to London

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Find flight deals from Cardiff to London

Cheapest flights from Cardiff to LondonExplore the most affordable flight options available from Cardiff to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 September 2025.

Explore the most affordable flight options available from Cardiff to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 September 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Cardiff to London

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

Cheapflights Insights

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

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

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

Find hourly flight availability from Cardiff to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 September 2025.

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

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

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

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

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

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

Shortest average travel time for one-stop one-way flights from Cardiff to London, 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 Cardiff to London?

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

Reviews of airlines servicing London

Read reviews from past customers who have flown with KLM from Cardiff to London. 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 London. 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 from for flights from Cardiff to London?

How long is the flight from Cardiff to London?

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

What are the most popular routes from Cardiff to London?

What are the cheapest flights from Cardiff to London?

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

How can I find direct flights from Cardiff to London?

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

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

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Top airline flying from Cardiff to London

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

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

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

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

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Cheapest flights from Cardiff to London
Explore the most affordable flight options available from Cardiff to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 September 2025.