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Cheap Flights from Cardiff (CWL) to London (LOND)

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Compare Cardiff to London flight deals

Find the cheapest month or even day of the year to fly to London

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Flight deals from Cardiff to London

Looking for a cheap last-minute deal or the best round-trip flight from Cardiff to London? Find the lowest prices on one-way and round-trip tickets right here.
London.$66 per passenger.Departing Wed, Jun 11.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Cardiff on Wed, Jun 11, arriving in London Gatwick.Price includes taxes and charges.From $66, select.
London.$73 per passenger.Departing Thu, Jul 10.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Cardiff on Thu, Jul 10, arriving in London Gatwick.Price includes taxes and charges.From $73, select.
London.$81 per passenger.Departing Tue, Sep 23.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departing from Cardiff on Tue, Sep 23, arriving in London Luton.Price includes taxes and charges.From $81, select.
London.$82 per passenger.Departing Tue, Aug 12.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departing from Cardiff on Tue, Aug 12, arriving in London Stansted.Price includes taxes and charges.From $82, select.
London.$108 per passenger.Departing Thu, Dec 11.One-way flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departing from Cardiff on Thu, Dec 11, arriving in London Luton.Price includes taxes and charges.From $108, select.
London.$109 per passenger.Departing Sun, Nov 30.One-way flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departing from Cardiff on Sun, Nov 30, arriving in London Luton.Price includes taxes and charges.From $109, select.
London.$113 per passenger.Departing Mon, Jan 5.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departing from Cardiff on Mon, Jan 5, arriving in London Heathrow.Price includes taxes and charges.From $113, select.
London.$115 per passenger.Departing Mon, Feb 16.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Cardiff on Mon, Feb 16, arriving in London Gatwick.Price includes taxes and charges.From $115, select.

Find the cheapest month to fly from Cardiff to London

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Cardiff to London flights are currently cheapest in June.
May
from $180
Jun
from $66
Jul
from $73
Aug
from $82
Sep
from $81
Oct
from $134
Nov
from $109
Dec
from $108
Jan
from $113
Feb
from $115
Mar
from $159
Apr
Find prices

Alternative Cardiff to London routes

Looking for the cheapest, fastest or easiest route from Cardiff to London? You could fly into the following airports instead.

Cardiff to London: Flight information

The things to know before you go.
Cheapest flight found$66
Cheapest month to flyJune

Finding cheap flights from Cardiff to London: Frequently asked questions

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.
The best price we found for a round-trip flight from Cardiff to London is $159. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Cardiff to London. But we found flights with one or more stops from $159.
There are no flights flying from Cardiff to London, as of May 2025.
The cheapest month to fly from Cardiff to London is usually May 2025.
If you're flying from Cardiff Airport, the cheapest airport near London is London Stansted – which is 30.2 miles away from the center of London. We've found flights to this airport from $159.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Cardiff Airport to London on Tuesday, July 8, 2025.
No airlines currently offer direct flights between Cardiff Airport and London. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 53°F. August is typically the warmest month in London, when it usually averages around 72°F. You can expect the least rain in March. The coldest month is January, with temperatures averaging 35°F. The rainiest month is October.
Currently, Ryanair offers the cheapest flight tickets to London.

Traveling from Cardiff Airport (CWL) to London: what you need to know

  • London's timezone is UTC+0, which is the same as Cardiff (the location of Cardiff Airport).

  • To avoid rushing for your CWL to London flight, leave plenty of time to navigate the airport and find your gate. Turning up two hours ahead of international departures and an hour before domestic flights is the standard rule.

  • Taking off during a peak period like a public holiday? Expect longer queues at check-in and security. Give yourself extra leeway and arrive up to four hours before international flights and two hours ahead of domestic departures.

  • Located around 9 miles from central Cardiff, CWL can be reached in about 30 minutes by car (depending on traffic). The journey on public transport will take roughly 1 hour 5 minutes.

  • Planning to catch an early flight from Cardiff Airport to London? Avoid the last-minute rush to the airport (and get some extra shut-eye) by choosing one of these stays near CWL:

  • When it comes to Cardiff Airport's on-time performance, data shows 66.16% of flights stick to their scheduled arrival time.

How to find the cheapest flights from Cardiff Airport (CWL) to London

  • $66 is the cheapest price we've found for a one-way Cardiff Airport to London flight. A round-trip plane ticket right now is $159. Depending on when you want to go and the availability, these fares can change.

  • Booking early is often the key to locking in a cheap flight from CWL to London. Prices tend to rise as demand increases, so the nearer your departure date, the more you'll likely pay.

  • Finding cheap tickets from Cardiff Airport to London is more likely if you're flexible with your trip dates. Try using the 'Whole month' search function to get the lowest fares across each month and land an awesome deal.

  • Spend less time searching for cheap flights from CWL to London by creating a Price Alert. You'll get an email or notification through the app when fares go down.

  • Snag an affordable flight from Cardiff Airport to London with the help of our filters. Select your ideal times, number of stops and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in London

London Heathrow Airport (LHR)

  • The distance from London Heathrow Airport (LHR) to central London is roughly 19 miles. It takes about 55 minutes to get to the center driving.

  • It takes around 1 hour if you're traveling by public transport.

  • Consider staying in a hotel near LHR if you're coming in on a late flight from Cardiff Airport to London. Choose one of these options and make arrival day easier:

  • Go where the road takes you with a London Heathrow Airport rental car. Book your wheels from Surprice, U-Save or Green Motion and experience more of London and beyond.

  • Lock in the best possible rate by reserving your vehicle from London Heathrow Airport about one week before your flight from CWL to London.

London Gatwick Airport (LGW)

  • Once your flight from Cardiff Airport to London has touched down, you can make your way to the city center in about 1 hour 20 minutes by car. Central London is roughly 50 miles from London Gatwick Airport (LGW).

  • If you travel by public transport, you'll get to the city center in 30 minutes or so.

  • Following your CWL to London flight, rest your head at a hotel near LGW. These are some great accommodation options that'll help you sink into relaxation mode:

  • Green Motion, U-Save and Drivalia make picking up a London Gatwick Airport rental car easy and quick. These trusted companies are located in or around the terminal and will get you on your way in no time.

  • Secure your first choice, not your last resort. Booking your ride from LGW three weeks in advance often means lower prices and a bigger choice of vehicles.

Stansted Airport (STN)

  • Stansted Airport (STN) is around 40 miles from the center of London. It'll take you about 1 hour to reach the city center in a ride-share or cab once you've hopped off your flight from Cardiff Airport to London.

  • If you're traveling on public transport, expect a journey of around 1 hour 25 minutes.

  • Enjoy a more relaxed start to your trip by staying at a hotel near STN after your CWL to London flight. Recover from your travel day or simply give yourself time to get your bearings in a new destination at:

  • Whether you're looking for a mini for a solo trip or a full-size SUV to transport your group, you'll find the right Stansted Airport rental car for you. Browse the types of wheels available here from names such as Green Motion, Drivalia and Europcar.

  • If you're looking for a specific kind of vehicle, book your ride from STN about four weeks before your flight from Cardiff Airport to London. This gives you a better shot at getting your preferred car, on top of a better deal.

Best time to go to London

  • Carefully consider your travel dates before securing your flight from Cardiff Airport to London. The city comes alive in high season, but hotel prices are often higher and attractions can be crowded. Visit London in low season if you prefer a more relaxed vibe.

  • When booking your Cardiff Airport to London plane ticket, think about what kind of weather works for you. July is the warmest month in London, with temperatures ranging from 52ºF to 79ºF.

  • If you want cooler conditions, search for a cheap ticket from CWL to London in January when temperatures average between 32ºF and 48ºF.

More about London

  • When it comes to searching for somewhere to rest your head, you'll find the best places to stay in London right here. Browse these hotels once you've booked your flight from Cardiff Airport to London:

  • Every great adventure has to include some sightseeing. The British Museum, Big Ben and Buckingham Palace are essential stops on your London itinerary.

Explore more of United Kingdom

  • Birmingham is just one of the many cities in United Kingdom waiting to be explored once you've taken in the sights of London. Around 100 miles away to the north-west, its best attractions include Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • Around 110 miles west of London, Bristol is another essential stop in United Kingdom. Experience major highlights starting with Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

More travel options

Plan the rest of your trip from Cardiff to London

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.