$229 Cheap Flights from Cardiff to London in 2025

Compare Cardiff to London flight deals

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Flight deals from Cardiff to London

Looking for a cheap last-minute deal or the best return flight from Cardiff to London? Find the lowest prices on one-way and return tickets right here.

London.$229 per passenger.Departing Tue, 3 Jun, returning Tue, 10 Jun.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Cardiff on Tue, 3 Jun, arriving in London Gatwick.Inbound indirect flight with Ryanair, departs from London Luton on Tue, 10 Jun, arriving in Cardiff.Price includes taxes and charges.From $229, select.

London.$304 per passenger.Departing Mon, 28 Apr, returning Mon, 5 May.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Cardiff on Mon, 28 Apr, arriving in London Stansted.Inbound indirect flight with Ryanair, departs from London Luton on Mon, 5 May, arriving in Cardiff.Price includes taxes and charges.From $304, select.

London.$373 per passenger.Departing Wed, 16 Apr, returning Fri, 18 Apr.Return flight with Aer Lingus and Ryanair.Outbound indirect flight with Aer Lingus, departs from Cardiff on Wed, 16 Apr, arriving in London Stansted.Inbound indirect flight with Ryanair, departs from London Stansted on Fri, 18 Apr, arriving in Cardiff.Price includes taxes and charges.From $373, select.

London.$612 per passenger.Departing Mon, 17 Mar, returning Tue, 18 Mar.Return flight with Aer Lingus and Vueling Airlines.Outbound indirect flight with Aer Lingus, departs from Cardiff on Mon, 17 Mar, arriving in London Luton.Inbound indirect flight with Vueling Airlines, departs from London Gatwick on Tue, 18 Mar, arriving in Cardiff.Price includes taxes and charges.From $612, 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.

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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	$229
Cheapest month to fly	June

Finding cheap flights from Cardiff to London: Frequently asked questions

How many airports are there in London?

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.

How much are return flights from Cardiff to London?

The best price we found for a return flight from Cardiff to London is $229. 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.

Which airlines fly direct from Cardiff to London?

Currently, there are no airlines that fly direct from Cardiff to London. But we found flights with one or more stops from $229.

How many flights are there a week from Cardiff to London?

As of March 2025, there are no flights flying from Cardiff to London.

When is the cheapest time to fly from Cardiff to London?

The cheapest month to fly from Cardiff to London is usually March 2025.

Which is the cheapest airport to fly into in London?

If you're flying from Cardiff Airport, the cheapest airport near London is London Gatwick – which is 40.3 km away from the centre of London. We've found flights into this airport from $229.

Which upcoming date is cheapest to fly from Cardiff Airport to London on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Cardiff Airport to London on Tuesday, 3 June 2025.

Can I get a direct flight from Cardiff Airport to London?

No airlines currently offer direct flights between Cardiff Airport and London. Most routes have one or more stops.

How can I get the best flight deal from Cardiff Airport to London?

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.

When is the best time to book flights to London?

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.

What’s the weather like in London?

In March, the average temperature is usually around 6°C. August is typically the warmest month in London, when it usually averages around 22°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 1°C. The rainiest month is October.

Which is the cheapest airline to fly from Cardiff Airport to London with?

Currently, Ryanair offers the cheapest flight tickets to London.

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

Cardiff (the location of Cardiff Airport) and London share the same timezone — UTC+0.
Give yourself plenty of time to make your flight from CWL to London. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.
You can expect longer lines during popular months such as June and other peak periods. Arriving up to fours hours ahead of an international flight and two hours for domestic departures is a good idea.
You don't need a visa or passport to travel within United Kingdom. You will need a valid form of identification however, such as a driver's licence or ID card. Add them to your packing list once you've booked cheap tickets from Cardiff Airport to London.
Located around 27 kilometres from central Cardiff, CWL can be reached in about 31 minutes by car (depending on traffic). The journey on public transport takes roughly 1 hour and 6 minutes.
Searching for a convenient hotel close to CWL? If you're boarding an early flight from Cardiff Airport to London, these stays will have you sleeping moments from check-in:

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

$156 is the lowest price we've seen for a one-way ticket from Cardiff Airport to London. For a return flight on this route, the best price is $229. Depending on when you want to go and the availability, these fares may change.
It's usually smart to book as early as possible if you're hoping to get cheap tickets from CWL to London. That's because airlines adjust prices based on demand, which tends to increase closer to the departure date.
The 'Whole month' search function shows you the cheapest tickets from Cardiff Airport to London across each month. It's the best way to snap up a bargain if your plans are flexible.
Snapping up a cheap ticket from CWL to London couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know when the price has fallen.
Use the filters to tailor your flights from Cardiff Airport to London. Pick your preferred departure and arrival times, number of stops and airlines. Or sort your results by 'Cheapest' to see the best deals.

Airports in London

London Heathrow Airport (LHR)

London Heathrow Airport (LHR) to central London is roughly 31 kilometres. It takes around 57 minutes to get to the centre driving.
Travelling to the centre by public transport will take you roughly 1 hour and 1 minute.
If you're arriving on a late flight from Cardiff Airport to London, nothing beats the convenience of staying close to the terminal. Grab your bags from the carousel and then be showered and resting soon after at one of these hotels near LHR:

London Gatwick Airport (LGW)

As soon as your flight from Cardiff Airport to London has hit the runway, you can make your way to the city centre in around 1 hour and 19 minutes by car. Central London is roughly 80 kilometres from London Gatwick Airport (LGW).
You can expect the journey to take approximately 1 hour and 26 minutes on public transport.
Hang up the 'Do not disturb' sign and relax at a hotel near LGW. Here are a few options where you can take a load off after your flight from CWL to London:

Best time to go to London

It's time to pick your dates for your flight from Cardiff Airport to London. July is the busiest month for a trip to London. If you want a more relaxed vibe, go in February.
The warmest month in London is July, with temperatures ranging between 11ºC and 26ºC. Lock in your flights from Cardiff Airport to London in this month if this is the type of weather you enjoy.
Look for cheap flights from CWL to London in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between 0ºC and 9ºC on average.

More about London

When it comes to looking for somewhere to lay your head, you'll find the best stays in London right here. Explore these hotels once you've locked in your flight from Cardiff Airport to London:
Every great holiday has to include some sightseeing. Big Ben, The British Museum and Buckingham Palace are must-visits when exploring London.

Complete your London trip with a car rental

Select one of our car rentals in London and see the sights on your own terms. Easily compare rates in one place to find the ideal ride once you've locked in your hotel and cheap flights from Cardiff Airport to London.