$433 Cheap Flights from Cardiff (CWL) to London (LCY)

View $433 flight on Wed, Oct 15, 2025Opens in a new window

Popular airlines from Cardiff International Airport (CWL) to London City Airport (LCY)

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Cheap Flights from Cardiff to London (CWL-LCY)

Prices were available within the past 7 days and start at $433 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Cardiff Intl. Airport (CWL) to London City Airport (LCY) cost?
Lock in a cheap one-way flight from $433 or cheap return flight from Cardiff Intl. Airport (CWL) to London City Airport (LCY) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Cardiff Intl. Airport (CWL) to London City Airport (LCY)?
Traveling in may help you find better deals, as it's the cheapest month for flights between CWL and LCY. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Cardiff Intl. Airport (CWL) to London City Airport (LCY)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from CWL to LCY. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Cardiff Intl. Airport (CWL) to London City Airport (LCY)?
Nonstop flights from Cardiff Intl. Airport (CWL) to London City Airport (LCY) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CWL to LCY?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cardiff Intl. Airport (CWL) to London City Airport (LCY)?
To avoid possible delays on the Cardiff Intl. Airport (CWL) to London City Airport (LCY) route, travel before 3 PM. Later flights have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Cardiff Intl. Airport (CWL) to London City Airport (LCY) last-minute?
Waiting until just before your departure to book your flight from CWL to LCY generally means paying more. While you might find some last-minute deals, there's no guarantee. Allow some flexibility in your schedule to boost your chances of getting a bargain.
Is it cheaper to book a CWL to LCY flight and hotel package?
Booking a CWL to LCY flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our wide range of hotels and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Cardiff Intl. Airport (CWL) to London City Airport (LCY)?
If you booked your CWL to LCY flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Origin airport
Cardiff Intl.
Destination airport
London City
Distance
146 mi

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Cardiff to London Flights

The cheapest times to fly from Cardiff to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Cardiff to London are during the month of . You can find some of the cheapest flights from Cardiff to London with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Cardiff to London

Sunday is one of the best days to book for cheap flights from Cardiff to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Cardiff to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Cardiff to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $433 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Cardiff to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Cardiff to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Cardiff to London Flights

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*Available to One Key members.