$344 Cheap Flights from London (LCY) to Cardiff (CWL)

View $344 flight on Thu, Sep 11, 2025Opens in a new window

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

Cheap Flights from London to Cardiff (LCY-CWL)

Prices were available within the past 7 days and start at $344 for one-way flights and $701 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Wed, Sep 10 - Fri, Sep 19
LCY
London
CWL
Cardiff
$701 Roundtrip, found 6 days ago
$701
Roundtrip
found 6 days ago
Select British Airways flight, departing Wed, Sep 10 from London to Cardiff, returning Fri, Sep 19, priced at $701 found 6 days ago
British Airways
Fri, Sep 12 - Thu, Sep 18
LCY
London
CWL
Cardiff
$725 Roundtrip, found 6 days ago
$725
Roundtrip
found 6 days ago
Select British Airways flight, departing Fri, Sep 12 from London to Cardiff, returning Thu, Sep 18, priced at $725 found 6 days ago
British Airways
Fri, Sep 12 - Mon, Sep 15
LCY
London
CWL
Cardiff
$755 Roundtrip, found 6 days ago
$755
Roundtrip
found 6 days ago
Select British Airways flight, departing Fri, Sep 12 from London to Cardiff, returning Mon, Sep 15, priced at $755 found 6 days ago
British Airways
Wed, Sep 10 - Thu, Sep 18
LCY
London
CWL
Cardiff
$770 Roundtrip, found 6 days ago
$770
Roundtrip
found 6 days ago
Select British Airways flight, departing Wed, Sep 10 from London to Cardiff, returning Thu, Sep 18, priced at $770 found 6 days ago
British Airways
Mon, Sep 8 - Thu, Sep 18
LCY
London
CWL
Cardiff
$804 Roundtrip, found 6 days ago
$804
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Sep 8 from London to Cardiff, returning Thu, Sep 18, priced at $804 found 6 days ago
British Airways
Wed, Sep 10 - Fri, Sep 12
LCY
London
CWL
Cardiff
$819 Roundtrip, found 6 days ago
$819
Roundtrip
found 6 days ago
Select British Airways flight, departing Wed, Sep 10 from London to Cardiff, returning Fri, Sep 12, priced at $819 found 6 days ago
Flights from London (LCY) to Cardiff (CWL)
Origin airport
London City
Destination airport
Cardiff Intl.
Roundtrip price
$700
Distance
146 mi

London to Cardiff Flights

The cheapest times to fly from London to Cardiff

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 London to Cardiff are during the month of September. You can find some of the cheapest flights from London to Cardiff with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from London to Cardiff

Sunday is one of the best days to book for cheap flights from London to Cardiff: 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 London to Cardiff

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 London to Cardiff in 2025. You can also book with separate airlines for your outbound and return journeys, from $344 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 London to Cardiff 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 London to Cardiff 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.

 

Frequently asked questions

How much does a flight from London City Airport (LCY) to Cardiff Intl. Airport (CWL) cost?
Snag a cheap one-way flight from $344 or cheap return flight from $701 from London City Airport (LCY) to Cardiff Intl. Airport (CWL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from London City Airport (LCY) to Cardiff Intl. Airport (CWL)?
September is the least expensive month to fly from LCY to CWL. Traveling during an off-peak travel window is often the key to finding better fares.
What is the cheapest airline that flies from London City Airport (LCY) to Cardiff Intl. Airport (CWL)?
To find the cheapest airline flying from LCY to CWL, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from London City Airport (LCY) to Cardiff Intl. Airport (CWL)?
Nonstop flights from London City Airport (LCY) to Cardiff Intl. Airport (CWL) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from LCY to CWL?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on a number of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from London City Airport (LCY) to Cardiff Intl. Airport (CWL)?
To avoid possible delays on the London City Airport (LCY) to Cardiff Intl. Airport (CWL) route, aim to fly before 3 PM. Later departures are 22% more likely to be 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 London City Airport (LCY) to Cardiff Intl. Airport (CWL) last-minute?
Last-minute bookings from LCY to CWL are typically more expensive. To lock in the lowest rates, start searching for flights early. That being said, if your travel plans are flexible, it's possible to find a cheap fare right before you leave.
Is it cheaper to book a LCY to CWL flight and hotel package?
You can save money by securing a LCY to CWL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After choosing your preferred accommodations and flights, you can add extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from London City Airport (LCY) to Cardiff Intl. Airport (CWL)?
If you booked your LCY to CWL flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket 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, visit our Customer Service portal for more details.

Explore a world of travel with Expedia

*Available to One Key members.