$3,889 Cheap Flights from London (LGW) to Cardiff (CWL)

View $3,889 flight on Sun, Dec 14, 2025Opens in a new window

Popular airlines from Gatwick Airport (LGW) to Cardiff International Airport (CWL)

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Cheap Flights from London to Cardiff (LGW-CWL)

Prices were available within the past 7 days and start at $3,889 for one-way flights and $7,073 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Sun, Dec 14 - Sat, Jan 3
LGW
London
CWL
Cardiff
$7,073 Roundtrip, found 3 days ago
$7,073
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Sun, Dec 14 from London to Cardiff, returning Sat, Jan 3, priced at $7,073 found 3 days ago
Swiss International Air Lines
Sat, Jan 3 - Sat, Jan 17
LGW
London
CWL
Cardiff
$7,073 Roundtrip, found 3 days ago
$7,073
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Sat, Jan 3 from London to Cardiff, returning Sat, Jan 17, priced at $7,073 found 3 days ago
Swiss International Air Lines
Sun, Nov 23 - Sat, Dec 13
LGW
London
CWL
Cardiff
$7,272 Roundtrip, found 3 days ago
$7,272
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Sun, Nov 23 from London to Cardiff, returning Sat, Dec 13, priced at $7,272 found 3 days ago
Swiss International Air Lines
Mon, Dec 15 - Sat, Jan 3
LGW
London
CWL
Cardiff
$7,272 Roundtrip, found 3 days ago
$7,272
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Mon, Dec 15 from London to Cardiff, returning Sat, Jan 3, priced at $7,272 found 3 days ago

Frequently asked questions

How much does a flight from Gatwick Airport (LGW) to Cardiff Intl. Airport (CWL) cost?
Get a cheap one-way flight from $3,889 or cheap return flight from $7,073 from Gatwick Airport (LGW) 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 Gatwick Airport (LGW) to Cardiff Intl. Airport (CWL)?
The cheapest month to fly from LGW to CWL is December, when there's less demand. Off-peak months are generally when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Gatwick Airport (LGW) to Cardiff Intl. Airport (CWL)?
To find the cheapest airline flying from LGW to CWL, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Gatwick Airport (LGW) to Cardiff Intl. Airport (CWL)?
There aren't any daily direct flights departing from Gatwick Airport (LGW) to Cardiff Intl. Airport (CWL). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from LGW to CWL?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Gatwick Airport (LGW) to Cardiff Intl. Airport (CWL)?
To reach Cardiff Intl. Airport (CWL) on schedule, choose a flight that takes off from Gatwick Airport (LGW) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Gatwick Airport (LGW) to Cardiff Intl. Airport (CWL) last-minute?
Last-minute bookings from LGW to CWL are generally more expensive. To secure the lowest rates, start looking for flights well ahead of time. That said, if you're flexible with your travel dates, you may land a cheap ticket right before you leave.
Is it cheaper to book a LGW to CWL flight and hotel package?
Booking a LGW to CWL flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Choose from our impressive range of stays 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 Gatwick Airport (LGW) to Cardiff Intl. Airport (CWL)?
If you reserved your LGW to CWL flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare 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 further details.

Travel information

Origin airport
Gatwick
Destination airport
Cardiff Intl.
Roundtrip price
$7,072
Distance
138 mi

Book with confidence

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 December. 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 $3,889 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.

 

London to Cardiff Flights

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*Available to One Key members.