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

Popular airlines from Luton Airport (LTN) to Cardiff International Airport (CWL)

Frequently asked questions

How much does a flight from Luton Airport (LTN) to Cardiff Intl. Airport (CWL) cost?
Get a cheap one-way flight or cheap return flight from Luton Airport (LTN) to Cardiff Intl. Airport (CWL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Luton Airport (LTN) to Cardiff Intl. Airport (CWL)?
Traveling in can help you save, as it's the cheapest month for flights between LTN and CWL. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Luton Airport (LTN) to Cardiff Intl. Airport (CWL)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest LTN to CWL flight.
How many flights per day from Luton Airport (LTN) to Cardiff Intl. Airport (CWL)?
Direct flights from Luton Airport (LTN) to Cardiff Intl. Airport (CWL) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from LTN to CWL?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Luton Airport (LTN) to Cardiff Intl. Airport (CWL)?
To avoid potential delays on the Luton Airport (LTN) to Cardiff Intl. Airport (CWL) route, aim to fly before 3 PM. Departures after this time 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 Luton Airport (LTN) to Cardiff Intl. Airport (CWL) last-minute?
Last-minute fares from LTN to CWL are generally more expensive. To lock in the lowest prices, start searching for flights as early as possible. That being said, if you're flexible with your travel plans, you may land a cheap ticket just before your departure.
Is it cheaper to book a LTN to CWL flight and hotel package?
You can save money by booking a LTN to CWL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After choosing your ideal accommodations and flights, consider adding extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Luton Airport (LTN) to Cardiff Intl. Airport (CWL)?
In most instances, you can cancel or modify your LTN to CWL flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you'd like further details, go to our Customer Service portal.

Travel information

Origin airport
Luton
Destination airport
Cardiff Intl.
Distance
131 mi

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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 . 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 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.