Cheap flights from London to Cardiff
Cheap return flights from London to Cardiff
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Cardiff flight facts
What you need to know
What are the cheapest airlines?
- Ryanair
- easyJet
- British Airways
These airlines usually offer the cheapest flights from London to Cardiff.
What airlines fly indirectly?
- KLM
- Air France
- Lufthansa
These airlines fly from London to Cardiff, but you’ll have at least one layover.
How long is the flight?
1 hour 30 minutes
This is the shortest flight time from London to Cardiff.
Alternative flights from the UK to Cardiff
Check out prices for other routes
Alternative flights from London
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the London/Cardiff route. There are around 35 flights on any given week from the UK to Cardiff and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from London to Cardiff
Tips and advice from our flight experts
You've searched for flights from London to Cardiff. We've found 15 flights and compared them to give you the best offer. Ryanair is, on average, the cheapest for this route, so look out for them. The cheapest offer we've found is a one-way ticket for London to Cardiff on 01/03/2026 at 02:25 at £30.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 5 airlines operating the 150 kilometers flight from London to Cardiff.
To find the best offers, book in advance or look for last-minute deals. Ryanair is a popular choice for this route, with an average flight duration of 1 hour 30 minutes. After selecting an offer, fill out your information and payment. Consider booking a hotel with us or using our flight + hotel service to save time and money.
Other popular destinations near Cardiff
Where other people are flying to
