Cheap flights from London to Cardiff from £76
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from London to Cardiff
Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Cardiff (CWL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 4 July 2025.
Round-trip from | £116 |
---|---|
One-way from | £76 |
Popular in | December |
Cheapest in | January |
Average price | £336 |
Find flight deals from London to Cardiff
Cheapest flights from London to CardiffExplore the most affordable flight options available from London to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.
Explore the most affordable flight options available from London to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from London to Cardiff that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 4 July 2025.
Use the filters below to find and compare flights from London to Cardiff that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonCardiff
STN - CWL
STNCWL
London Stansted
Sat 2/8
22:00-10:35
1 stop12h 35m
Cardiff Wales
Mon 4/8
13:10-18:00
1 stop4h 50m
LondonCardiff
LGW - CWL
LGWCWL
London Gatwick
Wed 6/8
22:00-07:25
1 stop9h 25m
Cardiff Wales
Tue 12/8
16:20-20:55
1 stop4h 35m
LondonCardiff
LTN - CWL
LTNCWL
London Luton
Wed 6/8
19:20-07:25
1 stop12h 05m
Cardiff Wales
Tue 12/8
16:20-21:25
1 stop5h 05m
LondonCardiff
STN - CWL
STNCWL
London Stansted
Sat 2/8
22:00-10:35
1 stop12h 35m
Cardiff Wales
Mon 4/8
13:10-07:30
2 stops18h 20m
LondonCardiff
LGW - CWL
LGWCWL
London Gatwick
Wed 6/8
22:00-07:25
1 stop9h 25m
Cardiff Wales
Tue 12/8
16:20-08:20
2 stops16h 00m
LondonCardiff
LTN - CWL
LTNCWL
London Luton
Sat 16/8
16:55-10:35
2 stops17h 40m
Cardiff Wales
Sat 23/8
09:00-21:45
1 stop12h 45m
LondonCardiff
LHR - CWL
LHRCWL
London Heathrow
Sat 16/8
21:10-10:35
1 stop13h 25m
Cardiff Wales
Sat 23/8
09:00-20:20
1 stop11h 20m
LondonCardiff
LHR - CWL
LHRCWL
London Heathrow
Thu 7/8
06:30-16:45
1 stop10h 15m
Cardiff Wales
Wed 13/8
17:15-20:55
1 stop3h 40m
LondonCardiff
LCY - CWL
LCYCWL
London City
Wed 6/8
20:10-09:15
1 stop13h 05m
Cardiff Wales
Tue 12/8
09:50-19:40
1 stop9h 50m
LondonCardiff
SEN - CWL
SENCWL
London Southend
Thu 7/8
06:30-19:40
1 stop13h 10m
Cardiff Wales
Wed 13/8
20:30-12:50
1 stop16h 20m
Best time to book a flight from London to Cardiff
Have a flexible travel schedule? Discover the best time to fly to Cardiff from London with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from London to Cardiff
What is the cheapest month to book a flight from London to Cardiff?
Currently, July is the cheapest month in which you can book a flight from London to Cardiff (average of £169). Flying from London to Cardiff in December is currently the most expensive (average of £263). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from LON to CWL?
Find hourly flight availability from London to Cardiff. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 July 2025.
It’s typically best to fly out from London to Cardiff at midday. Doing so could potentially save you 57% on the flight price compared to flying in the afternoon, which is usually more expensive.
How much does it cost for a return flight from London to Cardiff?
Reviews of airlines servicing Cardiff
Get insights into the airlines that provide service to Cardiff. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cardiff. Reviews last updated 4 July 2025.
Check out reviews from past customers who have flown with KLM, Aer Lingus, andRyanair from London to Cardiff to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Boarding
Overall
Entertainment
Crew
Food
Reviews
Anonymous,Jun 2025
AMS - BOS
Comfort
Boarding
Overall
Entertainment
Crew
Food
Reviews
Anonymous,Jun 2025
AMS - BOS
Comfort
Boarding
Overall
Entertainment
Crew
Food
Reviews
Anonymous,Jun 2025
AMS - BOS
Comfort
Boarding
Overall
Entertainment
Crew
Food
Reviews
Anonymous,Jun 2025
AMS - BOS
Comfort
Boarding
Overall
Entertainment
Crew
Food
Reviews
Anonymous,Jun 2025
AMS - BOS
Related info for your journey
Find useful and relevant information for your journey from London to Cardiff. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for London to Cardiff
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from London to Cardiff
Discover the top airline that operate flights from London to Cardiff. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 4 July 2025.
Fly with Cheapflights
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How does Cheapflights help users find flights from London to Cardiff?
Cheapflights makes it easy to find London to Cardiff flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from London to Cardiff?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Cardiff for you. Better yet — we are completely free to use.
Can Cheapflights find flights from London to Cardiff with no change fees?
Yes! Cheapflights helps users easily find flights from London to Cardiff with no change fees.
Can Cheapflights notify me if prices for flights from London to Cardiff become cheaper?
Not ready to book yet? You can track prices for flights from London to Cardiff on Cheapflights with our Price Alert feature and get notified when better prices are available.