Cheap flights from Cardiff to London from £46
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Cardiff to London
Cheapest flights from Cardiff to LondonExplore the most affordable flight options available from Cardiff to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 October 2026.
Explore the most affordable flight options available from Cardiff to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 October 2026.
Best flights from Cardiff to LondonDiscover carefully curated flight deals from Cardiff to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 October 2026.
Discover carefully curated flight deals from Cardiff to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 October 2026.
Last-minute flights from Cardiff to LondonDiscover last-minute flight deals from Cardiff to London. Data last updated 9 October 2026 and is based on user searches.
Discover last-minute flight deals from Cardiff to London. Data last updated 9 October 2026 and is based on user searches.
One-way flights from Cardiff to LondonSearch for one-way flight options from Cardiff to London. Find affordable one-way fares based on user searches. Data last updated 9 October 2026.
Search for one-way flight options from Cardiff to London. Find affordable one-way fares based on user searches. Data last updated 9 October 2026.
Find flight deals from Cardiff to London
Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to London (LON). 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 9 October 2026.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Cardiff to London that are best for you.
Fly from
Fly to
Route
Depart
Return
CardiffLondon
CWL Cardiff Wales - STN London Stansted
CWLSTN
Cardiff Wales
Mon 21/12
08:35-22:45
1 stop14h 10m
London Stansted
Wed 31/12
00:00-00:00
Nonstop0h 00m
CardiffLondon
CWL Cardiff Wales - STN London Stansted
CWLSTN
Cardiff Wales
Fri 16/10
17:45-09:10
1 stop15h 25m
London Stansted
Wed 31/12
00:00-00:00
Nonstop0h 00m
CardiffLondon
CWL Cardiff Wales - STN London Stansted
CWLSTN
Cardiff Wales
Fri 18/12
23:10-07:50
1 stop8h 40m
London Stansted
Wed 31/12
00:00-00:00
Nonstop0h 00m
CardiffLondon
CWL Cardiff Wales - STN London Stansted
CWLSTN
Cardiff Wales
Tue 20/10
23:15-07:50
1 stop8h 35m
London Stansted
Wed 21/10
18:00-23:25
1 stop5h 25m
CardiffLondon
CWL Cardiff Wales - STN London Stansted
CWLSTN
Cardiff Wales
Tue 20/10
23:15-12:30
2 stops13h 15m
London Stansted
Wed 31/12
00:00-00:00
Nonstop0h 00m
CardiffLondon
CWL Cardiff Wales - STN London Stansted
CWLSTN
Cardiff Wales
Sun 8/11
09:05-00:50
1 stop15h 45m
London Stansted
Wed 31/12
00:00-00:00
Nonstop0h 00m
CardiffLondon
CWL Cardiff Wales - STN London Stansted
CWLSTN
Cardiff Wales
Sat 7/11
08:15-21:20
1 stop13h 05m
London Stansted
Fri 13/11
22:25-07:50
1 stop9h 25m
CardiffLondon
CWL Cardiff Wales - STN London Stansted
CWLSTN
Cardiff Wales
Sat 17/10
06:45-16:15
1 stop9h 30m
London Stansted
Wed 31/12
00:00-00:00
Nonstop0h 00m
CardiffLondon
CWL Cardiff Wales - STN London Stansted
CWLSTN
Cardiff Wales
Fri 6/11
16:05-23:15
1 stop7h 10m
London Stansted
Fri 13/11
22:25-07:50
1 stop9h 25m
CardiffLondon
CWL Cardiff Wales - STN London Stansted
CWLSTN
Cardiff Wales
Thu 19/11
13:25-23:20
1 stop9h 55m
London Stansted
Thu 26/11
06:45-13:00
1 stop6h 15m
Best time to book a flight from Cardiff to London
Have a flexible travel schedule? Discover the best time to fly to London from Cardiff with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Cardiff to London
What is the cheapest time of day to fly from CWL to LON?
Find hourly flight availability from Cardiff to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 9 October 2026.
A simple way to save on the total cost of your ticket is to fly from Cardiff to London in the afternoon. If you’re flexible enough to do this you can expect to save up to 58% on your trip compared to booking a flight at midday.
What ’s the top stopover airport for flights from Cardiff to London?
Share of one-stop return flights from Cardiff to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Dublin (DUB) – chosen by Cheapflights users on 50% of one-stop itineraries from Cardiff to London on Cheapflights.
What’s the cheapest stopover airport for flights from Cardiff to London?
Average return fare for one-stop flights from Cardiff to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Dublin (DUB) is the most affordable one-stop option, with an average return flight price of £83.
What’s the fastest stopover option from Cardiff to London?
Shortest average travel time for one-stop one-way flights from Cardiff to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 3h 25m.
Which airport typically offers the quickest stopover for flights from Cardiff to London?
Average stopover duration for one-stop one-way flights from Cardiff to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Amsterdam (AMS) offer the fastest connection on this route, with an average stopover time of 4h 18m.
How often are flights from Cardiff to London delayed?
About 57% of weekly flights between Cardiff and London have experienced delays in the past year, with the average delay time being 80 minutes.
What is the most punctual flight time for Cardiff to London flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Thursday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Cardiff to London flights?
Over the past year, British Airways have had the lowest number of delays on this route, with just 57% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from Cardiff to London. 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 Cardiff to London
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Complete your trip
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Direct flights to England
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Other flights to London
Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 9 October 2026.
Cardiff and London flights
Browse other Cardiff and London flight options. Last updated on 9 October 2026.
Other flights from Cardiff
Browse through other flights departing from Cardiff. Flights are based on user searches made on Cheapflights and were last updated on 9 October 2026.
Popular flight searches
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How does Cheapflights help users find flights from Cardiff to London?
Deals for Cardiff to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Cardiff to London?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from Cardiff.
Can Cheapflights find flights from Cardiff to London with no change fees?
Need flexible booking options for your flight to London from Cardiff? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Cardiff to London become cheaper?
Not ready to book yet? You can track prices for flights from Cardiff to London on Cheapflights with our Price Alert feature and get notified when better prices are available.