Cheap flights from Cardiff to London Heathrow Airport from £89
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 18/5. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Cardiff to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to Heathrow (LHR). 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 17 January 2025.
Find flight deals from Cardiff to Heathrow
Cheapest flights from Cardiff to HeathrowExplore the most affordable flight options available from Cardiff to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.
Explore the most affordable flight options available from Cardiff to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.
Find flights from Cardiff to Heathrow within your budget
Customise your flight search to find flights from Cardiff to Heathrow 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 17 January 2025.
Fly from
Fly to
Route
Depart
Return
Price
CardiffLondon
CWL - LHR
CWLLHR
Cardiff Wales
Sat 15/2
09:45-17:50
1 stop8h 05m
London Heathrow
Sat 22/2
18:45-07:55
1 stop13h 10m
CardiffLondon
CWL - LHR
CWLLHR
Cardiff Wales
Sat 1/2
10:25-17:00
1 stop6h 35m
London Heathrow
Fri 7/2
20:25-09:55
1 stop13h 30m
CardiffLondon
CWL - LHR
CWLLHR
Cardiff Wales
Sun 18/5
11:00-21:45
1 stop10h 45m
Best time to book a flight from Cardiff to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Cardiff with our price prediction graph.
Travel insights for flights from Cardiff to Heathrow
Get recent, data-driven insights about flights from Cardiff to Heathrow including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Cardiff to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Cardiff to London Heathrow Airport (average of £112). Flying from Cardiff to London Heathrow Airport in August is currently the most expensive (average of £161). 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 CWL to LHR?
Find hourly flight availability from Cardiff to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 January 2025.
A simple way to save on the total cost of your ticket is to fly from Cardiff to London Heathrow Airport at midday. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight in the morning.
Rainfall in Heathrow by month
Plan your trip to Heathrow by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.
Temperature in Heathrow by month
Plan your trip to Heathrow by taking into account the average temperature totals by month.
If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 17 January 2025.
Crew
Food
Overall
Comfort
Entertainment
Boarding
Reviews
I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.
Related info for your journey
Find useful and relevant information for your journey from Cardiff to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near Cardiff?
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Alternative routes for Cardiff to Heathrow
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Cardiff to Heathrow
Discover the top airline that operate flights from Cardiff to Heathrow. 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 17 January 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Cardiff to Heathrow?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Cardiff today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Cardiff to Heathrow?
Cheapflights helps you find that perfect flight to Heathrow from Cardiff by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Cardiff to Heathrow with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Cardiff to Heathrow flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Cardiff to Heathrow become cheaper?
Yes, Cheapflights offers price alerts on Cardiff to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.