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Cheap flights from Cardiff to London Heathrow Airport from £198

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cardiff to London Heathrow Airport departing on 5/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Cardiff to London

Cheap return flights

These are some of the best return flight deals from Cardiff to London that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Cardiff to London.

Cheap last-minute flights

Planning a quick getaway from Cardiff to London? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from Cardiff to London

Find recent round-trip train or bus tickets from Cardiff to London.

All round-trip flight deals to London

The cheapest plane tickets to London found on KAYAK recently.
10:25 - 14:25CWL-LHR
4h 00m1 stop
20:25 - 09:55LHR-CWL
13h 30m1 stop
£218KLM
Find Deal
Sat, 11 Jan - Fri, 17 Jan
10:25 - 14:25CWL-LHR
4h 00m1 stop
20:25 - 09:55LHR-CWL
13h 30m1 stop
£219KLM
Find Deal
Sat, 11 Jan - Fri, 17 Jan
10:25 - 16:05CWL-LHR
5h 40m1 stop
20:25 - 09:55LHR-CWL
13h 30m1 stop
£230KLM
Find Deal
Fri, 10 Jan - Fri, 17 Jan
12:55 - 21:45CWL-LHR
8h 50m1 stop
06:50 - 12:25LHR-CWL
5h 35m1 stop
Sun, 5 Jan - Sun, 12 Jan
17:25 - 07:40CWL-LHR
14h 15m1 stop
06:00 - 09:55LHR-CWL
27h 55m2 stops
Sat, 11 Jan - Fri, 17 Jan
12:00 - 08:00CWL-LHR
20h 00m2 stops
18:50 - 11:30LHR-CWL
16h 40m1 stop
Sat, 11 Jan - Fri, 17 Jan
20:45 - 07:45CWL-LHR
11h 00m1 stop
20:30 - 19:45LHR-CWL
23h 15m1 stop
Sun, 29 Dec - Wed, 1 Jan
12:00 - 08:00CWL-LHR
20h 00m2 stops
06:05 - 12:25LHR-CWL
6h 20m2 stops
Sat, 11 Jan - Fri, 17 Jan
12:55 - 21:45CWL-LHR
8h 50m1 stop
09:45 - 20:10LHR-CWL
10h 25m2 stops
Sun, 5 Jan - Sun, 12 Jan
10:25 - 16:05CWL-LHR
5h 40m1 stop
07:05 - 19:15LHR-CWL
12h 10m2 stops
Fri, 10 Jan - Fri, 17 Jan
12:55 - 21:45CWL-LHR
8h 50m1 stop
Sun, 5 Jan
12:55 - 07:45CWL-LHR
18h 50m2 stops
Sun, 5 Jan

KLM flights from Cardiff to London Heathrow Airport

Our best KLM deals on Cardiff to London Heathrow Airport flight tickets
KLM
11 Jan
CWL10:25Cardiff Wales
4h 00m
1 stop
LHR14:25London Heathrow
17 Jan
LHR20:25London Heathrow
13h 30m
1 stop
CWL09:55Cardiff Wales
KLM
11 Jan
CWL10:25Cardiff Wales
4h 00m
1 stop
LHR14:25London Heathrow
17 Jan
LHR20:25London Heathrow
13h 30m
1 stop
CWL09:55Cardiff Wales
KLM
10 Jan
CWL10:25Cardiff Wales
5h 40m
1 stop
LHR16:05London Heathrow
17 Jan
LHR20:25London Heathrow
13h 30m
1 stop
CWL09:55Cardiff Wales

See travel insights to London from

How to get the cheapest flight ticket from Cardiff to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Cardiff is on a Sunday. momondo users have found tickets for Sunday departures for as low as £0. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Monday is £454.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is at midday. momondo users have found flights departing from Cardiff to London Heathrow Airport at midday for as low as £0. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £375 on average. Flights to London Heathrow Airport from Cardiff in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Cardiff Wales to London Heathrow flight route?

Fly from Cardiff Wales to London Heathrow for the best Cardiff Wales - London Heathrow flight prices

What cabin class options are available on Cardiff Wales to London Heathrow flights?

There are 1 cabin classes available to choose from on Cardiff Wales to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

When to book flights from Cardiff to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Cardiff to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Cardiff to London Heathrow Airport (CWL to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cardiff to London Heathrow Airport

Best price found

£198

Fastest flight time

4h 00m

Direct flights

None
The best one-way flight to London Heathrow Airport from Cardiff in the past 72 hours is £198. The best return flight deal from Cardiff to London Heathrow Airport found on momondo in the last 72 hours is £218.
The fastest flight from Cardiff to London Heathrow Airport takes 4h 00m
There are no direct flights from Cardiff to London Heathrow Airport. Popular non-direct route for this connection is Cardiff Wales Airport - London Heathrow Airport.

  • How far is Cardiff Wales to London Heathrow by plane?

    Cardiff Wales and London Heathrow are 117.1 mi apart from one another. Typically, this will take 4h 00m by plane in normal conditions.

  • When did momondo last update prices for flights from Cardiff Wales Airport to London Heathrow Airport?

    Prices for flights from Cardiff Wales Airport to London Heathrow Airport refresh daily.

  • How many operators does momondo search for flights from Cardiff Wales Airport to London Heathrow Airport?

  • How old do you have to be to fly from Cardiff Wales Airport to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Cardiff Wales Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Cardiff to London Heathrow Airport?


Best airlines flying from Cardiff to London Heathrow Airport

Compare and see reviews for airlines that fly from Cardiff to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom £219Free CancellationRating
7.8
1,346 reviews
Search KLM flights

Why use momondo?

Why should I use momondo to find a flight deal from Cardiff to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Cardiff to London for you.

Can I find flights from Cardiff to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Cardiff which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Cardiff to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Cardiff.

I’m not ready to book a flight from Cardiff to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Cardiff and alert you when they change.


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