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Cheap Flights from London Luton to Cardiff

Compare London Luton to Cardiff flight deals

Find the cheapest month or even day of the year to fly to Cardiff

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Flight deals from London Luton to Cardiff

Looking for a cheap last-minute deal or the best return flight from London Luton to Cardiff? Find the lowest prices on one-way and return tickets right here.
Cardiff.141 € per passenger.Departing Mon, 1 Sep, returning Fri, 26 Sep.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Luton on Mon, 1 Sep, arriving in Cardiff.Inbound indirect flight with Ryanair, departs from Cardiff on Fri, 26 Sep, arriving in London Luton.Price includes taxes and charges.From 141 €, select.
Cardiff.150 € per passenger.Departing Tue, 12 Aug, returning Sat, 16 Aug.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Luton on Tue, 12 Aug, arriving in Cardiff.Inbound indirect flight with Ryanair, departs from Cardiff on Sat, 16 Aug, arriving in London Luton.Price includes taxes and charges.From 150 €, select.
Cardiff.153 € per passenger.Departing Mon, 21 Jul, returning Sat, 26 Jul.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Luton on Mon, 21 Jul, arriving in Cardiff.Inbound indirect flight with Ryanair, departs from Cardiff on Sat, 26 Jul, arriving in London Luton.Price includes taxes and charges.From 153 €, select.
Cardiff.158 € per passenger.Departing Sat, 23 Aug, returning Fri, 5 Sep.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Luton on Sat, 23 Aug, arriving in Cardiff.Inbound indirect flight with Ryanair, departs from Cardiff on Fri, 5 Sep, arriving in London Luton.Price includes taxes and charges.From 158 €, select.
Cardiff.160 € per passenger.Departing Sat, 29 Nov, returning Sun, 30 Nov.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Luton on Sat, 29 Nov, arriving in Cardiff.Inbound indirect flight with Ryanair, departs from Cardiff on Sun, 30 Nov, arriving in London Luton.Price includes taxes and charges.From 160 €, select.
Cardiff.186 € per passenger.Departing Fri, 3 Oct, returning Tue, 7 Oct.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Luton on Fri, 3 Oct, arriving in Cardiff.Inbound indirect flight with Ryanair, departs from Cardiff on Tue, 7 Oct, arriving in London Luton.Price includes taxes and charges.From 186 €, select.
Cardiff.193 € per passenger.Departing Wed, 30 Jul, returning Sat, 2 Aug.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Luton on Wed, 30 Jul, arriving in Cardiff.Inbound indirect flight with Ryanair, departs from Cardiff on Sat, 2 Aug, arriving in London Luton.Price includes taxes and charges.From 193 €, select.
Cardiff.206 € per passenger.Departing Fri, 26 Sep, returning Fri, 10 Oct.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Luton on Fri, 26 Sep, arriving in Cardiff.Inbound indirect flight with Ryanair, departs from Cardiff on Fri, 10 Oct, arriving in London Luton.Price includes taxes and charges.From 206 €, select.

Find the cheapest month to fly from London Luton to Cardiff

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Luton to Cardiff flights are currently cheapest in September.
Jun
from 242 €
Jul
from 153 €
Aug
from 150 €
Sep
from 141 €
Oct
from 186 €
Nov
from 160 €
Dec
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Jan
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Feb
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Mar
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Apr
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May
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London Luton to Cardiff: Alternative routes

Compare routes from London Luton to Cardiff below. You may find an airport to fly into that's cheaper, faster, or easier than Cardiff.

London to Cardiff: Flight information

The things to know before you go.
Cheapest flight found141 €
Cheapest month to flySeptember

Finding cheap flights from London Luton to Cardiff: Frequently asked questions

The best price we found for a return flight from London Luton to Cardiff is 141 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from London Luton to Cardiff. But we found flights with one or more stops from 141 €.
As of June 2025, there are no flights flying from London Luton to Cardiff.
The cheapest month to fly from London Luton to Cardiff is usually June 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Luton Airport to Cardiff Airport on Monday, 1 September 2025.
No airlines currently offer direct flights between London Luton Airport and Cardiff Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Cardiff but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Cardiff is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Ryanair offers the cheapest flight tickets to Cardiff.

Flying from London Luton Airport (LTN) to Cardiff Airport (CWL): what you need to know

  • Cardiff's timezone is UTC+0, which is the same as London.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Show up at the airport on time to board your LTN to CWL flight.

  • Travelling during a peak time such as August? Public holidays and other popular periods can mean longer lines and delays at check-in and security. Play things extra safe and arrive up to four hours before international flights and two hours before a domestic departure.

  • Think about adding a stopover when booking your ticket from London Luton Airport to Cardiff Airport. Just uncheck 'Direct flights only' to break up your trip, or maybe even explore a new city along the way. Check out these options between LTN and CWL:

    • Dublin Airport

    • Edinburgh Airport

    • Amsterdam Airport Schiphol

How to find the cheapest flights from London Luton Airport (LTN) to Cardiff Airport (CWL)

  • Right now, 65 € is the cheapest price we've seen for a one-way London Luton Airport to Cardiff Airport flight. The best price for a return plane ticket is 141 €. Bear in mind that fares may change due to demand at the time of booking.

  • To pick up cheap tickets from LTN to CWL, book early. Airlines generally offer lower fares when flights are first released.

  • If you're willing to be flexible with your travel plans, try using the 'Whole month' tool. It'll give you the cheapest price across each month when searching for your flight from London Luton Airport to Cardiff Airport.

  • Snapping up cheap flights from LTN to CWL couldn't be easier with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know as soon as there's a better deal.

  • Select your ideal departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from London Luton Airport to Cardiff Airport.

Handy information about London Luton Airport (LTN)

  • When it comes to the on-time performance of London Luton Airport, data shows 72.75% of flights arrive within the scheduled timeframe.

  • London Luton Airport is around 56 kilometres from central London. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 1 hour 15 minutes or so to get there, depending on the traffic.

  • The trip on public transport takes roughly 1 hour 20 minutes.

  • Get your holiday off to a leisurely start by staying near LTN. Whether you've booked an early flight from London Luton Airport to Cardiff Airport or just don't want to be rushed, these stays are perfect:

Arriving at Cardiff Airport (CWL)

  • The last thing you need is a long journey to your hotel if you're arriving on a late London Luton Airport to Cardiff Airport flight. Stay at one of these accommodation options near CWL instead:

  • Explore without limits with a Cardiff Airport rental car. Book your wheels from Europcar, Keddy By Europcar or Enterprise and venture far and wide through Cardiff and beyond.

  • For the lowest price, reserve your vehicle from Cardiff Airport about four weeks before you set off.

Getting from Cardiff Airport (CWL) to central Cardiff

  • Cardiff Airport to central Cardiff has a drive time of about 30 minutes. It's approximately 27 kilometres away.

  • Travelling to the centre by public transport typically takes 1 hour 5 minutes.

When to fly to Cardiff Airport (CWL)

  • It's time to plan your travel dates for your flight from London Luton Airport to Cardiff Airport. June is the busiest month to head to Cardiff. If you're after a more low-key vibe, go in April.

  • The warmest month in Cardiff is July, with the temperature ranging between 11ºC (52ºF) and 22ºC (72ºF). Lock in your flights from London Luton Airport to Cardiff Airport in this month if this is the type of weather you like.

  • If you like travelling in cooler conditions, search for a cheap ticket from LTN to CWL in January. Temperatures average between 0ºC (32ºF) and 9ºC (48ºF) then.

Explore more of United Kingdom

  • You've seen Cardiff, now it's time to discover other corners of United Kingdom. Travel around 209 kilometres east to London to tick off its must-visit sights. From Big Ben to The British Museum and Buckingham Palace, there's plenty to keep you on the go.

  • Around 145 kilometres north-east of Cardiff, Birmingham is another essential stop in United Kingdom. Get a taste of what this destination has to offer at Cadbury World, The Library of Birmingham and National Sea Life Centre.

Plan the rest of your trip from London to Cardiff

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.