Find flights
When to book
FAQs

Cheap flights from Cardiff to London Luton Airport from £37

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 31/3. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — LTN
29 Mar — 5 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cardiff to Luton

Enter your travel dates to find the best prices.

Cheapest flights from Cardiff to Luton
Explore the most affordable flight options available from Cardiff to Luton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 February 2026.

Mon 2/323:30
CWL
-
LTN
1 stop9h 05m
Ryanair
Mon 9/313:50
LTN
-
CWL
1 stop9h 15m
Ryanair
Deal found 26/2£78
Tue 31/323:15
CWL
-
LTN
1 stop14h 10m
Ryanair
Fri 10/420:25
LTN
-
CWL
1 stop10h 30m
Ryanair
Deal found 26/2£82
Wed 25/315:55
CWL
-
LTN
1 stop4h 10m
Ryanair
Wed 1/415:55
LTN
-
CWL
1 stop7h 30m
Ryanair
Deal found 25/2£87
Thu 16/422:50
CWL
-
LTN
1 stop10h 40m
Ryanair
Wed 22/419:05
LTN
-
CWL
1 stop4h 20m
Ryanair
Deal found 27/2£90
Sat 4/407:30
CWL
-
LTN
1 stop9h 55m
Ryanair
Mon 6/408:15
LTN
-
CWL
1 stop13h 45m
Ryanair
Deal found 27/2£98
Sun 29/321:45
CWL
-
LTN
1 stop13h 40m
Ryanair
Sun 5/413:05
LTN
-
CWL
1 stop8h 15m
Ryanair
Deal found 27/2£107
Sun 12/421:45
CWL
-
LTN
1 stop13h 40m
Ryanair
Sun 19/409:00
LTN
-
CWL
1 stop12h 20m
Ryanair
Deal found 26/2£108
Tue 5/523:15
CWL
-
LTN
1 stop10h 00m
Multiple Airlines
Fri 8/508:15
LTN
-
CWL
2 stops14h 05m
Multiple Airlines
Deal found 24/2£116
Fri 20/322:25
CWL
-
LTN
2 stops20h 20m
Multiple Airlines
Tue 31/316:10
LTN
-
CWL
1 stop6h 40m
Multiple Airlines
Deal found 23/2£122
Wed 25/315:55
CWL
-
LTN
1 stop4h 10m
Multiple Airlines
Wed 1/408:50
LTN
-
CWL
2 stops14h 35m
Multiple Airlines
Deal found 25/2£127

Find flight deals from Cardiff to Luton

Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to Luton (LTN). 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 27 February 2026.

Round-trip from

£82

One-way from

£37

Popular in

June

Cheapest in

May

Average price

£341
Ryanair
  • Ryanair
  • 31/3-10/4
  • 2 total stops
  • 24h 40m total
  • Cardiff to London
Search Deals
Ryanair
  • Ryanair
  • 31/3
  • 1 total stop
  • 14h 10m total
  • Cardiff to London
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£16 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cardiff to Luton 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 27 February 2026.
Use the filters below to find and compare flights from Cardiff to London Luton Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CardiffLondon

CWL - LTN

CWLLTN

Cardiff Wales

Tue 31/3

23:15-13:25

1 stop14h 10m

London Luton

Fri 10/4

20:25-06:55

1 stop10h 30m

£82

CardiffLondon

CWL - LTN

CWLLTN

Cardiff Wales

Wed 25/3

15:55-20:05

1 stop4h 10m

London Luton

Wed 1/4

15:55-23:25

1 stop7h 30m

£87

CardiffLondon

CWL - LTN

CWLLTN

Cardiff Wales

Thu 16/4

22:50-09:30

1 stop10h 40m

London Luton

Wed 22/4

19:05-23:25

1 stop4h 20m

£90

CardiffLondon

CWL - LTN

CWLLTN

Cardiff Wales

Sat 4/4

07:30-17:25

1 stop9h 55m

London Luton

Mon 6/4

08:15-22:00

1 stop13h 45m

£98

CardiffLondon

CWL - LTN

CWLLTN

Cardiff Wales

Thu 16/4

22:50-18:25

2 stops19h 35m

London Luton

Wed 22/4

19:05-23:25

1 stop4h 20m

£107

CardiffLondon

CWL - LTN

CWLLTN

Cardiff Wales

Sun 12/4

21:45-11:25

1 stop13h 40m

London Luton

Sun 19/4

09:00-21:20

1 stop12h 20m

£108

CardiffLondon

CWL - LTN

CWLLTN

Cardiff Wales

Fri 20/3

22:25-18:45

2 stops20h 20m

London Luton

Tue 31/3

16:10-22:50

1 stop6h 40m

£122

CardiffLondon

CWL - LTN

CWLLTN

Cardiff Wales

Sat 11/4

07:30-17:25

1 stop9h 55m

London Luton

Sat 18/4

16:10-08:55

1 stop16h 45m

£135

CardiffLondon

CWL - LTN

CWLLTN

Cardiff Wales

Sun 29/3

21:45-16:05

2 stops18h 20m

London Luton

Sun 5/4

13:05-21:20

1 stop8h 15m

£135

CardiffLondon

CWL - LTN

CWLLTN

Cardiff Wales

Thu 12/3

10:30-17:05

1 stop6h 35m

London Luton

Mon 16/3

13:50-23:05

1 stop9h 15m

£151

Flights are sorted by cheapest return flights first.

Deals found on 24/2

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Best time to book a flight from Cardiff to Luton

Have a flexible travel schedule? Discover the best time to fly to Luton from Cardiff with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Luton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Cardiff to London Luton?

    Cardiff Wales (CWL), located 9.1 mi from the city center, is the airport you fly out of when you book flights from Cardiff to London Luton. 0 airlines have flights from Cardiff Wales to London Luton on a regular basis. Booking flights from Cardiff Wales to London Luton should not be difficult; the airport handles an average of 0 outbound flights to London Luton per day.

  • How long is the flight from Cardiff to London Luton Airport?

    Departing from Cardiff to London Luton Airport will take you 14h 10m. Airlines will cover a distance of 132 mi.

  • Can I find deals for flights from Cardiff to Luton that include hotel bookings?

    Yes. In addition to deals on Cardiff to Luton flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cardiff to Luton?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Luton.

  • Can I find deals for business class flights from Cardiff to Luton?

    Yes. Cheapflights offers flight deals from Cardiff to Luton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near London Luton Airport?

Book flights to London Luton Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Wembley
Luton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Kingston upon Thames
Eastbourne
Ipswich
Chelmsford
Bedford
Romford
Folkestone

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 Luton?

Deals for Cardiff to Luton 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 Luton?

Millions of users choose and trust Cheapflights to book the best flight deals from Cardiff to Luton for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Cardiff to Luton with no change fees?

Certainly. Search results for flights to Luton from Cardiff shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Cardiff to Luton become cheaper?

Yes! Start tracking prices for Cardiff to Luton flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.