SOU - CWL

£135 Find Cheap Flights from Southampton to Cardiff – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Southampton to Cardiff (SOU-CWL)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Southampton to Cardiff

Fri, 6 Nov - Tue, 10 Nov
Multiple Airlines Logo
20:00 - 07:50SOU  Southampton Eastleigh-CWL Cardiff Wales
11h 50m1 stop Dublin
Multiple Airlines Logo
12:15 - 19:10CWL  Cardiff Wales-SOU Southampton Eastleigh
6h 55m1 stop Belfast City
£211Multiple Airlines
Tue, 10 Nov - Sat, 14 Nov
Multiple Airlines Logo
19:40 - 11:45SOU  Southampton Eastleigh-CWL Cardiff Wales
16h 05m1 stop Belfast City
Multiple Airlines Logo
08:15 - 08:45CWL  Cardiff Wales-SOU Southampton Eastleigh
24h 30m1 stop Dublin
£211Multiple Airlines
Sat, 14 Nov - Fri, 20 Nov
Multiple Airlines Logo
12:35 - 08:30SOU  Southampton Eastleigh-CWL Cardiff Wales
19h 55m1 stop Belfast City
Multiple Airlines Logo
16:05 - 11:55CWL  Cardiff Wales-SOU Southampton Eastleigh
19h 50m1 stop Dublin
£217Multiple Airlines
Sat, 14 Nov - Fri, 20 Nov
Multiple Airlines Logo
08:50 - 14:25SOU  Southampton Eastleigh-CWL Cardiff Wales
5h 35m1 stop Belfast City
Multiple Airlines Logo
16:05 - 07:45CWL  Cardiff Wales-SOU Southampton Eastleigh
15h 40m2 stops Dublin Glasgow Intl
£225Multiple Airlines
Fri, 6 Nov - Tue, 10 Nov
Multiple Airlines Logo
15:00 - 07:50SOU  Southampton Eastleigh-CWL Cardiff Wales
16h 50m2 stops Barcelona-El Prat Dublin
Multiple Airlines Logo
12:15 - 19:10CWL  Cardiff Wales-SOU Southampton Eastleigh
6h 55m1 stop Belfast City
£250Multiple Airlines
Mon, 23 Nov - Mon, 7 Dec
Aer Lingus Logo
19:40 - 11:45SOU  Southampton Eastleigh-CWL Cardiff Wales
16h 05m1 stop Belfast City
Aer Lingus Logo
09:00 - 15:40CWL  Cardiff Wales-SOU Southampton Eastleigh
6h 40m1 stop Belfast City
£306Aer Lingus
Mon, 23 Nov - Mon, 30 Nov
Aer Lingus Logo
19:40 - 11:45SOU  Southampton Eastleigh-CWL Cardiff Wales
16h 05m1 stop Belfast City
Aer Lingus Logo
09:00 - 19:10CWL  Cardiff Wales-SOU Southampton Eastleigh
10h 10m1 stop Belfast City
£318Aer Lingus
Tue, 10 Nov - Sat, 14 Nov
Multiple Airlines Logo
19:40 - 11:45SOU  Southampton Eastleigh-CWL Cardiff Wales
16h 05m1 stop Belfast City
Multiple Airlines Logo
10:40 - 08:45CWL  Cardiff Wales-SOU Southampton Eastleigh
22h 05m2 stops Puerto del Rosario Fuerteventura Dublin
£324Multiple Airlines
Thu, 19 Nov - Thu, 3 Dec
Aer Lingus Logo
19:40 - 08:30SOU  Southampton Eastleigh-CWL Cardiff Wales
12h 50m1 stop Belfast City
Aer Lingus Logo
09:00 - 15:40CWL  Cardiff Wales-SOU Southampton Eastleigh
6h 40m1 stop Belfast City
£324Aer Lingus
Fri, 6 Nov - Tue, 10 Nov
Multiple Airlines Logo
20:00 - 07:50SOU  Southampton Eastleigh-CWL Cardiff Wales
11h 50m1 stop Dublin
Multiple Airlines Logo
12:15 - 08:50CWL  Cardiff Wales-SOU Southampton Eastleigh
20h 35m3 stops Belfast City Edinburgh Turnhouse Dublin
£333Multiple Airlines
Booking Insights

Price, demand, and travel trends for Southampton to Cardiff flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

Which airline is the cheapest to fly from Southampton to Cardiff?

Aer Lingus (£306) offered the cheapest return ticket from Southampton to Cardiff in the last 5 days.

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Key details for Southampton to Cardiff flights

Cheapest flight

£211
Round-trip flight from Southampton to Cardiff

When to book flights from Southampton to Cardiff

Are your dates flexible? Find out the best times to travel from Southampton to Cardiff based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Southampton to Cardiff flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Do I need a passport to fly from Southampton to Cardiff?

    No, a passport is not required for this domestic route, but you will need another form of identification, such as a driving licence.

  • Have flight prices from Southampton to Cardiff changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £211 to £600. That means the highest observed fare was about 3x higher than the lowest one.

  • Which car hire options are available at Cardiff Wales Airport (CWL)?

    Cardiff Wales Airport (CWL) hosts 5 major car hire companies, with daily rates starting from around £11 for economy cars. Top options include:

    • Alamo
    • Budget
    • Avis
    • Enterprise Rent-A-Car
    • National

  • Which airports can I use when flying from Southampton to Cardiff?

    Flights from Southampton to Cardiff usually depart from Southampton Eastleigh (SOU) and arrive at Cardiff Wales (CWL).

More options for your flight from Southampton to Cardiff

Complete your trip to Cardiff with a hotel stay or car hire

Car hire in Cardiff
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