$161 Cheap Flights from Cardiff to Southampton
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Flights from Cardiff to Southampton
Cheap flight deals from Cardiff to Southampton Starting at $161
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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CWL 12:00 PM20h 25m1 stopsSOU 8:25 AMCardiff - Southampton | Mon, Mar 31 | Aer Lingus
SOU 4:45 PM15h 35m1 stopsCWL 8:20 AMSouthampton - Cardiff | Thu, Apr 3 | Aer Lingus$251 $39236% OFF36% OFF$392 $251 -
CWL 10:25 AM6h 25m1 stopsSOU 4:50 PMCardiff - Southampton | Tue, Mar 25 | KLM
SOU 5:35 PM15h 40m1 stopsCWL 9:15 AMSouthampton - Cardiff | Mon, Mar 31 | KLM$286 $39227% OFF27% OFF$392 $286 -
CWL 12:00 PM23h 45m1 stopsSOU 11:45 AMCardiff - Southampton | Thu, Apr 3 | Aer Lingus
SOU 11:50 AM23h 40m1 stopsCWL 11:30 AMSouthampton - Cardiff | Mon, Apr 7 | easyJet$291 $39226% OFF26% OFF$392 $291
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CWL 5:25 PM15h 25m1 stopsSOU 8:50 AMCardiff - Southampton | Fri, Mar 21 | KLM
SOU 9:00 AM24h 55m1 stopsCWL 9:55 AMSouthampton - Cardiff | Mon, Mar 24 | KLM$29225% OFF$392 $292
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CWL 5:25 PM15h1 stopsSOU 8:25 AMCardiff - Southampton | Mon, Mar 24 | KLM
SOU 9:20 AM23h 55m1 stopsCWL 9:15 AMSouthampton - Cardiff | Sun, Mar 30 | KLM$29924% OFF$392 $299
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CWL 5:15 PM15h 30m1 stopsSOU 8:45 AMCardiff - Southampton | Wed, Apr 30 | KLM
SOU 9:20 AM23h 55m1 stopsCWL 9:15 AMSouthampton - Cardiff | Mon, May 5 | KLM$30024% OFF$392 $300
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CWL 5:25 PM15h1 stopsSOU 8:25 AMCardiff - Southampton | Thu, Mar 27 | KLM
SOU 5:35 PM15h 40m1 stopsCWL 9:15 AMSouthampton - Cardiff | Wed, Apr 2 | KLM$30323% OFF$392 $303
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CWL 5:15 PM15h 35m1 stopsSOU 8:50 AMCardiff - Southampton | Mon, Mar 31 | KLM
SOU 6:25 PM14h 50m1 stopsCWL 9:15 AMSouthampton - Cardiff | Sun, Apr 6 | KLM$30522% OFF$392 $305
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CWL 5:15 PM15h 30m1 stopsSOU 8:45 AMCardiff - Southampton | Tue, Apr 1 | KLM
SOU 5:35 PM23h 10m1 stopsCWL 4:45 PMSouthampton - Cardiff | Mon, Apr 7 | KLM$30522% OFF$392 $305
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CWL 10:20 AM22h 10m1 stopsSOU 8:30 AMCardiff - Southampton | Wed, Mar 26 | KLM
SOU 5:35 PM15h 40m1 stopsCWL 9:15 AMSouthampton - Cardiff | Tue, Apr 1 | KLM$30622% OFF$392 $306
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CWL 1:00 PM17h 25m1 stopsSOU Invalid DateCardiff - Southampton | Sun, Mar 23 | Normal Airline
SOU 3:00 PM6hNonstopCWL 4:00 PMSouthampton - Cardiff | Tue, Mar 25 | Normal AirlineFind More FlightsFind More Flights
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CWL 12:55 PM24h1 stopsSOU 12:55 PMCardiff - Southampton | Thu, Mar 27 | Aer Lingus$161 $33752% OFF52% OFF$337 $161
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CWL 12:00 PM20h 25m1 stopsSOU 8:25 AMCardiff - Southampton | Tue, Mar 25 | Aer Lingus$185 $33745% OFF45% OFF$337 $185
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CWL 4:05 PM3h 20m1 stopsSOU 7:25 PMCardiff - Southampton | Tue, Mar 25 | Loganair$207 $33739% OFF39% OFF$337 $207 -
CWL 8:15 PM11h 55m1 stopsSOU 8:10 AMCardiff - Southampton | Thu, Mar 27 | Loganair$22733% OFF$337 $227
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CWL 7:45 PM13h 40m1 stopsSOU 9:25 AMCardiff - Southampton | Fri, Apr 25 | Loganair$24627% OFF$337 $246
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CWL 12:00 PM20h 25m1 stopsSOU 8:25 AMCardiff - Southampton | Sat, Apr 26 | Aer Lingus$24727% OFF$337 $247
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CWL 7:45 PM13h 40m1 stopsSOU 9:25 AMCardiff - Southampton | Fri, May 9 | Loganair$25225% OFF$337 $252
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CWL 9:00 AM7h 15m1 stopsSOU 4:15 PMCardiff - Southampton | Fri, May 9 | Aer Lingus$25724% OFF$337 $257
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CWL 9:00 AM23h 25m1 stopsSOU 8:25 AMCardiff - Southampton | Fri, May 2 | Aer Lingus$25923% OFF$337 $259
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CWL 7:45 PM13h 40m1 stopsSOU 9:25 AMCardiff - Southampton | Fri, Apr 18 | Loganair$26322% OFF$337 $263
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CWL 1:00 PM17h 25m1 stopsSOU Invalid DateCardiff - Southampton | Sun, Mar 23 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Frequently Asked Questions
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When are flight tickets from Cardiff (CWL) to Southampton (SOU) the cheapest?
Airlines adjust prices for flights from Cardiff to Southampton based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Cardiff (CWL) to Southampton (SOU) cost?
According to Trip.com's data, the lowest price is around $390. -
What is the transportation method from the main airport to downtown in Southampton?
- The distance from Southampton Airport to downtown is about 5 km. It takes about 20 minutes by taxi.
How to find a cheap flight from Cardiff to Southampton
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Cardiff to Southampton. Book your flights at the right time and save more.
Be flexible with your travel dates to get the cheapest Cardiff to Southampton ticket.
Tap "Date" in the flight search bar to browse the calendar and find airfare from Cardiff to Southampton for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is $161 for a one-way ticket on Thu, Mar 27.
Compare cheap Cardiff to Southampton flight deals from hundreds of airlines.
Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from Cardiff to Southampton. The most affordable airline currently operating on this route is Aer Lingus.
Set up a Price Alert to track fare drops.
Set up a Price Alert for your Cardiff to Southampton route to track ticket prices effortlessly—no need to check manually every day.
Don't miss out on cheap Cardiff to Southampton flight deals and promo codes.
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Book early or wait unitl the last minute to fine the best fares.
It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.
Search for flights on the go.
For the best booking experience on the go, download Trip.com and search for cheap flights from Cardiff to Southampton to access exclusive deals just for you.
Flight Info | Cardiff to Southampton
| Cheapest one-way flight price | $160 |
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| Off-season for travel | March |
| Peak season for travel | April |
| Flight distance | 147.12 km |
| Popular airline | Aer Lingus |
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