How long is the flight from Cardiff to Southampton?

Aer Lingus and KLM can get you from Cardiff to Southampton in just under 6h 55m. Your travel time can differ by up to 7h 45m. The distance between Cardiff and Southampton is about 91 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in Southampton ranges from 25.0 - 76.0 inches per month. December is typically the wettest month, when rainfall can reach 76.0 mm. July is typically the driest time to visit Southampton when rainfall is around 25.0 mm.

If weather is an important factor for your trip to Southampton, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

What is the cheapest time of day to fly from CWL to SOU?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Cardiff to Southampton as you normally would.

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

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

How can I find direct flights from Cardiff to Southampton?

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

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

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

£164+ Cheap Flights from Cardiff to Southampton

Cheap flight deals from Cardiff to Southampton

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

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Cheapest flights from Cardiff to Southampton
Explore the most affordable flight options available from Cardiff to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2026.

Tue 17/1112:15 -

1 stop6h 55m

Sat 21/1108:50 -

1 stop5h 35m

Deal found 2/11£220

Tue 17/1112:15 -

1 stop20h 05m

Sat 21/1112:25 -

2 stops20h 15m

Deal found 2/11£275

Sun 15/1117:30 -

1 stop14h 40m

Thu 19/1117:35 -

1 stop16h 15m

Deal found 31/10£329

Sun 15/1114:25 -

1 stop18h 25m

Thu 19/1113:55 -

2 stops25h 45m

Deal found 31/10£361

Sun 15/1109:00 -

3 stops23h 50m

Thu 19/1109:20 -

3 stops23h 10m

Deal found 31/10£624

Find flight deals from Cardiff to Southampton

Round-trip from	£220
One-way from	£164

Aer Lingus
17/11-21/11
2 total stops
12h 30m total
Cardiff to Southampton

Search Deals

Aer Lingus
11/11-31/12
1 total stop
23h 50m total
Cardiff to Southampton

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Cardiff to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CardiffSouthampton

CWL Cardiff Wales - SOU Southampton Eastleigh

CWLSOU

Cardiff Wales

Wed 11/11

12:15-12:05

1 stop23h 50m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£164

CardiffSouthampton

CWL Cardiff Wales - SOU Southampton Eastleigh

CWLSOU

Cardiff Wales

Sat 14/11

10:50-08:45

2 stops21h 55m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£197

CardiffSouthampton

CWL Cardiff Wales - SOU Southampton Eastleigh

CWLSOU

Cardiff Wales

Sat 14/11

14:55-12:05

1 stop21h 10m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£258

CardiffSouthampton

CWL Cardiff Wales - SOU Southampton Eastleigh

CWLSOU

Cardiff Wales

Tue 17/11

12:15-08:20

1 stop20h 05m

Southampton Eastleigh

Sat 21/11

12:25-08:40

2 stops20h 15m

£275

CardiffSouthampton

CWL Cardiff Wales - SOU Southampton Eastleigh

CWLSOU

Cardiff Wales

Sun 15/11

17:30-08:10

1 stop14h 40m

Southampton Eastleigh

Thu 19/11

17:35-09:50

1 stop16h 15m

£329

CardiffSouthampton

CWL Cardiff Wales - SOU Southampton Eastleigh

CWLSOU

Cardiff Wales

Sun 15/11

14:25-08:50

1 stop18h 25m

Southampton Eastleigh

Thu 19/11

13:55-15:40

2 stops25h 45m

£361

Fastest return journey

CardiffSouthampton

CWL Cardiff Wales - SOU Southampton Eastleigh

CWLSOU

Cardiff Wales

Wed 11/11

12:15-08:10

3 stops19h 55m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£396

CardiffSouthampton

CWL Cardiff Wales - SOU Southampton Eastleigh

CWLSOU

Cardiff Wales

Sun 15/11

09:00-08:50

3 stops23h 50m

Southampton Eastleigh

Thu 19/11

09:20-08:30

3 stops23h 10m

£624

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Sorted by cheapest first

Best time to book a flight from Cardiff to Southampton

Have a flexible travel schedule? Discover the best time to fly to Southampton from Cardiff with our price prediction graph.

CWL-SOU

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

How long is the flight from Cardiff to Southampton?
Aer Lingus and KLM can get you from Cardiff to Southampton in just under 6h 55m. Your travel time can differ by up to 7h 45m. The distance between Cardiff and Southampton is about 91 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
Can I find deals for flights from Cardiff to Southampton that include hotel bookings?
Yes. In addition to deals on Cardiff to Southampton flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Cardiff to Southampton?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Southampton.
Can I find deals for business class flights from Cardiff to Southampton?
Yes. Cheapflights offers flight deals from Cardiff to Southampton 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

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Why should you use Cheapflights to find cheap flight tickets from Cardiff to Southampton?

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

Certainly. Search results for flights to Southampton 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 Southampton become cheaper?

Yes, Cheapflights offers price alerts on Cardiff to Southampton flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Cardiff to Southampton from £164

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Cardiff to Southampton

Cheapest flights from Cardiff to SouthamptonExplore the most affordable flight options available from Cardiff to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2026.

Explore the most affordable flight options available from Cardiff to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2026.

Best flights from Cardiff to SouthamptonDiscover carefully curated flight deals from Cardiff to Southampton that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 November 2026.

Discover carefully curated flight deals from Cardiff to Southampton that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 November 2026.

Last-minute flights from Cardiff to SouthamptonDiscover last-minute flight deals from Cardiff to Southampton. Data last updated 5 November 2026 and is based on user searches.

Discover last-minute flight deals from Cardiff to Southampton. Data last updated 5 November 2026 and is based on user searches.

One-way flights from Cardiff to SouthamptonSearch for one-way flight options from Cardiff to Southampton. Find affordable one-way fares based on user searches. Data last updated 5 November 2026.

Search for one-way flight options from Cardiff to Southampton. Find affordable one-way fares based on user searches. Data last updated 5 November 2026.

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Best time to book a flight from Cardiff to Southampton

Have a flexible travel schedule? Discover the best time to fly to Southampton from Cardiff with our price prediction graph.

Related info for your journey

How long is the flight from Cardiff to Southampton?

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

How can I find direct flights from Cardiff to Southampton?

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

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.

Alternative routes for Cardiff to Southampton

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Southampton by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from Cardiff to Southampton by cabin class

Find flights from Cardiff to Southampton, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Cardiff and Southampton flights

Browse other Cardiff and Southampton flight options. Last updated on 5 November 2026.

Other flights from Cardiff

Browse through other flights departing from Cardiff. Flights are based on user searches made on Cheapflights and were last updated on 5 November 2026.

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Other flights to Southampton

Explore flights to Southampton departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 5 November 2026.

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How does Cheapflights help users find flights from Cardiff to Southampton?

Why should you use Cheapflights to find cheap flight tickets from Cardiff to Southampton?

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

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

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Cheapest flights from Cardiff to Southampton
Explore the most affordable flight options available from Cardiff to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2026.

Best flights from Cardiff to Southampton
Discover carefully curated flight deals from Cardiff to Southampton that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 November 2026.

Last-minute flights from Cardiff to Southampton
Discover last-minute flight deals from Cardiff to Southampton. Data last updated 5 November 2026 and is based on user searches.

One-way flights from Cardiff to Southampton
Search for one-way flight options from Cardiff to Southampton. Find affordable one-way fares based on user searches. Data last updated 5 November 2026.