Cheap flights from Southampton to Cardiff

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Cardiff (CWL)
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How to find the cheapest flight from
Southampton (SOU) to Cardiff (CWL)

All the information you need to plan the best SOU to CWL flight in 2021: compare Southampton to Cardiff flight prices with the expected peak season, weather and rainfall in Cardiff.
SOU - CWL
Price
£141 - £273
CWL
Temperature
8 - 20 °C
CWL
Rainfall
29 - 68 mm

Popular in

February

High demand for flights, 29% potential price rise

Cheapest in

November

Best time to find cheap flights, 27% potential price drop

Average price

£144

Average for round-trip flights in May 2021

Round-trip from

£141

From Southampton to Cardiff

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly return from Southampton to Cardiff?

Travellers have found that booking a Sunday departure is the best way to save up to 85% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

How far in advance should I book a flight from Southampton to Cardiff?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 47 days in advance, which can save you up to 31% on flights from Southampton to Cardiff compared to booking the week you need them. Waiting 47 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £147. For sooner than that we have options available in the next 3 days from £179.

What is the cheapest month to fly from Southampton to Cardiff?

Our data shows that March tends to be the cheapest month to fly to Cardiff from Southampton. Users have commonly found prices around £142 for the month, but tickets can be as low as £93. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from Southampton to Cardiff (SOU - CWL)?

When flying from Southampton to Cardiff, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 10% versus a flight at midday.

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Southampton</span> to <span class="emphasized">Cardiff</span> flights.

Flight FAQs

From Southampton to Cardiff

Are flight prices decreasing from Southampton to Cardiff due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Southampton and Cardiff for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Does it rain more in Southampton or Cardiff?

Expected rainfall in Southampton is same as in Cardiff. You can expect this to be the case over the next 10 days.

Is Southampton weather warmer or cooler than Cardiff?

You can imagine temperatures to be in the 22 °C range in July. The weather in Cardiff is generally colder than Southampton's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.

Alternative routes for Southampton to Cardiff

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

Destination information for Cardiff

Things to know before you go - useful duration and weather info for your trip from Southampton to Cardiff.
Average temperature for May in Cardiff
16.0 °C
Avg rainfall for May in Cardiff
29.0 mm

Airports servicing Southampton

Airports servicing Cardiff

Top 3 airlines flying from Southampton to Cardiff

The chart below displays the airlines Cheapflights users travelling from Southampton to Cardiff choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
AccesRail
£166 £197 No cancel fee N/A

We couldn't confirm the COVID-19 safety measures taken by AccesRail. Please check directly on their website for additional information.

Search AccesRail flights
National Express
£191 £197 No cancel fee N/A

We couldn't confirm the COVID-19 safety measures taken by National Express. Please check directly on their website for additional information.

Search National Express flights
Flybe
£214 £330 No cancel fee N/A

We couldn't confirm the COVID-19 safety measures taken by Flybe. Please check directly on their website for additional information.

Search Flybe flights
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