How to find the cheapest flight from Cardiff (CWL) to Southampton (SOU)
All the information you need to plan the best CWL to SOU flight in 2022: compare Cardiff to Southampton flight prices with the expected peak season, weather and rainfall in Southampton.
What is the cheapest day to fly round-trip from Cardiff to Southampton?
Travelers have found that booking a Thursday departure is the best way to save up to 196% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.
When is the cheapest time to fly from Cardiff to Southampton (CWL - SOU)?
It’s optimal to fly from Cardiff to Southampton in the morning. By choosing this option you can save up to 54% on the cost of your flight, compared to a flight at midday.
How far in advance should I book a flight from Cardiff to Southampton?
Find a great deal and save up to 40% by booking at least 55 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Cardiff to Southampton within the next two weeks, with the cheapest ticket starting at £226.
What is the cheapest month to fly from Cardiff to Southampton?
May is one of the best times of the year to fly to Southampton from Cardiff. Prices for May average £222 per person but you can even find prices for as low as £95. The most expensive prices can be found in the month of January. Opting for a May flight can save you 73% on your journey compared to booking in January
Related info for your journey
Useful info, stats and facts about <span class="emphasized">Cardiff</span> to <span class="emphasized">Southampton</span> flights.
From Cardiff to Southampton
How popular is this Cardiff to Southampton flight route?
Flights from Cardiff Wales to Southampton Eastleigh have been viewed 25 times in the past calendar month.
What are the most popular airlines that fly from Cardiff to Southampton?
Before booking your flight from Cardiff to Southampton check out the most popular airlines for this route: 748 Air Services, National Express or Flybe.