Cheap Flights from Rennes to Southampton

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Compare Rennes to Southampton flight deals

Find the cheapest month or even day of the year to fly to Southampton

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Flight deals from Rennes to Southampton

Looking for a cheap last-minute deal or the best return flight from Rennes to Southampton? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Rennes to Southampton

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Rennes to Southampton flights are currently cheapest in July.

Rennes to Southampton: Alternative routes

Compare routes from Rennes to Southampton below. You may find an airport to fly into that's cheaper, faster, or easier than Southampton.

Rennes to Southampton: Flight information

The things to know before you go.
Cheapest flight found242 €
Cheapest month to flyJuly

Finding cheap flights from Rennes to Southampton: Frequently asked questions

The best price we found for a return flight from Rennes to Southampton is 242 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Rennes to Southampton. But we found flights with one or more stops from 242 €.
As of April 2025, there are no flights flying from Rennes to Southampton.
The cheapest month to fly from Rennes to Southampton is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Rennes Airport to Southampton Airport on Wednesday, 2 July 2025.
No airlines currently offer direct flights between Rennes Airport and Southampton Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Southampton but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Southampton is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, KLM offers the cheapest flight tickets to Southampton.

Travelling from Rennes Airport (RNS) to Southampton Airport (SOU): what you need to know

  • Southampton is one hour behind Rennes and observes the UTC+0 timezone.

  • Leave enough time to catch your RNS to SOU flight. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.

  • During popular months like April, it's a good idea to get to the airport earlier than usual. Arrive two hours before a domestic departure and four hours ahead of international flights whenever you're flying during peak periods in general.

  • Break up your flight or take a detour to a new city with a stopover. Just deselect 'Direct flights only' to see your options when searching for tickets from Rennes Airport to Southampton Airport. Many passengers pass through Amsterdam Airport Schiphol on this route.

How to find the cheapest flights from Rennes Airport (RNS) to Southampton Airport (SOU)

  • 187 € is the best price for a one-way Rennes Airport to Southampton Airport flight. A return flight starts at 242 €. These prices may change based on demand.

  • It's a good idea to book early if you want to find cheap tickets from RNS to SOU. That's because airlines change prices based on demand, which tends to increase closer to the date of departure.

  • Finding cheap flights from Rennes Airport to Southampton Airport is easy if you can be flexible with your trip dates. Use the 'Whole month' search tool to see the lowest prices across every month and bag a great deal.

  • You don't need to check back in every day to find out if fares have gone down when you create a Price Alert. We'll send you an update the moment there's a better deal on cheap flights from RNS to SOU.

  • Tailor your flights using filters. Select your ideal arrival and departure times, airlines and total journey duration. You can also sort results by 'Fastest,' 'Cheapest' or 'Best' flights from Rennes Airport to Southampton Airport.

Handy information about Rennes Airport (RNS)

  • When it comes to the on-time performance of Rennes Airport, data shows 77.88% of flights meet their scheduled arrival time.

  • Rennes Airport is about 11 kilometres from central Rennes. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 20 minutes or so to arrive, depending on the traffic.

  • You can expect a journey time of roughly 50 minutes on public transport.

  • Catching an early flight from Rennes Airport to Southampton Airport? Avoid rushing to the airport (and sneak in some extra snooze time) by picking one of these hotels near RNS:

Arriving at Southampton Airport (SOU)

Getting from Southampton Airport (SOU) to central Southampton

  • From Southampton Airport, Southampton is approximately 8 kilometres away. It takes around 20 minutes to reach the centre driving.

  • Getting there on public transport will take you around 25 minutes.

When to fly to Southampton Airport (SOU)

  • August is the most popular month for flights from Rennes Airport to Southampton Airport. To avoid the crowds, head to Southampton in April.

  • When booking your flight from Rennes Airport to Southampton Airport, consider the kind of weather you like. July is the warmest month in Southampton, with temperatures ranging from 11ºC (52ºF) to 24ºC (75ºF).

  • January sees average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Look for cheap tickets from RNS to SOU sometime around then if you like cooler conditions.

Explore more of United Kingdom

  • London is just one of the many places in United Kingdom waiting to be discovered once you've seen Southampton. Around 113 kilometres away to the north-east, popular attractions include Big Ben, The British Museum and Buckingham Palace.

  • Birmingham is another sought-after destination in United Kingdom and is around 177 kilometres north of Southampton. No trip is complete without visiting Cadbury World, The Library of Birmingham and National Sea Life Centre.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.