331 € Cheap Flights from Southampton to Rennes

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Flight deals from Southampton Airport to Rennes Airport

Looking for a cheap last-minute deal or the best return flight from Southampton Airport to Rennes Airport? If you want to travel next month, return fares start from 331 €. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Southampton to Rennes

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

Southampton to Rennes: Alternative routes

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

Southampton to Rennes: Flight information

The things to know before you go.
Cheapest flight found331 €
Cheapest month to flyMarch

Finding cheap flights from Southampton to Rennes: Frequently asked questions

The best price we found for a return flight from Southampton to Rennes is 331 €. 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 Southampton to Rennes. But we found flights with one or more stops from 331 €.
As of February 2026, there are no flights flying from Southampton to Rennes.
The cheapest month to fly from Southampton to Rennes is usually March.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Southampton Airport to Rennes Airport on Wednesday, 18 March 2026.
No airlines currently offer direct flights between Southampton Airport and Rennes 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 Rennes 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 Rennes is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, easyJet offers the cheapest flight tickets to Rennes.

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

  • Rennes's timezone is UTC+1, which makes Rennes one hour ahead of Southampton.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to board your SOU to RNS flight.

  • Flying during a peak month such as August? Major public holidays and other high seasons can mean longer queues at airport checkpoints. Be extra cautious and arrive up to four hours ahead of an international flight and two hours before domestic departures.

  • Choose a stopover if you want to break up your flight. Simply deselect 'Direct flights only' to look at your options for tickets from Southampton Airport to Rennes Airport. Amsterdam Airport Schiphol is a top stopover on the SOU to RNS route.

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

  • The lowest price we've seen for a one-way Southampton Airport to Rennes Airport flight is 115 €. A return ticket right now is 331 €. Depending on the availability when you book, these fares could change.

  • To find cheap tickets from SOU to RNS, book ahead. Airlines generally offer their best fares when flights are first made available.

  • If you can be flexible with your travel dates, use the 'Whole month' search tool. It'll find the lowest price in each month when looking for a flight from Southampton Airport to Rennes Airport.

  • Finding cheap flights from SOU to RNS is a piece of cake with Price Alerts. Simply create one of these automatic alerts and we'll let you know as soon as a new discounted fare appears.

  • Discover the right flight for you by using the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Southampton Airport to Rennes Airport, use the 'Sort by' tool. You can also filter by airline, arrival and departure times, and journey duration.

Handy information about Southampton Airport (SOU)

  • When it comes to the on-time performance of Southampton Airport, 55.7% of flights complete their journey on time.

  • Central Southampton to Southampton Airport is around 8 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're ride-sharing, catching a cab or driving.

  • Planning to catch public transport? Expect a journey time of around 25 minutes.

  • Searching for a handy hotel close to SOU? If you've booked an early flight from Southampton Airport to Rennes Airport, these stays will have you moments from your check-in counter:

Arriving at Rennes Airport (RNS)

  • If you're coming in on a late Southampton Airport to Rennes Airport flight, few things beat the convenience of being close to the terminal. Grab your suitcases from the carousel and then be showered and relaxing not long after at one of these hotels near RNS:

  • Pick up a Rennes Airport rental car and discover Rennes and beyond with your own wheels. Rentscape, Alamo and Enterprise are popular outlets to choose from here.

  • Lock in the lowest price by reserving your vehicle from Rennes Airport about one week before your trip.

Getting from Rennes Airport (RNS) to central Rennes

  • Rennes Airport is approximately 11 kilometres from central Rennes. The drive time takes about 20 minutes.

  • It takes around 50 minutes if you're travelling on public transport.

When to fly to Rennes Airport (RNS)

  • It's time to choose your dates for your flight from Southampton Airport to Rennes Airport. April is the busiest month to head to Rennes. If you'd like a more relaxed vibe, go in February.

  • When reserving your flight from Southampton Airport to Rennes Airport, consider the kind of weather you like. July is the warmest month in Rennes, with temperatures ranging from 11ºC (52ºF) to 28ºC (82ºF).

  • Look for cheap tickets from SOU to RNS in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between 0ºC (32ºF) and 10ºC (50ºF) on average.

Explore more of France

  • Paris is just one of the many places in France waiting to be explored after you've experienced Rennes. Around 306 kilometres away to the east, well-known attractions include Eiffel Tower, Louvre Museum and Cathédrale Notre-Dame de Paris.

  • Around 97 kilometres south of Rennes, Nantes is another essential stop in France. Experience the best of this destination with a visit to Chateau des Ducs de Bretagne, Les Machines de L'ile and Jardin des Plantes.

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