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Cheap flights from Southampton to Rennes from £274

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Southampton to Rennes departing on 23/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from Southampton to Rennes

Cheap return flights

Enter your travel dates to find the best prices.
KLM Logo
17:40 - 17:05
SOU
-
RNS
22h 25m
1 stop
KLM Logo
14:25 - 08:35
RNS
-
SOU
19h 10m
1 stop
£274KLM
Mon, 23 Mar - Mon, 30 Mar
Multiple Airlines Logo
09:30 - 19:40
SOU
-
RNS
9h 10m
2 stops
Multiple Airlines Logo
15:55 - 08:40
RNS
-
SOU
17h 45m
2 stops
£280Multiple Airlines
Mon, 23 Mar - Mon, 30 Mar
KLM Logo
17:40 - 17:05
SOU
-
RNS
22h 25m
1 stop
KLM Logo
11:05 - 08:35
RNS
-
SOU
22h 30m
2 stops
£300KLM
Mon, 23 Mar - Mon, 30 Mar
Multiple Airlines Logo
17:45 - 17:05
SOU
-
RNS
22h 20m
3 stops
Multiple Airlines Logo
20:55 - 08:35
RNS
-
SOU
36h 40m
3 stops
£311Multiple Airlines
Mon, 23 Mar - Mon, 30 Mar

KLM flights from Southampton to Rennes

Our best KLM deals on Southampton to Rennes flight tickets
KLM
23 Mar
SOU17:40Southampton Eastleigh
22h 25m
1 stop
RNS17:05Rennes St Jacques
30 Mar
RNS14:25Rennes St Jacques
19h 10m
1 stop
SOU08:35Southampton Eastleigh
£274
KLM
23 Mar
SOU17:40Southampton Eastleigh
22h 25m
1 stop
RNS17:05Rennes St Jacques
30 Mar
RNS11:05Rennes St Jacques
22h 30m
2 stops
SOU08:35Southampton Eastleigh
£300

momondo Fare Finder

 
Customise your flight search to find flights from Southampton to Rennes that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 7 February 2026.
Use the filters below to find and compare flights from Southampton to Rennes that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SouthamptonRennes

SOU - RNS

SOURNS

Southampton Eastleigh

Mon 23/3

17:40-17:05

1 stop22h 25m

Rennes St Jacques

Mon 30/3

14:25-08:35

1 stop19h 10m

£274

SouthamptonRennes

SOU - RNS

SOURNS

Southampton Eastleigh

Mon 23/3

09:30-19:40

2 stops9h 10m

Rennes St Jacques

Mon 30/3

15:55-08:40

2 stops17h 45m

£280

SouthamptonRennes

SOU - RNS

SOURNS

Southampton Eastleigh

Mon 23/3

17:40-17:05

1 stop22h 25m

Rennes St Jacques

Mon 30/3

11:05-08:35

2 stops22h 30m

£300

SouthamptonRennes

SOU - RNS

SOURNS

Southampton Eastleigh

Mon 23/3

17:45-17:05

3 stops22h 20m

Rennes St Jacques

Mon 30/3

20:55-08:35

3 stops36h 40m

£311

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Rennes from

How to get the cheapest flight ticket from Southampton to Rennes

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Rennes?

Our data shows that Friday is the least expensive day to fly to Rennes. Tickets to fly out on this day can be as low as £116. Flights from Southampton to Rennes on a Tuesday will generally be more expensive and average around £237. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Rennes?

According to our data, the cheapest time of day to fly to Rennes is in the afternoon. momondo users have found flights departing from Southampton to Rennes in the afternoon for as low as £91. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Rennes is in the morning when prices are around £176.

When to book flights from Southampton to Rennes

Are you open to changing your travel dates? Check out the ideal times to fly from Southampton to Rennes according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Southampton to Rennes (SOU to RNS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Southampton to Rennes

Fastest flight time

44h 05m

Direct flights

None
The fastest flight from Southampton to Rennes takes 44h 05m
There are no direct flights from Southampton to Rennes. There are no popular flight routes from Southampton to Rennes.
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  • How far is Southampton Eastleigh to Rennes St Jacques by plane?

    A flight from Southampton Eastleigh to Rennes St Jacques will travel around 193.5 mi. By plane, this route typically takes 44h 05m.

  • When did momondo last update prices for flights from Southampton Eastleigh Airport to Rennes St Jacques Airport?

    Prices for flights from Southampton Eastleigh Airport to Rennes St Jacques Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Southampton Eastleigh Airport to Rennes St Jacques Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Southampton Eastleigh Airport to Rennes St Jacques Airport.

  • What documentation or ID do you need to fly to Rennes St Jacques Airport?

    The travel and health documents required for your trip to Rennes St Jacques Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Rennes St Jacques Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Southampton to Rennes?

Finding the right flight to Rennes from Southampton is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Rennes quick and easy, saving you time and money.

Can I find flights from Southampton to Rennes with flexible booking policies on momondo?

momondo does allow users to show only those flights to Rennes from Southampton which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Southampton to Rennes?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Southampton to Rennes.

I’m not ready to book a flight from Southampton to Rennes right now. Can momondo alert me if prices change?

Price alerts on flights to Rennes from Southampton are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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