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Cheap flights from Southampton to Rennes from £165

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Southampton to Rennes departing on 25/10. 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
09:25 - 17:05SOU-RNS
6h 40m1 stop
KLM Logo
17:35 - 08:50RNS-SOU
16h 15m1 stop
£248KLM
Find Deal
Sat, 29 Nov - Sat, 6 Dec
KLM Logo
18:05 - 17:00SOU-RNS
21h 55m1 stop
KLM Logo
17:30 - 08:10RNS-SOU
15h 40m1 stop
£249KLM
Find Deal
Sun, 30 Nov - Sun, 7 Dec
KLM Logo
17:30 - 10:20SOU-RNS
15h 50m2 stops
KLM Logo
17:35 - 08:50RNS-SOU
16h 15m1 stop
£251KLM
Find Deal
Sat, 29 Nov - Sat, 6 Dec
KLM Logo
09:30 - 10:20SOU-RNS
23h 50m2 stops
KLM Logo
17:30 - 08:10RNS-SOU
15h 40m1 stop
£253KLM
Find Deal
Sun, 30 Nov - Sun, 7 Dec
KLM Logo
08:50 - 17:05SOU-RNS
7h 15m1 stop
KLM Logo
11:05 - 17:00RNS-SOU
6h 55m2 stops
£270KLM
Find Deal
Thu, 6 Nov - Wed, 12 Nov
KLM Logo
18:05 - 17:05SOU-RNS
22h 00m1 stop
KLM Logo
16:35 - 08:50RNS-SOU
17h 15m1 stop
£281KLM
Find Deal
Thu, 26 Mar - Mon, 30 Mar
KLM Logo
18:05 - 17:05SOU-RNS
22h 00m1 stop
KLM Logo
16:35 - 08:50RNS-SOU
17h 15m1 stop
£283KLM
Find Deal
Thu, 26 Mar - Mon, 30 Mar
KLM Logo
18:05 - 10:20SOU-RNS
15h 15m2 stops
KLM Logo
11:05 - 08:10RNS-SOU
22h 05m2 stops
£284KLM
Find Deal
Sun, 30 Nov - Sun, 7 Dec
Multiple Airlines Logo
09:30 - 08:35SOU-RNS
22h 05m2 stops
Multiple Airlines Logo
09:40 - 08:45RNS-SOU
24h 05m2 stops
£314Multiple Airlines
Find Deal
Sat, 29 Nov - Sat, 6 Dec
Multiple Airlines Logo
18:20 - 19:40SOU-RNS
24h 20m2 stops
Multiple Airlines Logo
14:10 - 08:10RNS-SOU
43h 00m3 stops
£323Multiple Airlines
Find Deal
Sun, 30 Nov - Sun, 7 Dec

KLM flights from Southampton to Rennes

Our best KLM deals on Southampton to Rennes flight tickets
KLM
29 Nov
SOU09:25Southampton Eastleigh
6h 40m
1 stop
RNS17:05Rennes St Jacques
6 Dec
RNS17:35Rennes St Jacques
16h 15m
1 stop
SOU08:50Southampton Eastleigh
£248
Find similar
KLM
30 Nov
SOU18:05Southampton Eastleigh
21h 55m
1 stop
RNS17:00Rennes St Jacques
7 Dec
RNS17:30Rennes St Jacques
15h 40m
1 stop
SOU08:10Southampton Eastleigh
£249
Find similar
KLM
29 Nov
SOU17:30Southampton Eastleigh
15h 50m
2 stops
RNS10:20Rennes St Jacques
6 Dec
RNS17:35Rennes St Jacques
16h 15m
1 stop
SOU08:50Southampton Eastleigh
£251
Find similar

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 17 October 2025.
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

Sat 29/11

09:25-17:05

1 stop6h 40m

Rennes St Jacques

Sat 6/12

17:35-08:50

1 stop16h 15m

£248

SouthamptonRennes

SOU - RNS

SOURNS

Southampton Eastleigh

Sun 30/11

18:05-17:00

1 stop21h 55m

Rennes St Jacques

Sun 7/12

17:30-08:10

1 stop15h 40m

£249

SouthamptonRennes

SOU - RNS

SOURNS

Southampton Eastleigh

Sat 29/11

17:30-10:20

2 stops15h 50m

Rennes St Jacques

Sat 6/12

17:35-08:50

1 stop16h 15m

£251

SouthamptonRennes

SOU - RNS

SOURNS

Southampton Eastleigh

Sun 30/11

09:30-10:20

2 stops23h 50m

Rennes St Jacques

Sun 7/12

17:30-08:10

1 stop15h 40m

£253

SouthamptonRennes

SOU - RNS

SOURNS

Southampton Eastleigh

Thu 6/11

08:50-17:05

1 stop7h 15m

Rennes St Jacques

Wed 12/11

11:05-17:00

2 stops6h 55m

£270

SouthamptonRennes

SOU - RNS

SOURNS

Southampton Eastleigh

Thu 26/3

18:05-17:05

1 stop22h 00m

Rennes St Jacques

Mon 30/3

16:35-08:50

1 stop17h 15m

£281

SouthamptonRennes

SOU - RNS

SOURNS

Southampton Eastleigh

Thu 26/3

18:05-17:05

1 stop22h 00m

Rennes St Jacques

Mon 30/3

16:35-08:50

1 stop17h 15m

£283

SouthamptonRennes

SOU - RNS

SOURNS

Southampton Eastleigh

Sun 30/11

18:05-10:20

2 stops15h 15m

Rennes St Jacques

Sun 7/12

11:05-08:10

2 stops22h 05m

£284

SouthamptonRennes

SOU - RNS

SOURNS

Southampton Eastleigh

Sat 29/11

09:30-08:35

2 stops22h 05m

Rennes St Jacques

Sat 6/12

09:40-08:45

2 stops24h 05m

£314

SouthamptonRennes

SOU - RNS

SOURNS

Southampton Eastleigh

Sun 30/11

18:20-19:40

2 stops24h 20m

Rennes St Jacques

Sun 7/12

14:10-08:10

3 stops43h 00m

£323

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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 Wednesday is the least expensive day to fly to Rennes. Tickets to fly out on this day can be as low as £114. Flights from Southampton to Rennes on a Saturday will generally be more expensive and average around £171. 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 £92. 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 £158.

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

Direct flights

None
There are no direct flights from Southampton to Rennes. There are no popular flight routes from Southampton to Rennes.
Search flight deals

  • 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 6h 40m.

  • 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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