Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Rennes to London from £171

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rennes to London departing on 17/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Rennes to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:35 - 13:45
RNS
-
SOU
28h 10m
3 stops
Multiple Airlines Logo
17:45 - 11:00
SOU
-
RNS
16h 15m
2 stops
£312Multiple Airlines
tor., 12 feb. - man., 16 feb.
Multiple Airlines Logo
10:35 - 08:25
RNS
-
SOU
22h 50m
2 stops
Multiple Airlines Logo
09:25 - 17:00
SOU
-
RNS
6h 35m
1 stop
£344Multiple Airlines
tor., 12 feb. - man., 16 feb.
Multiple Airlines Logo
10:35 - 13:45
RNS
-
SOU
28h 10m
3 stops
Multiple Airlines Logo
19:55 - 10:20
SOU
-
RNS
37h 25m
3 stops
£347Multiple Airlines
tor., 12 feb. - man., 16 feb.

momondo Fare Finder

 
Customise your flight search to find flights from Rennes to Southampton 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 28 januar 2026.
Use the filters below to find and compare flights from Rennes to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

RennesSouthampton

RNS - SOU

RNSSOU

Rennes St Jacques

tor. 12/2

10:35-13:45

3 stops28h 10m

Southampton Eastleigh

man. 16/2

17:45-11:00

2 stops16h 15m

£312

RennesSouthampton

RNS - SOU

RNSSOU

Rennes St Jacques

tor. 12/2

10:35-08:25

2 stops22h 50m

Southampton Eastleigh

man. 16/2

09:25-17:00

1 stop6h 35m

£344

RennesSouthampton

RNS - SOU

RNSSOU

Rennes St Jacques

tor. 12/2

10:35-13:45

3 stops28h 10m

Southampton Eastleigh

man. 16/2

19:55-10:20

3 stops37h 25m

£347

RennesSouthampton

RNS - SOU

RNSSOU

Rennes St Jacques

tir. 17/3

17:35-08:20

1 stop15h 45m

£171

RennesSouthampton

RNS - SOU

RNSSOU

Rennes St Jacques

tir. 17/3

11:05-08:20

2 stops22h 15m

£221

RennesSouthampton

RNS - SOU

RNSSOU

Rennes St Jacques

tir. 17/3

19:00-15:35

3 stops21h 35m

£438

RennesSouthampton

RNS - SOU

RNSSOU

Rennes St Jacques

man. 16/3

11:05-19:20

2 stops9h 15m

£609

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to London from

How to get the cheapest flight ticket from Rennes to Southampton

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 airline that flies from Rennes St Jacques to Southampton Eastleigh?

KLM is the most popular carrier operating from Rennes St Jacques to Southampton Eastleigh

When to book flights from Rennes to Southampton

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

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

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

Fastest flight time

18h 00m

Direct flights

None
The fastest flight from Rennes to Southampton takes 18h 00m
There are no direct flights from Rennes to Southampton. There are no popular flight routes from Rennes to Southampton.
Search flight deals

  • How far is Rennes St Jacques to Southampton Eastleigh by plane?

    The straight-line distance from Rennes St Jacques to Southampton Eastleigh is 193.5 mi. In terms of flight time, this usually takes a little over 18h 00m.

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

    Prices for flights from Rennes St Jacques Airport to Southampton Eastleigh Airport refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Rennes St Jacques Airport to Southampton Eastleigh Airport.

  • What documentation or ID do you need to fly to Southampton Eastleigh Airport?

    The required travel and health documents for your Southampton Eastleigh Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Southampton Eastleigh Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Portsmouth

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Rennes to Southampton. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Southampton from Rennes on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Southampton from Rennes. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Rennes to Southampton flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Southampton trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
fre. 27/2
fre. 6/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom