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Cheap flights from Rennes to Cardiff from £136

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 Cardiff departing on 26/12. 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
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Find the cheapest flights from Rennes to Cardiff

Cheap return flights

KLM Logo
16:50 - 09:15RNS-CWL
17h 25m1 stop
KLM Logo
17:15 - 16:20CWL-RNS
22h 05m1 stop
£232KLM
Find Deal
lør., 20 sep. - fre., 26 sep.
KLM Logo
17:50 - 09:15RNS-CWL
16h 25m1 stop
KLM Logo
17:15 - 10:50CWL-RNS
16h 35m1 stop
£246KLM
Find Deal
fre., 15 aug. - tir., 19 aug.
KLM Logo
06:30 - 16:45RNS-CWL
11h 15m2 stops
KLM Logo
09:50 - 16:30CWL-RNS
5h 40m1 stop
£248KLM
Find Deal
fre., 26 sep. - søn., 28 sep.
KLM Logo
06:30 - 16:45RNS-CWL
11h 15m2 stops
KLM Logo
17:15 - 13:45CWL-RNS
19h 30m2 stops
£261KLM
Find Deal
fre., 26 sep. - søn., 28 sep.
KLM Logo
17:50 - 09:15RNS-CWL
16h 25m1 stop
KLM Logo
09:50 - 11:05CWL-RNS
24h 15m2 stops
£272KLM
Find Deal
fre., 15 aug. - tir., 19 aug.
KLM Logo
16:50 - 09:15RNS-CWL
17h 25m1 stop
KLM Logo
17:15 - 10:15CWL-RNS
16h 00m2 stops
£293KLM
Find Deal
lør., 20 sep. - fre., 26 sep.
KLM Logo
11:45 - 09:15RNS-CWL
22h 30m2 stops
KLM Logo
09:50 - 11:05CWL-RNS
24h 15m2 stops
£307KLM
Find Deal
fre., 15 aug. - tir., 19 aug.
KLM Logo
16:35 - 09:10RNS-CWL
17h 35m1 stop
KLM Logo
09:50 - 16:30CWL-RNS
5h 40m1 stop
£335KLM
Find Deal
fre., 26 sep. - søn., 28 sep.
Logo
11:45 - 07:30RNS-CWL
20h 45m3 stops
Logo
16:20 - 10:00CWL-RNS
16h 40m2 stops
£375
Find Deal
fre., 15 aug. - tir., 19 aug.
Logo
11:20 - 09:15RNS-CWL
22h 55m1 stop
Logo
07:55 - 10:50CWL-RNS
25h 55m2 stops
£403
Find Deal
søn., 17 aug. - tor., 21 aug.

KLM flights from Rennes to Cardiff

Our best KLM deals on Rennes to Cardiff flight tickets
KLM
20 Sept
RNS16:50Rennes St Jacques
17h 25m
1 stop
CWL09:15Cardiff Wales
26 Sept
CWL17:15Cardiff Wales
22h 05m
1 stop
RNS16:20Rennes St Jacques
£232
Find similar
KLM
15 Aug
RNS17:50Rennes St Jacques
16h 25m
1 stop
CWL09:15Cardiff Wales
19 Aug
CWL17:15Cardiff Wales
16h 35m
1 stop
RNS10:50Rennes St Jacques
£246
Find similar
KLM
26 Sept
RNS06:30Rennes St Jacques
11h 15m
2 stops
CWL16:45Cardiff Wales
28 Sept
CWL09:50Cardiff Wales
5h 40m
1 stop
RNS16:30Rennes St Jacques
£248
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Rennes to Cardiff 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 1 august 2025.
Use the filters below to find and compare flights from Rennes to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

lør. 20/9

16:50-09:15

1 stop17h 25m

Cardiff Wales

fre. 26/9

17:15-16:20

1 stop22h 05m

£232

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

fre. 15/8

17:50-09:15

1 stop16h 25m

Cardiff Wales

tir. 19/8

17:15-10:50

1 stop16h 35m

£246

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

fre. 26/9

06:30-16:45

2 stops11h 15m

Cardiff Wales

søn. 28/9

09:50-16:30

1 stop5h 40m

£248

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

fre. 26/9

06:30-16:45

2 stops11h 15m

Cardiff Wales

søn. 28/9

17:15-13:45

2 stops19h 30m

£261

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

fre. 15/8

17:50-09:15

1 stop16h 25m

Cardiff Wales

tir. 19/8

09:50-11:05

2 stops24h 15m

£272

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

lør. 20/9

16:50-09:15

1 stop17h 25m

Cardiff Wales

fre. 26/9

17:15-10:15

2 stops16h 00m

£293

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

fre. 15/8

11:45-09:15

2 stops22h 30m

Cardiff Wales

tir. 19/8

09:50-11:05

2 stops24h 15m

£307

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

fre. 26/9

16:35-09:10

1 stop17h 35m

Cardiff Wales

søn. 28/9

09:50-16:30

1 stop5h 40m

£335

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

fre. 15/8

11:45-07:30

3 stops20h 45m

Cardiff Wales

tir. 19/8

16:20-10:00

2 stops16h 40m

£375

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

søn. 17/8

11:20-09:15

1 stop22h 55m

Cardiff Wales

tor. 21/8

07:55-10:50

2 stops25h 55m

£403

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

See travel insights to Cardiff from

How to get the cheapest flight ticket from Rennes to Cardiff

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 Cardiff Wales?

KLM is the most popular carrier operating from Rennes St Jacques to Cardiff Wales

When to book flights from Rennes to Cardiff

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

Cheap Rennes to Cardiff (RNS to CWL) flight deals and tips

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

Best price found

£136

Fastest flight time

6h 30m

Direct flights

None

Airports in Cardiff

1 airport
The best one-way flight to Cardiff from Rennes in the past 72 hours is £136. The best return flight deal from Rennes to Cardiff found on momondo in the last 72 hours is £232.
The fastest flight from Rennes to Cardiff takes 6h 30m
There are no direct flights from Rennes to Cardiff. Popular non-direct route for this connection is Rennes St Jacques Airport - Cardiff Wales Airport.
There is 1 airport near Cardiff: Cardiff Wales (CWL)
Search flight deals

  • How far is Rennes St Jacques to Cardiff Wales by plane?

    Cardiff Wales is 242.0 mi away from Rennes St Jacques. Flights usually cover this in 6h 30m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Rennes St Jacques Airport to Cardiff Wales Airport are updated daily.

  • How old do you have to be to fly from Rennes St Jacques Airport to Cardiff Wales 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 Rennes St Jacques Airport to Cardiff Wales Airport.

  • What documentation or ID do you need to fly to Cardiff Wales Airport?

    The required travel and health documents for your Cardiff Wales 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 Cardiff Wales Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
Barry
Bridgend

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Rennes to Cardiff . Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Rennes to Cardiff with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Cardiff 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 Cardiff right now. Can momondo alert me if prices change?

Price alerts on flights to Cardiff from Rennes 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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Airports servicing Wales

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