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Cheap flights from Rennes to Cardiff from £157

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 16/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Rennes to Cardiff

Cheap return flights

KLM Logo
17:30 - 09:50RNS-CWL
17h 20m1 stop
KLM Logo
17:15 - 17:05CWL-RNS
22h 50m1 stop
£239KLM
Find Deal
Fri, 31 Oct - Fri, 7 Nov
Multiple Airlines Logo
21:05 - 16:30RNS-CWL
20h 25m2 stops
Multiple Airlines Logo
23:30 - 17:05CWL-RNS
16h 35m2 stops
£246Multiple Airlines
Find Deal
Fri, 12 Dec - Mon, 15 Dec
Multiple Airlines Logo
16:35 - 09:15RNS-CWL
17h 40m1 stop
Multiple Airlines Logo
16:20 - 10:00CWL-RNS
16h 40m2 stops
£250Multiple Airlines
Find Deal
Tue, 14 Oct - Tue, 21 Oct
KLM Logo
16:35 - 16:45RNS-CWL
25h 10m1 stop
KLM Logo
17:15 - 17:05CWL-RNS
22h 50m1 stop
£257KLM
Find Deal
Thu, 23 Oct - Mon, 27 Oct
Multiple Airlines Logo
21:05 - 16:30RNS-CWL
20h 25m2 stops
Multiple Airlines Logo
23:30 - 10:20CWL-RNS
33h 50m3 stops
£262Multiple Airlines
Find Deal
Fri, 12 Dec - Mon, 15 Dec
KLM Logo
17:30 - 09:50RNS-CWL
17h 20m1 stop
KLM Logo
17:15 - 10:20CWL-RNS
16h 05m2 stops
£265KLM
Find Deal
Fri, 14 Nov - Mon, 17 Nov
Multiple Airlines Logo
17:30 - 09:50RNS-CWL
17h 20m1 stop
Multiple Airlines Logo
10:20 - 09:45CWL-RNS
22h 25m2 stops
£267Multiple Airlines
Find Deal
Fri, 12 Dec - Mon, 15 Dec
Air France Logo
06:30 - 16:45RNS-CWL
35h 15m2 stops
Air France Logo
17:35 - 09:40CWL-RNS
39h 05m2 stops
£319Air France
Find Deal
Tue, 30 Sep - Sat, 4 Oct
Air France Logo
06:30 - 16:45RNS-CWL
11h 15m2 stops
Air France Logo
09:50 - 21:05CWL-RNS
10h 15m2 stops
£436Air France
Find Deal
Wed, 1 Oct - Sun, 5 Oct
Air France Logo
06:00 - 16:45RNS-CWL
11h 45m2 stops
Air France Logo
10:20 - 17:00CWL-RNS
5h 40m1 stop
£484Air France
Find Deal
Thu, 23 Oct - Mon, 27 Oct

KLM flights from Rennes to Cardiff

Our best KLM deals on Rennes to Cardiff flight tickets
KLM
31 Oct
RNS17:30Rennes St Jacques
17h 20m
1 stop
CWL09:50Cardiff Wales
7 Nov
CWL17:15Cardiff Wales
22h 50m
1 stop
RNS17:05Rennes St Jacques
£239
Find similar
KLM
23 Oct
RNS16:35Rennes St Jacques
25h 10m
1 stop
CWL16:45Cardiff Wales
27 Oct
CWL17:15Cardiff Wales
22h 50m
1 stop
RNS17:05Rennes St Jacques
£257
Find similar
KLM
14 Nov
RNS17:30Rennes St Jacques
17h 20m
1 stop
CWL09:50Cardiff Wales
17 Nov
CWL17:15Cardiff Wales
16h 05m
2 stops
RNS10:20Rennes St Jacques
£265
Find similar

Air France flights from Rennes to Cardiff

Our best Air France deals on Rennes to Cardiff flight tickets
Air France
30 Sept
RNS06:30Rennes St Jacques
35h 15m
2 stops
CWL16:45Cardiff Wales
4 Oct
CWL17:35Cardiff Wales
39h 05m
2 stops
RNS09:40Rennes St Jacques
£319
Find similar
Air France
1 Oct
RNS06:30Rennes St Jacques
11h 15m
2 stops
CWL16:45Cardiff Wales
5 Oct
CWL09:50Cardiff Wales
10h 15m
2 stops
RNS21:05Rennes St Jacques
£436
Find similar
Air France
23 Oct
RNS06:00Rennes St Jacques
11h 45m
2 stops
CWL16:45Cardiff Wales
27 Oct
CWL10:20Cardiff Wales
5h 40m
1 stop
RNS17:00Rennes St Jacques
£484
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 17 September 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

Fri 31/10

17:30-09:50

1 stop17h 20m

Cardiff Wales

Fri 7/11

17:15-17:05

1 stop22h 50m

£239

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Fri 12/12

21:05-16:30

2 stops20h 25m

Cardiff Wales

Mon 15/12

23:30-17:05

2 stops16h 35m

£246

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Tue 14/10

16:35-09:15

1 stop17h 40m

Cardiff Wales

Tue 21/10

16:20-10:00

2 stops16h 40m

£250

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Thu 23/10

16:35-16:45

1 stop25h 10m

Cardiff Wales

Mon 27/10

17:15-17:05

1 stop22h 50m

£257

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Fri 12/12

21:05-16:30

2 stops20h 25m

Cardiff Wales

Mon 15/12

23:30-10:20

3 stops33h 50m

£262

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Fri 14/11

17:30-09:50

1 stop17h 20m

Cardiff Wales

Mon 17/11

17:15-10:20

2 stops16h 05m

£265

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Fri 12/12

17:30-09:50

1 stop17h 20m

Cardiff Wales

Mon 15/12

10:20-09:45

2 stops22h 25m

£267

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Tue 30/9

06:30-16:45

2 stops35h 15m

Cardiff Wales

Sat 4/10

17:35-09:40

2 stops39h 05m

£319

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Wed 1/10

06:30-16:45

2 stops11h 15m

Cardiff Wales

Sun 5/10

09:50-21:05

2 stops10h 15m

£436

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Thu 23/10

06:00-16:45

2 stops11h 45m

Cardiff Wales

Mon 27/10

10:20-17:00

1 stop5h 40m

£484

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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

Direct flights

None
There are no direct flights from Rennes to Cardiff. There are no popular flight routes from Rennes to Cardiff.
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 35m, 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

Holyhead Anglesey Airport