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Cheap flights from Rennes to Cardiff from £194

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 2/6. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
15:25 - 23:05
RNS
-
CWL
8h 40m
2 stops
Multiple Airlines Logo
22:10 - 21:30
CWL
-
RNS
22h 20m
2 stops
£217Multiple Airlines
Wed, 12 Aug - Mon, 17 Aug
KLM Logo
14:25 - 09:15
RNS
-
CWL
19h 50m
1 stop
KLM Logo
17:15 - 10:20
CWL
-
RNS
16h 05m
2 stops
£269KLM
Thu, 18 Jun - Wed, 24 Jun
KLM Logo
14:25 - 09:15
RNS
-
CWL
19h 50m
1 stop
KLM Logo
17:15 - 10:20
CWL
-
RNS
16h 05m
2 stops
£271KLM
Wed, 10 Jun - Wed, 17 Jun
KLM Logo
11:05 - 17:05
RNS
-
CWL
7h 00m
2 stops
KLM Logo
17:35 - 13:55
CWL
-
RNS
19h 20m
1 stop
£286KLM
Sat, 6 Jun - Sat, 13 Jun
KLM Logo
11:05 - 09:15
RNS
-
CWL
23h 10m
2 stops
KLM Logo
17:15 - 10:20
CWL
-
RNS
16h 05m
2 stops
£287KLM
Wed, 10 Jun - Wed, 17 Jun
KLM Logo
11:05 - 09:15
RNS
-
CWL
23h 10m
2 stops
KLM Logo
17:15 - 10:20
CWL
-
RNS
16h 05m
2 stops
£288KLM
Thu, 18 Jun - Wed, 24 Jun
Air France Logo
11:05 - 17:05
RNS
-
CWL
7h 00m
2 stops
Air France Logo
09:45 - 10:20
CWL
-
RNS
23h 35m
2 stops
£294Air France
Sat, 6 Jun - Sat, 13 Jun
KLM Logo
14:25 - 09:15
RNS
-
CWL
19h 50m
1 stop
KLM Logo
17:15 - 13:55
CWL
-
RNS
19h 40m
1 stop
£302KLM
Wed, 10 Jun - Wed, 17 Jun
Multiple Airlines Logo
15:25 - 08:35
RNS
-
CWL
18h 10m
3 stops
Multiple Airlines Logo
22:10 - 21:30
CWL
-
RNS
22h 20m
2 stops
£310Multiple Airlines
Wed, 12 Aug - Mon, 17 Aug
KLM Logo
14:20 - 09:15
RNS
-
CWL
19h 55m
1 stop
KLM Logo
17:15 - 10:20
CWL
-
RNS
16h 05m
2 stops
£316KLM
Thu, 28 May - Wed, 3 Jun

KLM flights from Rennes to Cardiff

Our best KLM deals on Rennes to Cardiff flight tickets
KLM
18 Jun
RNS14:25Rennes St Jacques
19h 50m
1 stop
CWL09:15Cardiff Wales
24 Jun
CWL17:15Cardiff Wales
16h 05m
2 stops
RNS10:20Rennes St Jacques
£269
KLM
10 Jun
RNS14:25Rennes St Jacques
19h 50m
1 stop
CWL09:15Cardiff Wales
17 Jun
CWL17:15Cardiff Wales
16h 05m
2 stops
RNS10:20Rennes St Jacques
£271
KLM
6 Jun
RNS11:05Rennes St Jacques
7h 00m
2 stops
CWL17:05Cardiff Wales
13 Jun
CWL17:35Cardiff Wales
19h 20m
1 stop
RNS13:55Rennes St Jacques
£286

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 11 May 2026.
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

Cheapest return flight

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Wed 12/8

15:25-23:05

2 stops8h 40m

Cardiff Wales

Mon 17/8

22:10-21:30

2 stops22h 20m

£217

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Thu 18/6

14:25-09:15

1 stop19h 50m

Cardiff Wales

Wed 24/6

17:15-10:20

2 stops16h 05m

£269

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Wed 10/6

14:25-09:15

1 stop19h 50m

Cardiff Wales

Wed 17/6

17:15-10:20

2 stops16h 05m

£271
Fastest return journey

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Sat 6/6

11:05-17:05

2 stops7h 00m

Cardiff Wales

Sat 13/6

17:35-13:55

1 stop19h 20m

£286

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Wed 10/6

11:05-09:15

2 stops23h 10m

Cardiff Wales

Wed 17/6

17:15-10:20

2 stops16h 05m

£287

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Thu 18/6

11:05-09:15

2 stops23h 10m

Cardiff Wales

Wed 24/6

17:15-10:20

2 stops16h 05m

£288

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Sat 6/6

11:05-17:05

2 stops7h 00m

Cardiff Wales

Sat 13/6

09:45-10:20

2 stops23h 35m

£294

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Wed 10/6

14:25-09:15

1 stop19h 50m

Cardiff Wales

Wed 17/6

17:15-13:55

1 stop19h 40m

£302

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Wed 12/8

15:25-08:35

3 stops18h 10m

Cardiff Wales

Mon 17/8

22:10-21:30

2 stops22h 20m

£310

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Thu 28/5

14:20-09:15

1 stop19h 55m

Cardiff Wales

Wed 3/6

17:15-10:20

2 stops16h 05m

£316

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

Fastest flight time

16h 55m

Direct flights

None
The fastest flight from Rennes to Cardiff takes 16h 55m
There are no direct flights from Rennes to Cardiff. There are no popular flight routes from Rennes to Cardiff.
Search flight deals

Frequently asked questions about flying from Rennes to Cardiff

  • 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 16h 55m, 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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Find better results for your trip to the United Kingdom

Airports servicing Wales

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