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Cheap flights from Rennes to Cardiff from £105

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 28/9. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Rennes to Cardiff

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
16:00 - 09:05RNS  Rennes St Jacques-CWL Cardiff Wales
18h 05m2 stops London Gatwick Malaga
Multiple Airlines Logo
21:45 - 15:25CWL  Cardiff Wales-RNS Rennes St Jacques
16h 40m2 stops Dublin London Gatwick
£217Multiple Airlines
Mon, 7 Sep - Sun, 13 Sep
Air France Logo
11:05 - 16:45RNS  Rennes St Jacques-CWL Cardiff Wales
30h 40m2 stops Paris Charles de Gaulle Amsterdam Schiphol
Air France Logo
09:45 - 16:50CWL  Cardiff Wales-RNS Rennes St Jacques
6h 05m1 stop Amsterdam Schiphol
£254Air France
Tue, 20 Oct - Sat, 24 Oct
Multiple Airlines Logo
14:25 - 09:15RNS  Rennes St Jacques-CWL Cardiff Wales
19h 50m1 stop Amsterdam Schiphol
Multiple Airlines Logo
09:45 - 16:50CWL  Cardiff Wales-RNS Rennes St Jacques
6h 05m1 stop Amsterdam Schiphol
£256Multiple Airlines
Tue, 20 Oct - Sat, 24 Oct
KLM Logo
17:20 - 09:15RNS  Rennes St Jacques-CWL Cardiff Wales
16h 55m1 stop Amsterdam Schiphol
KLM Logo
09:45 - 16:50CWL  Cardiff Wales-RNS Rennes St Jacques
6h 05m1 stop Amsterdam Schiphol
£258KLM
Sat, 26 Sep - Sat, 3 Oct
KLM Logo
17:20 - 09:15RNS  Rennes St Jacques-CWL Cardiff Wales
16h 55m1 stop Amsterdam Schiphol
KLM Logo
09:45 - 16:50CWL  Cardiff Wales-RNS Rennes St Jacques
6h 05m1 stop Amsterdam Schiphol
£259KLM
Sat, 26 Sep - Sat, 3 Oct
KLM Logo
14:25 - 09:15RNS  Rennes St Jacques-CWL Cardiff Wales
19h 50m1 stop Amsterdam Schiphol
KLM Logo
09:50 - 10:20CWL  Cardiff Wales-RNS Rennes St Jacques
23h 30m2 stops Amsterdam Schiphol Paris Charles de Gaulle
£269KLM
Fri, 25 Sep - Sun, 27 Sep
Multiple Airlines Logo
16:00 - 09:05RNS  Rennes St Jacques-CWL Cardiff Wales
18h 05m3 stops London Gatwick Barcelona-El Prat Malaga
Multiple Airlines Logo
21:45 - 15:25CWL  Cardiff Wales-RNS Rennes St Jacques
16h 40m2 stops Dublin London Gatwick
£270Multiple Airlines
Mon, 7 Sep - Sun, 13 Sep
KLM Logo
14:25 - 09:15RNS  Rennes St Jacques-CWL Cardiff Wales
19h 50m1 stop Amsterdam Schiphol
KLM Logo
17:15 - 10:20CWL  Cardiff Wales-RNS Rennes St Jacques
16h 05m2 stops Amsterdam Schiphol Paris Charles de Gaulle
£279KLM
Thu, 24 Sep - Wed, 30 Sep
KLM Logo
14:25 - 09:15RNS  Rennes St Jacques-CWL Cardiff Wales
19h 50m1 stop Amsterdam Schiphol
KLM Logo
17:15 - 10:20CWL  Cardiff Wales-RNS Rennes St Jacques
16h 05m2 stops Amsterdam Schiphol Paris Charles de Gaulle
£280KLM
Thu, 24 Sep - Wed, 30 Sep
KLM Logo
17:20 - 09:15RNS  Rennes St Jacques-CWL Cardiff Wales
16h 55m1 stop Amsterdam Schiphol
KLM Logo
09:45 - 10:20CWL  Cardiff Wales-RNS Rennes St Jacques
23h 35m2 stops Amsterdam Schiphol Paris Charles de Gaulle
£281KLM
Sat, 26 Sep - Sat, 3 Oct

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Air France flights from Rennes to Cardiff

Our best Air France deals on Rennes to Cardiff flight tickets
Air France
20 Oct
RNS11:05Rennes St Jacques
30h 40m
2 stops
CWL16:45Cardiff Wales
24 Oct
CWL09:45Cardiff Wales
6h 05m
1 stop
RNS16:50Rennes St Jacques
£254
Air France
9 Sept
RNS18:20Rennes St Jacques
23h 25m
2 stops
CWL16:45Cardiff Wales
16 Sept
CWL17:15Cardiff Wales
16h 05m
2 stops
RNS10:20Rennes St Jacques
£306

KLM flights from Rennes to Cardiff

Our best KLM deals on Rennes to Cardiff flight tickets
KLM
26 Sept
RNS17:20Rennes St Jacques
16h 55m
1 stop
CWL09:15Cardiff Wales
3 Oct
CWL09:45Cardiff Wales
6h 05m
1 stop
RNS16:50Rennes St Jacques
£258
KLM
26 Sept
RNS17:20Rennes St Jacques
16h 55m
1 stop
CWL09:15Cardiff Wales
3 Oct
CWL09:45Cardiff Wales
6h 05m
1 stop
RNS16:50Rennes St Jacques
£259
KLM
25 Sept
RNS14:25Rennes St Jacques
19h 50m
1 stop
CWL09:15Cardiff Wales
27 Sept
CWL09:50Cardiff Wales
23h 30m
2 stops
RNS10:20Rennes St Jacques
£269

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 August 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 Rennes St Jacques - CWL Cardiff Wales

RNSCWL

Rennes St Jacques

Mon 7/9

16:00-09:05

2 stops18h 05m

Cardiff Wales

Sun 13/9

21:45-15:25

2 stops16h 40m

£217

RennesCardiff

RNS Rennes St Jacques - CWL Cardiff Wales

RNSCWL

Rennes St Jacques

Tue 20/10

11:05-16:45

2 stops30h 40m

Cardiff Wales

Sat 24/10

09:45-16:50

1 stop6h 05m

£254

RennesCardiff

RNS Rennes St Jacques - CWL Cardiff Wales

RNSCWL

Rennes St Jacques

Tue 20/10

14:25-09:15

1 stop19h 50m

Cardiff Wales

Sat 24/10

09:45-16:50

1 stop6h 05m

£256
Fastest return journey

RennesCardiff

RNS Rennes St Jacques - CWL Cardiff Wales

RNSCWL

Rennes St Jacques

Sat 26/9

17:20-09:15

1 stop16h 55m

Cardiff Wales

Sat 3/10

09:45-16:50

1 stop6h 05m

£258

RennesCardiff

RNS Rennes St Jacques - CWL Cardiff Wales

RNSCWL

Rennes St Jacques

Sat 26/9

17:20-09:15

1 stop16h 55m

Cardiff Wales

Sat 3/10

09:45-16:50

1 stop6h 05m

£259

RennesCardiff

RNS Rennes St Jacques - CWL Cardiff Wales

RNSCWL

Rennes St Jacques

Fri 25/9

14:25-09:15

1 stop19h 50m

Cardiff Wales

Sun 27/9

09:50-10:20

2 stops23h 30m

£269

RennesCardiff

RNS Rennes St Jacques - CWL Cardiff Wales

RNSCWL

Rennes St Jacques

Mon 7/9

16:00-09:05

3 stops18h 05m

Cardiff Wales

Sun 13/9

21:45-15:25

2 stops16h 40m

£270

RennesCardiff

RNS Rennes St Jacques - CWL Cardiff Wales

RNSCWL

Rennes St Jacques

Thu 24/9

14:25-09:15

1 stop19h 50m

Cardiff Wales

Wed 30/9

17:15-10:20

2 stops16h 05m

£279

RennesCardiff

RNS Rennes St Jacques - CWL Cardiff Wales

RNSCWL

Rennes St Jacques

Thu 24/9

14:25-09:15

1 stop19h 50m

Cardiff Wales

Wed 30/9

17:15-10:20

2 stops16h 05m

£280

RennesCardiff

RNS Rennes St Jacques - CWL Cardiff Wales

RNSCWL

Rennes St Jacques

Sat 26/9

17:20-09:15

1 stop16h 55m

Cardiff Wales

Sat 3/10

09:45-10:20

2 stops23h 35m

£281

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 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

Fastest flight time

16h 10m

Direct flights

None
The fastest flight from Rennes to Cardiff takes 16h 10m
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 10m, 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

Holyhead Anglesey Airport