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Cheap flights from Rennes to Cardiff from £262

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Rennes to Cardiff departing on 27/2. 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.
KLM Logo
17:35 - 09:50
RNS
-
CWL
17h 15m
1 stop
KLM Logo
10:20 - 17:05
CWL
-
RNS
5h 45m
1 stop
£262KLM
Fri, 27 Feb - Thu, 5 Mar
KLM Logo
11:05 - 16:45
RNS
-
CWL
6h 40m
2 stops
KLM Logo
10:20 - 17:05
CWL
-
RNS
5h 45m
1 stop
£277KLM
Fri, 27 Feb - Thu, 5 Mar
KLM Logo
17:35 - 09:50
RNS
-
CWL
17h 15m
1 stop
KLM Logo
17:15 - 13:55
CWL
-
RNS
19h 40m
1 stop
£283KLM
Fri, 27 Mar - Mon, 30 Mar
KLM Logo
17:35 - 09:50
RNS
-
CWL
17h 15m
1 stop
KLM Logo
17:15 - 10:20
CWL
-
RNS
16h 05m
2 stops
£314KLM
Fri, 27 Mar - Mon, 30 Mar
Multiple Airlines Logo
17:35 - 09:50
RNS
-
CWL
17h 15m
1 stop
Multiple Airlines Logo
10:20 - 17:00
CWL
-
RNS
5h 40m
1 stop
£314Multiple Airlines
Sat, 21 Feb - Wed, 25 Feb
KLM Logo
11:05 - 16:45
RNS
-
CWL
6h 40m
2 stops
KLM Logo
17:25 - 10:20
CWL
-
RNS
15h 55m
2 stops
£319KLM
Fri, 27 Feb - Thu, 5 Mar
Air France Logo
18:20 - 16:45
RNS
-
CWL
23h 25m
2 stops
Air France Logo
17:15 - 10:20
CWL
-
RNS
16h 05m
2 stops
£333Air France
Wed, 1 Apr - Fri, 3 Apr
Multiple Airlines Logo
14:25 - 09:15
RNS
-
CWL
19h 50m
1 stop
Multiple Airlines Logo
17:15 - 10:20
CWL
-
RNS
16h 05m
2 stops
£357Multiple Airlines
Wed, 1 Apr - Fri, 3 Apr
KLM Logo
17:05 - 09:15
RNS
-
CWL
17h 10m
1 stop
KLM Logo
17:35 - 13:55
CWL
-
RNS
19h 20m
1 stop
£371KLM
Sat, 16 May - Sat, 23 May
Multiple Airlines Logo
17:35 - 09:50
RNS
-
CWL
17h 15m
1 stop
Multiple Airlines Logo
19:10 - 20:10
CWL
-
RNS
24h 00m
2 stops
£388Multiple Airlines
Sat, 21 Feb - Wed, 25 Feb

Air France flights from Rennes to Cardiff

Our best Air France deals on Rennes to Cardiff flight tickets
Air France
1 Apr
RNS18:20Rennes St Jacques
23h 25m
2 stops
CWL16:45Cardiff Wales
3 Apr
CWL17:15Cardiff Wales
16h 05m
2 stops
RNS10:20Rennes St Jacques
£333
Air France
14 Feb
RNS11:20Rennes St Jacques
22h 10m
1 stop
CWL08:30Cardiff Wales
18 Feb
CWL10:20Cardiff Wales
23h 00m
2 stops
RNS10:20Rennes St Jacques
£439
Air France
14 Feb
RNS11:20Rennes St Jacques
22h 10m
1 stop
CWL08:30Cardiff Wales
16 Feb
CWL17:45Cardiff Wales
15h 35m
1 stop
RNS10:20Rennes St Jacques
£669

KLM flights from Rennes to Cardiff

Our best KLM deals on Rennes to Cardiff flight tickets
KLM
27 Feb
RNS17:35Rennes St Jacques
17h 15m
1 stop
CWL09:50Cardiff Wales
5 Mar
CWL10:20Cardiff Wales
5h 45m
1 stop
RNS17:05Rennes St Jacques
£262
KLM
27 Feb
RNS11:05Rennes St Jacques
6h 40m
2 stops
CWL16:45Cardiff Wales
5 Mar
CWL10:20Cardiff Wales
5h 45m
1 stop
RNS17:05Rennes St Jacques
£277
KLM
27 Mar
RNS17:35Rennes St Jacques
17h 15m
1 stop
CWL09:50Cardiff Wales
30 Mar
CWL17:15Cardiff Wales
19h 40m
1 stop
RNS13:55Rennes St Jacques
£283

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 5 February 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

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Fri 27/2

17:35-09:50

1 stop17h 15m

Cardiff Wales

Thu 5/3

10:20-17:05

1 stop5h 45m

£262

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Fri 27/2

11:05-16:45

2 stops6h 40m

Cardiff Wales

Thu 5/3

10:20-17:05

1 stop5h 45m

£277

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Fri 27/3

17:35-09:50

1 stop17h 15m

Cardiff Wales

Mon 30/3

17:15-13:55

1 stop19h 40m

£283

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Fri 27/3

17:35-09:50

1 stop17h 15m

Cardiff Wales

Mon 30/3

17:15-10:20

2 stops16h 05m

£314

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Sat 21/2

17:35-09:50

1 stop17h 15m

Cardiff Wales

Wed 25/2

10:20-17:00

1 stop5h 40m

£314

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Fri 27/2

11:05-16:45

2 stops6h 40m

Cardiff Wales

Thu 5/3

17:25-10:20

2 stops15h 55m

£319

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Wed 1/4

18:20-16:45

2 stops23h 25m

Cardiff Wales

Fri 3/4

17:15-10:20

2 stops16h 05m

£333

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Wed 1/4

14:25-09:15

1 stop19h 50m

Cardiff Wales

Fri 3/4

17:15-10:20

2 stops16h 05m

£357

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Sat 16/5

17:05-09:15

1 stop17h 10m

Cardiff Wales

Sat 23/5

17:35-13:55

1 stop19h 20m

£371

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Sat 21/2

17:35-09:50

1 stop17h 15m

Cardiff Wales

Wed 25/2

19:10-20:10

2 stops24h 00m

£388

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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

11h 00m

Direct flights

None
The fastest flight from Rennes to Cardiff takes 11h 00m
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 11h 00m, 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.

  • How do I get Price Alerts for flights from Rennes to Cardiff?

    Search flight deals from Rennes to Cardiff. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Rennes to Cardiff with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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