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Cheap flights from Rennes to Cardiff from £293

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 11/9. 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
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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
17:10 - 06:55
RNS
-
CWL
14h 45m
2 stops
Multiple Airlines Logo
21:45 - 15:25
CWL
-
RNS
16h 40m
2 stops
£293Multiple Airlines
Fri, 11 Sep - Sun, 13 Sep
Multiple Airlines Logo
17:10 - 06:55
RNS
-
CWL
14h 45m
2 stops
Multiple Airlines Logo
21:45 - 10:20
CWL
-
RNS
35h 35m
3 stops
£334Multiple Airlines
Fri, 11 Sep - Sun, 13 Sep
KLM Logo
14:25 - 09:15
RNS
-
CWL
19h 50m
1 stop
KLM Logo
17:15 - 10:20
CWL
-
RNS
40h 05m
2 stops
£361KLM
Fri, 11 Sep - Sun, 13 Sep
KLM Logo
17:20 - 09:15
RNS
-
CWL
16h 55m
1 stop
KLM Logo
17:15 - 13:55
CWL
-
RNS
19h 40m
1 stop
£388KLM
Sat, 11 Apr - Wed, 15 Apr
KLM Logo
17:20 - 09:15
RNS
-
CWL
16h 55m
1 stop
KLM Logo
17:15 - 10:20
CWL
-
RNS
16h 05m
2 stops
£402KLM
Sat, 11 Apr - Wed, 15 Apr
KLM Logo
14:25 - 09:15
RNS
-
CWL
19h 50m
1 stop
KLM Logo
17:15 - 13:55
CWL
-
RNS
19h 40m
1 stop
£405KLM
Fri, 11 Sep - Sun, 13 Sep
KLM Logo
13:35 - 09:15
RNS
-
CWL
44h 40m
2 stops
KLM Logo
09:45 - 10:20
CWL
-
RNS
23h 35m
2 stops
£431KLM
Sat, 9 May - Sat, 16 May
Multiple Airlines Logo
13:35 - 09:15
RNS
-
CWL
20h 40m
2 stops
Multiple Airlines Logo
09:45 - 16:35
CWL
-
RNS
5h 50m
1 stop
£440Multiple Airlines
Sat, 9 May - Sat, 16 May
Multiple Airlines Logo
13:05 - 09:15
RNS
-
CWL
21h 10m
3 stops
Multiple Airlines Logo
21:45 - 10:20
CWL
-
RNS
35h 35m
3 stops
£444Multiple Airlines
Fri, 11 Sep - Sun, 13 Sep
Multiple Airlines Logo
13:35 - 09:10
RNS
-
CWL
20h 35m
3 stops
Multiple Airlines Logo
23:30 - 13:55
CWL
-
RNS
13h 25m
2 stops
£452Multiple Airlines
Sat, 11 Apr - Wed, 15 Apr

KLM flights from Rennes to Cardiff

Our best KLM deals on Rennes to Cardiff flight tickets
KLM
11 Sept
RNS14:25Rennes St Jacques
19h 50m
1 stop
CWL09:15Cardiff Wales
13 Sept
CWL17:15Cardiff Wales
40h 05m
2 stops
RNS10:20Rennes St Jacques
£361
KLM
11 Apr
RNS17:20Rennes St Jacques
16h 55m
1 stop
CWL09:15Cardiff Wales
15 Apr
CWL17:15Cardiff Wales
19h 40m
1 stop
RNS13:55Rennes St Jacques
£388
KLM
11 Apr
RNS17:20Rennes St Jacques
16h 55m
1 stop
CWL09:15Cardiff Wales
15 Apr
CWL17:15Cardiff Wales
16h 05m
2 stops
RNS10:20Rennes St Jacques
£402

Air France flights from Rennes to Cardiff

Our best Air France deals on Rennes to Cardiff flight tickets
Air France
4 Apr
RNS17:05Rennes St Jacques
24h 40m
1 stop
CWL16:45Cardiff Wales
11 Apr
CWL17:35Cardiff Wales
19h 20m
1 stop
RNS13:55Rennes St Jacques
£278
Air France
4 Apr
RNS17:05Rennes St Jacques
24h 40m
1 stop
CWL16:45Cardiff Wales
11 Apr
CWL09:45Cardiff Wales
23h 35m
2 stops
RNS10:20Rennes St Jacques
£292

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 28 March 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

Fri 11/9

17:10-06:55

2 stops14h 45m

Cardiff Wales

Sun 13/9

21:45-15:25

2 stops16h 40m

£293

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Fri 11/9

17:10-06:55

2 stops14h 45m

Cardiff Wales

Sun 13/9

21:45-10:20

3 stops35h 35m

£334

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Fri 11/9

14:25-09:15

1 stop19h 50m

Cardiff Wales

Sun 13/9

17:15-10:20

2 stops40h 05m

£361

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Sat 11/4

17:20-09:15

1 stop16h 55m

Cardiff Wales

Wed 15/4

17:15-13:55

1 stop19h 40m

£388

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Sat 11/4

17:20-09:15

1 stop16h 55m

Cardiff Wales

Wed 15/4

17:15-10:20

2 stops16h 05m

£402

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Fri 11/9

14:25-09:15

1 stop19h 50m

Cardiff Wales

Sun 13/9

17:15-13:55

1 stop19h 40m

£405

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Sat 9/5

13:35-09:15

2 stops44h 40m

Cardiff Wales

Sat 16/5

09:45-10:20

2 stops23h 35m

£431
Fastest return journey

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Sat 9/5

13:35-09:15

2 stops20h 40m

Cardiff Wales

Sat 16/5

09:45-16:35

1 stop5h 50m

£440

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Fri 11/9

13:05-09:15

3 stops21h 10m

Cardiff Wales

Sun 13/9

21:45-10:20

3 stops35h 35m

£444

RennesCardiff

RNS - CWL

RNSCWL

Rennes St Jacques

Sat 11/4

13:35-09:10

3 stops20h 35m

Cardiff Wales

Wed 15/4

23:30-13:55

2 stops13h 25m

£452

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

7h 00m

Direct flights

None
The fastest flight from Rennes to Cardiff takes 7h 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 7h 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