$239 Cheap Flights from Copenhagen (CPH) to Rennes (RNS)

View $239 flight on Sun, Apr 5, 2026Opens in a new window

Popular airlines from Copenhagen Airport, Kastrup (CPH) to Rennes (RNS-Saint-Jacques)

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Cheap Flights from Copenhagen to Rennes (CPH-RNS)

Prices were available within the past 7 days and start at $239 for one-way flights and $410 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Mon, Mar 23 - Sun, Mar 29
CPH
Copenhagen
RNS
Rennes
$410 Roundtrip, found 1 day ago
$410
Roundtrip
found 1 day ago
Select KLM flight, departing Mon, Mar 23 from Copenhagen to Rennes, returning Sun, Mar 29, priced at $410 found 1 day ago
KLM
Mon, Mar 23 - Sun, Mar 29
CPH
Copenhagen
RNS
Rennes
$411 Roundtrip, found 1 day ago
$411
Roundtrip
found 1 day ago
Select KLM flight, departing Mon, Mar 23 from Copenhagen to Rennes, returning Sun, Mar 29, priced at $411 found 1 day ago
Air France
Mon, Mar 23 - Sun, Mar 29
CPH
Copenhagen
RNS
Rennes
$413 Roundtrip, found 1 day ago
$413
Roundtrip
found 1 day ago
Select Air France flight, departing Mon, Mar 23 from Copenhagen to Rennes, returning Sun, Mar 29, priced at $413 found 1 day ago
Air France
Mon, Mar 23 - Sun, Mar 29
CPH
Copenhagen
RNS
Rennes
$413 Roundtrip, found 1 day ago
$413
Roundtrip
found 1 day ago
Select Air France flight, departing Mon, Mar 23 from Copenhagen to Rennes, returning Sun, Mar 29, priced at $413 found 1 day ago
KLM
Thu, Apr 30 - Thu, May 7
CPH
Copenhagen
RNS
Rennes
$427 Roundtrip, found 1 day ago
$427
Roundtrip
found 1 day ago
Select KLM flight, departing Thu, Apr 30 from Copenhagen to Rennes, returning Thu, May 7, priced at $427 found 1 day ago
KLM
Mon, Mar 23 - Sun, Mar 29
CPH
Copenhagen
RNS
Rennes
$430 Roundtrip, found 1 day ago
$430
Roundtrip
found 1 day ago
Select KLM flight, departing Mon, Mar 23 from Copenhagen to Rennes, returning Sun, Mar 29, priced at $430 found 1 day ago
KLM
Mon, Mar 23 - Sun, Mar 29
CPH
Copenhagen
RNS
Rennes
$431 Roundtrip, found 1 day ago
$431
Roundtrip
found 1 day ago
Select KLM flight, departing Mon, Mar 23 from Copenhagen to Rennes, returning Sun, Mar 29, priced at $431 found 1 day ago
Air France
Mon, Mar 23 - Sun, Mar 29
CPH
Copenhagen
RNS
Rennes
$433 Roundtrip, found 1 day ago
$433
Roundtrip
found 1 day ago
Select Air France flight, departing Mon, Mar 23 from Copenhagen to Rennes, returning Sun, Mar 29, priced at $433 found 1 day ago
KLM
Mon, Mar 23 - Sun, Mar 29
CPH
Copenhagen
RNS
Rennes
$439 Roundtrip, found 1 day ago
$439
Roundtrip
found 1 day ago
Select KLM flight, departing Mon, Mar 23 from Copenhagen to Rennes, returning Sun, Mar 29, priced at $439 found 1 day ago
KLM
Mon, Mar 23 - Sun, Mar 29
CPH
Copenhagen
RNS
Rennes
$439 Roundtrip, found 1 day ago
$439
Roundtrip
found 1 day ago
Select KLM flight, departing Mon, Mar 23 from Copenhagen to Rennes, returning Sun, Mar 29, priced at $439 found 1 day ago

Alternative airports near Rennes

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Saint-Jacques RNS. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $441
RNS
Saint-Jacques
CheapestClosest
Average driving time to city center10 min
Flights from $441

Frequently asked questions

How much does a flight from Copenhagen (CPH-Kastrup) to Rennes (RNS-Saint-Jacques) cost?
You can find cheap one-way flights from $239 and cheap return flights from $410 Copenhagen (CPH-Kastrup) to Rennes (RNS-Saint-Jacques) with Expedia. One-way flights usually range from $314 to $1192, and return flights typically cost between $452 and $1304. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Copenhagen (CPH-Kastrup) to Rennes (RNS-Saint-Jacques) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Copenhagen (CPH-Kastrup) to Rennes (RNS-Saint-Jacques)?
The cheapest month to fly from CPH to RNS is March when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Copenhagen (CPH-Kastrup) to Rennes (RNS-Saint-Jacques)?
Enter CPH to RNS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Copenhagen (CPH-Kastrup) to Rennes (RNS-Saint-Jacques)?
Air France is one of the cheapest airlines offering connecting flights from Copenhagen (CPH) to Rennes (RNS), with round-trip tickets starting from around $645 with a layover in Roissy-Charles de Gaulle (CDG). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Copenhagen (CPH-Kastrup) to Rennes (RNS-Saint-Jacques)?
To find a cheap flight from Copenhagen (CPH-Kastrup) to Rennes (RNS-Saint-Jacques), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Copenhagen (CPH-Kastrup) to Rennes (RNS-Saint-Jacques)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Copenhagen (CPH-Kastrup) to Rennes (RNS-Saint-Jacques)?
The earliest flight from Kastrup Airport (CPH) to Saint-Jacques Airport (RNS) typically departs at around 6:00 AM local time, operated by KLM and Hop!. This is a seasonal service active in January, allowing you to make the most of your day in Rennes. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Copenhagen (CPH-Kastrup) to Rennes (RNS-Saint-Jacques)?
The most popular departure times for flights from Copenhagen (CPH) to Rennes (RNS) are in the late afternoon, from 3pm to 6pm. About 25% of passengers prefer this time window. Many major carriers, including Air France, KLM, and SAS, offer flights during this window. This timing works well because it allows travelers to enjoy a leisurely morning before heading to the airport.
How long does it take to fly from Copenhagen (CPH-Kastrup) to Rennes (RNS-Saint-Jacques)?
A flight from CPH to RNS with a layover takes around 5 hours, with the route covering approximately 803 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Copenhagen (CPH-Kastrup) to Rennes (RNS-Saint-Jacques)?
Business class seats are offered on the CPH to RNS route. Airlines that offer business class service on this route include:

  • KLM
  • Finnair
  • SAS
  • Air France

How do I earn miles on a Copenhagen (CPH-Kastrup) to Rennes (RNS-Saint-Jacques) flight with Expedia?
It's easy to earn miles on a Copenhagen (CPH-Kastrup) to Rennes (RNS-Saint-Jacques) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Rennes from Kastrup (CPH)?
If you're planning to travel to Rennes from Kastrup (CPH), you can fly into Saint-Jacques (RNS) Some flights may connect through major hubs like Roissy-Charles de Gaulle (CDG), Schiphol (AMS), Arlanda (ARN) before reaching Rennes. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Copenhagen (CPH-Kastrup) to Rennes (RNS-Saint-Jacques) at the last minute?
Typically, booking a last minute flight from Copenhagen (CPH-Kastrup) to Rennes (RNS-Saint-Jacques) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Copenhagen (CPH-Kastrup) to Rennes (RNS-Saint-Jacques) flight and hotel package?
Securing a Copenhagen (CPH-Kastrup) to Rennes (RNS-Saint-Jacques) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Copenhagen (CPH-Kastrup) to Rennes (RNS-Saint-Jacques)?
If you booked your Copenhagen (CPH-Kastrup) to Rennes (RNS-Saint-Jacques) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Kastrup
Destination airport
Saint-Jacques
Airlines serving
Air France, KLM
Roundtrip price
$409
Distance
802 mi

Book with confidence

Copenhagen to Rennes Flights

The cheapest times to fly from Copenhagen to Rennes

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Copenhagen to Rennes are during the month of March. You can find some of the cheapest flights from Copenhagen to Rennes with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Copenhagen to Rennes

Sunday is one of the best days to book for cheap flights from Copenhagen to Rennes: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Copenhagen to Rennes

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Copenhagen to Rennes in 2026. You can also book with separate airlines for your outbound and return journeys, from $239 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Copenhagen to Rennes flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Copenhagen to Rennes airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Copenhagen to Rennes Flights

*Flight schedules are subject to change.

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*Available to One Key members.