$66 Cheap Flights from Rennes (RNS) to Barcelona (BCN)

View $66 flight on Thu, Oct 30, 2025Opens in a new window

Popular airlines from Rennes (RNS-Saint-Jacques) to Barcelona El Prat Airport (BCN)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Rennes to Barcelona (RNS-BCN)

Prices were available within the past 7 days and start at $66 for one-way flights and $261 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

easyJet
Sun, Oct 26 - Thu, Oct 30
RNS
Rennes
BCN
Barcelona
$261 Roundtrip, found 6 days ago
$261
Roundtrip
found 6 days ago
Select easyJet flight, departing Sun, Oct 26 from Rennes to Barcelona, returning Thu, Oct 30, priced at $261 found 6 days ago
easyJet
Sun, Oct 26 - Thu, Oct 30
RNS
Rennes
BCN
Barcelona
$366 Roundtrip, found 6 days ago
$366
Roundtrip
found 6 days ago
Select easyJet flight, departing Sun, Oct 26 from Rennes to Barcelona, returning Thu, Oct 30, priced at $366 found 6 days ago
easyJet
Sun, Oct 26 - Thu, Oct 30
RNS
Rennes
BCN
Barcelona
$429 Roundtrip, found 6 days ago
$429
Roundtrip
found 6 days ago
Select easyJet flight, departing Sun, Oct 26 from Rennes to Barcelona, returning Thu, Oct 30, priced at $429 found 6 days ago
Flights from Rennes (RNS) to Barcelona (BCN)
Origin airport
Saint-Jacques
Destination airport
Barcelona Intl.
Roundtrip price
$261
Distance
503 mi

Rennes to Barcelona Flights

The cheapest times to fly from Rennes to Barcelona

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 Rennes to Barcelona are during the month of October. You can find some of the cheapest flights from Rennes to Barcelona with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Rennes to Barcelona

Sunday is one of the best days to book for cheap flights from Rennes to Barcelona: 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 Rennes to Barcelona

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 Rennes to Barcelona in 2025. You can also book with separate airlines for your outbound and return journeys, from $66 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 Rennes to Barcelona 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 Rennes to Barcelona 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.

 

Frequently asked questions

How much does a flight from Saint-Jacques Airport (RNS) to Barcelona Intl. Airport (BCN) cost?
Get a cheap one-way flight from $66 or cheap return flight from $261 from Saint-Jacques Airport (RNS) to Barcelona Intl. Airport (BCN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Saint-Jacques Airport (RNS) to Barcelona Intl. Airport (BCN)?
Flying in October is a good way to save, as it's the cheapest month for flights between RNS and BCN. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Saint-Jacques Airport (RNS) to Barcelona Intl. Airport (BCN)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest RNS to BCN flight.
How many flights per day from Saint-Jacques Airport (RNS) to Barcelona Intl. Airport (BCN)?
There are no daily nonstop flights departing from Saint-Jacques Airport (RNS) to Barcelona Intl. Airport (BCN). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from RNS to BCN?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on various factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Saint-Jacques Airport (RNS) to Barcelona Intl. Airport (BCN)?
Select a flight from Saint-Jacques Airport (RNS) to Barcelona Intl. Airport (BCN) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Saint-Jacques Airport (RNS) to Barcelona Intl. Airport (BCN) last-minute?
Last-minute bookings from RNS to BCN are typically more expensive. To secure the lowest rates, start looking for flights well in advance. That said, if you can play around with your travel dates, you may score a cheap fare right before your trip.
Is it cheaper to book a RNS to BCN flight and hotel package?
Compared with arranging flights and hotels separately, booking a RNS to BCN flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place will take the hassle out of planning your trip. Just secure your flights and select from our wide range of hotels, then personalize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Saint-Jacques Airport (RNS) to Barcelona Intl. Airport (BCN)?
Typically, you're able to cancel or reschedule your RNS to BCN flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you'd like more information, head to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.