$390 Cheap Flights from Bilbao (BIO) to Rennes (RNS)

View $390 flight on Sun, Nov 16, 2025Opens in a new window

Popular airlines from Bilbao Airport (BIO) to Rennes (RNS-Saint-Jacques)

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Cheap Flights from Bilbao to Rennes (BIO-RNS)

Prices were available within the past 7 days and start at $390 for one-way flights and $504 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Sat, Nov 15 - Fri, Nov 21
BIO
Bilbao
RNS
Rennes
$504 Roundtrip, found 4 days ago
$504
Roundtrip
found 4 days ago
Select KLM flight, departing Sat, Nov 15 from Bilbao to Rennes, returning Fri, Nov 21, priced at $504 found 4 days ago
KLM
Sun, Nov 16 - Sun, Nov 23
BIO
Bilbao
RNS
Rennes
$565 Roundtrip, found 4 days ago
$565
Roundtrip
found 4 days ago
Select KLM flight, departing Sun, Nov 16 from Bilbao to Rennes, returning Sun, Nov 23, priced at $565 found 4 days ago
KLM
Sun, Nov 16 - Sun, Nov 23
BIO
Bilbao
RNS
Rennes
$566 Roundtrip, found 4 days ago
$566
Roundtrip
found 4 days ago
Select KLM flight, departing Sun, Nov 16 from Bilbao to Rennes, returning Sun, Nov 23, priced at $566 found 4 days ago
KLM
Sun, Nov 16 - Sun, Nov 23
BIO
Bilbao
RNS
Rennes
$577 Roundtrip, found 4 days ago
$577
Roundtrip
found 4 days ago
Select KLM flight, departing Sun, Nov 16 from Bilbao to Rennes, returning Sun, Nov 23, priced at $577 found 4 days ago
KLM
Sun, Nov 16 - Sun, Nov 23
BIO
Bilbao
RNS
Rennes
$579 Roundtrip, found 4 days ago
$579
Roundtrip
found 4 days ago
Select KLM flight, departing Sun, Nov 16 from Bilbao to Rennes, returning Sun, Nov 23, priced at $579 found 4 days ago
KLM
Sun, Nov 16 - Sun, Nov 23
BIO
Bilbao
RNS
Rennes
$594 Roundtrip, found 4 days ago
$594
Roundtrip
found 4 days ago
Select KLM flight, departing Sun, Nov 16 from Bilbao to Rennes, returning Sun, Nov 23, priced at $594 found 4 days ago

Frequently asked questions

How much does a flight from Bilbao Airport (BIO) to Saint-Jacques Airport (RNS) cost?
Secure a cheap one-way flight from $390 or cheap return flight from $504 from Bilbao Airport (BIO) to Saint-Jacques Airport (RNS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Bilbao Airport (BIO) to Saint-Jacques Airport (RNS)?
Planning your trip for November is a great way to save, as it's the cheapest month for flights between BIO and RNS. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Bilbao Airport (BIO) to Saint-Jacques Airport (RNS)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from BIO to RNS. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Bilbao Airport (BIO) to Saint-Jacques Airport (RNS)?
You'll need to take a flight with a layover if you're traveling from Bilbao Airport (BIO) to Saint-Jacques Airport (RNS). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from BIO to RNS?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on a number of factors, including 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 Bilbao Airport (BIO) to Saint-Jacques Airport (RNS)?
To avoid potential delays on the Bilbao Airport (BIO) to Saint-Jacques Airport (RNS) route, travel before 3 PM. Departures after this hour have a 22% higher chance of being 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 Bilbao Airport (BIO) to Saint-Jacques Airport (RNS) last-minute?
Booking your ticket from BIO to RNS just before your trip is usually more expensive. But if you're flexible with your travel dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a BIO to RNS flight and hotel package?
Compared with arranging flights and hotels separately, booking a BIO to RNS flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one convenient place will take the hassle out of planning your trip. Just secure your flights and choose from our extensive range of stays, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Bilbao Airport (BIO) to Saint-Jacques Airport (RNS)?
If you reserved your BIO to RNS flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Travel information

Origin airport
Bilbao
Destination airport
Saint-Jacques
Roundtrip price
$503
Distance
333 mi

Book with confidence

Bilbao to Rennes Flights

The cheapest times to fly from Bilbao 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 Bilbao to Rennes are during the month of November. You can find some of the cheapest flights from Bilbao to Rennes with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bilbao to Rennes

Sunday is one of the best days to book for cheap flights from Bilbao 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 Bilbao 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 Bilbao to Rennes in 2025. You can also book with separate airlines for your outbound and return journeys, from $390 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 Bilbao 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 Bilbao 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.

 

Bilbao to Rennes Flights

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*Available to One Key members.