$75 Flights from Brussels (BRUS) to Rennes (RNS)

Compare Brussels to Rennes flight deals

Find the cheapest month or even day of the year to fly to Rennes

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Find the cheapest month to fly from Brussels to Rennes

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Brussels to Rennes flights are currently cheapest in May.

Brussels to Rennes: Alternative routes

Compare routes from Brussels to Rennes below. You may find an airport to fly into that's cheaper, faster, or easier than Rennes.

Brussels to Rennes: Flight information

The things to know before you go.
Cheapest flight found$75
Cheapest month to flyMay

Finding cheap flights from Brussels to Rennes: Frequently asked questions

The best price we found for a round-trip flight from Brussels to Rennes is $180. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Brussels to Rennes. But we found flights with one stop from $180.
There are no flights flying from Brussels to Rennes, as of March 2026.
The cheapest month to fly from Brussels to Rennes is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Brussels to Rennes Airport on Wednesday, April 8, 2026.
No airlines currently offer direct flights between Brussels and Rennes Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Rennes but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Rennes is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Rennes is Ryanair.

Flying from Brussels to Rennes - Saint Jacques Airport (RNS): What you need to know

  • Rennes - Saint Jacques Airport is located in Rennes. The city's timezone is UTC+1 — the same as Brussels.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Be at the airport with enough time to board your flight from Brussels to RNS.

  • During popular months such as October, you'll want to get to the airport earlier. Arrive two hours before domestic departures and four hours ahead for an international flight when you fly during high season in general.

Airports in Brussels

Brussels Airport (BRU)

  • Consider adding a stopover to find cheap flights from Brussels to RNS. Just uncheck 'Direct flights only' when searching for departures from Brussels Airport (BRU). Break up your trip (and maybe get a better deal) by stopping at one of these popular options:

    • Amsterdam Schiphol Airport (AMS)

    • Frankfurt Airport (FRA)

    • Marseille Provence Airport (MRS)

  • BRU is about 8 miles from central Brussels. If you're driving, ride-sharing or catching a cab from the center, it'll take 25 minutes or so to get there, depending on the traffic. If you're planning to take public transport, expect the journey time to be around 20 minutes.

  • Want a leisurely start to your trip? Stay near Brussels Airport. Whether you have an early flight from Brussels to Rennes - Saint Jacques Airport or prefer not to feel hurried, these hotels are the answer:

  • Of all flights leaving Brussels Airport, 72% arrive on time at their destination.

Brussels South Charleroi Airport (CRL)

  • Add another location to your travels or just take a moment to stretch your legs with a stopover. If you'd like to split up your flight from Brussels to Rennes - Saint Jacques Airport, here's where you can stop when taking off from Brussels South Charleroi Airport:

    • Nice Cote d'Azur Airport (NCE)

    • Marseille Provence Airport (MRS)

    • Toulouse-Blagnac Airport (TLS)

  • With public transport, you can travel from central Brussels to CRL in about 1 hour 15 minutes. The terminal is roughly 35 miles away, and making the trip by car takes approximately 55 minutes.

  • Want to enjoy an extra night away before your Brussels to RNS flight? Check in to a hotel near Brussels South Charleroi Airport before your vacation officially starts. These stays are expecting you:

  • Brussels South Charleroi Airport has an on-time performance rate of 72%. This figure gives an insight into how often flights that leave from this airport arrive at their destination on time.

About Rennes - Saint Jacques Airport (RNS)

Getting from Rennes - Saint Jacques Airport (RNS) to central Rennes

  • From Rennes - Saint Jacques Airport, central Rennes is around 4 miles away. It takes about 15 minutes to get to the city center by car.

  • Traveling by public transport will take you roughly 25 minutes.

How to find the cheapest flights from Brussels to Rennes - Saint Jacques Airport (RNS)

  • $75 is currently the lowest price for a one-way ticket from Brussels to Rennes - Saint Jacques Airport. A return flight starts at $180. These fares can change based on availability.

  • To pick up cheap flights from Brussels to RNS, book early. Airlines typically offer lower prices when tickets first go on sale.

  • Cheap Brussels to Rennes - Saint Jacques Airport tickets are easier to find if you're not locked into specific dates. Try using the 'Whole month' search function to compare fares across every month and then pick the cheapest day.

  • Locking in a cheap plane ticket from Brussels to RNS is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll let you know when a better deal is available.

  • Find a cheap flight from Brussels to Rennes - Saint Jacques Airport by using filters. Select your ideal duration, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Brussels to Rennes - Saint Jacques Airport (RNS)

  • January is the quietest month for flights from Brussels to Rennes - Saint Jacques Airport (RNS), while October is the most popular. Find the best time to go to Rennes based on whether you like a bustling atmosphere or a more laid-back vibe.

  • The warmest month in Rennes is July, with temperatures ranging between 52ºF and 82ºF. Book your Brussels to RNS plane ticket then if this is the type of weather you enjoy.

  • Look for cheap tickets from Brussels to Rennes - Saint Jacques Airport in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 32ºF and 50ºF.

More about Rennes

Explore more of France

  • Rennes has its own special appeal, but there are so many other parts of France just waiting to be discovered. About 60 miles south of Rennes, a trip to Nantes will keep you busy. Start with attractions like Machines of the Isle Nantes, Chateau des Ducs de Bretagne and La Machine Association.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.