C$126 Cheap Flights from Belfast (BELF) to Rennes (RNS)

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Flight deals from Belfast to Rennes

Looking for a cheap last-minute deal or the best return flight from Belfast to Rennes Airport? If you want to travel next month, return fares start from C$331. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Belfast to Rennes

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

Belfast to Rennes: Alternative routes

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

Belfast to Rennes: Flight information

The things to know before you go.
Cheapest flight foundC$126
Cheapest month to flyJuly

Finding cheap flights from Belfast to Rennes: Frequently asked questions

The best price we found for a return flight from Belfast to Rennes is C$285. 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 Belfast to Rennes. But we found flights with one stop from C$285.
As of May 2026, there are no flights flying from Belfast to Rennes.
The cheapest month to fly from Belfast to Rennes is usually July.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Belfast to Rennes Airport on Tuesday, July 21, 2026.
No airlines currently offer direct flights between Belfast 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 easyJet .

Flying from Belfast to Rennes Airport (RNS): what you need to know

  • Get your vacation planning started by considering where you'll catch your flight from Belfast to Rennes Airport (RNS). Belfast International Airport (BFS) and George Best Belfast City Airport (BHD) are the main airports in Belfast.

  • Rennes Airport is located in Rennes. The city operates in the UTC+1 timezone and is 1 hour ahead of Belfast.

  • Get to the airport on time so you don't miss your flight from Belfast to RNS. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • Popular months like August or other busy periods mean longer waiting times and potential delays. Stay on schedule by getting to the airport even earlier. Aim for at least four hours ahead of international flights and two hours before domestic departures.

Airports in Belfast

Belfast International Airport (BFS)

  • Think about adding a stopover to potentially find a cheaper flight from Belfast to RNS. Simply deselect 'Direct flights only' when browsing departures from Belfast International Airport (BFS). Take a pause at one of these airports:

    • Amsterdam Airport Schiphol Airport (AMS)

    • London Gatwick Airport (LGW)

    • Charles de Gaulle Airport (CDG)

  • From the centre of Belfast, BFS is approximately 32 kilometres away. Use navigation apps or check the official airport website to find the best way to arrive at the terminal.

  • Planning to catch an early flight from Belfast to Rennes Airport? Avoid rushing to the terminal (and enjoy a little extra shut-eye) by picking one of these stays near Belfast International Airport:

George Best Belfast City Airport (BHD)

  • Get the most out of your vacation with a stopover on your flight from Belfast to Rennes Airport. Visit friends or family or cross another city off your list. Whatever you decide to do, check out these options between George Best Belfast City Airport and RNS:

    • London Gatwick Airport (LGW)

    • Charles de Gaulle Airport (CDG)

    • Amsterdam Airport Schiphol Airport (AMS)

  • On public transport, you can travel from central Belfast to BHD in around 22 minutes. The airport is roughly 8 kilometres away, and making the trip by car takes approximately 12 minutes.

  • You're off on vacation, so why not extend it with an extra night away from home? Consider kicking back in one of these accommodation options near George Best Belfast City Airport the day before your flight from Belfast to RNS:

About Rennes Airport (RNS)

Getting from Rennes Airport (RNS) to central Rennes

  • Rennes Airport to the centre of Rennes takes around 22 minutes in a car. It's approximately 11 kilometres away. Discover what options are available, such as car rentals, cabs or ride-sharing services.

  • It'll take around 48 minutes to get there by public transport.

How to find the cheapest flights from Belfast to Rennes Airport (RNS)

  • Pick up a one-way ticket from Belfast to Rennes Airport from C$126 or travel return from just C$285. Prices are accurate at the time of listing and may change based on availability when you book.

  • To pick up flight tickets from Belfast to RNS, book early. Airlines typically offer the most competitive fares when flights are first made available.

  • The 'Whole month' tool shows you the cheapest tickets from Belfast to Rennes Airport across the month. It's an easy way to find a bargain if your trip dates are flexible.

  • Snapping up a cheap ticket from Belfast to RNS is easy with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know as soon as the price has fallen.

  • Play around with the filters to find your ideal journey. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Belfast to Rennes Airport, use the 'Sort by' tool. You can also filter by airline, departure and arrival times, and number of stops.

The best time to fly from Belfast to Rennes Airport (RNS)

  • July is the busiest month for flights from Belfast to Rennes Airport. To skip the crowds, travel to Rennes in February when it's quieter.

  • Before booking a flight from Belfast to RNS, think about the type of weather you enjoy. July is the warmest month in Rennes, with the temperature ranging from 11ºC to 28ºC.

  • Visit in January for cooler conditions. Temperatures average between 0ºC and 10ºC. However, this destination delivers on a good time whenever you book your cheap flights from Belfast to Rennes Airport.

More about Rennes

  • When it comes to looking for somewhere to rest your head, you'll find the most popular stays in Rennes right here. Browse these options once you've locked in your flight from Belfast to Rennes Airport:

  • There are so many things to explore in this city it can be tricky to work out where to start. Les Champs Libres, Microbrasserie RZN City Ales and EcoMuseum du pays de Rennes are top sights which should feature on any well-planned Rennes itinerary.

Complete your Rennes trip with a car rental

  • Finding you a cheap flight from Belfast to Rennes Airport isn't the only trick up our sleeve. Browse our car rentals in Rennes and have more freedom to explore. We search for deals from trusted car rental providers and put them all in one place. Instantly compare offers and then book with no fees.

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