Cheap flights from Belfast to Rennes

Compare Belfast to Rennes flight deals

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Flight deals from Belfast to Rennes Airport

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 P17,642. 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 March.

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 foundP12,432
Cheapest month to flyMarch

Finding cheap flights from Belfast to Rennes: Frequently asked questions

The best price we found for a return flight from Belfast to Rennes is P12,432. 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 P12,432.
As of March 2026, there are no flights flying from Belfast to Rennes.
The cheapest month to fly from Belfast to Rennes is usually March.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Belfast to Rennes Airport on Monday, 9 March 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

  • Belfast has two main airports where you can kick off your trip. Explore your options for booking a flight from Belfast to Rennes Airport (RNS) leaving from Belfast International Airport (BFS) or George Best Belfast City Airport (BHD).

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

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Be at the airport with enough time to board your flight from Belfast to RNS.

  • In peak travel periods, expect longer queues and get there earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international journeys.

Airports in Belfast

Belfast International Airport (BFS)

  • Stopovers are the ideal opportunity to take a travel break and maybe even explore a different city. When browsing cheap flights from Belfast to RNS leaving from Belfast International Airport (BFS), uncheck the 'Direct flights only' box to find all potential stops. Popular options include:

    • Amsterdam Airport Schiphol (AMS)

    • Charles de Gaulle Airport (CDG)

    • London Gatwick Airport (LGW)

  • Travelling from central Belfast to BFS takes around 2 hours on public transport. If you ride-share, drive or grab a cab, you'll cover the 32 kilometres in 30 minutes or so, depending on traffic.

  • In search of a comfortable hotel near Belfast International Airport? If you've booked an early flight from Belfast to Rennes Airport, these stays will put you moments from check-in:

  • Of all flights leaving Belfast International Airport, 67.55% touch down on time at their destination.

George Best Belfast City Airport (BHD)

  • Make the most of your trip with a stopover on your flight from Belfast to Rennes Airport. Frankfurt Airport (FRA) is one of the main options between George Best Belfast City Airport and RNS.

  • You can arrive at BHD from the centre of Belfast in about 10 minutes by car (depending on traffic conditions). The ride by public transport takes roughly 20 minutes to cover the 8 kilometres or so.

  • Got a crack-of-dawn departure? Think about checking in to one of these hotels near George Best Belfast City Airport the day before your Belfast to RNS flight:

  • George Best Belfast City Airport has an on-time performance of 68.3%. This figure shows how frequently flights that depart from this airport arrive at their destination on time.

About Rennes Airport (RNS)

Getting from Rennes Airport (RNS) to central Rennes

  • Central Rennes is roughly 6 kilometres from Rennes Airport. Travel times by cab or car hire will vary depending on time of day and traffic conditions, so do some research ahead of time.

  • Travelling by public transport takes roughly 50 minutes.

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

  • The cheapest price we've found for a one-way ticket from Belfast to Rennes Airport is P5,990. For a return flight on this route, the best price is P12,432. Depending on when you book and the availability, these fares can change.

  • To pick up cheap flights from Belfast to RNS, book ahead. Airlines generally offer their most competitively priced fares when tickets are first released.

  • The 'Whole month' tool shows you the cheapest Belfast to Rennes Airport tickets throughout the month. It's an easy way to snap up a bargain if your travel dates aren't set in stone.

  • Snapping up a cheap plane ticket from Belfast to RNS is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch when prices go down.

  • Filters make it easier to snap up a deal on your flight from Belfast to Rennes Airport. Pick the airlines, flight times and stops that check all your boxes. Then sort the results by 'Cheapest' to find the most affordable option fast.

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

  • February is the quietest month for flights from Belfast to Rennes Airport (RNS), while July is the most popular. Pick the ideal time to go to Rennes based on whether you like a laid-back vibe or a more bustling atmosphere.

  • When booking your Belfast to RNS plane ticket, consider the kind of weather you prefer. July is the warmest month in Rennes, with temperatures ranging from 11ºC (52ºF) to 28ºC (82ºF).

  • If you'd rather travel in cooler conditions, look for a cheap ticket from Belfast to Rennes Airport in January when temperatures are between 0ºC (32ºF) and 10ºC (50ºF).

More about Rennes

Explore more of France

  • Nantes is just one of the many cities in France waiting to be explored once you've seen the sights of Rennes. Around 97 kilometres away to the south, its best attractions include Les Machines de L'ile, Machines of the Isle Nantes and Chateau des Ducs de Bretagne.

  • Angers is another well-known destination in France and is around 113 kilometres south-east of Rennes. No journey is complete without a visit to La Tapisserie De L'Apocalypse, Chateau du Plessis-Bourre and Collegiale Saint-Martin.

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