Cheap Flights to Rennes Airport (RNS)

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Compare Rennes Airport flights across hundreds of providers

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

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Flight deals to Rennes

Looking for a cheap last-minute deal or the best return flight to Rennes? Find the lowest prices on one-way and return tickets right here.

Find the cheapest time to fly to Rennes

Flexible on travel dates? Find the cheapest month – or even day – to fly to Rennes.

Airports near Rennes

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

Direct flights to Rennes

Frequently asked questions

The average flight time to Rennes is 1 hour and 58 minutes. We've calculated this based on journeys from Dublin.
Aer Lingus, Qatar Airways, Emerald Airlines all fly direct to Rennes.
The cheapest month to fly to Rennes is usually August.
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.
Yes – the average flight time is 1 hour and 58 minutes.
The best price we found for a return flight to Rennes is 103 €. 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.
After crunching the numbers on our flight calendar, we found that the cheapest date to fly to Rennes Airport is Saturday, 23 August 2025.
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.
Currently, Aer Lingus offers the cheapest flight tickets to Rennes.

Flying to Rennes

The things to know before you go.
Cheapest flight found103 €
Cheapest month to flyAugust
Average flight time1 hr, 58 mins
Most popular airlineAer Lingus
Average flights per week6

Discover Rennes

How to find cheap flights to Rennes Airport (RNS)

  • The lowest price we've seen for a one-way flight to Rennes Airport is 50 €. A return plane ticket to RNS right now is 103 €.

  • Ditch the endless refreshing and stay updated on fares by setting up a Price Alert. As soon as prices on tickets to RNS go down, we'll notify you.

  • To find cheap tickets to Rennes, where Rennes Airport is located, book six months before you travel. That's the general recommendation for scoring the biggest deals.

  • Select 'Add nearby airports' during your search for a better chance of finding cheap flights to Rennes. This will give you more options for where to start and end your trip, along with different fares.

  • If you aren't in a rush to travel to Rennes, consider taking a longer or less direct route. You could find cheaper plane tickets to Rennes Airport by booking a flight with a stop.

Best time to go to Rennes

  • The cheapest month to hop on a flight to Rennes is typically May.

  • To find the cheapest month for flights to RNS, use the 'Whole month' tool. If you're flexible with your dates, keep an eye out for the green prices on the calendar — they show you the lowest fares available that month.

  • If you'd like to experience Rennes at its liveliest, book your flights to RNS for July. Being on holiday during peak periods usually means there's more to see and do compared to other times of the year.

  • February is the least busy time of year to visit if you prefer a more laid-back vibe. There's also a good chance you'll find cheaper prices on plane tickets to Rennes then.

  • Check the weather conditions before you head off. July brings the warmest days in Rennes, with averages of between 11ºC and 28ºC.

  • Temperatures are at their lowest in January, when they range from 0ºC to 10ºC.

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

Getting to central Rennes from Rennes Airport (RNS)

Rennes highlights

Les Champs Libres

  • Around 2 kilometres south of the centre, this popular sight deserves to be high up on your list of must-visits. Start your adventure here after your flight to Rennes Airport.

40mcube

  • Another sight you can't miss, this attraction is about 2 kilometres south-east of central Rennes.

Portes Mordelaises

  • From the heart of the city, this highlight is around 0.80 kilometres south-west. It's also a signature experience on any Rennes visit.

Complete your trip with a Rennes car hire

  • Choose one of our car rentals in Rennes and explore the sights at your leisure. Easily compare rates in one place to get the perfect ride once you've booked your hotel and cheap flight to Rennes Airport.

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