How long is the flight from Northern Ireland to Rennes?

There are many flights that can get you from Northern Ireland to Rennes in 9h 25m. Fly via easyJet or KLM to get the fastest option. The distance between Northern Ireland and Rennes is about 494 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Rennes ranges from 38.0 - 75.0 inches per month. October is typically the wettest month, when rainfall can reach 75.0 mm. August is typically the driest time to visit Rennes when rainfall is around 38.0 mm.

If weather is an important factor for your trip to Rennes, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 6.0 C).

What is the cheapest time of day to fly from NIR to RNS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Northern Ireland to Rennes as you normally would.

What airport do you fly into for flights to Rennes from Northern Ireland?

Most people fly into Rennes St Jacques (RNS) if they book a flight to Rennes from Northern Ireland. St Jacques is conveniently located just 4.0 mi from Rennes’s city center.

Can I find deals for flights from Northern Ireland to Rennes that include hotel bookings?

Yes. In addition to deals on Northern Ireland to Rennes flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Northern Ireland to Rennes?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to Rennes.

Can I find deals for business class flights from Northern Ireland to Rennes?

Yes. Cheapflights offers flight deals from Northern Ireland to Rennes by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£81+ Cheap Flights from Northern Ireland to Rennes

Cheap flight deals from Northern Ireland to Rennes

Enter your travel dates to find the best prices.

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Best

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Cheapest flights from Northern Ireland to Rennes
Explore the most affordable flight options available from Northern Ireland to Rennes. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 September 2026.

Wed 9/909:45 -

2 stops24h 45m

Fri 11/917:10 -

2 stops15h 50m

Deal found 2/9£243

Wed 9/906:10 -

1 stop7h 40m

Fri 11/917:10 -

1 stop4h 25m

Deal found 2/9£251

Fri 25/906:05 -

1 stop9h 25m

Sun 27/908:10 -

2 stops16h 15m

Deal found 5/9£259

Fri 25/907:00 -

1 stop8h 30m

Sun 27/908:10 -

2 stops25h 45m

Deal found 5/9£269

Fri 25/906:05 -

1 stop9h 25m

Sun 27/916:25 -

1 stop7h 15m

Deal found 5/9£277

Fri 25/907:00 -

1 stop8h 30m

Sun 27/916:25 -

2 stops17h 30m

Deal found 5/9£318

Fri 25/917:30 -

1 stop22h 20m

Sun 27/914:25 -

1 stop19h 55m

Deal found 5/9£328

Wed 9/907:00 -

1 stop6h 50m

Fri 11/917:10 -

2 stops17h 10m

Deal found 2/9£391

Wed 9/907:00 -

1 stop6h 50m

Fri 11/917:10 -

1 stop4h 20m

Deal found 2/9£399

Find flight deals from Northern Ireland to Rennes

Round-trip from	£259
One-way from	£81

25/9-27/9
3 total stops
25h 40m total
Northern Ireland to Rennes

Search Deals

easyJet
15/9-31/12
1 total stop
16h 55m total
Northern Ireland to Rennes

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Northern Ireland to Rennes that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastRennes

BFS Belfast Intl - RNS Rennes St Jacques

BFSRNS

Belfast Intl

Tue 15/9

20:55-14:50

1 stop16h 55m

Rennes St Jacques

Wed 31/12

00:00-00:00

Nonstop0h 00m

£81

BelfastRennes

BFS Belfast Intl - RNS Rennes St Jacques

BFSRNS

Belfast Intl

Tue 15/9

17:10-16:55

2 stops22h 45m

Rennes St Jacques

Wed 31/12

00:00-00:00

Nonstop0h 00m

£101

BelfastRennes

BHD Belfast City - RNS Rennes St Jacques

BHDRNS

Belfast City

Tue 15/9

10:20-14:50

1 stop27h 30m

Rennes St Jacques

Wed 31/12

00:00-00:00

Nonstop0h 00m

£107

BelfastRennes

BHD Belfast City - RNS Rennes St Jacques

BHDRNS

Belfast City

Tue 15/9

17:00-16:55

2 stops22h 55m

Rennes St Jacques

Wed 31/12

00:00-00:00

Nonstop0h 00m

£109

Fastest return journey

BelfastRennes

BFS Belfast Intl - RNS Rennes St Jacques

BFSRNS

Belfast Intl

Fri 25/9

06:05-16:30

1 stop9h 25m

Rennes St Jacques

Sun 27/9

16:25-22:40

1 stop7h 15m

£277

BelfastRennes

BHD Belfast City - RNS Rennes St Jacques

BHDRNS

Belfast City

Fri 25/9

07:00-16:30

1 stop8h 30m

Rennes St Jacques

Sun 27/9

16:25-08:55

2 stops17h 30m

£318

BelfastRennes

BHD Belfast City - RNS Rennes St Jacques

BHDRNS

Belfast City

Fri 25/9

17:30-16:50

1 stop22h 20m

Rennes St Jacques

Sun 27/9

14:25-09:20

1 stop19h 55m

£328

BelfastRennes

BHD Belfast City - RNS Rennes St Jacques

BHDRNS

Belfast City

Fri 25/9

18:20-16:50

2 stops21h 30m

Rennes St Jacques

Sun 27/9

08:10-08:55

2 stops25h 45m

£348

BelfastRennes

BFS Belfast Intl - RNS Rennes St Jacques

BFSRNS

Belfast Intl

Fri 25/9

17:05-16:50

2 stops22h 45m

Rennes St Jacques

Sun 27/9

08:10-23:25

2 stops16h 15m

£358

Flights are sorted by cheapest return flights first.

Deals found on 3/9

Sorted by cheapest first

Best time to book a flight from Northern Ireland to Rennes

Have a flexible travel schedule? Discover the best time to fly to Rennes from Northern Ireland with our price prediction graph.

BFS-RNS

BHD-RNS

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Northern Ireland to Rennes

GBNIR-RNS

BFS-RNS

BHD-RNS

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly into for flights to Rennes from Northern Ireland?
Most people fly into Rennes St Jacques (RNS) if they book a flight to Rennes from Northern Ireland. St Jacques is conveniently located just 4.0 mi from Rennes’s city center.
How long is the flight from Northern Ireland to Rennes?
There are many flights that can get you from Northern Ireland to Rennes in 9h 25m. Fly via easyJet or KLM to get the fastest option. The distance between Northern Ireland and Rennes is about 494 mi. This flight may include one or multiple stops.
Can I find deals for flights from Northern Ireland to Rennes that include hotel bookings?
Yes. In addition to deals on Northern Ireland to Rennes flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Northern Ireland to Rennes?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to Rennes.
Can I find deals for business class flights from Northern Ireland to Rennes?
Yes. Cheapflights offers flight deals from Northern Ireland to Rennes by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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How does Cheapflights help users find flights from Northern Ireland to Rennes?

Cheapflights makes it easy to find Northern Ireland to Rennes flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to Rennes?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Rennes from Northern Ireland.

Can Cheapflights find flights from Northern Ireland to Rennes with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Northern Ireland to Rennes flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Northern Ireland to Rennes become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Rennes from Northern Ireland today and book when prices fit your budget.

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Cheap flights from Northern Ireland to Rennes from £81

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Northern Ireland to Rennes

Cheapest flights from Northern Ireland to RennesExplore the most affordable flight options available from Northern Ireland to Rennes. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 September 2026.

Explore the most affordable flight options available from Northern Ireland to Rennes. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 September 2026.

Best flights from Northern Ireland to RennesDiscover carefully curated flight deals from Northern Ireland to Rennes that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 September 2026.

Discover carefully curated flight deals from Northern Ireland to Rennes that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 September 2026.

Last-minute flights from Northern Ireland to RennesDiscover last-minute flight deals from Northern Ireland to Rennes. Data last updated 6 September 2026 and is based on user searches.

Discover last-minute flight deals from Northern Ireland to Rennes. Data last updated 6 September 2026 and is based on user searches.

One-way flights from Northern Ireland to RennesSearch for one-way flight options from Northern Ireland to Rennes. Find affordable one-way fares based on user searches. Data last updated 6 September 2026.

Search for one-way flight options from Northern Ireland to Rennes. Find affordable one-way fares based on user searches. Data last updated 6 September 2026.

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Best time to book a flight from Northern Ireland to Rennes

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Related info for your journey

What airport do you fly into for flights to Rennes from Northern Ireland?

How long is the flight from Northern Ireland to Rennes?

Can I find deals for flights from Northern Ireland to Rennes that include hotel bookings?

How can I find direct flights from Northern Ireland to Rennes?

Can I find deals for business class flights from Northern Ireland to Rennes?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Northern Ireland to Rennes

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Rennes by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Brittany

Book a non-stop flight to one of these other cities located in Brittany.

Search flights from Northern Ireland to Rennes by cabin class

Find flights from Northern Ireland to Rennes, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Northern Ireland and Rennes flights

Browse other Northern Ireland and Rennes flight options. Last updated on 6 September 2026.

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Can Cheapflights notify me if prices for flights from Northern Ireland to Rennes become cheaper?

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Cheapest flights from Northern Ireland to Rennes
Explore the most affordable flight options available from Northern Ireland to Rennes. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 September 2026.

Best flights from Northern Ireland to Rennes
Discover carefully curated flight deals from Northern Ireland to Rennes that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 September 2026.

Last-minute flights from Northern Ireland to Rennes
Discover last-minute flight deals from Northern Ireland to Rennes. Data last updated 6 September 2026 and is based on user searches.

One-way flights from Northern Ireland to Rennes
Search for one-way flight options from Northern Ireland to Rennes. Find affordable one-way fares based on user searches. Data last updated 6 September 2026.