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Cheap flights from Northern Ireland to Rennes from £46

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — RNS
16 Nov — 23 Nov1
1 adult
1 adult, Economy

Cheap flight deals from Northern Ireland to Rennes

Keep the following information in mind while searching for Northern Ireland to Rennes flight deals. Data was last updated 17 October 2025.

Round-trip from

£425

One-way from

£46
KLM
  • KLM
  • 10/3-11/3
  • 2 total stops
  • 14h 05m total
  • Northern Ireland to Rennes
Search Deals
easyJet
  • easyJet
  • 11/12
  • 1 total stop
  • 22h 35m total
  • Northern Ireland to Rennes
Search Deals

Find flight deals from Northern Ireland to Rennes

Enter your travel dates to find the best prices.

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 17 October 2025.

Tue 10/306:30BHD - RNS
1 stop9h 35mKLM
Wed 11/317:30RNS - BHD
1 stop4h 30mKLM
Deal found 14/10£425

Cheapflights Fare Finder

 
Customise your flight search to find flights from Northern Ireland to Rennes that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 October 2025.
Use the filters below to find and compare flights from Northern Ireland to Rennes that are best for you.

Fly from

Northern Ireland

Fly to

Rennes

Route

Depart

Return

Price

BelfastRennes

BHD - RNS

BHDRNS

Belfast City

Tue 10/3

06:30-17:05

1 stop9h 35m

Rennes St Jacques

Wed 11/3

17:30-21:00

1 stop4h 30m

£425

BelfastRennes

BFS - RNS

BFSRNS

Belfast Intl

Thu 11/12

21:00-20:35

1 stop22h 35m

£46

BelfastRennes

BHD - RNS

BHDRNS

Belfast City

Thu 11/12

20:00-14:10

1 stop17h 10m

£46

BelfastRennes

BFS - RNS

BFSRNS

Belfast Intl

Thu 11/12

07:05-20:10

2 stops12h 05m

£83

BelfastRennes

BHD - RNS

BHDRNS

Belfast City

Thu 11/12

07:25-20:10

2 stops11h 45m

£89

Flights are sorted by cheapest return flights first.

Deals found on 16/10

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

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland to Rennes. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 35m. Fly via KLM to get the fastest option. The distance between Northern Ireland and Rennes is about 486 mi.

  • 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.

See more FAQs

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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.
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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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