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Cheap flights from Rennes to Northern Ireland from £126

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
RNS — BFS
21 Jun — 28 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Rennes to Northern Ireland

Enter your travel dates to find the best prices.

Cheapest flights from Rennes to Northern Ireland
Explore the most affordable flight options available from Rennes to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 May 2026.

Sat 4/716:50
RNS
-
BFS
1 stop19h 55m
easyJet
Sat 11/721:30
BFS
-
RNS
1 stop11h 00m
easyJet
Deal found 19/5£186
Sat 4/716:50
RNS
-
BFS
2 stops16h 10m
Multiple Airlines
Sat 11/721:40
BFS
-
RNS
1 stop10h 50m
Multiple Airlines
Deal found 19/5£238
Sun 14/614:25
RNS
-
BHD
1 stop19h 55m
KLM
Wed 17/609:50
BHD
-
RNS
2 stops23h 30m
KLM
Deal found 19/5£375
Sun 14/616:25
RNS
-
BHD
2 stops17h 30m
Multiple Airlines
Wed 17/609:50
BHD
-
RNS
2 stops23h 30m
Multiple Airlines
Deal found 19/5£380
Sun 14/614:25
RNS
-
BHD
1 stop19h 55m
KLM
Thu 18/617:30
BHD
-
RNS
2 stops39h 50m
KLM
Deal found 19/5£383
Sun 14/616:25
RNS
-
BHD
2 stops17h 30m
Multiple Airlines
Thu 18/617:30
BHD
-
RNS
2 stops39h 50m
Multiple Airlines
Deal found 19/5£423
Sun 14/616:25
RNS
-
BHD
1 stop5h 10m
easyJet
Wed 17/607:00
BHD
-
RNS
1 stop6h 50m
easyJet
Deal found 19/5£448

Find flight deals from Rennes to Northern Ireland

Keep the following information in mind while searching for Rennes to Northern Ireland flight deals. Data was last updated 22 May 2026.

Round-trip from

£186

One-way from

£126
easyJet
  • easyJet
  • 4/7-11/7
  • 2 total stops
  • 30h 55m total
  • Rennes to Northern Ireland
Search Deals
easyJet
  • easyJet
  • 7/6
  • 1 total stop
  • 16h 20m total
  • Rennes to Northern Ireland
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Rennes to Northern Ireland 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 22 May 2026.
Use the filters below to find and compare flights from Rennes to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

RennesBelfast

RNS - BFS

RNSBFS

Rennes St Jacques

Sat 4/7

16:50-11:45

1 stop19h 55m

Belfast Intl

Sat 11/7

21:30-09:30

1 stop11h 00m

£186

RennesBelfast

RNS - BFS

RNSBFS

Rennes St Jacques

Sat 4/7

16:50-08:00

2 stops16h 10m

Belfast Intl

Sat 11/7

21:40-18:15

2 stops19h 35m

£287

RennesBelfast

RNS - BHD

RNSBHD

Rennes St Jacques

Sun 14/6

14:25-09:20

1 stop19h 55m

Belfast City

Wed 17/6

09:50-10:20

2 stops23h 30m

£375

RennesBelfast

RNS - BHD

RNSBHD

Rennes St Jacques

Sun 14/6

14:25-09:20

1 stop19h 55m

Belfast City

Thu 18/6

17:30-10:20

2 stops39h 50m

£383

RennesBelfast

RNS - BHD

RNSBHD

Rennes St Jacques

Sun 14/6

16:25-08:55

2 stops17h 30m

Belfast City

Thu 18/6

17:30-10:20

2 stops39h 50m

£423
Fastest return journey

RennesBelfast

RNS - BHD

RNSBHD

Rennes St Jacques

Sun 14/6

16:25-20:35

1 stop5h 10m

Belfast City

Wed 17/6

07:00-14:50

1 stop6h 50m

£448
Cheapest one-way

RennesBelfast

RNS - BFS

RNSBFS

Rennes St Jacques

Sun 7/6

16:25-07:45

1 stop16h 20m

£126
Fastest single journey

RennesBelfast

RNS - BHD

RNSBHD

Rennes St Jacques

Sun 7/6

08:10-17:50

3 stops10h 40m

£217

Flights are sorted by cheapest return flights first.

Deals found on 21/5

Sorted by cheapest first

Best time to book a flight from Rennes to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Rennes 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 Rennes to Northern Ireland
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 Rennes to Northern Ireland. 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 from for flights from Rennes to Northern Ireland?

    Located just 4.0 mi from the city center, Rennes St Jacques (RNS) is the airport most travelers will use when flying to Northern Ireland from Rennes.

  • How long is the flight from Rennes to Northern Ireland?

    easyJet and KLM can get you from Rennes to Northern Ireland in just under 19h 55m. Your travel time can differ by up to . There are 494 mi between Rennes and Northern Ireland.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Rennes to Northern Ireland 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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