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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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
RNS — BFS
19 Aug — 26 Aug1
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 20 July 2026.

Fri 28/817:10
RNS
-
BFS
1 stop4h 25m
easyJet
Mon 31/806:10
BFS
-
RNS
1 stop8h 15m
easyJet
Deal found 19/7£268
Thu 27/820:25
RNS
-
BFS
1 stop20h 05m
easyJet
Sun 30/809:55
BFS
-
RNS
1 stop4h 45m
easyJet
Deal found 19/7£268
Fri 28/818:05
RNS
-
BHD
1 stop16h 15m
KLM
Mon 31/817:30
BHD
-
RNS
2 stops39h 50m
KLM
Deal found 19/7£272
Sat 29/812:40
RNS
-
BFS
2 stops20h 20m
Multiple Airlines
Sat 5/920:15
BFS
-
RNS
2 stops19h 05m
Multiple Airlines
Deal found 15/7£279
Fri 28/818:05
RNS
-
BHD
1 stop16h 15m
Multiple Airlines
Mon 31/807:00
BHD
-
RNS
1 stop7h 25m
Multiple Airlines
Deal found 19/7£294
Thu 27/820:25
RNS
-
BFS
2 stops19h 25m
Multiple Airlines
Sun 30/820:20
BFS
-
RNS
3 stops44h 20m
Multiple Airlines
Deal found 19/7£302
Fri 28/818:05
RNS
-
BFS
3 stops23h 25m
Multiple Airlines
Mon 31/806:10
BFS
-
RNS
1 stop8h 15m
Multiple Airlines
Deal found 19/7£310
Thu 27/818:05
RNS
-
BHD
1 stop16h 15m
KLM
Sun 30/817:30
BHD
-
RNS
2 stops39h 50m
KLM
Deal found 19/7£320
Thu 27/820:25
RNS
-
BHD
2 stops19h 30m
Multiple Airlines
Sun 30/815:10
BHD
-
RNS
2 stops15h 55m
Multiple Airlines
Deal found 19/7£358
Sun 19/711:05
RNS
-
BHD
2 stops47h 15m
KLM
Mon 27/717:30
BHD
-
RNS
1 stop23h 05m
KLM
Deal found 17/7£380
Sun 19/710:00
RNS
-
BHD
1 stop7h 55m
easyJet
Mon 27/707:00
BHD
-
RNS
1 stop7h 10m
easyJet
Deal found 17/7£384
Sun 19/711:05
RNS
-
BHD
2 stops47h 15m
Multiple Airlines
Mon 27/715:25
BHD
-
RNS
3 stops41h 55m
Multiple Airlines
Deal found 17/7£590

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 20 July 2026.

Round-trip from

£268

One-way from

£126
easyJet
  • easyJet
  • 28/8-31/8
  • 2 total stops
  • 12h 40m total
  • Rennes to Northern Ireland
Search Deals
12/8
  • 12/8
  • 1 total stop
  • 5h 45m 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 20 July 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
Fastest return journey

RennesBelfast

RNS - BFS

RNSBFS

Rennes St Jacques

Fri 28/8

17:10-20:35

1 stop4h 25m

Belfast Intl

Mon 31/8

06:10-15:25

1 stop8h 15m

£268

RennesBelfast

RNS - BFS

RNSBFS

Rennes St Jacques

Thu 27/8

20:25-15:30

1 stop20h 05m

Belfast Intl

Sun 30/8

09:55-15:40

1 stop4h 45m

£268

RennesBelfast

RNS - BFS

RNSBFS

Rennes St Jacques

Sat 29/8

12:40-08:00

2 stops20h 20m

Belfast Intl

Sat 5/9

20:15-16:20

2 stops19h 05m

£279

RennesBelfast

RNS - BHD

RNSBHD

Rennes St Jacques

Fri 28/8

18:05-09:20

1 stop16h 15m

Belfast City

Mon 31/8

07:00-15:25

1 stop7h 25m

£294

RennesBelfast

RNS - BFS

RNSBFS

Rennes St Jacques

Thu 27/8

20:25-14:50

2 stops19h 25m

Belfast Intl

Sun 30/8

20:20-17:40

3 stops44h 20m

£302

RennesBelfast

RNS - BHD

RNSBHD

Rennes St Jacques

Thu 27/8

18:05-09:20

1 stop16h 15m

Belfast City

Sun 30/8

17:30-10:20

2 stops39h 50m

£320
Cheapest one-way
Fastest single journey

RennesBelfast

RNS - BFS

RNSBFS

Rennes St Jacques

Tue 11/8

22:00-07:30

1 stop10h 30m

£132

RennesBelfast

RNS - BHD

RNSBHD

Rennes St Jacques

Wed 12/8

17:25-08:55

2 stops16h 30m

£155

RennesBelfast

RNS - BHD

RNSBHD

Rennes St Jacques

Tue 11/8

22:00-11:45

2 stops14h 45m

£161

RennesBelfast

RNS - BFS

RNSBFS

Rennes St Jacques

Wed 12/8

17:25-16:15

2 stops23h 50m

£162

Flights are sorted by cheapest return flights first.

Deals found on 19/7

Showing 1-10 of 16 resultsSorted by cheapest first
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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 4h 25m. Your travel time can differ by up to 11h 50m. There are 494 mi between Rennes and Northern Ireland. Both multi-stop and direct flights can be found to your destination and back.

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

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