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Cheap flights from Rennes to Northern Ireland from £122

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
RNS — BFS
24 Mar — 31 Mar1
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 February 2026.

Sat 7/309:40
RNS
-
BFS
1 stop24h 15m
easyJet
Wed 11/308:35
BFS
-
RNS
1 stop10h 00m
easyJet
Deal found 19/2£122
Sat 7/309:40
RNS
-
BHD
1 stop11h 50m
easyJet
Wed 11/314:15
BHD
-
RNS
1 stop4h 20m
easyJet
Deal found 19/2£167
Sat 7/309:40
RNS
-
BFS
2 stops23h 30m
Multiple Airlines
Wed 11/306:30
BFS
-
RNS
2 stops11h 45m
Multiple Airlines
Deal found 19/2£233
Fri 12/617:10
RNS
-
BFS
1 stop4h 25m
easyJet
Mon 15/606:10
BFS
-
RNS
1 stop8h 15m
easyJet
Deal found 20/2£245
Sat 7/311:20
RNS
-
BHD
3 stops27h 25m
Multiple Airlines
Wed 11/307:25
BHD
-
RNS
1 stop11h 10m
Multiple Airlines
Deal found 19/2£248
Fri 12/617:10
RNS
-
BFS
1 stop4h 25m
Multiple Airlines
Mon 15/618:50
BFS
-
RNS
2 stops19h 55m
Multiple Airlines
Deal found 20/2£257
Sat 7/317:35
RNS
-
BHD
1 stop4h 25m
KLM
Wed 11/317:20
BHD
-
RNS
2 stops16h 00m
KLM
Deal found 19/2£262
Fri 12/617:10
RNS
-
BHD
1 stop4h 20m
easyJet
Mon 15/607:00
BHD
-
RNS
1 stop7h 25m
easyJet
Deal found 20/2£306
Fri 12/617:10
RNS
-
BHD
1 stop4h 20m
Multiple Airlines
Mon 15/614:30
BHD
-
RNS
3 stops18h 20m
Multiple Airlines
Deal found 20/2£308
Mon 23/217:10
RNS
-
BHD
1 stop4h 50m
KLM
Thu 26/206:30
BHD
-
RNS
1 stop9h 35m
KLM
Deal found 21/2£369
Mon 23/216:00
RNS
-
BFS
1 stop6h 55m
easyJet
Thu 26/220:05
BFS
-
RNS
1 stop23h 30m
easyJet
Deal found 21/2£374
Thu 20/811:05
RNS
-
BHD
2 stops47h 15m
Multiple Airlines
Sun 23/807:00
BHD
-
RNS
1 stop7h 40m
Multiple Airlines
Deal found 20/2£382

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 February 2026.

Round-trip from

£122
easyJet
  • easyJet
  • 7/3-11/3
  • 2 total stops
  • 34h 15m 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 February 2026.
Use the filters below to find and compare flights from Rennes to Northern Ireland that are best for you.

Fly from

Rennes

Fly to

Northern Ireland

Route

Depart

Return

Price

RennesBelfast

RNS - BFS

RNSBFS

Rennes St Jacques

Sat 7/3

09:40-08:55

1 stop24h 15m

Belfast Intl

Wed 11/3

08:35-19:35

1 stop10h 00m

£122

RennesBelfast

RNS - BHD

RNSBHD

Rennes St Jacques

Sat 7/3

09:40-20:30

1 stop11h 50m

Belfast City

Wed 11/3

14:15-19:35

1 stop4h 20m

£167

RennesBelfast

RNS - BFS

RNSBFS

Rennes St Jacques

Sat 7/3

09:40-08:10

2 stops23h 30m

Belfast Intl

Wed 11/3

06:30-19:15

2 stops11h 45m

£233

RennesBelfast

RNS - BFS

RNSBFS

Rennes St Jacques

Fri 12/6

17:10-20:35

1 stop4h 25m

Belfast Intl

Mon 15/6

06:10-15:25

1 stop8h 15m

£245

RennesBelfast

RNS - BHD

RNSBHD

Rennes St Jacques

Sat 7/3

11:20-13:45

3 stops27h 25m

Belfast City

Wed 11/3

07:25-19:35

1 stop11h 10m

£248

RennesBelfast

RNS - BFS

RNSBFS

Rennes St Jacques

Fri 12/6

17:10-20:35

1 stop4h 25m

Belfast Intl

Mon 15/6

18:50-15:45

2 stops19h 55m

£257

RennesBelfast

RNS - BHD

RNSBHD

Rennes St Jacques

Sat 7/3

17:35-21:00

1 stop4h 25m

Belfast City

Wed 11/3

17:20-10:20

2 stops16h 00m

£262

RennesBelfast

RNS - BHD

RNSBHD

Rennes St Jacques

Fri 12/6

17:10-20:30

1 stop4h 20m

Belfast City

Mon 15/6

07:00-15:25

1 stop7h 25m

£306

RennesBelfast

RNS - BHD

RNSBHD

Rennes St Jacques

Fri 12/6

17:10-20:30

1 stop4h 20m

Belfast City

Mon 15/6

14:30-09:50

3 stops18h 20m

£308

RennesBelfast

RNS - BHD

RNSBHD

Rennes St Jacques

Thu 20/8

11:05-09:20

2 stops47h 15m

Belfast City

Sun 23/8

07:00-15:40

1 stop7h 40m

£382

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 15 results
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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 19h 50m. There are 486 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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