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Cheap flights from Belfast to Rennes from £148

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — RNS
6 Sep — 13 Sep1
1 adult

Cheap flight deals from Belfast to Rennes

Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) to Rennes (RNS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 1 September 2025.

Round-trip from

£148
easyJet
  • easyJet
  • 15/10-22/10
  • 2 total stops
  • 13h 50m total
  • Belfast to Rennes
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Find flight deals from Belfast to Rennes

Cheapest flights from Belfast to Rennes
Explore the most affordable flight options available from Belfast to Rennes. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2025.

Wed 15/1006:10BFS - RNS
1 stop8h 30measyJet
Wed 22/1016:15RNS - BFS
1 stop5h 20measyJet
Deal found 31/8£148
Wed 15/1022:05BFS - RNS
2 stops17h 55mMultiple Airlines
Wed 22/1010:40RNS - BFS
1 stop5h 20mMultiple Airlines
Deal found 31/8£177

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast 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 1 September 2025.
Use the filters below to find and compare flights from Belfast to Rennes that are best for you.

Fly from

Belfast

Fly to

Rennes

Route

Depart

Return

Price

BelfastRennes

BFS - RNS

BFSRNS

Belfast Intl

Wed 15/10

06:10-15:40

1 stop8h 30m

Rennes St Jacques

Wed 22/10

16:15-20:35

1 stop5h 20m

£148

BelfastRennes

BFS - RNS

BFSRNS

Belfast Intl

Wed 15/10

22:05-17:00

2 stops17h 55m

Rennes St Jacques

Wed 22/10

10:40-15:00

1 stop5h 20m

£177

Flights are sorted by cheapest return flights first.

Deals found on 31/8

Best time to book a flight from Belfast to Rennes

Have a flexible travel schedule? Discover the best time to fly to Rennes from Belfast 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 Belfast 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 Belfast 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 Belfast?

    Located just 4.0 mi from the city center, Rennes St Jacques is the airport most travelers will use when flying to Rennes from Belfast. Booking flights from Belfast to St Jacques (RNS) should be relatively easy as there are 0 daily inbound flights from Belfast from 0 different airlines.

  • How long is the flight from Belfast to Rennes?

    A quick flight from Belfast to Rennes can take about 8h 30m. easyJet provides one of the quickest options available for as low as £148. Airlines will cover a distance of 494 mi.

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

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

  • How can I find direct flights from Belfast to Rennes?

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

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

    Yes. Cheapflights offers flight deals from Belfast 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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Alternative routes for Belfast to Rennes

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Deals for Belfast to Rennes flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

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

Yes, we can. To see specific flights from Belfast to Rennes with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Belfast 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 Belfast today and book when prices fit your budget.

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