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Cheap flights from Belfast to Rennes from £85

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast to Rennes departing on 15/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from Belfast to Rennes

Cheap return flights

Enter your travel dates to find the best prices.
easyJet Logo
16:05 - 10:00
BFS
-
RNS
16h 55m
1 stop
easyJet Logo
22:00 - 09:55
RNS
-
BFS
12h 55m
1 stop
£171easyJet
Tue, 18 Aug - Tue, 25 Aug
Multiple Airlines Logo
21:25 - 10:00
BFS
-
RNS
11h 35m
1 stop
Multiple Airlines Logo
16:20 - 09:20
RNS
-
BFS
18h 00m
2 stops
£227Multiple Airlines
Tue, 18 Aug - Tue, 25 Aug
easyJet Logo
06:10 - 19:25
BFS
-
RNS
12h 15m
1 stop
easyJet Logo
20:25 - 09:55
RNS
-
BFS
14h 30m
1 stop
£234easyJet
Thu, 20 Aug - Thu, 27 Aug
Multiple Airlines Logo
09:20 - 10:00
BFS
-
RNS
23h 40m
2 stops
Multiple Airlines Logo
16:20 - 09:20
RNS
-
BFS
18h 00m
2 stops
£289Multiple Airlines
Tue, 18 Aug - Tue, 25 Aug
easyJet Logo
22:20 - 16:30
BFS
-
RNS
17h 10m
2 stops
easyJet Logo
20:25 - 09:55
RNS
-
BFS
14h 30m
1 stop
£303easyJet
Thu, 20 Aug - Thu, 27 Aug
Multiple Airlines Logo
12:45 - 15:55
BFS
-
RNS
26h 10m
3 stops
Multiple Airlines Logo
20:25 - 09:55
RNS
-
BFS
14h 30m
1 stop
£326Multiple Airlines
Thu, 20 Aug - Thu, 27 Aug
Multiple Airlines Logo
12:45 - 15:55
BFS
-
RNS
26h 10m
3 stops
Multiple Airlines Logo
20:25 - 15:50
RNS
-
BFS
20h 25m
2 stops
£351Multiple Airlines
Thu, 20 Aug - Thu, 27 Aug
Multiple Airlines Logo
12:45 - 15:55
BFS
-
RNS
26h 10m
3 stops
Multiple Airlines Logo
18:05 - 18:55
RNS
-
BFS
25h 50m
3 stops
£417Multiple Airlines
Thu, 20 Aug - Thu, 27 Aug

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easyJet flights from Belfast to Rennes

Our best easyJet deals on Belfast to Rennes flight tickets
easyJet
18 Aug
BFS16:05Belfast Intl
16h 55m
1 stop
RNS10:00Rennes St Jacques
25 Aug
RNS22:00Rennes St Jacques
12h 55m
1 stop
BFS09:55Belfast Intl
£171
easyJet
20 Aug
BFS06:10Belfast Intl
12h 15m
1 stop
RNS19:25Rennes St Jacques
27 Aug
RNS20:25Rennes St Jacques
14h 30m
1 stop
BFS09:55Belfast Intl
£234
easyJet
20 Aug
BFS22:20Belfast Intl
17h 10m
2 stops
RNS16:30Rennes St Jacques
27 Aug
RNS20:25Rennes St Jacques
14h 30m
1 stop
BFS09:55Belfast Intl
£303

momondo 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, momondo users made 279,928 searches. Data last updated 8 July 2026.
Use the filters below to find and compare flights from Belfast to Rennes that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastRennes

BFS - RNS

BFSRNS

Belfast Intl

Tue 18/8

16:05-10:00

1 stop16h 55m

Rennes St Jacques

Tue 25/8

22:00-09:55

1 stop12h 55m

£171

BelfastRennes

BFS - RNS

BFSRNS

Belfast Intl

Tue 18/8

21:25-10:00

1 stop11h 35m

Rennes St Jacques

Tue 25/8

16:20-09:20

2 stops18h 00m

£227
Fastest return journey

BelfastRennes

BFS - RNS

BFSRNS

Belfast Intl

Thu 20/8

06:10-19:25

1 stop12h 15m

Rennes St Jacques

Thu 27/8

20:25-09:55

1 stop14h 30m

£234

BelfastRennes

BFS - RNS

BFSRNS

Belfast Intl

Tue 18/8

09:20-10:00

2 stops23h 40m

Rennes St Jacques

Tue 25/8

16:20-09:20

2 stops18h 00m

£289

BelfastRennes

BFS - RNS

BFSRNS

Belfast Intl

Thu 20/8

22:20-16:30

2 stops17h 10m

Rennes St Jacques

Thu 27/8

20:25-09:55

1 stop14h 30m

£303

BelfastRennes

BFS - RNS

BFSRNS

Belfast Intl

Thu 20/8

12:45-15:55

3 stops26h 10m

Rennes St Jacques

Thu 27/8

20:25-09:55

1 stop14h 30m

£326

BelfastRennes

BFS - RNS

BFSRNS

Belfast Intl

Thu 20/8

12:45-15:55

3 stops26h 10m

Rennes St Jacques

Thu 27/8

20:25-15:50

2 stops20h 25m

£351

BelfastRennes

BFS - RNS

BFSRNS

Belfast Intl

Thu 20/8

12:45-15:55

3 stops26h 10m

Rennes St Jacques

Thu 27/8

18:05-18:55

3 stops25h 50m

£417
Cheapest one-way

BelfastRennes

BFS - RNS

BFSRNS

Belfast Intl

Sat 15/8

21:40-09:30

1 stop10h 50m

£85

BelfastRennes

BFS - RNS

BFSRNS

Belfast Intl

Tue 11/8

21:25-10:00

1 stop11h 35m

£110

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

See travel insights to Rennes from

How to get the cheapest flight ticket from Belfast to Rennes

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Belfast to Rennes St Jacques?

easyJet and KLM are the most popular carriers operating from Belfast to Rennes St Jacques

Cheap Belfast to Rennes flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast to Rennes

Fastest flight time

12h 15m

Direct flights

None
The fastest flight from Belfast to Rennes takes 12h 15m
There are no direct flights from Belfast to Rennes. There are no popular flight routes from Belfast to Rennes.
Search flight deals

Frequently asked questions about flying from Belfast to Rennes

  • How far is Belfast to Rennes St Jacques by plane?

    The straight-line distance from Belfast to Rennes St Jacques is 483.7 mi. In terms of flight time, this usually takes a little over 12h 15m.

  • When did momondo last update prices for flights from Belfast to Rennes St Jacques Airport?

    Prices for flights from Belfast to Rennes St Jacques Airport refresh daily.

  • How old do you have to be to fly from Belfast to Rennes St Jacques Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast to Rennes St Jacques Airport.

  • What documentation or ID do you need to fly to Rennes St Jacques Airport?

    The travel and health documents required for your trip to Rennes St Jacques Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Rennes St Jacques Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Belfast to Rennes?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Rennes from Belfast.

Can I find flights from Belfast to Rennes with flexible booking policies on momondo?

Yes. All flights to Rennes from Belfast on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Belfast to Rennes?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Rennes from Belfast.

I’m not ready to book a flight from Belfast to Rennes right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Belfast to Rennes flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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