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Cheap flights from Belfast to Rennes from £158

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast to Rennes departing on 7/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
23:10 - 16:05
BFS
-
RNS
15h 55m
1 stop
Multiple Airlines Logo
20:20 - 09:20
RNS
-
BFS
14h 00m
1 stop
£158Multiple Airlines
Sat, 7 Mar - Wed, 11 Mar
Multiple Airlines Logo
05:45 - 08:35
BFS
-
RNS
25h 50m
2 stops
Multiple Airlines Logo
20:20 - 09:20
RNS
-
BFS
14h 00m
1 stop
£172Multiple Airlines
Sat, 7 Mar - Wed, 11 Mar
Multiple Airlines Logo
14:15 - 19:35
BFS
-
RNS
4h 20m
1 stop
Multiple Airlines Logo
17:25 - 14:00
RNS
-
BFS
21h 35m
2 stops
£191Multiple Airlines
Wed, 25 Mar - Wed, 1 Apr
Multiple Airlines Logo
06:30 - 19:15
BFS
-
RNS
11h 45m
2 stops
Multiple Airlines Logo
17:25 - 14:00
RNS
-
BFS
21h 35m
2 stops
£211Multiple Airlines
Wed, 25 Mar - Wed, 1 Apr
easyJet Logo
14:15 - 19:35
BFS
-
RNS
4h 20m
1 stop
easyJet Logo
15:25 - 07:40
RNS
-
BFS
17h 15m
1 stop
£216easyJet
Wed, 25 Mar - Wed, 1 Apr
Multiple Airlines Logo
14:15 - 16:10
BFS
-
RNS
24h 55m
3 stops
Multiple Airlines Logo
17:25 - 14:00
RNS
-
BFS
21h 35m
2 stops
£218Multiple Airlines
Wed, 25 Mar - Wed, 1 Apr
Multiple Airlines Logo
21:20 - 08:55
BFS
-
RNS
10h 35m
1 stop
Multiple Airlines Logo
11:05 - 08:00
RNS
-
BFS
21h 55m
3 stops
£248Multiple Airlines
Fri, 27 Mar - Fri, 3 Apr
Multiple Airlines Logo
12:00 - 16:10
BFS
-
RNS
27h 10m
3 stops
Multiple Airlines Logo
11:05 - 14:00
RNS
-
BFS
27h 55m
3 stops
£275Multiple Airlines
Wed, 25 Mar - Wed, 1 Apr
Multiple Airlines Logo
21:20 - 08:55
BFS
-
RNS
10h 35m
1 stop
Multiple Airlines Logo
14:25 - 06:50
RNS
-
BFS
17h 25m
2 stops
£282Multiple Airlines
Fri, 27 Mar - Fri, 3 Apr
Multiple Airlines Logo
07:30 - 20:35
BFS
-
RNS
12h 05m
2 stops
Multiple Airlines Logo
11:05 - 08:00
RNS
-
BFS
21h 55m
3 stops
£342Multiple Airlines
Fri, 27 Mar - Fri, 3 Apr

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 10 February 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

BelfastRennes

BFS - RNS

BFSRNS

Belfast Intl

Sat 7/3

23:10-16:05

1 stop15h 55m

Rennes St Jacques

Wed 11/3

20:20-09:20

1 stop14h 00m

£158

BelfastRennes

BFS - RNS

BFSRNS

Belfast Intl

Sat 7/3

05:45-08:35

2 stops25h 50m

Rennes St Jacques

Wed 11/3

20:20-09:20

1 stop14h 00m

£172

BelfastRennes

BFS - RNS

BFSRNS

Belfast Intl

Wed 25/3

14:15-19:35

1 stop4h 20m

Rennes St Jacques

Wed 1/4

17:25-14:00

2 stops21h 35m

£191

BelfastRennes

BFS - RNS

BFSRNS

Belfast Intl

Wed 25/3

06:30-19:15

2 stops11h 45m

Rennes St Jacques

Wed 1/4

17:25-14:00

2 stops21h 35m

£211

BelfastRennes

BFS - RNS

BFSRNS

Belfast Intl

Wed 25/3

14:15-19:35

1 stop4h 20m

Rennes St Jacques

Wed 1/4

15:25-07:40

1 stop17h 15m

£216

BelfastRennes

BFS - RNS

BFSRNS

Belfast Intl

Wed 25/3

14:15-16:10

3 stops24h 55m

Rennes St Jacques

Wed 1/4

17:25-14:00

2 stops21h 35m

£218

BelfastRennes

BFS - RNS

BFSRNS

Belfast Intl

Fri 27/3

21:20-08:55

1 stop10h 35m

Rennes St Jacques

Fri 3/4

11:05-08:00

3 stops21h 55m

£248

BelfastRennes

BFS - RNS

BFSRNS

Belfast Intl

Wed 25/3

12:00-16:10

3 stops27h 10m

Rennes St Jacques

Wed 1/4

11:05-14:00

3 stops27h 55m

£275

BelfastRennes

BFS - RNS

BFSRNS

Belfast Intl

Fri 27/3

21:20-08:55

1 stop10h 35m

Rennes St Jacques

Fri 3/4

14:25-06:50

2 stops17h 25m

£282

BelfastRennes

BFS - RNS

BFSRNS

Belfast Intl

Fri 27/3

07:30-20:35

2 stops12h 05m

Rennes St Jacques

Fri 3/4

11:05-08:00

3 stops21h 55m

£342

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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

9h 35m

Direct flights

None
The fastest flight from Belfast to Rennes takes 9h 35m
There are no direct flights from Belfast to Rennes. There are no popular flight routes from Belfast to Rennes.
Search flight deals

  • 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 9h 35m.

  • 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.

  • How do I get Price Alerts for flights from Belfast to Rennes?

    Price Alerts will notify you by email when the price for flights to Rennes from Belfast decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Belfast to Rennes with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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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