In terms of precipitation, rainfall in Rennes ranges from 38.0 - 75.0 inches per month. October is typically the wettest month, when rainfall can reach 75.0 mm. August is typically the driest time to visit Rennes when rainfall is around 38.0 mm.

If weather is an important factor for your trip to Rennes, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 6.0 C).

What is the cheapest time of day to fly from SEN to RNS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Southend Airport to Rennes as you normally would.

What airport do you fly into for flights to Rennes from London Southend?

If you book a flight to Rennes from London Southend, you will be flying to St Jacques, which is the city’s only airport. Rennes St Jacques (RNS) is located 4.0 mi from the center of Rennes. There are 0 flights from London Southend to St Jacques per day from 0 different airlines.

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

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

How can I find direct flights from Southend to Rennes?

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

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

Yes. Cheapflights offers flight deals from Southend 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.

£90+ Cheap Flights from London Southend Airport to Rennes

Cheap flight deals from Southend to Rennes

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Southend to Rennes
Explore the most affordable flight options available from Southend to Rennes. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Fri 18/922:00 -

2 stops13h 10m

Fri 25/910:20 -

2 stops23h 20m

Deal found 18/8£234

Sun 27/917:30 -

2 stops13h 20m

Mon 28/912:00 -

2 stops8h 35m

Deal found 18/8£284

Tue 8/920:25 -

2 stops23h 05m

Tue 15/916:20 -

2 stops24h 50m

Deal found 19/8£308

Wed 16/916:50 -

2 stops16h 00m

Wed 23/914:25 -

1 stop6h 15m

Deal found 18/8£310

Fri 2/1011:20 -

1 stop24h 35m

Fri 9/1016:25 -

2 stops17h 15m

Deal found 18/8£354

Tue 25/813:10 -

2 stops19h 50m

Sat 29/812:40 -

2 stops11h 10m

Deal found 19/8£361

Tue 18/813:10 -

2 stops19h 50m

Fri 21/813:10 -

2 stops20h 30m

Deal found 17/8£364

Find flight deals from Southend to Rennes

Round-trip from	£234
One-way from	£90
Popular in	April
Cheapest in	January
Average price	£183

18/9-25/9
4 total stops
36h 30m total
London to Rennes

Search Deals

22/9
2 total stops
19h 45m total
London to Rennes

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (£6 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease (£7 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Southend Airport to Rennes that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonRennes

SEN London Southend - RNS Rennes St Jacques

SENRNS

London Southend

Sun 27/9

17:30-07:50

2 stops13h 20m

Rennes St Jacques

Mon 28/9

12:00-19:35

2 stops8h 35m

£294

LondonRennes

SEN London Southend - RNS Rennes St Jacques

SENRNS

London Southend

Tue 8/9

20:25-20:30

2 stops23h 05m

Rennes St Jacques

Tue 15/9

16:20-16:10

2 stops24h 50m

£308

LondonRennes

SEN London Southend - RNS Rennes St Jacques

SENRNS

London Southend

Fri 18/9

11:20-10:20

1 stop22h 00m

Rennes St Jacques

Fri 25/9

16:25-08:40

2 stops17h 15m

£309

LondonRennes

SEN London Southend - RNS Rennes St Jacques

SENRNS

London Southend

Wed 16/9

16:50-09:50

2 stops16h 00m

Rennes St Jacques

Wed 23/9

11:05-19:40

2 stops9h 35m

£352

LondonRennes

SEN London Southend - RNS Rennes St Jacques

SENRNS

London Southend

Fri 2/10

11:20-12:55

1 stop24h 35m

Rennes St Jacques

Fri 9/10

16:25-08:40

2 stops17h 15m

£354

LondonRennes

SEN London Southend - RNS Rennes St Jacques

SENRNS

London Southend

Sun 13/9

17:30-08:20

2 stops13h 50m

Rennes St Jacques

Sun 20/9

14:25-19:35

1 stop6h 10m

£421

Fastest return journey

LondonRennes

SEN London Southend - RNS Rennes St Jacques

SENRNS

London Southend

Fri 9/10

11:20-20:45

2 stops8h 25m

Rennes St Jacques

Mon 12/10

14:25-19:35

1 stop6h 10m

£434

LondonRennes

SEN London Southend - RNS Rennes St Jacques

SENRNS

London Southend

Sun 27/9

17:30-07:50

2 stops13h 20m

Rennes St Jacques

Wed 30/9

14:25-19:40

1 stop6h 15m

£452

LondonRennes

SEN London Southend - RNS Rennes St Jacques

SENRNS

London Southend

Fri 11/9

22:00-12:10

2 stops13h 10m

Rennes St Jacques

Mon 14/9

14:25-19:35

1 stop6h 10m

£461

LondonRennes

SEN London Southend - RNS Rennes St Jacques

SENRNS

London Southend

Sat 12/9

16:50-10:20

2 stops16h 30m

Rennes St Jacques

Mon 14/9

14:25-19:35

1 stop6h 10m

£489

Flights are sorted by cheapest return flights first.

Deals found on 18/8

Showing 1-10 of 20 resultsSorted by cheapest first

Best time to book a flight from Southend to Rennes

Have a flexible travel schedule? Discover the best time to fly to Rennes from Southend with our price prediction graph.

SEN-RNS

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.

Related info for your journey

What airport do you fly into for flights to Rennes from London Southend?
If you book a flight to Rennes from London Southend, you will be flying to St Jacques, which is the city’s only airport. Rennes St Jacques (RNS) is located 4.0 mi from the center of Rennes. There are 0 flights from London Southend to St Jacques per day from 0 different airlines.
Can I find deals for flights from Southend to Rennes that include hotel bookings?
Yes. In addition to deals on Southend to Rennes flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Southend to Rennes?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southend to Rennes.
Can I find deals for business class flights from Southend to Rennes?
Yes. Cheapflights offers flight deals from Southend 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.

See more FAQs

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Cheap flights from London Southend Airport to Rennes from £90

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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Southend to Rennes

Cheapest flights from Southend to RennesExplore the most affordable flight options available from Southend to Rennes. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Explore the most affordable flight options available from Southend to Rennes. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Best flights from Southend to RennesDiscover carefully curated flight deals from Southend to Rennes that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Discover carefully curated flight deals from Southend to Rennes that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Last-minute flights from Southend to RennesDiscover last-minute flight deals from Southend to Rennes. Data last updated 21 August 2026 and is based on user searches.

Discover last-minute flight deals from Southend to Rennes. Data last updated 21 August 2026 and is based on user searches.

One-way flights from Southend to RennesSearch for one-way flight options from Southend to Rennes. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.

Search for one-way flight options from Southend to Rennes. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.

Find flight deals from Southend to Rennes

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Cheapflights Fare Finder

Use the filters below to find and compare flights from London Southend Airport to Rennes that are best for you.

Best time to book a flight from Southend to Rennes

Have a flexible travel schedule? Discover the best time to fly to Rennes from Southend with our price prediction graph.

Related info for your journey

What airport do you fly into for flights to Rennes from London Southend?

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

How can I find direct flights from Southend to Rennes?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Southend to Rennes

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Rennes by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Brittany

Book a non-stop flight to one of these other cities located in Brittany.

Search flights from Southend to Rennes by cabin class

Find flights from Southend to Rennes, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Southend and Rennes flights

Browse other Southend and Rennes flight options. Last updated on 21 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Other flights to Rennes

Explore flights to Rennes departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 21 August 2026.

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How does Cheapflights help users find flights from Southend to Rennes?

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

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Can Cheapflights notify me if prices for flights from Southend to Rennes become cheaper?

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Cheapest flights from Southend to Rennes
Explore the most affordable flight options available from Southend to Rennes. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Best flights from Southend to Rennes
Discover carefully curated flight deals from Southend to Rennes that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Last-minute flights from Southend to Rennes
Discover last-minute flight deals from Southend to Rennes. Data last updated 21 August 2026 and is based on user searches.

One-way flights from Southend to Rennes
Search for one-way flight options from Southend to Rennes. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.