In terms of precipitation, rainfall in Brittany 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 Brittany when rainfall is around 38.0 mm.

If weather is an important factor for your trip to Brittany, 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).

How far in advance should I book a flight from Portsmouth to Brittany?

Travelers have found it’s best to book a flight 48 days in advance to save up to 58% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 48 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Portsmouth to Brittany 1-2 weeks in advance for as low as £83, or £122 for flights within the next 24 hours.

What is the cheapest month to fly from Portsmouth to Brittany?

March is one of the best times of the year to fly to Brittany from Portsmouth. Prices for March average £121 per person but you can even find prices for as low as £44. The most expensive prices can be found in the month of August. Opting for a March flight can save you 52% on your journey compared to booking in August

Can I find deals for flights from Portsmouth to Brittany that include hotel bookings?

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

How can I find direct flights from Portsmouth to Brittany?

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

Can I find deals for business class flights from Portsmouth to Brittany?

Yes. Cheapflights offers flight deals from Portsmouth to Brittany by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£208+ Flights from Portsmouth to Brittany

Cheap flight deals from Portsmouth to Brittany

Round-trip from	£208
Popular in	August
Cheapest in	March
Average price	£185

KLM
8/8-11/8
2 total stops
37h 10m total
Portsmouth to Brittany

Search Deals

Highest demand for flights based on searches. 19% potential increase in price (£21 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£5 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from Portsmouth to Brittany

Cheapest flights from Portsmouth to Brittany
Explore the most affordable flight options available from Portsmouth to Brittany. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Fri 8/818:25SOU - RNS

1 stop21h 10mKLM

Mon 11/817:50RNS - SOU

1 stop16h 00mKLM

Deal found 10/7£208

Sun 24/821:30SOU - NTE

2 stops17h 35mMultiple Airlines

Sun 31/807:45NTE - SOU

2 stops24h 55mMultiple Airlines

Deal found 10/7£302

Fri 8/812:15SOU - RNS

3 stops27h 20mMultiple Airlines

Mon 11/811:45RNS - SOU

2 stops22h 05mMultiple Airlines

Deal found 10/7£514

Best flights from Portsmouth to Brittany
Discover carefully curated flight deals from Portsmouth to Brittany that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 July 2025.

Fri 8/818:25SOU - RNS

1 stop21h 10mKLM

Mon 11/817:50RNS - SOU

1 stop16h 00mKLM

Deal found 10/7£208

Sun 24/821:30SOU - NTE

2 stops17h 35mMultiple Airlines

Sun 31/807:45NTE - SOU

2 stops24h 55mMultiple Airlines

Deal found 10/7£302

Fri 8/812:15SOU - RNS

3 stops27h 20mMultiple Airlines

Mon 11/811:45RNS - SOU

2 stops22h 05mMultiple Airlines

Deal found 10/7£514

Last-minute flights from Portsmouth to Brittany
Discover last-minute flight deals from Portsmouth to Brittany. Data last updated 11 July 2025 and is based on user searches.

Fri 8/818:25SOU - RNS

1 stop21h 10mKLM

Mon 11/817:50RNS - SOU

1 stop16h 00mKLM

Deal found 10/7£208

Fri 8/812:15SOU - RNS

3 stops27h 20mMultiple Airlines

Mon 11/811:45RNS - SOU

2 stops22h 05mMultiple Airlines

Deal found 10/7£514

Sun 24/821:30SOU - NTE

2 stops17h 35mMultiple Airlines

Sun 31/807:45NTE - SOU

2 stops24h 55mMultiple Airlines

Deal found 10/7£302

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portsmouth to Brittany that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SouthamptonRennes

SOU - RNS

SOURNS

Southampton Eastleigh

Fri 8/8

18:25-16:35

1 stop21h 10m

Rennes St Jacques

Mon 11/8

17:50-08:50

1 stop16h 00m

£208

SouthamptonNantes

SOU - NTE

SOUNTE

Southampton Eastleigh

Sun 24/8

21:30-16:05

2 stops17h 35m

Nantes Atlantique

Sun 31/8

07:45-07:40

2 stops24h 55m

£302

SouthamptonRennes

SOU - RNS

SOURNS

Southampton Eastleigh

Fri 8/8

12:15-16:35

3 stops27h 20m

Rennes St Jacques

Mon 11/8

11:45-08:50

2 stops22h 05m

£514

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Best time to book a flight from Portsmouth to Brittany

Have a flexible travel schedule? Discover the best time to fly to Brittany from Portsmouth 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 Portsmouth to Brittany

What is the cheapest time of day to fly from P0R to BR?

When flying from Portsmouth to Brittany, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Brittany

Read reviews from past customers who have flown with KLM from Portsmouth to Brittany. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,372 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

KLM

7.8

Good

1,372 reviews

KLM

7.8

Good

1,372 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Can I find deals for flights from Portsmouth to Brittany that include hotel bookings?
Yes. In addition to deals on Portsmouth to Brittany flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Portsmouth to Brittany?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Brittany.
Can I find deals for business class flights from Portsmouth to Brittany?
Yes. Cheapflights offers flight deals from Portsmouth to Brittany by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Portsmouth to Brittany

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Top 3 airlines flying from Portsmouth to Brittany

Airline	Cheapest	Average	Flexibility	On-time
Volotea	Cheapest£51	Average£80	FlexibilityNo cancel fee	On-timeN/A	Search Volotea flights
easyJet	Cheapest£52	Average£146	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
Air France	Cheapest£152	Average£313	FlexibilityNo cancel fee	On-time77%	Search Air France flights

Fly with Cheapflights

How does Cheapflights help users find flights from Portsmouth to Brittany?

Deals for Portsmouth to Brittany 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 Portsmouth to Brittany?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portsmouth to Brittany.

Can Cheapflights find flights from Portsmouth to Brittany with no change fees?

Need flexible booking options for your flight to Brittany from Portsmouth? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Portsmouth to Brittany become cheaper?

Of course! You can now track prices for flights from Portsmouth to Brittany and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Portsmouth to Brittany from £208

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Portsmouth to Brittany

Keep the following information in mind while searching for Portsmouth to Brittany flight deals. Data was last updated 11 July 2025.

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Portsmouth to Brittany

Cheapest flights from Portsmouth to BrittanyExplore the most affordable flight options available from Portsmouth to Brittany. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Explore the most affordable flight options available from Portsmouth to Brittany. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portsmouth to Brittany that are best for you.

Best time to book a flight from Portsmouth to Brittany

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

Cheapflights Insights

Everything you need to know about your flight from Portsmouth to Brittany

What is the cheapest time of day to fly from P0R to BR?

Find hourly flight availability from Portsmouth to Brittany. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 July 2025.

Reviews of airlines servicing Brittany

Read reviews from past customers who have flown with KLM from Portsmouth to Brittany. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Brittany. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from Portsmouth to Brittany that include hotel bookings?

How can I find direct flights from Portsmouth to Brittany?

Can I find deals for business class flights from Portsmouth to Brittany?

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 Portsmouth to Brittany

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

Top 3 airlines flying from Portsmouth to Brittany

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portsmouth to Brittany?

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Brittany?

Can Cheapflights find flights from Portsmouth to Brittany with no change fees?

Can Cheapflights notify me if prices for flights from Portsmouth to Brittany become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Portsmouth to Brittany
Explore the most affordable flight options available from Portsmouth to Brittany. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.