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Cheap flights from Portsmouth to Nantes from £148

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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — NTE
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Portsmouth to Nantes

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Nantes
Explore the most affordable flight options available from Portsmouth to Nantes. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 November 2025.

Sun 21/1218:05SOU - NTE
1 stop21h 35mKLM
Sun 28/1217:25NTE - SOU
1 stop15h 45mKLM
Deal found 6/11£377
Sat 20/1217:30SOU - NTE
1 stop16h 50mKLM
Sat 27/1206:05NTE - SOU
1 stop3h 45mKLM
Deal found 5/11£420
Sat 20/1209:30SOU - NTE
2 stops26h 00mMultiple Airlines
Sat 27/1212:10NTE - SOU
2 stops21h 40mMultiple Airlines
Deal found 5/11£436
Sun 21/1220:10SOU - NTE
1 stop12h 40mMultiple Airlines
Sun 28/1218:50NTE - SOU
2 stops25h 30mMultiple Airlines
Deal found 6/11£440

Cheap flight deals from Portsmouth to Nantes

Keep the following information in mind while searching for Portsmouth to Nantes flight deals. Data was last updated 7 November 2025.

Round-trip from

£268

One-way from

£148

Popular in

August

Cheapest in

March

Average price

£55
KLM
  • KLM
  • 12/3-16/3
  • 2 total stops
  • 31h 55m total
  • Portsmouth to Nantes
Search Deals
KLM
  • KLM
  • 2/1
  • 1 total stop
  • 16h 50m total
  • Portsmouth to Nantes
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£16 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth to Nantes 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 7 November 2025.
Use the filters below to find and compare flights from Portsmouth to Nantes that are best for you.

Fly from

Portsmouth

Fly to

Nantes

Route

Depart

Return

Price

SouthamptonNantes

SOU - NTE

SOUNTE

Southampton Eastleigh

Thu 12/3

18:05-11:20

1 stop16h 15m

Nantes Atlantique

Mon 16/3

17:25-08:05

1 stop15h 40m

£268

SouthamptonNantes

SOU - NTE

SOUNTE

Southampton Eastleigh

Sun 21/12

18:05-16:40

1 stop21h 35m

Nantes Atlantique

Sun 28/12

17:25-08:10

1 stop15h 45m

£377

SouthamptonNantes

SOU - NTE

SOUNTE

Southampton Eastleigh

Sat 20/12

17:30-11:20

1 stop16h 50m

Nantes Atlantique

Sat 27/12

06:05-08:50

1 stop3h 45m

£420

SouthamptonNantes

SOU - NTE

SOUNTE

Southampton Eastleigh

Mon 30/3

09:20-16:35

1 stop6h 15m

Nantes Atlantique

Tue 31/3

12:00-08:50

1 stop21h 50m

£427

SouthamptonNantes

SOU - NTE

SOUNTE

Southampton Eastleigh

Sat 20/12

09:30-12:30

2 stops26h 00m

Nantes Atlantique

Sat 27/12

12:10-08:50

2 stops21h 40m

£436

SouthamptonNantes

SOU - NTE

SOUNTE

Southampton Eastleigh

Sun 21/12

20:10-09:50

1 stop12h 40m

Nantes Atlantique

Sun 28/12

18:50-19:20

2 stops25h 30m

£440

SouthamptonNantes

SOU - NTE

SOUNTE

Southampton Eastleigh

Fri 2/1

17:30-11:20

1 stop16h 50m

£148

SouthamptonNantes

SOU - NTE

SOUNTE

Southampton Eastleigh

Fri 2/1

17:45-09:20

2 stops14h 35m

£190

SouthamptonNantes

SOU - NTE

SOUNTE

Southampton Eastleigh

Fri 2/1

14:25-08:55

3 stops17h 30m

£261

Flights are sorted by cheapest return flights first.

Deals found on 7/11

Best time to book a flight from Portsmouth to Nantes

Have a flexible travel schedule? Discover the best time to fly to Nantes 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 Nantes

What is the cheapest month to book a flight from Portsmouth to Nantes?

Currently, February is the cheapest month in which you can book a flight from Portsmouth to Nantes (average of £24). Flying from Portsmouth to Nantes in December is currently the most expensive (average of £49). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Portsmouth to Nantes. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 7 November 2025.

It’s typically best to fly out from Portsmouth to Nantes at midday. Doing so could potentially save you 37% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Portsmouth to Nantes?

Use this chart to determine the cheapest time to fly return from Portsmouth to Nantes. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Portsmouth to Nantes flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Nantes. 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 Nantes from Portsmouth?

    Most people fly into Nantes Atlantique (NTE) if they book a flight to Nantes from Portsmouth. On average, Nantes Atlantique has 0 inbound flights from Portsmouth per day from 5 airlines. Nantes Atlantique is conveniently located just 5.2 mi from Nantes’s city center.

  • How long is the flight from Portsmouth to Nantes?

    There are many flights that can get you from Portsmouth to Nantes in 16h 15m. Fly via KLM to get the fastest option. The distance between Portsmouth and Nantes is about 262 mi.

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

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

  • How can I find direct flights from Portsmouth to Nantes?

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

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

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

  • What is the cheapest month to book a flight from Portsmouth to Nantes?

    Currently, February is the cheapest month in which you can book a flight from Portsmouth to Nantes (average of £24). Flying from Portsmouth to Nantes in December is currently the most expensive (average of £49). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Nantes?

Book flights to Nantes if you plan to visit one of these locations
Saint-Jean-de-Monts

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Portsmouth to Nantes

Discover the top 5 airlines that operate flights from Portsmouth to Nantes. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 7 November 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£28Average£55FlexibilityNo cancel feeOn-timeN/A
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RyanairCheapest£28Average£33FlexibilityNo cancel feeOn-timeN/A
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easyJetCheapest£57Average£119FlexibilityNo cancel feeOn-time86%
Search easyJet flights
KLMCheapest£149Average£217FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£155Average£242FlexibilityNo cancel feeOn-time77%
Search Air France flights

Fly with Cheapflights

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

When you search for this flight from Portsmouth to Nantes, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to Nantes from Portsmouth by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portsmouth to Nantes, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Portsmouth to Nantes flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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