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Cheap flights from Portsmouth to Nantes from £123

LHR — NTE
20 Sep — 27 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Nantes

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Nantes

Tue 8/917:20 -
2 stops14h 40m
Wed 9/918:25 -
1 stop15h 10m
Deal found 17/8£161
Wed 23/917:20 -
2 stops21h 35m
Thu 24/923:15 -
1 stop10h 30m
Deal found 18/8£178
Thu 10/920:00 -
2 stops19h 40m
Wed 16/909:25 -
2 stops24h 10m
Deal found 19/8£213

Find flight deals from Portsmouth to Nantes

Round-trip from

£161

One-way from

£123

Popular in

August

Cheapest in

November

Average price

£148
8/9-9/9
  • 8/9-9/9
  • 3 total stops
  • 29h 50m total
  • Portsmouth to Nantes
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25/9
  • 25/9
  • 1 total stop
  • 12h 20m total
  • Portsmouth to Nantes
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£14 potential increase over avg. return price).
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Cheapest flight prices on average. 7% potential price decrease (£5 potential savings vs. average return price).
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Average for round-trip flights in August 2026
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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonNantes

SOU Southampton Eastleigh - NTE Nantes Atlantique

SOUNTE

Southampton Eastleigh

Tue 8/9

17:20-09:00

2 stops14h 40m

Nantes Atlantique

Wed 9/9

18:25-08:35

1 stop15h 10m

£161

SouthamptonNantes

SOU Southampton Eastleigh - NTE Nantes Atlantique

SOUNTE

Southampton Eastleigh

Wed 23/9

17:20-15:55

2 stops21h 35m

Nantes Atlantique

Thu 24/9

18:25-08:45

2 stops15h 20m

£188
Fastest return journey

SouthamptonNantes

SOU Southampton Eastleigh - NTE Nantes Atlantique

SOUNTE

Southampton Eastleigh

Thu 10/9

09:25-22:10

1 stop11h 45m

Nantes Atlantique

Wed 16/9

18:25-08:35

1 stop15h 10m

£226

SouthamptonNantes

SOU Southampton Eastleigh - NTE Nantes Atlantique

SOUNTE

Southampton Eastleigh

Wed 23/9

17:20-11:15

1 stop16h 55m

Nantes Atlantique

Thu 24/9

17:20-08:35

1 stop16h 15m

£316
Cheapest one-way

SouthamptonNantes

SOU Southampton Eastleigh - NTE Nantes Atlantique

SOUNTE

Southampton Eastleigh

Fri 25/9

12:20-09:50

2 stops20h 30m

£131

SouthamptonNantes

SOU Southampton Eastleigh - NTE Nantes Atlantique

SOUNTE

Southampton Eastleigh

Sat 26/9

09:15-22:10

1 stop11h 55m

£176
Fastest single journey

SouthamptonNantes

SOU Southampton Eastleigh - NTE Nantes Atlantique

SOUNTE

Southampton Eastleigh

Thu 24/9

09:05-13:55

1 stop3h 50m

£176

Flights are sorted by cheapest return flights first.

Deals found on 20/8

Sorted by cheapest first

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

Cheapflights Insights

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

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

It’s typically best to fly out from Portsmouth to Nantes in the afternoon. Doing so could potentially save you 61% 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?

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

Related info for your journey

  • 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 3 airlines. Nantes Atlantique is conveniently located just 5.2 mi from Nantes’s city center.

  • 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.

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

Top 3 airlines flying from Portsmouth to Nantes

AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£33Average£88FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£47Average£102FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Air FranceCheapest£164Average£223FlexibilityNo cancel feeOn-time77%
Search Air France flights

Fly with Cheapflights

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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