Festival
Les Utopiales
Nantes · Loire-Atlantique
Les Utopiales in Nantes: science fiction, literature, science, cinema, comics, games, exhibitions and debates. 2026 edition: 29 October to 1 November 2026.
- Suggested time
- Half a day to 4 days
- Type of place
- International science fiction festival
- Atmosphere
- Festive, cultural and immersive, with an identity strongly linked to the place and the line-up
- Getting there
- The Cité des Congrès, Nantes; tram line 1 and the station right nearby.
Who this place suits
- With family
- 7/10
- As a couple
- 8/10
- With friends
- 8/10
- Solo
- 9/10
- With a dog
- 2/10
- Reduced mobility
- 8/10
These scores are calculated from what the page records: official rating, facilities, difficulty, duration and location. They are a guide, not a substitute for contacting the venue, especially about accessibility.
About
Les Utopiales were born in Nantes in the early 2000s and have become a major international science fiction festival, with a constant dialogue between creation and scientific research. At the Cité des Congrès, visitors move from science talks to literary encounters, screenings, games, exhibitions and book signings; the event suits readers, families and science enthusiasts alike. Dates, prices, programme, access and rules change every year. The 2026 edition runs from 29 October to 1 November 2026.
What you will see
- An international science fiction festival
- Literature, science, comics, cinema and games
- Four days at the Cité des Congrès
- Chaired by Roland Lehoucq in 2026
- Ticket office outside in 2026 because of works
- An identity strongly linked to Nantes.
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- A line-up centred on science fiction, literature, science, cinema, comics, games, exhibitions and debates.
- Big crowds possible: plan transport, accommodation and bookings ahead.
Practical information
- Address
- The Cité des Congrès, Nantes
- Public transport
- The Cité des Congrès, Nantes; tram line 1 and the station right nearby
- Pets
- Pets not allowed in the Cité des Congrès, except guide and assistance dogs
- Accessibility
- The Cité des Congrès is equipped; works in 2026 may change some routes, so check the instructions
- Best time
- Arrive early for the big moments and leave time for security checks, shuttles and moving between stages
Tips on the spot
- 2026 dates: 29 October to 1 November 2026.
- Tickets: Paid day tickets and passes; 2026 details on the official ticket office.
- Check the official website just before you travel: times, bag checks, banned items and traffic plans can change.
- For a big festival, book accommodation and transport well in advance.
- Bring comfortable shoes, clothes for the weather, ear protection for loud concerts and a power bank.
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- If a cashless system is used, create and top up your account before you arrive.
- With children or teenagers, check the age and supervision rules and the recommended ear protection.
Frequently asked questions
When is Les Utopiales?
From 29 October to 1 November 2026.
Where does Les Utopiales take place?
The Cité des Congrès, Nantes.
Is the festival free?
No, day tickets and passes are paid.
What style of festival is it?
Science fiction, literature, science, cinema, comics, games, exhibitions and debates.
How much time should I allow?
Half a day to 4 days, depending on your plans.
How do I get there?
The Cité des Congrès, Nantes; tram line 1 and the station right nearby.
See also all the festivals in Loire-Atlantique.
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Read in the journal
- SeasonWhat to do in Nantes during the All Saints’ holidaysThe Utopiales, the Machines de l’île, the Château des ducs, Trentemoult and the markets: our ideas for enjoying Nantes during the 2026 All Saints’ holidays.
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Traveller reviews
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Photograph: LisaRlld · CC BY-SA 4.0 · Wikimedia Commons