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BOOK YOUR VOYAGE INTO THE STRATOSPHERE

Zephalto will take you on an unforgettable, timeless adventure unlike any you’ve ever dreamt of:
Be the first to experience the odyssey of the 21st century by boarding Céleste.

Inside its pressurized capsule, this stratospheric balloon will take you 25 km from the Earth, immersed into the absolute darkness of space.

A unique journey of contemplation awaits you:
Alone, with family or friends, discover the roundness of the Earth and experience what astronauts call the “overview effect”.

During this voyage of several hours, you will be as mesmerized by the destination as by the ascent that precedes it:
The capsule is designed for observation, equipped with wide-angle openings, so you won’t miss any glimpse of Earth’s natural beauty.

Don’t miss the opportunity to be part of a new generation of explorers, book your place now!
The first flights will start at the end of 2024 and will cost 120 000 € per person.

Would you like to be among the privileged few to travel to the stars?
Reserve your seat as soon as possible (we are fully booked for 2024)!

Discover our individual pass to book your voyage.

BOOK YOUR PLACE NOW

Our flights are sold out for 2024, buy a pass (one per traveler) to guarantee your place

Exclusive pass

Fly as soon as 2025
5 000
  • Priority
         Be among the first explorers (from 2025)
  • Events
         Extend the experience beyond the flight by
         participating in unique moments
  • Privileges
         Receive gifts, access the latest news and other
         exclusives insights
  • Club
         Meet other enthusiasts and enter the very
         exclusive Zephalto club
  • Preparation
         To experience a trip in full awareness and safety
  • Support
         You help us to redesign the European space
         landscape

BOOK YOUR PLACE NOW

Our flights are sold out for 2024, buy a pass (one per traveler) to guarantee your seat!

Exclusive pass

Fly as soon as 2025
5 000
  • Priority
         Be among
         the first
         explorers
         (from 2025)
  • Events
         Extend the
         experience
         beyond
         the flight by
         participating
         at unique
         times
  • Privileges
         Receive gifts,
         access the
         latest news
         and other
         exclusives
         preview
  • Club
         Meet other
         enthusiasts
         and enter
         the very
         exclusive
         club
  • Preparation
         To live
         a trip
         with full
         awareness
         and safety
  • Support
         You help us
         to redesign
         the European
         space
         landscape

CONTACT US

You have a question?
You want information before buying your presale?

Our teams are at your disposal, ask them your questions!

KEY DETAILS

A pass costs €5,000 (and corresponds to a reservation for one person).
The total price of a flight is €120,000 per person (the price of the pass is deducted).This price includes the flight but also all the associated exceptional services, such as reception or preparation: you will not have to pay anything more!

In addition to the assurance of being able to make a flight, pre-booking gives access to a tailor-made accompaniment offered to each traveler, ask for yours!
The capsule has a total capacity of 8 people: 6 travelers and 2 pilots will be present on each flight.
It is possible to embark with several people and share the experience together. To do so, two options are available.

– Reserve the entire capsule (on request).

– Reserve one or more seats: we will adapt to your wishes.

Traveling aboard Céleste does not require any particular condition.​


The journey is accessible to people of all ages and without any particular physical condition.

Likewise, no training is required, apart from the preparation planned 2 days beforehand by Zephalto.

When the Zephalto stratospheric balloon reaches its peak altitude – 25 km above the earth – you will be able to observe the earth as never before:


The trip takes place in daylight, but you will be immersed in the darkness of star-pierced space, the endless abyss of the universe surrounds the capsule.
These conditions allow an unparalleled observation of the curvature of the Earth, a panorama of 1,400 km.


You will have the chance to experience what is called the “overview effect”, which astronauts refer to as an experience that transforms you (seeing the earth from space induces a change in your perspective, your vision of the world will change).

Safety is an absolute priority for us and is at the heart of our concerns!

– The infrastructures are tested several times beforehand: many flights with pilots and crew have already been carried out.

– The technology used is that of our historical partner, the CNES, which has been sending balloons into the stratosphere for over 60 years.

– All aviation safety standards are applied: the balloon will have the same EASA (European Aviation Safety Agency) certifications as a commercial airliner.

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