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Choose our place in the train

  • March 29, 2026
  • 4 replies
  • 24 views

Hi everyone,

as a new here i wanted to know if when i have to book a seet in a TGV i can select my seet in the train ? Some friends of mine coming with me but not with the Interrail Pass so can i seet with them or not ?

Thanks for the response and have a good day !

Best answer by rvdborgt

Either book by phone (that also saves you from any booking fees, choose #85 for English) or after booking online, use the TGV Inoui Pro app to change your seat. In 1st class, you can then choose your seat from a seat map; in 2nd class, you can give the carriage and seat number you want to book close to. The TGV Inoui Pro app only works in French. You need to start an exchange ("Echanger”), and then select the same train.

4 replies

Angelo
Railmaster
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  • Railmaster
  • March 29, 2026

Hi, TGV services can on most services only select a seat in 1st class. 

On top you can’t select a seat via Interrail reservation service. You can do it via RailEurope and others. 


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  • Railly clever
  • March 29, 2026

I think the best way to assure that you sit together is if you book your tickets & reservations in one go by calling SNCF.


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  • Railmaster
  • Answer
  • March 29, 2026

Either book by phone (that also saves you from any booking fees, choose #85 for English) or after booking online, use the TGV Inoui Pro app to change your seat. In 1st class, you can then choose your seat from a seat map; in 2nd class, you can give the carriage and seat number you want to book close to. The TGV Inoui Pro app only works in French. You need to start an exchange ("Echanger”), and then select the same train.


  • Author
  • Rail rookie
  • March 29, 2026

hello back

thank you very much for this answer ! I succesfully change my seat thanks to you. Have a great evening and bye