If you are intending to travel internationally on a flight with Volaris Airlines and have been wondering if your ticket could be upgraded, you can stop worrying about it right now. With Volaris Airlines, you can be confident that reserving a flight won't present any problems for you. their core principles for upgrading the ticket.
Volaris Airlines Seat Upgrade Policy
If you have any problems, contact customer service. The support staff's helplines are included with their phone numbers. The travel agency can be used to book the airline tickets and subsequently to make modifications.