In order to get the world-class onboard experience, you must make a LATAM business class upgrade. If you are wondering what amenities are offered, so some of them are extra baggage allowance, additional legroom, priority check-in or boarding, and many other things. To learn the methods, all are the following:

Upgrade Online.

Visit the official website of Latam to begin the process.
Hit the "Manage My Trips" section and type the PNR Number, name, etc.
Click on your flight, and go to the "Edit My Flight."
Make necessary upgrades and the payment to complete the process.
Approach the Help desk.

If you are unable to upgrade an itinerary on Latam through the website, contact the supervisor at the airport's help desk. Remember to carry all your ticket details, and you will be liable to pay if different fares are available.

Is upgrading to business class cheaper at the airport?

Many fliers wonder whether upgrading an itinerary on Latam at the airport is beneficial or not. So, for your convenience, remember that you will not be charged any convenience fee at the airport, which is generally charged over a call. Thus, this results in cheap business-class upgrades at the airport.

At the airport, you may also get a chance to upgrade your flight to business class by applying all the miles and requesting the official to give you a cheap upgrade. However, remember that at the airport, the chances depend upon the availability of seats in the business class on LATAM. Thus, before you head towards the airport, ensure to call the official and confirm the availability of seats.

How much do I have to pay for business class upgrade on Latam?

Generally the business class upgrade cost begins from $100 and can go up to $650. It depends upon the type of amenities you purchase.