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Bags purchased online are cheaper than those purchased at the airport because they don’t require an agent and don't slow down check-in. 

If you are accessing your reservation more than 24 hours prior to departure, simply go to the My Trips tab and follow the instructions to access your reservation. You can then click the "Add Bags" link to purchase additional bags.

If you are accessing your reservation less than 24 hours prior to departure, simply go to the Online Check-in tab and follow the instructions to access your reservation.  You can then click the "Add Bags" link to purchase additional bags. Remember to purchase your bags in advance to save more!

You can always add bags at the airport or by calling our Reservations Center. However, these bags cost more. Bags purchased online are cheaper than those purchased at the airport because they don’t require assistance from a Guest Service Agent.

IMPORTANT: Online check-in closes one hour prior to scheduled departure.