Typically a travel card requires good to excellent credit, and that includes airline and hotel credit cards.
If you have your eye on an airline card, but don’t have the needed credit score, look into getting a card that’s designed for your credit level and build your score. Although it’s hard to find an airline card available for a low credit score, there are several secured rewards cards that you can use until your score improves. At that point, you may qualify for a general-purpose travel card for fair credit, such as the Capital One VentureOne or the Credit One Bank Wander Card.