The Frontier Airlines World Mastercard provides cardholders with benefits including:

Since you receive double miles with the Frontier Airlines World Mastercard on purchases at Frontier Airlines, the best way to maximize your rewards is to charge flights on Frontier as often as possible. Also make sure to charge at least $500 in purchases in the first 90 days and paying the annual fee to earn your 40,000-mile sign-up bonus.

Annual fee: The Frontier Airlines World Mastercard charges a $79 annual fee. The Chase Sapphire Preferred Card has a $95 annual fee.

Rewards: With the Frontier Airlines World Mastercard, you earn 5 miles per dollar for purchases with Frontier Airlines, 3 miles per dollar on restaurant purchases and 1 mile per dollar on all other purchases. The Chase Sapphire Preferred Card offers five points per dollar on Lyft rides (valid through March 2022), two points per dollar on travel and dining at restaurants and one point per dollar on all other purchases.

Sign-up bonus: With the Frontier Airlines World Mastercard, you can earn a 40,000-mile sign-up bonus if you make $500 in purchases in the first 90 days and paying the annual fee. The Chase Sapphire Preferred Card offers new cardholders the chance to earn 80,000 bonus points if you make $4,000 on purchases in the first 3 months from account opening.

Benefits: The Frontier Airlines World Mastercard gives cardholders extra benefits including free FICO credit score access and priority boarding, and it charges no foreign transaction fee. The usual foreign transaction fees are waived with Chase Sapphire Preferred Card and you receive access to extra benefits including purchase protection, extended warranty coverage and travel and emergency assistance services.

Annual fee: The Frontier Airlines World Mastercard has a $79 annual fee. The Southwest Rapid Rewards Plus Credit Card requires a $69 annual fee.

Rewards: Frontier Airlines World Mastercard holders earn 5 miles per dollar for purchases with Frontier Airlines, 3 miles per dollar on restaurant purchases and 1 mile per dollar on all other purchases. With the Southwest Rapid Rewards Plus Credit Card, you earn two points per dollar on Southwest purchases. All other purchases earn one point per dollar.

Sign-up bonus: With the Frontier Airlines World Mastercard, new cardholders earn a 40,000-mile sign-up bonus when they make $500 in purchases in the first 90 days and paying the annual fee. New Southwest Rapid Rewards Plus Credit Card holders can earn 40,000 bonus points after spending $1,000 on purchases in the first 3 months. Plus, earn 3X points on dining, including takeout and eligible delivery services, for the first year.

Benefits: The Frontier Airlines World Mastercard provides cardholders with benefits including free FICO credit score access and priority boarding, and it charges no foreign transaction fee. With the Southwest Rapid Rewards Plus Credit Card, you receive extra benefits including first and second checked bag free, a 3,000-point anniversary gift when you renew your card and the usual Visa benefits including online purchase protection, extended warranty protection and lost luggage reimbursement.