Airline credit cards are a great tool to earn miles. So if you're planning upcoming flights, earning rewards on one of these cards can help you save money.

See the latest LUV stock price for Southwest Airlines stock price NYSE: LUV stock rating, related news, valuation, dividends and more to help you make your investing decisions.

United loyalists have an array of credit card options: A no-annual-fee version for the budget-minded, a high-end card with lounge access, and some in-between alternatives.

These business credit cards earn valuable travel rewards and offer perks like airport lounge access and free hotel nights.