Business conferences and sporting events will guarantee you
Although it is arguably quite tough to save up enough miles to get a free flight, using the miles that you've accumulated to offset ticket prices or upgrade seats can still help you save some serious money. Taking advantage of the bonus offers you get when you sign up for top travel credit cards is definitely the easiest way to collect enough miles for 100% free flights.
look for good deals or even deal with a specific airline
attend those events.
usually don’t charge you any type of fee so it never hurts
Many of these budget airlines have their own airline rewards credit cards, and most of them offer a major signup points bonus. For example, the Southwest Rapid Rewards Plus card from Chase offers 40,000 points after spending just $1,000 in your first three months. However, a general travel rewards credit card such as the Chase Sapphire Preferred is the best option for most people, as you have the flexibility to redeem your points towards a wide variety of airlines and hotels. You'll receive 60,000 bonus points worth $750 through the Chase Ultimate Rewards program after you spend $4,000 in the first 3 months of your account opening, and the card features no foreign transaction fees. Compare this card to other travel cards here.