JetBlue recently announced the "Spring for Less Green" airfare sale, which provides discounts on flights to popular spring break and summer vacation destinations for as low as $46 one-way.

If you're a JetBlue loyalist or could easily be one, this card is a great pick, thanks to its bevy of benefits. Even if you fly with the airline only once or twice a year, it may still make sense.

Additionally, Spirit Airlines offers a daily direct flight from Boston to San Juan, Puerto Rico (SJU), between February 12 ...