Spirit Airlines is often referred to as the 'Greyhound bus of the sky.' It is a low-cost carrier that offers budget-friendly flights across the United States and to various international destinations.

As of now, there are no user-generated pros and cons for flying with Spirit Airlines. Generally, the pros of flying with Spirit Airlines include low ticket prices and various flight options. The cons often mentioned are additional fees for luggage and in-flight amenities, and sometimes less legroom and comfort compared to other airlines.

Spirit Airlines flies to a wide range of destinations across the United States, Latin America, and the Caribbean. Specific routes can be checked on their official website.

Spirit Airlines charges additional fees for checked baggage, carry-on bags, and even for selecting seats. It is recommended to review their baggage policy on their official website before booking.

Spirit Airlines does not offer a built-in in-flight entertainment system on their planes. Passengers are encouraged to bring their own devices and entertainment for the duration of the flight.

Kayak is a travel search engine known primarily for its flight searches, but it also offers comparisons for cruises. It aggregates deals from various cruise lines and travel agencies to help users find the best options.

Kayak offers a variety of travel services including flight searches, hotel bookings, car rentals, and cruise comparisons. It aggregates deals from multiple sources to provide users with a wide range of options.

Yes, Kayak allows users to compare and book cruises. It aggregates deals from various cruise lines and travel agencies to help users find the best available options.

As of now, there are no user-generated pros and cons specifically for using Kayak to book cruises. Generally, Kayak is known for its comprehensive search capabilities and ability to aggregate deals from multiple sources.