Are you planning a short business trip? If yes, then book a red-eye flights Southwest. You can enjoy many perks when you book a southwest red-eye flight. The flight fares are much cheaper than the regular fares. Since the departure time of these flights are late at night, passengers are offered priority check-in, the airport is less crowded and even the flights have a lighter load. The best part of these flights is that it saves both time and money.