Fly Southwest: DEN to Newark, New Jersey

Friends, travelers, fellow mile-high wanderers, lend me your ears (or eyes, in this case)—I'm about to unravel the ultimate guide for navigating the wild skies with Southwest from the 'mile-high city', Denver, to the 'Big Apple's' sibling, Newark. So parksaren'tyour thing? You'd rather swap the rocky mountains for some industrial charm? Fear not, for where there's a runway, there's a way—and it might just have baggage allowance.

Now, exploring the virtual jungle of 'Flights' can give even the gutsiest traveler the heebie-jeebies. Are you a 'Non-stop' nomad, a 'Connecting flights' connoisseur, a 'Last-minute flights' daredevil, or possibly a 'Red-eye flight' night owl? Beloved reader, the answer to that question is as complex as the itinerary of a migratory bird - an exceptional species known for their impeccable direction. They almost never need to acquire a sudden 'Flight cancellation policy.'

Before we embark on this odyssey, let's have a quick chat about 'Airfare'. It's no secret that 'Cheap Flights' are the Loch Ness Monster of travel. Everyone's heard of them, but have you ever seen one? Fear not, intrepid adventurer, I am here to reveal how we can trap this elusive creature, but I must stress the importance of timing. Don’t fret, I’m not talking about ticking bomb kind of timing, rather, the 'Best time to book.' Remember, every minute counts, especially when you're on 'Flight schedule'

While we can't predict the fortune cookies, we can certainly have a word or two about aircraft classes. For those who enjoy cocooning themselves in luxurious comfort like a caterpillar before its metamorphosis, you'll want to snag spots in 'First-class' or 'Business class'. But if you're an economy warrior – valiant, resilient, and master of the art of inflight leg exercise, the 'Economy class' or 'Premium economy' will be your turf. The wildebeest of the airline ecosystem, these warriors brave the long hours of flight duration with the occasional 'In-flight services' oasis, relishing each slice of supplied cheese like a rare truffle. The long-lived legend of the tiny toilets, however, is a tale for another day.

Circling back to our routes – the 'Direct flights' ones—are like the shooting stars of travel. Fleeting, but oh-so glorious. Adorned with the prospect of no layovers, it's a straight path to your destination. Just like Columbus, but please remember your stop, he didn't. Nevertheless, remember dear friends – every adventure requires a degree of bravery – be it rocky mountain scaling or seat-belt fastening on a rowdy journey.

Now, should you find yourself as a 'Frequent Flyer'—a soaring eagle among pigeons—then fear not! Southwest boasts a sure-fire 'Mileage program' to keep your wanderlust well-fed. Accumulate those journey-jewels and prepare your re-entry to the mile-high club at will!

To wrap it all up, dear traveler, remember: whether you find delight in traversing the limitless skies or you're merely defying gravity due to the demands of business, understanding the intimate details of your journey can transform travel from trip to triumph. Take it from an advanced-level globetrotter, navigating the 'Airline reviews' labyrinth, dicing 'International flights' and 'Domestic flights', believing in golden hours of booking - it's not just about getting from A to B, but the 'Round-trip' dance in between.

So go forth, oh gallant highway of the skies, and may your journeys always continue to be filled with low airfare, convenient connections, and memories worth more than any frequent flyer program can offer.