Well hello there, traveler. You're about to embark on a splendid journey from Billings to Minneapolis-St. Paul International Airport, and I sense you're itching for a lowdown on Allegiant Airlines. So buckle up, and let's wing it.

Firstly, let's just tame the elephant in the room about Allegiant. It has its fair share of mixed reviews. Don’t let them stress you out though, my experience with them has been breezy. True, they're a budget airline, so don't expect flying carpets and champagne bubbles. They're all about getting you from A to B, without breaking your wallet. And hey, isn't that something to cheer for?

Now, let's talk baggage. Because hey, we all come with some, right? Allegiant has a pretty straightforward baggage policy. A personal item - like a purse, laptop bag, or kids backpack loaded with those can't-live-without toys - can come onboard for free. Anything beyond that comes with a fee, so make sure you pack up your cowboy boots neatly.

Moving on to seating – ah, the eternal battle for legroom. Allegiant has joined the a-la-carte service bandwagon, where comfort comes with a price tag. So if you're someone who needs that extra wiggle room, or someone who wouldn’t want to make that awkward eye contact with a neighbor while claiming an armrest, then you may want to look at their seat selection option.

As for onboard snacks and beverages, well, I must admit, Allegiant manages to hit quite a pleasant note. Their in-flight menu will flirt with your taste buds with its pretty interesting line-up of sandwiches, snacks, and drinks, all for purchase. But if you're someone who likes to stick to their home-brewed tea or can't shake off that coffee habit of yours, then remember, it's only good old H2O that's free on board.

Now, let's touch on Billings. A charming city, it not only offers breathtaking views but is also a gateway to your travels. As you fly out of Billings, do take a moment to savor your memories, right from the Yellowstone River's meandering beauty to the historic exhibits of The Moss Mansion.

And just when you're about to miss the Western charm, you'll land in Minneapolis-St. Paul International Airport. Ah, the Twin Cities, where cosmopolitan glee meets Midwest charm. With its vibrant arts scene and mouthwatering cuisine, there's something magical waiting to be discovered around every corner.

So there you have it, that’s the Allegiant scoop from Billings to Minneapolis-St. Paul. Just remember, every journey is about embracing the experience, and guess what, the real magic happens in the journey, not the destination. So, sit back, relax and enjoy the ride!