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What would it take to get you to NYC?

The news that Southwest Airlines Co. wants to add flights at New York’s LaGuardia Airport got us thinking of the possibilities. Though the company hasn’t said where it’s going to fly to LaGuardia from, it doesn’t hurt to postulate a little bit. What if you could fly from BWI, where Southwest is the largest carrier?

Update (12:03 p.m.): Southwest is negotiating with the state to cut its gate space at BWI, but said Friday it is not contemplating a reduction to its flight schedule there.

Getting to New York can be convenient from Baltimore, and it can also be cheap. In my experience, it’s rarely been both. Danielle Ulman, energy and finance writer, just bought an Amtrak ticket to travel to and from the Big Apple next week for work. She paid $194, with a AAA discount. It would have otherwise been $225.

Kayak.com, a travel search Web site, showed $270 as the cheapest round trip for a random weekend I chose in January (I’m not really going). There are also buses that have round trips in the $40 range, but their schedules can be irregular, and some folks, especially business travelers, need a little more space than the motorcoach seat can afford. I’ve taken the buses before, though, and I think they’re fine.

You can always drive, but have fun with tolls, traffic, and parking. Since Southwest’s flights are often well under $100 for a one-way flight, it could be about as cheap as taking a road trip (still more than the buses).

So what do you think, would a low-fare airline be the right thing for your NYC travels?

ANDY ROSEN, Business Writer