Parking overnight at Newark airport? A $5 holiday discount if you don't mind the shuttle

For fliers parking at Newark Liberty International Airport at least three nights, the Port Authority is offering a $5 discount at Lot P6. Now through Jan. 7, fliers can save $5 at lot P6 by printing out a coupon posted on the Port Authority of New York and New Jersey website and presenting it to a parking cashier upon exiting the lot.

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