Uber offers two rides from select airports for free when using coupon code "AMEXAIRPORT" and paying with American Express. That's tied with our mention from two weeks ago as a savings of up to $65 per ride and easily the best Uber deal we've seen. (We've listed several $20 to $25 off coupons available to everyone, but never a single discount potentially this large.) In all, 11 airports are eligible, including LaGuardia, JFK, Chicago O'Hare, McCarran, Boston Logan, and Washington Dulles; click here to see them all. Deal ends December 31.

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