Ride the Airport Express shuttle from/to Chicago O’Hare Airport (ORD) for $30.00 one way or $56.00 round trip. If you are using Chicago Midway Airport (MDW) the rate is $25.00 one way or $46.00 round trip. To receive your discount click here and make your reservation online with Airport Express. Remember to print the confirmation page, or e-mail it to yourself. Or make your reservations by calling 1-800-284-3826 and providing the code SHERATON to the call taker. Please click here for further instructions and boarding locations.