march, 2014 2014 ACA open enrollment ends 31marAll Day2014 ACA open enrollment ends Event DetailsThe 2014 Open Enrollment period for the Affordable Care Act (Obamacare) ends on March 31. Event Details The 2014 Open Enrollment period for the Affordable Care Act (Obamacare) ends on March 31. TimeAll Day (Monday) Learn More CalendarGoogleCal