For the cheapest flights to Miami Intl Airport book 29 days before departure.
The most popular airlines on the route Chicago O'Hare - Miami Intl Airport: United Airlines (UA), American Airlines (AA), Frontier Airlines (F9).
Direct flights last about 3h 3min.
Direct flights available 5 days a week - Monday, Tuesday, Wednesday, Thursday, Sunday.
Direct flights: United Airlines (UA), Frontier Airlines (F9), American Airlines (AA).
Chicago (IL) Miami (FL)