Chicago (ORD) to Fort Lauderdale (FLL): 1,184 miles (1,905 km) great-circle, about 2h 50m nonstop by our estimate. Cheapest fare observed: $99 round-trip on Frontier, nonstop, departing May 27, 2026.
$99 round-trip, Frontier F92205, departing 2026-05-27 at 08:05, returning 2026-05-30. The recorded itinerary left on a Wednesday, returning on a Saturday 3 nights later; the fare was observed 32 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $99, it was the cheapest of the 30 round-trip fares we recorded from ORD (median $221). That is 8.4 cents per great-circle mile (round-trip price over one-way distance), below the ORD median of 16.6 cents across 30 round-trip routes.
Routes from ORD of similar length: Miami (1,199 mi) at $123 and Tampa (1,014 mi) at $173.
Frontier had the cheapest fare on 9 of 30 ORD routes. It is the 22nd longest of the 30 routes we track from ORD.
Of 28 departure airports with a fare to Fort Lauderdale, Chicago (ORD) ranked 7th at $99. Lowest: $64 from Charlotte (CLT); highest: $1825 from Wellington (WLG); 16 nonstop. Cheapest-fare airlines (routes): Frontier (8), Spirit (8), JetBlue (4), WestJet (3), Air Transat (1) and American Airlines (1), plus 3 more.
The reverse, Fort Lauderdale (FLL) to Chicago (CHI), was $126 round-trip on Frontier, nonstop, departing May 22, 2026. Fort Lauderdale to Chicago flights.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Chicago, America/New_York; flight time is our estimate.