Low fare calendar for Frontier flights
This calendar is calculated by Lowfarecalendar.com using ticket prices and our own algorithm. It gives an independent indication of when Frontier fares are usually lower or higher.
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Popular Frontier routes
These are non-stop flights where Frontier is the sole operator with daily flights. The colored bars indicates when its most affordable or not to fly. Click on any block to show the price calendar.
Chicago (MDW) to Dallas (DFW)
2h 42m – Price info not availableRoundtrip tickets price estimation for Chicago to Dallas (Jul 2026 - Jul 2027)
LFC Comment
“Looking at flights between Chicago Midway International and Dallas Fort Worth International, fares dip in August 2026 and peak in July 2027. Most affordable stretch is July–September 2026 and December 2026. Fares rise near Summer and Spring break.”
Dallas (DFW) to Chicago (MDW)
2h 23m – Price info not availableRoundtrip tickets price estimation for Dallas to Chicago (Jul 2026 - Jul 2027)
LFC Comment
“Dallas–Chicago: sees the cheapest period in August 2026, with the costliest in July 2027. Best value shows up in July–September 2026 and November 2026. Memorial Day and Summer often drives demand.”
