Which airports does Frontier Airlines fly between Phoenix and Chicago?
For flights between Phoenix and Chicago, Frontier Airlines operates the following airport routes:
- For flights between Phoenix and Chicago, Frontier Airlines operates from the following airport routes: Sky Harbor International Airport (PHX) to O hare International Airport (ORD)
What do Frontier Airlines flights from Phoenix to Chicago cost?
One of Frontier Airlines cheapest prices for a Phoenix to Chicago flight we have right now is $20.
On average though, flights with Frontier Airlines cost $158.08 for the route Phoenix to Chicago, but it mostly depends on the season and how far in advance you book your tickets.