Cheap Flights from Phoenix to Chicago | EazAir

Flight deals from Phoenix to Chicago

Nonstop flights traversing the 1,440 miles separating Phoenix Sky Harbor International Airport and Chicago O'Hare International Airport take approximately three hours and twenty minutes. Passengers traveling eastward from the Sonoran Desert to the Great Lakes region typically cross two time zones, moving from Mountain Standard Time to Central Time. Depending on wind currents over the Midwest, return flights flying westward from Illinois to Arizona tend to run slightly longer, averaging around three hours and forty-five minutes. Multiple major carriers maintain direct daily routes connecting Phoenix with both major Chicago airports. American Airlines and United Airlines operate extensive schedules routing traffic directly into Chicago O'Hare, utilizing their respective midwestern hubs. Southwest Airlines dominates the route into Chicago Midway International Airport, providing high-frequency departures out of their major Phoenix base. Low-cost carriers like Frontier Airlines also schedule seasonal nonstops linking Phoenix and Chicago. Travel demand between Phoenix and Chicago peaks heavily during the winter months, specifically from December through March. Midwesterners frequently purchase tickets southward to escape freezing temperatures, driving up airfares for flights departing Illinois and returning from Arizona during this peak snowbird season. Conversely, ticket prices drop considerably between June and August when passenger volumes decrease due to extreme desert heat, making late summer the most cost-effective time to secure flights for Phoenix to Chicago trips.