Flights Phoenix → Chicago — September 23, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Wednesday, September 23, 2026 on the Phoenix–Chicago route: 1 stop itinerary (2 flights) via Las Vegas Harry Reid (LAS), from Phoenix Sky Harbor (PHX) to Chicago O'Hare (ORD), first flight Frontier Airlines F91895, departs 8:39 PM, arrives 5:38 AM the next day, total travel time 6h 59m including layovers, flight time 5h (layovers excluded), $164 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes not allowed, non-refundable. Price found in an Aviasales search on September 8, 2026 and read by AirSource on September 10, 2026, 20:47 UTC: it is not guaranteed and is confirmed on Aviasales at booking time. The cheapest direct flight observed: Allegiant Air G4671, from Phoenix-Mesa Gateway (AZA) to Chicago (RFD), departs 8:10 AM, arrives 1:19 PM, direct, 3h 9m, $184 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes not allowed, non-refundable.