Phoenix to Chicago flights
The cheapest round trip we found from Phoenix to Chicago is $230 (Feb 1 – 4, 2027, Nonstop), 24% below the usual $303.
PHX to CHI · Round trip · Economy · Prices per person in USD · Price found (1 day ago)
Cheapest found
Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $288 |
| December 2026 | $301 |
| January 2027 | No fares found yet |
| February 2027 | $230 (cheapest month) |
| March 2027 | $305 |
| April 2027 | No fares found yet |
| May 2027 | $373 |
Cheapest dates in the next 4 months
Round trip, per person-
Feb 1 – 4, 2027 3 nights · leave Mon$230 −24% vs usual$230 −24% vs usual Book
Allegiant Air Nonstop · 3h 13m -
Nov 16 – Dec 2 16 nights · leave Mon$288 −5% vs usual$288 −5% vs usual Book
Frontier Airlines 1 stop · 4h 58m -
Nov 25 – Dec 1 6 nights · leave Wed$299$299 Book
Frontier Airlines 1 stop · 4h 13m
-
Nov 25 – 30 5 nights · leave Wed$304$304 Book
Frontier Airlines 1 stop · 5h 44m
-
Nov 26 – Dec 1 5 nights · leave Thu$309$309 Book
Frontier Airlines 1 stop · 5h 03m
-
Dec 1 – 4 3 nights · leave Tue$331 +9% vs usual$331 +9% vs usual Book
Frontier Airlines 1 stop · 4h 59m
-
Nov 15 – 18 3 nights · leave Sun$578 +91% vs usual$578 +91% vs usual Book
Southwest Airlines 1 stop · 4h 35m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
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Go City prices checked Oct 23, 2026; the final price is on Go City. Partner links: we may earn a commission if you book, at no extra cost to you.
Plan the rest of your trip
Chicago · Feb 1 – 4, 2027Partner links: we may earn a commission if you book, at no extra cost to you.
Good to know
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Phoenix to Chicago: questions
How much does a flight from Phoenix to Chicago cost?
The cheapest round trip we have found right now is $230, leaving February 1 and returning February 4. The usual price on this route is about $303, so this fare is 24% less. Prices are per person, economy, in USD.
What is the cheapest month to fly from Phoenix to Chicago?
February 2027, with round trips from $230. The most expensive month in our data is May (from $373). Based on the 5 months ahead we have prices for.
Which airports do Phoenix to Chicago flights use?
Phoenix airports include Phoenix Sky Harbor International (PHX), Phoenix-Mesa Gateway (AZA) and Scottsdale (SCF). Chicago airports include O'Hare International (ORD), Chicago Midway International (MDW) and Chicago Rockford International (RFD). The prices on this page cover every airport in both cities (PHX and CHI are the city codes).
About this route
We track round-trip economy fares from Phoenix (United States) to Chicago (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $230, departing February 1 and returning February 4 on a nonstop flight, about 24% below the usual $303. Right now we're following 7 upcoming date combinations on this route. The cheapest month to fly in our data is February, from $230. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.