Cheap flights from Phoenix to Northwest Chicago from CA $125

View CA $125 flight on Mon, Sep. 15, 2025Opens in a new window

Popular airlines from Phoenix to Northwest Chicago

  • Delta

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  • American Airlines

    American Airlines

  • Alaska Airlines

    Alaska Airlines

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Cheap flights from Phoenix (PHX) to Northwest Chicago (CHI)

Prices were available within the past 7 days and start at CA $125 for one-way flights and CA $260 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Mon, Sep. 15 - Thu, Sep. 18
PHX
Phoenix
ORD
Chicago
CA $260 Roundtrip, found 2 days ago
CA $260
Roundtrip
found 2 days ago
Select Spirit Airlines flight, departing Mon, Sep. 15 from Phoenix to Chicago, returning Thu, Sep. 18, priced at CA $260 found 2 days ago
American Airlines
Mon, Sep. 15 - Thu, Sep. 18
PHX
Phoenix
ORD
Chicago
CA $274 Roundtrip, found 2 days ago
CA $274
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Sep. 15 from Phoenix to Chicago, returning Thu, Sep. 18, priced at CA $274 found 2 days ago
American Airlines
Wed, Aug. 13 - Fri, Aug. 15
PHX
Phoenix
ORD
Chicago
CA $284 Roundtrip, found 4 days ago
CA $284
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Aug. 13 from Phoenix to Chicago, returning Fri, Aug. 15, priced at CA $284 found 4 days ago
Hawaiian Airlines
Fri, Oct. 31 - Sat, Nov. 15
PHX
Phoenix
ORD
Chicago
CA $285 Roundtrip, found 5 days ago
CA $285
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Fri, Oct. 31 from Phoenix to Chicago, returning Sat, Nov. 15, priced at CA $285 found 5 days ago
Alaska Airlines
Mon, Nov. 3 - Sat, Nov. 15
PHX
Phoenix
ORD
Chicago
CA $298 Roundtrip, found 5 days ago
CA $298
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Mon, Nov. 3 from Phoenix to Chicago, returning Sat, Nov. 15, priced at CA $298 found 5 days ago
Delta
Sat, Aug. 16 - Sat, Aug. 23
PHX
Phoenix
ORD
Chicago
CA $307 Roundtrip, found 4 days ago
CA $307
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Aug. 16 from Phoenix to Chicago, returning Sat, Aug. 23, priced at CA $307 found 4 days ago

Find the cheapest month to fly from Phoenix (PHX) to Chicago (ORD)

February is typically the cheapest month to fly

From CA $114 - CA $550 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.