Frontier Airlines & Spirit Airlines are selling cheap flights from Phoenix to Chicago for as low as $50 return! That works out to a cost of just 1.7 Cents Per Mile for this 2900 mile journey.

The fare only includes a small carry-on bag placed under the seat, and you need to pay extra if you want to use the overhead storage or to check bags.

Our data shows the lowest prices are available in October 2021. See the link(s) below for dates and prices.

Sample date(s) with Kiwi.com booking link

Oct 12 – Oct 15 ($60)


Oct 12 – Oct 19 ($54)


Oct 12 – Oct 23 ($54)


Oct 12 – Oct 25 ($54)


Oct 12 – Oct 26 ($54)


Oct 12 – Oct 30 ($54)


Oct 16 – Oct 19 ($57)


Oct 18 – Oct 23 ($50)


Nov 3 – Nov 6 ($60)


Dec 10 – Dec 14 ($60)

Are you looking for an apartment to rent for your stay in Chicago? Check out what Vrbo.com has to offer!

We post many cheap flights like this one from Phoenix to Chicago every single day, so have a look at our Travel Deals page, or check out the related posts below!

Note: Prices are valid at the time of publishing this post, but may change in the future.

COVID-19 Note: During these uncertain times, please make sure to check the relevant Coronavirus restrictions for your destination before you book and before you fly. We recommend also checking the refund policy of the airline, as well as purchasing travel insurance for your trip.