United Airlines is selling cheap flights from Chicago to San Diego for as low as $54 return! That works out to a cost of just 3.1 Cents Per Mile for this 1700 mile journey.

The fare only includes carry-on luggage, so you need to pay extra if you want to check bags.

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

Sample date(s) with Jetradar.com booking link

Feb 5 – Feb 5 ($54)

We post many cheap flights like this one from Chicago to San Diego 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.

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