Heads up, Chicago explorers! There's a sweet deal popping up for nonstop flights to and from the Windy City. You can snag a roundtrip ticket for as low as $171. This is great news if you've been eyeing that deep-dish pizza or want to stroll along Lake Michigan without breaking the bank on airfare. These deals were found using the Matrix Airfare Search by ITA Software. I know, that sounds a little techy, but basically it's a powerful tool that helps find the lowest fares. The Flight Deal found it and is spreading the love. If you are interested, act quickly - these things don't last long!