$170 Cheap United flights Tucson (TUS) to Chicago (ORD)

Finding cheap one-way United Airlines flights from TUS to ORD from $170 on Expedia is a cinch — just filter by “Price (lowest to highest).” Or check out our budget-friendly round-trip fares from $304 for your next exciting vacation.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Browse for return or one-way flights to Chicago in January or February. You could find cheaper fares with United Airlines during these off-peak travel months.

Search for affordable United Airlines flights from Tucson Intl. Airport (TUS) to O’Hare Intl. Airport (ORD) one to three months prior to your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare type and journey, the best day of the week to book a domestic flight is generally Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Easily travel from Tucson Intl. Airport (TUS) to O’Hare Intl. Airport (ORD) on any of United Airlines’s 12 weekly direct flights. Apply our “Nonstop” and “Airline” filters to find the United Airlines flight that’ll land at ORD at your preferred time.

From takeoff to touchdown, a direct United Airlines flight from Tucson Intl. Airport (TUS) to O’Hare Intl. Airport (ORD) takes around 3h 41m.

Sunday has the most United Airlines flights from Tucson Intl. Airport (TUS) to O’Hare Intl. Airport (ORD). With 2 daily departures, this is the best day of the week to book something that will work for your schedule.

The first flight from TUS to ORD with United Airlines leaves at 8:34AM UTC-7. You’ll touch down at 1:15PM UTC-6. The final United Airlines flight of the day leaves at 12:25PM UTC-7 and arrives at 5:06PM UTC-6. With 20% fewer cancellations for departures before midday, beginning your travel day early is generally the smartest choice.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

The majority of United Airlines flights from Tucson Intl. Airport (TUS) to Chicago touch down at O’Hare Intl. Airport (ORD). This is the airline’s main entry point to the city. It’s worth exploring Expedia for flights to nearby airports like Midway Intl. Airport (MDW), as fares may be lower.

Offering a rewarding loyalty program, United Airlines is a popular choice for many travelers heading from TUS to ORD. Plus, as a United Mileage Plus and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

United Airlines generally operates Embraer 175 planes for flights from Tucson Intl. Airport (TUS) to O’Hare Intl. Airport (ORD). Keep in mind that aircraft type can vary depending on operational requirements, so the plane you board might be different on the day.

Typically, you can modify or cancel your flight, although additional charges may apply if your booking was made more than 24 hours ago. Need flexible options? Apply the “Changes included” and “No cancel fee” filters to find flights that won’t charge extra if you need to adjust your plans. To update your booking, go to “Trips,” select your flight and click on “Manage Booking” for further information.