$90 Cheap United flights Miami (MIA) to Chicago (ORD)

Finding cheap one-way United Airlines flights from MIA to ORD from $90 on Expedia is a cinch — just filter by “Price (lowest to highest).” Or check out our affordable return fares from $179 for your next exciting getaway.**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.

January is one of the most affordable months to jet away to Chicago with United Airlines. You could also find excellent prices on return and one-way tickets in February.

Search for cheap United Airlines flights from Miami Intl. Airport (MIA) to O’Hare Intl. Airport (ORD) one to three months ahead of 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. No matter the fare class and itinerary, the best day to book a domestic flight is generally Sunday and the most expensive tends to be 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.

Choose from one of United Airlines’s 26 direct weekly flights from Miami Intl. Airport (MIA) to O’Hare Intl. Airport (ORD). To see your options, enter your origin, destination and dates and hit search. Then apply the “Nonstop” and “Airline” filters.

It takes around 3h 33m to fly nonstop from Miami Intl. Airport (MIA) to O’Hare Intl. Airport (ORD) with United Airlines.

Tuesday has the most United Airlines flights from Miami Intl. Airport (MIA) to O’Hare Intl. Airport (ORD). With 4 daily departures, this is the best day of the week to find something that will work for your schedule.

Taking off from MIA at 9:00AM UTC-5, the first United Airlines flight to ORD arrives at 11:34AM UTC-6. Traveling early means you’re less likely to experience cancellations.* Not an early riser? The last United Airlines flight from MIA to ORD departs at 5:30PM UTC-5 and touches down at 8:03PM UTC-6.*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.

Most United Airlines flights from Miami Intl. Airport (MIA) to Chicago land at O’Hare Intl. Airport (ORD). This is the airline’s main entry point to this destination. It’s worth checking out Expedia for flights to nearby airports like Midway Intl. Airport (MDW), as tickets may be cheaper.

Offering a rewarding loyalty program, United Airlines is a favorite of many passengers heading from MIA to ORD. Plus, if you’re a United Mileage Plus and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

United Airlines typically flies Boeing 737 MAX 8 planes for flights from Miami Intl. Airport (MIA) to O’Hare Intl. Airport (ORD). This carrier also operates the Boeing 737-900 on this route. Bear in mind that aircraft type can change due to operational reasons, so the plane you catch could be different on the day.

Changes are generally free within 24 hours of booking, but your airline may add a charge after that time. For further information about altering your flights, go to your “Trips,” select your flight and click on “Manage Booking.” If you want the flexibility to make changes without extra charges, check the “No cancel fee” or “Changes included” filter when planning your next escape.