$141 Cheap United flights Chicago (ORD) to Knoxville (TYS)

Finding cheap one-way United Airlines flights from ORD to TYS from $141 on Expedia couldn’t be easier — just filter by “Price (lowest to highest).” Or check out our affordable return fares from $189 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.

United Airlines flights to Knoxville are usually cheaper in the quieter months of January and December. Whether you need a one-way or round-trip ticket, you could land a better deal then.

For cheap United Airlines fares from O’Hare Intl. Airport (ORD) to McGhee Tyson Airport (TYS), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect what you pay. Sunday tends to be the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight on a Sunday.**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 O’Hare Intl. Airport (ORD) to McGhee Tyson Airport (TYS) on one of United Airlines’s 21 direct weekly flights. Apply our “Nonstop” and “Airline” filters to find the United Airlines flight that’ll get you to TYS at a time that suits you.

Leave O’Hare Intl. Airport (ORD) for McGhee Tyson Airport (TYS) on a nonstop United Airlines flight, and you’ll be in the sky for approximately 1h 45m.

If you’re looking for flexibility, Friday offers the most choice for United Airlines flights from O’Hare Intl. Airport (ORD) to McGhee Tyson Airport (TYS). Take your pick of 3 different departures.

The first flight from ORD to TYS with United Airlines leaves at 10:35AM UTC-6. You’ll land at 1:18PM UTC-5. The final United Airlines flight of the day takes off at 7:52PM UTC-6 and arrives at 10:42PM UTC-5. With 20% fewer cancellations for morning and mid-morning departures, heading out early is often the smartest option.**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.

United Airlines flights from O’Hare Intl. Airport (ORD) to Knoxville arrive at McGhee Tyson Airport (TYS). This is the main gateway here.

A rewarding loyalty program and the opportunity to collect points through United Mileage Plus are the start of the reasons to depart from ORD to TYS with United Airlines. Plus, when you join our One Key™ program, you can receive OneKeyCash™* on top of United Airlines’s loyalty program earnings. It’s yours to use wherever your next trip takes you.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Chances are you’ll catch an Embraer 175 for your United Airlines flight from O’Hare Intl. Airport (ORD) to McGhee Tyson Airport (TYS). However, you could end up on another aircraft for operational reasons.

It’s usually possible to cancel or reschedule your flight, although there may be additional charges if you booked over 24 hours ago. Want to keep your options open? Use Expedia’s “Changes included” and “No cancel fee” filters to find flights that won’t charge you extra if you need to alter your plans. To make modifications, head to “Trips,” select your flight and click on “Manage Booking” for more information.