$100 Find Cheap Flights from Knoxville to Chicago O'Hare Airport - Compare and Save

Among airlines operating Knoxville to Chicago O'Hare Intl Airport flights:

• American Airlines: offers extra legroom; offers free seat selection
• United Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

2 airlines operate flights between Knoxville and Chicago O'Hare Intl Airport. The airlines offering nonstop flights on this route include:

• American Airlines
• United Airlines

Flights from Knoxville to Chicago O'Hare Intl Airport usually depart from Knoxville McGhee Tyson (TYS) and arrive at Chicago O'Hare Intl (ORD).

Here are some options for this route, based on selected ticket types and cabin classes:

• American Airlines: a cabin bag and a checked bag in Economy Class
• United Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Three cabin classes are available on flights from Knoxville to Chicago O'Hare Intl Airport:

• Economy Class
• Business Class
• First Class

On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $301 round-trip, compared to $420 via a layover through Dallas/Fort Worth (DFW).

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Canadair (Bombardier) Regional Jet CRJ-550 family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Canadair (Bombardier) Regional Jet 700 variants.

Connecting flights from Knoxville to Chicago O'Hare Intl Airport most commonly pass through:

• Atlanta Hartsfield-Jackson (ATL) - 50% of one-stop connections
• Dallas/Fort Worth (DFW) - 50% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.

Yes. Being flexible with your travel dates can save you up to 35% on the Knoxville to Chicago O'Hare Intl Airport route. Friday is the cheapest departure day at $275 round-trip on average, while Monday is the most expensive at $423, a difference of $148. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Morning is the busiest departure period on Knoxville to Chicago O'Hare Intl Airport flights, with 50% of flights leaving in that window. Afternoon departures account for 25%, evening flights for 25%, and night flights for 0%.

Some of the most popular sights in Chicago O'Hare Intl Airport are Magnificent Mile, Grant Park and River North. These are among the most viewed places in Chicago O'Hare Intl Airport on KAYAK.

These are the earliest and latest flight times available from Knoxville to Chicago O'Hare Intl Airport:

• Earliest: departs at 6:00 am and lands at 8:06 am
• Latest: departs at 8:52 pm and lands at 10:58 pm.

The flight takes about 2h 06m.

Last-minute fares on this route - booked within 2 weeks of departure - run 26% above the route average of $303. Book 24 weeks before departure for the lowest fares.

A nonstop flight from Knoxville to Chicago O'Hare Intl Airport takes 2h 06m, covering 475 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $265 to $913. That means the highest observed fare was about 3x higher than the lowest one.

One-way fares from Knoxville to Chicago O'Hare Intl Airport are currently lower than usual. Average one-way flight prices are about $163, which is 36% below the typical average for this route.

Flying via Atlanta Hartsfield-Jackson (ATL) gives the shortest average 1-stop total travel time at 3h 51m, compared with 6h 09m via Dallas/Fort Worth (DFW).

Chicago O'Hare Intl Airport is 1 hour behind Knoxville (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Chicago O'Hare Intl Airport (ORD) hosts 5 major car rental companies, with daily rates starting from around $17 for economy cars. Top options include:
• Routes Car & Truck Rentals
• Europcar
• Hertz
• Dollar
• Ace

Round-trip flights from Knoxville to Chicago O'Hare Intl Airport range from $248 to $383, with an average of $303 over the past 12 months. Anything below $248 counts as a good deal.

American Airlines is the only airline on the Knoxville to Chicago O'Hare Intl Airport route offering in-flight Wi-Fi. Pricing depends on fare class.