Find cheap airlines flights from Chicago to Knoxville

You can choose from 1 airlines that fly from Chicago to Knoxville, including Delta Air Lines, American Airlines has lowest fares on this route.
Delta Air Lines logo Delta Air Lines
Airlines are determined based on actual purchased flight tickets from Chicago to Knoxville according to previous 12 months data from Trip.com.

Book direct flights from Chicago to Knoxville: One way flights from $139, round trip flights from $245. Find flight deals for the next 3 months below.

Displayed flight fares from Chicago to Knoxville are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Chicago to Knoxville

The distance between Chicago and Knoxville is approximately 744.27 km. It takes around 1 hour 49 minutes on average to fly from Chicago to Knoxville. Based on Trip.com's data travel demand peaks in January. The off-season for travel is September.

Cheapest one-way flight price$125
Cheapest round-trip ticket price$245
Off-season for travelSeptember
Peak season for travelJanuary
Flight distance744.27 km
Average flight time1 hour 49 minutes
Popular airlineDelta Air Lines
Flight statistics for the Chicago–Knoxville route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Chicago to Knoxville (CHI-TYS)?

    Based on Trip.com data, Delta Air Lines offers one-way fares as low as $125 on Cheapest nonstop routes (e.g. MDW to TYS on Wed, May 20), while United Airlines offers Cheapest nonstop round-trips from $245 departing on Fri, May 8 and returning on Mon, May 11.
  • At the moment, you can catch a nonstop flight from Chicago to Knoxville with the following airlines, including: American Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 1 hour 49 minutes to fly from Chicago (CHI) to Knoxville (TYS).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Chicago to Knoxville is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 43 flight per week flying from Chicago to Knoxville. You can check the weekly schedule for popular airlines on this route below: American Airlines: S/M/T/W/T/F/S -- AA5222 (08:55)
  • To find best deals on flights from Chicago to Knoxville, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, May 20, with one-way flights priced at just $125.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is American Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Knoxville travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Chicago to Knoxville is September, when demand for travel is lower.
  • After crunching the numbers on our April flight calendar, it's currently cheapest to fly from Chicago to Knoxville on April 20, 2026 with Delta Air Lines, with prices starting at $201.
  • You can land at any one of the following hubs in Knoxville, with Chicago Midway International Airport to Mcghee Tyson Airport (MDW-TYS) is by far the most common option on this route: Mcghee Tyson Airport (TYS).
  • The time difference between Knoxville and Chicago is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.