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O'Hare Intl

$111+ Cheap flights from Knoxville (TYS) to O'Hare Intl (ORD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — ORD
Aug 6 — Aug 131
Thu 8/6
Thu 8/13
1 adult, Economy
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Cheapflights Tip: The best prices from Knoxville McGhee Tyson to Chicago O'Hare Intl are usually found in August or April, booked 68 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap flight deals from Knoxville to O'Hare Intl

Cheapest flights from Knoxville to O'Hare Intl
Explore the most affordable flight options available from Knoxville to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 7, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:26 am
TYS
-
ORD
1 stop28h 24m
Multiple Airlines
Mon 8/248:37 am
ORD
-
TYS
1 stop8h 58m
Multiple Airlines
Deal found 7/4$227
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/149:26 am
TYS
-
ORD
1 stop27h 49m
Multiple Airlines
Mon 8/1710:16 am
ORD
-
TYS
1 stop11h 28m
Multiple Airlines
Deal found 7/2$248
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:34 am
TYS
-
ORD
Nonstop2h 11m
American Airlines
Sun 8/167:29 pm
ORD
-
TYS
Nonstop1h 48m
American Airlines
Deal found 7/7$249
This American Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:32 pm
TYS
-
ORD
Nonstop2h 18m
American Airlines
Sun 8/28:15 am
ORD
-
TYS
Nonstop1h 50m
American Airlines
Deal found 7/5$250
This Booking.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/208:19 pm
TYS
-
ORD
1 stop25h 33m
Frontier
Thu 7/239:57 pm
ORD
-
TYS
1 stop20h 27m
Frontier
Deal found 7/6$252
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:29 pm
TYS
-
ORD
1 stop16h 46m
Multiple Airlines
Thu 8/135:13 pm
ORD
-
TYS
1 stop28h 31m
Multiple Airlines
Deal found 7/3$254
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:26 am
TYS
-
ORD
1 stop28h 24m
Multiple Airlines
Fri 8/218:05 am
ORD
-
TYS
1 stop27h 59m
Multiple Airlines
Deal found 7/7$256
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:25 pm
TYS
-
ORD
1 stop5h 27m
American Airlines
Mon 8/1010:05 am
ORD
-
TYS
Nonstop1h 46m
American Airlines
Deal found 7/7$259
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:15 am
TYS
-
ORD
1 stop4h 45m
American Airlines
Sun 8/98:14 am
ORD
-
TYS
Nonstop1h 52m
American Airlines
Deal found 7/7$260
This American Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:02 am
TYS
-
ORD
Nonstop2h 08m
American Airlines
Mon 7/277:09 pm
ORD
-
TYS
Nonstop1h 49m
American Airlines
Deal found 7/5$264

Find flight deals from Knoxville to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$227
(Kiwi.com)

One-way from

$111
(Kiwi.com)

Popular in

June

Cheapest in

August

Average price

$313

Good round-trip deal

$439 or less

Good one-way deal

$266 or less
Provider with most accurate pricing for Knoxville McGhee Tyson-Chicago O'Hare Intl flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Chicago O'Hare Intl flights.
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From Knoxville McGhee Tyson to Chicago O'Hare Intl
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One-way flight from Knoxville McGhee Tyson to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Knoxville McGhee Tyson to Chicago O'Hare Intl.
Search Deals
Price to beat on a one-way flight from Knoxville McGhee Tyson to Chicago O'Hare Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to O'Hare Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 7, 2026.
Use the filters below to find and compare flights from Knoxville to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Sat 7/25

6:00 am-6:59 am

Nonstop1h 59m

Chicago O'Hare Intl

Tue 7/28

6:55 am-9:43 am

Nonstop1h 48m

$249

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Fri 8/21

7:00 am-7:56 am

Nonstop1h 56m

Chicago O'Hare Intl

Mon 8/24

2:10 pm-4:58 pm

Nonstop1h 48m

$249

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Fri 7/31

10:00 am-3:56 pm

1 stop6h 56m

Chicago O'Hare Intl

Mon 8/3

7:09 pm-9:58 pm

Nonstop1h 49m

$259

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Thu 9/17

11:35 am-12:33 pm

Nonstop1h 58m

Chicago O'Hare Intl

Sun 9/20

5:18 am-10:31 am

1 stop4h 13m

$259

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Thu 9/17

7:25 pm-11:59 pm

1 stop5h 34m

Chicago O'Hare Intl

Sun 9/20

5:30 am-11:18 am

1 stop4h 48m

$269

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Fri 9/18

12:23 pm-4:30 pm

1 stop5h 07m

Chicago O'Hare Intl

Mon 9/21

6:25 pm-11:55 pm

1 stop4h 30m

$269

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Sat 7/25

6:10 pm-12:01 am

1 stop6h 51m

Chicago O'Hare Intl

Tue 7/28

5:07 am-10:38 am

1 stop4h 31m

$269

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Wed 11/25

12:00 pm-4:37 pm

1 stop5h 37m

Chicago O'Hare Intl

Sat 11/28

5:30 am-11:06 am

1 stop4h 36m

$269

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Thu 8/6

10:18 am-11:23 am

Nonstop2h 05m

Chicago O'Hare Intl

Sun 8/9

6:55 am-9:43 am

Nonstop1h 48m

$319
Quickest round-trip

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Fri 9/18

6:00 am-6:55 am

Nonstop1h 55m

Chicago O'Hare Intl

Mon 9/21

2:10 pm-4:58 pm

Nonstop1h 48m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Knoxville to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to O'Hare Intl in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Knoxville-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Knoxville to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Knoxville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Knoxville to Chicago O'Hare Intl Airport

How far ahead should I book a flight from Knoxville to Chicago O'Hare Intl Airport?

To ensure you get the cheapest price possible for a flight from Knoxville to Chicago O'Hare Intl Airport, you should look to book at least 32 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Knoxville to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Knoxville to Chicago O'Hare Intl Airport (average of $249). Flying from Knoxville to Chicago O'Hare Intl Airport in June is currently the most expensive (average of $404). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from TYS to ORD?

Find hourly flight availability from Knoxville to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 7, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 37% on flights from Knoxville to Chicago O'Hare Intl Airport by exploring options for tickets in the morning.

What is the cheapest day to fly from Knoxville to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Knoxville to O'Hare Intl. Price data was last updated on July 4, 2026.

Travelers seeking maximum savings on their Knoxville to Chicago O'Hare Intl Airport flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Knoxville to Chicago O'Hare Intl Airport?

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated July 7, 2026.
Read reviews from past customers who have flown United Airlines and American Airlines from Knoxville to Chicago O'Hare Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,944 reviews

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
9,944 reviews
United Airlines
7.4
Good
9,944 reviews

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.1
Good
11,782 reviews
United Airlines
7.4
Good
9,944 reviews

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Knoxville to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Knoxville to Chicago O'Hare Intl?

    Located just 11.3 mi from the city center, Knoxville McGhee Tyson is the airport most travelers will use when flying to Chicago O'Hare Intl from Knoxville. Booking flights from McGhee Tyson (TYS) to Chicago O'Hare Intl should be relatively easy as there are 33 daily outbound flights to Chicago O'Hare Intl from 2 different airlines.

  • How long is the flight from Knoxville to Chicago O'Hare Intl Airport?

    A quick flight from Knoxville to Chicago O'Hare Intl Airport can take about 1h 59m. United Airlines provides one of the quickest options available for as low as $249. Airlines will cover a distance of 475 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Knoxville to Chicago O'Hare Intl Airport round-trip?

    According to our current data, American Airlines ($189), and United Airlines ($189) offers the cheapest pricing from Knoxville to Chicago O'Hare Intl Airport. Users have found that American Airlines is 39% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Knoxville to Chicago O'Hare Intl Airport?

    The top 3 most reliable airlines when flying from Knoxville to Chicago O'Hare Intl Airport are GoJet (93%), PSA Airlines (80%) and Envoy Air (79%).

  • What are the cheapest flights from Knoxville to Chicago O'Hare Intl Airport?

    Looking at all options, your cheapest flight can be booked for $173. While the most popular route (Knoxville McGhee Tyson - Chicago O'Hare Intl) can be booked for $249 on average, our data indicates $1,810 when flying from Knoxville to Chicago O'Hare Intl Airport.

  • Can I find deals for flights from Knoxville to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Knoxville to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to O'Hare Intl.

  • Can I find deals for business class flights from Knoxville to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Knoxville to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Knoxville to Chicago O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Knoxville to Chicago O'Hare Intl Airport (average of $249). Flying from Knoxville to Chicago O'Hare Intl Airport in June is currently the most expensive (average of $404). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Benton Harbor
Rosemont
Schaumburg
Lake Geneva
Naperville
Oak Brook
Gurnee
Delavan
Oakbrook Terrace
South Holland
Libertyville
Hoffman Estates
Downers Grove
Rockford
Racine
Great Lakes
Joliet
Orland Park
Northbrook
Waukegan

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Knoxville to O'Hare Intl

Discover the top 2 airlines that operate flights from Knoxville to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$189Average$320FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$189Average$311FlexibilityNo cancel feeOn-time71%

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