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O'Hare Intl

$76+ 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — ORD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 February, booked 38 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap 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 September 11, 2025.

Round-trip from

$184
(Kiwi.com)

One-way from

$76
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$251

Good round-trip deal

$327 or less

Good one-way deal

$243 or less
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
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Highest demand for flights based on searches. 8% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Knoxville McGhee Tyson to Chicago O'Hare Intl.
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Price to beat on a one-way flight from Knoxville McGhee Tyson to Chicago O'Hare Intl.
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Find 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 September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/11. 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 11/137:17 pmTYS - ORD
1 stop29h 58mFrontier
Sun 11/166:00 amORD - TYS
1 stop11h 22mFrontier
Deal found 9/11$170
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Tue 10/2111:23 amTYS - ORD
1 stop8h 15mMultiple Airlines
Mon 10/2710:51 amORD - TYS
1 stop7h 41mMultiple Airlines
Deal found 9/9$184
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/239:15 pmTYS - ORD
1 stop14h 35mMultiple Airlines
Mon 10/2710:51 amORD - TYS
1 stop7h 41mMultiple Airlines
Deal found 9/9$186
This American Airlines deal was found by Cheapflights users on 9/10. 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 12/115:45 pmTYS - ORD
Nonstop2h 07mAmerican Airlines
Sun 1/187:54 amORD - TYS
Nonstop1h 44mAmerican Airlines
Deal found 9/10$189
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/307:00 amTYS - ORD
Nonstop1h 55mUnited Airlines
Mon 10/67:15 amORD - TYS
Nonstop1h 55mUnited Airlines
Deal found 9/10$194
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 12/121:05 pmTYS - ORD
1 stop6h 39mMultiple Airlines
Sun 12/145:15 pmORD - TYS
1 stop24h 59mMultiple Airlines
Deal found 9/10$198
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/267:00 amTYS - ORD
Nonstop1h 55mUnited Airlines
Sun 9/287:15 amORD - TYS
Nonstop1h 55mUnited Airlines
Deal found 9/10$199
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/27:20 amTYS - ORD
1 stop16h 25mMultiple Airlines
Sun 10/55:35 amORD - TYS
1 stop9h 43mMultiple Airlines
Deal found 9/10$200
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Tue 9/3011:25 amTYS - ORD
1 stop11h 33mMultiple Airlines
Sat 10/48:00 amORD - TYS
1 stop12h 18mMultiple Airlines
Deal found 9/9$206
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/15:40 pmTYS - ORD
1 stop5h 43mDelta
Mon 10/66:45 amORD - TYS
1 stop5h 57mDelta
Deal found 9/9$209
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/238:26 amTYS - ORD
Nonstop2h 04mUnited Airlines
Fri 11/285:50 pmORD - TYS
Nonstop1h 43mUnited Airlines
Deal found 9/8$211
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Wed 10/19:00 amTYS - ORD
2 stops14h 48mMultiple Airlines
Sat 10/48:00 amORD - TYS
1 stop12h 18mMultiple Airlines
Deal found 9/9$212

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 September 11, 2025.
Use the filters below to find and compare flights from Knoxville to Chicago O'Hare Intl Airport that are best for you.

Fly from

Knoxville

Fly to

O'Hare Intl

Route

Depart

Return

Price

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Wed 11/5

8:26 am-9:30 am

Nonstop2h 04m

Chicago O'Hare Intl

Tue 11/11

7:20 am-10:05 am

Nonstop1h 45m

$189

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Sat 9/27

7:00 am-7:55 am

Nonstop1h 55m

Chicago O'Hare Intl

Sun 9/28

10:35 am-1:25 pm

Nonstop1h 50m

$199

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Fri 10/17

8:10 pm-11:58 pm

1 stop4h 48m

Chicago O'Hare Intl

Mon 10/20

1:25 pm-9:13 pm

1 stop6h 48m

$209

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Tue 10/21

6:12 am-1:10 pm

1 stop7h 58m

Chicago O'Hare Intl

Tue 10/28

4:05 pm-11:07 pm

1 stop6h 02m

$209

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Thu 11/6

7:45 am-12:40 pm

1 stop5h 55m

Chicago O'Hare Intl

Wed 11/12

6:45 am-2:46 pm

1 stop7h 01m

$209

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Thu 10/23

12:47 pm-4:11 pm

1 stop4h 24m

Chicago O'Hare Intl

Sat 10/25

4:09 pm-11:07 pm

1 stop5h 58m

$209

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Fri 12/5

7:59 pm-12:01 am

1 stop5h 02m

Chicago O'Hare Intl

Sun 12/14

6:45 am-11:45 am

1 stop4h 00m

$209

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Tue 11/4

5:19 pm-10:26 pm

1 stop6h 07m

Chicago O'Hare Intl

Wed 11/12

10:35 am-4:46 pm

1 stop5h 11m

$209

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Mon 11/24

5:25 am-8:41 am

1 stop4h 16m

Chicago O'Hare Intl

Fri 11/28

6:45 am-1:44 pm

1 stop5h 59m

$209

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Thu 11/6

7:45 am-12:40 pm

1 stop5h 55m

Chicago O'Hare Intl

Tue 11/11

2:30 pm-8:00 pm

1 stop4h 30m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 21 results
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2
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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?

Use this chart to determine the optimal time to book a round-trip flight from Knoxville to O'Hare Intl. Price data was last updated on August 29, 2025.

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 38 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 $245). Flying from Knoxville to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 September 11, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 43% 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 September 7, 2025.

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 evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 11, 2025.
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
8,937 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

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
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

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
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

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 26 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 2h 04m. United Airlines provides one of the quickest options available for as low as $189. 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 ($186), and United Airlines ($189) offers the cheapest pricing from Knoxville to Chicago O'Hare Intl Airport. Users have found that American Airlines is 32% 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 Avianca (92%), ANA (83%) 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 $128. While the most popular route (Knoxville McGhee Tyson - Chicago O'Hare Intl) can be booked for $189 on average, our data indicates $1,088 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 $245). Flying from Knoxville to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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
Schaumburg
Rosemont
Skokie
Gurnee
Hoffman Estates
Des Plaines
Elgin
Arlington Heights
Beloit
Racine
Rockford
Orland Park
Oak Brook
Downers Grove
Naperville
Elk Grove Village
Evanston
Merrillville
Bridgeview
Warrenville

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$186Average$259FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$189Average$306FlexibilityNo cancel feeOn-time69%

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