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O'Hare Intl

$99+ 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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — ORD
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 October, booked 42 days in advance, depart on a Thursday or Friday and return on a Saturday

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 junio 12, 2025.

Round-trip from

$189
(United Airlines)

One-way from

$99
(Mytrip)

Popular in

January

Cheapest in

August

Average price

$309

Good round-trip deal

$348 or less

Good one-way deal

$239 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. 7% potential increase in price ($24 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 June 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 junio 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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.
vie. 7/115:46 pmTYS - ORD
Nonstop2h 04mUnited Airlines
dom. 7/137:50 pmORD - TYS
Nonstop1h 45mUnited Airlines
Deal found 6/10$189
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/266:08 pmTYS - ORD
1 stop6h 45mMultiple Airlines
jue. 7/314:37 pmORD - TYS
1 stop23h 10mMultiple Airlines
Deal found 6/11$207
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/2510:45 amTYS - ORD
1 stop6h 28mDelta
lun. 7/281:01 pmORD - TYS
1 stop6h 35mDelta
Deal found 6/11$209
This American Airlines deal was found by Cheapflights users on 6/12. 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.
sáb. 10/44:49 pmTYS - ORD
Nonstop2h 01mAmerican Airlines
dom. 10/56:14 pmORD - TYS
Nonstop1h 46mAmerican Airlines
Deal found 6/12$219

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 junio 12, 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

vie. 7/11

5:46 pm-6:50 pm

Nonstop2h 04m

Chicago O'Hare Intl

dom. 7/13

7:50 pm-10:35 pm

Nonstop1h 45m

$189

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

sáb. 7/26

6:08 pm-11:53 pm

1 stop6h 45m

Chicago O'Hare Intl

jue. 7/31

4:37 pm-4:47 pm

1 stop23h 10m

$207

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

vie. 7/25

10:45 am-4:13 pm

1 stop6h 28m

Chicago O'Hare Intl

lun. 7/28

1:01 pm-8:36 pm

1 stop6h 35m

$209

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

sáb. 10/4

4:49 pm-5:50 pm

Nonstop2h 01m

Chicago O'Hare Intl

dom. 10/5

6:14 pm-9:00 pm

Nonstop1h 46m

$219

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

mar. 7/1

4:58 pm-8:50 am

1 stop16h 52m

$99

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

mar. 6/17

6:39 pm-7:34 pm

Nonstop1h 55m

$150

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

lun. 9/15

8:26 pm-11:53 pm

1 stop28h 27m

$154

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

mar. 9/2

11:26 am-6:02 pm

1 stop7h 36m

$224

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

mar. 9/2

5:45 am-2:54 pm

2 stops10h 09m

$230

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

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 June 9, 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 42 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 junio 12, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 44% 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 June 8, 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. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Knoxville to Chicago O'Hare Intl Airport

Explore weekly flight availability from Knoxville to O'Hare Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated junio 12, 2025.

The most flights from TYS to ORD are scheduled on a Thursday (31 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 junio 12, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines from Knoxville to Chicago to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.9
Fair
3,295 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 23 daily outbound flights to Chicago O'Hare Intl from 2 different airlines.

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

    According to our current data, United Airlines ($189), Delta ($209), and American Airlines ($219) offers the cheapest pricing from Knoxville to Chicago O'Hare Intl Airport. Users have found that United Airlines is 31% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Knoxville to Chicago O'Hare Intl Airport one-way?

    $150 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Frontier and Delta, with prices starting from $154 and $224, respectively.

  • 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 (96%), Avianca (93%) and ANA (91%).

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

    Looking at all options, your cheapest flight can be booked for $143. While the most popular route (Knoxville McGhee Tyson - Chicago O'Hare Intl) can be booked for $189 on average our data indicates $1,532 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 Knoxville?

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Schaumburg
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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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$165Average$254FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$183Average$304FlexibilityNo cancel feeOn-time69%

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