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O'Hare Intl

$102+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — ORD
Jul 23 — Jul 301
Wed 7/23
Wed 7/30
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 September, booked 38 days in advance, depart on a Thursday or Friday 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 July 18, 2025.

Round-trip from

$189
(United Airlines)

One-way from

$102
(Mytrip)

Popular in

January

Cheapest in

August

Average price

$271

Good round-trip deal

$348 or less

Good one-way deal

$260 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 ($27 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 July 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 July 18, 2025.

This United Airlines deal was found by Cheapflights users on 7/15. 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 8/87:00 amTYS - ORD
Nonstop1h 57mUnited Airlines
Sun 8/107:25 amORD - TYS
Nonstop1h 52mUnited Airlines
Deal found 7/15$189
This American Airlines deal was found by Cheapflights users on 7/16. 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 8/85:27 pmTYS - ORD
Nonstop1h 56mAmerican Airlines
Mon 8/119:40 amORD - TYS
Nonstop1h 46mAmerican Airlines
Deal found 7/16$190
This Mytrip deal was found by Cheapflights users on 7/15. 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.
Fri 8/85:02 pmTYS - ORD
1 stop15h 48mMultiple Airlines
Mon 8/1110:00 amORD - TYS
1 stop8h 11mMultiple Airlines
Deal found 7/15$191
This Delta deal was found by Cheapflights users on 7/16. 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.
Sat 8/234:39 pmTYS - ORD
1 stop5h 57mDelta
Sun 8/245:45 amORD - TYS
1 stop4h 18mDelta
Deal found 7/16$209
This Priceline deal was found by Cheapflights users on 7/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/145:25 pmTYS - ORD
1 stop8h 07mFrontier
Sun 8/175:40 amORD - TYS
1 stop9h 49mFrontier
Deal found 7/15$238

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 18, 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

Fri 8/8

7:00 am-7:57 am

Nonstop1h 57m

Chicago O'Hare Intl

Sun 8/10

7:25 am-10:17 am

Nonstop1h 52m

$189

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Fri 8/8

5:27 pm-6:23 pm

Nonstop1h 56m

Chicago O'Hare Intl

Mon 8/11

9:40 am-12:26 pm

Nonstop1h 46m

$190

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Fri 8/8

5:02 pm-7:50 am

1 stop15h 48m

Chicago O'Hare Intl

Mon 8/11

10:00 am-7:11 pm

1 stop8h 11m

$191

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Sat 8/23

6:14 pm-9:36 pm

1 stop4h 22m

Chicago O'Hare Intl

Sun 8/24

5:45 am-1:08 pm

1 stop6h 23m

$209

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Thu 8/14

5:25 pm-12:32 am

1 stop8h 07m

Chicago O'Hare Intl

Sun 8/17

5:40 am-4:29 pm

1 stop9h 49m

$238

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Fri 9/19

1:22 pm-9:58 pm

1 stop9h 36m

$102

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Sun 8/17

5:25 pm-12:32 am

1 stop8h 07m

$123

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/17

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 July 11, 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 July 18, 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 July 13, 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.

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 July 18, 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 (16 on average).

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 18, 2025.
Read reviews from past customers who have flown Delta, 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.
Delta
8.0
Very good
7,959 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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
7,959 reviews
Delta
8.0
Very good
7,959 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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
8,864 reviews
Delta
8.0
Very good
7,959 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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
7,959 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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
3,250 reviews
Delta
8.0
Very good
7,959 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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 25 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), American Airlines ($190), and Delta ($209) 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?

    $123 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $214 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 Avianca (92%), Republic Airways (90%) and ANA (85%).

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

    Looking at all options, your cheapest flight can be booked for $213. While the most popular route (Knoxville McGhee Tyson - Chicago O'Hare Intl) can be booked for $189 on average our data indicates $1,548 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
Hoffman Estates
Beloit
Skokie
Des Plaines
Arlington Heights
Naperville
Elgin
Orland Park
Elk Grove Village
Racine
Rockford
Tinley Park
Merrillville
Evanston
Joliet
Waukegan
Bridgeview
Lake Geneva

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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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$169Average$252FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$182Average$300FlexibilityNo cancel feeOn-time69%

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