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O'Hare Intl

$90+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — ORD
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
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 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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$189
(United Airlines)

One-way from

$90
(American Airlines)

Popular in

January

Cheapest in

August

Average price

$304

Good round-trip deal

$356 or less

Good one-way deal

$217 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
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Highest demand for flights based on searches. 6% potential increase in price ($19 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 March 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 March 26, 2025.

This United Airlines deal was found by Cheapflights users on 3/25. 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.
Thu 8/287:00 amTYS - ORD
Nonstop1h 55mUnited Airlines
Sun 8/3110:35 amORD - TYS
Nonstop1h 50mUnited Airlines
Deal found 3/25$189
This Frontier deal was found by Cheapflights users on 3/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/104:31 pmTYS - ORD
1 stop8h 39mFrontier
Sun 4/136:45 amORD - TYS
1 stop8h 01mFrontier
Deal found 3/25$198
This Delta deal was found by Cheapflights users on 3/25. 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.
Tue 8/265:15 pmTYS - ORD
1 stop4h 19mDelta
Sat 8/309:30 amORD - TYS
1 stop4h 38mDelta
Deal found 3/25$199
This American Airlines deal was found by Cheapflights users on 3/25. 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 5/97:50 pmTYS - ORD
Nonstop2h 03mAmerican Airlines
Fri 5/167:25 pmORD - TYS
Nonstop1h 42mAmerican Airlines
Deal found 3/25$221
This Mytrip deal was found by Cheapflights users on 3/25. 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.
Mon 5/57:15 amTYS - ORD
1 stop24h 48mMultiple Airlines
Thu 5/89:08 pmORD - TYS
1 stop13h 52mMultiple Airlines
Deal found 3/25$247

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 March 26, 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

Thu 8/28

7:00 am-7:55 am

Nonstop1h 55m

Chicago O'Hare Intl

Sun 8/31

10:35 am-1:25 pm

Nonstop1h 50m

$189

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Thu 4/10

4:31 pm-12:10 am

1 stop8h 39m

Chicago O'Hare Intl

Sun 4/13

6:45 am-3:46 pm

1 stop8h 01m

$198

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Tue 8/26

5:15 pm-8:34 pm

1 stop4h 19m

Chicago O'Hare Intl

Sat 8/30

9:30 am-3:08 pm

1 stop4h 38m

$199

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Fri 5/9

7:50 pm-8:53 pm

Nonstop2h 03m

Chicago O'Hare Intl

Fri 5/16

7:25 pm-10:07 pm

Nonstop1h 42m

$221

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Mon 5/5

7:15 am-7:03 am

1 stop24h 48m

Chicago O'Hare Intl

Thu 5/8

9:08 pm-12:00 pm

1 stop13h 52m

$247

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Tue 4/29

12:32 pm-1:39 pm

Nonstop2h 07m

$90

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Tue 4/29

2:33 pm-7:00 pm

1 stop5h 27m

$100

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Mon 5/12

7:15 am-7:27 am

1 stop25h 12m

$103

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Sun 4/6

4:43 pm-12:10 am

1 stop8h 27m

$109

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Wed 4/23

7:00 am-7:57 am

Nonstop1h 57m

$120

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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?

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 March 21, 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 $323). 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 March 26, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 50% 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 March 23, 2025.

Travelers seeking maximum savings on their Knoxville to Chicago O'Hare Intl Airport flight should consider departing on Friday afternoons 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.

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 March 26, 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
7,891 reviews

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,891 reviews
Delta
8.0
Very good
7,891 reviews

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,608 reviews
Delta
8.0
Very good
7,891 reviews

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,891 reviews

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Frontier
6.0
Okay
3,272 reviews
Delta
8.0
Very good
7,891 reviews

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 17 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), Frontier ($198), and Delta ($199) offers the cheapest pricing from Knoxville to Chicago O'Hare Intl Airport. Users have found that United Airlines is 32% 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?

    $90 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 Delta and Frontier, with prices starting from $100 and $109, 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 (95%), ANA (89%) and Republic Airways (88%).

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

    Looking at all options, your cheapest flight can be booked for $115. While the most popular route (Knoxville McGhee Tyson - Chicago O'Hare Intl) can be booked for $179 on average our data indicates $2,484 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 $323). 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?

Book flights to Knoxville if you plan to visit one of these locations
Rosemont
Beloit
Naperville
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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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$163Average$263FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$182Average$300FlexibilityNo cancel feeOn-time69%
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