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Green Bay

$314+ Cheap flights from Knoxville to Green Bay (TYS - GRB)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — GRB
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Knoxville to Green Bay

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Green Bay (GRB). 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

$259
(United Airlines)

Popular in

October

Cheapest in

January

Average price

$365
From Knoxville McGhee Tyson to Green Bay Austin-Straubel
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Highest demand for flights based on searches. 15% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Knoxville to Green Bay

Cheapest flights from Knoxville to Green Bay
Explore the most affordable flight options available from Knoxville to Green Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

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 9/245:45 amTYS - GRB
2 stops6h 38mDelta
Sun 9/285:34 amGRB - TYS
1 stop4h 22mDelta
Deal found 9/9$314
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/101:14 pmTYS - GRB
1 stop7h 14mAmerican Airlines
Sat 12/139:43 amGRB - TYS
1 stop6h 29mAmerican Airlines
Deal found 9/9$319
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.
Sat 9/135:45 amTYS - GRB
2 stops5h 41mDelta
Sun 9/215:34 amGRB - TYS
1 stop4h 22mDelta
Deal found 9/9$329
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.
Sat 9/206:08 pmTYS - GRB
1 stop5h 52mDelta
Sun 9/285:34 amGRB - TYS
1 stop4h 22mDelta
Deal found 9/9$334
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/205:05 amTYS - GRB
2 stops11h 54mAmerican Airlines
Sun 9/289:48 amGRB - TYS
1 stop5h 31mAmerican Airlines
Deal found 9/9$407
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1311:07 amTYS - GRB
2 stops7h 49mAmerican Airlines
Sun 9/216:00 amGRB - TYS
2 stops10h 43mAmerican Airlines
Deal found 9/9$427
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/247:18 amTYS - GRB
2 stops11h 38mAmerican Airlines
Sun 9/286:00 amGRB - TYS
2 stops9h 03mAmerican Airlines
Deal found 9/9$514

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Green Bay 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 Green Bay that are best for you.

Fly from

Knoxville

Fly to

Green Bay

Route

Depart

Return

Price

KnoxvilleGreen Bay

TYS - GRB

TYSGRB

Knoxville McGhee Tyson

Wed 9/24

5:45 am-11:23 am

2 stops6h 38m

Green Bay Austin-Straubel

Sun 9/28

5:34 am-10:56 am

1 stop4h 22m

$314

KnoxvilleGreen Bay

TYS - GRB

TYSGRB

Knoxville McGhee Tyson

Wed 12/10

1:14 pm-7:28 pm

1 stop7h 14m

Green Bay Austin-Straubel

Sat 12/13

9:43 am-5:12 pm

1 stop6h 29m

$319

KnoxvilleGreen Bay

TYS - GRB

TYSGRB

Knoxville McGhee Tyson

Fri 9/26

7:00 am-12:44 pm

1 stop6h 44m

Green Bay Austin-Straubel

Tue 9/30

8:00 am-1:25 pm

1 stop4h 25m

$329

KnoxvilleGreen Bay

TYS - GRB

TYSGRB

Knoxville McGhee Tyson

Wed 9/24

7:18 am-5:56 pm

2 stops11h 38m

Green Bay Austin-Straubel

Sun 9/28

6:00 am-4:03 pm

2 stops9h 03m

$514

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Best time to book a flight from Knoxville to Green Bay

Have a flexible travel schedule? Discover the best time to fly to Green Bay 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 Green Bay

What is the cheapest month to book a flight from Knoxville to Green Bay?

Currently, January is the cheapest month in which you can book a flight from Knoxville to Green Bay (average of $331). Flying from Knoxville to Green Bay in July is currently the most expensive (average of $463). 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 GRB?

Find hourly flight availability from Knoxville to Green Bay. 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.

It’s typically best to fly out from Knoxville to Green Bay at noon. Doing so could potentially save you 30% on the flight price compared to flying in the afternoon, which is usually more expensive.

Reviews of airlines servicing Green Bay

Get insights into the airlines that provide service to Green Bay. 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 Green Bay. Reviews last updated September 11, 2025.
Read reviews from past customers who have flown United Airlines and American Airlines from Knoxville to Green Bay. 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

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

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

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

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

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

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 Green Bay. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Knoxville to Green Bay?

    For as low as $314, Delta can have you in Green Bay from Knoxville in 6h 38m. Airlines will cover a distance of 638 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Knoxville to Green Bay round-trip?

    Flying on United Airlines is currently your cheapest option to Green Bay, with prices starting at $248. Another option worth looking into is American Airlines, starting at $248 round trip. United Airlines is currently priced 31% below the average price you’ll pay for this route.

  • Can I find deals for flights from Knoxville to Green Bay that include hotel bookings?

    Yes. In addition to deals on Knoxville to Green Bay flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to Green Bay?

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

  • Can I find deals for business class flights from Knoxville to Green Bay?

    Yes. Cheapflights offers flight deals from Knoxville to Green Bay 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 Green Bay?

    Currently, January is the cheapest month in which you can book a flight from Knoxville to Green Bay (average of $331). Flying from Knoxville to Green Bay in July is currently the most expensive (average of $463). 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 Green Bay?

Book flights to Green Bay if you plan to visit one of these locations
Manitowoc

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Top 2 airlines flying from Knoxville to Green Bay

Discover the top 2 airlines that operate flights from Knoxville to Green Bay. 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
United AirlinesCheapest$248Average$448FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$248Average$458FlexibilityNo cancel feeOn-time71%

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