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$102+ Cheap flights from Knoxville to Detroit (TYS - DTT)

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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — DTT
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Knoxville to Detroit

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Detroit (DTT). 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 16, 2025.

Round-trip from

$208
(Frontier)

One-way from

$102
(Kiwi.com)

Popular in

November

Cheapest in

December

Average price

$519

Good round-trip deal

$346 or less

Good one-way deal

$248 or less
From Knoxville McGhee Tyson to Detroit (DTT)
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One-way flight from Knoxville McGhee Tyson to Detroit (DTT)
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Highest demand for flights based on searches. 3% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($28 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 Detroit (DTT).
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Price to beat on a one-way flight from Knoxville McGhee Tyson to Detroit (DTT).
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Find flight deals from Knoxville to Detroit

Cheapest flights from Knoxville to Detroit
Explore the most affordable flight options available from Knoxville to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Frontier deal was found by Cheapflights users on 9/14. 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.
Fri 10/178:17 pmTYS - DTW
2 stops15h 00mFrontier
Sun 10/266:00 amDTW - TYS
1 stop13h 32mFrontier
Deal found 9/14$208
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 9/308:00 amTYS - DTW
1 stop23h 57mMultiple Airlines
Thu 10/27:10 pmDTW - TYS
1 stop16h 45mMultiple Airlines
Deal found 9/13$228
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/45:23 pmTYS - DTW
1 stop14h 59mMultiple Airlines
Mon 12/83:15 pmDTW - TYS
1 stop24h 47mMultiple Airlines
Deal found 9/16$241
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 9/2512:08 pmTYS - DTW
2 stops26h 38mMultiple Airlines
Tue 9/307:10 pmDTW - TYS
1 stop16h 45mMultiple Airlines
Deal found 9/14$243
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2512:08 pmTYS - DTW
2 stops26h 38mMultiple Airlines
Mon 9/297:02 amDTW - TYS
1 stop10h 32mMultiple Airlines
Deal found 9/15$244
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:53 pmTYS - DTW
1 stop8h 30mMultiple Airlines
Sat 12/69:30 pmDTW - TYS
1 stop14h 01mMultiple Airlines
Deal found 9/16$245
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/99:25 pmTYS - DTW
1 stop10h 22mMultiple Airlines
Mon 10/137:05 amDTW - TYS
1 stop13h 31mMultiple Airlines
Deal found 9/13$249
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/207:02 pmTYS - DTW
1 stop20h 18mMultiple Airlines
Fri 10/249:15 pmDTW - TYS
1 stop16h 05mMultiple Airlines
Deal found 9/16$250
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/248:17 pmTYS - DTW
2 stops15h 00mFrontier
Sun 10/266:00 amDTW - TYS
1 stop13h 32mFrontier
Deal found 9/15$251
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/178:17 pmTYS - DTW
1 stop28h 42mMultiple Airlines
Sun 10/266:00 amDTW - TYS
1 stop7h 33mMultiple Airlines
Deal found 9/14$253
This Frontier deal was found by Cheapflights users on 9/14. 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.
Fri 10/178:17 pmTYS - DTW
2 stops15h 00mFrontier
Sun 10/196:00 amDTW - TYS
1 stop13h 32mFrontier
Deal found 9/14$257

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Detroit 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 16, 2025.
Use the filters below to find and compare flights from Knoxville to Detroit that are best for you.

Fly from

Knoxville

Fly to

Detroit

Route

Depart

Return

Price

KnoxvilleDetroit

TYS - DTW

TYSDTW

Knoxville McGhee Tyson

Tue 9/30

8:00 am-7:57 am

1 stop23h 57m

Detroit Metropolitan Wayne County

Thu 10/2

7:10 pm-11:55 am

1 stop16h 45m

$228

KnoxvilleDetroit

TYS - DTW

TYSDTW

Knoxville McGhee Tyson

Thu 12/4

5:23 pm-8:22 am

1 stop14h 59m

Detroit Metropolitan Wayne County

Mon 12/8

3:15 pm-4:02 pm

1 stop24h 47m

$241

KnoxvilleDetroit

TYS - DTW

TYSDTW

Knoxville McGhee Tyson

Fri 10/24

8:17 pm-11:17 am

2 stops15h 00m

Detroit Metropolitan Wayne County

Sun 10/26

6:00 am-7:32 pm

1 stop13h 32m

$251

KnoxvilleDetroit

TYS - DTW

TYSDTW

Knoxville McGhee Tyson

Mon 10/20

6:00 am-8:16 am

2 stops26h 16m

Detroit Metropolitan Wayne County

Fri 10/24

9:15 pm-1:20 pm

1 stop16h 05m

$262

KnoxvilleDetroit

TYS - DTW

TYSDTW

Knoxville McGhee Tyson

Thu 10/9

1:18 pm-11:06 pm

2 stops9h 48m

Detroit Metropolitan Wayne County

Mon 10/13

7:05 am-8:36 pm

1 stop13h 31m

$265

KnoxvilleDetroit

TYS - DTW

TYSDTW

Knoxville McGhee Tyson

Sat 12/13

8:06 am-7:26 pm

1 stop11h 20m

Detroit Metropolitan Wayne County

Sun 1/18

6:02 pm-10:08 pm

1 stop4h 06m

$297

KnoxvilleDetroit

TYS - DTW

TYSDTW

Knoxville McGhee Tyson

Tue 12/30

2:58 pm-11:58 pm

1 stop9h 00m

Detroit Metropolitan Wayne County

Fri 1/2

3:56 pm-8:43 pm

1 stop4h 47m

$297

KnoxvilleDetroit

TYS - DTW

TYSDTW

Knoxville McGhee Tyson

Fri 10/24

12:47 pm-2:30 pm

Nonstop1h 43m

Detroit Metropolitan Wayne County

Sun 10/26

9:30 am-11:04 am

Nonstop1h 34m

$299

KnoxvilleDetroit

TYS - DTW

TYSDTW

Knoxville McGhee Tyson

Tue 12/30

7:39 am-9:30 am

Nonstop1h 51m

Detroit Metropolitan Wayne County

Fri 1/2

7:30 pm-9:07 pm

Nonstop1h 37m

$299

KnoxvilleDetroit

TYS - DTW

TYSDTW

Knoxville McGhee Tyson

Mon 11/10

7:20 am-8:19 am

1 stop24h 59m

$122

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 16 results
1
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Best time to book a flight from Knoxville to Detroit

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

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

Currently, August is the cheapest month in which you can book a flight from Knoxville to Detroit (average of $250). Flying from Knoxville to Detroit in March is currently the most expensive (average of $305). 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 DTT?

Find hourly flight availability from Knoxville to Detroit. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

When flying from Knoxville to Detroit, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 37% versus a flight at noon.

Weekly flight availability from Knoxville to Detroit

Explore weekly flight availability from Knoxville to Detroit. 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 September 16, 2025.

The most flights from TYS to DTT are scheduled on a Monday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

How much does it cost to fly round-trip from Knoxville to Detroit?

Reviews of airlines servicing Detroit

Get insights into the airlines that provide service to Detroit. 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 Detroit. Reviews last updated September 16, 2025.
Get a feel of what it's like to fly with Delta and American Airlines from Knoxville to Detroit by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

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
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

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
7,957 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

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

  • What airports do I use to fly from Knoxville to Detroit?

    Detroit All airports is the airport most travelers will use when flying to Detroit from Knoxville McGhee Tyson. Booking flights from McGhee Tyson (TYS) to All airports (DTT) should be relatively easy as there are 6 daily flights to Detroit from 2 different airlines. 1h 42m is how long a flight from Knoxville to Detroit All airports will take if you book a nonstop flight.

  • How long is the flight from Knoxville to Detroit?

    For as low as $251, Frontier can have you in Detroit from Knoxville in 15h. The distance between Knoxville and Detroit is about 444 mi.

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

    Flying on American Airlines is currently your cheapest option to Detroit, with prices starting at $318. Another option worth looking into is Delta, starting at $319 round trip. You may be able to fly from Knoxville to Detroit for 40% less than the average price by searching for these airlines.

  • What are the most reliable airlines from Knoxville to Detroit?

    Before booking your flight to Detroit from Knoxville, check out the most reliable airlines to get you to your destination on time: Air France (85%), Delta (81%), Endeavor Airlines( 81%).

  • What are the cheapest flights from Knoxville to Detroit?

    On average you can expect to pay $446 for a flight from Knoxville to Detroit. The cheapest flight overall is $125 while the most popular route, (Knoxville McGhee Tyson - Detroit Metropolitan Wayne County) is currently priced at $244.

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

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

  • How can I find direct flights from Knoxville to Detroit?

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

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

    Yes. Cheapflights offers flight deals from Knoxville to Detroit 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 Detroit?

    Currently, August is the cheapest month in which you can book a flight from Knoxville to Detroit (average of $250). Flying from Knoxville to Detroit in March is currently the most expensive (average of $305). 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 Detroit?

Book flights to Detroit if you plan to visit one of these locations
Roseville
Port Huron

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Top 2 airlines flying from Knoxville to Detroit

Discover the top 2 airlines that operate flights from Knoxville to Detroit. 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$318Average$368FlexibilityNo cancel feeOn-time71%
DeltaCheapest$319Average$456FlexibilityNo cancel feeOn-timeN/A

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