HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Knoxville

$116+ Cheap flights from Harrisburg to Knoxville (MDT - TYS)

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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — TYS
Apr 14 — Apr 211
Tue 4/14
Tue 4/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Harrisburg to Knoxville with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Harrisburg to Knoxville

Cheapest flights from Harrisburg to Knoxville
Explore the most affordable flight options available from Harrisburg to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 15, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:33 pm
MDT
-
TYS
1 stop28h 43m
Allegiant Air
Wed 6/101:02 pm
TYS
-
MDT
1 stop28h 06m
Allegiant Air
Deal found 3/11$273
This American Airlines deal was found by Cheapflights users on 3/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/192:04 pm
MDT
-
TYS
1 stop5h 00m
American Airlines
Tue 9/227:15 am
TYS
-
MDT
1 stop3h 32m
American Airlines
Deal found 3/15$289
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:11 pm
MDT
-
TYS
1 stop25h 13m
Multiple Airlines
Thu 4/169:32 pm
TYS
-
MDT
1 stop19h 54m
Multiple Airlines
Deal found 3/12$305
This Delta deal was found by Cheapflights users on 3/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:56 pm
MDT
-
TYS
1 stop6h 50m
Delta
Sat 8/227:30 am
TYS
-
MDT
1 stop4h 21m
Delta
Deal found 3/12$309
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Sun 5/37:20 pm
MDT
-
TYS
1 stop17h 33m
Allegiant Air
Sun 5/109:40 pm
TYS
-
MDT
1 stop19h 46m
Allegiant Air
Deal found 3/13$311
This American Airlines deal was found by Cheapflights users on 3/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/43:15 pm
MDT
-
TYS
2 stops6h 39m
American Airlines
Tue 4/75:06 pm
TYS
-
MDT
1 stop6h 46m
American Airlines
Deal found 3/11$314
This United Airlines deal was found by Cheapflights users on 3/15. 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.
Tue 4/145:52 pm
MDT
-
TYS
1 stop4h 51m
United Airlines
Sat 4/187:00 am
TYS
-
MDT
2 stops6h 55m
United Airlines
Deal found 3/15$315
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Sun 5/37:20 pm
MDT
-
TYS
1 stop17h 33m
Multiple Airlines
Sun 5/1011:27 am
TYS
-
MDT
2 stops29h 59m
Multiple Airlines
Deal found 3/13$319
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Mon 5/49:20 am
MDT
-
TYS
1 stop13h 04m
Allegiant Air
Fri 5/87:30 am
TYS
-
MDT
1 stop9h 56m
Allegiant Air
Deal found 3/15$326
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/119:20 am
MDT
-
TYS
1 stop13h 04m
Allegiant Air
Mon 5/182:06 pm
TYS
-
MDT
1 stop5h 07m
Allegiant Air
Deal found 3/12$330

Find flight deals from Harrisburg to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Harrisburg (MDT) to Knoxville (TYS). 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 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$273
(Kiwi.com)

One-way from

$116
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$1,056
Provider with most accurate pricing for Harrisburg-Knoxville McGhee Tyson flight deals.
Search Deals
Provider most trusted by Cheapflights users for Harrisburg-Knoxville McGhee Tyson flights.
Search Deals
From Harrisburg to Knoxville McGhee Tyson
Search Deals
One-way flight from Harrisburg to Knoxville McGhee Tyson
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($114 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 14% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harrisburg to Knoxville 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 15, 2026.
Use the filters below to find and compare flights from Harrisburg to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarrisburgKnoxville

MDT - TYS

MDTTYS

Harrisburg

Wed 4/8

6:15 am-10:50 am

1 stop4h 35m

Knoxville McGhee Tyson

Wed 4/15

7:00 am-1:30 pm

1 stop6h 30m

$289

HarrisburgKnoxville

MDT - TYS

MDTTYS

Harrisburg

Sun 4/19

6:15 am-10:50 am

1 stop4h 35m

Knoxville McGhee Tyson

Sat 4/25

7:00 am-1:30 pm

1 stop6h 30m

$309

HarrisburgKnoxville

MDT - TYS

MDTTYS

Harrisburg

Sun 5/3

6:15 am-10:49 am

1 stop4h 34m

Knoxville McGhee Tyson

Wed 5/6

5:55 pm-12:55 am

1 stop7h 00m

$337

HarrisburgKnoxville

MDT - TYS

MDTTYS

Harrisburg

Thu 5/21

8:37 pm-9:13 pm

1 stop24h 36m

Knoxville McGhee Tyson

Tue 5/26

5:00 pm-1:19 pm

1 stop20h 19m

$408
Quickest round-trip

HarrisburgKnoxville

MDT - TYS

MDTTYS

Harrisburg

Tue 4/7

5:52 pm-10:34 pm

1 stop4h 42m

Knoxville McGhee Tyson

Sun 4/12

7:20 pm-11:28 pm

1 stop4h 08m

$444

HarrisburgKnoxville

MDT - TYS

MDTTYS

Harrisburg

Thu 4/9

9:11 pm-10:24 pm

1 stop25h 13m

Knoxville McGhee Tyson

Sun 4/12

8:20 am-2:50 pm

1 stop6h 30m

$466

HarrisburgKnoxville

MDT - TYS

MDTTYS

Harrisburg

Sun 3/29

5:47 pm-10:29 pm

1 stop4h 42m

Knoxville McGhee Tyson

Thu 4/2

7:20 pm-11:28 pm

1 stop4h 08m

$477

HarrisburgKnoxville

MDT - TYS

MDTTYS

Harrisburg

Mon 3/30

5:47 pm-10:29 pm

1 stop4h 42m

Knoxville McGhee Tyson

Fri 4/3

7:20 pm-11:28 pm

1 stop4h 08m

$477

HarrisburgKnoxville

MDT - TYS

MDTTYS

Harrisburg

Tue 5/26

6:15 am-5:12 pm

2 stops10h 57m

Knoxville McGhee Tyson

Sun 5/31

5:45 am-9:40 am

1 stop3h 55m

$503
Cheapest one-way

HarrisburgKnoxville

MDT - TYS

MDTTYS

Harrisburg

Thu 4/30

7:20 pm-12:53 pm

1 stop17h 33m

$118

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Harrisburg to Knoxville

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 Harrisburg to Knoxville in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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 Harrisburg-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harrisburg-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Harrisburg-Knoxville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Harrisburg-Knoxville 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 Harrisburg-Knoxville 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 Harrisburg to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Harrisburg 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 Harrisburg to Knoxville

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

Currently, October is the cheapest month in which you can book a flight from Harrisburg to Knoxville (average of $118). Flying from Harrisburg to Knoxville in February is currently the most expensive (average of $268). 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.

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

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. 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 Knoxville. Reviews last updated March 15, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Harrisburg to Knoxville have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,293 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,293 reviews
Delta
7.9
Good
8,293 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,427 reviews
Delta
7.9
Good
8,293 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,472 reviews
Delta
7.9
Good
8,293 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Harrisburg to Knoxville. 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 Harrisburg to Knoxville?

    Airlines like United Airlines fly from Harrisburg to Knoxville in about 4h 35m. The time it takes to get you to your destination can typically vary by up to . The distance between Harrisburg and Knoxville is about 496 mi.

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

    According to our current data, Delta ($198), American Airlines ($228), and United Airlines ($281) offers the cheapest pricing from Harrisburg to Knoxville. Delta is 55% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Harrisburg to Knoxville (average of $118). Flying from Harrisburg to Knoxville in February is currently the most expensive (average of $268). 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
Cherokee
Crossville
Corbin
Morristown
Bryson City
Alcoa
Murphy
Oak Ridge

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Harrisburg to Knoxville

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Nashville flights
LaGuardia to Nashville flights
John F Kennedy Intl to Nashville flights
Philadelphia to Nashville flights
Reagan-National to Nashville flights
Dulles Intl to Nashville flights
LaGuardia to Knoxville flights
John F Kennedy Intl to Knoxville flights
Newark to Memphis flights
LaGuardia to Memphis flights
John F Kennedy Intl to Memphis flights
Dulles Intl to Memphis flights
Dulles Intl to Knoxville flights
Reagan-National to Memphis flights
Philadelphia to Knoxville flights
Reagan-National to Knoxville flights
Dulles Intl to Chattanooga flights
Newark to Chattanooga flights
LaGuardia to Chattanooga flights
Pittsburgh to Nashville flights
Newark to Knoxville flights
Allentown to Nashville flights
Philadelphia to Memphis flights
John F Kennedy Intl to Chattanooga flights
Reagan-National to Chattanooga flights
Pittsburgh to Knoxville flights
Pittsburgh to Memphis flights
Philadelphia to Chattanooga flights
Scranton to Nashville flights
Harrisburg to Nashville flights
Newark to Blountville flights
Pittsburgh to Chattanooga flights
John F Kennedy Intl to Blountville flights
Harrisburg to Chattanooga flights
LaGuardia to Blountville flights
Allentown to Knoxville flights
Pittsburgh to Blountville flights
Harrisburg to Memphis flights
State College to Nashville flights
Allentown to Memphis flights
State College to Knoxville flights
Erie to Nashville flights
Scranton to Knoxville flights
Allentown to Chattanooga flights
Scranton to Memphis flights
Elmira to Nashville flights

Top 3 airlines flying from Harrisburg to Knoxville

Discover the top 3 airlines that operate flights from Harrisburg to Knoxville. 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 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$198Average$459FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$228Average$437FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$281Average$327FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights