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Cheap flights from Harrisburg to Knoxville from $139

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Harrisburg to Knoxville departing on 8/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Harrisburg to Knoxville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
5:58 pm - 8:36 am
MDT
-
TYS
14h 38m
1 stop
Allegiant Air Logo
1:33 pm - 9:00 am
TYS
-
MDT
19h 27m
1 stop
$254Allegiant Air
Thu, Aug 6 - Sun, Aug 9
Allegiant Air Logo
8:58 pm - 9:15 pm
MDT
-
TYS
24h 17m
1 stop
Allegiant Air Logo
3:56 pm - 9:00 am
TYS
-
MDT
17h 04m
1 stop
$271Allegiant Air
Sun, Aug 2 - Sun, Aug 9
Delta Logo
6:00 am - 11:18 am
MDT
-
TYS
5h 18m
1 stop
Delta Logo
5:35 am - 11:03 am
TYS
-
MDT
5h 28m
1 stop
$289Delta
Wed, Sep 16 - Sun, Sep 20
United Airlines Logo
7:59 pm - 11:54 pm
MDT
-
TYS
3h 55m
1 stop
United Airlines Logo
7:00 am - 2:03 pm
TYS
-
MDT
7h 03m
2 stops
$294United Airlines
Wed, Aug 5 - Tue, Aug 11
United Airlines Logo
2:11 pm - 8:44 pm
MDT
-
TYS
6h 33m
1 stop
United Airlines Logo
7:19 pm - 11:30 pm
TYS
-
MDT
4h 11m
1 stop
$296United Airlines
Sat, Aug 1 - Sat, Aug 8
Multiple Airlines Logo
5:58 pm - 10:00 pm
MDT
-
TYS
28h 02m
2 stops
Multiple Airlines Logo
3:56 pm - 9:00 am
TYS
-
MDT
17h 04m
1 stop
$309Multiple Airlines
Sun, Aug 2 - Sun, Aug 9
Allegiant Air Logo
8:09 pm - 11:03 pm
MDT
-
TYS
26h 54m
1 stop
Allegiant Air Logo
5:03 pm - 5:08 pm
TYS
-
MDT
24h 05m
1 stop
$313Allegiant Air
Sat, Aug 1 - Sat, Aug 8
Allegiant Air Logo
9:11 pm - 4:02 pm
MDT
-
TYS
18h 51m
1 stop
Allegiant Air Logo
10:33 am - 6:40 pm
TYS
-
MDT
8h 07m
1 stop
$327Allegiant Air
Fri, Oct 2 - Mon, Oct 5
United Airlines Logo
7:59 pm - 11:54 pm
MDT
-
TYS
3h 55m
1 stop
United Airlines Logo
7:19 pm - 11:30 pm
TYS
-
MDT
4h 11m
1 stop
$339United Airlines
Sat, Jul 18 - Sat, Jul 25
United Airlines Logo
7:59 pm - 11:54 pm
MDT
-
TYS
3h 55m
1 stop
United Airlines Logo
6:00 am - 2:00 pm
TYS
-
MDT
8h 00m
2 stops
$344United Airlines
Sat, Jul 18 - Sat, Jul 25

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United Airlines flights from Harrisburg to Knoxville

Our best United Airlines deals on Harrisburg to Knoxville flight tickets
United Airlines
Aug 5
MDT7:59 pmHarrisburg
3h 55m
1 stop
TYS11:54 pmKnoxville McGhee Tyson
Aug 11
TYS7:00 amKnoxville McGhee Tyson
7h 03m
2 stops
MDT2:03 pmHarrisburg
$294
United Airlines
Aug 1
MDT2:11 pmHarrisburg
6h 33m
1 stop
TYS8:44 pmKnoxville McGhee Tyson
Aug 8
TYS7:19 pmKnoxville McGhee Tyson
4h 11m
1 stop
MDT11:30 pmHarrisburg
$296
United Airlines
Jul 18
MDT7:59 pmHarrisburg
3h 55m
1 stop
TYS11:54 pmKnoxville McGhee Tyson
Jul 25
TYS7:19 pmKnoxville McGhee Tyson
4h 11m
1 stop
MDT11:30 pmHarrisburg
$339

Allegiant Air flights from Harrisburg to Knoxville

Our best Allegiant Air deals on Harrisburg to Knoxville flight tickets
Allegiant Air
Aug 6
MDT5:58 pmHarrisburg
14h 38m
1 stop
TYS8:36 amKnoxville McGhee Tyson
Aug 9
TYS1:33 pmKnoxville McGhee Tyson
19h 27m
1 stop
MDT9:00 amHarrisburg
$254
Allegiant Air
Aug 2
MDT8:58 pmHarrisburg
24h 17m
1 stop
TYS9:15 pmKnoxville McGhee Tyson
Aug 9
TYS3:56 pmKnoxville McGhee Tyson
17h 04m
1 stop
MDT9:00 amHarrisburg
$271
Allegiant Air
Aug 1
MDT8:09 pmHarrisburg
26h 54m
1 stop
TYS11:03 pmKnoxville McGhee Tyson
Aug 8
TYS5:03 pmKnoxville McGhee Tyson
24h 05m
1 stop
MDT5:08 pmHarrisburg
$313

momondo 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, momondo users made 832,500 searches. Data last updated July 7, 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

Thu 8/6

5:58 pm-8:36 am

1 stop14h 38m

Knoxville McGhee Tyson

Sun 8/9

1:33 pm-9:00 am

1 stop19h 27m

$254

HarrisburgKnoxville

MDT - TYS

MDTTYS

Harrisburg

Sun 8/2

8:58 pm-9:15 pm

1 stop24h 17m

Knoxville McGhee Tyson

Sun 8/9

3:56 pm-9:00 am

1 stop17h 04m

$271

HarrisburgKnoxville

MDT - TYS

MDTTYS

Harrisburg

Wed 9/16

6:00 am-11:18 am

1 stop5h 18m

Knoxville McGhee Tyson

Sun 9/20

5:35 am-11:03 am

1 stop5h 28m

$289

HarrisburgKnoxville

MDT - TYS

MDTTYS

Harrisburg

Wed 8/5

7:59 pm-11:54 pm

1 stop3h 55m

Knoxville McGhee Tyson

Tue 8/11

7:00 am-2:03 pm

2 stops7h 03m

$294

HarrisburgKnoxville

MDT - TYS

MDTTYS

Harrisburg

Sat 8/1

2:11 pm-8:44 pm

1 stop6h 33m

Knoxville McGhee Tyson

Sat 8/8

7:19 pm-11:30 pm

1 stop4h 11m

$296

HarrisburgKnoxville

MDT - TYS

MDTTYS

Harrisburg

Sun 8/2

5:58 pm-10:00 pm

2 stops28h 02m

Knoxville McGhee Tyson

Sun 8/9

3:56 pm-9:00 am

1 stop17h 04m

$309

HarrisburgKnoxville

MDT - TYS

MDTTYS

Harrisburg

Sat 8/1

8:09 pm-11:03 pm

1 stop26h 54m

Knoxville McGhee Tyson

Sat 8/8

5:03 pm-5:08 pm

1 stop24h 05m

$313

HarrisburgKnoxville

MDT - TYS

MDTTYS

Harrisburg

Fri 10/2

9:11 pm-4:02 pm

1 stop18h 51m

Knoxville McGhee Tyson

Mon 10/5

10:33 am-6:40 pm

1 stop8h 07m

$327
Quickest round-trip

HarrisburgKnoxville

MDT - TYS

MDTTYS

Harrisburg

Sat 7/18

7:59 pm-11:54 pm

1 stop3h 55m

Knoxville McGhee Tyson

Sat 7/25

7:19 pm-11:30 pm

1 stop4h 11m

$339

HarrisburgKnoxville

MDT - TYS

MDTTYS

Harrisburg

Sat 7/18

7:59 pm-11:54 pm

1 stop3h 55m

Knoxville McGhee Tyson

Sat 7/25

6:00 am-2:00 pm

2 stops8h 00m

$344

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Knoxville from

How to get the cheapest flight ticket from Harrisburg to Knoxville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Harrisburg and Knoxville?

What is the cheapest month to fly to Knoxville?

The month of January is, on average, the cheapest month to fly to Knoxville from Harrisburg, with most prices found around $271. If you aren’t able to travel during the month of January, then book flights to Knoxville from Harrisburg during February instead. Flights to Knoxville in February, while not as cheap as those in January, still average around $308.

When to book flights from Harrisburg to Knoxville

Are you open to changing your travel dates? Check out the ideal times to fly from Harrisburg to Knoxville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Harrisburg to Knoxville (MDT to TYS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Harrisburg to Knoxville

Fastest flight time

3h 55m

Direct flights

None
The fastest flight from Harrisburg to Knoxville takes 3h 55m
There are no direct flights from Harrisburg to Knoxville. There are no popular flight routes from Harrisburg to Knoxville.
Search flight deals

Frequently asked questions about flying from Harrisburg to Knoxville

  • How far is Harrisburg to Knoxville McGhee Tyson by plane?

    There are 484.3 mi between Harrisburg and Knoxville McGhee Tyson. A reasonable flight in good conditions will take 3h 55m.

  • When did momondo last update prices for flights from Harrisburg Airport to Knoxville McGhee Tyson Airport?

    Prices for flights from Harrisburg Airport to Knoxville McGhee Tyson Airport were last updated today.

  • How many operators does momondo search for flights from Harrisburg Airport to Knoxville McGhee Tyson Airport?

  • How old do you have to be to fly from Harrisburg Airport to Knoxville McGhee Tyson Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Harrisburg Airport to Knoxville McGhee Tyson Airport.

  • What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?

    The travel and health documents required for your trip to Knoxville McGhee Tyson Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Knoxville McGhee Tyson Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Harrisburg to Knoxville?

Best airlines flying from Harrisburg to Knoxville

Compare and see reviews for airlines that fly from Harrisburg to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $228Free CancellationRating
7.1
11,782 reviews
Search American Airlines flights
United AirlinesPriceFrom $281Free CancellationRating
7.4
9,944 reviews
Search United Airlines flights
DeltaPriceFrom $312Free CancellationRating
7.8
8,450 reviews
Search Delta flights

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Pigeon Forge
Gatlinburg
Cherokee
Bryson City
Morristown
Corbin
Alcoa
Maryville
Murphy
Crossville
Oak Ridge
Kodak
Newport
Lenoir City
Dandridge
Clinton
Jefferson City
Rockford

Why use momondo?

Why should I use momondo to find a flight deal from Harrisburg to Knoxville?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Harrisburg to Knoxville. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Harrisburg to Knoxville with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Knoxville from Harrisburg with this policy.

How can momondo help me find flights from Harrisburg to Knoxville?

momondo helps you find the best flight between Harrisburg and Knoxville by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Harrisburg to Knoxville right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Harrisburg to Knoxville flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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