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$120+ Cheap flights from Allentown to Knoxville (ABE - 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — TYS
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Allentown to Knoxville

Cheapest flights from Allentown to Knoxville
Explore the most affordable flight options available from Allentown to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Mytrip deal was found by Cheapflights users on 12/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:36 amABE - TYS
1 stop13h 59mAllegiant Air
Sun 12/219:56 pmTYS - ABE
1 stop14h 48mAllegiant Air
Deal found 12/11$390
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 12/146:49 pmABE - TYS
1 stop24h 10mAllegiant Air
Tue 12/164:52 pmTYS - ABE
1 stop25h 15mAllegiant Air
Deal found 12/10$436
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 12/142:37 pmABE - TYS
1 stop19h 55mAllegiant Air
Mon 12/151:05 pmTYS - ABE
1 stop21h 19mAllegiant Air
Deal found 12/10$440
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 12/142:37 pmABE - TYS
2 stops17h 56mMultiple Airlines
Mon 12/151:05 pmTYS - ABE
1 stop21h 19mMultiple Airlines
Deal found 12/10$530
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
Fri 12/198:03 pmABE - TYS
2 stops20h 30mMultiple Airlines
Sun 12/218:30 amTYS - ABE
1 stop5h 49mMultiple Airlines
Deal found 12/11$545
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 12/119:30 amABE - TYS
1 stop7h 03mMultiple Airlines
Sun 12/145:23 pmTYS - ABE
2 stops29h 01mMultiple Airlines
Deal found 12/10$553
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 12/116:49 pmABE - TYS
1 stop24h 10mAllegiant Air
Sun 12/145:42 pmTYS - ABE
1 stop27h 16mAllegiant Air
Deal found 12/10$608
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
Fri 12/2612:46 pmABE - TYS
1 stop9h 02mAllegiant Air
Tue 12/305:42 pmTYS - ABE
1 stop26h 35mAllegiant Air
Deal found 12/11$710
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Fri 12/124:30 pmABE - TYS
1 stop4h 52mAmerican Airlines
Mon 12/154:38 pmTYS - ABE
1 stop6h 20mAmerican Airlines
Deal found 12/11$727

Find flight deals from Allentown to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Allentown (ABE) 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$289
(Delta)

One-way from

$120
(Mytrip)

Popular in

December

Cheapest in

October

Average price

$779
Provider with most accurate pricing for Allentown-Bethlehem-Knoxville McGhee Tyson flight deals.
Search Deals
Provider most trusted by Cheapflights users for Allentown-Bethlehem-Knoxville McGhee Tyson flights.
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From Allentown-Bethlehem to Knoxville McGhee Tyson
Search Deals
One-way flight from Allentown-Bethlehem to Knoxville McGhee Tyson
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($154 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Allentown 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 December 12, 2025.
Use the filters below to find and compare flights from Allentown to Knoxville that are best for you.

Fly from

Allentown

Fly to

Knoxville

Route

Depart

Return

Price

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Wed 1/7

5:59 pm-11:45 pm

1 stop5h 46m

Knoxville McGhee Tyson

Wed 1/14

5:40 am-12:05 pm

1 stop6h 25m

$289

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Wed 1/7

6:15 am-1:24 pm

1 stop7h 09m

Knoxville McGhee Tyson

Wed 1/14

11:10 am-4:22 pm

1 stop5h 12m

$326

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Wed 2/18

5:58 pm-11:52 pm

1 stop5h 54m

Knoxville McGhee Tyson

Sat 2/21

5:30 am-12:05 pm

1 stop6h 35m

$327

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Thu 1/1

5:39 pm-9:48 pm

1 stop28h 09m

Knoxville McGhee Tyson

Thu 1/15

2:00 pm-4:36 pm

1 stop26h 36m

$399

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Thu 1/1

5:39 pm-9:48 pm

1 stop28h 09m

Knoxville McGhee Tyson

Thu 1/15

9:29 am-11:37 pm

2 stops14h 08m

$400

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Tue 1/20

6:28 am-11:08 am

1 stop4h 40m

Knoxville McGhee Tyson

Fri 1/23

5:40 am-12:05 pm

1 stop6h 25m

$401

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Tue 1/20

6:28 am-11:08 am

1 stop4h 40m

Knoxville McGhee Tyson

Thu 1/22

11:58 am-5:14 pm

1 stop5h 16m

$401

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Fri 3/27

5:54 pm-11:51 pm

1 stop5h 57m

Knoxville McGhee Tyson

Fri 4/3

5:01 pm-10:47 pm

1 stop5h 46m

$447

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Fri 2/6

1:02 pm-4:49 pm

1 stop3h 47m

Knoxville McGhee Tyson

Sun 2/8

4:00 pm-10:26 pm

1 stop6h 26m

$467

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Fri 2/6

4:57 pm-11:44 pm

2 stops30h 47m

Knoxville McGhee Tyson

Sun 2/8

6:45 am-10:41 am

1 stop27h 56m

$597

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 17 results
1
2

Compare providers for flights from Allentown 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 Allentown to Knoxville in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 Allentown-Knoxville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Allentown-Knoxville flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Allentown-Knoxville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Allentown-Knoxville flights, Cheapflights users trust eDreams the most. eDreams 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 Allentown-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 Allentown to Knoxville

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

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

Currently, June is the cheapest month in which you can book a flight from Allentown to Knoxville (average of $46). Flying from Allentown to Knoxville in December is currently the most expensive (average of $123). 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 ABE to TYS?

Find hourly flight availability from Allentown to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s optimal to fly from Allentown to Knoxville at noon. By choosing this option you can save up to 40% on the cost of your flight, compared to a flight in the morning.

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 December 12, 2025.
See what other customers who have flown with Delta, American Airlines, and Allegiant Air from Allentown 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
8,008 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Comfort

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
8,008 reviews
Delta
7.9
Good
8,008 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Comfort

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
7.2
Good
11,048 reviews
Delta
7.9
Good
8,008 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Comfort

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.
Allegiant Air
7.2
Good
699 reviews
Delta
7.9
Good
8,008 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Comfort

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 Allentown 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 Allentown to Knoxville?

    Departing from Allentown to Knoxville will take you 5h 46m. The distance from Allentown to Knoxville is about 572 mi. This flight may include one or multiple stops.

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

    Our cheapest airline available from Allentown to Knoxville is Allegiant Air. Our recent data shows that you can find tickets from as low as $141 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $278 and $353 round-trip. Allegiant Air is currently priced 72% below the average price you’ll pay for this route.

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

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

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

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

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

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

    Currently, June is the cheapest month in which you can book a flight from Allentown to Knoxville (average of $46). Flying from Allentown to Knoxville in December is currently the most expensive (average of $123). 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
Oak Ridge
Murphy

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Top 3 airlines flying from Allentown to Knoxville

Discover the top 3 airlines that operate flights from Allentown 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$141Average$254FlexibilityNo cancel feeOn-time88%
DeltaCheapest$278Average$501FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$404Average$557FlexibilityNo cancel feeOn-time71%

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