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$131+ 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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — TYS
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheap 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 septiembre 11, 2025.

Round-trip from

$253
(Kiwi.com)

One-way from

$131
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$478
From Allentown-Bethlehem to Knoxville McGhee Tyson
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One-way flight from Allentown-Bethlehem to Knoxville McGhee Tyson
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Highest demand for flights based on searches. 13% potential increase in price ($78 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 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 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 septiembre 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
jue. 9/254:55 pmABE - TYS
1 stop24h 39mAllegiant Air
lun. 9/296:34 pmTYS - ABE
1 stop16h 21mAllegiant Air
Deal found 9/10$253
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/19:14 pmABE - TYS
1 stop11h 26mAllegiant Air
mié. 10/87:52 pmTYS - ABE
1 stop13h 34mAllegiant Air
Deal found 9/9$257
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/19:14 pmABE - TYS
1 stop11h 26mMultiple Airlines
mié. 10/89:00 amTYS - ABE
2 stops23h 54mMultiple Airlines
Deal found 9/9$282
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/196:00 amABE - TYS
1 stop28h 07mAllegiant Air
lun. 9/226:34 pmTYS - ABE
1 stop16h 21mAllegiant Air
Deal found 9/9$291
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/186:30 amABE - TYS
1 stop15h 49mAllegiant Air
lun. 9/226:34 pmTYS - ABE
1 stop16h 21mAllegiant Air
Deal found 9/9$298
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
mar. 9/1611:45 amABE - TYS
1 stop26h 50mAllegiant Air
mar. 9/2311:25 amTYS - ABE
1 stop21h 30mAllegiant Air
Deal found 9/10$300
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/196:00 amABE - TYS
1 stop28h 07mAllegiant Air
sáb. 9/209:31 pmTYS - ABE
1 stop14h 39mAllegiant Air
Deal found 9/9$320
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/186:30 amABE - TYS
1 stop15h 49mAllegiant Air
sáb. 9/209:31 pmTYS - ABE
1 stop14h 39mAllegiant Air
Deal found 9/9$327
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/312:41 pmABE - TYS
1 stop19h 09mAllegiant Air
sáb. 10/49:58 pmTYS - ABE
1 stop12h 36mAllegiant Air
Deal found 9/9$345
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/112:17 pmABE - TYS
2 stops45h 48mAllegiant Air
vie. 10/176:00 amTYS - ABE
1 stop17h 11mAllegiant Air
Deal found 9/9$354

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 septiembre 11, 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

jue. 9/25

4:55 pm-5:34 pm

1 stop24h 39m

Knoxville McGhee Tyson

lun. 9/29

6:34 pm-10:55 am

1 stop16h 21m

$253

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

mié. 10/1

9:14 pm-8:40 am

1 stop11h 26m

Knoxville McGhee Tyson

mié. 10/8

7:52 pm-9:26 am

1 stop13h 34m

$257

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

mié. 10/1

9:14 pm-8:40 am

1 stop11h 26m

Knoxville McGhee Tyson

mié. 10/8

9:00 am-8:54 am

2 stops23h 54m

$282

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

sáb. 2/21

5:32 pm-10:58 pm

1 stop5h 26m

Knoxville McGhee Tyson

mié. 2/25

7:00 am-1:55 pm

1 stop6h 55m

$319

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

vie. 10/3

12:41 pm-7:50 am

1 stop19h 09m

Knoxville McGhee Tyson

sáb. 10/4

9:58 pm-10:34 am

1 stop12h 36m

$345

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

sáb. 10/11

2:17 pm-12:05 pm

2 stops45h 48m

Knoxville McGhee Tyson

vie. 10/17

6:00 am-11:11 pm

1 stop17h 11m

$354

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

jue. 9/25

1:00 pm-10:33 am

2 stops21h 33m

Knoxville McGhee Tyson

lun. 9/29

6:34 pm-10:55 am

1 stop16h 21m

$375

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

jue. 11/6

3:42 pm-10:59 pm

1 stop7h 17m

Knoxville McGhee Tyson

mar. 11/11

11:24 am-11:21 am

2 stops47h 57m

$395

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

vie. 10/3

12:41 pm-7:19 pm

1 stop6h 38m

Knoxville McGhee Tyson

sáb. 10/4

9:58 pm-9:32 pm

2 stops23h 34m

$407

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

mié. 12/17

6:57 pm-9:54 pm

1 stop26h 57m

$131

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 19 results
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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, January is the cheapest month in which you can book a flight from Allentown to Knoxville (average of $294). Flying from Allentown to Knoxville in March is currently the most expensive (average of $376). 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 septiembre 11, 2025.

It’s optimal to fly from Allentown to Knoxville at noon. By choosing this option you can save up to 41% 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 septiembre 11, 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
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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!
Allegiant Air
7.2
Good
702 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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 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 26m. 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 $407 round-trip. Allegiant Air is currently priced 71% 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, January is the cheapest month in which you can book a flight from Allentown to Knoxville (average of $294). Flying from Allentown to Knoxville in March is currently the most expensive (average of $376). 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
Morristown
Cherokee
Corbin
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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$141Average$255FlexibilityNo cancel feeOn-time88%
DeltaCheapest$278Average$501FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$407Average$543FlexibilityNo cancel feeOn-time71%

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