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$133+ Cheap flights from Knoxville to Allentown (TYS - ABE)

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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — ABE
May 17 — May 241
Sun 5/17
Sun 5/24
1 adult, Economy
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Cheap flight deals from Knoxville to Allentown

Cheapest flights from Knoxville to Allentown
Explore the most affordable flight options available from Knoxville to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Fri 5/87:30 am
TYS
-
ABE
1 stop12h 40m
Allegiant Air
Sun 5/107:56 pm
ABE
-
TYS
1 stop26h 28m
Allegiant Air
Deal found 4/16$271
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 6/113:42 pm
TYS
-
ABE
1 stop7h 57m
Allegiant Air
Mon 6/158:47 pm
ABE
-
TYS
1 stop19h 08m
Allegiant Air
Deal found 4/15$289
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 5/53:48 pm
TYS
-
ABE
1 stop24h 53m
Allegiant Air
Thu 5/77:56 pm
ABE
-
TYS
1 stop20h 53m
Allegiant Air
Deal found 4/17$351
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/313:46 pm
TYS
-
ABE
2 stops22h 14m
Multiple Airlines
Fri 6/54:39 pm
ABE
-
TYS
1 stop15h 56m
Multiple Airlines
Deal found 4/13$355
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Fri 5/87:30 am
TYS
-
ABE
1 stop12h 40m
Multiple Airlines
Sun 5/107:56 pm
ABE
-
TYS
2 stops16h 29m
Multiple Airlines
Deal found 4/15$356
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/319:19 pm
TYS
-
ABE
1 stop16h 41m
Allegiant Air
Fri 6/54:39 pm
ABE
-
TYS
1 stop15h 56m
Allegiant Air
Deal found 4/13$389
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 6/119:20 pm
TYS
-
ABE
2 stops22h 37m
Multiple Airlines
Mon 6/158:47 pm
ABE
-
TYS
1 stop19h 08m
Multiple Airlines
Deal found 4/15$391
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/2611:31 am
TYS
-
ABE
1 stop6h 32m
Allegiant Air
Tue 6/210:17 am
ABE
-
TYS
1 stop5h 53m
Allegiant Air
Deal found 4/13$395
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Sat 5/161:59 pm
TYS
-
ABE
1 stop22h 12m
Allegiant Air
Sat 5/238:00 am
ABE
-
TYS
1 stop13h 57m
Allegiant Air
Deal found 4/16$416

Find flight deals from Knoxville to Allentown

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Allentown (ABE). 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 April 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$271
(Kiwi.com)

One-way from

$133
(Kiwi.com)
Provider with most accurate pricing for Knoxville McGhee Tyson-Allentown-Bethlehem flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Allentown-Bethlehem flights.
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From Knoxville McGhee Tyson to Allentown-Bethlehem
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One-way flight from Knoxville McGhee Tyson to Allentown-Bethlehem
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Allentown 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 April 17, 2026.
Use the filters below to find and compare flights from Knoxville to Allentown that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Tue 5/5

3:48 pm-4:41 pm

1 stop24h 53m

Allentown-Bethlehem

Thu 5/7

7:56 pm-4:49 pm

1 stop20h 53m

$351

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Fri 5/8

7:30 am-10:53 pm

2 stops15h 23m

Allentown-Bethlehem

Sun 5/10

6:30 am-9:14 pm

1 stop14h 44m

$372

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Sun 5/31

9:19 pm-2:00 pm

1 stop16h 41m

Allentown-Bethlehem

Fri 6/5

4:39 pm-8:35 am

1 stop15h 56m

$389

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Thu 6/11

9:20 pm-7:57 pm

2 stops22h 37m

Allentown-Bethlehem

Mon 6/15

8:47 pm-3:55 pm

1 stop19h 08m

$391
Quickest round-trip

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Tue 5/26

11:31 am-6:03 pm

1 stop6h 32m

Allentown-Bethlehem

Tue 6/2

10:17 am-4:10 pm

1 stop5h 53m

$395

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Sat 5/16

1:59 pm-12:11 pm

1 stop22h 12m

Allentown-Bethlehem

Sat 5/23

2:53 pm-12:46 pm

2 stops45h 53m

$443

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Thu 5/28

6:30 am-1:44 pm

1 stop7h 14m

Allentown-Bethlehem

Sun 5/31

10:42 am-8:56 pm

1 stop10h 14m

$533

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Tue 5/26

7:19 pm-9:38 am

2 stops14h 19m

Allentown-Bethlehem

Tue 6/2

5:36 pm-12:30 am

1 stop6h 54m

$681
Cheapest one-way

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Thu 5/7

9:40 pm-8:10 pm

1 stop22h 30m

$133

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Wed 5/6

4:25 pm-2:56 pm

2 stops22h 31m

$162

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 19 resultsSorted by cheapest first
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Compare providers for flights from Knoxville to Allentown

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 Knoxville to Allentown in April.
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 Knoxville-Allentown flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Allentown flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Allentown flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-Allentown 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 Knoxville-Allentown 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 Knoxville to Allentown

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

Related info for your journey

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

    A quick flight from Knoxville to Allentown can take about 24h 53m. Allegiant Air provides one of the quickest options available for as low as $351. Airlines will cover a distance of 572 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Knoxville to Allentown by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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