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Allentown

$156+ 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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — ABE
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
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 February 19, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/19. 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 6/253:42 pm
TYS
-
ABE
1 stop7h 57m
Allegiant Air
Sun 6/286:00 pm
ABE
-
TYS
1 stop27h 13m
Allegiant Air
Deal found 2/19$324
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Thu 3/57:00 am
TYS
-
ABE
1 stop14h 30m
Allegiant Air
Mon 3/96:00 am
ABE
-
TYS
1 stop9h 55m
Allegiant Air
Deal found 2/17$334
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Thu 3/56:30 am
TYS
-
ABE
2 stops16h 01m
Multiple Airlines
Mon 3/96:00 am
ABE
-
TYS
1 stop9h 55m
Multiple Airlines
Deal found 2/17$379
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
Tue 4/213:48 pm
TYS
-
ABE
1 stop24h 53m
Allegiant Air
Sat 5/26:53 pm
ABE
-
TYS
1 stop24h 47m
Allegiant Air
Deal found 2/16$383
This Delta deal was found by Cheapflights users on 2/18. 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.
Sat 5/2310:28 am
TYS
-
ABE
1 stop6h 55m
Delta
Sun 5/246:30 am
ABE
-
TYS
1 stop4h 42m
Delta
Deal found 2/18$426
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 6/253:42 pm
TYS
-
ABE
1 stop7h 57m
Multiple Airlines
Sun 6/281:17 pm
ABE
-
TYS
2 stops22h 55m
Multiple Airlines
Deal found 2/19$429
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Thu 2/266:07 pm
TYS
-
ABE
1 stop17h 44m
Allegiant Air
Sun 3/111:30 am
ABE
-
TYS
1 stop9h 22m
Allegiant Air
Deal found 2/17$435
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 3/67:17 pm
TYS
-
ABE
1 stop26h 35m
Allegiant Air
Tue 3/103:43 pm
ABE
-
TYS
1 stop26h 26m
Allegiant Air
Deal found 2/19$473
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:50 am
TYS
-
ABE
2 stops9h 29m
Delta
Sat 5/25:59 pm
ABE
-
TYS
1 stop5h 55m
Delta
Deal found 2/16$479
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Thu 2/266:30 am
TYS
-
ABE
2 stops16h 00m
Multiple Airlines
Sun 3/111:30 am
ABE
-
TYS
1 stop9h 22m
Multiple Airlines
Deal found 2/17$490
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 3/62:06 pm
TYS
-
ABE
2 stops25h 39m
Multiple Airlines
Tue 3/103:43 pm
ABE
-
TYS
1 stop26h 26m
Multiple Airlines
Deal found 2/19$547
This Delta deal was found by Cheapflights users on 2/19. 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.
Mon 3/97:40 am
TYS
-
ABE
2 stops9h 37m
Delta
Mon 3/165:58 pm
ABE
-
TYS
1 stop5h 59m
Delta
Deal found 2/19$676

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 February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$324
(Kiwi.com)

One-way from

$156
(Kiwi.com)
Provider with most accurate pricing for Knoxville McGhee Tyson-Allentown-Bethlehem flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Allentown-Bethlehem flights.
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From Knoxville McGhee Tyson to Allentown-Bethlehem
Search Deals
One-way flight from Knoxville McGhee Tyson to Allentown-Bethlehem
Search Deals

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 February 19, 2026.
Use the filters below to find and compare flights from Knoxville to Allentown that are best for you.

Fly from

Knoxville

Fly to

Allentown

Route

Depart

Return

Price

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Thu 3/5

7:00 am-9:30 pm

1 stop14h 30m

Allentown-Bethlehem

Mon 3/9

6:00 am-3:55 pm

1 stop9h 55m

$334

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Thu 3/5

6:30 am-10:31 pm

2 stops16h 01m

Allentown-Bethlehem

Mon 3/9

6:00 am-3:55 pm

1 stop9h 55m

$379

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Tue 4/21

3:48 pm-4:41 pm

1 stop24h 53m

Allentown-Bethlehem

Sat 5/2

6:53 pm-7:40 pm

1 stop24h 47m

$383

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Thu 2/26

6:07 pm-11:51 am

1 stop17h 44m

Allentown-Bethlehem

Sun 3/1

11:30 am-8:52 pm

1 stop9h 22m

$435

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Fri 3/6

7:17 pm-9:52 pm

1 stop26h 35m

Allentown-Bethlehem

Tue 3/10

3:43 pm-6:09 pm

1 stop26h 26m

$473

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Tue 4/21

7:50 am-5:19 pm

2 stops9h 29m

Allentown-Bethlehem

Sat 5/2

5:59 pm-11:54 pm

1 stop5h 55m

$479

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Thu 2/26

6:30 am-10:30 pm

2 stops16h 00m

Allentown-Bethlehem

Sun 3/1

11:30 am-8:52 pm

1 stop9h 22m

$490

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Fri 3/6

2:06 pm-3:45 pm

2 stops25h 39m

Allentown-Bethlehem

Tue 3/10

3:43 pm-6:09 pm

1 stop26h 26m

$547

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Mon 3/9

7:40 am-5:17 pm

2 stops9h 37m

Allentown-Bethlehem

Mon 3/16

5:58 pm-11:57 pm

1 stop5h 59m

$676

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Mon 3/9

7:25 pm-9:56 am

2 stops14h 31m

Allentown-Bethlehem

Mon 3/16

6:51 pm-8:47 pm

1 stop25h 56m

$706

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/16

Showing 1-10 of 20 results
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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 February.
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.

Cheapflights Insights

Everything you need to know about your flight from Knoxville to Allentown

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

Currently, July is the cheapest month in which you can book a flight from Knoxville to Allentown (average of $41). Flying from Knoxville to Allentown in December is currently the most expensive (average of $168). 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.

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 14h 30m. Allegiant Air provides one of the quickest options available for as low as $334. 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.

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

    Currently, July is the cheapest month in which you can book a flight from Knoxville to Allentown (average of $41). Flying from Knoxville to Allentown in December is currently the most expensive (average of $168). 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.

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