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Allentown

$199+ 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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — ABE
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
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 January 20, 2026.

This United Airlines deal was found by Cheapflights users on 1/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/311:10 am
TYS
-
ABE
1 stop5h 12m
United Airlines
Sat 2/76:15 am
ABE
-
TYS
1 stop7h 09m
United Airlines
Deal found 1/19$279
This Delta deal was found by Cheapflights users on 1/19. 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.
Thu 3/125:10 pm
TYS
-
ABE
1 stop5h 46m
Delta
Tue 3/175:58 pm
ABE
-
TYS
1 stop5h 59m
Delta
Deal found 1/19$304
This Delta deal was found by Cheapflights users on 1/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/245:00 pm
TYS
-
ABE
1 stop5h 10m
Delta
Mon 1/265:59 pm
ABE
-
TYS
1 stop5h 46m
Delta
Deal found 1/17$339
This Delta deal was found by Cheapflights users on 1/19. 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 3/166:38 pm
TYS
-
ABE
1 stop4h 18m
Delta
Sat 3/215:58 pm
ABE
-
TYS
1 stop5h 59m
Delta
Deal found 1/19$349
This Delta deal was found by Cheapflights users on 1/19. 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.
Thu 3/125:10 pm
TYS
-
ABE
1 stop5h 46m
Delta
Wed 3/186:32 am
ABE
-
TYS
1 stop4h 45m
Delta
Deal found 1/19$354
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 3/124:54 pm
TYS
-
ABE
1 stop5h 45m
Allegiant Air
Sun 3/157:30 am
ABE
-
TYS
1 stop29h 16m
Allegiant Air
Deal found 1/19$355
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 3/124:54 pm
TYS
-
ABE
1 stop5h 45m
Allegiant Air
Mon 3/1610:31 am
ABE
-
TYS
1 stop11h 09m
Allegiant Air
Deal found 1/19$367
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 3/124:54 pm
TYS
-
ABE
1 stop5h 45m
Allegiant Air
Thu 3/199:09 pm
ABE
-
TYS
1 stop24h 38m
Allegiant Air
Deal found 1/19$377
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 3/124:54 pm
TYS
-
ABE
1 stop5h 45m
Allegiant Air
Fri 3/2010:31 am
ABE
-
TYS
1 stop12h 12m
Allegiant Air
Deal found 1/19$401
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 1/235:40 pm
TYS
-
ABE
1 stop20h 56m
Allegiant Air
Sun 1/257:00 am
ABE
-
TYS
1 stop27h 10m
Allegiant Air
Deal found 1/19$409
This Delta deal was found by Cheapflights users on 1/19. 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.
Sat 3/145:13 pm
TYS
-
ABE
1 stop4h 58m
Delta
Sat 3/215:58 pm
ABE
-
TYS
1 stop5h 59m
Delta
Deal found 1/19$419
This Delta deal was found by Cheapflights users on 1/19. 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.
Fri 3/135:10 pm
TYS
-
ABE
1 stop5h 46m
Delta
Mon 3/165:58 pm
ABE
-
TYS
1 stop5h 59m
Delta
Deal found 1/19$424

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 January 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$279
(United Airlines)

One-way from

$199
(Kiwi.com)

Popular in

February

Cheapest in

August

Average price

$538
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.
Search Deals
From Knoxville McGhee Tyson to Allentown-Bethlehem
Search Deals
One-way flight from Knoxville McGhee Tyson to Allentown-Bethlehem
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($136 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($54 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 20, 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

Tue 2/3

11:10 am-4:22 pm

1 stop5h 12m

Allentown-Bethlehem

Sat 2/7

6:15 am-1:24 pm

1 stop7h 09m

$279

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Fri 3/13

5:10 pm-10:56 pm

1 stop5h 46m

Allentown-Bethlehem

Sat 3/21

5:58 pm-11:57 pm

1 stop5h 59m

$304

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Fri 3/13

5:10 pm-10:56 pm

1 stop5h 46m

Allentown-Bethlehem

Tue 3/17

5:58 pm-11:57 pm

1 stop5h 59m

$304

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Tue 3/17

5:10 pm-10:56 pm

1 stop5h 46m

Allentown-Bethlehem

Sat 3/21

5:58 pm-11:57 pm

1 stop5h 59m

$339

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Mon 3/16

6:38 pm-10:56 pm

1 stop4h 18m

Allentown-Bethlehem

Sat 3/21

5:58 pm-11:57 pm

1 stop5h 59m

$349

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Thu 3/12

5:10 pm-10:56 pm

1 stop5h 46m

Allentown-Bethlehem

Wed 3/18

6:32 am-11:17 am

1 stop4h 45m

$354

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Thu 3/12

4:54 pm-10:39 pm

1 stop5h 45m

Allentown-Bethlehem

Mon 3/16

10:31 am-9:40 pm

1 stop11h 09m

$367

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Thu 3/12

4:54 pm-10:39 pm

1 stop5h 45m

Allentown-Bethlehem

Thu 3/19

9:09 pm-9:47 pm

1 stop24h 38m

$377

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Thu 3/12

4:54 pm-10:39 pm

1 stop5h 45m

Allentown-Bethlehem

Fri 3/20

10:31 am-10:43 pm

1 stop12h 12m

$401

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Sat 3/14

5:13 pm-10:11 pm

1 stop4h 58m

Allentown-Bethlehem

Sat 3/21

5:58 pm-11:57 pm

1 stop5h 59m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 17 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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Expedia the most. Expedia 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 $40). 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 5h 12m. United Airlines provides one of the quickest options available for as low as $279. Airlines will cover a distance of 572 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $40). 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.

See more FAQs

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