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$211+ 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 3/29. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — ABE
Apr 6 — Apr 131
Mon 4/6
Mon 4/13
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 March 7, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/7. 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.
Mon 7/68:30 am
TYS
-
ABE
1 stop26h 13m
Allegiant Air
Sun 7/126:12 pm
ABE
-
TYS
1 stop20h 04m
Allegiant Air
Deal found 3/7$343
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 6/75:53 pm
TYS
-
ABE
1 stop18h 06m
Allegiant Air
Sun 6/146:30 am
ABE
-
TYS
1 stop15h 46m
Allegiant Air
Deal found 3/4$347
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/712:00 pm
TYS
-
ABE
1 stop28h 41m
Allegiant Air
Thu 4/98:09 pm
ABE
-
TYS
1 stop16h 44m
Allegiant Air
Deal found 3/6$423
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 4/712:00 pm
TYS
-
ABE
1 stop28h 41m
Allegiant Air
Fri 4/108:30 am
ABE
-
TYS
1 stop13h 18m
Allegiant Air
Deal found 3/5$425
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/72:56 pm
TYS
-
ABE
2 stops25h 45m
Multiple Airlines
Fri 4/108:30 am
ABE
-
TYS
1 stop13h 18m
Multiple Airlines
Deal found 3/6$432
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 3/217:40 am
TYS
-
ABE
1 stop7h 05m
Allegiant Air
Wed 3/259:00 am
ABE
-
TYS
1 stop9h 09m
Allegiant Air
Deal found 3/6$440
This United Airlines deal was found by Cheapflights users on 3/5. 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.
Sat 10/247:00 am
TYS
-
ABE
1 stop6h 42m
United Airlines
Wed 10/286:15 am
ABE
-
TYS
1 stop7h 03m
United Airlines
Deal found 3/5$445
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Mon 4/69:00 am
TYS
-
ABE
1 stop11h 07m
Allegiant Air
Fri 4/108:30 am
ABE
-
TYS
1 stop13h 18m
Allegiant Air
Deal found 3/6$451

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 March 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$343
(Kiwi.com)

One-way from

$211
(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 March 7, 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

Sun 6/7

5:53 pm-11:59 am

1 stop18h 06m

Allentown-Bethlehem

Sun 6/14

9:30 am-4:40 pm

2 stops31h 10m

$373

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Sat 4/18

1:59 pm-12:11 pm

1 stop22h 12m

Allentown-Bethlehem

Fri 4/24

8:30 am-9:48 pm

1 stop13h 18m

$423

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Tue 4/7

2:56 pm-4:41 pm

2 stops25h 45m

Allentown-Bethlehem

Fri 4/10

8:30 am-9:48 pm

1 stop13h 18m

$438

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Mon 4/6

9:00 am-8:07 pm

1 stop11h 07m

Allentown-Bethlehem

Thu 4/9

8:09 pm-12:53 pm

1 stop16h 44m

$457

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Fri 4/3

5:00 am-11:30 am

1 stop6h 30m

Allentown-Bethlehem

Sun 4/5

6:04 am-11:20 am

1 stop5h 16m

$461

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Mon 4/6

9:00 am-10:53 pm

2 stops13h 53m

Allentown-Bethlehem

Thu 4/9

8:09 pm-12:53 pm

1 stop16h 44m

$547
Quickest round-trip

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Tue 4/7

5:40 am-12:16 pm

1 stop6h 36m

Allentown-Bethlehem

Wed 4/8

6:32 am-11:17 am

1 stop4h 45m

$561

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Fri 8/21

6:30 am-1:42 pm

1 stop7h 12m

Allentown-Bethlehem

Thu 8/27

10:38 am-4:59 pm

1 stop6h 21m

$603

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Tue 4/7

5:40 am-12:16 pm

1 stop6h 36m

Allentown-Bethlehem

Thu 4/9

12:52 pm-5:45 pm

1 stop4h 53m

$680

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Fri 4/3

7:00 am-9:17 pm

1 stop14h 17m

Allentown-Bethlehem

Sun 4/5

5:43 pm-7:56 pm

2 stops26h 13m

$691

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

Showing 1-10 of 15 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 March.
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 18h 06m. Allegiant Air provides one of the quickest options available for as low as $373. 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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