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Allentown

$166+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — ABE
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheap 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 September 14, 2025.

Round-trip from

$277
(Mytrip)

One-way from

$166
(Kiwi.com)

Popular in

February

Cheapest in

November

Average price

$552
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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Highest demand for flights based on searches. 26% potential increase in price ($165 potential increase over avg. RT price).
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Cheapest flight prices on average. 13% potential price decrease ($57 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 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 September 14, 2025.

This Mytrip deal was found by Cheapflights users on 9/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/287:00 amTYS - ABE
1 stop9h 05mAllegiant Air
Thu 10/26:30 amABE - TYS
1 stop9h 13mAllegiant Air
Deal found 9/13$277
This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/279:31 pmTYS - ABE
1 stop14h 39mAllegiant Air
Wed 10/19:14 pmABE - TYS
1 stop11h 26mAllegiant Air
Deal found 9/11$293
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 9/254:22 pmTYS - ABE
1 stop19h 42mAllegiant Air
Sun 9/284:55 pmABE - TYS
1 stop24h 39mAllegiant Air
Deal found 9/11$319
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 9/287:00 amTYS - ABE
1 stop9h 05mMultiple Airlines
Thu 10/27:30 amABE - TYS
2 stops13h 47mMultiple Airlines
Deal found 9/13$332
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/136:00 amTYS - ABE
1 stop27h 26mMultiple Airlines
Thu 10/164:32 pmABE - TYS
2 stops30h 44mMultiple Airlines
Deal found 9/12$338
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/136:00 amTYS - ABE
1 stop27h 26mAllegiant Air
Thu 10/168:00 amABE - TYS
1 stop23h 53mAllegiant Air
Deal found 9/12$346
This Delta deal was found by Cheapflights users on 9/12. 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.
Wed 11/195:25 amTYS - ABE
1 stop6h 51mDelta
Tue 12/212:54 pmABE - TYS
1 stop7h 11mDelta
Deal found 9/12$397
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 9/254:22 pmTYS - ABE
1 stop19h 42mMultiple Airlines
Sun 9/284:55 pmABE - TYS
2 stops23h 42mMultiple Airlines
Deal found 9/11$404
This Delta deal was found by Cheapflights users on 9/12. 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 11/223:51 pmTYS - ABE
1 stop6h 21mDelta
Wed 12/312:54 pmABE - TYS
1 stop6h 05mDelta
Deal found 9/12$407
This Delta deal was found by Cheapflights users on 9/14. 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 10/116:15 amTYS - ABE
1 stop5h 51mDelta
Tue 10/146:00 pmABE - TYS
1 stop5h 07mDelta
Deal found 9/14$427
This United Airlines deal was found by Cheapflights users on 9/12. 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 9/272:00 pmTYS - ABE
1 stop20h 38mUnited Airlines
Wed 10/15:28 pmABE - TYS
1 stop5h 22mUnited Airlines
Deal found 9/12$468
This Delta deal was found by Cheapflights users on 9/12. 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.
Wed 11/193:51 pmTYS - ABE
1 stop6h 21mDelta
Fri 11/286:00 amABE - TYS
1 stop17h 52mDelta
Deal found 9/12$477

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 September 14, 2025.
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

Sun 9/28

7:00 am-4:05 pm

1 stop9h 05m

Allentown-Bethlehem

Thu 10/2

6:30 am-3:43 pm

1 stop9h 13m

$277

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Sun 9/28

7:00 am-4:05 pm

1 stop9h 05m

Allentown-Bethlehem

Thu 10/2

7:30 am-9:17 pm

2 stops13h 47m

$332

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Wed 2/18

4:00 pm-10:52 pm

1 stop6h 52m

Allentown-Bethlehem

Sat 2/21

6:30 am-1:26 pm

1 stop6h 56m

$377

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Wed 11/19

3:51 pm-10:12 pm

1 stop6h 21m

Allentown-Bethlehem

Wed 12/3

12:54 pm-6:59 pm

1 stop6h 05m

$397

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Wed 11/19

5:25 am-12:16 pm

1 stop6h 51m

Allentown-Bethlehem

Tue 12/2

12:54 pm-8:05 pm

1 stop7h 11m

$397

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Mon 11/24

3:51 pm-10:12 pm

1 stop6h 21m

Allentown-Bethlehem

Tue 12/2

12:54 pm-6:59 pm

1 stop6h 05m

$407

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Sat 11/22

3:51 pm-10:12 pm

1 stop6h 21m

Allentown-Bethlehem

Wed 12/3

12:54 pm-6:59 pm

1 stop6h 05m

$407

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Sat 11/22

3:51 pm-10:12 pm

1 stop6h 21m

Allentown-Bethlehem

Tue 12/2

12:54 pm-6:59 pm

1 stop6h 05m

$407

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Mon 11/24

3:51 pm-10:12 pm

1 stop6h 21m

Allentown-Bethlehem

Wed 12/3

12:54 pm-6:59 pm

1 stop6h 05m

$407

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Sat 10/11

6:15 am-12:06 pm

1 stop5h 51m

Allentown-Bethlehem

Tue 10/14

6:00 pm-11:07 pm

1 stop5h 07m

$427

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 19 results
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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, February is the cheapest month in which you can book a flight from Knoxville to Allentown (average of $289). Flying from Knoxville to Allentown in December is currently the most expensive (average of $382). 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 TYS to ABE?

Find hourly flight availability from Knoxville to Allentown. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 14, 2025.

When flying from Knoxville to Allentown, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 1% versus a flight in the morning.

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 6h 52m. Allegiant Air provides one of the quickest options available for as low as $377. 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, February is the cheapest month in which you can book a flight from Knoxville to Allentown (average of $289). Flying from Knoxville to Allentown in December is currently the most expensive (average of $382). 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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