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$316+ 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 12/27. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — ABE
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Knoxville to Allentown

Best flights from Knoxville to Allentown
Discover carefully curated flight deals from Knoxville to Allentown that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/22. 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 1/131:00 pmTYS - ABE
1 stop26h 15mAllegiant Air
Fri 1/163:23 pmABE - TYS
1 stop20h 17mAllegiant Air
Deal found 12/22$342
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Wed 2/411:10 amTYS - ABE
1 stop5h 12mUnited Airlines
Sat 2/76:15 amABE - TYS
1 stop7h 09mUnited Airlines
Deal found 12/21$374
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 1/189:29 amTYS - ABE
2 stops14h 08mMultiple Airlines
Sun 1/253:49 pmABE - TYS
1 stop18h 21mMultiple Airlines
Deal found 12/21$449
This Delta deal was found by Cheapflights users on 12/22. 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 1/137:30 amTYS - ABE
2 stops9h 48mDelta
Fri 1/165:59 pmABE - TYS
1 stop5h 46mDelta
Deal found 12/22$666
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 1/189:00 amTYS - ABE
1 stop12h 52mAllegiant Air
Sun 1/253:49 pmABE - TYS
1 stop18h 21mAllegiant Air
Deal found 12/21$410
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Sun 1/187:20 pmTYS - ABE
2 stops25h 45mUnited Airlines
Sun 1/254:57 pmABE - TYS
2 stops26h 30mUnited Airlines
Deal found 12/21$978
This United Airlines deal was found by Cheapflights users on 12/22. 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 1/132:25 pmTYS - ABE
2 stops20h 16mUnited Airlines
Fri 1/164:57 pmABE - TYS
2 stops26h 30mUnited Airlines
Deal found 12/22$1,023

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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$342
(Kiwi.com)

One-way from

$316
(Kiwi.com)

Popular in

February

Cheapest in

August

Average price

$561
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
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($129 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($53 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 23, 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

Tue 1/13

1:00 pm-3:15 pm

1 stop26h 15m

Allentown-Bethlehem

Fri 1/16

3:23 pm-11:40 am

1 stop20h 17m

$342

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Wed 2/4

11:10 am-4:22 pm

1 stop5h 12m

Allentown-Bethlehem

Sat 2/7

6:15 am-1:24 pm

1 stop7h 09m

$374

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Sun 1/18

9:00 am-9:52 pm

1 stop12h 52m

Allentown-Bethlehem

Sun 1/25

3:49 pm-10:10 am

1 stop18h 21m

$410

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Sun 1/18

9:29 am-11:37 pm

2 stops14h 08m

Allentown-Bethlehem

Sun 1/25

3:49 pm-10:10 am

1 stop18h 21m

$449

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Tue 1/13

7:30 am-5:18 pm

2 stops9h 48m

Allentown-Bethlehem

Fri 1/16

5:59 pm-11:45 pm

1 stop5h 46m

$666

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Sun 1/18

7:20 pm-9:05 pm

2 stops25h 45m

Allentown-Bethlehem

Sun 1/25

4:57 pm-7:27 pm

2 stops26h 30m

$978

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Tue 1/13

2:25 pm-10:41 am

2 stops20h 16m

Allentown-Bethlehem

Fri 1/16

4:57 pm-7:27 pm

2 stops26h 30m

$1,023

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Sat 1/3

6:45 am-1:55 pm

1 stop7h 10m

$331

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Sat 12/27

9:17 pm-10:59 pm

2 stops25h 42m

$435

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Fri 1/2

6:00 am-12:09 pm

1 stop6h 09m

$450

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Knoxville-Allentown flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 $174). 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 December 23, 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 66% versus a flight in the evening.

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. Allegiant Air provides one of the quickest options available for as low as $374. 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 $174). 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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