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$274+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — ABE
Jul 19 — Jul 261
Sat 7/19
Sat 7/26
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 July 14, 2025.

Round-trip from

$290
(Mytrip)

One-way from

$274
(United Airlines)

Popular in

February

Cheapest in

November

Average price

$333
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. 33% potential increase in price ($215 potential increase over avg. RT price).
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Cheapest flight prices on average. 17% potential price decrease ($63 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 14, 2025.

This Mytrip deal was found by Cheapflights users on 7/13. 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.
Fri 7/2510:05 pmTYS - ABE
1 stop13h 51mAllegiant Air
Mon 7/286:30 amABE - TYS
1 stop14h 50mAllegiant Air
Deal found 7/13$290
This Mytrip deal was found by Cheapflights users on 7/13. 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.
Fri 7/2511:01 amTYS - ABE
3 stops23h 01mMultiple Airlines
Mon 7/286:30 amABE - TYS
1 stop14h 50mMultiple Airlines
Deal found 7/13$407
This United Airlines deal was found by Cheapflights users on 7/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/197:00 amTYS - ABE
1 stop4h 58mUnited Airlines
Thu 8/215:28 pmABE - TYS
1 stop5h 09mUnited Airlines
Deal found 7/14$552
This Delta deal was found by Cheapflights users on 7/14. 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.
Tue 8/196:14 pmTYS - ABE
1 stop4h 43mDelta
Fri 8/226:14 pmABE - TYS
1 stop5h 34mDelta
Deal found 7/14$567

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 July 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

Fri 7/25

10:05 pm-11:56 am

1 stop13h 51m

Allentown-Bethlehem

Mon 7/28

6:30 am-9:20 pm

1 stop14h 50m

$290

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Fri 7/25

11:01 am-10:02 am

3 stops23h 01m

Allentown-Bethlehem

Mon 7/28

6:30 am-9:20 pm

1 stop14h 50m

$407

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Tue 8/19

7:00 am-11:58 am

1 stop4h 58m

Allentown-Bethlehem

Thu 8/21

5:28 pm-10:37 pm

1 stop5h 09m

$552

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Tue 8/19

6:14 pm-10:57 pm

1 stop4h 43m

Allentown-Bethlehem

Fri 8/22

6:14 pm-11:48 pm

1 stop5h 34m

$567

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Tue 9/2

7:00 am-11:58 am

1 stop4h 58m

$274

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Fri 7/25

6:19 pm-10:30 pm

1 stop4h 11m

$346

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/13

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 $290). Flying from Knoxville to Allentown in December is currently the most expensive (average of $395). 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 July 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.

Reviews of airlines servicing Allentown

Get insights into the airlines that provide service to Allentown. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Allentown. Reviews last updated July 14, 2025.
See what other customers who have flown with Delta, United Airlines, and Allegiant Air from Knoxville to Allentown have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,956 reviews

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,956 reviews
Delta
8.0
Very good
7,956 reviews

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,858 reviews
Delta
8.0
Very good
7,956 reviews

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Allegiant Air
7.2
Good
705 reviews
Delta
8.0
Very good
7,956 reviews

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines flying from Knoxville to Allentown round-trip?

    Cheapflights users have booked flights from Knoxville to Allentown round-trip from $290. Other airlines that can offer you cheap pricing are United Airlines, from $552, and Delta, from $567. You may be able to fly from Knoxville to Allentown for 30% less than the average price by searching for these airlines.

  • 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 $290). Flying from Knoxville to Allentown in December is currently the most expensive (average of $395). 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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Top airline flying from Knoxville to Allentown

Discover the top airline that operate flights from Knoxville to Allentown. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$238Average$333FlexibilityNo cancel feeOn-time71%

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