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$206+ Cheap flights from Knoxville to Allentown (TYS - ABE)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — ABE
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 3, 2025.

Round-trip from

$206
(Mytrip)

Popular in

February

Cheapest in

November

Average price

$333
From Knoxville McGhee Tyson to Allentown-Bethlehem
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Highest demand for flights based on searches. 31% potential increase in price ($197 potential increase over avg. RT price).
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Cheapest flight prices on average. 16% potential price decrease ($61 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 3, 2025.

This Mytrip deal was found by Cheapflights users on 7/3. 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 9/268:00 amTYS - ABE
1 stop13h 52mAllegiant Air
Sun 9/286:30 amABE - TYS
1 stop15h 49mAllegiant Air
Deal found 7/3$206
This Mytrip deal was found by Cheapflights users on 7/2. 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.
Wed 8/134:15 pmTYS - ABE
2 stops28h 45mMultiple Airlines
Fri 8/156:30 amABE - TYS
1 stop14h 17mMultiple Airlines
Deal found 7/2$261
This Delta deal was found by Cheapflights users on 7/1. 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 8/25:30 amTYS - ABE
1 stop6h 45mDelta
Wed 8/612:55 pmABE - TYS
1 stop6h 06mDelta
Deal found 7/1$423
This United Airlines deal was found by Cheapflights users on 7/1. 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 7/1610:55 amTYS - ABE
1 stop6h 05mUnited Airlines
Sun 7/205:35 pmABE - TYS
1 stop5h 00mUnited Airlines
Deal found 7/1$963

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 3, 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 9/26

8:00 am-9:52 pm

1 stop13h 52m

Allentown-Bethlehem

Sun 9/28

6:30 am-10:19 pm

1 stop15h 49m

$206

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Wed 8/13

4:15 pm-9:00 pm

2 stops28h 45m

Allentown-Bethlehem

Fri 8/15

6:30 am-8:47 pm

1 stop14h 17m

$261

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Sat 8/2

5:30 am-12:15 pm

1 stop6h 45m

Allentown-Bethlehem

Wed 8/6

12:55 pm-7:01 pm

1 stop6h 06m

$423

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Wed 7/16

10:55 am-5:00 pm

1 stop6h 05m

Allentown-Bethlehem

Sun 7/20

5:35 pm-10:35 pm

1 stop5h 00m

$963

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Fri 9/26

6:08 pm-10:41 pm

1 stop4h 33m

$279

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Fri 9/26

4:40 pm-9:54 pm

3 stops29h 14m

$475

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Sun 10/5

6:00 am-1:20 pm

2 stops7h 20m

$744

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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 3, 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 3, 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
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

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
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

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
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

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
7.3
Good
708 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

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 $206. Other airlines that can offer you cheap pricing are Delta, from $423, and United Airlines, from $963. You may be able to fly from Knoxville to Allentown for 52% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Knoxville to Allentown one-way?

    The cheapest airlines for a one-way flight from Knoxville to Allentown are Delta ($279), United Airlines ($475), and American Airlines ($744).

  • 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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$238Average$333FlexibilityNo cancel feeOn-time71%

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