HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Allentown

$249+ 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — ABE
Jan 30 — Feb 61
Fri 1/30
Fri 2/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Knoxville to Allentown with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 31, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/31. 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.
Fri 1/235:40 pmTYS - ABE
1 stop20h 56mAllegiant Air
Thu 1/297:00 amABE - TYS
1 stop11h 36mAllegiant Air
Deal found 12/31$257
This Delta deal was found by Cheapflights users on 12/31. 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.
Fri 1/237:30 amTYS - ABE
2 stops9h 44mDelta
Thu 1/295:59 pmABE - TYS
1 stop5h 46mDelta
Deal found 12/31$484
This United Airlines deal was found by Cheapflights users on 12/28. 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.
Thu 1/156:45 amTYS - ABE
1 stop27h 56mUnited Airlines
Sun 1/184:57 pmABE - TYS
1 stop27h 55mUnited Airlines
Deal found 12/28$552
This United Airlines deal was found by Cheapflights users on 12/31. 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.
Fri 1/234:55 pmTYS - ABE
2 stops28h 10mUnited Airlines
Thu 1/294:57 pmABE - TYS
2 stops30h 47mUnited Airlines
Deal found 12/31$687

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 31, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$257
(Kiwi.com)

One-way from

$249
(Delta)

Popular in

February

Cheapest in

August

Average price

$561
Provider with most accurate pricing for Knoxville McGhee Tyson-Allentown-Bethlehem flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Allentown-Bethlehem flights.
Search Deals
From Knoxville McGhee Tyson to Allentown-Bethlehem
Search Deals
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).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 31, 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 1/23

5:40 pm-2:36 pm

1 stop20h 56m

Allentown-Bethlehem

Thu 1/29

7:00 am-6:36 pm

1 stop11h 36m

$257

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Fri 1/23

7:30 am-5:14 pm

2 stops9h 44m

Allentown-Bethlehem

Thu 1/29

5:59 pm-11:45 pm

1 stop5h 46m

$484

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Thu 1/15

6:45 am-10:41 am

1 stop27h 56m

Allentown-Bethlehem

Sun 1/18

4:57 pm-8:52 pm

1 stop27h 55m

$552

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Fri 1/23

4:55 pm-9:05 pm

2 stops28h 10m

Allentown-Bethlehem

Thu 1/29

4:57 pm-11:44 pm

2 stops30h 47m

$687

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Fri 1/23

11:58 am-5:14 pm

1 stop5h 16m

$249

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Fri 2/20

6:41 pm-10:49 pm

1 stop4h 08m

$258

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Mon 1/5

6:09 pm-10:10 pm

1 stop4h 01m

$340

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/31

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.

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 9h 44m. Allegiant Air provides one of the quickest options available for as low as $484. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Other flights to Allentown

Explore flights to Allentown departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on December 31, 2025.
Nashville to Allentown flights
Melbourne to Allentown flights
Orlando to Allentown flights
Myrtle Beach to Allentown flights
Fort Lauderdale to Allentown flights
Orlando Sanford Intl to Allentown flights
Allentown to Fort Lauderdale flights
Allentown to Fort Myers flights
Allentown to Orlando Sanford Intl Airport flights
Allentown to Tampa flights
Allentown to Nashville flights
Allentown to Orlando Airport flights
Allentown to Philadelphia flights
Allentown to Punta Gorda flights
Allentown to Melbourne, Florida flights
Allentown to Nashville flights
Allentown to Fort Myers flights
Allentown to Fort Lauderdale flights
Allentown to Myrtle Beach flights
Allentown to Sarasota flights
Allentown to Punta Gorda flights
Allentown to Tampa flights
Allentown to Sarasota flights
Allentown to Orlando Sanford Intl Airport flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.