HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Knoxville

$127+ Cheap flights from Allentown to Knoxville (ABE - TYS)

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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — TYS
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Allentown to Knoxville 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 Allentown to Knoxville

Cheapest flights from Allentown to Knoxville
Explore the most affordable flight options available from Allentown to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/10. 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 9/66:00 am
ABE
-
TYS
1 stop6h 29m
Allegiant Air
Sun 9/135:38 pm
TYS
-
ABE
1 stop26h 32m
Allegiant Air
Deal found 6/10$245
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 9/106:15 am
ABE
-
TYS
1 stop6h 14m
Allegiant Air
Sun 9/135:38 pm
TYS
-
ABE
1 stop26h 32m
Allegiant Air
Deal found 6/10$249
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 7/306:00 am
ABE
-
TYS
1 stop16h 24m
Allegiant Air
Sat 8/16:00 am
TYS
-
ABE
1 stop17h 36m
Allegiant Air
Deal found 6/9$267
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Sat 8/15:55 pm
ABE
-
TYS
1 stop24h 09m
Allegiant Air
Sat 8/85:25 pm
TYS
-
ABE
1 stop15h 26m
Allegiant Air
Deal found 6/10$282
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 7/68:49 pm
ABE
-
TYS
1 stop13h 48m
Allegiant Air
Mon 7/1310:05 pm
TYS
-
ABE
1 stop11h 23m
Allegiant Air
Deal found 6/8$290
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 10/16:10 am
ABE
-
TYS
1 stop7h 06m
Allegiant Air
Sun 10/45:54 pm
TYS
-
ABE
1 stop17h 14m
Allegiant Air
Deal found 6/8$300
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 7/196:00 am
ABE
-
TYS
1 stop17h 03m
Allegiant Air
Wed 7/229:00 am
TYS
-
ABE
1 stop26h 11m
Allegiant Air
Deal found 6/8$302
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
Wed 7/298:00 am
ABE
-
TYS
1 stop10h 25m
Allegiant Air
Sat 8/15:59 pm
TYS
-
ABE
1 stop5h 37m
Allegiant Air
Deal found 6/9$307
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 10/308:56 pm
ABE
-
TYS
1 stop18h 06m
Allegiant Air
Mon 11/212:54 pm
TYS
-
ABE
1 stop9h 34m
Allegiant Air
Deal found 6/8$323
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
Sat 10/313:37 pm
ABE
-
TYS
1 stop5h 13m
Allegiant Air
Mon 11/28:47 pm
TYS
-
ABE
1 stop17h 47m
Allegiant Air
Deal found 6/8$330
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 7/1410:18 am
ABE
-
TYS
1 stop5h 12m
Allegiant Air
Fri 7/178:30 am
TYS
-
ABE
1 stop12h 58m
Allegiant Air
Deal found 6/10$334

Find flight deals from Allentown to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Allentown (ABE) to Knoxville (TYS). 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 June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$245
(Kiwi.com)

One-way from

$127
(Kiwi.com)

Popular in

March

Cheapest in

October

Average price

$659
Provider with most accurate pricing for Allentown-Bethlehem-Knoxville McGhee Tyson flight deals.
Search Deals
Provider most trusted by Cheapflights users for Allentown-Bethlehem-Knoxville McGhee Tyson flights.
Search Deals
From Allentown-Bethlehem to Knoxville McGhee Tyson
Search Deals
One-way flight from Allentown-Bethlehem to Knoxville McGhee Tyson
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Allentown to Knoxville 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 June 11, 2026.
Use the filters below to find and compare flights from Allentown to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Thu 9/10

6:15 am-12:29 pm

1 stop6h 14m

Knoxville McGhee Tyson

Sun 9/13

5:38 pm-8:10 pm

1 stop26h 32m

$249

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Fri 7/3

8:49 pm-9:57 am

1 stop13h 08m

Knoxville McGhee Tyson

Mon 7/6

10:05 pm-9:28 am

1 stop11h 23m

$359

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Wed 10/7

10:00 am-10:41 pm

1 stop12h 41m

Knoxville McGhee Tyson

Wed 10/14

4:14 pm-2:16 pm

1 stop22h 02m

$369

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Thu 9/10

6:15 am-12:29 pm

1 stop6h 14m

Knoxville McGhee Tyson

Sun 9/13

5:44 pm-5:56 pm

2 stops24h 12m

$395

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Tue 6/23

6:05 pm-11:54 pm

1 stop5h 49m

Knoxville McGhee Tyson

Tue 6/30

5:40 am-12:27 pm

1 stop6h 47m

$456

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Fri 10/30

7:30 am-9:49 pm

2 stops14h 19m

Knoxville McGhee Tyson

Mon 11/2

12:54 pm-10:28 pm

1 stop9h 34m

$457
Quickest round-trip

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Fri 9/18

6:13 pm-11:50 pm

1 stop5h 37m

Knoxville McGhee Tyson

Sun 9/20

12:00 pm-5:21 pm

1 stop5h 21m

$693

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Fri 7/3

5:41 pm-9:43 am

1 stop16h 02m

Knoxville McGhee Tyson

Mon 7/6

7:19 pm-9:58 am

2 stops14h 39m

$741

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Sun 9/6

6:15 am-9:45 pm

2 stops15h 30m

Knoxville McGhee Tyson

Sun 9/13

5:45 am-9:39 am

2 stops27h 54m

$756

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Sun 7/12

6:15 am-8:48 pm

1 stop14h 33m

Knoxville McGhee Tyson

Tue 7/28

7:19 pm-9:58 am

2 stops14h 39m

$761

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Allentown to Knoxville

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 Allentown to Knoxville in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 Allentown-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Allentown-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Allentown-Knoxville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Allentown-Knoxville flights, Cheapflights users trust FlightHub the most. FlightHub 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 Allentown-Knoxville 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 Allentown to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Allentown 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 Allentown to Knoxville

What is the cheapest month to book a flight from Allentown to Knoxville?

Currently, October is the cheapest month in which you can book a flight from Allentown to Knoxville (average of $367). Flying from Allentown to Knoxville in March is currently the most expensive (average of $672). 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.

How much does it cost to fly round-trip from Allentown to Knoxville?

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. 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 Knoxville. Reviews last updated June 11, 2026.
See what other customers who have flown with Delta,Allegiant Air, andAmerican Airlines from Allentown to Knoxville have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,401 reviews

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,401 reviews
Delta
7.9
Good
8,401 reviews

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Allegiant Air
7.3
Good
704 reviews
Delta
7.9
Good
8,401 reviews

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,643 reviews
Delta
7.9
Good
8,401 reviews

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Allentown to Knoxville. 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 Allentown to Knoxville?

    Departing from Allentown to Knoxville will take you 5h 49m. The distance from Allentown to Knoxville is about 572 mi. This flight may include one or multiple stops.

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

    Our cheapest airline available from Allentown to Knoxville is Allegiant Air. Our recent data shows that you can find tickets from as low as $141 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $358 and $364 round-trip. Allegiant Air is currently priced 71% below the average price you’ll pay for this route.

  • Can I find deals for flights from Allentown to Knoxville that include hotel bookings?

    Yes. In addition to deals on Allentown to Knoxville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Allentown to Knoxville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Allentown to Knoxville.

  • Can I find deals for business class flights from Allentown to Knoxville?

    Yes. Cheapflights offers flight deals from Allentown to Knoxville 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 Allentown to Knoxville?

    Currently, October is the cheapest month in which you can book a flight from Allentown to Knoxville (average of $367). Flying from Allentown to Knoxville in March is currently the most expensive (average of $672). 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

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Cherokee
Crossville
Morristown
Bryson City
Murphy
Alcoa
Oak Ridge

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.

Alternative routes for Allentown to Knoxville

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Nashville flights
John F Kennedy Intl to Nashville flights
LaGuardia to Nashville flights
Philadelphia to Nashville flights
Reagan-National to Nashville flights
Dulles Intl to Nashville flights
LaGuardia to Knoxville flights
Newark to Memphis flights
John F Kennedy Intl to Knoxville flights
LaGuardia to Memphis flights
John F Kennedy Intl to Memphis flights
Dulles Intl to Knoxville flights
Reagan-National to Knoxville flights
Newark to Chattanooga flights
Pittsburgh to Nashville flights
Dulles Intl to Memphis flights
Reagan-National to Memphis flights
Newark to Knoxville flights
John F Kennedy Intl to Chattanooga flights
Philadelphia to Memphis flights
Philadelphia to Knoxville flights
LaGuardia to Chattanooga flights
Allentown to Nashville flights
Harrisburg to Nashville flights
Reagan-National to Chattanooga flights
Scranton to Nashville flights
Dulles Intl to Chattanooga flights
Pittsburgh to Memphis flights
Pittsburgh to Knoxville flights
Philadelphia to Chattanooga flights
Pittsburgh to Chattanooga flights
Harrisburg to Knoxville flights
LaGuardia to Blountville flights
John F Kennedy Intl to Blountville flights
State College to Nashville flights
Newark to Blountville flights
Harrisburg to Memphis flights
Allentown to Memphis flights
Philadelphia to Blountville flights
Elmira to Nashville flights
Harrisburg to Chattanooga flights
Erie to Nashville flights
State College to Knoxville flights
Williamsport to Nashville flights
Scranton to Knoxville flights
Scranton to Memphis flights
Allentown to Chattanooga flights

Top 3 airlines flying from Allentown to Knoxville

Discover the top 3 airlines that operate flights from Allentown to Knoxville. 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 June 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$141Average$304FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$358Average$557FlexibilityNo cancel feeOn-time71%
DeltaCheapest$364Average$636FlexibilityNo cancel feeOn-timeN/A

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.
Site
©2026 Cheapflights