$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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — ABE
Aug 23 — Aug 301
1 adult, Economy
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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
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 August 18, 2025.
Round-trip from | $387 (Delta) |
|---|---|
One-way from | $274 (United Airlines) |
Find flight deals from Knoxville to Allentown
Cheapest flights from Knoxville to AllentownExplore 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 August 18, 2025.
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 August 18, 2025.
This Mytrip deal was found by Cheapflights users on 8/17. 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 8/228:30 amTYS - ABE
1 stop14h 32mAllegiant Air
Tue 8/268:00 amABE - TYS
1 stop11h 24mAllegiant Air
Deal found 8/17![Allegiant Air logo]()
$340
This Delta deal was found by Cheapflights users on 8/17. 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 9/26:14 pmTYS - ABE
1 stop4h 25mDelta
Sun 9/76:14 pmABE - TYS
1 stop5h 34mDelta
Deal found 8/17![Delta logo]()
$387
This United Airlines deal was found by Cheapflights users on 8/17. 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 8/217:00 amTYS - ABE
1 stop4h 58mUnited Airlines
Tue 8/265:28 pmABE - TYS
1 stop5h 09mUnited Airlines
Deal found 8/17![United Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 8/221:22 pmTYS - ABE
2 stops29h 41mMultiple Airlines
Tue 8/268:00 amABE - TYS
1 stop11h 24mMultiple Airlines
Deal found 8/17![Multiple Airlines logo]()
$500
This Mytrip deal was found by Cheapflights users on 8/17. 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.
Thu 8/217:30 amTYS - ABE
2 stops15h 51mMultiple Airlines
Tue 8/268:00 amABE - TYS
1 stop11h 24mMultiple Airlines
Deal found 8/17![Multiple Airlines logo]()
$522
This United Airlines deal was found by Cheapflights users on 8/15. 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 8/3110:54 amTYS - ABE
1 stop5h 59mUnited Airlines
Thu 9/45:28 pmABE - TYS
1 stop5h 17mUnited Airlines
Deal found 8/15![United Airlines logo]()
$643
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/27:25 pmTYS - ABE
2 stops16h 33mUnited Airlines
Sun 9/75:28 pmABE - TYS
1 stop16h 45mUnited Airlines
Deal found 8/17![United Airlines logo]()
$666
This Delta deal was found by Cheapflights users on 8/16. 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 11/254:00 pmTYS - ABE
1 stop6h 52mDelta
Sun 11/306:30 amABE - TYS
1 stop4h 35mDelta
Deal found 8/16![Delta logo]()
$828
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 August 18, 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 9/2
6:14 pm-10:39 pm
1 stop4h 25m
Allentown-Bethlehem
Sun 9/7
6:14 pm-11:48 pm
1 stop5h 34m
$387
KnoxvilleAllentown
TYS - ABE
TYSABE
Knoxville McGhee Tyson
Sun 8/31
10:54 am-4:53 pm
1 stop5h 59m
Allentown-Bethlehem
Thu 9/4
5:28 pm-10:45 pm
1 stop5h 17m
$643
KnoxvilleAllentown
TYS - ABE
TYSABE
Knoxville McGhee Tyson
Tue 9/2
7:25 pm-11:58 am
2 stops16h 33m
Allentown-Bethlehem
Sun 9/7
5:28 pm-10:13 am
1 stop16h 45m
$666
KnoxvilleAllentown
TYS - ABE
TYSABE
Knoxville McGhee Tyson
Tue 11/25
4:00 pm-10:52 pm
1 stop6h 52m
Allentown-Bethlehem
Sun 11/30
6:30 am-11:05 am
1 stop4h 35m
$828
KnoxvilleAllentown
TYS - ABE
TYSABE
Knoxville McGhee Tyson
Mon 9/22
7:00 am-11:58 am
1 stop4h 58m
$274
KnoxvilleAllentown
TYS - ABE
TYSABE
Knoxville McGhee Tyson
Sun 10/19
3:48 pm-10:15 pm
1 stop6h 27m
$340
KnoxvilleAllentown
TYS - ABE
TYSABE
Knoxville McGhee Tyson
Sun 10/19
7:26 pm-9:54 pm
2 stops26h 28m
$1,068
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 $289). 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 August 18, 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.