$236+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — ABE
Oct 1 — Oct 81
Round-trip
1 adult, Economy
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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
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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 September 1, 2026.
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 September 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 9/119:31 am -
1 stop10h 38m
Sun 9/136:15 am -
1 stop6h 14m
Deal found 8/30![Allegiant Air logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 10/29:16 am -
1 stop29h 31m
Tue 10/612:00 pm -
1 stop5h 50m
Deal found 8/30![Allegiant Air logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 9/135:38 pm -
1 stop26h 32m
Thu 9/176:15 am -
1 stop6h 14m
Deal found 8/29![Allegiant Air logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 10/27:00 am -
2 stops15h 28m
Tue 10/612:00 pm -
1 stop5h 50m
Deal found 8/30![Multiple Airlines logo]()
$442
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 9/119:31 am -
1 stop10h 38m
Mon 9/148:00 am -
1 stop5h 02m
Deal found 8/31![Allegiant Air logo]()
$443
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 9/188:20 am -
2 stops15h 03m
Sun 9/206:15 am -
1 stop6h 14m
Deal found 8/30![Multiple Airlines logo]()
$446
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 9/119:31 am -
1 stop10h 38m
Sun 9/139:55 pm -
2 stops22h 44m
Deal found 8/30![Multiple Airlines logo]()
$454
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 9/38:00 am -
1 stop12h 40m
Sat 9/52:14 pm -
1 stop21h 48m
Deal found 8/30![Allegiant Air logo]()
$456
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 9/119:31 am -
1 stop10h 38m
Mon 9/148:10 am -
2 stops12h 29m
Deal found 8/31![Multiple Airlines logo]()
$493
This American Airlines deal was found by Cheapflights users on 8/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:06 pm -
1 stop5h 16m
Sat 9/192:25 pm -
1 stop4h 27m
Deal found 8/31![American Airlines logo]()
$495
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 9/189:16 am -
1 stop10h 55m
Sun 9/206:15 am -
1 stop6h 14m
Deal found 8/30![Allegiant Air logo]()
$497
This Delta deal was found by Cheapflights users on 8/29. 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.
Thu 10/112:23 pm -
1 stop4h 56m
Sun 10/46:04 pm -
1 stop5h 51m
Deal found 8/29![Delta logo]()
$508
Best flights from Knoxville to AllentownDiscover 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 September 1, 2026.
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 September 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 9/188:20 am -
2 stops15h 03m
Sun 9/206:15 am -
1 stop6h 14m
Deal found 8/30![Multiple Airlines logo]()
$446
This Delta deal was found by Cheapflights users on 8/29. 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.
Thu 10/112:23 pm -
1 stop4h 56m
Sun 10/46:04 pm -
1 stop5h 51m
Deal found 8/29![Delta logo]()
$508
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:30 am -
1 stop14h 59m
Sun 11/295:20 pm -
1 stop24h 36m
Deal found 8/28![Allegiant Air logo]()
$581
This American Airlines deal was found by Cheapflights users on 8/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:06 pm -
1 stop5h 16m
Sun 9/2011:35 am -
1 stop4h 41m
Deal found 8/27![American Airlines logo]()
$589
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Tue 9/151:10 pm -
2 stops20h 29m
Sat 9/195:36 pm -
1 stop5h 13m
Deal found 8/31![United Airlines logo]()
$658
This United Airlines deal was found by Cheapflights users on 8/28. 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 10/2910:43 am -
1 stop6h 13m
Sun 11/16:15 am -
1 stop27h 38m
Deal found 8/28![United Airlines logo]()
$671
Last-minute flights from Knoxville to AllentownDiscover last-minute flight deals from Knoxville to Allentown. Data last updated September 1, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Allentown. Data last updated September 1, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 9/38:00 am -
1 stop12h 40m
Sat 9/52:14 pm -
1 stop21h 48m
Deal found 8/30![Allegiant Air logo]()
$456
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 9/119:31 am -
1 stop10h 38m
Sun 9/136:15 am -
1 stop6h 14m
Deal found 8/30![Allegiant Air logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 9/119:31 am -
1 stop10h 38m
Mon 9/148:00 am -
1 stop5h 02m
Deal found 8/31![Allegiant Air logo]()
$443
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 9/119:31 am -
1 stop10h 38m
Sun 9/139:55 pm -
2 stops22h 44m
Deal found 8/30![Multiple Airlines logo]()
$454
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 9/119:31 am -
1 stop10h 38m
Mon 9/148:10 am -
2 stops12h 29m
Deal found 8/31![Multiple Airlines logo]()
$493
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 9/135:38 pm -
1 stop26h 32m
Thu 9/176:15 am -
1 stop6h 14m
Deal found 8/29![Allegiant Air logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 9/137:00 am -
2 stops13h 25m
Thu 9/176:15 am -
1 stop6h 14m
Deal found 8/29![Multiple Airlines logo]()
$599
This American Airlines deal was found by Cheapflights users on 8/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:06 pm -
1 stop5h 16m
Sat 9/192:25 pm -
1 stop4h 27m
Deal found 8/31![American Airlines logo]()
$495
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Tue 9/156:00 pm -
1 stop15h 39m
Sat 9/195:36 pm -
1 stop5h 13m
Deal found 8/31![United Airlines logo]()
$608
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 9/188:20 am -
2 stops15h 03m
Sun 9/206:15 am -
1 stop6h 14m
Deal found 8/30![Multiple Airlines logo]()
$446
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 9/189:16 am -
1 stop10h 55m
Sun 9/206:15 am -
1 stop6h 14m
Deal found 8/30![Allegiant Air logo]()
$497
This American Airlines deal was found by Cheapflights users on 8/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:06 pm -
1 stop5h 16m
Sun 9/2011:35 am -
1 stop4h 41m
Deal found 8/27![American Airlines logo]()
$589
One-way flights from Knoxville to AllentownSearch for one-way flight options from Knoxville to Allentown. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
Search for one-way flight options from Knoxville to Allentown. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 9/1510:29 am -
3 stops51h 09m
Deal found 8/27![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 9/219:00 am -
1 stop11h 10m
Deal found 8/29![Allegiant Air logo]()
$312
This Delta deal was found by Cheapflights users on 8/27. 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 9/156:13 pm -
1 stop4h 03m
Deal found 8/27![Delta logo]()
$314
This Delta deal was found by Cheapflights users on 8/27. 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 9/85:45 pm -
1 stop4h 41m
Deal found 8/27![Delta logo]()
$450
This American Airlines deal was found by Cheapflights users on 8/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:06 pm -
1 stop5h 16m
Deal found 8/27![American Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 8/29. 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.
Mon 9/217:20 pm -
2 stops25h 40m
Deal found 8/29![United Airlines logo]()
$533
This United Airlines deal was found by Cheapflights users on 8/27. 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 9/159:45 am -
2 stops23h 54m
Deal found 8/27![United Airlines logo]()
$618
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 9/216:30 am -
3 stops17h 03m
Deal found 8/29![Multiple Airlines logo]()
$846
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 September 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $326 (Kiwi.com) |
One-way from | $236 (Kiwi.com) |
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 7,457,451 searches. Data last updated September 1, 2026.
Use the filters below to find and compare flights from Knoxville to Allentown that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KnoxvilleAllentown
TYS Knoxville McGhee Tyson - ABE Allentown-Bethlehem
TYSABE
Knoxville McGhee Tyson
Fri 9/18
8:20 am-11:23 pm
2 stops15h 03m
Allentown-Bethlehem
Sun 9/20
6:15 am-12:29 pm
1 stop6h 14m
$446
KnoxvilleAllentown
TYS Knoxville McGhee Tyson - ABE Allentown-Bethlehem
TYSABE
Knoxville McGhee Tyson
Thu 10/1
12:23 pm-5:19 pm
1 stop4h 56m
Allentown-Bethlehem
Sun 10/4
6:04 pm-11:55 pm
1 stop5h 51m
$508
KnoxvilleAllentown
TYS Knoxville McGhee Tyson - ABE Allentown-Bethlehem
TYSABE
Knoxville McGhee Tyson
Wed 11/25
6:30 am-9:29 pm
1 stop14h 59m
Allentown-Bethlehem
Sun 11/29
5:20 pm-5:56 pm
1 stop24h 36m
$581
Quickest round-trip
KnoxvilleAllentown
TYS Knoxville McGhee Tyson - ABE Allentown-Bethlehem
TYSABE
Knoxville McGhee Tyson
Fri 9/18
6:06 pm-11:22 pm
1 stop5h 16m
Allentown-Bethlehem
Sun 9/20
11:35 am-4:16 pm
1 stop4h 41m
$589
KnoxvilleAllentown
TYS Knoxville McGhee Tyson - ABE Allentown-Bethlehem
TYSABE
Knoxville McGhee Tyson
Tue 9/15
1:10 pm-9:39 am
2 stops20h 29m
Allentown-Bethlehem
Sat 9/19
5:36 pm-10:49 pm
1 stop5h 13m
$658
KnoxvilleAllentown
TYS Knoxville McGhee Tyson - ABE Allentown-Bethlehem
TYSABE
Knoxville McGhee Tyson
Thu 10/29
10:43 am-4:56 pm
1 stop6h 13m
Allentown-Bethlehem
Sun 11/1
6:15 am-9:53 am
1 stop27h 38m
$671
Cheapest one-way
KnoxvilleAllentown
TYS Knoxville McGhee Tyson - ABE Allentown-Bethlehem
TYSABE
Knoxville McGhee Tyson
Mon 9/21
9:00 am-8:10 pm
1 stop11h 10m
$312
Quickest one-way
KnoxvilleAllentown
TYS Knoxville McGhee Tyson - ABE Allentown-Bethlehem
TYSABE
Knoxville McGhee Tyson
Tue 9/15
6:13 pm-10:16 pm
1 stop4h 03m
$314
KnoxvilleAllentown
TYS Knoxville McGhee Tyson - ABE Allentown-Bethlehem
TYSABE
Knoxville McGhee Tyson
Tue 9/8
5:45 pm-10:26 pm
1 stop4h 41m
$450
KnoxvilleAllentown
TYS Knoxville McGhee Tyson - ABE Allentown-Bethlehem
TYSABE
Knoxville McGhee Tyson
Mon 9/21
7:20 pm-9:00 pm
2 stops25h 40m
$533
Showing 1-10 of 13 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Knoxville-Allentown flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Allentown flight deals on Cheapflights vs. FlightHub >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 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 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.
TYS-ABE
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.
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.
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