$161+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — ABE
Sep 15 — Sep 221
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
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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
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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 August 16, 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 August 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 10/212:43 pm -
1 stop17h 50m
Fri 10/308:56 pm -
1 stop20h 32m
Deal found 8/13![Allegiant Air logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 10/212:43 pm -
1 stop17h 50m
Thu 10/296:10 am -
1 stop15h 23m
Deal found 8/13![Allegiant Air logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 10/212:43 pm -
1 stop17h 50m
Sun 11/17:00 am -
1 stop7h 50m
Deal found 8/13![Allegiant Air logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 10/212:43 pm -
1 stop17h 50m
Tue 11/33:24 pm -
1 stop22h 21m
Deal found 8/13![Allegiant Air logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 10/212:43 pm -
1 stop17h 50m
Mon 11/22:43 pm -
1 stop7h 01m
Deal found 8/13![Allegiant Air logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 10/238:40 pm -
1 stop18h 07m
Thu 10/296:10 am -
1 stop15h 23m
Deal found 8/13![Allegiant Air logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 10/212:43 pm -
1 stop17h 50m
Sat 10/313:37 pm -
1 stop5h 13m
Deal found 8/13![Allegiant Air logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 10/244:50 pm -
1 stop15h 43m
Fri 10/308:56 pm -
1 stop20h 32m
Deal found 8/13![Allegiant Air logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 10/238:40 pm -
1 stop18h 07m
Fri 10/308:56 pm -
1 stop18h 06m
Deal found 8/13![Allegiant Air logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 10/244:50 pm -
1 stop15h 43m
Thu 10/296:10 am -
1 stop15h 23m
Deal found 8/13![Allegiant Air logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 10/244:50 pm -
1 stop15h 43m
Sun 11/17:00 am -
1 stop7h 50m
Deal found 8/13![Allegiant Air logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 10/202:52 pm -
1 stop28h 42m
Sun 11/17:00 am -
1 stop7h 50m
Deal found 8/13![Allegiant Air logo]()
$281
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 August 16, 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 August 16, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/312:21 pm -
1 stop25h 24m
Fri 9/48:50 pm -
1 stop23h 03m
Deal found 8/16![Allegiant Air logo]()
$337
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.
Sat 9/1210:45 am -
1 stop6h 11m
Sat 9/195:36 pm -
1 stop5h 13m
Deal found 8/15![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 8/13. 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 10/204:11 pm -
1 stop6h 18m
Mon 11/21:00 pm -
1 stop5h 42m
Deal found 8/13![Delta logo]()
$427
This Delta deal was found by Cheapflights users on 8/14. 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 10/105:40 am -
1 stop6h 25m
Sun 10/186:03 pm -
1 stop5h 56m
Deal found 8/14![Delta logo]()
$467
This Delta deal was found by Cheapflights users on 8/13. 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 10/226:23 pm -
1 stop4h 06m
Sun 10/256:39 am -
1 stop4h 15m
Deal found 8/13![Delta logo]()
$467
This United Airlines deal was found by Cheapflights users on 8/13. 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 8/2810:40 am -
1 stop6h 16m
Tue 9/16:15 am -
1 stop7h 02m
Deal found 8/13![United Airlines logo]()
$533
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/34:03 pm -
1 stop6h 13m
Tue 10/66:39 am -
1 stop4h 15m
Deal found 8/15![Delta logo]()
$497
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Sat 10/2410:42 am -
1 stop6h 26m
Tue 11/35:36 pm -
2 stops17h 36m
Deal found 8/13![United Airlines logo]()
$568
This United Airlines deal was found by Cheapflights users on 8/12. 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 10/2710:45 am -
1 stop6h 15m
Thu 10/296:15 am -
2 stops16h 14m
Deal found 8/12![United Airlines logo]()
$661
This United Airlines deal was found by Cheapflights users on 8/12. 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 11/136:45 am -
1 stop26h 41m
Mon 11/165:36 pm -
2 stops21h 24m
Deal found 8/12![United Airlines logo]()
$726
Last-minute flights from Knoxville to AllentownDiscover last-minute flight deals from Knoxville to Allentown. Data last updated August 16, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Allentown. Data last updated August 16, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 8/286:27 pm -
1 stop15h 02m
Tue 9/110:00 am -
1 stop28h 56m
Deal found 8/13![Allegiant Air logo]()
$315
This United Airlines deal was found by Cheapflights users on 8/13. 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 8/2810:40 am -
1 stop6h 16m
Tue 9/16:15 am -
1 stop7h 02m
Deal found 8/13![United Airlines logo]()
$533
This United Airlines deal was found by Cheapflights users on 8/12. 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 8/306:02 pm -
1 stop15h 55m
Sat 9/510:32 am -
1 stop6h 26m
Deal found 8/12![United Airlines logo]()
$913
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/312:21 pm -
1 stop25h 24m
Fri 9/48:50 pm -
1 stop23h 03m
Deal found 8/16![Allegiant Air logo]()
$337
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:53 pm -
1 stop7h 07m
Fri 9/45:36 pm -
2 stops28h 09m
Deal found 8/16![United Airlines logo]()
$757
This United Airlines deal was found by Cheapflights users on 8/12. 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 8/311:53 pm -
1 stop7h 07m
Sat 9/510:32 am -
1 stop6h 26m
Deal found 8/12![United Airlines logo]()
$864
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.
Sat 9/1210:45 am -
1 stop6h 11m
Sat 9/195:36 pm -
1 stop5h 13m
Deal found 8/15![United Airlines logo]()
$399
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 August 16, 2026.
Search for one-way flight options from Knoxville to Allentown. Find affordable one-way fares based on user searches. Data last updated August 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/304:14 pm -
1 stop22h 07m
Deal found 8/14![Allegiant Air logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/3010:28 am -
2 stops22h 24m
Deal found 8/14![Multiple Airlines logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 8/238:00 am -
1 stop6h 15m
Deal found 8/11![Allegiant Air logo]()
$284
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/194:03 pm -
1 stop6h 13m
Deal found 8/15![Delta logo]()
$313
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:45 pm -
1 stop4h 31m
Deal found 8/15![Delta logo]()
$343
This Delta deal was found by Cheapflights users on 8/11. 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.
Sun 8/234:38 pm -
1 stop5h 45m
Deal found 8/11![Delta logo]()
$365
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.
Sat 9/125:45 am -
2 stops11h 11m
Deal found 8/15![United Airlines logo]()
$468
This United Airlines deal was found by Cheapflights users on 8/11. 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 8/235:45 am -
2 stops15h 15m
Deal found 8/11![United Airlines logo]()
$743
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Sun 8/238:00 am -
2 stops8h 32m
Deal found 8/11![American Airlines logo]()
$1,193
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 August 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $244 (Kiwi.com) |
One-way from | $161 (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 2,558,603 searches. Data last updated August 16, 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
Mon 8/31
2:21 pm-3:45 pm
1 stop25h 24m
Allentown-Bethlehem
Fri 9/4
8:50 pm-7:53 pm
1 stop23h 03m
$337
KnoxvilleAllentown
TYS Knoxville McGhee Tyson - ABE Allentown-Bethlehem
TYSABE
Knoxville McGhee Tyson
Sat 9/12
10:45 am-4:56 pm
1 stop6h 11m
Allentown-Bethlehem
Sat 9/19
5:36 pm-10:49 pm
1 stop5h 13m
$399
KnoxvilleAllentown
TYS Knoxville McGhee Tyson - ABE Allentown-Bethlehem
TYSABE
Knoxville McGhee Tyson
Tue 10/20
4:11 pm-10:29 pm
1 stop6h 18m
Allentown-Bethlehem
Mon 11/2
1:00 pm-6:42 pm
1 stop5h 42m
$427
KnoxvilleAllentown
TYS Knoxville McGhee Tyson - ABE Allentown-Bethlehem
TYSABE
Knoxville McGhee Tyson
Sat 10/10
5:40 am-12:05 pm
1 stop6h 25m
Allentown-Bethlehem
Sun 10/18
6:03 pm-11:59 pm
1 stop5h 56m
$467
Quickest round-trip
KnoxvilleAllentown
TYS Knoxville McGhee Tyson - ABE Allentown-Bethlehem
TYSABE
Knoxville McGhee Tyson
Thu 10/22
6:23 pm-10:29 pm
1 stop4h 06m
Allentown-Bethlehem
Sun 10/25
6:39 am-10:54 am
1 stop4h 15m
$467
KnoxvilleAllentown
TYS Knoxville McGhee Tyson - ABE Allentown-Bethlehem
TYSABE
Knoxville McGhee Tyson
Sat 10/3
4:03 pm-10:16 pm
1 stop6h 13m
Allentown-Bethlehem
Tue 10/6
6:39 am-10:54 am
1 stop4h 15m
$497
KnoxvilleAllentown
TYS Knoxville McGhee Tyson - ABE Allentown-Bethlehem
TYSABE
Knoxville McGhee Tyson
Fri 8/28
10:40 am-4:56 pm
1 stop6h 16m
Allentown-Bethlehem
Tue 9/1
6:15 am-1:17 pm
1 stop7h 02m
$533
KnoxvilleAllentown
TYS Knoxville McGhee Tyson - ABE Allentown-Bethlehem
TYSABE
Knoxville McGhee Tyson
Sat 10/24
10:42 am-5:08 pm
1 stop6h 26m
Allentown-Bethlehem
Tue 11/3
5:36 pm-11:12 am
2 stops17h 36m
$568
KnoxvilleAllentown
TYS Knoxville McGhee Tyson - ABE Allentown-Bethlehem
TYSABE
Knoxville McGhee Tyson
Tue 10/27
10:45 am-5:00 pm
1 stop6h 15m
Allentown-Bethlehem
Thu 10/29
6:15 am-10:29 pm
2 stops16h 14m
$661
KnoxvilleAllentown
TYS Knoxville McGhee Tyson - ABE Allentown-Bethlehem
TYSABE
Knoxville McGhee Tyson
Fri 11/13
6:45 am-9:26 am
1 stop26h 41m
Allentown-Bethlehem
Mon 11/16
5:36 pm-3:00 pm
2 stops21h 24m
$726
Showing 1-10 of 16 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 August.
| 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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