$117+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — ABE
Sep 9 — Sep 161
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 August 10, 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 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 10/87:36 pm -
1 stop12h 55m
Mon 10/126:00 am -
1 stop15h 44m
Deal found 8/8![Allegiant Air logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Fri 9/119:31 am -
1 stop10h 38m
Sun 9/136:15 am -
1 stop6h 14m
Deal found 8/9![Allegiant Air logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Fri 9/119:31 am -
1 stop10h 38m
Sun 9/139:55 pm -
2 stops22h 44m
Deal found 8/9![Multiple Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 9/110:30 am -
1 stop5h 15m
Mon 9/74:58 pm -
1 stop21h 33m
Deal found 8/7![Allegiant Air logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Mon 8/179:08 pm -
1 stop12h 21m
Sat 8/222:19 pm -
1 stop5h 43m
Deal found 8/10![Allegiant Air logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 10/87:36 pm -
1 stop12h 55m
Mon 10/124:32 pm -
2 stops21h 30m
Deal found 8/8![Multiple Airlines logo]()
$470
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Wed 8/129:00 am -
1 stop23h 51m
Fri 8/148:00 am -
1 stop26h 20m
Deal found 8/10![Allegiant Air logo]()
$554
This American Airlines deal was found by Cheapflights users on 8/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/98:11 pm -
1 stop4h 19m
Sat 8/154:57 pm -
1 stop4h 01m
Deal found 8/8![American Airlines logo]()
$562
This American Airlines deal was found by Cheapflights users on 8/5. 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 10/208:21 am -
1 stop3h 57m
Fri 10/235:14 pm -
1 stop6h 41m
Deal found 8/5![American Airlines logo]()
$621
This United Airlines deal was found by Cheapflights users on 8/8. 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 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 17m
Mon 11/25:36 pm -
1 stop27h 18m
Deal found 8/8![United Airlines logo]()
$623
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 10, 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 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 10/89:28 pm -
1 stop22h 48m
Mon 10/123:13 pm -
1 stop6h 31m
Deal found 8/5![Allegiant Air logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Fri 9/119:31 am -
1 stop10h 38m
Sun 9/139:55 pm -
2 stops22h 44m
Deal found 8/9![Multiple Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Fri 9/119:31 am -
1 stop10h 38m
Sun 9/136:15 am -
1 stop6h 14m
Deal found 8/9![Allegiant Air logo]()
$278
This United Airlines deal was found by Cheapflights users on 8/8. 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 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 17m
Mon 11/25:36 pm -
1 stop27h 18m
Deal found 8/8![United Airlines logo]()
$623
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 10/87:36 pm -
1 stop12h 55m
Mon 10/124:32 pm -
2 stops21h 30m
Deal found 8/8![Multiple Airlines logo]()
$470
This United Airlines deal was found by Cheapflights users on 8/7. 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 9/11:00 pm -
2 stops20h 57m
Mon 9/710:32 am -
1 stop6h 26m
Deal found 8/7![United Airlines logo]()
$688
This United Airlines deal was found by Cheapflights users on 8/5. 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 10/2010:42 am -
1 stop22h 53m
Fri 10/235:46 pm -
2 stops24h 19m
Deal found 8/5![United Airlines logo]()
$722
This United Airlines deal was found by Cheapflights users on 8/5. 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 9/241:35 pm -
2 stops20h 00m
Sun 9/276:20 am -
1 stop14h 29m
Deal found 8/5![United Airlines logo]()
$746
Last-minute flights from Knoxville to AllentownDiscover last-minute flight deals from Knoxville to Allentown. Data last updated August 10, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Allentown. Data last updated August 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Wed 8/129:00 am -
1 stop23h 51m
Fri 8/148:00 am -
1 stop26h 20m
Deal found 8/10![Allegiant Air logo]()
$554
This Delta deal was found by Cheapflights users on 8/7. 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.
Wed 8/126:12 pm -
1 stop4h 11m
Sun 8/166:08 pm -
1 stop5h 44m
Deal found 8/7![Delta logo]()
$862
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Mon 8/179:08 pm -
1 stop12h 21m
Sat 8/222:19 pm -
1 stop5h 43m
Deal found 8/10![Allegiant Air logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Mon 8/176:30 am -
2 stops16h 44m
Sat 8/222:19 pm -
1 stop5h 43m
Deal found 8/10![Multiple Airlines logo]()
$653
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 9/110:30 am -
1 stop5h 15m
Mon 9/74:58 pm -
1 stop21h 33m
Deal found 8/7![Allegiant Air logo]()
$384
This United Airlines deal was found by Cheapflights users on 8/7. 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 9/11:00 pm -
2 stops20h 57m
Mon 9/710:32 am -
1 stop6h 26m
Deal found 8/7![United Airlines logo]()
$688
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Fri 9/119:31 am -
1 stop10h 38m
Sun 9/136:15 am -
1 stop6h 14m
Deal found 8/9![Allegiant Air logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Fri 9/119:31 am -
1 stop10h 38m
Sun 9/139:55 pm -
2 stops22h 44m
Deal found 8/9![Multiple Airlines logo]()
$338
This United Airlines deal was found by Cheapflights users on 8/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:34 pm -
2 stops27h 22m
Sun 9/136:01 pm -
2 stops20h 36m
Deal found 8/9![United Airlines logo]()
$796
This United Airlines deal was found by Cheapflights users on 8/5. 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 9/246:00 am -
1 stop27h 35m
Sun 9/276:20 am -
1 stop27h 25m
Deal found 8/5![United Airlines logo]()
$677
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 10, 2026.
Search for one-way flight options from Knoxville to Allentown. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Sat 9/196:55 pm -
1 stop26h 42m
Deal found 8/9![Allegiant Air logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 9/219:00 am -
1 stop11h 10m
Deal found 8/8![Allegiant Air logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Sat 9/193:56 pm -
3 stops28h 29m
Deal found 8/9![Multiple Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 8/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:30 am -
1 stop4h 58m
Deal found 8/9![Delta logo]()
$365
This Delta deal was found by Cheapflights users on 8/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:40 am -
1 stop6h 48m
Deal found 8/9![Delta logo]()
$510
This United Airlines deal was found by Cheapflights users on 8/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:00 am -
1 stop15h 00m
Deal found 8/9![United Airlines logo]()
$512
This United Airlines deal was found by Cheapflights users on 8/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:45 am -
2 stops28h 12m
Deal found 8/8![United Airlines logo]()
$548
This United Airlines deal was found by Cheapflights users on 8/6. 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 8/217:20 pm -
2 stops14h 37m
Deal found 8/6![United Airlines logo]()
$598
This American Airlines deal was found by Cheapflights users on 8/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1511:15 am -
2 stops12h 10m
Deal found 8/9![American Airlines logo]()
$678
This United Airlines deal was found by Cheapflights users on 8/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:45 am -
3 stops11h 11m
Deal found 8/9![United Airlines logo]()
$727
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 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $260 (Kiwi.com) |
One-way from | $117 (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 10, 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
Thu 10/8
9:28 pm-8:16 pm
1 stop22h 48m
Allentown-Bethlehem
Mon 10/12
3:13 pm-9:44 pm
1 stop6h 31m
$271
Quickest round-trip
KnoxvilleAllentown
TYS Knoxville McGhee Tyson - ABE Allentown-Bethlehem
TYSABE
Knoxville McGhee Tyson
Fri 9/11
9:31 am-8:09 pm
1 stop10h 38m
Allentown-Bethlehem
Sun 9/13
6:15 am-12:29 pm
1 stop6h 14m
$278
KnoxvilleAllentown
TYS Knoxville McGhee Tyson - ABE Allentown-Bethlehem
TYSABE
Knoxville McGhee Tyson
Fri 9/11
9:31 am-8:09 pm
1 stop10h 38m
Allentown-Bethlehem
Sun 9/13
9:55 pm-8:39 pm
2 stops22h 44m
$338
KnoxvilleAllentown
TYS Knoxville McGhee Tyson - ABE Allentown-Bethlehem
TYSABE
Knoxville McGhee Tyson
Thu 10/8
7:36 pm-8:31 am
1 stop12h 55m
Allentown-Bethlehem
Mon 10/12
4:32 pm-2:02 pm
2 stops21h 30m
$470
KnoxvilleAllentown
TYS Knoxville McGhee Tyson - ABE Allentown-Bethlehem
TYSABE
Knoxville McGhee Tyson
Thu 10/29
10:43 am-5:00 pm
1 stop6h 17m
Allentown-Bethlehem
Mon 11/2
5:36 pm-8:54 pm
1 stop27h 18m
$623
KnoxvilleAllentown
TYS Knoxville McGhee Tyson - ABE Allentown-Bethlehem
TYSABE
Knoxville McGhee Tyson
Tue 9/1
1:00 pm-9:57 am
2 stops20h 57m
Allentown-Bethlehem
Mon 9/7
10:32 am-4:58 pm
1 stop6h 26m
$688
KnoxvilleAllentown
TYS Knoxville McGhee Tyson - ABE Allentown-Bethlehem
TYSABE
Knoxville McGhee Tyson
Tue 10/20
10:42 am-9:35 am
1 stop22h 53m
Allentown-Bethlehem
Fri 10/23
5:46 pm-6:05 pm
2 stops24h 19m
$722
KnoxvilleAllentown
TYS Knoxville McGhee Tyson - ABE Allentown-Bethlehem
TYSABE
Knoxville McGhee Tyson
Thu 9/24
1:35 pm-9:35 am
2 stops20h 00m
Allentown-Bethlehem
Sun 9/27
6:20 am-8:49 pm
1 stop14h 29m
$746
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
$279
KnoxvilleAllentown
TYS Knoxville McGhee Tyson - ABE Allentown-Bethlehem
TYSABE
Knoxville McGhee Tyson
Sat 8/15
7:30 am-12:28 pm
1 stop4h 58m
$365
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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