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Cheap flights from Allentown to Knoxville from $120

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Allentown to Knoxville departing on 4/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Allentown to Knoxville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
6:21 pm - 12:53 pm
ABE
-
TYS
18h 32m
1 stop
Allegiant Air Logo
5:10 pm - 12:11 pm
TYS
-
ABE
19h 01m
1 stop
$286Allegiant Air
Sun, Apr 12 - Thu, Apr 16
Delta Logo
1:00 pm - 6:17 pm
ABE
-
TYS
5h 17m
1 stop
Delta Logo
4:00 pm - 10:56 pm
TYS
-
ABE
6h 56m
1 stop
$313Delta
Wed, Aug 19 - Sun, Aug 23
Allegiant Air Logo
6:28 pm - 9:40 am
ABE
-
TYS
15h 12m
1 stop
Allegiant Air Logo
5:10 pm - 12:11 pm
TYS
-
ABE
19h 01m
1 stop
$318Allegiant Air
Mon, Apr 13 - Thu, Apr 16
Allegiant Air Logo
8:09 pm - 12:53 pm
ABE
-
TYS
16h 44m
1 stop
Allegiant Air Logo
5:10 pm - 12:11 pm
TYS
-
ABE
19h 01m
1 stop
$319Allegiant Air
Thu, Apr 9 - Thu, Apr 16
Allegiant Air Logo
5:31 pm - 3:01 pm
ABE
-
TYS
21h 30m
1 stop
Allegiant Air Logo
5:10 pm - 12:11 pm
TYS
-
ABE
19h 01m
1 stop
$335Allegiant Air
Wed, Apr 8 - Thu, Apr 16
Allegiant Air Logo
6:21 pm - 12:53 pm
ABE
-
TYS
18h 32m
1 stop
Allegiant Air Logo
12:45 pm - 9:06 pm
TYS
-
ABE
8h 21m
1 stop
$337Allegiant Air
Sun, Apr 12 - Fri, Apr 17
United Airlines Logo
5:36 pm - 12:30 am
ABE
-
TYS
6h 54m
1 stop
United Airlines Logo
8:20 am - 1:48 pm
TYS
-
ABE
5h 28m
1 stop
$339United Airlines
Wed, May 27 - Sat, May 30
Allegiant Air Logo
6:21 pm - 12:53 pm
ABE
-
TYS
18h 32m
1 stop
Allegiant Air Logo
9:12 pm - 9:44 am
TYS
-
ABE
12h 32m
1 stop
$341Allegiant Air
Sun, Apr 12 - Sun, Apr 19
Allegiant Air Logo
8:30 am - 9:48 pm
ABE
-
TYS
13h 18m
1 stop
Allegiant Air Logo
5:10 pm - 12:11 pm
TYS
-
ABE
19h 01m
1 stop
$345Allegiant Air
Fri, Apr 10 - Thu, Apr 16
Allegiant Air Logo
9:00 am - 9:14 pm
ABE
-
TYS
12h 14m
1 stop
Allegiant Air Logo
8:20 am - 12:11 pm
TYS
-
ABE
27h 51m
1 stop
$348Allegiant Air
Thu, Apr 23 - Sun, Apr 26

Allegiant Air flights from Allentown to Knoxville

Our best Allegiant Air deals on Allentown to Knoxville flight tickets
Allegiant Air
Apr 12
ABE6:21 pmAllentown-Bethlehem
18h 32m
1 stop
TYS12:53 pmKnoxville McGhee Tyson
Apr 16
TYS5:10 pmKnoxville McGhee Tyson
19h 01m
1 stop
ABE12:11 pmAllentown-Bethlehem
$286
Allegiant Air
Apr 13
ABE6:28 pmAllentown-Bethlehem
15h 12m
1 stop
TYS9:40 amKnoxville McGhee Tyson
Apr 16
TYS5:10 pmKnoxville McGhee Tyson
19h 01m
1 stop
ABE12:11 pmAllentown-Bethlehem
$318
Allegiant Air
Apr 9
ABE8:09 pmAllentown-Bethlehem
16h 44m
1 stop
TYS12:53 pmKnoxville McGhee Tyson
Apr 16
TYS5:10 pmKnoxville McGhee Tyson
19h 01m
1 stop
ABE12:11 pmAllentown-Bethlehem
$319

Delta flights from Allentown to Knoxville

Our best Delta deals on Allentown to Knoxville flight tickets
Delta
Aug 20
ABE1:00 pmAllentown-Bethlehem
5h 17m
1 stop
TYS6:17 pmKnoxville McGhee Tyson
Aug 23
TYS4:00 pmKnoxville McGhee Tyson
6h 56m
1 stop
ABE10:56 pmAllentown-Bethlehem
$313
Delta
Apr 8
ABE5:58 pmAllentown-Bethlehem
5h 59m
1 stop
TYS11:57 pmKnoxville McGhee Tyson
Apr 18
TYS6:55 amKnoxville McGhee Tyson
5h 17m
1 stop
ABE12:12 pmAllentown-Bethlehem
$380
Delta
Apr 14
ABE5:59 pmAllentown-Bethlehem
5h 55m
1 stop
TYS11:54 pmKnoxville McGhee Tyson
Apr 18
TYS6:55 amKnoxville McGhee Tyson
5h 17m
1 stop
ABE12:12 pmAllentown-Bethlehem
$403

momondo 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, momondo users made 832,500 searches. Data last updated February 28, 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

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Sun 4/12

6:21 pm-12:53 pm

1 stop18h 32m

Knoxville McGhee Tyson

Thu 4/16

5:10 pm-12:11 pm

1 stop19h 01m

$286

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Wed 8/19

1:00 pm-6:17 pm

1 stop5h 17m

Knoxville McGhee Tyson

Sun 8/23

4:00 pm-10:56 pm

1 stop6h 56m

$313

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Mon 4/13

6:28 pm-9:40 am

1 stop15h 12m

Knoxville McGhee Tyson

Thu 4/16

5:10 pm-12:11 pm

1 stop19h 01m

$318

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Thu 4/9

8:09 pm-12:53 pm

1 stop16h 44m

Knoxville McGhee Tyson

Thu 4/16

5:10 pm-12:11 pm

1 stop19h 01m

$319

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Wed 4/8

5:31 pm-3:01 pm

1 stop21h 30m

Knoxville McGhee Tyson

Thu 4/16

5:10 pm-12:11 pm

1 stop19h 01m

$335

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Sun 4/12

6:21 pm-12:53 pm

1 stop18h 32m

Knoxville McGhee Tyson

Fri 4/17

12:45 pm-9:06 pm

1 stop8h 21m

$337

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Wed 5/27

5:36 pm-12:30 am

1 stop6h 54m

Knoxville McGhee Tyson

Sat 5/30

8:20 am-1:48 pm

1 stop5h 28m

$339

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Sun 4/12

6:21 pm-12:53 pm

1 stop18h 32m

Knoxville McGhee Tyson

Sun 4/19

9:12 pm-9:44 am

1 stop12h 32m

$341

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Fri 4/10

8:30 am-9:48 pm

1 stop13h 18m

Knoxville McGhee Tyson

Thu 4/16

5:10 pm-12:11 pm

1 stop19h 01m

$345

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Thu 4/23

9:00 am-9:14 pm

1 stop12h 14m

Knoxville McGhee Tyson

Sun 4/26

8:20 am-12:11 pm

1 stop27h 51m

$348

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Knoxville from

How to get the cheapest flight ticket from Allentown to Knoxville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Knoxville?

The month of June is, on average, the cheapest month to fly to Knoxville from Allentown, with most prices found around $289. If you aren’t able to travel during the month of June, then book flights to Knoxville from Allentown during October instead. Flights to Knoxville in October, while not as cheap as those in June, still average around $367.

What is the cheapest day to depart on your flight to Knoxville?

The cheapest day to depart from Allentown to Knoxville is on a Wednesday. Travelers who choose to depart for Knoxville on a Wednesday will often find tickets for as low as $272. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Allentown to Knoxville for around $497.

What is the cheapest time of day to depart on your flight to Knoxville?

In the morning is the cheapest time of day to fly from Allentown to Knoxville when you can find flight prices for as low as $282. Flying to Knoxville in the morning is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Knoxville is at noon when prices are around $380.

When to book flights from Allentown to Knoxville

Are you open to changing your travel dates? Check out the ideal times to fly from Allentown to Knoxville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Allentown to Knoxville (ABE to TYS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Allentown to Knoxville

Fastest flight time

4h 15m

Direct flights

None
The fastest flight from Allentown to Knoxville takes 4h 15m
There are no direct flights from Allentown to Knoxville. There are no popular flight routes from Allentown to Knoxville.
Search flight deals

  • How far is Allentown-Bethlehem to Knoxville McGhee Tyson by plane?

    A flight from Allentown-Bethlehem to Knoxville McGhee Tyson will travel around 558.6 mi. A reasonable flight in good conditions will take 4h 15m.

  • When did momondo last update prices for flights from Allentown-Bethlehem Airport to Knoxville McGhee Tyson Airport?

    Prices for flights from Allentown-Bethlehem Airport to Knoxville McGhee Tyson Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Allentown-Bethlehem Airport to Knoxville McGhee Tyson Airport?

  • How old do you have to be to fly from Allentown-Bethlehem Airport to Knoxville McGhee Tyson Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Allentown-Bethlehem Airport to Knoxville McGhee Tyson Airport.

  • What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?

    The necessary travel and health documents for your Knoxville McGhee Tyson Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Allentown to Knoxville?

Best airlines flying from Allentown to Knoxville

Compare and see reviews for airlines that fly from Allentown to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $95Free CancellationRating
7.2
715 reviews
Search Allegiant Air flights
DeltaPriceFrom $238Free CancellationRating
7.9
8,244 reviews
Search Delta flights
American AirlinesPriceFrom $381Free CancellationRating
7.1
11,367 reviews
Search American Airlines flights

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Pigeon Forge
Gatlinburg
Cherokee
Bryson City
Morristown
Corbin
Maryville
Alcoa
Crossville
Murphy
Oak Ridge
Lenoir City
Newport
Kodak
Dandridge
Jefferson City
Clinton
Rockford

Why use momondo?

Why should I use momondo to find a flight deal from Allentown to Knoxville?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Allentown to Knoxville. momondo saves you time and could save you money on your trip.

Can I find flights from Allentown to Knoxville with flexible booking policies on momondo?

Yes. All flights to Knoxville from Allentown on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Allentown to Knoxville?

Once all potential Allentown to Knoxville flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Allentown to Knoxville right now. Can momondo alert me if prices change?

Price alerts on flights to Knoxville from Allentown are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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