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Cheap flights from Allentown to Knoxville from $241

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 12/24. 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
6:45 am - 10:07 pm
ABE
-
TYS
15h 22m1 stop
Allegiant Air Logo
6:00 am - 9:26 pm
TYS
-
ABE
15h 26m1 stop
$255Allegiant Air
Mon, Jan 5 - Fri, Jan 9
Allegiant Air Logo
8:31 pm - 9:48 pm
ABE
-
TYS
25h 17m1 stop
Allegiant Air Logo
6:00 am - 9:26 pm
TYS
-
ABE
15h 26m1 stop
$263Allegiant Air
Sun, Jan 4 - Fri, Jan 9
Allegiant Air Logo
6:45 am - 10:07 pm
ABE
-
TYS
15h 22m1 stop
Allegiant Air Logo
6:18 pm - 11:27 am
TYS
-
ABE
17h 09m1 stop
$266Allegiant Air
Mon, Jan 5 - Mon, Jan 12
Allegiant Air Logo
1:21 pm - 3:03 pm
ABE
-
TYS
25h 42m1 stop
Allegiant Air Logo
6:00 am - 9:26 pm
TYS
-
ABE
15h 26m1 stop
$267Allegiant Air
Tue, Jan 6 - Fri, Jan 9
Delta Logo
5:59 pm - 11:45 pm
ABE
-
TYS
5h 46m1 stop
Delta Logo
5:40 am - 12:05 pm
TYS
-
ABE
6h 25m1 stop
$269Delta
Tue, Jan 6 - Sun, Jan 11
Allegiant Air Logo
6:45 am - 10:07 pm
ABE
-
TYS
15h 22m1 stop
Allegiant Air Logo
9:00 am - 9:52 pm
TYS
-
ABE
12h 52m1 stop
$273Allegiant Air
Mon, Jan 5 - Thu, Jan 8
Allegiant Air Logo
6:45 am - 10:07 pm
ABE
-
TYS
15h 22m1 stop
Allegiant Air Logo
8:30 am - 5:09 pm
TYS
-
ABE
8h 39m1 stop
$274Allegiant Air
Mon, Jan 5 - Sat, Jan 10
Allegiant Air Logo
8:31 pm - 9:48 pm
ABE
-
TYS
25h 17m1 stop
Allegiant Air Logo
8:30 am - 5:59 pm
TYS
-
ABE
9h 29m1 stop
$275Allegiant Air
Sun, Jan 4 - Thu, Jan 8
Allegiant Air Logo
8:31 pm - 10:32 am
ABE
-
TYS
14h 01m1 stop
Allegiant Air Logo
6:18 pm - 11:27 am
TYS
-
ABE
17h 09m1 stop
$280Allegiant Air
Sun, Jan 4 - Mon, Jan 12
Allegiant Air Logo
8:31 pm - 9:48 pm
ABE
-
TYS
25h 17m1 stop
Allegiant Air Logo
8:30 am - 5:09 pm
TYS
-
ABE
8h 39m1 stop
$283Allegiant Air
Sun, Jan 4 - Sat, Jan 10

Allegiant Air flights from Allentown to Knoxville

Our best Allegiant Air deals on Allentown to Knoxville flight tickets
Allegiant Air
Jan 5
ABE6:45 amAllentown-Bethlehem
15h 22m
1 stop
TYS10:07 pmKnoxville McGhee Tyson
Jan 9
TYS6:00 amKnoxville McGhee Tyson
15h 26m
1 stop
ABE9:26 pmAllentown-Bethlehem
$255
Find similar
Allegiant Air
Jan 4
ABE8:31 pmAllentown-Bethlehem
25h 17m
1 stop
TYS9:48 pmKnoxville McGhee Tyson
Jan 9
TYS6:00 amKnoxville McGhee Tyson
15h 26m
1 stop
ABE9:26 pmAllentown-Bethlehem
$263
Find similar
Allegiant Air
Jan 5
ABE6:45 amAllentown-Bethlehem
15h 22m
1 stop
TYS10:07 pmKnoxville McGhee Tyson
Jan 12
TYS6:18 pmKnoxville McGhee Tyson
17h 09m
1 stop
ABE11:27 amAllentown-Bethlehem
$266
Find similar

United Airlines flights from Allentown to Knoxville

Our best United Airlines deals on Allentown to Knoxville flight tickets
United Airlines
Dec 30
ABE6:17 amAllentown-Bethlehem
16h 22m
1 stop
TYS10:39 pmKnoxville McGhee Tyson
Jan 3
TYS6:45 amKnoxville McGhee Tyson
15h 02m
1 stop
ABE9:47 pmAllentown-Bethlehem
$671
Find similar
United Airlines
Dec 26
ABE6:17 amAllentown-Bethlehem
17h 42m
2 stops
TYS11:59 pmKnoxville McGhee Tyson
Dec 29
TYS7:23 pmKnoxville McGhee Tyson
18h 32m
2 stops
ABE1:55 pmAllentown-Bethlehem
$853
Find similar

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 December 17, 2025.
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

Mon 1/5

6:45 am-10:07 pm

1 stop15h 22m

Knoxville McGhee Tyson

Fri 1/9

6:00 am-9:26 pm

1 stop15h 26m

$255

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Sun 1/4

8:31 pm-9:48 pm

1 stop25h 17m

Knoxville McGhee Tyson

Fri 1/9

6:00 am-9:26 pm

1 stop15h 26m

$263

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Mon 1/5

6:45 am-10:07 pm

1 stop15h 22m

Knoxville McGhee Tyson

Mon 1/12

6:18 pm-11:27 am

1 stop17h 09m

$266

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Tue 1/6

1:21 pm-3:03 pm

1 stop25h 42m

Knoxville McGhee Tyson

Fri 1/9

6:00 am-9:26 pm

1 stop15h 26m

$267

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Tue 1/6

5:59 pm-11:45 pm

1 stop5h 46m

Knoxville McGhee Tyson

Sun 1/11

5:40 am-12:05 pm

1 stop6h 25m

$269

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Mon 1/5

6:45 am-10:07 pm

1 stop15h 22m

Knoxville McGhee Tyson

Thu 1/8

9:00 am-9:52 pm

1 stop12h 52m

$273

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Mon 1/5

6:45 am-10:07 pm

1 stop15h 22m

Knoxville McGhee Tyson

Sat 1/10

8:30 am-5:09 pm

1 stop8h 39m

$274

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Sun 1/4

8:31 pm-9:48 pm

1 stop25h 17m

Knoxville McGhee Tyson

Thu 1/8

8:30 am-5:59 pm

1 stop9h 29m

$275

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Sun 1/4

8:31 pm-10:32 am

1 stop14h 01m

Knoxville McGhee Tyson

Mon 1/12

6:18 pm-11:27 am

1 stop17h 09m

$280

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Sun 1/4

8:31 pm-9:48 pm

1 stop25h 17m

Knoxville McGhee Tyson

Sat 1/10

8:30 am-5:09 pm

1 stop8h 39m

$283

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 October is, on average, the cheapest month to fly to Knoxville from Allentown, with most prices found around $367. If you aren’t able to travel during the month of October, then book flights to Knoxville from Allentown during June instead. Flights to Knoxville in June, while not as cheap as those in October, still average around $374.

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 $262. 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 $429.

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 $284. 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 in the evening when prices are around $357.

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

5h 46m

Direct flights

None
The fastest flight from Allentown to Knoxville takes 5h 46m
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 5h 46m.

  • 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 $141Free CancellationRating
7.2
700 reviews
Search Allegiant Air flights
DeltaPriceFrom $278Free CancellationRating
7.9
8,008 reviews
Search Delta flights
American AirlinesPriceFrom $434Free CancellationRating
7.2
11,049 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
Crossville
Murphy
Alcoa
Oak Ridge
Newport
Lenoir City
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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