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Cheap flights from Allentown to Knoxville from $121

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 5/3. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Allentown to Knoxville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
6:00 am - 11:06 pm
ABE
-
TYS
17h 06m
1 stop
Allegiant Air Logo
2:19 pm - 1:56 pm
TYS
-
ABE
23h 37m
1 stop
$260Allegiant Air
Thu, May 28 - Wed, Jun 3
Allegiant Air Logo
8:49 pm - 9:57 am
ABE
-
TYS
13h 08m
1 stop
Allegiant Air Logo
9:00 am - 11:11 am
TYS
-
ABE
26h 11m
1 stop
$268Allegiant Air
Fri, Jul 10 - Wed, Jul 15
Multiple Airlines Logo
6:00 am - 11:06 pm
ABE
-
TYS
17h 06m
1 stop
Multiple Airlines Logo
1:02 pm - 11:07 pm
TYS
-
ABE
34h 05m
2 stops
$272Multiple Airlines
Thu, May 28 - Wed, Jun 3
Allegiant Air Logo
8:49 pm - 9:57 am
ABE
-
TYS
13h 08m
1 stop
Allegiant Air Logo
9:11 pm - 11:10 pm
TYS
-
ABE
25h 59m
1 stop
$280Allegiant Air
Fri, Jul 10 - Thu, Jul 16
Allegiant Air Logo
8:49 pm - 10:37 am
ABE
-
TYS
13h 48m
1 stop
Allegiant Air Logo
9:00 am - 11:11 am
TYS
-
ABE
26h 11m
1 stop
$286Allegiant Air
Mon, Jul 6 - Wed, Jul 15
Allegiant Air Logo
6:15 am - 12:29 pm
ABE
-
TYS
6h 14m
1 stop
Allegiant Air Logo
10:54 am - 9:37 pm
TYS
-
ABE
10h 43m
1 stop
$288Allegiant Air
Thu, Sep 10 - Sun, Sep 13
Allegiant Air Logo
8:49 pm - 10:37 am
ABE
-
TYS
13h 48m
1 stop
Allegiant Air Logo
10:05 pm - 9:28 am
TYS
-
ABE
11h 23m
1 stop
$291Allegiant Air
Mon, Jul 6 - Mon, Jul 13
Allegiant Air Logo
8:49 pm - 10:37 am
ABE
-
TYS
13h 48m
1 stop
Allegiant Air Logo
1:41 pm - 8:51 am
TYS
-
ABE
19h 10m
1 stop
$300Allegiant Air
Mon, Jul 6 - Fri, Jul 17
Allegiant Air Logo
8:49 pm - 9:57 am
ABE
-
TYS
13h 08m
1 stop
Allegiant Air Logo
4:20 pm - 1:41 pm
TYS
-
ABE
21h 21m
1 stop
$303Allegiant Air
Fri, Jul 10 - Tue, Jul 14
Multiple Airlines Logo
7:30 am - 12:53 pm
ABE
-
TYS
29h 23m
1 stop
Multiple Airlines Logo
4:25 pm - 2:56 pm
TYS
-
ABE
22h 31m
2 stops
$306Multiple Airlines
Thu, May 7 - Wed, May 13

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Allegiant Air flights from Allentown to Knoxville

Our best Allegiant Air deals on Allentown to Knoxville flight tickets
Allegiant Air
May 28
ABE6:00 amAllentown-Bethlehem
17h 06m
1 stop
TYS11:06 pmKnoxville McGhee Tyson
Jun 3
TYS2:19 pmKnoxville McGhee Tyson
23h 37m
1 stop
ABE1:56 pmAllentown-Bethlehem
$260
Allegiant Air
Jul 10
ABE8:49 pmAllentown-Bethlehem
13h 08m
1 stop
TYS9:57 amKnoxville McGhee Tyson
Jul 15
TYS9:00 amKnoxville McGhee Tyson
26h 11m
1 stop
ABE11:11 amAllentown-Bethlehem
$268
Allegiant Air
May 4
ABE6:30 amAllentown-Bethlehem
11h 00m
1 stop
TYS5:30 pmKnoxville McGhee Tyson
May 7
TYS9:40 pmKnoxville McGhee Tyson
22h 30m
1 stop
ABE8:10 pmAllentown-Bethlehem
$274

Delta flights from Allentown to Knoxville

Our best Delta deals on Allentown to Knoxville flight tickets
Delta
May 9
ABE6:15 pmAllentown-Bethlehem
5h 41m
1 stop
TYS11:56 pmKnoxville McGhee Tyson
May 13
TYS11:56 amKnoxville McGhee Tyson
5h 32m
1 stop
ABE5:28 pmAllentown-Bethlehem
$348
Delta
May 6
ABE5:59 pmAllentown-Bethlehem
5h 55m
1 stop
TYS11:54 pmKnoxville McGhee Tyson
May 10
TYS5:40 amKnoxville McGhee Tyson
6h 39m
1 stop
ABE12:19 pmAllentown-Bethlehem
$353
Delta
May 2
ABE12:53 pmAllentown-Bethlehem
6h 37m
1 stop
TYS7:30 pmKnoxville McGhee Tyson
May 6
TYS5:40 amKnoxville McGhee Tyson
6h 32m
1 stop
ABE12:12 pmAllentown-Bethlehem
$395

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 April 25, 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

Cheapest round-trip

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Thu 5/28

6:00 am-11:06 pm

1 stop17h 06m

Knoxville McGhee Tyson

Wed 6/3

2:19 pm-1:56 pm

1 stop23h 37m

$260

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Fri 7/10

8:49 pm-9:57 am

1 stop13h 08m

Knoxville McGhee Tyson

Wed 7/15

9:00 am-11:11 am

1 stop26h 11m

$268

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Thu 5/28

6:00 am-11:06 pm

1 stop17h 06m

Knoxville McGhee Tyson

Wed 6/3

1:02 pm-11:07 pm

2 stops34h 05m

$272

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Fri 7/10

8:49 pm-9:57 am

1 stop13h 08m

Knoxville McGhee Tyson

Thu 7/16

9:11 pm-11:10 pm

1 stop25h 59m

$280

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Mon 7/6

8:49 pm-10:37 am

1 stop13h 48m

Knoxville McGhee Tyson

Wed 7/15

9:00 am-11:11 am

1 stop26h 11m

$286
Quickest round-trip

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Thu 9/10

6:15 am-12:29 pm

1 stop6h 14m

Knoxville McGhee Tyson

Sun 9/13

10:54 am-9:37 pm

1 stop10h 43m

$288

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Mon 7/6

8:49 pm-10:37 am

1 stop13h 48m

Knoxville McGhee Tyson

Mon 7/13

10:05 pm-9:28 am

1 stop11h 23m

$291

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Mon 7/6

8:49 pm-10:37 am

1 stop13h 48m

Knoxville McGhee Tyson

Fri 7/17

1:41 pm-8:51 am

1 stop19h 10m

$300

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Fri 7/10

8:49 pm-9:57 am

1 stop13h 08m

Knoxville McGhee Tyson

Tue 7/14

4:20 pm-1:41 pm

1 stop21h 21m

$303

AllentownKnoxville

ABE - TYS

ABETYS

Allentown-Bethlehem

Thu 5/7

7:30 am-12:53 pm

1 stop29h 23m

Knoxville McGhee Tyson

Wed 5/13

4:25 pm-2:56 pm

2 stops22h 31m

$306

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 typical price of a round-trip flight between Allentown and Knoxville?

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 December instead. Flights to Knoxville in December, while not as cheap as those in October, still average around $378.

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 49m

Direct flights

None
The fastest flight from Allentown to Knoxville takes 4h 49m
There are no direct flights from Allentown to Knoxville. There are no popular flight routes from Allentown to Knoxville.
Search flight deals

Frequently asked questions about flying from Allentown to Knoxville

  • 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 49m.

  • 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
7.3
707 reviews
Search Allegiant Air flights
DeltaPriceFrom $278Free CancellationRating
7.9
8,455 reviews
Search Delta flights
American AirlinesPriceFrom $358Free CancellationRating
7.1
11,669 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
Clinton
Jefferson City
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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