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Cheap flights from Knoxville to Allentown from $258

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Allentown departing on 2/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:45 am - 10:41 am
TYS
-
ABE
27h 56m1 stop
United Airlines Logo
4:57 pm - 8:52 pm
ABE
-
TYS
27h 55m1 stop
$552United Airlines
Thu, Jan 15 - Sun, Jan 18
United Airlines Logo
6:45 am - 10:41 am
TYS
-
ABE
27h 56m1 stop
United Airlines Logo
4:57 pm - 8:52 pm
ABE
-
TYS
27h 55m1 stop
$572United Airlines
Thu, Jan 15 - Sun, Jan 18
United Airlines Logo
6:45 am - 10:41 am
TYS
-
ABE
27h 56m1 stop
United Airlines Logo
11:30 am - 4:53 pm
ABE
-
TYS
5h 23m1 stop
$577United Airlines
Thu, Jan 15 - Sun, Jan 18
United Airlines Logo
2:25 pm - 10:41 am
TYS
-
ABE
20h 16m2 stops
United Airlines Logo
4:57 pm - 8:52 pm
ABE
-
TYS
27h 55m1 stop
$637United Airlines
Thu, Jan 15 - Sun, Jan 18
United Airlines Logo
7:20 pm - 10:41 am
TYS
-
ABE
15h 21m2 stops
United Airlines Logo
4:57 pm - 8:52 pm
ABE
-
TYS
27h 55m1 stop
$657United Airlines
Thu, Jan 15 - Sun, Jan 18
United Airlines Logo
9:30 am - 10:41 am
TYS
-
ABE
25h 11m2 stops
United Airlines Logo
11:30 am - 4:53 pm
ABE
-
TYS
5h 23m1 stop
$662United Airlines
Thu, Jan 15 - Sun, Jan 18
United Airlines Logo
2:25 pm - 10:41 am
TYS
-
ABE
20h 16m2 stops
United Airlines Logo
4:57 pm - 2:49 pm
ABE
-
TYS
21h 52m2 stops
$738United Airlines
Thu, Jan 15 - Sun, Jan 18
United Airlines Logo
7:20 pm - 10:41 am
TYS
-
ABE
15h 21m2 stops
United Airlines Logo
11:30 am - 2:49 pm
ABE
-
TYS
27h 19m2 stops
$757United Airlines
Thu, Jan 15 - Sun, Jan 18
United Airlines Logo
7:20 pm - 10:41 am
TYS
-
ABE
15h 21m2 stops
United Airlines Logo
11:30 am - 2:49 pm
ABE
-
TYS
27h 19m2 stops
$758United Airlines
Thu, Jan 15 - Sun, Jan 18

United Airlines flights from Knoxville to Allentown

Our best United Airlines deals on Knoxville to Allentown flight tickets
United Airlines
Jan 15
TYS6:45 amKnoxville McGhee Tyson
27h 56m
1 stop
ABE10:41 amAllentown-Bethlehem
Jan 18
ABE4:57 pmAllentown-Bethlehem
27h 55m
1 stop
TYS8:52 pmKnoxville McGhee Tyson
$552
Find similar
United Airlines
Jan 15
TYS6:45 amKnoxville McGhee Tyson
27h 56m
1 stop
ABE10:41 amAllentown-Bethlehem
Jan 18
ABE4:57 pmAllentown-Bethlehem
27h 55m
1 stop
TYS8:52 pmKnoxville McGhee Tyson
$572
Find similar
United Airlines
Jan 15
TYS6:45 amKnoxville McGhee Tyson
27h 56m
1 stop
ABE10:41 amAllentown-Bethlehem
Jan 18
ABE11:30 amAllentown-Bethlehem
5h 23m
1 stop
TYS4:53 pmKnoxville McGhee Tyson
$577
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 31, 2025.
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

Price

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Thu 1/15

6:45 am-10:41 am

1 stop27h 56m

Allentown-Bethlehem

Sun 1/18

4:57 pm-8:52 pm

1 stop27h 55m

$552

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Thu 1/15

6:45 am-10:41 am

1 stop27h 56m

Allentown-Bethlehem

Sun 1/18

4:57 pm-8:52 pm

1 stop27h 55m

$572

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Thu 1/15

6:45 am-10:41 am

1 stop27h 56m

Allentown-Bethlehem

Sun 1/18

11:30 am-4:53 pm

1 stop5h 23m

$577

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Thu 1/15

2:25 pm-10:41 am

2 stops20h 16m

Allentown-Bethlehem

Sun 1/18

4:57 pm-8:52 pm

1 stop27h 55m

$637

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Thu 1/15

7:20 pm-10:41 am

2 stops15h 21m

Allentown-Bethlehem

Sun 1/18

4:57 pm-8:52 pm

1 stop27h 55m

$657

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Thu 1/15

9:30 am-10:41 am

2 stops25h 11m

Allentown-Bethlehem

Sun 1/18

11:30 am-4:53 pm

1 stop5h 23m

$662

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Thu 1/15

2:25 pm-10:41 am

2 stops20h 16m

Allentown-Bethlehem

Sun 1/18

4:57 pm-2:49 pm

2 stops21h 52m

$738

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Thu 1/15

7:20 pm-10:41 am

2 stops15h 21m

Allentown-Bethlehem

Sun 1/18

11:30 am-2:49 pm

2 stops27h 19m

$757

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Thu 1/15

7:20 pm-10:41 am

2 stops15h 21m

Allentown-Bethlehem

Sun 1/18

11:30 am-2:49 pm

2 stops27h 19m

$758

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Fri 2/20

6:41 pm-10:49 pm

1 stop4h 08m

$258

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Allentown from

How to get the cheapest flight ticket from Knoxville to Allentown

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 airline that flies from Knoxville McGhee Tyson to Allentown-Bethlehem?

Delta is the most popular carrier operating from Knoxville McGhee Tyson to Allentown-Bethlehem

What airlines fly to Allentown?

American Airlines, Allegiant Air and Delta are the top three most popular airlines that fly to Allentown from Knoxville according to our data. American Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Allentown. Keep in mind that there are 5 different airlines that fly to Allentown on a routine basis, so you have a few additional options to choose from.

When to book flights from Knoxville to Allentown

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

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

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

Fastest flight time

27h 56m

Direct flights

None
The fastest flight from Knoxville to Allentown takes 27h 56m
There are no direct flights from Knoxville to Allentown. There are no popular flight routes from Knoxville to Allentown.
Search flight deals

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

    Knoxville McGhee Tyson and Allentown-Bethlehem are 558.6 mi apart from one another. By plane, this route typically takes 27h 56m.

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

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

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

  • What documentation or ID do you need to fly to Allentown-Bethlehem Airport?

    The necessary travel and health documents for your Allentown-Bethlehem 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.

Traveling to a place near Allentown?

Book flights to Allentown if you plan to visit one of these locations
Lehighton

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Allentown from Knoxville.

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

Yes. momondo enables you to select and highlight flights to Allentown from Knoxville with this policy.

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

momondo helps you find the best flight between Knoxville and Allentown by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Knoxville to Allentown flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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