Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Knoxville to Allentown from $157

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 9/23. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Knoxville to Allentown

Cheap round-trip flights

Delta Logo
4:48 pm - 10:15 pmTYS-ABE
5h 27m1 stop
Delta Logo
6:00 pm - 11:22 pmABE-TYS
5h 22m1 stop
$249Delta
Find Deal
Fri, Oct 31 - Tue, Nov 4
Delta Logo
5:45 am - 12:04 pmTYS-ABE
6h 19m1 stop
Delta Logo
6:00 am - 10:56 amABE-TYS
4h 56m1 stop
$259Delta
Find Deal
Wed, Oct 1 - Sun, Oct 5
Delta Logo
10:05 am - 5:13 pmTYS-ABE
7h 08m1 stop
Delta Logo
5:40 pm - 11:44 pmABE-TYS
6h 04m1 stop
$279Delta
Find Deal
Wed, Feb 18 - Sat, Feb 21
Multiple Airlines Logo
3:21 pm - 11:24 amTYS-ABE
20h 03m2 stops
Multiple Airlines Logo
6:30 am - 9:56 amABE-TYS
27h 26m1 stop
$347Multiple Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 5
United Airlines Logo
10:51 am - 4:53 pmTYS-ABE
6h 02m1 stop
United Airlines Logo
5:28 pm - 10:50 pmABE-TYS
5h 22m1 stop
$369United Airlines
Find Deal
Tue, Sep 30 - Sat, Oct 4
Delta Logo
12:00 pm - 5:13 pmTYS-ABE
5h 13m1 stop
Delta Logo
6:30 am - 1:26 pmABE-TYS
6h 56m1 stop
$377Delta
Find Deal
Wed, Feb 18 - Sat, Feb 21
Delta Logo
7:11 am - 12:06 pmTYS-ABE
4h 55m1 stop
Delta Logo
6:00 pm - 11:46 pmABE-TYS
5h 46m1 stop
$579Delta
Find Deal
Tue, Oct 14 - Thu, Oct 16
United Airlines Logo
8:26 am - 11:48 amTYS-ABE
27h 22m1 stop
United Airlines Logo
5:22 pm - 2:43 pmABE-TYS
21h 21m2 stops
$627United Airlines
Find Deal
Fri, Oct 31 - Tue, Nov 4
Multiple Airlines Logo
3:11 pm - 8:24 pmTYS-ABE
5h 13m1 stop
Multiple Airlines Logo
7:30 am - 6:19 pmABE-TYS
34h 49m3 stops
$648Multiple Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 5
United Airlines Logo
5:45 am - 11:48 amTYS-ABE
30h 03m2 stops
United Airlines Logo
5:22 pm - 2:43 pmABE-TYS
21h 21m2 stops
$713United Airlines
Find Deal
Fri, Oct 31 - Tue, Nov 4

Delta flights from Knoxville to Allentown

Our best Delta deals on Knoxville to Allentown flight tickets
Delta
Oct 31
TYS4:48 pmKnoxville McGhee Tyson
5h 27m
1 stop
ABE10:15 pmAllentown-Bethlehem
Nov 4
ABE6:00 pmAllentown-Bethlehem
5h 22m
1 stop
TYS11:22 pmKnoxville McGhee Tyson
$249
Find similar
Delta
Oct 1
TYS5:45 amKnoxville McGhee Tyson
6h 19m
1 stop
ABE12:04 pmAllentown-Bethlehem
Oct 5
ABE6:00 amAllentown-Bethlehem
4h 56m
1 stop
TYS10:56 amKnoxville McGhee Tyson
$259
Find similar
Delta
Feb 18
TYS10:05 amKnoxville McGhee Tyson
7h 08m
1 stop
ABE5:13 pmAllentown-Bethlehem
Feb 21
ABE5:40 pmAllentown-Bethlehem
6h 04m
1 stop
TYS11:44 pmKnoxville McGhee Tyson
$279
Find similar

United Airlines flights from Knoxville to Allentown

Our best United Airlines deals on Knoxville to Allentown flight tickets
United Airlines
Sep 30
TYS10:51 amKnoxville McGhee Tyson
6h 02m
1 stop
ABE4:53 pmAllentown-Bethlehem
Oct 4
ABE5:28 pmAllentown-Bethlehem
5h 22m
1 stop
TYS10:50 pmKnoxville McGhee Tyson
$369
Find similar
United Airlines
Oct 31
TYS8:26 amKnoxville McGhee Tyson
27h 22m
1 stop
ABE11:48 amAllentown-Bethlehem
Nov 4
ABE5:22 pmAllentown-Bethlehem
21h 21m
2 stops
TYS2:43 pmKnoxville McGhee Tyson
$627
Find similar
United Airlines
Oct 31
TYS5:45 amKnoxville McGhee Tyson
30h 03m
2 stops
ABE11:48 amAllentown-Bethlehem
Nov 4
ABE5:22 pmAllentown-Bethlehem
21h 21m
2 stops
TYS2:43 pmKnoxville McGhee Tyson
$713
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 September 17, 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

Fri 10/31

4:48 pm-10:15 pm

1 stop5h 27m

Allentown-Bethlehem

Tue 11/4

6:00 pm-11:22 pm

1 stop5h 22m

$249

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Wed 10/1

5:45 am-12:04 pm

1 stop6h 19m

Allentown-Bethlehem

Sun 10/5

6:00 am-10:56 am

1 stop4h 56m

$259

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Wed 2/18

10:05 am-5:13 pm

1 stop7h 08m

Allentown-Bethlehem

Sat 2/21

5:40 pm-11:44 pm

1 stop6h 04m

$279

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Wed 10/1

3:21 pm-11:24 am

2 stops20h 03m

Allentown-Bethlehem

Sun 10/5

6:30 am-9:56 am

1 stop27h 26m

$347

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Tue 9/30

10:51 am-4:53 pm

1 stop6h 02m

Allentown-Bethlehem

Sat 10/4

5:28 pm-10:50 pm

1 stop5h 22m

$369

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Wed 2/18

12:00 pm-5:13 pm

1 stop5h 13m

Allentown-Bethlehem

Sat 2/21

6:30 am-1:26 pm

1 stop6h 56m

$377

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Tue 10/14

7:11 am-12:06 pm

1 stop4h 55m

Allentown-Bethlehem

Thu 10/16

6:00 pm-11:46 pm

1 stop5h 46m

$579

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Fri 10/31

8:26 am-11:48 am

1 stop27h 22m

Allentown-Bethlehem

Tue 11/4

5:22 pm-2:43 pm

2 stops21h 21m

$627

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Wed 10/1

3:11 pm-8:24 pm

1 stop5h 13m

Allentown-Bethlehem

Sun 10/5

7:30 am-6:19 pm

3 stops34h 49m

$648

KnoxvilleAllentown

TYS - ABE

TYSABE

Knoxville McGhee Tyson

Fri 10/31

5:45 am-11:48 am

2 stops30h 03m

Allentown-Bethlehem

Tue 11/4

5:22 pm-2:43 pm

2 stops21h 21m

$713

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

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

The cheapest day to depart from Knoxville to Allentown is on a Tuesday when prices can be found for as low as $210. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Allentown on Thursday is $428.

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

In the afternoon is the cheapest time of day to fly from Knoxville to Allentown when you can find flight prices for as low as $358. Flying to Allentown in the afternoon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $361.

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

Direct flights

None
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 4h 55m.

  • 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.

An easier way to manage your Allentown trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 10/17
Fri 10/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States