$239 Cheap Flights from Knoxville (TYS) to Allentown (ABE)

View $239 flight on Wed, Dec 24, 2025Opens in a new window

Popular airlines from McGhee Tyson Airport (TYS) to Lehigh Valley Intl. Airport (ABE)

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Cheap Flights from Knoxville to Allentown (TYS-ABE)

Prices were available within the past 7 days and start at $239 for one-way flights and $282 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Sep 17 - Sat, Sep 20
TYS
Knoxville
ABE
Allentown
$282 Roundtrip, found 3 days ago
$282
Roundtrip
found 3 days ago
Select United flight, departing Wed, Sep 17 from Knoxville to Allentown, returning Sat, Sep 20, priced at $282 found 3 days ago
United
Wed, Sep 17 - Sun, Sep 21
TYS
Knoxville
ABE
Allentown
$287 Roundtrip, found 3 days ago
$287
Roundtrip
found 3 days ago
Select United flight, departing Wed, Sep 17 from Knoxville to Allentown, returning Sun, Sep 21, priced at $287 found 3 days ago
United
Thu, Aug 28 - Mon, Sep 1
TYS
Knoxville
ABE
Allentown
$309 Roundtrip, found 3 days ago
$309
Roundtrip
found 3 days ago
Select United flight, departing Thu, Aug 28 from Knoxville to Allentown, returning Mon, Sep 1, priced at $309 found 3 days ago
United
Tue, Jan 13 - Tue, Jan 27
TYS
Knoxville
ABE
Allentown
$319 Roundtrip, found 3 days ago
$319
Roundtrip
found 3 days ago
Select United flight, departing Tue, Jan 13 from Knoxville to Allentown, returning Tue, Jan 27, priced at $319 found 3 days ago
Delta
Tue, Nov 4 - Tue, Nov 11
TYS
Knoxville
ABE
Allentown
$347 Roundtrip, found 12 hours ago
$347
Roundtrip
found 12 hours ago
Select Delta flight, departing Tue, Nov 4 from Knoxville to Allentown, returning Tue, Nov 11, priced at $347 found 12 hours ago
United
Tue, Aug 26 - Tue, Sep 2
TYS
Knoxville
ABE
Allentown
$353 Roundtrip, found 3 days ago
$353
Roundtrip
found 3 days ago
Select United flight, departing Tue, Aug 26 from Knoxville to Allentown, returning Tue, Sep 2, priced at $353 found 3 days ago
United
Wed, Sep 17 - Sun, Sep 21
TYS
Knoxville
ABE
Allentown
$357 Roundtrip, found 3 days ago
$357
Roundtrip
found 3 days ago
Select United flight, departing Wed, Sep 17 from Knoxville to Allentown, returning Sun, Sep 21, priced at $357 found 3 days ago
United
Thu, Aug 28 - Mon, Sep 1
TYS
Knoxville
ABE
Allentown
$360 Roundtrip, found 3 days ago
$360
Roundtrip
found 3 days ago
Select United flight, departing Thu, Aug 28 from Knoxville to Allentown, returning Mon, Sep 1, priced at $360 found 3 days ago
United
Tue, Jan 20 - Tue, Feb 3
TYS
Knoxville
ABE
Allentown
$364 Roundtrip, found 3 days ago
$364
Roundtrip
found 3 days ago
Select United flight, departing Tue, Jan 20 from Knoxville to Allentown, returning Tue, Feb 3, priced at $364 found 3 days ago
American Airlines
Sat, Oct 18 - Sat, Oct 25
TYS
Knoxville
ABE
Allentown
$396 Roundtrip, found 6 days ago
$396
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Oct 18 from Knoxville to Allentown, returning Sat, Oct 25, priced at $396 found 6 days ago
Flights from Knoxville (TYS) to Allentown (ABE)
Origin airport
McGhee Tyson
Destination airport
Lehigh Valley Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$281
Distance
571 mi

Knoxville to Allentown Flights

The cheapest times to fly from Knoxville to Allentown

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Knoxville to Allentown are during the month of September. You can find some of the cheapest flights from Knoxville to Allentown with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Knoxville to Allentown

Sunday is one of the best days to book for cheap flights from Knoxville to Allentown: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Knoxville to Allentown

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Knoxville to Allentown in 2025. You can also book with separate airlines for your outbound and return journeys, from $239 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Knoxville to Allentown flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Knoxville to Allentown airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from McGhee Tyson Airport (TYS) to Lehigh Valley Intl. Airport (ABE) cost?
Grab a cheap one-way flight from $239 or cheap return flight from $282 from McGhee Tyson Airport (TYS) to Lehigh Valley Intl. Airport (ABE) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from McGhee Tyson Airport (TYS) to Lehigh Valley Intl. Airport (ABE)?
Traveling in September may help you find better deals, as it's the cheapest month for flights between TYS and ABE. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from McGhee Tyson Airport (TYS) to Lehigh Valley Intl. Airport (ABE)?
To find the cheapest airline flying from TYS to ABE, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from McGhee Tyson Airport (TYS) to Lehigh Valley Intl. Airport (ABE)?
You'll have to catch a flight with a layover when traveling from McGhee Tyson Airport (TYS) to Lehigh Valley Intl. Airport (ABE). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from TYS to ABE?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from McGhee Tyson Airport (TYS) to Lehigh Valley Intl. Airport (ABE)?
To avoid possible delays on the McGhee Tyson Airport (TYS) to Lehigh Valley Intl. Airport (ABE) route, fly before 3 PM. Departures after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Allentown from McGhee Tyson Airport (TYS)?
Philadelphia Intl. Airport (PHL) is the only airport in Allentown with direct flights from McGhee Tyson Airport (TYS). Compare your options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from McGhee Tyson Airport (TYS) to Lehigh Valley Intl. Airport (ABE) last-minute?
Waiting until just before your trip to book a ticket from TYS to ABE often results in higher prices. While you might find some last-minute discounts, they're not always guaranteed. Keep your travel schedule open for the best chance of getting a bargain.
Is it cheaper to book a TYS to ABE flight and hotel package?
Compared with arranging hotels and flights separately, booking a TYS to ABE flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one place takes the hassle out of travel planning. Simply pick your flights and choose from our extensive range of hotels, then customize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from McGhee Tyson Airport (TYS) to Lehigh Valley Intl. Airport (ABE)?
It's generally possible to reschedule or cancel your TYS to ABE flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.