$100 Cheap Flights from Chattanooga (CHA) to Allentown (ABE)

Popular airlines from Chattanooga Metropolitan Airport (CHA) to Lehigh Valley Intl. Airport (ABE)

Find available prices by choosing your travel dates.

Cheap Flights from Chattanooga to Allentown (CHA-ABE)

Prices were available within the past 7 days and start at $100 for one-way flights and $208 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
American Airlines
Delta
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
Delta
United
Flights from Chattanooga (CHA) to Allentown (ABE)
Origin airport
Chattanooga Metropolitan
Destination airport
Lehigh Valley Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$207
Distance
658 mi

Chattanooga to Allentown Flights

The cheapest times to fly from Chattanooga 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 Chattanooga to Allentown are during the month of May. You can find some of the cheapest flights from Chattanooga to Allentown with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Chattanooga to Allentown

Sunday is one of the best days to book for cheap flights from Chattanooga 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 Chattanooga 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 Chattanooga to Allentown in 2025. You can also book with separate airlines for your outbound and return journeys, from $100 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 Chattanooga 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 Chattanooga 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 Chattanooga Metropolitan Airport (CHA) to Lehigh Valley Intl. Airport (ABE) cost?
Discover the latest flight deals from CHA to ABE by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from CHA to ABE?
The cheapest flights from CHA to ABE are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from CHA to ABE?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from CHA to ABE. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Chattanooga Metropolitan Airport (CHA) to Lehigh Valley Intl. Airport (ABE)?
Direct flights from Chattanooga Metropolitan Airport (CHA) to Lehigh Valley Intl. Airport (ABE) aren’t available daily, so you’ll have to take a flight with a layover. Explore your options with Expedia’s filters. Enter your dates and choose either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from CHA to ABE?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on a range of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Chattanooga Metropolitan Airport (CHA) to Lehigh Valley Intl. Airport (ABE)?
To touch down at Lehigh Valley Intl. Airport (ABE) on schedule, select a flight that leaves Chattanooga Metropolitan Airport (CHA) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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.
Is it cheaper to buy a plane ticket from Chattanooga Metropolitan Airport (CHA) to Lehigh Valley Intl. Airport (ABE) last-minute?
Waiting until right before your break to book a ticket from CHA to ABE often results in higher prices. While you might find some last-minute discounts, they’re not always guaranteed. Be flexible with your itinerary for a better chance of snagging a bargain.
Is it cheaper to book a CHA to ABE flight and hotel package?
Compared with arranging flights and hotels separately, booking a CHA to ABE flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one convenient place will take the stress out of planning your trip. Simply secure your flights and select from our wide range of hotels, then personalize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Chattanooga Metropolitan Airport (CHA) to Lehigh Valley Intl. Airport (ABE)?
If you reserved your CHA to ABE flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

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*Available to One Key members.