$92 Cheap Flights from Denver (DEN) to Allentown (ABE)

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Find available prices by choosing your travel dates.

Cheap Flights from Denver to Allentown (DEN-ABE)

Prices were available within the past 7 days and start at $92 for one-way flights and $196 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
Delta
Delta
American Airlines
United
Flights from Denver (DEN) to Allentown (ABE)
Origin airport
Denver Intl.
Destination airport
Lehigh Valley Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$196
Distance
1535 mi

Denver to Allentown Flights

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

 

The best time to book a flight from Denver to Allentown

Sunday is one of the best days to book for cheap flights from Denver 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 Denver 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 Denver to Allentown in 2025. You can also book with separate airlines for your outbound and return journeys, from $92 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 Denver 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 Denver 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

Is it cheaper to buy a plane ticket from DEN to Lehigh Valley International Airport last minute?
Being a spontaneous soul is a fantastic way to discover the world, but it’s not always the ideal way to track down a bargain plane ticket. Consider booking your Denver Airport to Lehigh Valley International Airport trip ahead of time rather than waiting till the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Save up that spontaneity for when you get to your destination!
What airports do you fly into for Allentown from Denver?
With Lehigh Valley Intl. Airport (ABE), Scranton Intl. Airport (AVP) and Philadelphia Intl. Airport (PHL) to choose from, getting from Denver to Allentown is simple. The city’s key hub, Lehigh Valley Intl. Airport (ABE), is roughly 4 mi northeast of the downtown area. Along with the price of tickets, consider things like bus or train options from the airport and the distance to your hotel when deciding where to fly into. Get your Allentown adventure off to a superb start by exploring Dorney Park & Wildwater Kingdom and Lehigh University.
Can I change the date of my flight from Denver Intl. Airport (DEN) to Lehigh Valley International Airport?
We know plans can change, so Expedia is here to help make amending your flight as easy as possible. To start, find your DIA airport to Lehigh Valley International Airport itinerary through the Expedia Trips portal and browse the ticket rules to see if you can make changes. If you booked your plane ticket in the last 24 hours, some airlines allow you to cancel at no cost and book new flights. If you bought your fare more than 24 hours ago, contact us via our Customer Service portal to see how we can assist.

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