$128 Find Cheap Flights from Allentown to Denver - Compare and Save

Only Allegiant Air operates flights between Allentown and Denver.

Flights from Allentown to Denver usually depart from Allentown-Bethlehem (ABE) and arrive at Denver Intl (DEN).

Two cabin classes are available on flights from Allentown to Denver:

• Economy Class
• First Class

On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $259 round-trip, compared to $371 via a layover through Philadelphia (PHL).

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $38–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737 MAX 8 family is used most often on this route, operated mainly by Allegiant Air and United Airlines. Other aircraft seen on the route include Airbus A320-100/200 variants.

One-stop flights from Allentown to Denver most commonly connect through:

• Atlanta Hartsfield-Jackson (ATL) - 31% of one-stop connections
• Philadelphia (PHL) - 26% of one-stop connections
• Charlotte Douglas (CLT) - 24% of one-stop connections
• Chicago O'Hare Intl (ORD) - 19% of one-stop connections

Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

On the Allentown to Denver route, being flexible with your departure day can save you up to 53%. Sunday is the cheapest day at $232 round-trip on average, while Wednesday is the most expensive at $488: a $256 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Some of the most popular sights in Denver are Colorado Convention Center, Union Station Denver and Coors Field. These are among the most viewed places in Denver on KAYAK.

These are the earliest and latest flight times available from Allentown to Denver:

• Earliest: departs at 6:30 am and lands at 10:21 am
• Latest: departs at 7:30 am and lands at 11:21 am.

The flight takes about 3h 51m.

Last-minute fares on this route - booked within 2 weeks of departure - run 46% above the route average of $280. Book 8 weeks before departure for the lowest fares.

A nonstop flight from Allentown to Denver takes 3h 51m, covering 1,534 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

One-way fares from Allentown to Denver are currently higher than usual. Average one-way flight prices are about $227, which is 46% above the typical average for this route.

Flying via Chicago O'Hare Intl (ORD) gives the shortest average 1-stop total travel time at 6h 58m, compared with 7h 10m via Charlotte Douglas (CLT) and 7h 13m via Philadelphia (PHL).

Denver is 2 hours behind Allentown (Mountain Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Denver Intl Airport (DEN) hosts 5 major car rental companies, with daily rates starting from around $16 for economy cars. Top options include:
• Routes Car & Truck Rentals
• Ace
• NU Car
• Europcar
• Hertz

Round-trip flights from Allentown to Denver range from $211 to $353, with an average of $280 over the past 12 months. Anything below $211 counts as a good deal.