$92 Cheap flight deals from Denver (DEN) to Allentown (ABE)

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This Weekend's Flight Deals from Denver to Allentown

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, May 2 - Fri, May 9
DEN
Denver Intl.
PHL
Philadelphia Intl.
$264 Roundtrip, found 3 hours ago
$264
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Fri, May 2 from Denver Intl. to Philadelphia Intl., returning Fri, May 9, priced at $264 found 3 hours ago
Fri, May 2 - Fri, May 16
DEN
Denver Intl.
TTN
Mercer
$285 Roundtrip, found 4 days ago
$285
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Fri, May 2 from Denver Intl. to Mercer, returning Fri, May 16, priced at $285 found 4 days ago
Sat, May 3 - Mon, May 5
DEN
Denver Intl.
ABE
Lehigh Valley Intl.
$343 Roundtrip, found 4 days ago
$343
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, May 3 from Denver Intl. to Lehigh Valley Intl., returning Mon, May 5, priced at $343 found 4 days ago
Fri, May 2 - Sun, May 4
COS
Colorado Springs
ABE
Lehigh Valley Intl.
$586 Roundtrip, found 10 hours ago
$586
Roundtrip
found 10 hours ago
Select Delta flight, departing Fri, May 2 from Colorado Springs to Lehigh Valley Intl., returning Sun, May 4, priced at $586 found 10 hours ago

Airfares from $92 One Way, $179 Round Trip from Denver to Allentown

Prices starting at $179 for return flights and $92 for one-way flights to Allentown were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 5 - Wed, Aug 6
DEN
Denver
PHL
Philadelphia
$179 Roundtrip, found 3 days ago
$179
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Tue, Aug 5 from Denver to Philadelphia, returning Wed, Aug 6, priced at $179 found 3 days ago
Sat, May 24 - Wed, May 28
DEN
Denver
ABE
Allentown
$196 Roundtrip, found 6 days ago
$196
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, May 24 from Denver to Allentown, returning Wed, May 28, priced at $196 found 6 days ago
Tue, Sep 23 - Sat, Sep 27
DEN
Denver
PHL
Philadelphia
$229 Roundtrip, found 6 hours ago
$229
Roundtrip
found 6 hours ago
Select JetBlue Airways flight, departing Tue, Sep 23 from Denver to Philadelphia, returning Sat, Sep 27, priced at $229 found 6 hours ago
Sat, May 24 - Sat, Jun 7
DEN
Denver
PHL
Philadelphia
$249 Roundtrip, found 1 day ago
$249
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Sat, May 24 from Denver to Philadelphia, returning Sat, Jun 7, priced at $249 found 1 day ago
Fri, May 16 - Mon, May 19
DEN
Denver
TTN
Trenton
$255 Roundtrip, found 9 hours ago
$255
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Fri, May 16 from Denver to Trenton, returning Mon, May 19, priced at $255 found 9 hours ago

Allentown economy flight packages

Price found within the past 48 hours. Click for updated prices.
Doubletree by Hilton Philadelphia Airport
4.0-star property

Doubletree by Hilton Philadelphia Airport

7.4/10 Good! (2,754 reviews)

Jun 10 - Jun 14

4 night stay

Denver (DEN) to Philadelphia (PHL)

Frontier Airlines • Coach

Philadelphia (PHL) to Denver (DEN)

American Airlines • Coach
per person
found 1 day ago
The drain in Bathroom shower/tub did not drain properly. Housekeeping did not clean bathroom or replenish towels.

Reviewed on Apr 22, 2025

Hilton Garden Inn Philadelphia Center City
3.0-star property

Hilton Garden Inn Philadelphia Center City

8.4/10 Very Good! (1,358 reviews)

Jun 10 - Jun 14

4 night stay

Denver (DEN) to Philadelphia (PHL)

Frontier Airlines • Coach

Philadelphia (PHL) to Denver (DEN)

American Airlines • Coach
per person
found 1 day ago
Hotel dated. Outside did not feel safe at night. Room was clean but weird smell. Toilet broken. Overall okay.

Reviewed on Apr 24, 2025

Sheraton Philadelphia Downtown
4.0-star property

Sheraton Philadelphia Downtown

8/10 Very Good! (1,000 reviews)

Jun 10 - Jun 14

4 night stay

Denver (DEN) to Philadelphia (PHL)

Frontier Airlines • Coach

Philadelphia (PHL) to Denver (DEN)

American Airlines • Coach
per person
found 1 day ago
Great location for the parade route. The staff is amazing and the rooms are beautiful.

Reviewed on Feb 15, 2025

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More About Flying To Allentown from Denver

Route Information for Flights from Denver to Allentown

Origin Airport IATA Code
DEN
Destination Airport IATA Code
ABE
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

Denver to Allentown

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Frequently asked questions

Are there non-stop flights from Denver to Allentown?
Direct services are offered by no less than 4 airlines from Denver, CO (DEN-Denver Intl.) to PHL, which means you could be booking your fun-filled getaway within minutes. Here are some trusted carriers to compare:

  • United Airlines
  • American Airlines
  • Southwest Airlines
  • Frontier Airlines

What is the shortest flight from Denver to Allentown?
The fastest flight from Colorado Springs, CO (COS) to PHL is 4 hours and 15 minutes. Bring something extra to stop you from getting bored, like a gripping read or a crossword puzzle.
What airlines fly from Denver to Allentown most frequently?
Here are the airlines offering the most frequent flights between Denver and Allentown. Discover which one suits your travel plans: United Airlines - (UA) with 60 flights every month American Airlines - (AA) with 56 flights every month Southwest Airlines - (WN) with 47 flights every month Frontier Airlines - (F9) with 30 flights every month
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won’t keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.