$171+ Cheap flights from Denver to Allentown (DEN - ABE)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ABE
Oct 23 — Oct 301
Round-trip
1 adult, Economy
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Find cheap flights from Denver to Allentown with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Denver to Allentown
Cheapest
Best
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One-way
Cheapest flights from Denver to AllentownExplore the most affordable flight options available from Denver to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
Explore the most affordable flight options available from Denver to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
This Kissandfly.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:14 am -
Nonstop3h 28m
Mon 10/56:30 am -
Nonstop3h 54m
Deal found 9/21![Allegiant Air logo]()
$287
This Delta deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:00 am -
1 stop8h 16m
Thu 10/291:00 pm -
1 stop9h 11m
Deal found 9/22![Delta logo]()
$341
This American Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/163:41 pm -
1 stop5h 43m
Tue 11/175:37 am -
2 stops10h 42m
Deal found 9/21![American Airlines logo]()
$346
This American Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/162:19 pm -
1 stop8h 09m
Mon 10/196:44 pm -
1 stop6h 08m
Deal found 9/21![American Airlines logo]()
$351
This CheapOair deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:14 am -
Nonstop3h 28m
Mon 10/197:30 am -
Nonstop3h 54m
Deal found 9/23![Allegiant Air logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:40 am -
1 stop13h 48m
Mon 10/194:32 pm -
2 stops41h 34m
Deal found 9/18![Multiple Airlines logo]()
$359
This CheapOair deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:14 am -
Nonstop3h 28m
Fri 10/167:30 am -
Nonstop3h 54m
Deal found 9/21![Allegiant Air logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:40 am -
1 stop13h 48m
Thu 11/123:05 pm -
2 stops43h 17m
Deal found 9/19![Multiple Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2012:30 am -
1 stop8h 49m
Tue 12/16:22 pm -
1 stop8h 09m
Deal found 9/22![American Airlines logo]()
$372
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:15 am -
1 stop7h 47m
Sun 11/15:36 pm -
1 stop7h 55m
Deal found 9/20![United Airlines logo]()
$379
Best flights from Denver to AllentownDiscover carefully curated flight deals from Denver to Allentown that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
Discover carefully curated flight deals from Denver to Allentown that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
This Delta deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:00 am -
1 stop8h 16m
Thu 10/291:00 pm -
1 stop9h 11m
Deal found 9/22![Delta logo]()
$341
This American Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:07 pm -
1 stop6h 21m
Mon 10/196:44 pm -
1 stop7h 52m
Deal found 9/22![American Airlines logo]()
$351
This CheapOair deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:14 am -
Nonstop3h 28m
Mon 10/197:30 am -
Nonstop3h 54m
Deal found 9/23![Allegiant Air logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:14 am -
Nonstop3h 28m
Mon 10/53:32 pm -
2 stops26h 29m
Deal found 9/18![Multiple Airlines logo]()
$373
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/711:15 am -
1 stop7h 47m
Wed 11/115:36 pm -
1 stop7h 08m
Deal found 9/19![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:15 am -
1 stop7h 47m
Sun 11/15:36 pm -
1 stop7h 55m
Deal found 9/20![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:06 pm -
1 stop7h 21m
Sun 11/156:00 pm -
1 stop7h 15m
Deal found 9/23![Delta logo]()
$426
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:29 pm -
1 stop5h 43m
Sun 10/186:44 pm -
1 stop6h 08m
Deal found 9/18![American Airlines logo]()
$551
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2112:52 am -
1 stop8h 37m
Fri 1/17:10 am -
2 stops12h 23m
Deal found 9/19![American Airlines logo]()
$572
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2112:52 am -
1 stop8h 37m
Mon 1/47:10 am -
2 stops12h 23m
Deal found 9/19![American Airlines logo]()
$595
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:25 pm -
2 stops25h 37m
Fri 10/305:36 pm -
1 stop7h 08m
Deal found 9/19![United Airlines logo]()
$690
Last-minute flights from Denver to AllentownDiscover last-minute flight deals from Denver to Allentown. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Allentown. Data last updated September 23, 2026 and is based on user searches.
This Kissandfly.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:14 am -
Nonstop3h 28m
Mon 10/56:30 am -
Nonstop3h 54m
Deal found 9/21![Allegiant Air logo]()
$287
This CheapOair deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:14 am -
Nonstop3h 28m
Fri 10/167:30 am -
Nonstop3h 54m
Deal found 9/21![Allegiant Air logo]()
$366
This American Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/162:19 pm -
1 stop8h 09m
Mon 10/196:44 pm -
1 stop6h 08m
Deal found 9/21![American Airlines logo]()
$351
This CheapOair deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:14 am -
Nonstop3h 28m
Mon 10/197:30 am -
Nonstop3h 54m
Deal found 9/23![Allegiant Air logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:40 am -
1 stop13h 48m
Mon 10/194:32 pm -
2 stops41h 34m
Deal found 9/18![Multiple Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:00 am -
1 stop8h 16m
Thu 10/291:00 pm -
1 stop9h 11m
Deal found 9/22![Delta logo]()
$341
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:15 am -
1 stop7h 47m
Sun 11/15:36 pm -
1 stop7h 55m
Deal found 9/20![United Airlines logo]()
$379
One-way flights from Denver to AllentownSearch for one-way flight options from Denver to Allentown. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
Search for one-way flight options from Denver to Allentown. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This American Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/151:25 pm -
1 stop9h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![American Airlines logo]()
$171
This American Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:20 pm -
2 stops9h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![American Airlines logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:02 pm -
2 stops36h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:02 pm -
1 stop25h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:40 am -
1 stop12h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:12 pm -
2 stops33h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$198
This Super.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:14 am -
Nonstop3h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Allegiant Air logo]()
$202
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:07 pm -
1 stop6h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![American Airlines logo]()
$214
Find flight deals from Denver to Allentown
Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Allentown (ABE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $341 (Delta) |
One-way from | $171 (American Airlines) |
Popular in | March |
Cheapest in | October |
Average price | $259 |
Good round-trip deal | $118 or less |
Good one-way deal | $108 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Denver to Allentown that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 23, 2026.
Use the filters below to find and compare flights from Denver to Allentown that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverAllentown
DEN Denver Intl - ABE Allentown-Bethlehem
DENABE
Denver Intl
Fri 10/16
4:07 pm-12:28 am
1 stop6h 21m
Allentown-Bethlehem
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$214
DenverAllentown
DEN Denver Intl - ABE Allentown-Bethlehem
DENABE
Denver Intl
Wed 12/23
2:32 pm-11:52 pm
1 stop7h 20m
Allentown-Bethlehem
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$238
Quickest round-trip
DenverAllentown
DEN Denver Intl - ABE Allentown-Bethlehem
DENABE
Denver Intl
Thu 10/15
2:36 pm-10:19 pm
1 stop5h 43m
Allentown-Bethlehem
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$250
DenverAllentown
DEN Denver Intl - ABE Allentown-Bethlehem
DENABE
Denver Intl
Wed 10/7
4:07 pm-12:28 am
1 stop6h 21m
Allentown-Bethlehem
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$260
DenverAllentown
DEN Denver Intl - ABE Allentown-Bethlehem
DENABE
Denver Intl
Sat 10/17
7:45 am-5:02 pm
1 stop7h 17m
Allentown-Bethlehem
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$274
DenverAllentown
DEN Denver Intl - ABE Allentown-Bethlehem
DENABE
Denver Intl
Fri 10/9
4:48 pm-9:21 pm
2 stops26h 33m
Allentown-Bethlehem
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$310
DenverAllentown
DEN Denver Intl - ABE Allentown-Bethlehem
DENABE
Denver Intl
Sun 11/29
12:30 am-11:19 am
1 stop8h 49m
Allentown-Bethlehem
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$310
DenverAllentown
DEN Denver Intl - ABE Allentown-Bethlehem
DENABE
Denver Intl
Wed 10/28
7:00 am-5:16 pm
1 stop8h 16m
Allentown-Bethlehem
Thu 10/29
1:00 pm-8:11 pm
1 stop9h 11m
$341
DenverAllentown
DEN Denver Intl - ABE Allentown-Bethlehem
DENABE
Denver Intl
Fri 10/16
4:07 pm-12:28 am
1 stop6h 21m
Allentown-Bethlehem
Mon 10/19
6:44 pm-12:36 am
1 stop7h 52m
$351
DenverAllentown
DEN Denver Intl - ABE Allentown-Bethlehem
DENABE
Denver Intl
Fri 10/16
10:14 am-3:42 pm
Nonstop3h 28m
Allentown-Bethlehem
Mon 10/19
7:30 am-9:24 am
Nonstop3h 54m
$353
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Denver to Allentown
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Allentown in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Denver-Allentown flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Allentown flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Allentown flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Denver-Allentown flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Allentown flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Denver to Allentown
Have a flexible travel schedule? Discover the best time to fly to Allentown from Denver with our price prediction graph.
DEN-ABE
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Denver to Allentown
What is the cheapest month to book a flight from Denver to Allentown?
Currently, October is the cheapest month in which you can book a flight from Denver to Allentown (average of $249). Flying from Denver to Allentown in March is currently the most expensive (average of $767). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from DEN to ABE?
Find hourly flight availability from Denver to Allentown. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 23, 2026.
When flying from Denver to Allentown, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Reviews of airlines servicing Allentown
Get insights into the airlines that provide service to Allentown. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Allentown. Reviews last updated September 23, 2026.
Read through reviews of airlines operating flights from Denver to Allentown, such as United Airlines,Allegiant Air, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Food
6.7
Overall
7.4
Crew
8.1
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentMichelle,Dec 2025
DEN - MKE
Comfort
7.3
Food
6.7
Overall
7.4
Crew
8.1
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentMichelle,Dec 2025
DEN - MKE
Comfort
7.3
Food
6.7
Overall
7.4
Crew
8.1
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentMichelle,Dec 2025
DEN - MKE
Comfort
7.3
Food
6.7
Overall
7.4
Crew
8.1
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentMichelle,Dec 2025
DEN - MKE
Related info for your journey
Find useful and relevant information for your journey from Denver to Allentown. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Other flights to Allentown
Explore flights to Allentown departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 23, 2026.
Alternative routes for Denver to Allentown
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Complete your trip
Complete your trip to Allentown by adding a car rental and/or hotel reservation to your travel itinerary.
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Denver and Allentown flights
Browse other Denver and Allentown flight options. Last updated on September 23, 2026.
Other flights from Denver
Browse through other flights departing from Denver. Flights are based on user searches made on Cheapflights and were last updated on September 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Denver to Allentown
Discover the top 3 airlines that operate flights from Denver to Allentown. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$124 | Average$261 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$178 | Average$476 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$188 | Average$518 | FlexibilityNo cancel fee | On-time69% |