$58+ Cheap flights from Denver to Allentown (DEN - ABE)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/22. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ABE
Jun 9 — Jun 161
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
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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 May 10, 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 May 10, 2026.
This Super.com deal was found by Cheapflights users on 5/9. 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 5/225:42 pm
DEN
- ABE
Nonstop3h 22m
Allegiant Air
Mon 5/252:50 pm
ABE
- DEN
Nonstop4h 02m
Allegiant Air
Deal found 5/9![Allegiant Air logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 5/255:42 pm
DEN
- ABE
Nonstop3h 22m
Allegiant Air
Mon 6/12:50 pm
ABE
- DEN
Nonstop4h 02m
Allegiant Air
Deal found 5/6![Allegiant Air logo]()
$158
This Cheapflightsfares deal was found by Cheapflights users on 5/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:42 am
DEN
- ABE
Nonstop3h 29m
Allegiant Air
Mon 8/247:00 am
ABE
- DEN
Nonstop3h 52m
Allegiant Air
Deal found 5/9![Allegiant Air logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 5/255:42 pm
DEN
- ABE
Nonstop3h 22m
Allegiant Air
Fri 5/292:50 pm
ABE
- DEN
Nonstop4h 02m
Allegiant Air
Deal found 5/7![Allegiant Air logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 6/510:22 am
DEN
- ABE
Nonstop3h 27m
Allegiant Air
Mon 6/87:30 am
ABE
- DEN
Nonstop4h 02m
Allegiant Air
Deal found 5/9![Allegiant Air logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 8/219:42 am
DEN
- ABE
Nonstop3h 29m
Multiple Airlines
Mon 8/245:25 pm
ABE
- DEN
2 stops28h 47m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 6/510:22 am
DEN
- ABE
Nonstop3h 27m
Allegiant Air
Mon 6/227:30 am
ABE
- DEN
Nonstop4h 02m
Allegiant Air
Deal found 5/8![Allegiant Air logo]()
$250
This Cheapflightsfares deal was found by Cheapflights users on 5/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2710:20 am
DEN
- ABE
Nonstop3h 28m
Allegiant Air
Mon 8/102:54 pm
ABE
- DEN
Nonstop4h 02m
Allegiant Air
Deal found 5/6![Allegiant Air logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 6/810:22 am
DEN
- ABE
Nonstop3h 27m
Allegiant Air
Mon 6/157:30 am
ABE
- DEN
Nonstop4h 02m
Allegiant Air
Deal found 5/9![Allegiant Air logo]()
$262
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 May 10, 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 May 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 6/510:22 am
DEN
- ABE
Nonstop3h 27m
Multiple Airlines
Mon 6/86:00 am
ABE
- DEN
2 stops17h 50m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 5/228:04 pm
DEN
- ABE
2 stops22h 31m
Allegiant Air
Mon 5/252:50 pm
ABE
- DEN
Nonstop4h 02m
Allegiant Air
Deal found 5/9![Allegiant Air logo]()
$380
This American Airlines deal was found by Cheapflights users on 5/7. 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 6/61:35 pm
DEN
- ABE
2 stops8h 46m
American Airlines
Sat 6/135:46 pm
ABE
- DEN
1 stop7h 13m
American Airlines
Deal found 5/7![American Airlines logo]()
$493
This Delta deal was found by Cheapflights users on 5/6. 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.
Sat 8/17:15 am
DEN
- ABE
1 stop8h 10m
Delta
Tue 8/46:13 pm
ABE
- DEN
1 stop6h 49m
Delta
Deal found 5/6![Delta logo]()
$512
This United Airlines deal was found by Cheapflights users on 5/7. 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.
Wed 5/207:32 am
DEN
- ABE
1 stop7h 28m
United Airlines
Wed 6/35:36 pm
ABE
- DEN
1 stop8h 17m
United Airlines
Deal found 5/7![United Airlines logo]()
$529
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 8/137:43 am
DEN
- ABE
1 stop7h 27m
Multiple Airlines
Tue 8/1810:19 am
ABE
- DEN
2 stops47h 51m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$400
This Delta deal was found by Cheapflights users on 5/9. 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.
Thu 5/281:50 pm
DEN
- ABE
1 stop6h 28m
Delta
Mon 6/16:15 pm
ABE
- DEN
2 stops16h 43m
Delta
Deal found 5/9![Delta logo]()
$555
This Delta deal was found by Cheapflights users on 5/6. 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.
Tue 7/287:15 am
DEN
- ABE
1 stop8h 10m
Delta
Sun 8/96:13 pm
ABE
- DEN
1 stop8h 23m
Delta
Deal found 5/6![Delta logo]()
$589
This Delta deal was found by Cheapflights users on 5/7. 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.
Sat 5/237:55 am
DEN
- ABE
2 stops12h 23m
Delta
Sat 6/66:23 am
ABE
- DEN
2 stops14h 21m
Delta
Deal found 5/7![Delta logo]()
$607
This Delta deal was found by Cheapflights users on 5/7. 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.
Sat 5/237:55 am
DEN
- ABE
2 stops12h 23m
Delta
Wed 6/36:15 pm
ABE
- DEN
2 stops16h 43m
Delta
Deal found 5/7![Delta logo]()
$607
This Delta deal was found by Cheapflights users on 5/7. 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.
Mon 5/257:05 am
DEN
- ABE
1 stop8h 23m
Delta
Thu 6/46:15 pm
ABE
- DEN
1 stop8h 18m
Delta
Deal found 5/7![Delta logo]()
$637
This Delta deal was found by Cheapflights users on 5/7. 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 5/201:50 pm
DEN
- ABE
1 stop6h 28m
Delta
Mon 5/256:23 am
ABE
- DEN
1 stop8h 22m
Delta
Deal found 5/7![Delta logo]()
$728
Last-minute flights from Denver to AllentownDiscover last-minute flight deals from Denver to Allentown. Data last updated May 10, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Allentown. Data last updated May 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Wed 5/202:40 pm
DEN
- ABE
1 stop24h 30m
Multiple Airlines
Mon 5/252:50 pm
ABE
- DEN
Nonstop4h 02m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$313
This Super.com deal was found by Cheapflights users on 5/9. 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 5/225:42 pm
DEN
- ABE
Nonstop3h 22m
Allegiant Air
Mon 5/252:50 pm
ABE
- DEN
Nonstop4h 02m
Allegiant Air
Deal found 5/9![Allegiant Air logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 5/225:42 pm
DEN
- ABE
Nonstop3h 22m
Multiple Airlines
Mon 5/258:50 pm
ABE
- DEN
2 stops38h 48m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 5/255:42 pm
DEN
- ABE
Nonstop3h 22m
Allegiant Air
Mon 6/12:50 pm
ABE
- DEN
Nonstop4h 02m
Allegiant Air
Deal found 5/6![Allegiant Air logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 5/255:42 pm
DEN
- ABE
Nonstop3h 22m
Allegiant Air
Fri 5/292:50 pm
ABE
- DEN
Nonstop4h 02m
Allegiant Air
Deal found 5/7![Allegiant Air logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 5/255:42 pm
DEN
- ABE
Nonstop3h 22m
Multiple Airlines
Fri 5/298:50 pm
ABE
- DEN
2 stops27h 34m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 6/510:22 am
DEN
- ABE
Nonstop3h 27m
Allegiant Air
Mon 6/87:30 am
ABE
- DEN
Nonstop4h 02m
Allegiant Air
Deal found 5/9![Allegiant Air logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 6/510:22 am
DEN
- ABE
Nonstop3h 27m
Allegiant Air
Mon 6/227:30 am
ABE
- DEN
Nonstop4h 02m
Allegiant Air
Deal found 5/8![Allegiant Air logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 6/810:22 am
DEN
- ABE
Nonstop3h 27m
Allegiant Air
Mon 6/157:30 am
ABE
- DEN
Nonstop4h 02m
Allegiant Air
Deal found 5/9![Allegiant Air logo]()
$262
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 May 10, 2026.
Search for one-way flight options from Denver to Allentown. Find affordable one-way fares based on user searches. Data last updated May 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 5/225:42 pm
DEN
- ABE
Nonstop3h 22m
Allegiant Air
Deal found 5/7![Allegiant Air logo]()
$58
This Cheapflightsfares deal was found by Cheapflights users on 5/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/59:14 am
DEN
- ABE
Nonstop3h 28m
Allegiant Air
Deal found 5/7![Allegiant Air logo]()
$111
This Cheapflightsfares deal was found by Cheapflights users on 5/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2710:20 am
DEN
- ABE
Nonstop3h 28m
Allegiant Air
Deal found 5/6![Allegiant Air logo]()
$132
This Delta deal was found by Cheapflights users on 5/8. 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 5/2712:25 pm
DEN
- ABE
1 stop7h 53m
Delta
Deal found 5/8![Delta logo]()
$139
This American Airlines deal was found by Cheapflights users on 5/9. 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.
Tue 6/306:38 am
DEN
- ABE
1 stop8h 36m
American Airlines
Deal found 5/9![American Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 6/1511:46 pm
DEN
- ABE
2 stops14h 11m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 6/169:58 am
DEN
- ABE
2 stops32h 10m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$195
This American Airlines deal was found by Cheapflights users on 5/6. 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 5/2812:27 pm
DEN
- ABE
2 stops9h 54m
American Airlines
Deal found 5/6![American Airlines logo]()
$209
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 May 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $140 (Super.com) |
One-way from | $58 (Kiwi.com) |
Popular in | March |
Cheapest in | May |
Average price | $163 |
Good round-trip deal | $130 or less |
Good one-way deal | $97 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 2,558,603 searches. Data last updated May 10, 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 - ABE
DENABE
Denver Intl
Fri 6/5
10:22 am-3:49 pm
Nonstop3h 27m
Allentown-Bethlehem
Mon 6/8
6:00 am-9:50 pm
2 stops17h 50m
$356
DenverAllentown
DEN - ABE
DENABE
Denver Intl
Fri 5/22
8:04 pm-8:35 pm
2 stops22h 31m
Allentown-Bethlehem
Mon 5/25
2:50 pm-4:52 pm
Nonstop4h 02m
$380
DenverAllentown
DEN - ABE
DENABE
Denver Intl
Thu 8/13
7:43 am-5:10 pm
1 stop7h 27m
Allentown-Bethlehem
Tue 8/18
10:19 am-8:10 am
2 stops47h 51m
$400
DenverAllentown
DEN - ABE
DENABE
Denver Intl
Sat 6/6
1:35 pm-12:21 am
2 stops8h 46m
Allentown-Bethlehem
Sat 6/13
5:46 pm-10:59 pm
1 stop7h 13m
$493
DenverAllentown
DEN - ABE
DENABE
Denver Intl
Sat 8/1
7:15 am-5:25 pm
1 stop8h 10m
Allentown-Bethlehem
Tue 8/4
6:13 pm-11:02 pm
1 stop6h 49m
$512
DenverAllentown
DEN - ABE
DENABE
Denver Intl
Wed 5/20
7:32 am-5:00 pm
1 stop7h 28m
Allentown-Bethlehem
Wed 6/3
5:36 pm-11:53 pm
1 stop8h 17m
$529
DenverAllentown
DEN - ABE
DENABE
Denver Intl
Thu 5/28
1:50 pm-10:18 pm
1 stop6h 28m
Allentown-Bethlehem
Mon 6/1
6:15 pm-8:58 am
2 stops16h 43m
$555
DenverAllentown
DEN - ABE
DENABE
Denver Intl
Tue 7/28
7:15 am-5:25 pm
1 stop8h 10m
Allentown-Bethlehem
Sun 8/9
6:13 pm-12:36 am
1 stop8h 23m
$589
DenverAllentown
DEN - ABE
DENABE
Denver Intl
Sat 5/23
7:55 am-10:18 pm
2 stops12h 23m
Allentown-Bethlehem
Sat 6/6
6:23 am-6:44 pm
2 stops14h 21m
$607
DenverAllentown
DEN - ABE
DENABE
Denver Intl
Sat 5/23
7:55 am-10:18 pm
2 stops12h 23m
Allentown-Bethlehem
Wed 6/3
6:15 pm-8:58 am
2 stops16h 43m
$607
Showing 1-10 of 21 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 May.
| 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, May is the cheapest month in which you can book a flight from Denver to Allentown (average of $163). 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.
How much does it cost to fly round-trip from Denver to Allentown?
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 May 10, 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.
Entertainment
7.1
Comfort
7.3
Overall
7.4
Food
6.6
Boarding
7.7
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Entertainment
7.1
Comfort
7.3
Overall
7.4
Food
6.6
Boarding
7.7
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Entertainment
7.1
Comfort
7.3
Overall
7.4
Food
6.6
Boarding
7.7
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Entertainment
7.1
Comfort
7.3
Overall
7.4
Food
6.6
Boarding
7.7
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
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
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Alternative routes for Denver to Allentown
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Complete your trip
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Denver and Allentown flights
Browse other Denver and Allentown flight options. Last updated on May 10, 2026.
Other flights from Denver
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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 2,558,603 searches. Data last updated May 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$122 | Average$203 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$163 | Average$485 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$178 | Average$448 | FlexibilityNo cancel fee | On-time71% |