$83+ 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
Apr 28 — May 51
Round-trip
1 adult, Economy
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Find cheap flights from Denver to Allentown with Cheapflights
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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 March 29, 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 March 29, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 3/26. 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 9/189:36 am
DEN
- ABE
Nonstop3h 32m
Allegiant Air
Mon 9/217:30 am
ABE
- DEN
Nonstop3h 46m
Allegiant Air
Deal found 3/26![Allegiant Air logo]()
$176
This Cheapflightsfares deal was found by Cheapflights users on 3/28. 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 6/15:42 pm
DEN
- ABE
Nonstop3h 22m
Allegiant Air
Mon 6/87:30 am
ABE
- DEN
Nonstop4h 02m
Allegiant Air
Deal found 3/28![Allegiant Air logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 3/26![Allegiant Air logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 6/35:00 pm
DEN
- ABE
2 stops40h 59m
Multiple Airlines
Mon 6/87:30 am
ABE
- DEN
Nonstop4h 02m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$240
This United Airlines deal was found by Cheapflights users on 3/28. 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 4/257:45 am
DEN
- ABE
1 stop7h 20m
United Airlines
Sat 5/25:40 pm
ABE
- DEN
1 stop8h 10m
United Airlines
Deal found 3/28![United Airlines logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 6/46:30 am
DEN
- ABE
2 stops27h 29m
Multiple Airlines
Mon 6/87:30 am
ABE
- DEN
Nonstop4h 02m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$246
This American Airlines deal was found by Cheapflights users on 3/24. 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 4/143:00 pm
DEN
- ABE
1 stop6h 28m
American Airlines
Wed 4/156:04 am
ABE
- DEN
1 stop6h 35m
American Airlines
Deal found 3/24![American Airlines logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 6/17:00 am
DEN
- ABE
2 stops24h 27m
Multiple Airlines
Mon 6/87:30 am
ABE
- DEN
Nonstop4h 02m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 6/15:42 pm
DEN
- ABE
Nonstop3h 22m
Allegiant Air
Fri 6/127:30 am
ABE
- DEN
Nonstop4h 02m
Allegiant Air
Deal found 3/26![Allegiant Air logo]()
$291
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 March 29, 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 March 29, 2026.
This United Airlines deal was found by Cheapflights users on 3/28. 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 4/257:45 am
DEN
- ABE
1 stop7h 20m
United Airlines
Sat 5/25:40 pm
ABE
- DEN
1 stop8h 10m
United Airlines
Deal found 3/28![United Airlines logo]()
$241
This American Airlines deal was found by Cheapflights users on 3/24. 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 4/1410:37 am
DEN
- ABE
2 stops10h 51m
American Airlines
Wed 4/156:04 am
ABE
- DEN
1 stop6h 35m
American Airlines
Deal found 3/24![American Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/221:09 pm
DEN
- ABE
2 stops23h 47m
Multiple Airlines
Wed 4/295:31 pm
ABE
- DEN
1 stop16h 50m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 3/26. 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 4/271:25 pm
DEN
- ABE
1 stop7h 35m
Delta
Wed 4/295:59 pm
ABE
- DEN
1 stop8h 37m
Delta
Deal found 3/26![Delta logo]()
$376
This United Airlines deal was found by Cheapflights users on 3/28. 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 5/97:32 am
DEN
- ABE
1 stop7h 28m
United Airlines
Tue 5/122:25 pm
ABE
- DEN
1 stop8h 43m
United Airlines
Deal found 3/28![United Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 3/28. 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 8/62:10 pm
DEN
- ABE
1 stop6h 17m
Delta
Tue 8/116:30 am
ABE
- DEN
1 stop7h 56m
Delta
Deal found 3/28![Delta logo]()
$401
This Delta deal was found by Cheapflights users on 3/29. 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 6/132:15 pm
DEN
- ABE
1 stop6h 15m
Delta
Sat 6/206:09 pm
ABE
- DEN
1 stop6h 57m
Delta
Deal found 3/29![Delta logo]()
$429
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Tue 9/16:00 am
DEN
- ABE
1 stop5h 42m
United Airlines
Sat 9/510:38 am
ABE
- DEN
1 stop6h 39m
United Airlines
Deal found 3/24![United Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 3/26. 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 4/2212:55 am
DEN
- ABE
1 stop9h 17m
Delta
Mon 5/45:59 pm
ABE
- DEN
1 stop8h 37m
Delta
Deal found 3/26![Delta logo]()
$459
This Delta deal was found by Cheapflights users on 3/26. 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 4/216:30 am
DEN
- ABE
2 stops14h 30m
Delta
Mon 5/45:59 pm
ABE
- DEN
1 stop8h 37m
Delta
Deal found 3/26![Delta logo]()
$461
Last-minute flights from Denver to AllentownDiscover last-minute flight deals from Denver to Allentown. Data last updated March 29, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Allentown. Data last updated March 29, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 3/24. 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 4/143:00 pm
DEN
- ABE
1 stop6h 28m
American Airlines
Wed 4/156:04 am
ABE
- DEN
1 stop6h 35m
American Airlines
Deal found 3/24![American Airlines logo]()
$253
This Delta deal was found by Cheapflights users on 3/28. 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 4/147:00 am
DEN
- ABE
1 stop8h 19m
Delta
Sat 4/1812:52 pm
ABE
- DEN
1 stop9h 27m
Delta
Deal found 3/28![Delta logo]()
$336
This American Airlines deal was found by Cheapflights users on 3/26. 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 4/213:00 pm
DEN
- ABE
1 stop6h 28m
American Airlines
Tue 4/2812:57 pm
ABE
- DEN
1 stop7h 13m
American Airlines
Deal found 3/26![American Airlines logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 4/2211:59 pm
DEN
- ABE
1 stop12h 57m
Multiple Airlines
Mon 5/41:41 pm
ABE
- DEN
2 stops20h 25m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 4/2211:00 am
DEN
- ABE
2 stops25h 56m
Multiple Airlines
Thu 4/309:00 am
ABE
- DEN
1 stop15h 59m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/221:09 pm
DEN
- ABE
2 stops23h 47m
Multiple Airlines
Wed 4/295:31 pm
ABE
- DEN
1 stop16h 50m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 4/231:09 pm
DEN
- ABE
2 stops29h 57m
Multiple Airlines
Thu 4/309:00 am
ABE
- DEN
1 stop15h 59m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$343
This United Airlines deal was found by Cheapflights users on 3/28. 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 4/257:45 am
DEN
- ABE
1 stop7h 20m
United Airlines
Sat 5/25:40 pm
ABE
- DEN
1 stop8h 10m
United Airlines
Deal found 3/28![United Airlines logo]()
$241
This American Airlines deal was found by Cheapflights users on 3/28. 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 4/251:13 pm
DEN
- ABE
2 stops9h 09m
American Airlines
Sat 5/26:04 am
ABE
- DEN
1 stop6h 35m
American Airlines
Deal found 3/28![American Airlines logo]()
$322
This American Airlines deal was found by Cheapflights users on 3/26. 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 4/251:13 pm
DEN
- ABE
2 stops9h 09m
American Airlines
Tue 4/2812:57 pm
ABE
- DEN
1 stop7h 13m
American Airlines
Deal found 3/26![American Airlines logo]()
$358
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 March 29, 2026.
Search for one-way flight options from Denver to Allentown. Find affordable one-way fares based on user searches. Data last updated March 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 3/24![Allegiant Air logo]()
$83
This American Airlines deal was found by Cheapflights users on 3/26. 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 4/273:59 pm
DEN
- ABE
1 stop6h 23m
American Airlines
Deal found 3/26![American Airlines logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/2211:00 am
DEN
- ABE
2 stops25h 56m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 5/75:05 am
DEN
- ABE
2 stops37h 05m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 5/1911:56 pm
DEN
- ABE
2 stops39h 14m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/2111:59 pm
DEN
- ABE
2 stops36h 57m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$154
This American Airlines deal was found by Cheapflights users on 3/25. 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 4/233:59 pm
DEN
- ABE
1 stop6h 23m
American Airlines
Deal found 3/25![American Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 5/216:05 am
DEN
- ABE
1 stop9h 05m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$172
This American Airlines deal was found by Cheapflights users on 3/25. 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 4/213:00 pm
DEN
- ABE
1 stop6h 28m
American Airlines
Deal found 3/25![American Airlines logo]()
$177
This American Airlines deal was found by Cheapflights users on 3/25. 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 4/259:18 am
DEN
- ABE
2 stops13h 04m
American Airlines
Deal found 3/25![American Airlines logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 3/25. 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
Deal found 3/25![Multiple Airlines logo]()
$183
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 March 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $176 (Cheapflightsfares) |
One-way from | $83 (Kiwi.com) |
Popular in | March |
Cheapest in | October |
Average price | $692 |
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 March 29, 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
Sat 4/25
7:45 am-5:05 pm
1 stop7h 20m
Allentown-Bethlehem
Sat 5/2
5:40 pm-11:50 pm
1 stop8h 10m
$241
DenverAllentown
DEN - ABE
DENABE
Denver Intl
Tue 4/14
10:37 am-11:28 pm
2 stops10h 51m
Allentown-Bethlehem
Wed 4/15
6:04 am-10:39 am
1 stop6h 35m
$278
DenverAllentown
DEN - ABE
DENABE
Denver Intl
Sat 5/9
7:32 am-5:00 pm
1 stop7h 28m
Allentown-Bethlehem
Tue 5/12
2:25 pm-9:08 pm
1 stop8h 43m
$341
DenverAllentown
DEN - ABE
DENABE
Denver Intl
Wed 4/22
1:09 pm-2:56 pm
2 stops23h 47m
Allentown-Bethlehem
Wed 4/29
5:31 pm-8:21 am
1 stop16h 50m
$348
DenverAllentown
DEN - ABE
DENABE
Denver Intl
Mon 4/27
1:25 pm-11:00 pm
1 stop7h 35m
Allentown-Bethlehem
Wed 4/29
5:59 pm-12:36 am
1 stop8h 37m
$376
DenverAllentown
DEN - ABE
DENABE
Denver Intl
Thu 8/6
2:10 pm-10:27 pm
1 stop6h 17m
Allentown-Bethlehem
Tue 8/11
6:30 am-12:26 pm
1 stop7h 56m
$401
DenverAllentown
DEN - ABE
DENABE
Denver Intl
Sat 6/13
2:15 pm-10:30 pm
1 stop6h 15m
Allentown-Bethlehem
Sat 6/20
6:09 pm-11:06 pm
1 stop6h 57m
$429
DenverAllentown
DEN - ABE
DENABE
Denver Intl
Wed 4/22
12:55 am-12:12 pm
1 stop9h 17m
Allentown-Bethlehem
Mon 5/4
5:59 pm-12:36 am
1 stop8h 37m
$459
DenverAllentown
DEN - ABE
DENABE
Denver Intl
Tue 4/21
6:30 am-11:00 pm
2 stops14h 30m
Allentown-Bethlehem
Mon 5/4
5:59 pm-12:36 am
1 stop8h 37m
$461
Quickest round-trip
DenverAllentown
DEN - ABE
DENABE
Denver Intl
Tue 9/1
6:00 am-1:42 pm
1 stop5h 42m
Allentown-Bethlehem
Sat 9/5
10:38 am-3:17 pm
1 stop6h 39m
$469
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 March.
| 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 $50). Flying from Denver to Allentown in July is currently the most expensive (average of $174). 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 March 29, 2026.
Read through reviews of airlines operating flights from Denver to Allentown, such as Delta,United Airlines, andAllegiant Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.2
Overall
7.9
Comfort
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Food
7.2
Overall
7.9
Comfort
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Food
7.2
Overall
7.9
Comfort
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Food
7.2
Overall
7.9
Comfort
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Food
7.2
Overall
7.9
Comfort
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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 March 29, 2026.
Alternative routes for Denver to Allentown
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Allentown by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Denver to Allentown by cabin class
Find flights from Denver to Allentown, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Denver and Allentown flights
Browse other Denver and Allentown flight options. Last updated on March 29, 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 March 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Denver to Allentown
Discover the top 4 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 March 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$196 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$163 | Average$485 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$171 | Average$433 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$199 | Average$403 | FlexibilityNo cancel fee | On-timeN/A |