$128+ Cheap flights from Allentown to Denver (ABE - DEN)
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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — DEN
Nov 23 — Nov 301
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Allentown to Denver 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.Cheapflights Tip: The best prices from Allentown-Bethlehem to Denver Intl are usually found in August or September, booked 74 days in advance, depart on a Thursday or Tuesday and return on a Tuesday
Cheap flight deals from Allentown to Denver
Cheapest
Best
Last-minute
One-way
Cheapest flights from Allentown to DenverExplore the most affordable flight options available from Allentown to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 24, 2026.
Explore the most affordable flight options available from Allentown to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 24, 2026.
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/85:32 pm -
1 stop6h 27m
Sat 12/127:45 am -
1 stop7h 12m
Deal found 10/21![United Airlines logo]()
$259
This American Airlines deal was found by Cheapflights users on 10/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:36 am -
2 stops9h 57m
Wed 11/188:07 am -
1 stop7h 34m
Deal found 10/20![American Airlines logo]()
$264
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Wed 12/912:52 pm -
2 stops11h 38m
Tue 12/155:17 am -
2 stops10h 25m
Deal found 10/21![American Airlines logo]()
$269
This American Airlines deal was found by Cheapflights users on 10/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:23 pm -
1 stop7h 35m
Sun 12/64:04 pm -
1 stop6h 17m
Deal found 10/20![American Airlines logo]()
$272
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:58 pm -
1 stop7h 24m
Fri 12/117:15 am -
1 stop7h 58m
Deal found 10/21![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Thu 12/315:25 pm -
1 stop8h 28m
Tue 1/56:00 am -
1 stop8h 45m
Deal found 10/20![United Airlines logo]()
$278
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/65:58 pm -
1 stop7h 24m
Fri 12/117:15 am -
1 stop7h 58m
Deal found 10/21![Delta logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Mon 12/141:44 pm -
2 stops21h 06m
Thu 12/1711:00 am -
1 stop9h 43m
Deal found 10/22![Multiple Airlines logo]()
$290
This Delta deal was found by Cheapflights users on 10/23. 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.
Mon 11/96:00 pm -
1 stop7h 15m
Sun 11/157:10 am -
1 stop8h 05m
Deal found 10/23![Delta logo]()
$308
This American Airlines deal was found by Cheapflights users on 10/21. 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 12/317:10 am -
1 stop8h 42m
Mon 1/412:54 am -
1 stop8h 27m
Deal found 10/21![American Airlines logo]()
$322
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Tue 12/812:52 pm -
2 stops12h 03m
Fri 12/112:35 pm -
1 stop7h 22m
Deal found 10/21![American Airlines logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Thu 12/107:30 am -
2 stops16h 06m
Thu 12/1711:00 am -
1 stop9h 43m
Deal found 10/22![Multiple Airlines logo]()
$328
Best flights from Allentown to DenverDiscover carefully curated flight deals from Allentown to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 24, 2026.
Discover carefully curated flight deals from Allentown to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 24, 2026.
This Delta deal was found by Cheapflights users on 10/23. 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.
Wed 11/116:00 pm -
1 stop7h 15m
Sat 11/147:10 am -
1 stop8h 05m
Deal found 10/23![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:00 pm -
1 stop7h 15m
Wed 11/118:10 am -
1 stop7h 05m
Deal found 10/21![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 10/22. 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.
Tue 12/85:58 pm -
1 stop7h 24m
Wed 12/167:15 am -
1 stop7h 58m
Deal found 10/22![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:00 pm -
1 stop7h 22m
Fri 12/117:15 am -
1 stop7h 58m
Deal found 10/21![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/65:58 pm -
1 stop7h 24m
Fri 12/117:15 am -
1 stop7h 58m
Deal found 10/21![Delta logo]()
$281
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/65:58 pm -
1 stop7h 24m
Sat 12/128:15 am -
1 stop7h 00m
Deal found 10/21![Delta logo]()
$281
This Delta deal was found by Cheapflights users on 10/23. 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.
Thu 11/126:30 am -
1 stop7h 31m
Fri 11/132:24 pm -
1 stop6h 03m
Deal found 10/23![Delta logo]()
$368
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:58 pm -
1 stop7h 24m
Sat 12/126:30 am -
2 stops13h 57m
Deal found 10/21![Delta logo]()
$368
This Delta deal was found by Cheapflights users on 10/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/46:30 am -
1 stop6h 53m
Mon 3/812:00 pm -
1 stop8h 46m
Deal found 10/19![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 10/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/56:30 am -
1 stop8h 40m
Mon 3/812:00 pm -
1 stop8h 46m
Deal found 10/19![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 10/23. 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.
Sat 11/76:03 pm -
1 stop6h 29m
Tue 11/101:06 pm -
1 stop7h 21m
Deal found 10/23![Delta logo]()
$408
Last-minute flights from Allentown to DenverDiscover last-minute flight deals from Allentown to Denver. Data last updated October 24, 2026 and is based on user searches.
Discover last-minute flight deals from Allentown to Denver. Data last updated October 24, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Sun 11/84:31 pm -
1 stop26h 51m
Thu 11/127:10 pm -
1 stop25h 29m
Deal found 10/21![Multiple Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:00 pm -
1 stop7h 15m
Tue 11/107:10 am -
1 stop8h 05m
Deal found 10/21![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 10/23. 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.
Mon 11/96:00 pm -
1 stop7h 15m
Sun 11/157:10 am -
1 stop8h 05m
Deal found 10/23![Delta logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/94:36 pm -
2 stops25h 17m
Thu 11/127:10 pm -
1 stop25h 29m
Deal found 10/23![Multiple Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 10/23. 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.
Mon 11/96:00 pm -
1 stop7h 15m
Mon 11/168:10 am -
1 stop7h 05m
Deal found 10/23![Delta logo]()
$338
This American Airlines deal was found by Cheapflights users on 10/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:37 am -
1 stop8h 02m
Tue 11/179:11 am -
1 stop6h 30m
Deal found 10/20![American Airlines logo]()
$259
This American Airlines deal was found by Cheapflights users on 10/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:37 am -
2 stops10h 41m
Wed 11/185:30 am -
2 stops10h 11m
Deal found 10/20![American Airlines logo]()
$332
This KAYAK deal was found by Cheapflights users on 10/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:00 pm -
1 stop7h 15m
Wed 11/187:10 am -
1 stop8h 05m
Deal found 10/21![Delta logo]()
$335
This American Airlines deal was found by Cheapflights users on 10/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:37 am -
1 stop8h 02m
Sun 11/2212:30 am -
1 stop8h 49m
Deal found 10/20![American Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Tue 11/247:00 am -
1 stop10h 46m
Wed 12/28:07 pm -
2 stops39h 39m
Deal found 10/21![Multiple Airlines logo]()
$342
One-way flights from Allentown to DenverSearch for one-way flight options from Allentown to Denver. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
Search for one-way flight options from Allentown to Denver. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Mon 11/94:36 pm -
2 stops30h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$128
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Tue 12/16:22 pm -
1 stop6h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$130
This American Airlines deal was found by Cheapflights users on 10/22. 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.
Wed 11/115:37 am -
2 stops10h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![American Airlines logo]()
$135
This Delta deal was found by Cheapflights users on 10/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:00 pm -
1 stop7h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Delta logo]()
$139
This American Airlines deal was found by Cheapflights users on 10/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:37 am -
1 stop8h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![American Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Sun 11/154:31 pm -
2 stops41h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$148
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Wed 11/256:22 pm -
1 stop8h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![American Airlines logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Mon 11/302:33 pm -
2 stops43h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:32 pm -
2 stops28h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$197
This American Airlines deal was found by Cheapflights users on 10/22. 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.
Wed 12/165:30 am -
2 stops10h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![American Airlines logo]()
$198
Find flight deals from Allentown to Denver
Discover tips and strategies to find the most affordable flight options for your journey from Allentown (ABE) to Denver (DEN). 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 October 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $259 (United Airlines) |
One-way from | $128 (Kiwi.com) |
Popular in | March |
Cheapest in | August |
Average price | $274 |
Good round-trip deal | $334 or less |
Good one-way deal | $120 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Allentown to Denver 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 October 24, 2026.
Use the filters below to find and compare flights from Allentown to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AllentownDenver
ABE Allentown-Bethlehem - DEN Denver Intl
ABEDEN
Allentown-Bethlehem
Tue 12/1
6:22 pm-11:04 pm
1 stop6h 42m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$130
AllentownDenver
ABE Allentown-Bethlehem - DEN Denver Intl
ABEDEN
Allentown-Bethlehem
Wed 11/11
5:37 am-2:18 pm
2 stops10h 41m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$135
AllentownDenver
ABE Allentown-Bethlehem - DEN Denver Intl
ABEDEN
Allentown-Bethlehem
Wed 11/25
6:00 pm-11:15 pm
1 stop7h 15m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$139
AllentownDenver
ABE Allentown-Bethlehem - DEN Denver Intl
ABEDEN
Allentown-Bethlehem
Thu 11/12
2:32 pm-4:54 pm
2 stops28h 22m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$197
AllentownDenver
ABE Allentown-Bethlehem - DEN Denver Intl
ABEDEN
Allentown-Bethlehem
Mon 11/30
2:33 pm-6:36 am
3 stops42h 03m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$200
AllentownDenver
ABE Allentown-Bethlehem - DEN Denver Intl
ABEDEN
Allentown-Bethlehem
Sat 11/7
5:36 pm-10:29 pm
1 stop6h 53m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$270
AllentownDenver
ABE Allentown-Bethlehem - DEN Denver Intl
ABEDEN
Allentown-Bethlehem
Wed 11/11
6:00 pm-11:15 pm
1 stop7h 15m
Denver Intl
Sat 11/14
7:10 am-5:15 pm
1 stop8h 05m
$277
AllentownDenver
ABE Allentown-Bethlehem - DEN Denver Intl
ABEDEN
Allentown-Bethlehem
Tue 11/10
6:00 pm-11:15 pm
1 stop7h 15m
Denver Intl
Wed 11/11
8:10 am-5:15 pm
1 stop7h 05m
$277
AllentownDenver
ABE Allentown-Bethlehem - DEN Denver Intl
ABEDEN
Allentown-Bethlehem
Tue 12/8
5:58 pm-11:22 pm
1 stop7h 24m
Denver Intl
Wed 12/16
7:15 am-5:13 pm
1 stop7h 58m
$277
AllentownDenver
ABE Allentown-Bethlehem - DEN Denver Intl
ABEDEN
Allentown-Bethlehem
Sat 12/5
6:00 pm-11:22 pm
1 stop7h 22m
Denver Intl
Fri 12/11
7:15 am-5:13 pm
1 stop7h 58m
$277
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Allentown to Denver
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 Allentown to Denver in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Allentown-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Allentown-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Allentown-Denver flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Allentown-Denver 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 Allentown-Denver 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 Allentown to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from Allentown with our price prediction graph.
ABE-DEN
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 Allentown to Denver
How far ahead should I book a flight from Allentown to Denver?
Booking 73 days in advance of your planned departure date is, on average, the best time to get cheap flights from Allentown to Denver. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Allentown to Denver?
Currently, August is the cheapest month in which you can book a flight from Allentown to Denver (average of $216). Flying from Allentown to Denver in March is currently the most expensive (average of $498). 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 ABE to DEN?
Find hourly flight availability from Allentown to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 24, 2026.
When flying from Allentown to Denver, 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 Denver
Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated October 24, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAllegiant Air from Allentown to Denver. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Boarding
8.1
Overall
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Boarding
8.1
Overall
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Boarding
8.1
Overall
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Boarding
8.1
Overall
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Boarding
8.1
Overall
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Related info for your journey
Find useful and relevant information for your journey from Allentown to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsThornton
Westminster
Lakewood
Centennial
Broomfield
Englewood
Golden
Black Hawk
Wheat Ridge
Silverthorne
Fort Morgan
Greeley
Frisco
Winter Park
Limon
Central City
Manitou Springs
Glendale
Cripple Creek
Evergreen
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Denver flight routes
Flights by cabin class
Other flight options
Other flights from Allentown
Popular flights
Alternative routes for Allentown to Denver
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Denver by adding a car rental and/or hotel reservation to your travel itinerary.
Other flights to Denver
Explore flights to Denver departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 24, 2026.
Search flights from Allentown to Denver by cabin class
Find flights from Allentown to Denver, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Allentown and Denver flights
Browse other Allentown and Denver flight options. Last updated on October 24, 2026.
Other flights from Allentown
Browse through other flights departing from Allentown. Flights are based on user searches made on Cheapflights and were last updated on October 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Allentown to Denver
Discover the top 4 airlines that operate flights from Allentown to Denver. 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 October 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$145 | Average$265 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$177 | Average$488 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$238 | Average$462 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$244 | Average$384 | FlexibilityNo cancel fee | On-timeN/A |