$132+ Cheap flights from Colorado to Allentown (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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ABE
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Colorado 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
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Cheapest flights from Colorado to AllentownExplore the most affordable flight options available from Colorado to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Colorado to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 12/311:59 pm -
1 stop19h 44m
Mon 12/77:30 am -
1 stop26h 43m
Deal found 10/27![Multiple Airlines logo]()
$254
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Thu 12/102:35 pm -
1 stop7h 22m
Tue 12/157:35 am -
1 stop9h 07m
Deal found 10/28![American Airlines logo]()
$263
This American Airlines deal was found by Cheapflights users on 10/27. 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 12/42:35 pm -
1 stop7h 22m
Sat 12/125:30 am -
1 stop8h 11m
Deal found 10/27![American Airlines logo]()
$283
This American Airlines deal was found by Cheapflights users on 10/27. 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 12/22:35 pm -
1 stop7h 22m
Fri 1/86:59 am -
1 stop8h 51m
Deal found 10/27![American Airlines logo]()
$290
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Sun 11/2212:30 am -
1 stop8h 49m
Thu 11/266:12 am -
2 stops12h 10m
Deal found 10/28![American Airlines logo]()
$305
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:06 am -
1 stop7h 36m
Sun 12/66:12 pm -
1 stop8h 18m
Deal found 10/29![American Airlines logo]()
$310
This Delta deal was found by Cheapflights users on 10/27. 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 12/31:14 pm -
1 stop7h 13m
Sat 12/56:00 pm -
1 stop7h 22m
Deal found 10/27![Delta logo]()
$317
This Delta deal was found by Cheapflights users on 10/29. 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.
Fri 11/131:31 pm -
1 stop6h 56m
Tue 11/176:30 am -
1 stop7h 56m
Deal found 10/29![Delta logo]()
$494
This Delta deal was found by Cheapflights users on 10/26. 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.
Thu 12/31:40 pm -
1 stop6h 47m
Mon 12/76:39 am -
1 stop7h 54m
Deal found 10/26![Delta logo]()
$498
This American Airlines deal was found by Cheapflights users on 10/27. 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 12/31:39 pm -
1 stop8h 18m
Mon 12/75:30 am -
1 stop9h 39m
Deal found 10/27![American Airlines logo]()
$517
This Delta deal was found by Cheapflights users on 10/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:31 pm -
1 stop6h 48m
Wed 10/281:00 pm -
1 stop9h 16m
Deal found 10/25![Delta logo]()
$519
This American Airlines deal was found by Cheapflights users on 10/27. 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 11/111:34 pm -
1 stop7h 25m
Sun 11/155:37 am -
1 stop9h 27m
Deal found 10/27![American Airlines logo]()
$568
Best flights from Colorado to AllentownDiscover carefully curated flight deals from Colorado to Allentown that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Colorado to Allentown that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This Delta deal was found by Cheapflights users on 10/28. 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.
Fri 1/811:55 am -
1 stop8h 44m
Sun 1/106:03 pm -
1 stop7h 14m
Deal found 10/28![Delta logo]()
$358
This United Airlines deal was found by Cheapflights users on 10/28. 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 1/305:47 am -
1 stop8h 58m
Wed 2/35:20 pm -
1 stop6h 39m
Deal found 10/28![United Airlines logo]()
$491
This Delta deal was found by Cheapflights users on 10/28. 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.
Fri 12/187:15 am -
1 stop7h 59m
Mon 12/216:01 pm -
1 stop8h 19m
Deal found 10/28![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 10/26. 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 11/252:24 pm -
1 stop6h 03m
Tue 12/16:39 am -
1 stop8h 44m
Deal found 10/26![Delta logo]()
$398
This Delta deal was found by Cheapflights users on 10/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:10 am -
1 stop8h 05m
Thu 12/35:58 pm -
1 stop7h 24m
Deal found 10/25![Delta logo]()
$434
This United Airlines deal was found by Cheapflights users on 10/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/307:00 am -
2 stops11h 51m
Wed 2/310:10 am -
2 stops12h 29m
Deal found 10/25![United Airlines logo]()
$608
This Delta deal was found by Cheapflights users on 10/28. 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 12/177:15 am -
1 stop7h 58m
Wed 12/236:25 am -
1 stop11h 04m
Deal found 10/28![Delta logo]()
$501
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/1112:02 pm -
1 stop7h 00m
Sun 11/155:36 pm -
2 stops8h 23m
Deal found 10/27![United Airlines logo]()
$625
This Delta deal was found by Cheapflights users on 10/28. 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 12/172:31 pm -
1 stop5h 56m
Tue 12/226:01 pm -
1 stop8h 19m
Deal found 10/28![Delta logo]()
$508
This Delta deal was found by Cheapflights users on 10/26. 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.
Fri 12/187:15 am -
1 stop7h 59m
Tue 12/226:01 pm -
1 stop8h 19m
Deal found 10/26![Delta logo]()
$537
This Delta deal was found by Cheapflights users on 10/28. 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.
Fri 12/187:15 am -
1 stop7h 59m
Wed 12/236:25 am -
1 stop20h 06m
Deal found 10/28![Delta logo]()
$552
This Delta deal was found by Cheapflights users on 10/27. 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 11/57:00 am -
1 stop8h 16m
Thu 11/126:00 pm -
1 stop7h 15m
Deal found 10/27![Delta logo]()
$564
This Delta deal was found by Cheapflights users on 10/28. 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 12/171:40 pm -
1 stop6h 47m
Tue 12/226:25 am -
1 stop8h 16m
Deal found 10/28![Delta logo]()
$705
This Delta deal was found by Cheapflights users on 10/26. 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.
Fri 12/181:40 pm -
1 stop6h 47m
Tue 12/226:25 am -
1 stop8h 16m
Deal found 10/26![Delta logo]()
$748
Last-minute flights from Colorado to AllentownDiscover last-minute flight deals from Colorado to Allentown. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Allentown. Data last updated October 30, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/27. 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 11/111:34 pm -
1 stop7h 25m
Sun 11/155:37 am -
1 stop9h 27m
Deal found 10/27![American Airlines logo]()
$568
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/1112:02 pm -
1 stop7h 00m
Sun 11/155:36 pm -
2 stops8h 23m
Deal found 10/27![United Airlines logo]()
$625
This Delta deal was found by Cheapflights users on 10/29. 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.
Fri 11/131:31 pm -
1 stop6h 56m
Tue 11/176:30 am -
1 stop7h 56m
Deal found 10/29![Delta logo]()
$494
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Sun 11/2212:30 am -
1 stop8h 49m
Thu 11/266:12 am -
2 stops12h 10m
Deal found 10/28![American Airlines logo]()
$305
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Sun 11/2212:30 am -
1 stop8h 49m
Tue 11/246:22 pm -
1 stop8h 09m
Deal found 10/28![American Airlines logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Tue 11/2411:59 pm -
1 stop19h 30m
Thu 12/36:30 am -
2 stops16h 35m
Deal found 10/26![Multiple Airlines logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Tue 11/2411:59 pm -
1 stop19h 30m
Fri 12/41:44 pm -
2 stops21h 06m
Deal found 10/26![Multiple Airlines logo]()
$416
This American Airlines deal was found by Cheapflights users on 10/26. 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 11/242:33 pm -
1 stop6h 23m
Tue 12/16:22 pm -
1 stop6h 42m
Deal found 10/26![American Airlines logo]()
$428
This Delta deal was found by Cheapflights users on 10/26. 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 11/252:24 pm -
1 stop6h 03m
Tue 12/16:39 am -
1 stop8h 44m
Deal found 10/26![Delta logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/256:25 am -
1 stop13h 04m
Thu 12/36:30 am -
2 stops16h 35m
Deal found 10/26![Multiple Airlines logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/256:58 pm -
1 stop18h 09m
Mon 11/302:33 pm -
2 stops31h 24m
Deal found 10/26![Multiple Airlines logo]()
$411
This American Airlines deal was found by Cheapflights users on 10/27. 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 11/268:20 am -
1 stop7h 32m
Thu 12/36:12 pm -
1 stop8h 18m
Deal found 10/27![American Airlines logo]()
$263
One-way flights from Colorado to AllentownSearch for one-way flight options from Colorado to Allentown. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Colorado to Allentown. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Thu 12/32:13 pm -
1 stop8h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![American Airlines logo]()
$132
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/210:37 am -
2 stops10h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![American Airlines logo]()
$137
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Wed 12/302:32 pm -
1 stop7h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![American Airlines logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/1110:39 am -
1 stop27h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:46 pm -
2 stops39h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 12/238:35 am -
3 stops34h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Thu 12/34:24 pm -
2 stops25h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Tue 11/1710:40 am -
3 stops46h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/2411:59 pm -
1 stop19h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$200
This United Airlines deal was found by Cheapflights users on 10/27. 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 12/1512:45 pm -
1 stop6h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![United Airlines logo]()
$349
Find flight deals from Colorado to Allentown
Keep the following information in mind while searching for Colorado to Allentown flight deals. Data was last updated October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $254 (Kiwi.com) |
One-way from | $132 (American Airlines) |
Popular in | March |
Cheapest in | July |
Average price | $340 |
Good round-trip deal | $354 or less |
Good one-way deal | $222 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado 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 October 30, 2026.
Use the filters below to find and compare flights from Colorado 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
Wed 11/11
4:53 pm-8:39 am
2 stops37h 46m
Allentown-Bethlehem
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$204
DenverAllentown
DEN Denver Intl - ABE Allentown-Bethlehem
DENABE
Denver Intl
Tue 11/17
7:10 pm-11:29 am
2 stops38h 19m
Allentown-Bethlehem
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$212
DenverAllentown
DEN Denver Intl - ABE Allentown-Bethlehem
DENABE
Denver Intl
Wed 11/11
12:24 pm-10:59 pm
1 stop8h 35m
Allentown-Bethlehem
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$270
DenverAllentown
DEN Denver Intl - ABE Allentown-Bethlehem
DENABE
Denver Intl
Tue 11/17
1:06 pm-10:27 pm
1 stop7h 21m
Allentown-Bethlehem
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$270
DenverAllentown
DEN Denver Intl - ABE Allentown-Bethlehem
DENABE
Denver Intl
Wed 11/4
5:30 am-5:41 pm
2 stops10h 11m
Allentown-Bethlehem
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$275
DenverAllentown
DEN Denver Intl - ABE Allentown-Bethlehem
DENABE
Denver Intl
Thu 11/12
4:09 pm-8:39 am
2 stops14h 30m
Allentown-Bethlehem
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$283
DenverAllentown
DEN Denver Intl - ABE Allentown-Bethlehem
DENABE
Denver Intl
Mon 11/16
8:10 am-5:15 pm
1 stop7h 05m
Allentown-Bethlehem
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$319
DenverAllentown
DEN Denver Intl - ABE Allentown-Bethlehem
DENABE
Denver Intl
Sun 11/8
6:20 am-4:44 pm
1 stop8h 24m
Allentown-Bethlehem
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$319
Quickest round-trip
AspenAllentown
ASE Aspen Pitkin County - ABE Allentown-Bethlehem
ASEABE
Aspen Pitkin County
Tue 12/15
12:45 pm-9:22 pm
1 stop6h 37m
Allentown-Bethlehem
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$349
DenverAllentown
DEN Denver Intl - ABE Allentown-Bethlehem
DENABE
Denver Intl
Fri 1/8
11:55 am-10:39 pm
1 stop8h 44m
Allentown-Bethlehem
Sun 1/10
6:03 pm-11:17 pm
1 stop7h 14m
$358
Showing 1-10 of 23 resultsSorted by cheapest first
Best time to book a flight from Colorado to Allentown
Have a flexible travel schedule? Discover the best time to fly to Allentown from Colorado with our price prediction graph.
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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 Colorado to Allentown
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What is the cheapest month to book a flight from Colorado to Allentown?
Currently, July is the cheapest month in which you can book a flight from Colorado to Allentown (average of $270). Flying from Colorado to Allentown in September is currently the most expensive (average of $566). 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 Colorado to Allentown?
Airfare is below average for this route at the moment.
Colorado to Allentown flights typically cost between $420 and $614 in December.The cheapest round-trip price found within the last 5 days was $254 on Multiple Airlines (Dec 3-Dec 7).
Related info for your journey
Find useful and relevant information for your journey from Colorado 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 October 30, 2026.
Alternative routes for Colorado to Allentown
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Complete your trip
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Search flights from Colorado to Allentown by cabin class
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Colorado and Allentown flights
Browse other Colorado and Allentown flight options. Last updated on October 30, 2026.
Popular flight searches
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Colorado to Allentown flights
Consider these flights traveling from Colorado to Allentown.
Top 3 airlines flying from Colorado to Allentown
Discover the top 3 airlines that operate flights from Colorado 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 October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$124 | Average$259 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$217 | Average$518 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$260 | Average$488 | FlexibilityNo cancel fee | On-time71% |