$133+ Cheap flights from Allentown (ABE) to Colorado
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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — DEN
Apr 10 — Apr 171
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Allentown to Colorado with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Allentown to Colorado
Cheapest
Best
Last-minute
One-way
Cheapest flights from Allentown to ColoradoExplore the most affordable flight options available from Allentown to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 11, 2026.
Explore the most affordable flight options available from Allentown to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/252:50 pm
ABE
- DEN
Nonstop4h 02m
Allegiant Air
Fri 6/510:22 am
DEN
- ABE
Nonstop3h 27m
Allegiant Air
Deal found 3/6![Allegiant Air logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/252:50 pm
ABE
- DEN
Nonstop4h 02m
Allegiant Air
Fri 5/295:42 pm
DEN
- ABE
Nonstop3h 22m
Allegiant Air
Deal found 3/8![Allegiant Air logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/252:50 pm
ABE
- DEN
Nonstop4h 02m
Allegiant Air
Mon 6/15:42 pm
DEN
- ABE
Nonstop3h 22m
Allegiant Air
Deal found 3/8![Allegiant Air logo]()
$173
This Cheapflightsfares deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/12:50 pm
ABE
- DEN
Nonstop4h 02m
Allegiant Air
Fri 6/510:22 am
DEN
- ABE
Nonstop3h 27m
Allegiant Air
Deal found 3/6![Allegiant Air logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:30 am
ABE
- DEN
Nonstop3h 54m
Allegiant Air
Fri 10/3010:14 am
DEN
- ABE
Nonstop3h 28m
Allegiant Air
Deal found 3/9![Allegiant Air logo]()
$205
This Cheapflightsfares deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:30 am
ABE
- DEN
Nonstop4h 02m
Allegiant Air
Fri 6/1210:22 am
DEN
- ABE
Nonstop3h 27m
Allegiant Air
Deal found 3/7![Allegiant Air logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/292:50 pm
ABE
- DEN
Nonstop4h 02m
Allegiant Air
Fri 6/510:22 am
DEN
- ABE
Nonstop3h 27m
Allegiant Air
Deal found 3/8![Allegiant Air logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:30 am
ABE
- DEN
Nonstop4h 00m
Allegiant Air
Fri 7/315:47 pm
DEN
- ABE
Nonstop3h 28m
Allegiant Air
Deal found 3/7![Allegiant Air logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/72:54 pm
ABE
- DEN
Nonstop4h 02m
Allegiant Air
Mon 8/105:46 pm
DEN
- ABE
Nonstop3h 28m
Allegiant Air
Deal found 3/8![Allegiant Air logo]()
$242
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:30 am
ABE
- COS
1 stop8h 18m
Delta
Sun 9/61:40 pm
COS
- ABE
1 stop7h 16m
Delta
Deal found 3/8![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:30 am
ABE
- COS
1 stop8h 18m
Delta
Sat 9/510:57 am
COS
- ABE
2 stops9h 59m
Delta
Deal found 3/8![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 3/10. 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 9/296:30 am
ABE
- COS
1 stop8h 18m
Delta
Wed 10/141:40 pm
COS
- ABE
1 stop7h 06m
Delta
Deal found 3/10![Delta logo]()
$349
Best flights from Allentown to ColoradoDiscover carefully curated flight deals from Allentown to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 11, 2026.
Discover carefully curated flight deals from Allentown to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 11, 2026.
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:30 am
ABE
- DEN
1 stop6h 24m
Delta
Sat 9/51:35 pm
DEN
- ABE
1 stop7h 21m
Delta
Deal found 3/7![Delta logo]()
$357
This American Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2412:45 pm
ABE
- DRO
2 stops11h 30m
American Airlines
Sat 3/2810:22 am
DRO
- ABE
2 stops12h 07m
American Airlines
Deal found 3/9![American Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/292:30 pm
ABE
- DRO
2 stops9h 45m
United Airlines
Wed 9/21:30 pm
DRO
- ABE
2 stops18h 36m
United Airlines
Deal found 3/6![United Airlines logo]()
$513
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:58 pm
ABE
- DEN
1 stop8h 11m
Delta
Tue 4/141:25 pm
DEN
- ABE
1 stop7h 35m
Delta
Deal found 3/8![Delta logo]()
$370
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:30 am
ABE
- COS
1 stop8h 29m
Delta
Wed 7/291:40 pm
COS
- ABE
1 stop7h 16m
Delta
Deal found 3/6![Delta logo]()
$418
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:38 am
ABE
- GJT
2 stops11h 58m
United Airlines
Sat 8/291:30 pm
GJT
- ABE
2 stops18h 36m
United Airlines
Deal found 3/6![United Airlines logo]()
$513
This Delta deal was found by Cheapflights users on 3/10. 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 8/136:30 am
ABE
- DEN
1 stop7h 56m
Delta
Tue 8/181:35 pm
DEN
- ABE
1 stop7h 21m
Delta
Deal found 3/10![Delta logo]()
$462
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:36 pm
ABE
- DEN
1 stop9h 17m
United Airlines
Fri 6/59:05 pm
DEN
- ABE
1 stop22h 12m
United Airlines
Deal found 3/8![United Airlines logo]()
$526
This American Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/206:00 am
ABE
- COS
1 stop7h 40m
American Airlines
Thu 6/2512:10 pm
COS
- ABE
1 stop8h 37m
American Airlines
Deal found 3/10![American Airlines logo]()
$617
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:30 am
ABE
- DEN
2 stops13h 15m
Delta
Fri 8/1412:00 pm
DEN
- ABE
1 stop8h 56m
Delta
Deal found 3/6![Delta logo]()
$465
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/202:23 pm
ABE
- DEN
1 stop7h 59m
United Airlines
Wed 6/249:05 pm
DEN
- ABE
1 stop14h 43m
United Airlines
Deal found 3/6![United Airlines logo]()
$549
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:30 am
ABE
- DEN
1 stop6h 24m
Delta
Mon 7/1312:00 pm
DEN
- ABE
1 stop8h 56m
Delta
Deal found 3/10![Delta logo]()
$503
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:36 pm
ABE
- DEN
1 stop9h 17m
United Airlines
Mon 6/15:37 pm
DEN
- ABE
2 stops18h 11m
United Airlines
Deal found 3/6![United Airlines logo]()
$554
This American Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/612:00 pm
ABE
- GJT
2 stops11h 23m
American Airlines
Mon 4/1311:46 am
GJT
- ABE
2 stops10h 36m
American Airlines
Deal found 3/7![American Airlines logo]()
$733
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/222:23 pm
ABE
- COS
1 stop9h 27m
United Airlines
Thu 7/306:32 pm
COS
- ABE
2 stops13h 31m
United Airlines
Deal found 3/6![United Airlines logo]()
$565
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/36:32 am
ABE
- COS
1 stop8h 01m
Delta
Tue 4/141:14 pm
COS
- ABE
1 stop7h 46m
Delta
Deal found 3/9![Delta logo]()
$524
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:30 am
ABE
- COS
1 stop8h 29m
Delta
Tue 7/2810:57 am
COS
- ABE
2 stops9h 59m
Delta
Deal found 3/6![Delta logo]()
$529
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/105:43 pm
ABE
- COS
1 stop6h 11m
United Airlines
Sat 4/1811:42 am
COS
- ABE
1 stop7h 35m
United Airlines
Deal found 3/9![United Airlines logo]()
$623
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/126:30 am
ABE
- DEN
1 stop7h 56m
Delta
Tue 7/141:35 pm
DEN
- ABE
1 stop7h 21m
Delta
Deal found 3/7![Delta logo]()
$537
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:20 am
ABE
- COS
2 stops10h 00m
United Airlines
Sat 3/286:00 am
COS
- ABE
2 stops8h 51m
United Airlines
Deal found 3/9![United Airlines logo]()
$624
This Delta deal was found by Cheapflights users on 3/10. 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 8/146:30 am
ABE
- DEN
1 stop7h 56m
Delta
Thu 8/201:35 pm
DEN
- ABE
1 stop7h 21m
Delta
Deal found 3/10![Delta logo]()
$547
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:45 pm
ABE
- GUC
2 stops20h 54m
United Airlines
Wed 4/291:35 pm
GUC
- ABE
2 stops18h 13m
United Airlines
Deal found 3/6![United Airlines logo]()
$627
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:30 am
ABE
- COS
1 stop16h 52m
Delta
Wed 7/291:40 pm
COS
- ABE
1 stop7h 16m
Delta
Deal found 3/6![Delta logo]()
$558
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/225:36 pm
ABE
- COS
2 stops17h 05m
United Airlines
Wed 7/296:32 pm
COS
- ABE
2 stops13h 31m
United Airlines
Deal found 3/6![United Airlines logo]()
$641
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/261:00 pm
ABE
- COS
1 stop10h 22m
Delta
Sat 8/11:40 pm
COS
- ABE
1 stop7h 16m
Delta
Deal found 3/6![Delta logo]()
$605
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2410:31 am
ABE
- ASE
1 stop9h 27m
United Airlines
Thu 3/267:56 am
ASE
- ABE
1 stop6h 55m
United Airlines
Deal found 3/7![United Airlines logo]()
$681
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1212:57 pm
ABE
- COS
1 stop9h 31m
Delta
Tue 4/141:14 pm
COS
- ABE
1 stop7h 46m
Delta
Deal found 3/8![Delta logo]()
$622
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:20 am
ABE
- EGE
1 stop7h 00m
United Airlines
Thu 3/268:00 am
EGE
- ABE
1 stop6h 51m
United Airlines
Deal found 3/8![United Airlines logo]()
$691
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:32 am
ABE
- COS
1 stop8h 01m
Delta
Fri 4/101:28 pm
COS
- ABE
1 stop7h 24m
Delta
Deal found 3/9![Delta logo]()
$669
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/236:20 am
ABE
- EGE
1 stop7h 00m
United Airlines
Thu 3/268:00 am
EGE
- ABE
1 stop6h 51m
United Airlines
Deal found 3/6![United Airlines logo]()
$746
Last-minute flights from Allentown to ColoradoDiscover last-minute flight deals from Allentown to Colorado. Data last updated March 11, 2026 and is based on user searches.
Discover last-minute flight deals from Allentown to Colorado. Data last updated March 11, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 3/10. 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 3/1112:56 pm
ABE
- COS
1 stop9h 32m
Delta
Tue 3/316:20 am
COS
- ABE
1 stop8h 57m
Delta
Deal found 3/10![Delta logo]()
$454
This American Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/216:04 am
ABE
- DEN
1 stop6h 47m
American Airlines
Wed 3/254:03 pm
DEN
- ABE
1 stop6h 26m
American Airlines
Deal found 3/6![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:32 am
ABE
- COS
1 stop8h 01m
Delta
Tue 4/76:20 am
COS
- ABE
1 stop8h 57m
Delta
Deal found 3/8![Delta logo]()
$500
This American Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3112:45 pm
ABE
- DEN
2 stops11h 52m
American Airlines
Tue 4/73:00 pm
DEN
- ABE
1 stop6h 28m
American Airlines
Deal found 3/7![American Airlines logo]()
$333
This American Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/412:00 pm
ABE
- DEN
1 stop8h 58m
American Airlines
Tue 4/73:00 pm
DEN
- ABE
1 stop6h 28m
American Airlines
Deal found 3/9![American Airlines logo]()
$358
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/45:43 pm
ABE
- COS
1 stop6h 11m
United Airlines
Sat 5/211:43 am
COS
- ABE
1 stop7h 17m
United Airlines
Deal found 3/7![United Airlines logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/79:00 am
ABE
- DEN
1 stop16h 08m
Multiple Airlines
Tue 4/1411:59 pm
DEN
- ABE
2 stops36h 57m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:58 pm
ABE
- DEN
1 stop8h 11m
Delta
Tue 4/141:25 pm
DEN
- ABE
1 stop7h 35m
Delta
Deal found 3/8![Delta logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/131:41 pm
ABE
- DEN
2 stops34h 48m
Multiple Airlines
Tue 4/2111:59 pm
DEN
- ABE
1 stop30h 33m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$256
This American Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:04 am
ABE
- DEN
1 stop6h 35m
American Airlines
Sat 4/183:59 pm
DEN
- ABE
1 stop6h 23m
American Airlines
Deal found 3/7![American Airlines logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:17 pm
ABE
- DEN
2 stops36h 12m
Multiple Airlines
Wed 5/63:41 pm
DEN
- ABE
1 stop18h 30m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$338
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:43 pm
ABE
- DEN
1 stop6h 27m
United Airlines
Wed 5/66:00 am
DEN
- ABE
1 stop5h 38m
United Airlines
Deal found 3/7![United Airlines logo]()
$342
One-way flights from Allentown to ColoradoSearch for one-way flight options from Allentown to Colorado. Find affordable one-way fares based on user searches. Data last updated March 11, 2026.
Search for one-way flight options from Allentown to Colorado. Find affordable one-way fares based on user searches. Data last updated March 11, 2026.
This Booking.com deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/292:50 pm
ABE
- DEN
Nonstop4h 02m
Allegiant Air
Deal found 3/7![Allegiant Air logo]()
$133
This Cheapflightsfares deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/267:30 am
ABE
- DEN
Nonstop4h 02m
Allegiant Air
Deal found 3/7![Allegiant Air logo]()
$144
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1112:57 pm
ABE
- DEN
1 stop9h 23m
Delta
Deal found 3/6![Delta logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/293:32 pm
ABE
- DEN
2 stops33h 32m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 4/61:38 pm
ABE
- DEN
2 stops25h 29m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/151:41 pm
ABE
- DEN
2 stops35h 25m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:21 pm
ABE
- DEN
2 stops25h 31m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 3/231:35 pm
ABE
- DEN
2 stops36h 41m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/171:41 pm
ABE
- DEN
2 stops35h 28m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/48:05 pm
ABE
- DEN
2 stops38h 04m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$189
This Delta deal was found by Cheapflights users on 3/10. 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 3/315:58 pm
ABE
- DEN
1 stop8h 11m
Delta
Deal found 3/10![Delta logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 4/99:00 am
ABE
- DEN
2 stops41h 08m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$205
Find flight deals from Allentown to Colorado
Keep the following information in mind while searching for Allentown to Colorado flight deals. Data was last updated March 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $143 (Cheapflightsfares) |
One-way from | $133 (Booking.com) |
Popular in | March |
Cheapest in | September |
Average price | $498 |
Good round-trip deal | $204 or less |
Good one-way deal | $133 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Allentown to Colorado 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 11, 2026.
Use the filters below to find and compare flights from Allentown to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
AllentownDenver
ABE - DEN
ABEDEN
Allentown-Bethlehem
Tue 9/1
6:30 am-10:54 am
1 stop6h 24m
Denver Intl
Sat 9/5
1:35 pm-10:56 pm
1 stop7h 21m
$357
AllentownDenver
ABE - DEN
ABEDEN
Allentown-Bethlehem
Tue 4/7
5:58 pm-12:09 am
1 stop8h 11m
Denver Intl
Tue 4/14
1:25 pm-11:00 pm
1 stop7h 35m
$370
AllentownColorado Springs
ABE - COS
ABECOS
Allentown-Bethlehem
Tue 7/21
6:30 am-12:59 pm
1 stop8h 29m
Colorado Springs
Wed 7/29
1:40 pm-10:56 pm
1 stop7h 16m
$418
AllentownDenver
ABE - DEN
ABEDEN
Allentown-Bethlehem
Thu 8/13
6:30 am-12:26 pm
1 stop7h 56m
Denver Intl
Tue 8/18
1:35 pm-10:56 pm
1 stop7h 21m
$462
AllentownDenver
ABE - DEN
ABEDEN
Allentown-Bethlehem
Tue 8/4
6:30 am-5:45 pm
2 stops13h 15m
Denver Intl
Fri 8/14
12:00 pm-10:56 pm
1 stop8h 56m
$465
AllentownDenver
ABE - DEN
ABEDEN
Allentown-Bethlehem
Tue 7/7
6:30 am-10:54 am
1 stop6h 24m
Denver Intl
Mon 7/13
12:00 pm-10:56 pm
1 stop8h 56m
$503
AllentownDurango
ABE - DRO
ABEDRO
Allentown-Bethlehem
Tue 3/24
12:45 pm-10:15 pm
2 stops11h 30m
Durango La Plata County
Sat 3/28
10:22 am-12:29 am
2 stops12h 07m
$504
AllentownDurango
ABE - DRO
ABEDRO
Allentown-Bethlehem
Sat 8/29
2:30 pm-10:15 pm
2 stops9h 45m
Durango La Plata County
Wed 9/2
1:30 pm-10:06 am
2 stops18h 36m
$513
AllentownGrand Junction
ABE - GJT
ABEGJT
Allentown-Bethlehem
Tue 8/25
10:38 am-8:36 pm
2 stops11h 58m
Grand Junction Regnl
Sat 8/29
1:30 pm-10:06 am
2 stops18h 36m
$513
AllentownColorado Springs
ABE - COS
ABECOS
Allentown-Bethlehem
Fri 4/3
6:32 am-12:33 pm
1 stop8h 01m
Colorado Springs
Tue 4/14
1:14 pm-11:00 pm
1 stop7h 46m
$524
Showing 1-10 of 45 resultsSorted by cheapest first
Best time to book a flight from Allentown to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from Allentown with our price prediction graph.
ABE-DEN
ABE-COS
ABE-GJT
ABE-EGE
ABE-DRO
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 Colorado
ABE-USCO
ABE-DEN
ABE-COS
ABE-GJT
ABE-EGE
What is the cheapest month to book a flight from Allentown to Colorado?
Currently, January is the cheapest month in which you can book a flight from Allentown to Colorado (average of $104). Flying from Allentown to Colorado in July is currently the most expensive (average of $175). 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 Allentown to Colorado?
Reviews of airlines servicing Colorado
Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated March 11, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAllegiant Air from Allentown to Colorado. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.9
Overall
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Overall
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Overall
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Overall
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Overall
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Overall
7.9
Boarding
8.1
Food
7.2
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 Allentown to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Allentown to Colorado
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Colorado by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Allentown to Colorado by cabin class
Find flights from Allentown to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Allentown and Colorado flights
Browse other Allentown and Colorado flight options. Last updated on March 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Allentown to Colorado flights
Consider these flights traveling from Allentown to Colorado.
Top 5 airlines flying from Allentown to Colorado
Discover the top 5 airlines that operate flights from Allentown to Colorado. 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 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$75 | Average$186 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$115 | Average$214 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$177 | Average$562 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$188 | Average$439 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$256 | Average$409 | FlexibilityNo cancel fee | On-timeN/A |