$92+ Cheap flights from Colorado to Pennsylvania
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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PHL
Sep 15 — Sep 221
Round-trip
1 adult, Economy
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Find cheap flights from Colorado to Pennsylvania with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Colorado to PennsylvaniaExplore the most affordable flight options available from Colorado to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2026.
Explore the most affordable flight options available from Colorado to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 10/87:37 pm -
Nonstop3h 39m
Mon 10/125:50 am -
Nonstop4h 10m
Deal found 8/15![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/46:30 am -
1 stop8h 44m
Mon 9/76:09 pm -
2 stops39h 55m
Deal found 8/11![Frontier logo]()
$226
This Super.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:45 am -
Nonstop3h 26m
Wed 9/161:00 pm -
Nonstop3h 51m
Deal found 8/13![Frontier logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 11/136:30 am -
1 stop23h 06m
Sun 11/155:28 pm -
1 stop22h 32m
Deal found 8/12![Frontier logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 9/36:30 am -
1 stop8h 44m
Wed 9/94:36 pm -
1 stop7h 13m
Deal found 8/12![Frontier logo]()
$227
This Super.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:28 pm -
Nonstop3h 31m
Fri 10/21:06 pm -
Nonstop3h 51m
Deal found 8/11![Frontier logo]()
$227
This Cheapflightsfares deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/411:00 am -
1 stop10h 29m
Sun 9/68:37 pm -
Nonstop4h 27m
Deal found 8/14![Frontier logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 8/3111:59 pm -
1 stop15h 15m
Thu 9/38:59 am -
1 stop11h 01m
Deal found 8/12![Frontier logo]()
$228
This Super.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1811:23 am -
Nonstop3h 36m
Mon 9/217:00 am -
Nonstop4h 03m
Deal found 8/13![Frontier logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 10/19:16 pm -
2 stops32h 00m
Thu 10/85:38 pm -
1 stop17h 53m
Deal found 8/10![Frontier logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/2510:50 pm -
2 stops10h 43m
Fri 10/29:04 pm -
1 stop13h 00m
Deal found 8/11![Frontier logo]()
$229
This Southwest deal was found by Cheapflights users on 8/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:00 am -
1 stop7h 10m
Tue 9/1512:00 pm -
2 stops7h 20m
Deal found 8/12![Southwest logo]()
$229
Best flights from Colorado to PennsylvaniaDiscover carefully curated flight deals from Colorado to Pennsylvania that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 16, 2026.
Discover carefully curated flight deals from Colorado to Pennsylvania that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 16, 2026.
This Southwest deal was found by Cheapflights users on 8/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:35 am -
2 stops7h 25m
Tue 9/151:45 pm -
2 stops8h 00m
Deal found 8/12![Southwest logo]()
$247
This Delta deal was found by Cheapflights users on 8/12. 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 11/611:20 am -
Nonstop3h 40m
Mon 11/91:59 pm -
Nonstop4h 29m
Deal found 8/12![Delta logo]()
$258
This United Airlines deal was found by Cheapflights users on 8/12. 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 9/1711:59 pm -
1 stop7h 44m
Mon 9/2110:05 am -
Nonstop4h 05m
Deal found 8/12![United Airlines logo]()
$281
This American Airlines deal was found by Cheapflights users on 8/15. 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 9/2610:17 am -
1 stop7h 12m
Mon 9/286:59 am -
1 stop7h 49m
Deal found 8/15![American Airlines logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:07 am -
1 stop13h 22m
Tue 10/207:22 am -
2 stops16h 50m
Deal found 8/14![Alaska Airlines logo]()
$469
This Southwest deal was found by Cheapflights users on 8/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/292:35 pm -
Nonstop3h 40m
Fri 10/28:55 pm -
Nonstop4h 15m
Deal found 8/12![Southwest logo]()
$258
This Delta deal was found by Cheapflights users on 8/12. 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 am -
2 stops12h 19m
Tue 11/176:00 am -
2 stops13h 30m
Deal found 8/12![Delta logo]()
$287
This Southwest deal was found by Cheapflights users on 8/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:00 pm -
Nonstop3h 45m
Fri 10/95:40 pm -
1 stop8h 30m
Deal found 8/12![Southwest logo]()
$268
This United Airlines deal was found by Cheapflights users on 8/15. 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 10/111:52 pm -
Nonstop3h 25m
Sun 10/410:34 pm -
Nonstop3h 56m
Deal found 8/15![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 8/10. 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.
Sat 9/2612:15 pm -
Nonstop4h 10m
Tue 9/298:20 am -
Nonstop4h 28m
Deal found 8/10![Delta logo]()
$291
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:50 am -
1 stop6h 10m
Tue 10/2010:35 am -
2 stops7h 50m
Deal found 8/13![Southwest logo]()
$287
This United Airlines deal was found by Cheapflights users on 8/15. 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 10/225:56 pm -
Nonstop3h 29m
Tue 10/275:20 pm -
Nonstop4h 10m
Deal found 8/15![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 8/14. 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 12/35:30 pm -
Nonstop3h 39m
Mon 12/76:15 pm -
Nonstop4h 35m
Deal found 8/14![Delta logo]()
$297
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:50 am -
1 stop5h 50m
Wed 9/3012:00 pm -
2 stops7h 20m
Deal found 8/13![Southwest logo]()
$287
This United Airlines deal was found by Cheapflights users on 8/11. 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 10/65:56 pm -
Nonstop3h 29m
Sat 10/1012:40 pm -
Nonstop3h 49m
Deal found 8/11![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 8/11. 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 9/12:54 pm -
1 stop6h 30m
Sat 9/55:00 pm -
Nonstop4h 48m
Deal found 8/11![Delta logo]()
$321
This Southwest deal was found by Cheapflights users on 8/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:10 am -
Nonstop3h 40m
Wed 10/218:55 pm -
Nonstop4h 15m
Deal found 8/15![Southwest logo]()
$292
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:15 am -
1 stop7h 39m
Thu 9/248:00 am -
Nonstop4h 02m
Deal found 8/14![United Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 8/15. 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 9/111:40 am -
Nonstop3h 50m
Tue 9/86:17 pm -
Nonstop4h 18m
Deal found 8/15![Delta logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:59 pm -
2 stops33h 00m
Sun 10/257:22 am -
1 stop11h 37m
Deal found 8/11![Alaska Airlines logo]()
$474
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:05 am -
Nonstop3h 40m
Tue 9/83:15 pm -
1 stop6h 30m
Deal found 8/13![Southwest logo]()
$296
This United Airlines deal was found by Cheapflights users on 8/15. 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 11/182:00 pm -
Nonstop3h 31m
Wed 12/98:00 pm -
1 stop5h 55m
Deal found 8/15![United Airlines logo]()
$331
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:22 am -
2 stops13h 07m
Sat 10/36:30 am -
1 stop10h 02m
Deal found 8/11![Alaska Airlines logo]()
$478
This American Airlines deal was found by Cheapflights users on 8/15. 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 12/2212:37 pm -
1 stop19h 23m
Thu 12/247:30 pm -
1 stop18h 37m
Deal found 8/15![American Airlines logo]()
$527
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:00 am -
2 stops8h 30m
Wed 12/26:20 pm -
1 stop6h 15m
Deal found 8/13![Southwest logo]()
$306
This United Airlines deal was found by Cheapflights users on 8/12. 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 12/216:00 am -
1 stop5h 49m
Tue 1/127:00 am -
1 stop6h 18m
Deal found 8/12![United Airlines logo]()
$338
This Delta deal was found by Cheapflights users on 8/11. 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 10/231:25 pm -
1 stop6h 39m
Sun 10/256:05 am -
1 stop5h 57m
Deal found 8/11![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 8/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:00 pm -
1 stop5h 55m
Wed 9/94:50 pm -
1 stop5h 00m
Deal found 8/12![Southwest logo]()
$307
This Delta deal was found by Cheapflights users on 8/15. 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 9/412:59 am -
1 stop5h 37m
Mon 9/76:02 am -
1 stop6h 53m
Deal found 8/15![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:40 am -
1 stop6h 41m
Sat 9/52:43 pm -
1 stop6h 04m
Deal found 8/12![United Airlines logo]()
$341
Last-minute flights from Colorado to PennsylvaniaDiscover last-minute flight deals from Colorado to Pennsylvania. Data last updated August 16, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Pennsylvania. Data last updated August 16, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 8/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:59 pm -
Nonstop3h 40m
Fri 8/288:37 pm -
Nonstop4h 27m
Deal found 8/10![Frontier logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 8/3111:59 pm -
1 stop15h 15m
Thu 9/38:59 am -
1 stop11h 01m
Deal found 8/12![Frontier logo]()
$228
This Frontier deal was found by Cheapflights users on 8/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:55 pm -
1 stop9h 35m
Thu 9/38:30 am -
1 stop7h 31m
Deal found 8/13![Frontier logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 9/36:30 am -
1 stop8h 44m
Wed 9/94:36 pm -
1 stop7h 13m
Deal found 8/12![Frontier logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/46:30 am -
1 stop8h 44m
Mon 9/76:09 pm -
2 stops39h 55m
Deal found 8/11![Frontier logo]()
$226
This Cheapflightsfares deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/411:00 am -
1 stop10h 29m
Sun 9/68:37 pm -
Nonstop4h 27m
Deal found 8/14![Frontier logo]()
$227
This Southwest deal was found by Cheapflights users on 8/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:00 am -
1 stop7h 10m
Tue 9/1512:00 pm -
2 stops7h 20m
Deal found 8/12![Southwest logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/117:10 pm -
1 stop10h 06m
Thu 9/176:00 am -
1 stop7h 59m
Deal found 8/14![Frontier logo]()
$225
This Super.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:45 am -
Nonstop3h 26m
Wed 9/161:00 pm -
Nonstop3h 51m
Deal found 8/13![Frontier logo]()
$226
This Super.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1811:23 am -
Nonstop3h 36m
Mon 9/217:00 am -
Nonstop4h 03m
Deal found 8/13![Frontier logo]()
$228
This Super.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:28 pm -
Nonstop3h 31m
Fri 10/21:06 pm -
Nonstop3h 51m
Deal found 8/11![Frontier logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 9/257:10 pm -
1 stop20h 08m
Wed 9/307:50 am -
2 stops14h 25m
Deal found 8/12![Frontier logo]()
$229
One-way flights from Colorado to PennsylvaniaSearch for one-way flight options from Colorado to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated August 16, 2026.
Search for one-way flight options from Colorado to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated August 16, 2026.
This Super.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:12 pm -
1 stop16h 35m
Deal found 8/11![Frontier logo]()
$92
This Super.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:12 pm -
1 stop16h 35m
Deal found 8/11![Frontier logo]()
$94
This Frontier deal was found by Cheapflights users on 8/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:59 pm -
1 stop11h 48m
Deal found 8/11![Frontier logo]()
$95
This iWofly deal was found by Cheapflights users on 8/12. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:12 pm -
1 stop16h 35m
Deal found 8/12![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/157:12 pm -
1 stop16h 35m
Deal found 8/13![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 11/126:55 am -
1 stop14h 11m
Deal found 8/14![Multiple Airlines logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/147:12 pm -
1 stop16h 35m
Deal found 8/13![Frontier logo]()
$115
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:45 am -
1 stop6h 20m
Deal found 8/13![Southwest logo]()
$117
This Frontier deal was found by Cheapflights users on 8/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:05 am -
1 stop9h 33m
Deal found 8/13![Frontier logo]()
$117
This United Airlines deal was found by Cheapflights users on 8/11. 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 11/115:47 pm -
Nonstop3h 02m
Deal found 8/11![United Airlines logo]()
$118
This Frontier deal was found by Cheapflights users on 8/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:30 am -
1 stop8h 44m
Deal found 8/13![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 10/146:57 pm -
2 stops24h 28m
Deal found 8/12![Multiple Airlines logo]()
$120
Find flight deals from Colorado to Pennsylvania
Keep the following information in mind while searching for Colorado to Pennsylvania flight deals. Data was last updated August 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $225 (Kiwi.com) |
One-way from | $92 (Super.com) |
Popular in | June |
Cheapest in | February |
Average price | $353 |
Good round-trip deal | $171 or less |
Good one-way deal | $89 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado to Pennsylvania 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 August 16, 2026.
Use the filters below to find and compare flights from Colorado to Pennsylvania that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverPhiladelphia
DEN Denver Intl - PHL Philadelphia
DENPHL
Denver Intl
Wed 9/9
6:35 am-4:00 pm
2 stops7h 25m
Philadelphia
Tue 9/15
1:45 pm-7:45 pm
2 stops8h 00m
$247
DenverNew York
DEN Denver Intl - LGA New York LaGuardia
DENLGA
Denver Intl
Fri 11/6
11:20 am-5:00 pm
Nonstop3h 40m
New York LaGuardia
Mon 11/9
1:59 pm-4:28 pm
Nonstop4h 29m
$258
DenverNew York
DEN Denver Intl - LGA New York LaGuardia
DENLGA
Denver Intl
Tue 9/29
2:35 pm-8:15 pm
Nonstop3h 40m
New York LaGuardia
Fri 10/2
8:55 pm-11:10 pm
Nonstop4h 15m
$258
DenverNew York
DEN Denver Intl - LGA New York LaGuardia
DENLGA
Denver Intl
Tue 10/6
5:00 pm-10:45 pm
Nonstop3h 45m
New York LaGuardia
Fri 10/9
5:40 pm-12:10 am
1 stop8h 30m
$268
DenverPhiladelphia
DEN Denver Intl - PHL Philadelphia
DENPHL
Denver Intl
Thu 9/17
11:59 pm-9:43 am
1 stop7h 44m
Philadelphia
Mon 9/21
10:05 am-12:10 pm
Nonstop4h 05m
$281
Colorado SpringsNew York
COS Colorado Springs - JFK New York John F Kennedy Intl
COSJFK
Colorado Springs
Wed 11/11
6:00 am-8:19 pm
2 stops12h 19m
New York John F Kennedy Intl
Tue 11/17
6:00 am-5:30 pm
2 stops13h 30m
$287
DenverWashington, D.C.
DEN Denver Intl - DCA Washington, D.C. Reagan-National
DENDCA
Denver Intl
Thu 10/8
5:50 am-2:00 pm
1 stop6h 10m
Washington, D.C. Reagan-National
Tue 10/20
10:35 am-4:25 pm
2 stops7h 50m
$287
DenverWashington, D.C.
DEN Denver Intl - DCA Washington, D.C. Reagan-National
DENDCA
Denver Intl
Mon 9/28
7:50 am-3:40 pm
1 stop5h 50m
Washington, D.C. Reagan-National
Wed 9/30
12:00 pm-5:20 pm
2 stops7h 20m
$287
DenverNew York
DEN Denver Intl - JFK New York John F Kennedy Intl
DENJFK
Denver Intl
Sat 9/26
12:15 pm-6:25 pm
Nonstop4h 10m
New York John F Kennedy Intl
Tue 9/29
8:20 am-10:48 am
Nonstop4h 28m
$291
DenverNew York
DEN Denver Intl - LGA New York LaGuardia
DENLGA
Denver Intl
Mon 10/19
6:10 am-11:50 am
Nonstop3h 40m
New York LaGuardia
Wed 10/21
8:55 pm-11:10 pm
Nonstop4h 15m
$292
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Colorado to Pennsylvania
Have a flexible travel schedule? Discover the best time to fly to Pennsylvania from Colorado with our price prediction graph.
DEN-PHL
DEN-IAD
DEN-DCA
DEN-LGA
COS-LGA
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 Pennsylvania
USCO-USPA
DEN-PHL
DEN-IAD
DEN-DCA
DEN-LGA
What is the cheapest month to book a flight from Colorado to Pennsylvania?
Currently, February is the cheapest month in which you can book a flight from Colorado to Pennsylvania (average of $337). Flying from Colorado to Pennsylvania in June is currently the most expensive (average of $488). 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 CO to PA?
Find hourly flight availability from Colorado to Pennsylvania. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 16, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 12% on flights from Colorado to Pennsylvania by exploring options for tickets in the afternoon.
Weekly flight availability from Colorado to Pennsylvania
Explore weekly flight availability from Colorado to Pennsylvania. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 16, 2026.
The most flights from USCO to USPA are scheduled on a Friday (24 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).
How much does it cost to fly round-trip from Colorado to Pennsylvania?
Airfare is below average for this route at the moment.
Colorado to Pennsylvania flights typically cost between $250 and $453 in September.The cheapest round-trip price found within the last 5 days was $225 on Frontier (Sep 11-Sep 17).
How far ahead should I book a flight from Colorado to Pennsylvania?
Booking 35 days in advance of your planned departure date is, on average, the best time to get cheap flights from Colorado to Pennsylvania. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest day to fly from Colorado to Pennsylvania?
Use this chart to determine the cheapest time to fly round-trip from Colorado to Pennsylvania. Price data was last updated on August 8, 2026.
Travelers seeking maximum savings on their Colorado to Pennsylvania flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Pennsylvania
Get insights into the airlines that provide service to Pennsylvania. 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 Pennsylvania. Reviews last updated August 16, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Colorado to Pennsylvania have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Related info for your journey
Find useful and relevant information for your journey from Colorado to Pennsylvania. 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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Alternative routes for Colorado to Pennsylvania
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Pennsylvania by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Colorado to Pennsylvania by cabin class
Find flights from Colorado to Pennsylvania, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Colorado and Pennsylvania flights
Browse other Colorado and Pennsylvania flight options. Last updated on August 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Pennsylvania
Find the right flight back to Colorado after your stay in Pennsylvania
Colorado to Pennsylvania flights
Consider these flights traveling from Colorado to Pennsylvania.
Top 7 airlines flying from Colorado to Pennsylvania
Discover the top 7 airlines that operate flights from Colorado to Pennsylvania. 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 August 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$104 | Average$251 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$122 | Average$300 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$124 | Average$204 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$128 | Average$397 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$139 | Average$472 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$188 | Average$454 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$228 | Average$490 | FlexibilityNo cancel fee | On-time63% |