$94+ Cheap flights from Pennsylvania 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — DEN
Sep 16 — Sep 231
Round-trip
1 adult, Economy
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Find cheap flights from Pennsylvania 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
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Cheapest flights from Pennsylvania to ColoradoExplore the most affordable flight options available from Pennsylvania to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
Explore the most affordable flight options available from Pennsylvania to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
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 9/48:37 pm -
Nonstop4h 27m
Sat 9/511:00 am -
1 stop9h 47m
Deal found 8/14![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.
Wed 9/28:00 am -
1 stop29h 19m
Tue 9/810:49 pm -
1 stop23h 06m
Deal found 8/14![Frontier logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/78:37 pm -
Nonstop4h 27m
Thu 9/177:00 am -
1 stop7h 27m
Deal found 8/16![Frontier logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/176:00 am -
1 stop7h 59m
Mon 9/219:19 pm -
2 stops23h 59m
Deal found 8/16![Frontier logo]()
$230
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.
Mon 9/282:49 pm -
1 stop8h 54m
Thu 10/87:37 pm -
Nonstop3h 39m
Deal found 8/14![Frontier logo]()
$231
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 9/2512:10 pm -
1 stop9h 27m
Mon 9/287:12 pm -
1 stop12h 18m
Deal found 8/14![Frontier logo]()
$232
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 10/65:32 pm -
1 stop16h 32m
Fri 10/99:12 pm -
2 stops19h 03m
Deal found 8/13![Frontier logo]()
$233
This Frontier deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 10/912:58 pm -
1 stop11h 32m
Sat 10/177:02 pm -
1 stop12h 30m
Deal found 8/16![Frontier logo]()
$234
This Cheapflightsfares deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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.
Thu 10/85:50 am -
Nonstop4h 10m
Sat 10/107:37 pm -
Nonstop3h 39m
Deal found 8/16![Frontier logo]()
$235
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.
Sun 9/610:22 am -
1 stop8h 23m
Thu 9/108:00 am -
1 stop7h 20m
Deal found 8/12![Multiple Airlines logo]()
$236
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.
Sat 12/128:00 pm -
1 stop5h 55m
Wed 12/303:11 pm -
1 stop6h 33m
Deal found 8/12![United Airlines logo]()
$237
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 9/14:45 pm -
1 stop7h 20m
Sun 9/69:55 am -
1 stop11h 58m
Deal found 8/13![Frontier logo]()
$238
Best flights from Pennsylvania to ColoradoDiscover carefully curated flight deals from Pennsylvania to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
Discover carefully curated flight deals from Pennsylvania to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 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.
Sat 9/51:20 pm -
1 stop7h 20m
Fri 9/112:40 pm -
1 stop6h 05m
Deal found 8/12![Southwest logo]()
$250
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 10/98:30 am -
Nonstop4h 34m
Sat 10/176:30 am -
Nonstop3h 44m
Deal found 8/12![Delta logo]()
$281
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.
Fri 9/113:48 pm -
Nonstop4h 07m
Mon 9/1411:59 pm -
1 stop7h 44m
Deal found 8/12![United Airlines logo]()
$306
This JetBlue deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:00 pm -
Nonstop4h 21m
Sat 10/103:15 pm -
Nonstop3h 53m
Deal found 8/16![JetBlue logo]()
$337
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:34 am -
1 stop7h 01m
Fri 9/187:16 am -
1 stop5h 57m
Deal found 8/14![American Airlines logo]()
$385
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.
Fri 2/54:00 pm -
1 stop27h 46m
Sat 2/135:26 pm -
1 stop11h 39m
Deal found 8/14![Alaska Airlines logo]()
$489
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.
Fri 9/114:55 pm -
1 stop5h 00m
Fri 9/186:00 am -
1 stop7h 40m
Deal found 8/12![Southwest logo]()
$279
This Delta deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/98:20 am -
Nonstop4h 28m
Sat 9/126:35 am -
Nonstop3h 44m
Deal found 8/16![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.
Wed 10/143:10 pm -
1 stop7h 45m
Sun 10/187:25 am -
1 stop6h 40m
Deal found 8/12![Southwest logo]()
$281
This United Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/254:51 pm -
Nonstop3h 24m
Mon 9/285:37 pm -
Nonstop3h 07m
Deal found 8/16![United Airlines logo]()
$317
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.
Sun 9/69:00 am -
1 stop5h 55m
Wed 9/96:00 am -
1 stop8h 13m
Deal found 8/12![Delta logo]()
$289
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/217:25 pm -
Nonstop4h 03m
Sat 12/2611:59 pm -
Nonstop3h 20m
Deal found 8/13![United Airlines logo]()
$319
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 8/286:05 pm -
Nonstop4h 46m
Wed 9/211:40 am -
Nonstop3h 50m
Deal found 8/12![Delta logo]()
$291
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.
Fri 8/289:05 pm -
Nonstop4h 10m
Wed 9/22:50 pm -
1 stop5h 05m
Deal found 8/12![Southwest logo]()
$301
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.
Sat 12/1910:12 pm -
Nonstop4h 03m
Mon 12/285:55 pm -
Nonstop3h 26m
Deal found 8/14![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/105:40 pm -
Nonstop4h 35m
Sat 9/126:35 am -
Nonstop3h 44m
Deal found 8/16![Delta logo]()
$292
This Southwest deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 10/112:05 pm -
1 stop8h 05m
Mon 10/53:05 pm -
Nonstop3h 45m
Deal found 8/16![Southwest logo]()
$307
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:34 pm -
Nonstop3h 56m
Tue 9/2211:59 pm -
Nonstop3h 26m
Deal found 8/13![United Airlines logo]()
$319
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:50 am -
Nonstop4h 28m
Sun 12/67:10 am -
Nonstop3h 41m
Deal found 8/13![Delta logo]()
$306
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.
Fri 10/306:00 am -
1 stop5h 10m
Sun 11/12:10 pm -
2 stops6h 45m
Deal found 8/13![Southwest logo]()
$308
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 12/2110:35 pm -
Nonstop4h 03m
Fri 1/15:55 pm -
Nonstop3h 26m
Deal found 8/12![United Airlines logo]()
$319
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/226:53 pm -
2 stops24h 53m
Mon 1/256:26 pm -
1 stop10h 10m
Deal found 8/15![Alaska Airlines logo]()
$494
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.
Sun 10/187:35 pm -
1 stop5h 05m
Wed 10/217:00 am -
1 stop7h 05m
Deal found 8/13![Southwest logo]()
$311
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:43 pm -
1 stop8h 28m
Fri 11/135:04 pm -
1 stop5h 32m
Deal found 8/13![Delta logo]()
$315
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.
Sat 9/193:48 pm -
Nonstop4h 07m
Sat 10/175:37 pm -
Nonstop3h 43m
Deal found 8/14![United Airlines logo]()
$321
This Alaska Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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.
Mon 1/2510:00 am -
1 stop9h 46m
Mon 2/16:26 pm -
2 stops23h 06m
Deal found 8/17![Alaska Airlines logo]()
$494
This Southwest deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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.
Sat 9/123:20 pm -
Nonstop3h 20m
Mon 9/146:00 pm -
Nonstop3h 15m
Deal found 8/16![Southwest logo]()
$317
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 10/23:04 pm -
1 stop8h 43m
Sat 10/106:20 am -
1 stop7h 46m
Deal found 8/17![Delta logo]()
$326
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:30 am -
2 stops13h 29m
Tue 10/137:53 am -
1 stop9h 32m
Deal found 8/12![American Airlines logo]()
$584
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/278:00 am -
Nonstop4h 02m
Sat 10/38:51 am -
1 stop7h 03m
Deal found 8/13![United Airlines logo]()
$330
Last-minute flights from Pennsylvania to ColoradoDiscover last-minute flight deals from Pennsylvania to Colorado. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from Pennsylvania to Colorado. Data last updated August 17, 2026 and is based on user searches.
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 9/14:45 pm -
1 stop7h 20m
Sun 9/69:55 am -
1 stop11h 58m
Deal found 8/13![Frontier logo]()
$238
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.
Wed 9/28:00 am -
1 stop29h 19m
Tue 9/810:49 pm -
1 stop23h 06m
Deal found 8/14![Frontier logo]()
$228
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.
Thu 9/37:00 am -
1 stop16h 41m
Wed 9/99:19 pm -
2 stops18h 55m
Deal found 8/13![Frontier logo]()
$233
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 9/48:37 pm -
Nonstop4h 27m
Sat 9/511:00 am -
1 stop9h 47m
Deal found 8/14![Frontier logo]()
$227
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:37 pm -
Nonstop4h 27m
Mon 9/711:59 pm -
Nonstop3h 40m
Deal found 8/12![Frontier logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/55:41 pm -
1 stop6h 08m
Thu 9/101:39 pm -
1 stop7h 03m
Deal found 8/16![Frontier logo]()
$237
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.
Sun 9/610:22 am -
1 stop8h 23m
Thu 9/108:00 am -
1 stop7h 20m
Deal found 8/12![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/78:37 pm -
Nonstop4h 27m
Thu 9/177:00 am -
1 stop7h 27m
Deal found 8/16![Frontier logo]()
$229
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 9/810:15 pm -
1 stop13h 52m
Wed 9/169:19 pm -
2 stops47h 59m
Deal found 8/13![Frontier logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/176:00 am -
1 stop7h 59m
Mon 9/219:19 pm -
2 stops23h 59m
Deal found 8/16![Frontier logo]()
$230
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 9/2512:10 pm -
1 stop9h 27m
Mon 9/287:12 pm -
1 stop12h 18m
Deal found 8/14![Frontier logo]()
$232
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.
Mon 9/285:32 pm -
1 stop16h 32m
Fri 10/29:19 pm -
2 stops17h 08m
Deal found 8/15![Frontier logo]()
$231
One-way flights from Pennsylvania to ColoradoSearch for one-way flight options from Pennsylvania to Colorado. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
Search for one-way flight options from Pennsylvania to Colorado. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
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.
Wed 9/27:10 pm -
1 stop14h 23m
Deal found 8/13![Frontier logo]()
$94
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:10 pm -
1 stop14h 57m
Deal found 8/13![Frontier logo]()
$95
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/122:32 pm -
1 stop19h 05m
Deal found 8/13![Frontier logo]()
$96
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.
Sun 11/1512:16 pm -
1 stop27h 17m
Deal found 8/15![Multiple Airlines logo]()
$97
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:42 pm -
1 stop26h 55m
Deal found 8/13![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/207:04 pm -
1 stop29h 39m
Deal found 8/16![Multiple Airlines logo]()
$100
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 9/152:42 pm -
1 stop19h 10m
Deal found 8/13![Frontier logo]()
$102
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.
Sun 9/137:04 pm -
1 stop24h 12m
Deal found 8/14![Multiple Airlines logo]()
$106
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.
Thu 9/107:04 pm -
1 stop24h 12m
Deal found 8/13![Multiple Airlines logo]()
$113
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:32 pm -
1 stop19h 05m
Deal found 8/14![Frontier logo]()
$115
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.
Mon 9/287:50 am -
2 stops15h 49m
Deal found 8/15![Frontier logo]()
$117
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.
Sat 9/126:00 am -
2 stops6h 50m
Deal found 8/13![Southwest logo]()
$117
Find flight deals from Pennsylvania to Colorado
Keep the following information in mind while searching for Pennsylvania to Colorado flight deals. Data was last updated August 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $227 (Cheapflightsfares) |
One-way from | $94 (Super.com) |
Popular in | June |
Cheapest in | January |
Average price | $388 |
Good round-trip deal | $155 or less |
Good one-way deal | $59 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Pennsylvania 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 August 17, 2026.
Use the filters below to find and compare flights from Pennsylvania to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Denver
DCA Washington, D.C. Reagan-National - DEN Denver Intl
DCADEN
Washington, D.C. Reagan-National
Sat 9/5
1:20 pm-6:40 pm
1 stop7h 20m
Denver Intl
Fri 9/11
2:40 pm-10:45 pm
1 stop6h 05m
$250
Washington, D.C.Denver
DCA Washington, D.C. Reagan-National - DEN Denver Intl
DCADEN
Washington, D.C. Reagan-National
Fri 9/11
4:55 pm-7:55 pm
1 stop5h 00m
Denver Intl
Fri 9/18
6:00 am-3:40 pm
1 stop7h 40m
$279
New YorkDenver
JFK New York John F Kennedy Intl - DEN Denver Intl
JFKDEN
New York John F Kennedy Intl
Fri 10/9
8:30 am-11:04 am
Nonstop4h 34m
Denver Intl
Sat 10/17
6:30 am-12:14 pm
Nonstop3h 44m
$281
Washington, D.C.Denver
DCA Washington, D.C. Reagan-National - DEN Denver Intl
DCADEN
Washington, D.C. Reagan-National
Wed 10/14
3:10 pm-8:55 pm
1 stop7h 45m
Denver Intl
Sun 10/18
7:25 am-4:05 pm
1 stop6h 40m
$281
New YorkDenver
JFK New York John F Kennedy Intl - DEN Denver Intl
JFKDEN
New York John F Kennedy Intl
Wed 9/9
8:20 am-10:48 am
Nonstop4h 28m
Denver Intl
Sat 9/12
6:35 am-12:19 pm
Nonstop3h 44m
$287
PhiladelphiaDenver
PHL Philadelphia - DEN Denver Intl
PHLDEN
Philadelphia
Sun 9/6
9:00 am-12:55 pm
1 stop5h 55m
Denver Intl
Wed 9/9
6:00 am-4:13 pm
1 stop8h 13m
$289
New YorkDenver
LGA New York LaGuardia - DEN Denver Intl
LGADEN
New York LaGuardia
Fri 8/28
6:05 pm-8:51 pm
Nonstop4h 46m
Denver Intl
Wed 9/2
11:40 am-5:30 pm
Nonstop3h 50m
$291
New YorkDenver
JFK New York John F Kennedy Intl - DEN Denver Intl
JFKDEN
New York John F Kennedy Intl
Thu 9/10
5:40 pm-8:15 pm
Nonstop4h 35m
Denver Intl
Sat 9/12
6:35 am-12:19 pm
Nonstop3h 44m
$292
New YorkDenver
LGA New York LaGuardia - DEN Denver Intl
LGADEN
New York LaGuardia
Fri 8/28
9:05 pm-11:15 pm
Nonstop4h 10m
Denver Intl
Wed 9/2
2:50 pm-9:55 pm
1 stop5h 05m
$301
PhiladelphiaDenver
PHL Philadelphia - DEN Denver Intl
PHLDEN
Philadelphia
Fri 9/11
3:48 pm-5:55 pm
Nonstop4h 07m
Denver Intl
Mon 9/14
11:59 pm-9:43 am
1 stop7h 44m
$306
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Pennsylvania to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from Pennsylvania with our price prediction graph.
DCA-DEN
JFK-DEN
PHL-DEN
PIT-DEN
JFK-EGE
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 Pennsylvania to Colorado
USPA-USCO
DCA-DEN
JFK-DEN
PHL-DEN
PIT-DEN
What is the cheapest month to book a flight from Pennsylvania to Colorado?
Currently, January is the cheapest month in which you can book a flight from Pennsylvania to Colorado (average of $349). Flying from Pennsylvania to Colorado in June is currently the most expensive (average of $476). 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 PA to CO?
Find hourly flight availability from Pennsylvania to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 17, 2026.
It’s typically best to fly out from Pennsylvania to Colorado in the evening. Doing so could potentially save you 23% on the flight price compared to flying in the afternoon, which is usually more expensive.
Weekly flight availability from Pennsylvania to Colorado
Explore weekly flight availability from Pennsylvania to Colorado. 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 17, 2026.
The most flights from USPA to USCO are scheduled on a Friday (19 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).
How much does it cost to fly round-trip from Pennsylvania to Colorado?
Airfare is below average for this route at the moment.
Pennsylvania to Colorado flights typically cost between $302 and $480 in September.The cheapest round-trip price found within the last 5 days was $227 on Frontier (Sep 4-Sep 5).
How far ahead should I book a flight from Pennsylvania to Colorado?
Booking 27 days in advance of your planned departure date is, on average, the best time to get cheap flights from Pennsylvania to Colorado. 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 Pennsylvania to Colorado?
Use this chart to determine the cheapest time to fly round-trip from Pennsylvania to Colorado. Price data was last updated on August 15, 2026.
Travelers seeking maximum savings on their Pennsylvania to Colorado flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 August 17, 2026.
Read through reviews of airlines operating flights from Pennsylvania to Colorado, such as Southwest,United Airlines, andAllegiant Air. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Pennsylvania to Colorado. 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 Pennsylvania 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 Pennsylvania to Colorado by cabin class
Find flights from Pennsylvania to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Pennsylvania and Colorado flights
Browse other Pennsylvania and Colorado flight options. Last updated on August 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Colorado
Find the right flight back to Pennsylvania after your stay in Colorado
Pennsylvania to Colorado flights
Consider these flights traveling from Pennsylvania to Colorado.
Top 7 airlines flying from Pennsylvania to Colorado
Discover the top 7 airlines that operate flights from Pennsylvania 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 August 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$72 | Average$237 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$143 | Average$257 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$169 | Average$416 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$177 | Average$450 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$184 | Average$480 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$187 | Average$481 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$220 | Average$367 | FlexibilityNo cancel fee | On-time62% |