$114+ Cheap flights from Pennsylvania to Denver (DEN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — DEN
Oct 12 — Oct 191
Round-trip
1 adult, Economy
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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 DenverExplore the most affordable flight options available from Pennsylvania to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
Explore the most affordable flight options available from Pennsylvania to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:00 pm -
Nonstop4h 09m
Sun 11/156:45 am -
Nonstop3h 24m
Deal found 9/11![Frontier logo]()
$168
This Super.com deal was found by Cheapflights users on 9/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:30 am -
Nonstop3h 46m
Fri 10/210:14 am -
Nonstop3h 28m
Deal found 9/10![Allegiant Air logo]()
$211
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:00 pm -
Nonstop4h 10m
Sun 11/156:45 am -
Nonstop3h 24m
Deal found 9/11![Frontier logo]()
$217
This Frontier deal was found by Cheapflights users on 9/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:50 am -
Nonstop4h 10m
Tue 10/206:56 pm -
1 stop27h 42m
Deal found 9/8![Frontier logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Sat 10/318:39 am -
1 stop14h 53m
Sat 11/710:48 am -
2 stops10h 36m
Deal found 9/7![Frontier logo]()
$222
This Cheapflightsfares deal was found by Cheapflights users on 9/7. 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.
Sat 10/1012:35 pm -
1 stop10h 56m
Fri 10/166:57 pm -
1 stop10h 24m
Deal found 9/7![Frontier logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Wed 10/78:41 am -
1 stop14h 22m
Wed 10/146:12 pm -
Nonstop3h 38m
Deal found 9/7![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Sat 10/175:20 pm -
1 stop16h 46m
Tue 10/206:57 pm -
1 stop10h 24m
Deal found 9/7![Frontier logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Thu 10/85:50 am -
Nonstop4h 10m
Sat 10/107:37 pm -
Nonstop3h 39m
Deal found 9/8![Frontier logo]()
$228
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:50 am -
Nonstop4h 10m
Sun 10/258:55 pm -
1 stop21h 09m
Deal found 9/9![Frontier logo]()
$229
This Frontier deal was found by Cheapflights users on 9/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:58 pm -
1 stop11h 13m
Tue 10/137:37 pm -
Nonstop3h 39m
Deal found 9/8![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Sat 10/108:30 am -
1 stop15h 01m
Mon 10/126:57 pm -
1 stop10h 24m
Deal found 9/7![Frontier logo]()
$231
Best flights from Pennsylvania to DenverDiscover carefully curated flight deals from Pennsylvania to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
Discover carefully curated flight deals from Pennsylvania to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
This JetBlue deal was found by Cheapflights users on 9/11. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:40 am -
1 stop7h 07m
Sat 11/1412:40 pm -
1 stop6h 49m
Deal found 9/11![JetBlue logo]()
$269
This Delta deal was found by Cheapflights users on 9/8. 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.
Mon 10/265:40 pm -
Nonstop4h 33m
Sun 11/16:35 am -
Nonstop3h 44m
Deal found 9/8![Delta logo]()
$277
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:55 pm -
Nonstop4h 20m
Sun 11/18:30 am -
1 stop5h 15m
Deal found 9/10![Southwest logo]()
$287
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 11/117:33 pm -
1 stop5h 58m
Mon 11/235:45 pm -
Nonstop3h 02m
Deal found 9/9![United Airlines logo]()
$327
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Sat 10/176:40 pm -
1 stop6h 12m
Sat 10/249:03 am -
1 stop7h 07m
Deal found 9/7![American Airlines logo]()
$383
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:30 am -
2 stops19h 29m
Sat 10/247:07 am -
1 stop9h 22m
Deal found 9/9![Alaska Airlines logo]()
$526
This Sun Country Air deal was found by Cheapflights users on 9/11. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/3111:50 am -
1 stop8h 30m
Sun 1/37:15 pm -
1 stop13h 35m
Deal found 9/11![Sun Country Air logo]()
$545
This Delta deal was found by Cheapflights users on 9/8. 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 10/38:20 am -
Nonstop4h 28m
Tue 10/612:15 pm -
Nonstop4h 03m
Deal found 9/8![Delta logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 11/67:34 pm -
2 stops28h 00m
Mon 11/910:40 am -
1 stop9h 59m
Deal found 9/8![Multiple Airlines logo]()
$609
This Southwest deal was found by Cheapflights users on 9/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:30 am -
2 stops8h 45m
Wed 11/41:15 pm -
2 stops7h 40m
Deal found 9/11![Southwest logo]()
$307
This JetBlue deal was found by Cheapflights users on 9/11. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/88:21 pm -
Nonstop4h 38m
Tue 12/1511:30 pm -
1 stop7h 01m
Deal found 9/11![JetBlue logo]()
$326
This Delta deal was found by Cheapflights users on 9/8. 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.
Wed 10/78:30 am -
Nonstop4h 34m
Tue 10/136:35 am -
Nonstop3h 44m
Deal found 9/8![Delta logo]()
$297
This United Airlines deal was found by Cheapflights users on 9/9. 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 11/62:05 pm -
Nonstop4h 08m
Mon 11/94:10 pm -
Nonstop3h 20m
Deal found 9/9![United Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/127:40 am -
1 stop6h 35m
Mon 12/141:15 pm -
Nonstop3h 30m
Deal found 9/10![Southwest logo]()
$323
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/612:40 pm -
Nonstop3h 50m
Tue 10/1311:52 pm -
Nonstop3h 25m
Deal found 9/9![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 9/10. 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 12/27:50 am -
Nonstop4h 35m
Sun 12/67:05 am -
Nonstop3h 42m
Deal found 9/10![Delta logo]()
$320
This JetBlue deal was found by Cheapflights users on 9/11. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/193:45 pm -
1 stop9h 24m
Mon 11/2311:59 pm -
Nonstop3h 36m
Deal found 9/11![JetBlue logo]()
$355
This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:00 pm -
2 stops6h 05m
Sat 11/1410:00 am -
1 stop7h 45m
Deal found 9/8![Southwest logo]()
$342
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Wed 11/182:36 pm -
2 stops11h 12m
Wed 5/511:59 pm -
1 stop9h 14m
Deal found 9/12![American Airlines logo]()
$431
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Sun 10/1810:34 pm -
Nonstop3h 56m
Sat 10/2411:52 pm -
Nonstop3h 25m
Deal found 9/7![United Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/176:25 pm -
Nonstop3h 35m
Mon 12/215:00 am -
1 stop7h 30m
Deal found 9/10![Southwest logo]()
$347
This Delta deal was found by Cheapflights users on 9/11. 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.
Sat 10/178:55 am -
Nonstop4h 26m
Sat 10/248:00 am -
Nonstop3h 43m
Deal found 9/11![Delta logo]()
$357
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 10/25:44 pm -
1 stop6h 00m
Sat 10/311:52 pm -
1 stop7h 54m
Deal found 9/11![United Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 10/95:31 pm -
1 stop7h 27m
Tue 10/2010:39 am -
2 stops10h 52m
Deal found 9/9![American Airlines logo]()
$453
This Southwest deal was found by Cheapflights users on 9/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:35 pm -
1 stop5h 05m
Tue 10/63:15 pm -
1 stop5h 40m
Deal found 9/7![Southwest logo]()
$350
This Delta deal was found by Cheapflights users on 9/7. 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.
Mon 11/166:15 pm -
Nonstop4h 35m
Thu 11/196:15 am -
1 stop7h 37m
Deal found 9/7![Delta logo]()
$357
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 10/102:43 pm -
Nonstop3h 50m
Mon 10/1211:52 pm -
Nonstop3h 25m
Deal found 9/11![United Airlines logo]()
$365
This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:25 am -
2 stops10h 10m
Mon 11/912:15 pm -
2 stops9h 00m
Deal found 9/8![Southwest logo]()
$351
This Delta deal was found by Cheapflights users on 9/8. 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 11/18:29 am -
Nonstop4h 35m
Mon 11/25:00 pm -
1 stop5h 59m
Deal found 9/8![Delta logo]()
$360
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Wed 11/185:35 pm -
1 stop7h 09m
Wed 5/56:00 am -
1 stop5h 51m
Deal found 9/12![United Airlines logo]()
$379
Last-minute flights from Pennsylvania to DenverDiscover last-minute flight deals from Pennsylvania to Denver. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Pennsylvania to Denver. Data last updated September 12, 2026 and is based on user searches.
This Jettzy deal was found by Cheapflights users on 9/10. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:30 am -
Nonstop3h 46m
Fri 9/259:36 am -
Nonstop3h 32m
Deal found 9/10![Allegiant Air logo]()
$245
This Super.com deal was found by Cheapflights users on 9/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:30 am -
Nonstop3h 46m
Fri 10/210:14 am -
Nonstop3h 28m
Deal found 9/10![Allegiant Air logo]()
$211
This Orbitz deal was found by Cheapflights users on 9/9. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:36 pm -
1 stop7h 13m
Sun 10/47:12 pm -
1 stop13h 05m
Deal found 9/9![Frontier logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Wed 9/301:00 pm -
Nonstop3h 51m
Thu 10/154:33 pm -
Nonstop3h 26m
Deal found 9/9![Frontier logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Wed 9/304:36 pm -
1 stop7h 13m
Wed 10/146:42 pm -
1 stop9h 38m
Deal found 9/10![Frontier logo]()
$248
This CheapOair deal was found by Cheapflights users on 9/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:04 pm -
1 stop26h 20m
Tue 10/67:10 pm -
1 stop27h 00m
Deal found 9/8![Frontier logo]()
$247
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:06 pm -
Nonstop3h 51m
Tue 10/64:28 pm -
Nonstop3h 31m
Deal found 9/9![Frontier logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Sat 10/37:50 am -
1 stop15h 34m
Thu 10/159:19 pm -
2 stops41h 54m
Deal found 9/9![Frontier logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/36:00 pm -
Nonstop3h 52m
Thu 10/154:33 pm -
Nonstop3h 26m
Deal found 9/10![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/59:04 pm -
1 stop13h 00m
Mon 10/1210:45 pm -
1 stop29h 35m
Deal found 9/7![Frontier logo]()
$244
This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/69:04 pm -
1 stop13h 00m
Thu 10/159:19 pm -
1 stop12h 15m
Deal found 9/10![Frontier logo]()
$246
This Frontier deal was found by Cheapflights users on 9/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:06 pm -
1 stop13h 00m
Wed 10/2112:21 pm -
2 stops10h 00m
Deal found 9/9![Frontier logo]()
$245
One-way flights from Pennsylvania to DenverSearch for one-way flight options from Pennsylvania to Denver. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
Search for one-way flight options from Pennsylvania to Denver. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
This Trip.com deal was found by Cheapflights users on 9/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:50 am -
1 stop15h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/69:04 pm -
2 stops26h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/57:50 am -
2 stops15h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$116
This Super.com deal was found by Cheapflights users on 9/11. 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.
Sat 10/312:30 pm -
1 stop11h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Wed 9/307:50 am -
1 stop15h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$118
This Super.com deal was found by Cheapflights users on 9/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:51 pm -
1 stop14h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Wed 10/289:06 pm -
2 stops20h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 9/10. 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.
Thu 10/87:51 pm -
1 stop14h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$125
This Super.com deal was found by Cheapflights users on 9/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
1 stop8h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$126
This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:32 pm -
1 stop27h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Fri 10/29:04 pm -
1 stop26h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$127
This Priceline deal was found by Cheapflights users on 9/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:12 am -
1 stop10h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$128
Find flight deals from Pennsylvania to Denver
Keep the following information in mind while searching for Pennsylvania to Denver flight deals. Data was last updated September 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $168 (Cheapflightsfares) |
One-way from | $114 (Trip.com) |
Popular in | June |
Cheapest in | January |
Average price | $408 |
Good round-trip deal | $171 or less |
Good one-way deal | $80 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Pennsylvania to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 12, 2026.
Use the filters below to find and compare flights from Pennsylvania to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AllentownDenver
ABE Allentown-Bethlehem - DEN Denver Intl
ABEDEN
Allentown-Bethlehem
Mon 10/19
7:30 am-9:24 am
Nonstop3h 54m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$128
AllentownDenver
ABE Allentown-Bethlehem - DEN Denver Intl
ABEDEN
Allentown-Bethlehem
Mon 10/19
4:32 pm-8:06 am
2 stops41h 34m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$150
PittsburghDenver
PIT Pittsburgh - DEN Denver Intl
PITDEN
Pittsburgh
Wed 11/4
8:30 am-10:07 am
Nonstop3h 37m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$159
PittsburghDenver
PIT Pittsburgh - DEN Denver Intl
PITDEN
Pittsburgh
Tue 11/10
5:40 pm-7:15 pm
Nonstop3h 35m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$159
Quickest round-trip
PittsburghDenver
PIT Pittsburgh - DEN Denver Intl
PITDEN
Pittsburgh
Thu 10/15
5:40 am-7:05 am
Nonstop3h 25m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$159
New YorkDenver
LGA New York LaGuardia - DEN Denver Intl
LGADEN
New York LaGuardia
Wed 10/14
6:05 am-12:50 pm
1 stop8h 45m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$159
PhiladelphiaDenver
PHL Philadelphia - DEN Denver Intl
PHLDEN
Philadelphia
Tue 10/27
7:45 am-10:05 am
Nonstop4h 20m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$161
New YorkDenver
LGA New York LaGuardia - DEN Denver Intl
LGADEN
New York LaGuardia
Fri 12/11
6:15 pm-8:47 pm
Nonstop4h 32m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$164
New YorkDenver
LGA New York LaGuardia - DEN Denver Intl
LGADEN
New York LaGuardia
Fri 12/11
8:00 pm-10:30 pm
Nonstop4h 30m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$164
New YorkDenver
LGA New York LaGuardia - DEN Denver Intl
LGADEN
New York LaGuardia
Thu 10/15
4:20 pm-10:40 pm
1 stop8h 20m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$167
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Pennsylvania to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from Pennsylvania with our price prediction graph.
ABE-DEN
PIT-DEN
LGA-DEN
JFK-DEN
PHL-DEN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Pennsylvania to Denver
USPA-DEN
ABE-DEN
PIT-DEN
LGA-DEN
JFK-DEN
What is the cheapest month to book a flight from Pennsylvania to Denver?
Currently, January is the cheapest month in which you can book a flight from Pennsylvania to Denver (average of $335). Flying from Pennsylvania to Denver in March is currently the most expensive (average of $467). 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 DEN?
Find hourly flight availability from Pennsylvania to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 12, 2026.
One of the essential ways to save on airfare from Pennsylvania to Denver is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 25% on airfare.
Weekly flight availability from Pennsylvania to Denver
Explore weekly flight availability from Pennsylvania to Denver. 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 September 12, 2026.
The most flights from USPA to DEN are scheduled on a Monday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).
How much does it cost to fly round-trip from Pennsylvania to Denver?
Airfare is below average for this route at the moment.
Pennsylvania to Denver flights typically cost between $326 and $474 in October.The cheapest round-trip price found within the last 5 days was $220 on Frontier (Oct 11-Oct 20).
How far ahead should I book a flight from Pennsylvania to Denver?
The best time to book flights from Pennsylvania to Denver is 30 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from Pennsylvania to Denver?
Use this chart to determine the cheapest time to fly round-trip from Pennsylvania to Denver. Price data was last updated on September 5, 2026.
Travelers seeking maximum savings on their Pennsylvania to Denver 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.
Related info for your journey
Find useful and relevant information for your journey from Pennsylvania to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsThornton
Westminster
Lakewood
Centennial
Black Hawk
Broomfield
Golden
Wheat Ridge
Silverthorne
Central City
Fort Morgan
Greeley
Cripple Creek
Winter Park
Limon
Frisco
Manitou Springs
Englewood
Glendale
Evergreen
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Denver flight routes
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Alternative routes for Pennsylvania to Denver
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Denver by adding a car rental and/or hotel reservation to your travel itinerary.
Other flights to Denver
Explore flights to Denver departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 12, 2026.
Search flights from Pennsylvania to Denver by cabin class
Find flights from Pennsylvania to Denver, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Pennsylvania and Denver flights
Browse other Pennsylvania and Denver flight options. Last updated on September 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Pennsylvania to Denver flights
Consider these flights traveling from Pennsylvania to Denver.
Top 7 airlines flying from Pennsylvania to Denver
Discover the top 7 airlines that operate flights from Pennsylvania to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$72 | Average$243 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$146 | Average$261 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$169 | Average$363 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$177 | Average$460 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$184 | Average$477 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$211 | Average$357 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$249 | Average$468 | FlexibilityNo cancel fee | On-time63% |