$131+ Cheap flights from Pennsylvania to Colorado
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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — DEN
Oct 29 — Nov 51
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Pennsylvania to Colorado
Cheapest
Best
Last-minute
One-way
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 September 29, 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 September 29, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:36 pm -
1 stop10h 57m
Sun 11/88:55 pm -
1 stop21h 03m
Deal found 9/28![Frontier logo]()
$260
This Cheapflightsfares deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 10/257:37 pm -
Nonstop3h 39m
Deal found 9/28![Frontier logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:10 am -
1 stop15h 02m
Thu 11/269:31 am -
1 stop6h 55m
Deal found 9/28![Frontier logo]()
$263
This Mytrip deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:35 pm -
2 stops21h 42m
Sat 10/246:05 am -
2 stops15h 06m
Deal found 9/28![Frontier logo]()
$264
This Cheapflightsfares deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/168:34 am -
1 stop13h 21m
Wed 12/308:00 am -
Nonstop3h 35m
Deal found 9/28![Frontier logo]()
$265
This Cheapflightsfares deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:50 am -
Nonstop4h 10m
Thu 10/229:44 am -
1 stop19h 34m
Deal found 9/26![Frontier logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:22 pm -
1 stop17h 00m
Sun 11/19:12 pm -
2 stops32h 09m
Deal found 9/27![Frontier logo]()
$267
This Cheapflightsfares deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/179:00 am -
1 stop12h 57m
Tue 12/298:00 am -
Nonstop3h 35m
Deal found 9/28![Frontier logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/248:38 pm -
Nonstop4h 26m
Fri 11/2711:59 pm -
Nonstop3h 26m
Deal found 9/27![Frontier logo]()
$269
This Super.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:50 am -
Nonstop4h 10m
Sun 10/257:37 pm -
Nonstop3h 39m
Deal found 9/25![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/145:50 am -
Nonstop4h 10m
Mon 10/268:45 pm -
1 stop8h 33m
Deal found 9/24![Frontier logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/138:30 am -
2 stops41h 48m
Tue 10/207:37 pm -
Nonstop3h 39m
Deal found 9/24![Frontier logo]()
$272
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 September 29, 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 September 29, 2026.
This Southwest deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/264:40 pm -
Nonstop4h 25m
Thu 1/286:00 pm -
Nonstop3h 25m
Deal found 9/28![Southwest logo]()
$321
This American Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/246:05 am -
1 stop7h 19m
Sat 1/303:45 pm -
1 stop5h 37m
Deal found 9/28![American Airlines logo]()
$325
This United Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:30 am -
1 stop8h 03m
Sat 10/314:10 pm -
1 stop5h 09m
Deal found 9/25![United Airlines logo]()
$325
This Delta deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/241:00 pm -
1 stop9h 11m
Mon 10/268:00 am -
1 stop7h 16m
Deal found 9/24![Delta logo]()
$341
This Super.com deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:30 am -
Nonstop3h 54m
Mon 10/1210:14 am -
Nonstop3h 28m
Deal found 9/28![Allegiant Air logo]()
$490
This Southwest deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/306:40 pm -
Nonstop3h 25m
Mon 11/26:50 pm -
Nonstop2h 50m
Deal found 9/24![Southwest logo]()
$323
This United Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:45 am -
Nonstop4h 20m
Mon 11/92:10 pm -
1 stop7h 20m
Deal found 9/27![United Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:33 pm -
1 stop6h 49m
Mon 12/142:31 pm -
1 stop7h 17m
Deal found 9/26![Delta logo]()
$346
This American Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:53 pm -
1 stop8h 05m
Sat 10/318:45 am -
1 stop6h 15m
Deal found 9/28![American Airlines logo]()
$351
This United Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1010:00 am -
Nonstop4h 20m
Fri 11/136:08 pm -
Nonstop3h 31m
Deal found 9/27![United Airlines logo]()
$331
This Southwest deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/22:55 pm -
1 stop6h 30m
Wed 12/96:00 pm -
Nonstop3h 25m
Deal found 9/26![Southwest logo]()
$331
This Delta deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:32 pm -
2 stops9h 44m
Tue 11/106:00 am -
1 stop8h 12m
Deal found 9/27![Delta logo]()
$356
This American Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:08 am -
1 stop8h 48m
Tue 11/312:54 pm -
1 stop7h 53m
Deal found 9/28![American Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:15 am -
1 stop8h 30m
Tue 11/32:00 pm -
Nonstop3h 31m
Deal found 9/26![United Airlines logo]()
$331
This Southwest deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:40 am -
Nonstop3h 25m
Thu 11/56:50 pm -
Nonstop2h 55m
Deal found 9/25![Southwest logo]()
$345
This Delta deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/292:56 pm -
1 stop7h 20m
Tue 11/171:31 pm -
1 stop8h 19m
Deal found 9/24![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/311:55 am -
2 stops8h 42m
Wed 4/281:39 pm -
1 stop7h 46m
Deal found 9/27![American Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/248:02 am -
Nonstop3h 53m
Wed 12/309:35 am -
Nonstop3h 04m
Deal found 9/26![United Airlines logo]()
$345
This Delta deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:48 am -
2 stops12h 28m
Mon 10/266:07 pm -
2 stops13h 22m
Deal found 9/26![Delta logo]()
$361
This Southwest deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 11/25:50 pm -
1 stop8h 05m
Mon 11/92:10 pm -
2 stops7h 15m
Deal found 9/24![Southwest logo]()
$380
This American Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 1/55:00 am -
1 stop9h 07m
Thu 1/1412:58 pm -
1 stop7h 56m
Deal found 9/24![American Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:40 pm -
1 stop7h 04m
Sun 11/16:00 am -
1 stop6h 13m
Deal found 9/26![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:08 pm -
2 stops12h 14m
Fri 11/136:08 pm -
2 stops13h 57m
Deal found 9/26![Delta logo]()
$380
This Southwest deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:50 am -
Nonstop3h 45m
Mon 11/234:20 pm -
1 stop4h 15m
Deal found 9/28![Southwest logo]()
$387
This American Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/162:32 pm -
1 stop8h 14m
Mon 10/191:07 pm -
1 stop7h 52m
Deal found 9/28![American Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/285:41 pm -
1 stop6h 16m
Tue 11/1712:02 pm -
1 stop7h 31m
Deal found 9/24![United Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/104:53 pm -
1 stop8h 05m
Wed 10/1412:17 pm -
2 stops8h 43m
Deal found 9/24![American Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:00 pm -
1 stop7h 15m
Wed 11/181:06 pm -
1 stop7h 21m
Deal found 9/26![Delta logo]()
$403
This Southwest deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:00 am -
1 stop6h 25m
Sun 11/155:05 pm -
1 stop5h 05m
Deal found 9/27![Southwest logo]()
$411
This United Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:00 am -
1 stop6h 26m
Sun 11/16:00 am -
1 stop6h 16m
Deal found 9/25![United Airlines logo]()
$379
Last-minute flights from Pennsylvania to ColoradoDiscover last-minute flight deals from Pennsylvania to Colorado. Data last updated September 29, 2026 and is based on user searches.
Discover last-minute flight deals from Pennsylvania to Colorado. Data last updated September 29, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:15 am -
1 stop16h 22m
Wed 11/410:43 am -
1 stop10h 33m
Deal found 9/27![Frontier logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/138:30 am -
2 stops41h 48m
Tue 10/207:37 pm -
Nonstop3h 39m
Deal found 9/24![Frontier logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/145:50 am -
Nonstop4h 10m
Mon 10/268:45 pm -
1 stop8h 33m
Deal found 9/24![Frontier logo]()
$271
This Mytrip deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:20 pm -
2 stops16h 45m
Tue 10/209:12 pm -
2 stops19h 03m
Deal found 9/25![Frontier logo]()
$269
This Cheapflightsfares deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:50 am -
Nonstop4h 10m
Thu 10/229:44 am -
1 stop19h 34m
Deal found 9/26![Frontier logo]()
$266
This Mytrip deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:35 pm -
2 stops21h 42m
Sat 10/246:05 am -
2 stops15h 06m
Deal found 9/28![Frontier logo]()
$264
This Cheapflightsfares deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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.
Tue 10/205:50 am -
Nonstop4h 10m
Sun 10/258:55 pm -
1 stop21h 09m
Deal found 9/23![Frontier logo]()
$274
This Super.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:50 am -
Nonstop4h 10m
Sun 10/257:37 pm -
Nonstop3h 39m
Deal found 9/25![Frontier logo]()
$270
This Cheapflightsfares deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 10/257:37 pm -
Nonstop3h 39m
Deal found 9/28![Frontier logo]()
$261
This FlightHub deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:50 am -
Nonstop4h 10m
Sun 11/16:57 pm -
1 stop10h 24m
Deal found 9/27![Frontier logo]()
$275
This deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:24 pm -
Nonstop4h 31m
Sun 11/84:04 pm -
1 stop6h 10m
Deal found 9/26![American Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:22 pm -
1 stop17h 00m
Sun 11/19:12 pm -
2 stops32h 09m
Deal found 9/27![Frontier logo]()
$267
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 September 29, 2026.
Search for one-way flight options from Pennsylvania to Colorado. Find affordable one-way fares based on user searches. Data last updated September 29, 2026.
This Southwest deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 11/76:10 am -
Nonstop3h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Southwest logo]()
$131
This Cheapflightsfares deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:51 pm -
1 stop26h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Frontier logo]()
$137
This Frontier deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/217:51 pm -
1 stop14h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Frontier logo]()
$139
This CheapOair deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:27 pm -
1 stop23h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Frontier logo]()
$140
This Delta deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/2412:49 pm -
1 stop5h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Delta logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:30 am -
Nonstop3h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Allegiant Air logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:51 pm -
2 stops47h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Frontier logo]()
$149
This United Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/294:43 pm -
Nonstop3h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![United Airlines logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:27 pm -
1 stop27h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Frontier logo]()
$153
This Cheapflightsfares deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:59 pm -
1 stop17h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Frontier logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:54 pm -
1 stop24h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$155
This Frontier deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:18 pm -
1 stop13h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Frontier logo]()
$156
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 September 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $260 (Cheapflightsfares) |
One-way from | $131 (Southwest) |
Popular in | June |
Cheapest in | January |
Average price | $431 |
Good round-trip deal | $208 or less |
Good one-way deal | $100 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 7,457,451 searches. Data last updated September 29, 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
PittsburghDenver
PIT Pittsburgh - DEN Denver Intl
PITDEN
Pittsburgh
Sat 11/14
3:50 pm-9:10 pm
1 stop7h 20m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$141
PittsburghDenver
PIT Pittsburgh - DEN Denver Intl
PITDEN
Pittsburgh
Thu 11/26
11:07 am-4:34 pm
1 stop7h 27m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$161
PhiladelphiaDenver
PHL Philadelphia - DEN Denver Intl
PHLDEN
Philadelphia
Tue 11/3
3:35 pm-5:55 pm
Nonstop4h 20m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$161
ScrantonDenver
AVP Wilkes-Barre Scranton - DEN Denver Intl
AVPDEN
Wilkes-Barre Scranton
Tue 12/8
6:37 pm-7:55 pm
2 stops27h 18m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$170
AllentownDenver
ABE Allentown-Bethlehem - DEN Denver Intl
ABEDEN
Allentown-Bethlehem
Mon 11/23
5:14 pm-11:06 pm
1 stop7h 52m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$171
AllentownDenver
ABE Allentown-Bethlehem - DEN Denver Intl
ABEDEN
Allentown-Bethlehem
Sat 10/24
5:43 pm-11:54 pm
1 stop8h 11m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$171
PhiladelphiaDenver
PHL Philadelphia - DEN Denver Intl
PHLDEN
Philadelphia
Thu 10/29
5:20 am-9:36 am
1 stop6h 16m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$171
PhiladelphiaDenver
PHL Philadelphia - DEN Denver Intl
PHLDEN
Philadelphia
Fri 10/30
7:45 am-10:05 am
Nonstop4h 20m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$171
PhiladelphiaDenver
PHL Philadelphia - DEN Denver Intl
PHLDEN
Philadelphia
Tue 12/22
7:37 pm-12:15 am
1 stop6h 38m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$171
PittsburghDenver
PIT Pittsburgh - DEN Denver Intl
PITDEN
Pittsburgh
Mon 11/23
6:00 am-7:40 am
Nonstop3h 40m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$173
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.
PIT-DEN
ABE-DEN
PHL-DEN
SCE-DEN
MDT-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 Colorado
USPA-USCO
PIT-DEN
ABE-DEN
PHL-DEN
SCE-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 $351). Flying from Pennsylvania to Colorado in June is currently the most expensive (average of $475). 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 September 29, 2026.
It’s typically best to fly out from Pennsylvania to Colorado in the evening. Doing so could potentially save you 19% 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 September 29, 2026.
The most flights from USPA to USCO are scheduled on a Monday (16 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 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 $283 and $496 in November.The cheapest round-trip price found within the last 5 days was $260 on Frontier (Nov 4-Nov 8).
How far ahead should I book a flight from Pennsylvania to Colorado?
Booking 30 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 September 26, 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 September 29, 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
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
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 September 29, 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 7,457,451 searches. Data last updated September 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$72 | Average$245 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$147 | Average$261 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$169 | Average$416 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$177 | Average$466 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$187 | Average$482 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$211 | Average$368 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$216 | Average$510 | FlexibilityNo cancel fee | On-time71% |