$79+ Cheap flights from Colorado to Pennsylvania
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PHL
Apr 18 — Apr 251
Round-trip
1 adult, Economy
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Cheapest flights from Colorado to PennsylvaniaExplore the most affordable flight options available from Colorado to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 19, 2026.
Explore the most affordable flight options available from Colorado to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 19, 2026.
This Frontier deal was found by Cheapflights users on 3/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:35 am
DEN
- DCA
Nonstop3h 25m
Frontier
Thu 4/236:00 pm
DCA
- DEN
Nonstop4h 11m
Frontier
Deal found 3/14![Frontier logo]()
$138
This Booking.com deal was found by Cheapflights users on 3/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/184:36 pm
DEN
- DCA
Nonstop3h 23m
Frontier
Sun 4/198:00 am
DCA
- DEN
Nonstop4h 12m
Frontier
Deal found 3/14![Frontier logo]()
$139
This Super.com deal was found by Cheapflights users on 3/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:35 am
DEN
- DCA
Nonstop3h 25m
Frontier
Thu 4/168:00 am
DCA
- DEN
Nonstop4h 12m
Frontier
Deal found 3/15![Frontier logo]()
$142
This Super.com deal was found by Cheapflights users on 3/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:35 am
DEN
- DCA
Nonstop3h 25m
Frontier
Mon 4/206:00 pm
DCA
- DEN
Nonstop4h 11m
Frontier
Deal found 3/15![Frontier logo]()
$146
This Cheapflightsfares deal was found by Cheapflights users on 3/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/74:27 pm
DEN
- DCA
Nonstop3h 31m
Frontier
Tue 5/197:00 am
DCA
- DEN
Nonstop4h 07m
Frontier
Deal found 3/17![Frontier logo]()
$147
This Frontier deal was found by Cheapflights users on 3/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:35 am
DEN
- DCA
Nonstop3h 25m
Frontier
Fri 4/241:59 pm
DCA
- DEN
Nonstop4h 05m
Frontier
Deal found 3/17![Frontier logo]()
$148
This Super.com deal was found by Cheapflights users on 3/14. 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.
Mon 4/136:40 am
DEN
- DCA
Nonstop3h 22m
Frontier
Mon 4/208:00 am
DCA
- DEN
Nonstop4h 12m
Frontier
Deal found 3/14![Frontier logo]()
$156
This Super.com deal was found by Cheapflights users on 3/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/14:36 pm
DEN
- DCA
Nonstop3h 23m
Frontier
Sun 5/38:00 am
DCA
- DEN
Nonstop4h 12m
Frontier
Deal found 3/17![Frontier logo]()
$157
This Frontier deal was found by Cheapflights users on 3/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:40 am
DEN
- DCA
Nonstop3h 22m
Frontier
Tue 4/141:59 pm
DCA
- DEN
Nonstop4h 05m
Frontier
Deal found 3/17![Frontier logo]()
$158
This Cheapflightsfares deal was found by Cheapflights users on 3/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/24:36 pm
DEN
- DCA
Nonstop3h 23m
Frontier
Wed 5/67:00 am
DCA
- DEN
Nonstop4h 07m
Frontier
Deal found 3/17![Frontier logo]()
$161
This Cheapflightsfares deal was found by Cheapflights users on 3/16. 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.
Fri 5/84:27 pm
DEN
- DCA
Nonstop3h 31m
Frontier
Mon 5/117:00 am
DCA
- DEN
Nonstop4h 07m
Frontier
Deal found 3/16![Frontier logo]()
$162
This Frontier deal was found by Cheapflights users on 3/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:40 am
DEN
- DCA
Nonstop3h 22m
Frontier
Tue 4/218:00 am
DCA
- DEN
Nonstop4h 12m
Frontier
Deal found 3/15![Frontier logo]()
$163
Best flights from Colorado to PennsylvaniaDiscover carefully curated flight deals from Colorado to Pennsylvania that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 19, 2026.
Discover carefully curated flight deals from Colorado to Pennsylvania that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/227:00 am
DEN
- PHL
1 stop24h 10m
Frontier
Tue 5/267:20 am
PHL
- DEN
1 stop9h 12m
Frontier
Deal found 3/18![Frontier logo]()
$217
This Southwest deal was found by Cheapflights users on 3/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:35 am
DEN
- LGA
1 stop7h 10m
Southwest
Wed 4/222:15 pm
LGA
- DEN
Nonstop4h 25m
Southwest
Deal found 3/14![Southwest logo]()
$217
This United Airlines deal was found by Cheapflights users on 3/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/154:05 pm
DEN
- LGA
Nonstop3h 49m
United Airlines
Sat 4/185:15 pm
LGA
- DEN
1 stop6h 55m
United Airlines
Deal found 3/17![United Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 3/16. 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.
Mon 6/112:56 am
DEN
- EWR
1 stop6h 29m
Delta
Sat 6/67:00 am
EWR
- DEN
1 stop9h 04m
Delta
Deal found 3/16![Delta logo]()
$247
This JetBlue deal was found by Cheapflights users on 3/14. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/911:59 pm
DEN
- JFK
Nonstop3h 40m
JetBlue
Tue 4/148:12 pm
JFK
- DEN
Nonstop4h 52m
JetBlue
Deal found 3/14![JetBlue logo]()
$292
This Alaska Airlines deal was found by Cheapflights users on 3/14. 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.
Wed 4/296:00 am
DEN
- DCA
2 stops13h 00m
Alaska Airlines
Tue 5/58:00 am
DCA
- DEN
1 stop11h 11m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$355
This American Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/2211:46 am
DEN
- EWR
1 stop7h 19m
American Airlines
Sun 4/265:05 am
EWR
- DEN
1 stop7h 34m
American Airlines
Deal found 3/18![American Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 5/126:10 am
DEN
- LGA
Nonstop3h 40m
Southwest
Fri 5/158:55 pm
LGA
- DEN
Nonstop4h 25m
Southwest
Deal found 3/18![Southwest logo]()
$227
This Southwest deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:10 am
DEN
- LGA
Nonstop3h 40m
Southwest
Thu 5/148:55 pm
LGA
- DEN
Nonstop4h 25m
Southwest
Deal found 3/15![Southwest logo]()
$227
This Delta deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1711:50 pm
DEN
- JFK
Nonstop3h 55m
Delta
Tue 5/198:30 am
JFK
- DEN
Nonstop4h 30m
Delta
Deal found 3/15![Delta logo]()
$262
This United Airlines deal was found by Cheapflights users on 3/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:59 pm
DEN
- IAD
Nonstop3h 29m
United Airlines
Sun 4/2610:35 pm
IAD
- DEN
Nonstop4h 09m
United Airlines
Deal found 3/17![United Airlines logo]()
$277
This Southwest deal was found by Cheapflights users on 3/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:35 pm
DEN
- IAD
Nonstop3h 20m
Southwest
Sat 4/255:05 pm
IAD
- DEN
Nonstop4h 00m
Southwest
Deal found 3/14![Southwest logo]()
$237
This Delta deal was found by Cheapflights users on 3/16. 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.
Sun 4/511:59 pm
DEN
- JFK
Nonstop4h 01m
Delta
Wed 4/88:45 am
JFK
- DEN
Nonstop4h 40m
Delta
Deal found 3/16![Delta logo]()
$262
This JetBlue deal was found by Cheapflights users on 3/14. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/911:59 pm
DEN
- JFK
Nonstop3h 47m
JetBlue
Thu 5/219:30 am
JFK
- DEN
Nonstop4h 31m
JetBlue
Deal found 3/14![JetBlue logo]()
$302
This United Airlines deal was found by Cheapflights users on 3/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/811:59 pm
DEN
- IAD
Nonstop3h 29m
United Airlines
Sun 5/1010:35 pm
IAD
- DEN
Nonstop4h 09m
United Airlines
Deal found 3/17![United Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 3/16. 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.
Sun 4/1212:35 am
DEN
- EWR
1 stop6h 06m
Delta
Mon 4/206:00 am
EWR
- DEN
1 stop8h 04m
Delta
Deal found 3/16![Delta logo]()
$267
This Southwest deal was found by Cheapflights users on 3/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:45 am
DEN
- IAD
1 stop7h 20m
Southwest
Sat 4/185:05 pm
IAD
- DEN
Nonstop4h 00m
Southwest
Deal found 3/14![Southwest logo]()
$247
This United Airlines deal was found by Cheapflights users on 3/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:35 pm
DEN
- LGA
Nonstop3h 54m
United Airlines
Mon 8/173:25 pm
LGA
- DEN
Nonstop4h 28m
United Airlines
Deal found 3/17![United Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 5/16:10 am
DEN
- LGA
Nonstop3h 40m
Southwest
Fri 5/84:30 pm
LGA
- DEN
Nonstop4h 30m
Southwest
Deal found 3/18![Southwest logo]()
$247
This Delta deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/211:59 pm
DEN
- JFK
Nonstop4h 01m
Delta
Thu 4/94:59 pm
JFK
- DEN
Nonstop4h 37m
Delta
Deal found 3/15![Delta logo]()
$274
This JetBlue deal was found by Cheapflights users on 3/16. 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.
Wed 6/310:34 pm
DEN
- PIT
1 stop8h 20m
JetBlue
Tue 6/96:00 am
PIT
- DEN
1 stop8h 01m
JetBlue
Deal found 3/16![JetBlue logo]()
$359
This Southwest deal was found by Cheapflights users on 3/16. 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.
Sun 4/266:10 am
DEN
- LGA
Nonstop3h 40m
Southwest
Mon 5/118:55 pm
LGA
- DEN
Nonstop4h 25m
Southwest
Deal found 3/16![Southwest logo]()
$247
This Delta deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/2212:35 am
DEN
- DCA
1 stop6h 02m
Delta
Sat 4/256:00 am
DCA
- DEN
1 stop8h 15m
Delta
Deal found 3/18![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 3/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2011:59 pm
DEN
- EWR
Nonstop3h 52m
United Airlines
Wed 6/32:40 pm
EWR
- DEN
Nonstop4h 18m
United Airlines
Deal found 3/17![United Airlines logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 3/14. 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 4/248:00 am
DEN
- DCA
1 stop11h 59m
Alaska Airlines
Mon 4/276:59 pm
DCA
- DEN
2 stops25h 26m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$425
This Southwest deal was found by Cheapflights users on 3/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/186:10 am
DEN
- LGA
Nonstop3h 40m
Southwest
Wed 5/206:05 am
LGA
- DEN
1 stop7h 50m
Southwest
Deal found 3/14![Southwest logo]()
$252
This United Airlines deal was found by Cheapflights users on 3/14. 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.
Wed 4/811:59 pm
DEN
- EWR
Nonstop3h 52m
United Airlines
Sat 4/119:24 pm
EWR
- DEN
Nonstop4h 35m
United Airlines
Deal found 3/14![United Airlines logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 3/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:03 pm
DEN
- IAD
2 stops21h 19m
Alaska Airlines
Mon 4/206:22 pm
IAD
- DEN
2 stops31h 34m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$443
This Delta deal was found by Cheapflights users on 3/17. 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.
Thu 6/411:50 pm
DEN
- JFK
Nonstop3h 55m
Delta
Mon 6/87:59 pm
JFK
- DEN
Nonstop4h 50m
Delta
Deal found 3/17![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:59 pm
DEN
- EWR
Nonstop3h 58m
United Airlines
Wed 5/209:24 pm
EWR
- DEN
Nonstop4h 35m
United Airlines
Deal found 3/15![United Airlines logo]()
$309
Last-minute flights from Colorado to PennsylvaniaDiscover last-minute flight deals from Colorado to Pennsylvania. Data last updated March 19, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Pennsylvania. Data last updated March 19, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 3/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:40 am
DEN
- DCA
Nonstop3h 22m
Frontier
Tue 4/141:59 pm
DCA
- DEN
Nonstop4h 05m
Frontier
Deal found 3/17![Frontier logo]()
$158
This Super.com deal was found by Cheapflights users on 3/14. 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.
Mon 4/136:40 am
DEN
- DCA
Nonstop3h 22m
Frontier
Mon 4/208:00 am
DCA
- DEN
Nonstop4h 12m
Frontier
Deal found 3/14![Frontier logo]()
$156
This Cheapflightsfares deal was found by Cheapflights users on 3/14. 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.
Mon 4/136:40 am
DEN
- DCA
Nonstop3h 22m
Frontier
Fri 4/176:00 pm
DCA
- DEN
Nonstop4h 11m
Frontier
Deal found 3/14![Frontier logo]()
$157
This Frontier deal was found by Cheapflights users on 3/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:40 am
DEN
- DCA
Nonstop3h 22m
Frontier
Tue 4/218:00 am
DCA
- DEN
Nonstop4h 12m
Frontier
Deal found 3/15![Frontier logo]()
$163
This Super.com deal was found by Cheapflights users on 3/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:35 am
DEN
- DCA
Nonstop3h 25m
Frontier
Thu 4/168:00 am
DCA
- DEN
Nonstop4h 12m
Frontier
Deal found 3/15![Frontier logo]()
$142
This Super.com deal was found by Cheapflights users on 3/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:35 am
DEN
- DCA
Nonstop3h 25m
Frontier
Mon 4/206:00 pm
DCA
- DEN
Nonstop4h 11m
Frontier
Deal found 3/15![Frontier logo]()
$146
This Super.com deal was found by Cheapflights users on 3/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:34 am
DEN
- DCA
Nonstop3h 25m
Frontier
Sat 4/256:00 pm
DCA
- DEN
Nonstop4h 11m
Frontier
Deal found 3/17![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Fri 4/174:36 pm
DEN
- DCA
Nonstop3h 23m
Frontier
Sat 4/181:59 pm
DCA
- DEN
Nonstop4h 05m
Frontier
Deal found 3/15![Frontier logo]()
$165
This Booking.com deal was found by Cheapflights users on 3/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/184:36 pm
DEN
- DCA
Nonstop3h 23m
Frontier
Sun 4/198:00 am
DCA
- DEN
Nonstop4h 12m
Frontier
Deal found 3/14![Frontier logo]()
$139
This Frontier deal was found by Cheapflights users on 3/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:35 am
DEN
- DCA
Nonstop3h 25m
Frontier
Fri 4/241:59 pm
DCA
- DEN
Nonstop4h 05m
Frontier
Deal found 3/17![Frontier logo]()
$148
This Frontier deal was found by Cheapflights users on 3/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:35 am
DEN
- DCA
Nonstop3h 25m
Frontier
Thu 4/236:00 pm
DCA
- DEN
Nonstop4h 11m
Frontier
Deal found 3/14![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 3/14. 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.
Tue 4/281:09 pm
DEN
- IAD
1 stop9h 27m
Frontier
Tue 5/57:40 am
IAD
- DEN
1 stop8h 24m
Frontier
Deal found 3/14![Frontier logo]()
$169
One-way flights from Colorado to PennsylvaniaSearch for one-way flight options from Colorado to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated March 19, 2026.
Search for one-way flight options from Colorado to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated March 19, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 3/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/14:36 pm
DEN
- DCA
Nonstop3h 23m
Frontier
Deal found 3/15![Frontier logo]()
$79
This Super.com deal was found by Cheapflights users on 3/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/74:27 pm
DEN
- DCA
Nonstop3h 31m
Frontier
Deal found 3/17![Frontier logo]()
$83
This Cheapflightsfares deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/154:36 pm
DEN
- DCA
Nonstop3h 23m
Frontier
Deal found 3/18![Frontier logo]()
$84
This Frontier deal was found by Cheapflights users on 3/16. 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.
Thu 4/304:36 pm
DEN
- DCA
Nonstop3h 23m
Frontier
Deal found 3/16![Frontier logo]()
$85
This Trip.com deal was found by Cheapflights users on 3/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:00 am
DEN
- LGA
1 stop14h 00m
Frontier
Deal found 3/14![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:59 pm
DEN
- IAD
1 stop22h 37m
Frontier
Deal found 3/18![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 3/14. 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.
Tue 4/212:22 pm
DEN
- LGA
1 stop5h 38m
Frontier
Deal found 3/14![Frontier logo]()
$89
This Trip.com deal was found by Cheapflights users on 3/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:30 am
DEN
- IAD
1 stop7h 51m
Frontier
Deal found 3/16![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Tue 4/142:22 pm
DEN
- LGA
1 stop5h 38m
Frontier
Deal found 3/15![Frontier logo]()
$92
This Trip.com deal was found by Cheapflights users on 3/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2811:59 pm
DEN
- JFK
1 stop9h 51m
Frontier
Deal found 3/14![Frontier logo]()
$93
This Super.com deal was found by Cheapflights users on 3/14. 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.
Mon 4/136:40 am
DEN
- DCA
Nonstop3h 22m
Frontier
Deal found 3/14![Frontier logo]()
$93
This Cheapflightsfares deal was found by Cheapflights users on 3/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/184:27 pm
DEN
- DCA
Nonstop3h 31m
Frontier
Deal found 3/15![Frontier logo]()
$94
Find flight deals from Colorado to Pennsylvania
Keep the following information in mind while searching for Colorado to Pennsylvania flight deals. Data was last updated March 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $138 (Frontier) |
One-way from | $79 (Cheapflightsfares) |
Popular in | November |
Cheapest in | February |
Average price | $317 |
Good round-trip deal | $272 or less |
Good one-way deal | $61 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado to Pennsylvania that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 19, 2026.
Use the filters below to find and compare flights from Colorado to Pennsylvania that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverPhiladelphia
DEN - PHL
DENPHL
Denver Intl
Fri 5/22
7:00 am-9:10 am
1 stop24h 10m
Philadelphia
Tue 5/26
7:20 am-2:32 pm
1 stop9h 12m
$217
DenverNew York
DEN - LGA
DENLGA
Denver Intl
Wed 4/15
6:35 am-3:45 pm
1 stop7h 10m
New York LaGuardia
Wed 4/22
2:15 pm-4:40 pm
Nonstop4h 25m
$217
DenverNew York
DEN - LGA
DENLGA
Denver Intl
Tue 5/12
6:10 am-11:50 am
Nonstop3h 40m
New York LaGuardia
Fri 5/15
8:55 pm-11:20 pm
Nonstop4h 25m
$227
DenverNew York
DEN - LGA
DENLGA
Denver Intl
Tue 5/12
6:10 am-11:50 am
Nonstop3h 40m
New York LaGuardia
Thu 5/14
8:55 pm-11:20 pm
Nonstop4h 25m
$227
DenverNew York
DEN - LGA
DENLGA
Denver Intl
Wed 4/15
4:05 pm-9:54 pm
Nonstop3h 49m
New York LaGuardia
Sat 4/18
5:15 pm-10:10 pm
1 stop6h 55m
$237
Quickest round-trip
DenverWashington, D.C.
DEN - IAD
DENIAD
Denver Intl
Sat 4/18
5:35 pm-10:55 pm
Nonstop3h 20m
Washington, D.C. Dulles Intl
Sat 4/25
5:05 pm-7:05 pm
Nonstop4h 00m
$237
DenverNewark
DEN - EWR
DENEWR
Denver Intl
Mon 6/1
12:56 am-9:25 am
1 stop6h 29m
Newark
Sat 6/6
7:00 am-2:04 pm
1 stop9h 04m
$247
DenverWashington, D.C.
DEN - IAD
DENIAD
Denver Intl
Sat 4/18
5:45 am-3:05 pm
1 stop7h 20m
Washington, D.C. Dulles Intl
Sat 4/18
5:05 pm-7:05 pm
Nonstop4h 00m
$247
DenverNew York
DEN - LGA
DENLGA
Denver Intl
Fri 5/1
6:10 am-11:50 am
Nonstop3h 40m
New York LaGuardia
Fri 5/8
4:30 pm-7:00 pm
Nonstop4h 30m
$247
DenverNew York
DEN - LGA
DENLGA
Denver Intl
Sun 4/26
6:10 am-11:50 am
Nonstop3h 40m
New York LaGuardia
Mon 5/11
8:55 pm-11:20 pm
Nonstop4h 25m
$247
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Colorado to Pennsylvania
Have a flexible travel schedule? Discover the best time to fly to Pennsylvania from Colorado with our price prediction graph.
DEN-PHL
DEN-LGA
DEN-EWR
DEN-JFK
DEN-DCA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Colorado to Pennsylvania
USCO-USPA
DEN-PHL
DEN-LGA
DEN-EWR
DEN-JFK
What is the cheapest month to book a flight from Colorado to Pennsylvania?
Currently, May is the cheapest month in which you can book a flight from Colorado to Pennsylvania (average of $50). Flying from Colorado to Pennsylvania in July is currently the most expensive (average of $174). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from CO to PA?
Find hourly flight availability from Colorado to Pennsylvania. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 19, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 33% on flights from Colorado to Pennsylvania by exploring options for tickets in the afternoon.
What is the cheapest day to fly from Colorado to Pennsylvania?
Use this chart to determine the cheapest time to fly round-trip from Colorado to Pennsylvania. Price data was last updated on March 14, 2026.
Travelers seeking maximum savings on their Colorado to Pennsylvania flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Colorado to Pennsylvania
Explore weekly flight availability from Colorado to Pennsylvania. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 19, 2026.
The most flights from USCO to USPA are scheduled on a Monday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).
Reviews of airlines servicing Pennsylvania
Get insights into the airlines that provide service to Pennsylvania. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pennsylvania. Reviews last updated March 19, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Colorado to Pennsylvania have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Related info for your journey
Find useful and relevant information for your journey from Colorado to Pennsylvania. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Colorado to Pennsylvania
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Pennsylvania by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Colorado to Pennsylvania by cabin class
Find flights from Colorado to Pennsylvania, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Colorado and Pennsylvania flights
Browse other Colorado and Pennsylvania flight options. Last updated on March 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Pennsylvania
Find the right flight back to Colorado after your stay in Pennsylvania
Colorado to Pennsylvania flights
Consider these flights traveling from Colorado to Pennsylvania.
Top 7 airlines flying from Colorado to Pennsylvania
Discover the top 7 airlines that operate flights from Colorado to Pennsylvania. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$90 | Average$233 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$122 | Average$282 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$128 | Average$353 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$134 | Average$198 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$139 | Average$444 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$163 | Average$444 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$208 | Average$441 | FlexibilityNo cancel fee | On-time63% |