$95+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PHL
Jun 4 — Jun 111
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 May 5, 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 May 5, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/2211:59 pm
DEN
- PHL
Nonstop3h 38m
Frontier
Wed 5/278:35 pm
PHL
- DEN
Nonstop4h 29m
Frontier
Deal found 5/1![Frontier logo]()
$176
This Frontier deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/2011:59 pm
DEN
- PHL
Nonstop3h 38m
Frontier
Fri 5/298:35 pm
PHL
- DEN
Nonstop4h 29m
Frontier
Deal found 4/30![Frontier logo]()
$177
This Cheapflightsfares deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/227:00 am
DEN
- PHL
1 stop9h 16m
Frontier
Thu 5/288:35 pm
PHL
- DEN
Nonstop4h 29m
Frontier
Deal found 4/30![Frontier logo]()
$178
This Frontier deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/217:01 pm
DEN
- PHL
1 stop9h 20m
Frontier
Thu 5/288:35 pm
PHL
- DEN
Nonstop4h 29m
Frontier
Deal found 4/30![Frontier logo]()
$179
This Super.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/2711:59 pm
DEN
- PHL
Nonstop3h 38m
Frontier
Mon 6/18:35 pm
PHL
- DEN
Nonstop4h 29m
Frontier
Deal found 5/1![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/2711:59 pm
DEN
- PHL
Nonstop3h 38m
Frontier
Mon 6/88:35 pm
PHL
- DEN
Nonstop4h 29m
Frontier
Deal found 5/1![Frontier logo]()
$182
This Cheapflightsfares deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/1611:59 pm
DEN
- PHL
Nonstop3h 38m
Frontier
Sat 5/234:35 pm
PHL
- DEN
1 stop7h 49m
Frontier
Deal found 4/30![Frontier logo]()
$183
This CheapOair deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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.
Sun 5/3111:59 pm
DEN
- PHL
Nonstop3h 38m
Frontier
Mon 6/110:40 am
PHL
- DEN
1 stop18h 45m
Frontier
Deal found 5/3![Frontier logo]()
$184
This Frontier deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/246:03 am
DEN
- PHL
1 stop8h 35m
Frontier
Tue 5/267:20 am
PHL
- DEN
1 stop9h 12m
Frontier
Deal found 4/30![Frontier logo]()
$185
This Super.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 5/2511:59 pm
DEN
- PHL
Nonstop3h 38m
Frontier
Thu 5/288:35 pm
PHL
- DEN
Nonstop4h 29m
Frontier
Deal found 5/3![Frontier logo]()
$186
This Frontier deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/2711:59 pm
DEN
- PHL
Nonstop3h 38m
Frontier
Thu 6/118:37 pm
PHL
- DEN
Nonstop4h 22m
Frontier
Deal found 5/1![Frontier logo]()
$187
This Frontier deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/2011:54 pm
DEN
- PHL
1 stop10h 31m
Frontier
Thu 5/288:35 pm
PHL
- DEN
Nonstop4h 29m
Frontier
Deal found 4/30![Frontier logo]()
$188
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 May 5, 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 May 5, 2026.
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/86:00 am
COS
- LGA
1 stop8h 49m
Delta
Mon 6/151:59 pm
LGA
- COS
1 stop9h 08m
Delta
Deal found 5/3![Delta logo]()
$277
This Southwest deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 8/264:50 pm
DEN
- LGA
Nonstop3h 40m
Southwest
Fri 8/285:30 pm
LGA
- DEN
Nonstop4h 25m
Southwest
Deal found 5/1![Southwest logo]()
$277
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/35:35 pm
DEN
- LGA
Nonstop3h 55m
United Airlines
Wed 6/106:29 pm
LGA
- DEN
Nonstop4h 33m
United Airlines
Deal found 5/1![United Airlines logo]()
$287
This JetBlue deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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.
Fri 6/51:03 pm
DEN
- JFK
Nonstop3h 56m
JetBlue
Fri 6/196:29 am
JFK
- DEN
1 stop9h 21m
JetBlue
Deal found 5/4![JetBlue logo]()
$340
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 7/246:43 pm
DRO
- EWR
1 stop9h 17m
American Airlines
Tue 7/285:38 pm
EWR
- DRO
1 stop8h 24m
American Airlines
Deal found 5/2![American Airlines logo]()
$461
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/86:35 am
DEN
- JFK
Nonstop3h 58m
Delta
Wed 6/108:25 am
JFK
- DEN
Nonstop4h 28m
Delta
Deal found 5/1![Delta logo]()
$287
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/294:00 pm
DEN
- LGA
Nonstop3h 54m
United Airlines
Sat 6/66:25 pm
LGA
- DEN
1 stop7h 27m
United Airlines
Deal found 5/1![United Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 7/186:15 am
DEN
- LGA
Nonstop3h 40m
Southwest
Mon 7/202:30 pm
LGA
- DEN
1 stop7h 40m
Southwest
Deal found 5/4![Southwest logo]()
$307
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2211:50 pm
DEN
- JFK
Nonstop3h 55m
Delta
Fri 6/58:30 am
JFK
- DEN
Nonstop4h 30m
Delta
Deal found 5/1![Delta logo]()
$287
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/198:05 am
DEN
- LGA
Nonstop3h 52m
United Airlines
Sat 5/237:28 pm
LGA
- DEN
1 stop7h 02m
United Airlines
Deal found 5/4![United Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/2111:50 pm
DEN
- JFK
Nonstop3h 55m
Delta
Wed 6/108:25 am
JFK
- DEN
Nonstop4h 28m
Delta
Deal found 5/2![Delta logo]()
$287
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 7/95:35 pm
DEN
- LGA
Nonstop3h 55m
United Airlines
Mon 7/138:25 pm
LGA
- DEN
1 stop6h 34m
United Airlines
Deal found 4/30![United Airlines logo]()
$307
This JetBlue deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/2310:34 pm
DEN
- DCA
1 stop10h 10m
JetBlue
Wed 5/274:15 pm
DCA
- DEN
1 stop7h 22m
JetBlue
Deal found 5/4![JetBlue logo]()
$385
This Southwest deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/279:10 am
COS
- LGA
2 stops9h 15m
Southwest
Wed 6/32:15 pm
LGA
- COS
1 stop9h 05m
Southwest
Deal found 5/1![Southwest logo]()
$357
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:30 am
DEN
- JFK
Nonstop3h 55m
Delta
Thu 9/103:45 pm
JFK
- DEN
Nonstop4h 49m
Delta
Deal found 5/1![Delta logo]()
$302
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 8/281:59 pm
DEN
- LGA
Nonstop3h 54m
United Airlines
Mon 8/317:48 pm
LGA
- DEN
1 stop6h 31m
United Airlines
Deal found 4/30![United Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/285:30 am
COS
- LGA
2 stops9h 30m
Southwest
Thu 6/48:30 am
LGA
- COS
1 stop9h 30m
Southwest
Deal found 4/30![Southwest logo]()
$362
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:59 pm
DEN
- JFK
Nonstop3h 52m
Delta
Mon 9/218:10 am
JFK
- DEN
Nonstop4h 37m
Delta
Deal found 5/2![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:05 pm
DEN
- EWR
Nonstop3h 44m
United Airlines
Mon 9/211:15 pm
EWR
- DEN
Nonstop4h 15m
United Airlines
Deal found 4/30![United Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 5/2210:24 am
DRO
- EWR
1 stop6h 50m
American Airlines
Mon 5/2510:54 am
EWR
- DRO
1 stop9h 24m
American Airlines
Deal found 5/5![American Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:30 am
DEN
- JFK
Nonstop3h 50m
Delta
Fri 10/307:59 pm
JFK
- DEN
Nonstop4h 44m
Delta
Deal found 5/2![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 10/305:30 pm
DEN
- EWR
Nonstop3h 49m
United Airlines
Mon 11/29:00 pm
EWR
- DEN
Nonstop4h 28m
United Airlines
Deal found 4/30![United Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 7/249:35 am
COS
- LGA
1 stop10h 20m
Southwest
Mon 7/277:25 am
LGA
- COS
1 stop8h 35m
Southwest
Deal found 5/4![Southwest logo]()
$382
This American Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 7/226:43 pm
DRO
- EWR
1 stop9h 17m
American Airlines
Tue 7/285:29 pm
EWR
- DRO
1 stop8h 33m
American Airlines
Deal found 5/5![American Airlines logo]()
$494
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/411:59 pm
DEN
- JFK
Nonstop3h 52m
Delta
Fri 9/257:59 pm
JFK
- DEN
Nonstop4h 50m
Delta
Deal found 5/2![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 7/2211:59 pm
DEN
- EWR
Nonstop3h 41m
United Airlines
Mon 7/276:30 am
EWR
- DEN
Nonstop4h 15m
United Airlines
Deal found 4/30![United Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 6/32:30 pm
COS
- LGA
1 stop5h 50m
Southwest
Sat 6/611:55 am
LGA
- COS
2 stops10h 40m
Southwest
Deal found 5/2![Southwest logo]()
$382
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:59 pm
DEN
- JFK
Nonstop3h 52m
Delta
Mon 9/148:10 am
JFK
- DEN
Nonstop4h 37m
Delta
Deal found 4/30![Delta logo]()
$307
This Southwest deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/248:10 am
DEN
- DCA
1 stop4h 50m
Southwest
Tue 7/77:25 am
DCA
- DEN
2 stops7h 10m
Southwest
Deal found 5/4![Southwest logo]()
$386
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 8/55:50 pm
DEN
- EWR
Nonstop3h 54m
United Airlines
Sun 8/98:59 pm
EWR
- DEN
Nonstop4h 29m
United Airlines
Deal found 5/4![United Airlines logo]()
$329
Last-minute flights from Colorado to PennsylvaniaDiscover last-minute flight deals from Colorado to Pennsylvania. Data last updated May 5, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Pennsylvania. Data last updated May 5, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/1611:59 pm
DEN
- PHL
Nonstop3h 38m
Frontier
Sat 5/234:35 pm
PHL
- DEN
1 stop7h 49m
Frontier
Deal found 4/30![Frontier logo]()
$183
This Frontier deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/2011:59 pm
DEN
- PHL
Nonstop3h 38m
Frontier
Fri 5/298:35 pm
PHL
- DEN
Nonstop4h 29m
Frontier
Deal found 4/30![Frontier logo]()
$177
This Frontier deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/217:01 pm
DEN
- PHL
1 stop9h 20m
Frontier
Thu 5/288:35 pm
PHL
- DEN
Nonstop4h 29m
Frontier
Deal found 4/30![Frontier logo]()
$179
This Cheapflightsfares deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/2211:59 pm
DEN
- PHL
Nonstop3h 38m
Frontier
Wed 5/278:35 pm
PHL
- DEN
Nonstop4h 29m
Frontier
Deal found 5/1![Frontier logo]()
$176
This Cheapflightsfares deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/227:00 am
DEN
- PHL
1 stop9h 16m
Frontier
Thu 5/288:35 pm
PHL
- DEN
Nonstop4h 29m
Frontier
Deal found 4/30![Frontier logo]()
$178
This Frontier deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/246:03 am
DEN
- PHL
1 stop8h 35m
Frontier
Tue 5/267:20 am
PHL
- DEN
1 stop9h 12m
Frontier
Deal found 4/30![Frontier logo]()
$185
This Super.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 5/2511:59 pm
DEN
- PHL
Nonstop3h 38m
Frontier
Thu 5/288:35 pm
PHL
- DEN
Nonstop4h 29m
Frontier
Deal found 5/3![Frontier logo]()
$186
This Super.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/2711:59 pm
DEN
- PHL
Nonstop3h 38m
Frontier
Mon 6/18:35 pm
PHL
- DEN
Nonstop4h 29m
Frontier
Deal found 5/1![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/2711:59 pm
DEN
- PHL
Nonstop3h 38m
Frontier
Mon 6/88:35 pm
PHL
- DEN
Nonstop4h 29m
Frontier
Deal found 5/1![Frontier logo]()
$182
This Frontier deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/2711:59 pm
DEN
- PHL
Nonstop3h 38m
Frontier
Thu 6/118:37 pm
PHL
- DEN
Nonstop4h 22m
Frontier
Deal found 5/1![Frontier logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/2811:54 pm
DEN
- IAD
1 stop8h 18m
Frontier
Thu 6/48:47 pm
IAD
- DEN
2 stops44h 53m
Frontier
Deal found 4/30![Frontier logo]()
$203
This CheapOair deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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.
Sun 5/3111:59 pm
DEN
- PHL
Nonstop3h 38m
Frontier
Mon 6/110:40 am
PHL
- DEN
1 stop18h 45m
Frontier
Deal found 5/3![Frontier logo]()
$184
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 May 5, 2026.
Search for one-way flight options from Colorado to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated May 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/36:30 am
DEN
- IAD
2 stops14h 39m
Frontier
Deal found 5/1![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/2811:54 pm
DEN
- IAD
1 stop8h 18m
Frontier
Deal found 5/4![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/128:46 pm
DEN
- IAD
2 stops24h 31m
Frontier
Deal found 5/3![Frontier logo]()
$98
This Super.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/1811:54 pm
DEN
- IAD
1 stop8h 18m
Frontier
Deal found 5/1![Frontier logo]()
$99
This Frontier deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/2310:29 pm
DEN
- IAD
1 stop7h 43m
Frontier
Deal found 5/4![Frontier logo]()
$100
This eDestinos deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/177:15 am
DEN
- PHL
1 stop15h 51m
Frontier
Deal found 5/1![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/158:46 pm
DEN
- IAD
2 stops35h 36m
Frontier
Deal found 5/3![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 6/1010:11 am
DEN
- IAD
2 stops22h 11m
Frontier
Deal found 4/30![Frontier logo]()
$102
This Cheapflightsfares deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/167:31 am
DEN
- DCA
Nonstop3h 28m
Frontier
Deal found 5/1![Frontier logo]()
$103
This Cheapflightsfares deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/1611:59 pm
DEN
- PHL
Nonstop3h 38m
Frontier
Deal found 4/30![Frontier logo]()
$103
This Super.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 7/226:30 am
DEN
- IAD
1 stop8h 55m
Frontier
Deal found 5/4![Frontier logo]()
$104
This Super.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/107:26 pm
DEN
- PHL
1 stop9h 01m
Frontier
Deal found 5/4![Frontier logo]()
$104
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 May 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $176 (Cheapflightsfares) |
One-way from | $95 (Kiwi.com) |
Popular in | November |
Cheapest in | February |
Average price | $329 |
Good round-trip deal | $130 or less |
Good one-way deal | $97 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 May 5, 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
Colorado SpringsNew York
COS - LGA
COSLGA
Colorado Springs
Mon 6/8
6:00 am-4:49 pm
1 stop8h 49m
New York LaGuardia
Mon 6/15
1:59 pm-9:07 pm
1 stop9h 08m
$277
DenverNew York
DEN - LGA
DENLGA
Denver Intl
Wed 8/26
4:50 pm-10:30 pm
Nonstop3h 40m
New York LaGuardia
Fri 8/28
5:30 pm-7:55 pm
Nonstop4h 25m
$277
DenverNew York
DEN - LGA
DENLGA
Denver Intl
Wed 6/3
5:35 pm-11:30 pm
Nonstop3h 55m
New York LaGuardia
Wed 6/10
6:29 pm-9:02 pm
Nonstop4h 33m
$287
DenverNew York
DEN - JFK
DENJFK
Denver Intl
Mon 6/8
6:35 am-12:33 pm
Nonstop3h 58m
New York John F Kennedy Intl
Wed 6/10
8:25 am-10:53 am
Nonstop4h 28m
$287
DenverNew York
DEN - JFK
DENJFK
Denver Intl
Fri 5/22
11:50 pm-5:45 am
Nonstop3h 55m
New York John F Kennedy Intl
Fri 6/5
8:30 am-11:00 am
Nonstop4h 30m
$287
DenverNew York
DEN - JFK
DENJFK
Denver Intl
Thu 5/21
11:50 pm-5:45 am
Nonstop3h 55m
New York John F Kennedy Intl
Wed 6/10
8:25 am-10:53 am
Nonstop4h 28m
$287
DenverNew York
DEN - LGA
DENLGA
Denver Intl
Fri 5/29
4:00 pm-9:54 pm
Nonstop3h 54m
New York LaGuardia
Sat 6/6
6:25 pm-11:52 pm
1 stop7h 27m
$297
DenverNew York
DEN - LGA
DENLGA
Denver Intl
Tue 5/19
8:05 am-1:57 pm
Nonstop3h 52m
New York LaGuardia
Sat 5/23
7:28 pm-12:30 am
1 stop7h 02m
$297
DenverNew York
DEN - JFK
DENJFK
Denver Intl
Sat 9/5
6:30 am-12:25 pm
Nonstop3h 55m
New York John F Kennedy Intl
Thu 9/10
3:45 pm-6:34 pm
Nonstop4h 49m
$302
DenverNew York
DEN - LGA
DENLGA
Denver Intl
Sat 7/18
6:15 am-11:55 am
Nonstop3h 40m
New York LaGuardia
Mon 7/20
2:30 pm-8:10 pm
1 stop7h 40m
$307
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-IAD
DEN-PHL
DEN-DCA
COS-LGA
DEN-LGA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Colorado to Pennsylvania
USCO-USPA
DEN-IAD
DEN-PHL
DEN-DCA
COS-LGA
How far ahead should I book a flight from Colorado to Pennsylvania?
Booking 85 days in advance of your planned departure date is, on average, the best time to get cheap flights from Colorado to Pennsylvania. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Colorado to Pennsylvania?
Currently, January is the cheapest month in which you can book a flight from Colorado to Pennsylvania (average of $63). Flying from Colorado to Pennsylvania in March is currently the most expensive (average of $1,001). 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 May 5, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 32% 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 May 2, 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 May 5, 2026.
The most flights from USCO to USPA are scheduled on a Monday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 on average).
How much does it cost to fly round-trip from Colorado to Pennsylvania?
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 May 5, 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.
Food
7.0
Overall
7.9
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
7.9
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
7.9
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
7.9
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
7.9
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
7.9
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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 May 5, 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 May 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$89 | Average$218 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$122 | Average$203 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$122 | Average$309 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$128 | Average$335 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$139 | Average$442 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$163 | Average$446 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$204 | Average$458 | FlexibilityNo cancel fee | On-time63% |