$50+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PHL
Mar 2 — Mar 91
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 January 31, 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 January 31, 2026.
This Super.com deal was found by Cheapflights users on 1/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/197:35 am
DEN
- DCA
Nonstop3h 27m
Frontier
Mon 3/238:00 am
DCA
- DEN
Nonstop4h 22m
Frontier
Deal found 1/30![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” 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 2/257:48 am
DEN
- DCA
Nonstop3h 27m
Frontier
Fri 3/68:00 am
DCA
- DEN
Nonstop4h 22m
Frontier
Deal found 1/29![Frontier logo]()
$116
This Cheapflightsfares deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” 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 3/1211:37 am
DEN
- DCA
Nonstop3h 22m
Frontier
Mon 3/168:00 am
DCA
- DEN
Nonstop4h 22m
Frontier
Deal found 1/29![Frontier logo]()
$117
This Frontier deal was found by Cheapflights users on 1/30. 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 2/1911:37 am
DEN
- DCA
Nonstop3h 22m
Frontier
Sat 2/216:00 pm
DCA
- DEN
Nonstop4h 16m
Frontier
Deal found 1/30![Frontier logo]()
$118
This Super.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:33 am
DEN
- DCA
Nonstop3h 27m
Frontier
Sat 2/286:00 pm
DCA
- DEN
Nonstop4h 16m
Frontier
Deal found 1/29![Frontier logo]()
$121
This Super.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” 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 2/204:38 pm
DEN
- DCA
Nonstop3h 21m
Frontier
Sat 2/218:00 am
DCA
- DEN
Nonstop4h 22m
Frontier
Deal found 1/29![Frontier logo]()
$126
This Super.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” 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 2/267:48 am
DEN
- DCA
Nonstop3h 27m
Frontier
Thu 3/52:00 pm
DCA
- DEN
Nonstop4h 22m
Frontier
Deal found 1/29![Frontier logo]()
$127
This Frontier deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 3/1811:37 am
DEN
- DCA
Nonstop3h 22m
Frontier
Sat 4/47:00 am
DCA
- DEN
Nonstop4h 07m
Frontier
Deal found 1/31![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” 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 3/611:59 pm
DEN
- IAD
1 stop22h 32m
Frontier
Wed 3/116:20 am
IAD
- DEN
1 stop7h 49m
Frontier
Deal found 1/29![Frontier logo]()
$130
This Super.com deal was found by Cheapflights users on 1/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/127:35 am
DEN
- DCA
Nonstop3h 27m
Frontier
Sun 3/152:00 pm
DCA
- DEN
Nonstop4h 22m
Frontier
Deal found 1/30![Frontier logo]()
$130
This Cheapflightsfares deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” 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 4/84:36 pm
DEN
- DCA
Nonstop3h 23m
Frontier
Wed 4/157:00 am
DCA
- DEN
Nonstop4h 12m
Frontier
Deal found 1/29![Frontier logo]()
$131
This Frontier deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” 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 3/27:33 am
DEN
- DCA
Nonstop3h 27m
Frontier
Wed 3/42:00 pm
DCA
- DEN
Nonstop4h 22m
Frontier
Deal found 1/29![Frontier logo]()
$132
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 January 31, 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 January 31, 2026.
This Super.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 3/27:33 am
DEN
- DCA
Nonstop3h 27m
Frontier
Mon 3/98:00 am
DCA
- DEN
Nonstop4h 22m
Frontier
Deal found 1/31![Frontier logo]()
$144
This Delta deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” 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 2/256:00 am
DEN
- JFK
Nonstop3h 49m
Delta
Wed 3/118:45 am
JFK
- DEN
Nonstop4h 40m
Delta
Deal found 1/29![Delta logo]()
$157
This Southwest deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” 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 2/258:15 am
DEN
- LGA
Nonstop3h 40m
Southwest
Sun 3/16:50 am
LGA
- DEN
Nonstop4h 40m
Southwest
Deal found 1/29![Southwest logo]()
$177
This United Airlines deal was found by Cheapflights users on 1/30. 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.
Tue 2/178:15 am
DEN
- LGA
Nonstop3h 43m
United Airlines
Fri 2/204:55 pm
LGA
- DEN
Nonstop4h 40m
United Airlines
Deal found 1/30![United Airlines logo]()
$182
This Expedia deal was found by Cheapflights users on 1/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1211:15 pm
DEN
- DCA
1 stop8h 34m
Multiple Airlines
Wed 4/157:00 am
DCA
- DEN
Nonstop4h 12m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$204
This JetBlue deal was found by Cheapflights users on 1/30. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/111:08 pm
DEN
- DCA
1 stop8h 36m
JetBlue
Mon 5/47:00 am
DCA
- DEN
1 stop10h 30m
JetBlue
Deal found 1/30![JetBlue logo]()
$219
This American Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 2/1812:30 pm
COS
- LGA
1 stop5h 45m
American Airlines
Wed 2/258:00 am
LGA
- COS
1 stop9h 58m
American Airlines
Deal found 1/31![American Airlines logo]()
$235
This Delta deal was found by Cheapflights users on 1/30. 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.
Wed 3/1111:55 pm
DEN
- JFK
Nonstop3h 45m
Delta
Tue 3/177:10 pm
JFK
- DEN
Nonstop4h 36m
Delta
Deal found 1/30![Delta logo]()
$157
This Frontier deal was found by Cheapflights users on 1/30. 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.
Mon 2/2311:05 am
DEN
- PHL
1 stop10h 23m
Frontier
Tue 2/242:09 pm
PHL
- DEN
1 stop10h 50m
Frontier
Deal found 1/30![Frontier logo]()
$158
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3111:47 am
DEN
- PIT
1 stop28h 41m
Alaska Airlines
Tue 4/77:24 pm
PIT
- DEN
1 stop30h 32m
Alaska Airlines
Deal found 1/28![Alaska Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 1/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/186:00 am
DEN
- JFK
Nonstop3h 49m
Delta
Fri 2/207:59 am
JFK
- DEN
Nonstop4h 54m
Delta
Deal found 1/28![Delta logo]()
$157
This Frontier deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2012:25 pm
DEN
- PHL
Nonstop3h 30m
Frontier
Sun 2/225:42 pm
PHL
- DEN
Nonstop4h 30m
Frontier
Deal found 1/31![Frontier logo]()
$158
This Delta deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” 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 3/186:40 am
DEN
- JFK
Nonstop3h 45m
Delta
Wed 3/187:10 pm
JFK
- DEN
Nonstop4h 36m
Delta
Deal found 1/29![Delta logo]()
$157
This Southwest deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” 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 2/284:35 pm
DEN
- IAD
Nonstop3h 10m
Southwest
Sun 3/15:10 am
IAD
- DEN
Nonstop4h 00m
Southwest
Deal found 1/29![Southwest logo]()
$197
This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:00 am
DEN
- IAD
Nonstop3h 20m
United Airlines
Wed 3/47:42 pm
IAD
- DEN
Nonstop4h 05m
United Airlines
Deal found 1/29![United Airlines logo]()
$197
This Cheapflightsfares deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 4/211:56 pm
DEN
- PHL
Nonstop3h 35m
Frontier
Mon 4/68:25 pm
PHL
- DEN
Nonstop4h 28m
Frontier
Deal found 1/31![Frontier logo]()
$167
This CheapOair deal was found by Cheapflights users on 1/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/14:36 pm
DEN
- DCA
Nonstop3h 23m
Multiple Airlines
Tue 4/710:40 am
DCA
- DEN
2 stops14h 22m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$216
This Southwest deal was found by Cheapflights users on 1/30. 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.
Tue 2/248:15 am
DEN
- LGA
Nonstop3h 40m
Southwest
Sat 2/285:35 pm
LGA
- DEN
1 stop6h 55m
Southwest
Deal found 1/30![Southwest logo]()
$199
This JetBlue deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” 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 4/811:15 pm
DEN
- DCA
1 stop9h 40m
JetBlue
Wed 4/1510:00 am
DCA
- DEN
1 stop7h 30m
JetBlue
Deal found 1/29![JetBlue logo]()
$219
This United Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 4/186:00 am
DEN
- LGA
1 stop6h 18m
United Airlines
Tue 4/217:10 am
LGA
- DEN
Nonstop4h 36m
United Airlines
Deal found 1/31![United Airlines logo]()
$207
This Delta deal was found by Cheapflights users on 1/30. 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 2/2612:12 pm
DEN
- JFK
Nonstop3h 58m
Delta
Tue 3/37:59 am
JFK
- DEN
Nonstop4h 54m
Delta
Deal found 1/30![Delta logo]()
$173
This Priceline deal was found by Cheapflights users on 1/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1611:59 pm
DEN
- PHL
1 stop8h 43m
Frontier
Mon 3/238:25 pm
PHL
- DEN
Nonstop4h 39m
Frontier
Deal found 1/30![Frontier logo]()
$178
This JetBlue deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” 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 2/2612:14 pm
DEN
- DCA
1 stop8h 45m
JetBlue
Tue 3/34:59 pm
DCA
- DEN
1 stop7h 19m
JetBlue
Deal found 1/29![JetBlue logo]()
$219
This Southwest deal was found by Cheapflights users on 1/30. 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 2/197:50 am
DEN
- LGA
1 stop5h 05m
Southwest
Sun 2/226:50 am
LGA
- DEN
Nonstop4h 40m
Southwest
Deal found 1/30![Southwest logo]()
$208
This Delta deal was found by Cheapflights users on 1/30. 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.
Tue 2/246:00 am
DEN
- JFK
Nonstop3h 49m
Delta
Sat 2/287:59 am
JFK
- DEN
Nonstop4h 54m
Delta
Deal found 1/30![Delta logo]()
$173
This United Airlines deal was found by Cheapflights users on 1/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/255:57 pm
DEN
- PHL
Nonstop3h 33m
United Airlines
Tue 3/33:37 pm
PHL
- DEN
Nonstop4h 30m
United Airlines
Deal found 1/28![United Airlines logo]()
$211
This Cheapflightsfares deal was found by Cheapflights users on 1/30. 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.
Tue 3/311:59 pm
DEN
- PHL
1 stop12h 41m
Frontier
Sat 3/76:10 am
PHL
- DEN
1 stop17h 15m
Frontier
Deal found 1/30![Frontier logo]()
$182
This American Airlines deal was found by Cheapflights users on 1/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/231:39 pm
COS
- LGA
1 stop8h 13m
American Airlines
Tue 4/286:00 am
LGA
- COS
1 stop8h 45m
American Airlines
Deal found 1/30![American Airlines logo]()
$276
This Southwest deal was found by Cheapflights users on 1/30. 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.
Fri 2/206:15 am
DEN
- LGA
Nonstop3h 45m
Southwest
Tue 2/247:15 am
LGA
- DEN
Nonstop4h 45m
Southwest
Deal found 1/30![Southwest logo]()
$209
This Delta deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” 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 3/412:12 pm
DEN
- JFK
Nonstop3h 58m
Delta
Sat 3/77:30 pm
JFK
- DEN
Nonstop4h 51m
Delta
Deal found 1/29![Delta logo]()
$173
Last-minute flights from Colorado to PennsylvaniaDiscover last-minute flight deals from Colorado to Pennsylvania. Data last updated January 31, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Pennsylvania. Data last updated January 31, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” 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 2/194:38 pm
DEN
- DCA
Nonstop3h 21m
Frontier
Thu 3/52:00 pm
DCA
- DEN
Nonstop4h 22m
Frontier
Deal found 1/29![Frontier logo]()
$117
This Frontier deal was found by Cheapflights users on 1/30. 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 2/1911:37 am
DEN
- DCA
Nonstop3h 22m
Frontier
Sat 2/216:00 pm
DCA
- DEN
Nonstop4h 16m
Frontier
Deal found 1/30![Frontier logo]()
$118
This Cheapflightsfares deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” 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 2/1911:37 am
DEN
- DCA
Nonstop3h 22m
Frontier
Sun 2/226:00 pm
DCA
- DEN
Nonstop4h 16m
Frontier
Deal found 1/29![Frontier logo]()
$137
This Frontier deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” 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 2/196:45 am
DEN
- IAD
1 stop9h 12m
Frontier
Sat 2/2110:29 am
IAD
- DEN
1 stop13h 04m
Frontier
Deal found 1/29![Frontier logo]()
$138
This Super.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” 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 2/204:38 pm
DEN
- DCA
Nonstop3h 21m
Frontier
Sat 2/218:00 am
DCA
- DEN
Nonstop4h 22m
Frontier
Deal found 1/29![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” 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 2/257:48 am
DEN
- DCA
Nonstop3h 27m
Frontier
Fri 3/68:00 am
DCA
- DEN
Nonstop4h 22m
Frontier
Deal found 1/29![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” 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 2/252:15 pm
DEN
- IAD
1 stop18h 18m
Frontier
Mon 3/25:22 pm
IAD
- DEN
1 stop20h 34m
Frontier
Deal found 1/29![Frontier logo]()
$139
This Cheapflightsfares deal was found by Cheapflights users on 1/30. 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.
Thu 2/264:38 pm
DEN
- DCA
Nonstop3h 21m
Frontier
Mon 3/26:00 pm
DCA
- DEN
Nonstop4h 16m
Frontier
Deal found 1/30![Frontier logo]()
$127
This Trip.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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.
Thu 2/267:48 am
DEN
- DCA
Nonstop3h 27m
Frontier
Sun 3/86:00 pm
DCA
- DEN
Nonstop4h 16m
Frontier
Deal found 1/31![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” 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 2/267:48 am
DEN
- DCA
Nonstop3h 27m
Frontier
Fri 3/68:00 am
DCA
- DEN
Nonstop4h 22m
Frontier
Deal found 1/29![Frontier logo]()
$136
This Super.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:33 am
DEN
- DCA
Nonstop3h 27m
Frontier
Sat 2/286:00 pm
DCA
- DEN
Nonstop4h 16m
Frontier
Deal found 1/29![Frontier logo]()
$121
This Frontier deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” 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 2/2811:37 am
DEN
- DCA
Nonstop3h 22m
Frontier
Mon 3/26:00 pm
DCA
- DEN
Nonstop4h 16m
Frontier
Deal found 1/29![Frontier logo]()
$138
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 January 31, 2026.
Search for one-way flight options from Colorado to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated January 31, 2026.
This Trip.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” 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 3/31:42 pm
DEN
- EWR
1 stop7h 47m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$50
This Trip.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 3/312:59 am
DEN
- EWR
1 stop20h 30m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$52
This Trip.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” 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 3/312:59 am
DEN
- EWR
1 stop22h 09m
Frontier
Deal found 1/29![Frontier logo]()
$53
This Trip.com deal was found by Cheapflights users on 1/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:00 am
DEN
- EWR
1 stop16h 39m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$55
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 3/1011:59 pm
DEN
- EWR
1 stop19h 31m
Frontier
Deal found 1/31![Frontier logo]()
$60
This Kiwi.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” 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 3/78:50 am
DEN
- EWR
1 stop12h 39m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$61
This Trip.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” 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 2/287:00 am
DEN
- EWR
1 stop8h 54m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$64
This Trip.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/258:17 am
DEN
- EWR
1 stop8h 37m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$66
This Trip.com deal was found by Cheapflights users on 1/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/318:17 am
DEN
- EWR
1 stop8h 37m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 3/312:59 am
DEN
- PIT
2 stops21h 00m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$77
This American Airlines deal was found by Cheapflights users on 1/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:00 am
COS
- LGA
1 stop7h 00m
American Airlines
Deal found 1/30![American Airlines logo]()
$80
This American Airlines deal was found by Cheapflights users on 1/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:00 am
COS
- JFK
1 stop9h 00m
American Airlines
Deal found 1/30![American Airlines logo]()
$80
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 January 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $115 (Super.com) |
One-way from | $50 (Trip.com) |
Popular in | November |
Cheapest in | September |
Average price | $368 |
Good round-trip deal | $218 or less |
Good one-way deal | $189 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 January 31, 2026.
Use the filters below to find and compare flights from Colorado to Pennsylvania that are best for you.
Fly from
Colorado
Fly to
Pennsylvania
Route
Depart
Return
Price
DenverWashington, D.C.
DEN - DCA
DENDCA
Denver Intl
Mon 3/2
7:33 am-1:00 pm
Nonstop3h 27m
Washington, D.C. Reagan-National
Mon 3/9
8:00 am-10:22 am
Nonstop4h 22m
$144
DenverNew York
DEN - JFK
DENJFK
Denver Intl
Wed 2/25
6:00 am-11:49 am
Nonstop3h 49m
New York John F Kennedy Intl
Wed 3/11
8:45 am-11:25 am
Nonstop4h 40m
$157
DenverNew York
DEN - JFK
DENJFK
Denver Intl
Wed 3/11
11:55 pm-5:40 am
Nonstop3h 45m
New York John F Kennedy Intl
Tue 3/17
7:10 pm-9:46 pm
Nonstop4h 36m
$157
DenverNew York
DEN - JFK
DENJFK
Denver Intl
Wed 2/18
6:00 am-11:49 am
Nonstop3h 49m
New York John F Kennedy Intl
Fri 2/20
7:59 am-10:53 am
Nonstop4h 54m
$157
DenverNew York
DEN - JFK
DENJFK
Denver Intl
Wed 3/18
6:40 am-12:25 pm
Nonstop3h 45m
New York John F Kennedy Intl
Wed 3/18
7:10 pm-9:46 pm
Nonstop4h 36m
$157
DenverPhiladelphia
DEN - PHL
DENPHL
Denver Intl
Mon 2/23
11:05 am-11:28 pm
1 stop10h 23m
Philadelphia
Tue 2/24
2:09 pm-10:59 pm
1 stop10h 50m
$158
DenverPhiladelphia
DEN - PHL
DENPHL
Denver Intl
Fri 2/20
12:25 pm-5:55 pm
Nonstop3h 30m
Philadelphia
Sun 2/22
5:42 pm-8:12 pm
Nonstop4h 30m
$158
DenverPhiladelphia
DEN - PHL
DENPHL
Denver Intl
Thu 4/2
11:56 pm-5:31 am
Nonstop3h 35m
Philadelphia
Mon 4/6
8:25 pm-10:53 pm
Nonstop4h 28m
$167
DenverNew York
DEN - JFK
DENJFK
Denver Intl
Thu 2/26
12:12 pm-6:10 pm
Nonstop3h 58m
New York John F Kennedy Intl
Tue 3/3
7:59 am-10:53 am
Nonstop4h 54m
$173
DenverNew York
DEN - JFK
DENJFK
Denver Intl
Tue 2/24
6:00 am-11:49 am
Nonstop3h 49m
New York John F Kennedy Intl
Sat 2/28
7:59 am-10:53 am
Nonstop4h 54m
$173
Showing 1-10 of 60 results
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-JFK
DEN-DCA
DEN-LGA
DEN-PHL
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-JFK
DEN-DCA
DEN-LGA
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 $62). Flying from Colorado to Pennsylvania in July is currently the most expensive (average of $175). 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 January 31, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 23% 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 January 31, 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 January 31, 2026.
The most flights from USCO to USPA are scheduled on a Monday (8 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (4 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 January 31, 2026.
See what other customers who have flown with Southwest, Delta, and United 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.
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
Browse thousands of different options on Cheapflights for your next trip
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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.
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 January 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$90 | Average$230 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$122 | Average$250 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$128 | Average$392 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$134 | Average$198 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$139 | Average$424 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$163 | Average$466 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$210 | Average$431 | FlexibilityNo cancel fee | On-time63% |