$78+ Cheap flights from Pennsylvania to Denver (DEN)
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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — DEN
Mar 15 — Mar 221
1 adult, Economy
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Cheapest flights from Pennsylvania to DenverExplore the most affordable flight options available from Pennsylvania to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.
Explore the most affordable flight options available from Pennsylvania to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.
This Frontier deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/171:59 pm
DCA
- DEN
Nonstop4h 05m
Frontier
Thu 4/237:35 am
DEN
- DCA
Nonstop3h 25m
Frontier
Deal found 2/10![Frontier logo]()
$108
This Super.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/92:00 pm
DCA
- DEN
Nonstop4h 22m
Frontier
Wed 3/114:38 pm
DEN
- DCA
Nonstop3h 21m
Frontier
Deal found 2/10![Frontier logo]()
$109
This Cheapflightsfares deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/127:00 am
DCA
- DEN
Nonstop4h 07m
Frontier
Wed 4/1511:34 am
DEN
- DCA
Nonstop3h 25m
Frontier
Deal found 2/10![Frontier logo]()
$111
This Frontier deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:00 am
DCA
- DEN
Nonstop4h 07m
Frontier
Wed 4/1511:34 am
DEN
- DCA
Nonstop3h 25m
Frontier
Deal found 2/11![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/81:59 pm
DCA
- DEN
Nonstop4h 05m
Frontier
Wed 5/204:36 pm
DEN
- DCA
Nonstop3h 23m
Frontier
Deal found 2/11![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:00 pm
DCA
- DEN
Nonstop4h 11m
Frontier
Tue 5/194:36 pm
DEN
- DCA
Nonstop3h 23m
Frontier
Deal found 2/11![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:00 pm
DCA
- DEN
Nonstop4h 11m
Frontier
Sun 5/1711:34 am
DEN
- DCA
Nonstop3h 25m
Frontier
Deal found 2/11![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:00 am
IAD
- DEN
1 stop18h 04m
Frontier
Wed 3/111:09 pm
DEN
- IAD
1 stop9h 22m
Frontier
Deal found 2/10![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:00 am
DCA
- DEN
Nonstop4h 22m
Frontier
Fri 3/64:38 pm
DEN
- DCA
Nonstop3h 21m
Frontier
Deal found 2/10![Frontier logo]()
$117
This Frontier deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:00 am
DCA
- DEN
Nonstop4h 22m
Frontier
Sat 3/77:35 am
DEN
- DCA
Nonstop3h 27m
Frontier
Deal found 2/9![Frontier logo]()
$118
This Frontier deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/242:00 pm
DCA
- DEN
Nonstop4h 22m
Frontier
Tue 3/34:38 pm
DEN
- DCA
Nonstop3h 21m
Frontier
Deal found 2/10![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” 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 5/910:51 am
IAD
- DEN
1 stop14h 12m
Frontier
Sat 5/161:09 pm
DEN
- IAD
1 stop9h 27m
Frontier
Deal found 2/13![Frontier logo]()
$125
Best flights from Pennsylvania to DenverDiscover carefully curated flight deals from Pennsylvania to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
Discover carefully curated flight deals from Pennsylvania to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
This JetBlue deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/318:12 pm
JFK
- DEN
Nonstop4h 47m
JetBlue
Tue 4/1411:59 pm
DEN
- JFK
Nonstop3h 45m
JetBlue
Deal found 2/9![JetBlue logo]()
$167
This Delta deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” 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 3/37:30 pm
JFK
- DEN
Nonstop4h 51m
Delta
Tue 3/106:40 am
DEN
- JFK
Nonstop3h 45m
Delta
Deal found 2/13![Delta logo]()
$167
This United Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/910:35 pm
IAD
- DEN
Nonstop4h 09m
United Airlines
Sat 5/166:00 am
DEN
- IAD
Nonstop3h 28m
United Airlines
Deal found 2/12![United Airlines logo]()
$177
This Southwest deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:20 am
LGA
- DEN
1 stop10h 10m
Southwest
Tue 3/106:10 am
DEN
- LGA
Nonstop3h 40m
Southwest
Deal found 2/11![Southwest logo]()
$177
This Expedia deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2411:27 am
MDT
- DEN
1 stop13h 32m
Frontier
Thu 2/267:24 pm
DEN
- MDT
1 stop12h 27m
Frontier
Deal found 2/10![Frontier logo]()
$211
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:29 pm
AVP
- DEN
1 stop8h 30m
American Airlines
Wed 4/227:36 am
DEN
- AVP
1 stop7h 23m
American Airlines
Deal found 2/10![American Airlines logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:30 am
ABE
- DEN
Nonstop4h 02m
Multiple Airlines
Wed 6/102:47 pm
DEN
- ABE
1 stop24h 23m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$316
This United Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” 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 4/185:20 pm
IAD
- DEN
Nonstop4h 09m
United Airlines
Tue 4/216:00 am
DEN
- IAD
Nonstop3h 29m
United Airlines
Deal found 2/13![United Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:30 am
LGA
- DEN
Nonstop4h 55m
Delta
Tue 3/35:45 pm
DEN
- LGA
Nonstop3h 46m
Delta
Deal found 2/12![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/68:35 pm
LGA
- DEN
Nonstop4h 30m
Southwest
Tue 3/106:10 am
DEN
- LGA
Nonstop3h 40m
Southwest
Deal found 2/10![Southwest logo]()
$187
This JetBlue deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/48:12 pm
JFK
- DEN
Nonstop4h 47m
JetBlue
Wed 4/1511:59 pm
DEN
- JFK
Nonstop3h 45m
JetBlue
Deal found 2/9![JetBlue logo]()
$187
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/18:45 am
JFK
- DEN
Nonstop4h 40m
Delta
Tue 4/76:40 am
DEN
- JFK
Nonstop3h 45m
Delta
Deal found 2/10![Delta logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” 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 5/17:17 pm
PIT
- DEN
2 stops25h 08m
Alaska Airlines
Tue 5/51:02 pm
DEN
- PIT
2 stops27h 19m
Alaska Airlines
Deal found 2/13![Alaska Airlines logo]()
$390
This Southwest deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:50 am
LGA
- DEN
Nonstop4h 40m
Southwest
Tue 3/109:15 am
DEN
- LGA
Nonstop3h 35m
Southwest
Deal found 2/12![Southwest logo]()
$187
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/64:59 pm
LGA
- DEN
Nonstop4h 41m
United Airlines
Sat 5/98:05 am
DEN
- LGA
Nonstop3h 52m
United Airlines
Deal found 2/9![United Airlines logo]()
$187
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/18:45 am
JFK
- DEN
Nonstop4h 40m
Delta
Tue 4/146:40 am
DEN
- JFK
Nonstop3h 49m
Delta
Deal found 2/9![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/238:35 pm
LGA
- DEN
Nonstop4h 30m
Southwest
Wed 3/256:10 am
DEN
- LGA
Nonstop3h 40m
Southwest
Deal found 2/9![Southwest logo]()
$187
This Southwest deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/238:35 pm
LGA
- DEN
Nonstop4h 30m
Southwest
Tue 3/246:10 am
DEN
- LGA
Nonstop3h 40m
Southwest
Deal found 2/12![Southwest logo]()
$187
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:30 pm
JFK
- DEN
Nonstop4h 51m
Delta
Tue 3/312:12 pm
DEN
- JFK
Nonstop3h 58m
Delta
Deal found 2/11![Delta logo]()
$187
This United Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:29 pm
LGA
- DEN
Nonstop4h 40m
United Airlines
Mon 5/45:31 pm
DEN
- LGA
Nonstop3h 53m
United Airlines
Deal found 2/12![United Airlines logo]()
$207
This JetBlue deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” 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.
Mon 5/47:00 am
DCA
- DEN
1 stop10h 30m
JetBlue
Mon 5/1111:08 pm
DEN
- DCA
1 stop6h 51m
JetBlue
Deal found 2/13![JetBlue logo]()
$229
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/44:44 pm
AVP
- DEN
1 stop7h 53m
American Airlines
Tue 4/711:59 pm
DEN
- AVP
1 stop9h 14m
American Airlines
Deal found 2/10![American Airlines logo]()
$268
This Southwest deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:50 am
LGA
- DEN
Nonstop4h 40m
Southwest
Wed 3/48:15 am
DEN
- LGA
Nonstop3h 40m
Southwest
Deal found 2/11![Southwest logo]()
$187
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:45 am
JFK
- DEN
Nonstop4h 40m
Delta
Wed 4/811:55 pm
DEN
- JFK
Nonstop3h 45m
Delta
Deal found 2/10![Delta logo]()
$187
This JetBlue deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:00 am
DCA
- DEN
1 stop10h 30m
JetBlue
Wed 5/611:08 pm
DEN
- DCA
1 stop6h 51m
JetBlue
Deal found 2/11![JetBlue logo]()
$229
This American Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” 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.
Mon 4/275:29 pm
AVP
- DEN
1 stop8h 30m
American Airlines
Wed 4/293:59 pm
DEN
- AVP
1 stop6h 28m
American Airlines
Deal found 2/13![American Airlines logo]()
$270
This Southwest deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:15 am
LGA
- DEN
Nonstop4h 45m
Southwest
Fri 3/66:10 am
DEN
- LGA
Nonstop3h 40m
Southwest
Deal found 2/11![Southwest logo]()
$187
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/64:55 pm
JFK
- DEN
Nonstop4h 47m
Delta
Sat 5/96:30 am
DEN
- JFK
Nonstop3h 50m
Delta
Deal found 2/12![Delta logo]()
$187
This JetBlue deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/21:25 pm
DCA
- DEN
1 stop10h 14m
JetBlue
Thu 6/410:34 pm
DEN
- DCA
1 stop7h 06m
JetBlue
Deal found 2/13![JetBlue logo]()
$229
This JetBlue deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:00 am
DCA
- DEN
1 stop8h 59m
JetBlue
Wed 3/1111:15 pm
DEN
- DCA
1 stop9h 49m
JetBlue
Deal found 2/10![JetBlue logo]()
$229
Last-minute flights from Pennsylvania to DenverDiscover last-minute flight deals from Pennsylvania to Denver. Data last updated February 13, 2026 and is based on user searches.
Discover last-minute flight deals from Pennsylvania to Denver. Data last updated February 13, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/242:00 pm
DCA
- DEN
Nonstop4h 22m
Frontier
Tue 3/34:38 pm
DEN
- DCA
Nonstop3h 21m
Frontier
Deal found 2/10![Frontier logo]()
$123
This Cheapflightsfares deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/248:00 am
DCA
- DEN
Nonstop4h 22m
Frontier
Wed 3/47:48 am
DEN
- DCA
Nonstop3h 27m
Frontier
Deal found 2/10![Frontier logo]()
$132
This Super.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/248:00 am
DCA
- DEN
Nonstop4h 22m
Frontier
Wed 2/251:39 pm
DEN
- DCA
Nonstop3h 20m
Frontier
Deal found 2/11![Frontier logo]()
$134
This Frontier deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/252:00 pm
DCA
- DEN
Nonstop4h 22m
Frontier
Tue 3/34:38 pm
DEN
- DCA
Nonstop3h 21m
Frontier
Deal found 2/10![Frontier logo]()
$128
This Super.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:00 pm
DCA
- DEN
Nonstop4h 16m
Frontier
Wed 3/47:48 am
DEN
- DCA
Nonstop3h 27m
Frontier
Deal found 2/10![Frontier logo]()
$116
This Frontier deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:00 am
DCA
- DEN
Nonstop4h 22m
Frontier
Sat 3/77:35 am
DEN
- DCA
Nonstop3h 27m
Frontier
Deal found 2/9![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:00 am
DCA
- DEN
Nonstop4h 22m
Frontier
Fri 3/64:38 pm
DEN
- DCA
Nonstop3h 21m
Frontier
Deal found 2/10![Frontier logo]()
$117
This Super.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:00 pm
DCA
- DEN
Nonstop4h 16m
Frontier
Wed 3/114:38 pm
DEN
- DCA
Nonstop3h 21m
Frontier
Deal found 2/10![Frontier logo]()
$126
This Super.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/88:00 am
DCA
- DEN
Nonstop4h 22m
Frontier
Wed 3/114:38 pm
DEN
- DCA
Nonstop3h 21m
Frontier
Deal found 2/10![Frontier logo]()
$125
This Super.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/92:00 pm
DCA
- DEN
Nonstop4h 22m
Frontier
Wed 3/114:38 pm
DEN
- DCA
Nonstop3h 21m
Frontier
Deal found 2/10![Frontier logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:00 am
IAD
- DEN
1 stop18h 04m
Frontier
Wed 3/111:09 pm
DEN
- IAD
1 stop9h 22m
Frontier
Deal found 2/10![Frontier logo]()
$117
This Cheapflightsfares deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/138:00 am
DCA
- DEN
Nonstop4h 22m
Frontier
Wed 3/184:38 pm
DEN
- DCA
Nonstop3h 21m
Frontier
Deal found 2/11![Frontier logo]()
$127
One-way flights from Pennsylvania to DenverSearch for one-way flight options from Pennsylvania to Denver. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
Search for one-way flight options from Pennsylvania to Denver. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
This Super.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/24:14 pm
PIT
- DEN
Nonstop3h 46m
Frontier
Deal found 2/11![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:15 pm
PIT
- DEN
2 stops18h 12m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1410:45 am
PIT
- DEN
2 stops24h 42m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:10 am
LGA
- DEN
1 stop18h 54m
Frontier
Deal found 2/9![Frontier logo]()
$84
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/258:45 am
JFK
- DEN
Nonstop4h 40m
Delta
Deal found 2/9![Delta logo]()
$84
This Trip.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:00 am
PIT
- DEN
2 stops17h 41m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$85
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/315:00 pm
LGA
- DEN
1 stop7h 40m
American Airlines
Deal found 2/10![American Airlines logo]()
$85
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:59 am
JFK
- DEN
1 stop7h 18m
American Airlines
Deal found 2/10![American Airlines logo]()
$85
This Trip.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/910:00 pm
LGA
- DEN
1 stop11h 13m
Frontier
Deal found 2/11![Frontier logo]()
$86
This Trip.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:30 am
JFK
- DEN
1 stop25h 00m
Frontier
Deal found 2/12![Frontier logo]()
$86
This Trip.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/19:59 am
LGA
- DEN
1 stop9h 48m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/181:22 pm
PIT
- DEN
1 stop28h 27m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$88
Find flight deals from Pennsylvania to Denver
Keep the following information in mind while searching for Pennsylvania to Denver flight deals. Data was last updated February 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $108 (Frontier) |
One-way from | $78 (Super.com) |
Popular in | December |
Cheapest in | July |
Average price | $333 |
Good round-trip deal | $291 or less |
Good one-way deal | $166 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Pennsylvania to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 13, 2026.
Use the filters below to find and compare flights from Pennsylvania to Denver that are best for you.
Fly from
Pennsylvania
Fly to
Denver
Route
Depart
Return
Price
New YorkDenver
JFK - DEN
JFKDEN
New York John F Kennedy Intl
Tue 3/31
8:12 pm-10:59 pm
Nonstop4h 47m
Denver Intl
Tue 4/14
11:59 pm-5:44 am
Nonstop3h 45m
$167
New YorkDenver
JFK - DEN
JFKDEN
New York John F Kennedy Intl
Tue 3/3
7:30 pm-10:21 pm
Nonstop4h 51m
Denver Intl
Tue 3/10
6:40 am-12:25 pm
Nonstop3h 45m
$167
Washington, D.C.Denver
IAD - DEN
IADDEN
Washington, D.C. Dulles Intl
Sat 5/9
10:35 pm-12:44 am
Nonstop4h 09m
Denver Intl
Sat 5/16
6:00 am-11:28 am
Nonstop3h 28m
$177
New YorkDenver
LGA - DEN
LGADEN
New York LaGuardia
Tue 3/3
7:20 am-3:30 pm
1 stop10h 10m
Denver Intl
Tue 3/10
6:10 am-11:50 am
Nonstop3h 40m
$177
Washington, D.C.Denver
IAD - DEN
IADDEN
Washington, D.C. Dulles Intl
Sat 4/18
5:20 pm-7:29 pm
Nonstop4h 09m
Denver Intl
Tue 4/21
6:00 am-11:29 am
Nonstop3h 29m
$177
New YorkDenver
LGA - DEN
LGADEN
New York LaGuardia
Tue 3/3
7:30 am-10:25 am
Nonstop4h 55m
Denver Intl
Tue 3/3
5:45 pm-11:31 pm
Nonstop3h 46m
$177
New YorkDenver
JFK - DEN
JFKDEN
New York John F Kennedy Intl
Wed 4/1
8:45 am-11:25 am
Nonstop4h 40m
Denver Intl
Tue 4/7
6:40 am-12:25 pm
Nonstop3h 45m
$177
New YorkDenver
JFK - DEN
JFKDEN
New York John F Kennedy Intl
Wed 4/1
8:45 am-11:25 am
Nonstop4h 40m
Denver Intl
Tue 4/14
6:40 am-12:29 pm
Nonstop3h 49m
$177
New YorkDenver
LGA - DEN
LGADEN
New York LaGuardia
Fri 3/6
8:35 pm-11:05 pm
Nonstop4h 30m
Denver Intl
Tue 3/10
6:10 am-11:50 am
Nonstop3h 40m
$187
New YorkDenver
JFK - DEN
JFKDEN
New York John F Kennedy Intl
Sat 4/4
8:12 pm-10:59 pm
Nonstop4h 47m
Denver Intl
Wed 4/15
11:59 pm-5:44 am
Nonstop3h 45m
$187
Showing 1-10 of 60 results
Best time to book a flight from Pennsylvania to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from Pennsylvania with our price prediction graph.
DCA-DEN
IAD-DEN
PIT-DEN
LGA-DEN
JFK-DEN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Pennsylvania to Denver
USPA-DEN
DCA-DEN
IAD-DEN
PIT-DEN
LGA-DEN
What is the cheapest month to book a flight from Pennsylvania to Denver?
Currently, January is the cheapest month in which you can book a flight from Pennsylvania to Denver (average of $104). Flying from Pennsylvania to Denver in April is currently the most expensive (average of $136). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from PA to DEN?
Find hourly flight availability from Pennsylvania to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 13, 2026.
One of the essential ways to save on airfare from Pennsylvania to Denver is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 8% on airfare.
What is the cheapest day to fly from Pennsylvania to Denver?
Use this chart to determine the cheapest time to fly round-trip from Pennsylvania to Denver. Price data was last updated on February 7, 2026.
Travelers seeking maximum savings on their Pennsylvania to Denver flight should consider departing on Wednesday mornings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Pennsylvania to Denver
Explore weekly flight availability from Pennsylvania to Denver. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 13, 2026.
The most flights from USPA to DEN are scheduled on a Thursday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).
Related info for your journey
Find useful and relevant information for your journey from Pennsylvania to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsThornton
Black Hawk
Lakewood
Broomfield
Westminster
Golden
Centennial
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Cripple Creek
Winter Park
Central City
Glendale
Manitou Springs
Frisco
Fort Morgan
Brighton
Evergreen
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Pennsylvania to Denver
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Complete your trip
Complete your trip to Denver by adding a car rental and/or hotel reservation to your travel itinerary.
Other flights to Denver
Explore flights to Denver departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 13, 2026.
Search flights from Pennsylvania to Denver by cabin class
Find flights from Pennsylvania to Denver, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Pennsylvania and Denver flights
Browse other Pennsylvania and Denver flight options. Last updated on February 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Pennsylvania to Denver flights
Consider these flights traveling from Pennsylvania to Denver.
Top 7 airlines flying from Pennsylvania to Denver
Discover the top 7 airlines that operate flights from Pennsylvania to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$72 | Average$223 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$106 | Average$205 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$125 | Average$312 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$128 | Average$336 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$177 | Average$424 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$184 | Average$396 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$199 | Average$390 | FlexibilityNo cancel fee | On-time63% |