$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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — DEN
May 3 — May 101
Round-trip
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 April 3, 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 April 3, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 3/29. 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.
Fri 8/287:00 am
ABE
- DEN
Nonstop3h 52m
Allegiant Air
Fri 9/410:06 am
DEN
- ABE
Nonstop3h 32m
Allegiant Air
Deal found 3/29![Allegiant Air logo]()
$151
This Cheapflightsfares deal was found by Cheapflights users on 4/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:35 pm
PHL
- DEN
Nonstop4h 29m
Frontier
Mon 5/1811:45 pm
DEN
- PHL
1 stop22h 03m
Frontier
Deal found 4/2![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:36 pm
PHL
- DEN
Nonstop4h 28m
Multiple Airlines
Thu 4/306:00 am
DEN
- PHL
2 stops13h 57m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$154
This CheapOair deal was found by Cheapflights users on 3/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:30 am
PHL
- DEN
1 stop7h 34m
Frontier
Tue 7/712:55 pm
DEN
- PHL
1 stop24h 09m
Frontier
Deal found 3/31![Frontier logo]()
$155
This Cheapflightsfares deal was found by Cheapflights users on 3/31. 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.
Wed 5/136:10 am
PHL
- DEN
1 stop11h 55m
Frontier
Sat 5/1611:59 pm
DEN
- PHL
1 stop23h 07m
Frontier
Deal found 3/31![Frontier logo]()
$156
This Frontier deal was found by Cheapflights users on 3/31. 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.
Tue 4/281:30 pm
PHL
- DEN
1 stop10h 04m
Frontier
Thu 4/3011:59 pm
DEN
- PHL
1 stop11h 18m
Frontier
Deal found 3/31![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 4/1. 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.
Mon 5/48:41 pm
PHL
- DEN
Nonstop4h 28m
Frontier
Sun 5/1711:59 pm
DEN
- PHL
Nonstop3h 38m
Frontier
Deal found 4/1![Frontier logo]()
$158
This Cheapflightsfares deal was found by Cheapflights users on 3/31. 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.
Fri 4/246:43 am
PHL
- DEN
1 stop19h 36m
Frontier
Mon 4/2711:59 pm
DEN
- PHL
1 stop11h 22m
Frontier
Deal found 3/31![Frontier logo]()
$159
This Priceline deal was found by Cheapflights users on 3/30. 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.
Wed 4/227:15 am
IAD
- DEN
1 stop6h 54m
Frontier
Thu 4/236:00 am
DEN
- IAD
1 stop10h 12m
Frontier
Deal found 3/30![Frontier logo]()
$160
This Expedia deal was found by Cheapflights users on 3/30. 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.
Mon 4/205:05 am
PHL
- DEN
1 stop8h 47m
Frontier
Thu 4/2311:05 pm
DEN
- PHL
1 stop13h 23m
Frontier
Deal found 3/30![Frontier logo]()
$160
This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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.
Sun 4/1211:00 am
PHL
- DEN
1 stop14h 08m
Frontier
Wed 4/2911:59 pm
DEN
- PHL
Nonstop3h 35m
Frontier
Deal found 3/30![Frontier logo]()
$161
This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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 5/18:41 pm
PHL
- DEN
Nonstop4h 28m
Frontier
Sun 5/311:59 pm
DEN
- PHL
Nonstop3h 35m
Frontier
Deal found 3/30![Frontier logo]()
$162
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 April 3, 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 April 3, 2026.
This Southwest deal was found by Cheapflights users on 3/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/24:25 pm
LGA
- DEN
Nonstop4h 30m
Southwest
Tue 5/56:10 am
DEN
- LGA
Nonstop3h 40m
Southwest
Deal found 3/31![Southwest logo]()
$227
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:55 pm
JFK
- DEN
Nonstop4h 45m
Delta
Wed 5/206:30 am
DEN
- JFK
Nonstop3h 50m
Delta
Deal found 3/31![Delta logo]()
$232
This United Airlines deal was found by Cheapflights users on 3/29. 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.
Tue 9/293:30 pm
LGA
- DEN
Nonstop4h 18m
United Airlines
Sat 10/311:35 am
DEN
- LGA
Nonstop3h 37m
United Airlines
Deal found 3/29![United Airlines logo]()
$287
This American Airlines deal was found by Cheapflights users on 4/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:27 pm
AVP
- DEN
1 stop7h 29m
American Airlines
Sat 5/3012:16 pm
DEN
- AVP
2 stops10h 02m
American Airlines
Deal found 4/3![American Airlines logo]()
$345
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:59 pm
DCA
- DEN
2 stops25h 26m
Alaska Airlines
Wed 5/68:00 am
DEN
- DCA
1 stop11h 59m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$460
This Delta deal was found by Cheapflights users on 4/2. 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.
Tue 6/211:28 am
PHL
- DEN
1 stop6h 08m
Delta
Fri 6/512:56 am
DEN
- PHL
1 stop6h 27m
Delta
Deal found 4/2![Delta logo]()
$239
This Southwest deal was found by Cheapflights users on 3/29. 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.
Thu 5/75:55 am
IAD
- DEN
Nonstop3h 50m
Southwest
Mon 5/117:05 pm
DEN
- IAD
Nonstop3h 15m
Southwest
Deal found 3/29![Southwest logo]()
$277
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/18:30 am
JFK
- DEN
Nonstop4h 30m
Delta
Thu 6/411:50 pm
DEN
- JFK
Nonstop3h 55m
Delta
Deal found 3/31![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Thu 4/237:10 am
LGA
- DEN
Nonstop4h 36m
United Airlines
Tue 4/289:54 am
DEN
- LGA
Nonstop3h 56m
United Airlines
Deal found 4/1![United Airlines logo]()
$287
This Southwest deal was found by Cheapflights users on 4/1. 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 4/293:50 pm
DCA
- DEN
1 stop5h 40m
Southwest
Wed 5/68:45 am
DEN
- DCA
2 stops7h 30m
Southwest
Deal found 4/1![Southwest logo]()
$282
This United Airlines deal was found by Cheapflights users on 3/29. 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.
Tue 8/257:29 am
LGA
- DEN
Nonstop4h 17m
United Airlines
Mon 8/315:35 pm
DEN
- LGA
Nonstop3h 54m
United Airlines
Deal found 3/29![United Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 4/2. 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.
Sun 8/167:59 pm
JFK
- DEN
Nonstop4h 50m
Delta
Sat 8/226:30 am
DEN
- JFK
Nonstop3h 55m
Delta
Deal found 4/2![Delta logo]()
$277
This Southwest deal was found by Cheapflights users on 4/1. 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.
Tue 5/122:40 pm
DCA
- DEN
2 stops8h 00m
Southwest
Thu 5/143:00 pm
DEN
- DCA
1 stop6h 25m
Southwest
Deal found 4/1![Southwest logo]()
$282
This Delta deal was found by Cheapflights users on 3/30. 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 6/246:59 pm
LGA
- DEN
Nonstop4h 27m
Delta
Thu 7/97:10 am
DEN
- LGA
Nonstop3h 42m
Delta
Deal found 3/30![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 4/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/257:51 am
EWR
- DEN
Nonstop4h 18m
United Airlines
Mon 6/17:10 pm
DEN
- EWR
Nonstop3h 54m
United Airlines
Deal found 4/2![United Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 3/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:35 pm
DCA
- DEN
1 stop6h 50m
Southwest
Thu 5/77:50 am
DEN
- DCA
1 stop5h 35m
Southwest
Deal found 3/31![Southwest logo]()
$297
This Delta deal was found by Cheapflights users on 3/29. 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.
Sat 5/95:45 am
PHL
- DEN
1 stop8h 27m
Delta
Sun 5/106:19 pm
DEN
- PHL
1 stop9h 51m
Delta
Deal found 3/29![Delta logo]()
$279
This United Airlines deal was found by Cheapflights users on 4/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/308:00 am
PHL
- DEN
Nonstop4h 01m
United Airlines
Thu 6/411:59 pm
DEN
- PHL
Nonstop3h 32m
United Airlines
Deal found 4/2![United Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 4/2. 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 4/176:04 am
ABE
- DEN
1 stop6h 35m
American Airlines
Mon 4/203:59 pm
DEN
- ABE
1 stop6h 23m
American Airlines
Deal found 4/2![American Airlines logo]()
$437
This Delta deal was found by Cheapflights users on 3/29. 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.
Fri 5/87:01 pm
PHL
- DEN
1 stop6h 40m
Delta
Mon 5/113:12 pm
DEN
- PHL
1 stop5h 55m
Delta
Deal found 3/29![Delta logo]()
$279
This Southwest deal was found by Cheapflights users on 4/1. 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.
Thu 4/235:55 am
IAD
- DEN
Nonstop3h 50m
Southwest
Wed 4/296:45 am
DEN
- IAD
1 stop7h 05m
Southwest
Deal found 4/1![Southwest logo]()
$307
This United Airlines deal was found by Cheapflights users on 3/31. 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 4/254:18 pm
PIT
- DEN
Nonstop3h 44m
United Airlines
Tue 4/289:55 am
DEN
- PIT
Nonstop3h 07m
United Airlines
Deal found 3/31![United Airlines logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 4/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/197:37 pm
IAD
- DEN
1 stop30h 12m
Alaska Airlines
Thu 5/217:51 pm
DEN
- IAD
1 stop19h 51m
Alaska Airlines
Deal found 4/2![Alaska Airlines logo]()
$488
This Southwest deal was found by Cheapflights users on 3/30. 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 4/219:05 am
DCA
- DEN
2 stops8h 05m
Southwest
Wed 4/228:45 am
DEN
- DCA
2 stops7h 35m
Southwest
Deal found 3/30![Southwest logo]()
$307
This Delta deal was found by Cheapflights users on 3/30. 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.
Fri 6/127:50 pm
JFK
- DEN
Nonstop4h 55m
Delta
Mon 6/1511:59 pm
DEN
- JFK
Nonstop3h 49m
Delta
Deal found 3/30![Delta logo]()
$282
This United Airlines deal was found by Cheapflights users on 4/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:41 pm
AVP
- DEN
1 stop6h 29m
United Airlines
Sat 5/211:59 pm
DEN
- AVP
1 stop7h 49m
United Airlines
Deal found 4/2![United Airlines logo]()
$330
This Southwest deal was found by Cheapflights users on 4/2. 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.
Sat 6/2012:35 pm
LGA
- DEN
1 stop9h 20m
Southwest
Thu 7/26:15 am
DEN
- LGA
Nonstop3h 40m
Southwest
Deal found 4/2![Southwest logo]()
$309
This Delta deal was found by Cheapflights users on 4/2. 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.
Sat 6/137:50 pm
JFK
- DEN
Nonstop4h 55m
Delta
Sat 6/2711:59 pm
DEN
- JFK
Nonstop4h 01m
Delta
Deal found 4/2![Delta logo]()
$282
This United Airlines deal was found by Cheapflights users on 3/29. 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.
Tue 4/148:12 pm
IAD
- DEN
Nonstop4h 03m
United Airlines
Sun 4/1911:59 pm
DEN
- IAD
Nonstop3h 29m
United Airlines
Deal found 3/29![United Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 3/30. 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.
Fri 7/247:50 pm
JFK
- DEN
Nonstop4h 55m
Delta
Fri 8/76:35 am
DEN
- JFK
Nonstop3h 52m
Delta
Deal found 3/30![Delta logo]()
$282
Last-minute flights from Pennsylvania to DenverDiscover last-minute flight deals from Pennsylvania to Denver. Data last updated April 3, 2026 and is based on user searches.
Discover last-minute flight deals from Pennsylvania to Denver. Data last updated April 3, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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.
Sun 4/1211:00 am
PHL
- DEN
1 stop14h 08m
Frontier
Wed 4/2911:59 pm
DEN
- PHL
Nonstop3h 35m
Frontier
Deal found 3/30![Frontier logo]()
$161
This Expedia deal was found by Cheapflights users on 3/30. 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.
Mon 4/205:05 am
PHL
- DEN
1 stop8h 47m
Frontier
Thu 4/2311:05 pm
DEN
- PHL
1 stop13h 23m
Frontier
Deal found 3/30![Frontier logo]()
$160
This Priceline deal was found by Cheapflights users on 3/30. 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.
Wed 4/227:15 am
IAD
- DEN
1 stop6h 54m
Frontier
Thu 4/236:00 am
DEN
- IAD
1 stop10h 12m
Frontier
Deal found 3/30![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 3/30. 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.
Fri 4/248:41 pm
PHL
- DEN
Nonstop4h 28m
Frontier
Sun 5/311:59 pm
DEN
- PHL
Nonstop3h 35m
Frontier
Deal found 3/30![Frontier logo]()
$155
This Cheapflightsfares deal was found by Cheapflights users on 3/31. 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.
Fri 4/246:43 am
PHL
- DEN
1 stop19h 36m
Frontier
Mon 4/2711:59 pm
DEN
- PHL
1 stop11h 22m
Frontier
Deal found 3/31![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:36 pm
PHL
- DEN
Nonstop4h 28m
Multiple Airlines
Thu 4/306:00 am
DEN
- PHL
2 stops13h 57m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$154
This Frontier deal was found by Cheapflights users on 3/31. 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.
Tue 4/281:30 pm
PHL
- DEN
1 stop10h 04m
Frontier
Thu 4/3011:59 pm
DEN
- PHL
1 stop11h 18m
Frontier
Deal found 3/31![Frontier logo]()
$157
This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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 5/18:41 pm
PHL
- DEN
Nonstop4h 28m
Frontier
Sun 5/311:59 pm
DEN
- PHL
Nonstop3h 35m
Frontier
Deal found 3/30![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 4/1. 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.
Mon 5/48:41 pm
PHL
- DEN
Nonstop4h 28m
Frontier
Sun 5/1711:59 pm
DEN
- PHL
Nonstop3h 38m
Frontier
Deal found 4/1![Frontier logo]()
$158
This Cheapflightsfares deal was found by Cheapflights users on 3/31. 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.
Wed 5/136:10 am
PHL
- DEN
1 stop11h 55m
Frontier
Sat 5/1611:59 pm
DEN
- PHL
1 stop23h 07m
Frontier
Deal found 3/31![Frontier logo]()
$156
This Cheapflightsfares deal was found by Cheapflights users on 4/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:35 pm
PHL
- DEN
Nonstop4h 29m
Frontier
Mon 5/1811:45 pm
DEN
- PHL
1 stop22h 03m
Frontier
Deal found 4/2![Frontier logo]()
$153
This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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.
Wed 5/208:35 pm
PHL
- DEN
Nonstop4h 29m
Frontier
Fri 5/226:03 am
DEN
- PHL
1 stop10h 37m
Frontier
Deal found 3/30![Frontier logo]()
$163
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 April 3, 2026.
Search for one-way flight options from Pennsylvania to Denver. Find affordable one-way fares based on user searches. Data last updated April 3, 2026.
This Trip.com deal was found by Cheapflights users on 3/30. 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 4/145:59 am
EWR
- DEN
1 stop18h 30m
Frontier
Deal found 3/30![Frontier logo]()
$78
This Super.com deal was found by Cheapflights users on 3/31. 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.
Wed 4/225:59 am
EWR
- DEN
1 stop8h 10m
Frontier
Deal found 3/31![Frontier logo]()
$79
This Priceline deal was found by Cheapflights users on 3/31. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/241:54 pm
EWR
- DEN
1 stop11h 05m
Frontier
Deal found 3/31![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 3/30. 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.
Sun 5/317:09 pm
PIT
- DEN
1 stop29h 28m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$84
This Super.com deal was found by Cheapflights users on 4/1. 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 4/273:29 pm
PHL
- DEN
1 stop28h 19m
Frontier
Deal found 4/1![Frontier logo]()
$85
This Super.com deal was found by Cheapflights users on 3/31. 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 4/271:54 pm
EWR
- DEN
1 stop26h 37m
Frontier
Deal found 3/31![Frontier logo]()
$85
This Flightnetwork deal was found by Cheapflights users on 4/1. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/196:56 pm
PHL
- DEN
1 stop7h 03m
Frontier
Deal found 4/1![Frontier logo]()
$86
This Frontier deal was found by Cheapflights users on 3/30. 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 5/610:29 pm
EWR
- DEN
1 stop12h 36m
Frontier
Deal found 3/30![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 3/29. 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.
Tue 4/287:15 am
IAD
- DEN
1 stop17h 14m
Frontier
Deal found 3/29![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Thu 4/305:30 pm
PHL
- DEN
1 stop17h 20m
Frontier
Deal found 3/31![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Mon 4/1310:29 pm
EWR
- DEN
1 stop15h 40m
Frontier
Deal found 3/31![Frontier logo]()
$88
This Super.com deal was found by Cheapflights users on 4/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/110:40 am
PHL
- DEN
1 stop15h 29m
Frontier
Deal found 4/2![Frontier logo]()
$89
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 April 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $151 (Cheapflightsfares) |
One-way from | $78 (Trip.com) |
Popular in | March |
Cheapest in | July |
Average price | $313 |
Good round-trip deal | $245 or less |
Good one-way deal | $177 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 April 3, 2026.
Use the filters below to find and compare flights from Pennsylvania to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
New YorkDenver
LGA - DEN
LGADEN
New York LaGuardia
Sat 5/2
4:25 pm-6:55 pm
Nonstop4h 30m
Denver Intl
Tue 5/5
6:10 am-11:50 am
Nonstop3h 40m
$227
New YorkDenver
JFK - DEN
JFKDEN
New York John F Kennedy Intl
Fri 5/15
7:55 pm-10:40 pm
Nonstop4h 45m
Denver Intl
Wed 5/20
6:30 am-12:20 pm
Nonstop3h 50m
$232
PhiladelphiaDenver
PHL - DEN
PHLDEN
Philadelphia
Tue 6/2
11:28 am-3:36 pm
1 stop6h 08m
Denver Intl
Fri 6/5
12:56 am-9:23 am
1 stop6h 27m
$239
New YorkDenver
JFK - DEN
JFKDEN
New York John F Kennedy Intl
Mon 6/1
8:30 am-11:00 am
Nonstop4h 30m
Denver Intl
Thu 6/4
11:50 pm-5:45 am
Nonstop3h 55m
$257
Washington, D.C.Denver
IAD - DEN
IADDEN
Washington, D.C. Dulles Intl
Thu 5/7
5:55 am-7:45 am
Nonstop3h 50m
Denver Intl
Mon 5/11
7:05 pm-12:20 am
Nonstop3h 15m
$277
New YorkDenver
JFK - DEN
JFKDEN
New York John F Kennedy Intl
Sun 8/16
7:59 pm-10:49 pm
Nonstop4h 50m
Denver Intl
Sat 8/22
6:30 am-12:25 pm
Nonstop3h 55m
$277
New YorkDenver
LGA - DEN
LGADEN
New York LaGuardia
Wed 6/24
6:59 pm-9:26 pm
Nonstop4h 27m
Denver Intl
Thu 7/9
7:10 am-12:52 pm
Nonstop3h 42m
$277
PhiladelphiaDenver
PHL - DEN
PHLDEN
Philadelphia
Sat 5/9
5:45 am-12:12 pm
1 stop8h 27m
Denver Intl
Sun 5/10
6:19 pm-6:10 am
1 stop9h 51m
$279
PhiladelphiaDenver
PHL - DEN
PHLDEN
Philadelphia
Fri 5/8
7:01 pm-11:41 pm
1 stop6h 40m
Denver Intl
Mon 5/11
3:12 pm-11:07 pm
1 stop5h 55m
$279
Washington, D.C.Denver
DCA - DEN
DCADEN
Washington, D.C. Reagan-National
Wed 4/29
3:50 pm-7:30 pm
1 stop5h 40m
Denver Intl
Wed 5/6
8:45 am-6:15 pm
2 stops7h 30m
$282
Showing 1-10 of 60 resultsSorted by cheapest first
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.
LGA-DEN
JFK-DEN
PHL-DEN
ABE-DEN
EWR-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
LGA-DEN
JFK-DEN
PHL-DEN
ABE-DEN
What is the cheapest month to book a flight from Pennsylvania to Denver?
Currently, February is the cheapest month in which you can book a flight from Pennsylvania to Denver (average of $85). Flying from Pennsylvania to Denver in March is currently the most expensive (average of $155). 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 April 3, 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 evening could potentially save you up to 9% 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 March 28, 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 April 3, 2026.
The most flights from USPA to DEN are scheduled on a Thursday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).
How much does it cost to fly round-trip from Pennsylvania to Denver?
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
Westminster
Broomfield
Golden
Centennial
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Fort Morgan
Glendale
Brighton
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Denver flight routes
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Alternative routes for Pennsylvania to Denver
See prices for flight routes from nearby airports that may be better suited for you.
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 April 3, 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 April 3, 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 April 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$72 | Average$236 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$106 | Average$204 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$128 | Average$317 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$130 | Average$325 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$177 | Average$422 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$184 | Average$409 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$198 | Average$396 | FlexibilityNo cancel fee | On-time63% |