$64+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — DEN
Aug 8 — Aug 151
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 July 9, 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 July 9, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:30 am
ABE
- DEN
Nonstop3h 46m
Allegiant Air
Fri 10/210:14 am
DEN
- ABE
Nonstop3h 28m
Allegiant Air
Deal found 7/8![Allegiant Air logo]()
$117
This Cheapflightsfares deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:30 am
ABE
- DEN
Nonstop3h 46m
Allegiant Air
Fri 10/210:14 am
DEN
- ABE
Nonstop3h 28m
Allegiant Air
Deal found 7/7![Allegiant Air logo]()
$123
This Cheapflightsfares deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:30 am
ABE
- DEN
Nonstop3h 46m
Allegiant Air
Fri 9/259:36 am
DEN
- ABE
Nonstop3h 32m
Allegiant Air
Deal found 7/5![Allegiant Air logo]()
$136
This Cheapflightsfares deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:30 am
ABE
- DEN
Nonstop3h 52m
Allegiant Air
Fri 9/410:06 am
DEN
- ABE
Nonstop3h 32m
Allegiant Air
Deal found 7/5![Allegiant Air logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/247:00 am
ABE
- DEN
Nonstop3h 52m
Allegiant Air
Fri 8/289:42 am
DEN
- ABE
Nonstop3h 29m
Allegiant Air
Deal found 7/7![Allegiant Air logo]()
$147
This Cheapflightsfares deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:30 am
ABE
- DEN
Nonstop3h 54m
Allegiant Air
Fri 10/910:14 am
DEN
- ABE
Nonstop3h 28m
Allegiant Air
Deal found 7/5![Allegiant Air logo]()
$157
This Cheapflightsfares deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 10/167:30 am
ABE
- DEN
Nonstop3h 54m
Allegiant Air
Mon 10/1910:14 am
DEN
- ABE
Nonstop3h 28m
Allegiant Air
Deal found 7/7![Allegiant Air logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 9/257:00 am
ABE
- DEN
Nonstop3h 46m
Allegiant Air
Fri 10/210:14 am
DEN
- ABE
Nonstop3h 28m
Allegiant Air
Deal found 7/7![Allegiant Air logo]()
$163
This Cheapflightsfares deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:00 am
ABE
- DEN
Nonstop3h 46m
Allegiant Air
Fri 9/119:36 am
DEN
- ABE
Nonstop3h 32m
Allegiant Air
Deal found 7/6![Allegiant Air logo]()
$167
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/136:34 pm
AVP
- DEN
1 stop7h 25m
American Airlines
Mon 8/1712:19 pm
DEN
- AVP
2 stops8h 53m
American Airlines
Deal found 7/7![American Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:30 am
PHL
- DEN
1 stop7h 30m
Frontier
Fri 8/711:59 pm
DEN
- PHL
1 stop6h 40m
Frontier
Deal found 7/5![Frontier logo]()
$253
This Cheapflightsfares deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/412:44 pm
PHL
- DEN
Nonstop4h 14m
Frontier
Wed 8/1211:52 pm
DEN
- PHL
1 stop21h 03m
Frontier
Deal found 7/6![Frontier logo]()
$254
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 July 9, 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 July 9, 2026.
This Delta deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/145:16 pm
PHL
- DEN
1 stop9h 20m
Delta
Mon 8/1712:50 am
DEN
- PHL
1 stop6h 48m
Delta
Deal found 7/8![Delta logo]()
$264
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/175:55 am
PHL
- DEN
2 stops9h 50m
Southwest
Wed 8/196:35 am
DEN
- PHL
2 stops7h 25m
Southwest
Deal found 7/7![Southwest logo]()
$269
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/213:01 pm
AVP
- DEN
1 stop6h 29m
United Airlines
Mon 8/2411:59 pm
DEN
- AVP
1 stop7h 47m
United Airlines
Deal found 7/8![United Airlines logo]()
$290
This American Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 9/226:15 pm
AVP
- DEN
1 stop8h 02m
American Airlines
Sat 9/2610:47 am
DEN
- AVP
2 stops11h 12m
American Airlines
Deal found 7/8![American Airlines logo]()
$296
This JetBlue deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/178:15 pm
JFK
- DEN
Nonstop4h 43m
JetBlue
Mon 8/2411:37 pm
DEN
- JFK
1 stop8h 22m
JetBlue
Deal found 7/8![JetBlue logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 7/136:00 pm
DCA
- DEN
Nonstop4h 07m
Frontier
Wed 7/154:28 pm
DEN
- DCA
Nonstop3h 31m
Frontier
Deal found 7/8![Frontier logo]()
$362
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:50 pm
JFK
- DEN
Nonstop4h 54m
Delta
Sat 8/86:40 am
DEN
- JFK
Nonstop3h 52m
Delta
Deal found 7/5![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:50 pm
JFK
- DEN
Nonstop4h 54m
Delta
Sat 8/226:40 am
DEN
- JFK
Nonstop3h 52m
Delta
Deal found 7/4![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 9/54:10 pm
LGA
- DEN
1 stop7h 34m
United Airlines
Sat 9/122:00 pm
DEN
- LGA
Nonstop3h 52m
United Airlines
Deal found 7/8![United Airlines logo]()
$311
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/147:25 am
LGA
- DEN
2 stops8h 20m
Southwest
Mon 8/1712:50 pm
DEN
- LGA
2 stops7h 25m
Southwest
Deal found 7/7![Southwest logo]()
$315
This JetBlue deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/222:15 pm
DCA
- DEN
1 stop10h 27m
JetBlue
Sun 8/3011:37 pm
DEN
- DCA
1 stop10h 24m
JetBlue
Deal found 7/5![JetBlue logo]()
$329
This American Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:31 pm
AVP
- DEN
1 stop7h 55m
American Airlines
Sat 10/242:19 pm
DEN
- AVP
1 stop8h 16m
American Airlines
Deal found 7/4![American Airlines logo]()
$353
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:15 am
LGA
- DEN
1 stop8h 19m
United Airlines
Wed 8/1911:59 pm
DEN
- LGA
1 stop7h 40m
United Airlines
Deal found 7/8![United Airlines logo]()
$321
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 9/244:35 pm
LGA
- DEN
1 stop6h 40m
Southwest
Sun 9/276:50 am
DEN
- LGA
Nonstop3h 40m
Southwest
Deal found 7/6![Southwest logo]()
$327
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 10/132:56 pm
MDT
- DEN
1 stop7h 07m
Delta
Tue 10/276:00 am
DEN
- MDT
1 stop6h 11m
Delta
Deal found 7/6![Delta logo]()
$303
This JetBlue deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/158:15 pm
JFK
- DEN
Nonstop4h 43m
JetBlue
Sun 8/2311:37 pm
DEN
- JFK
1 stop8h 22m
JetBlue
Deal found 7/8![JetBlue logo]()
$361
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 10/313:01 pm
AVP
- DEN
1 stop6h 32m
United Airlines
Wed 11/43:00 pm
DEN
- AVP
1 stop7h 27m
United Airlines
Deal found 7/8![United Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/1911:00 am
JFK
- DEN
1 stop10h 52m
Delta
Sat 8/226:40 am
DEN
- JFK
Nonstop3h 52m
Delta
Deal found 7/8![Delta logo]()
$308
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 9/153:05 pm
PHL
- DEN
1 stop6h 35m
Southwest
Sun 9/2010:50 am
DEN
- PHL
2 stops10h 40m
Southwest
Deal found 7/7![Southwest logo]()
$342
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2410:23 pm
IAD
- DEN
Nonstop4h 07m
United Airlines
Thu 7/306:13 am
DEN
- IAD
Nonstop3h 28m
United Airlines
Deal found 7/8![United Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/248:55 pm
LGA
- DEN
Nonstop4h 35m
Southwest
Wed 7/296:10 am
DEN
- LGA
Nonstop3h 40m
Southwest
Deal found 7/8![Southwest logo]()
$342
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:50 pm
LGA
- DEN
Nonstop4h 45m
Delta
Wed 8/57:10 am
DEN
- LGA
Nonstop3h 42m
Delta
Deal found 7/4![Delta logo]()
$312
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 9/49:05 pm
LGA
- DEN
Nonstop4h 10m
Southwest
Mon 9/77:50 am
DEN
- LGA
1 stop7h 05m
Southwest
Deal found 7/7![Southwest logo]()
$343
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:30 am
LGA
- DEN
Nonstop4h 15m
Delta
Tue 9/87:10 am
DEN
- LGA
Nonstop3h 41m
Delta
Deal found 7/4![Delta logo]()
$312
This United Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/2910:32 am
ABE
- DEN
1 stop8h 02m
United Airlines
Tue 9/17:45 am
DEN
- ABE
1 stop7h 15m
United Airlines
Deal found 7/7![United Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:31 pm
AVP
- DEN
1 stop7h 27m
American Airlines
Fri 10/234:07 pm
DEN
- AVP
1 stop6h 28m
American Airlines
Deal found 7/4![American Airlines logo]()
$490
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 10/77:45 am
PHL
- DEN
2 stops11h 10m
Southwest
Sat 10/107:45 am
DEN
- PHL
2 stops9h 30m
Southwest
Deal found 7/7![Southwest logo]()
$348
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:50 pm
JFK
- DEN
Nonstop4h 54m
Delta
Sun 8/306:40 am
DEN
- JFK
Nonstop3h 52m
Delta
Deal found 7/5![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 10/63:10 pm
AVP
- DEN
1 stop6h 20m
United Airlines
Sat 10/1011:52 pm
DEN
- AVP
1 stop7h 54m
United Airlines
Deal found 7/7![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 9/259:10 am
DCA
- DEN
1 stop6h 40m
Southwest
Sun 9/276:00 am
DEN
- DCA
1 stop7h 20m
Southwest
Deal found 7/8![Southwest logo]()
$355
Last-minute flights from Pennsylvania to DenverDiscover last-minute flight deals from Pennsylvania to Denver. Data last updated July 9, 2026 and is based on user searches.
Discover last-minute flight deals from Pennsylvania to Denver. Data last updated July 9, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 7/1412:44 pm
PHL
- DEN
Nonstop4h 14m
Frontier
Tue 8/1811:59 pm
DEN
- PHL
Nonstop3h 40m
Frontier
Deal found 7/6![Frontier logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 7/2210:00 pm
LGA
- DEN
1 stop13h 03m
Frontier
Sat 7/2510:09 am
DEN
- LGA
1 stop9h 51m
Frontier
Deal found 7/8![Frontier logo]()
$263
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/136:34 pm
AVP
- DEN
1 stop7h 25m
American Airlines
Mon 8/1712:19 pm
DEN
- AVP
2 stops8h 53m
American Airlines
Deal found 7/7![American Airlines logo]()
$236
This Cheapflightsfares deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/142:54 pm
ABE
- DEN
Nonstop4h 02m
Allegiant Air
Mon 8/175:46 pm
DEN
- ABE
Nonstop3h 28m
Allegiant Air
Deal found 7/8![Allegiant Air logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/142:54 pm
ABE
- DEN
Nonstop4h 02m
Allegiant Air
Fri 8/219:42 am
DEN
- ABE
Nonstop3h 29m
Allegiant Air
Deal found 7/7![Allegiant Air logo]()
$209
This Cheapflightsfares deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/172:54 pm
ABE
- DEN
Nonstop4h 02m
Allegiant Air
Fri 8/219:42 am
DEN
- ABE
Nonstop3h 29m
Allegiant Air
Deal found 7/4![Allegiant Air logo]()
$190
This American Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/176:34 pm
AVP
- DEN
1 stop7h 25m
American Airlines
Fri 8/211:20 pm
DEN
- AVP
1 stop7h 52m
American Airlines
Deal found 7/8![American Airlines logo]()
$261
This CheapOair deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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.
Fri 8/211:00 pm
JFK
- DEN
1 stop11h 10m
Multiple Airlines
Tue 8/252:04 pm
DEN
- JFK
Nonstop4h 00m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/247:00 am
ABE
- DEN
Nonstop3h 52m
Allegiant Air
Fri 8/289:42 am
DEN
- ABE
Nonstop3h 29m
Allegiant Air
Deal found 7/7![Allegiant Air logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/247:00 am
ABE
- DEN
Nonstop3h 52m
Allegiant Air
Mon 8/3110:12 am
DEN
- ABE
Nonstop3h 29m
Allegiant Air
Deal found 7/6![Allegiant Air logo]()
$204
This Cheapflightsfares deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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
Mon 8/3110:12 am
DEN
- ABE
Nonstop3h 29m
Allegiant Air
Deal found 7/6![Allegiant Air logo]()
$203
This Cheapflightsfares deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:30 am
ABE
- DEN
Nonstop3h 52m
Allegiant Air
Fri 9/410:06 am
DEN
- ABE
Nonstop3h 32m
Allegiant Air
Deal found 7/5![Allegiant Air logo]()
$144
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 July 9, 2026.
Search for one-way flight options from Pennsylvania to Denver. Find affordable one-way fares based on user searches. Data last updated July 9, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:00 am
ABE
- DEN
Nonstop3h 52m
Allegiant Air
Deal found 7/8![Allegiant Air logo]()
$64
This JetBlue deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 9/17:10 am
PIT
- DEN
1 stop7h 54m
JetBlue
Deal found 7/6![JetBlue logo]()
$95
This Cheapflightsfares deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/32:57 pm
ABE
- DEN
Nonstop4h 00m
Allegiant Air
Deal found 7/4![Allegiant Air logo]()
$108
This CheapOair deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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.
Thu 8/277:10 am
PIT
- DEN
1 stop7h 55m
JetBlue
Deal found 7/8![JetBlue logo]()
$110
This American Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/185:12 pm
ABE
- DEN
1 stop8h 47m
American Airlines
Deal found 7/8![American Airlines logo]()
$116
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/136:34 pm
AVP
- DEN
1 stop7h 25m
American Airlines
Deal found 7/7![American Airlines logo]()
$116
This JetBlue deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/307:10 am
PIT
- DEN
1 stop7h 55m
JetBlue
Deal found 7/4![JetBlue logo]()
$118
This Delta deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/86:09 pm
ABE
- DEN
1 stop6h 56m
Delta
Deal found 7/7![Delta logo]()
$119
This Super.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 7/247:30 am
ABE
- DEN
Nonstop4h 00m
Allegiant Air
Deal found 7/6![Allegiant Air logo]()
$124
This Southwest deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/316:35 pm
PIT
- DEN
Nonstop3h 20m
Southwest
Deal found 7/8![Southwest logo]()
$126
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/66:35 pm
PIT
- DEN
Nonstop3h 20m
Southwest
Deal found 7/7![Southwest logo]()
$127
This Frontier deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/1212:49 pm
PIT
- DEN
1 stop12h 11m
Frontier
Deal found 7/8![Frontier logo]()
$131
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 July 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $117 (Cheapflightsfares) |
One-way from | $64 (Cheapflightsfares) |
Popular in | June |
Cheapest in | August |
Average price | $345 |
Good round-trip deal | $195 or less |
Good one-way deal | $159 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 July 9, 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
PhiladelphiaDenver
PHL - DEN
PHLDEN
Philadelphia
Fri 8/14
5:16 pm-12:36 am
1 stop9h 20m
Denver Intl
Mon 8/17
12:50 am-9:38 am
1 stop6h 48m
$264
PhiladelphiaDenver
PHL - DEN
PHLDEN
Philadelphia
Mon 8/17
5:55 am-1:45 pm
2 stops9h 50m
Denver Intl
Wed 8/19
6:35 am-4:00 pm
2 stops7h 25m
$269
New YorkDenver
JFK - DEN
JFKDEN
New York John F Kennedy Intl
Tue 8/4
7:50 pm-10:44 pm
Nonstop4h 54m
Denver Intl
Sat 8/8
6:40 am-12:32 pm
Nonstop3h 52m
$277
New YorkDenver
JFK - DEN
JFKDEN
New York John F Kennedy Intl
Sat 8/15
7:50 pm-10:44 pm
Nonstop4h 54m
Denver Intl
Sat 8/22
6:40 am-12:32 pm
Nonstop3h 52m
$277
ScrantonDenver
AVP - DEN
AVPDEN
Wilkes-Barre Scranton
Fri 8/21
3:01 pm-7:30 pm
1 stop6h 29m
Denver Intl
Mon 8/24
11:59 pm-9:46 am
1 stop7h 47m
$290
ScrantonDenver
AVP - DEN
AVPDEN
Wilkes-Barre Scranton
Tue 9/22
6:15 pm-12:17 am
1 stop8h 02m
Denver Intl
Sat 9/26
10:47 am-11:59 pm
2 stops11h 12m
$296
HarrisburgDenver
MDT - DEN
MDTDEN
Harrisburg
Tue 10/13
2:56 pm-8:03 pm
1 stop7h 07m
Denver Intl
Tue 10/27
6:00 am-2:11 pm
1 stop6h 11m
$303
New YorkDenver
JFK - DEN
JFKDEN
New York John F Kennedy Intl
Wed 8/19
11:00 am-7:52 pm
1 stop10h 52m
Denver Intl
Sat 8/22
6:40 am-12:32 pm
Nonstop3h 52m
$308
New YorkDenver
LGA - DEN
LGADEN
New York LaGuardia
Sat 9/5
4:10 pm-9:44 pm
1 stop7h 34m
Denver Intl
Sat 9/12
2:00 pm-7:52 pm
Nonstop3h 52m
$311
New YorkDenver
LGA - DEN
LGADEN
New York LaGuardia
Wed 7/29
6:50 pm-9:35 pm
Nonstop4h 45m
Denver Intl
Wed 8/5
7:10 am-12:52 pm
Nonstop3h 42m
$312
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.
ABE-DEN
PIT-DEN
AVP-DEN
PHL-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
ABE-DEN
PIT-DEN
AVP-DEN
PHL-DEN
What is the cheapest month to book a flight from Pennsylvania to Denver?
Currently, August is the cheapest month in which you can book a flight from Pennsylvania to Denver (average of $274). Flying from Pennsylvania to Denver in December is currently the most expensive (average of $645). 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 July 9, 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 22% on airfare.
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 July 9, 2026.
The most flights from USPA to DEN are scheduled on a Monday (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).
How much does it cost to fly round-trip from Pennsylvania to Denver?
How far ahead should I book a flight from Pennsylvania to Denver?
The best time to book flights from Pennsylvania to Denver is 32 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 July 4, 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. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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
Westminster
Centennial
Lakewood
Broomfield
Golden
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Fort Morgan
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Glendale
Evergreen
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.
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Complete your 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 July 9, 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 July 9, 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 July 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$72 | Average$218 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$128 | Average$248 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$145 | Average$354 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$148 | Average$447 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$169 | Average$362 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$184 | Average$412 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$201 | Average$442 | FlexibilityNo cancel fee | On-time63% |