$100+ Cheap flights from Colorado to Pennsylvania
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PHL
Jul 27 — Aug 31
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Colorado to Pennsylvania with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Colorado to Pennsylvania
Cheapest
Best
Last-minute
One-way
Cheapest flights from Colorado to PennsylvaniaExplore the most affordable flight options available from Colorado to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 27, 2026.
Explore the most affordable flight options available from Colorado to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 27, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 10/213:15 pm
DEN
- JFK
Nonstop3h 53m
JetBlue
Wed 10/2812:00 pm
JFK
- DEN
Nonstop4h 34m
JetBlue
Deal found 6/23![JetBlue logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 7/286:30 am
DEN
- LGA
1 stop9h 21m
Frontier
Thu 7/3010:00 pm
LGA
- DEN
1 stop13h 03m
Frontier
Deal found 6/24![Frontier logo]()
$259
This Trip.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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.
Fri 8/711:59 pm
DEN
- JFK
1 stop9h 51m
Frontier
Wed 8/121:00 pm
JFK
- DEN
1 stop11h 05m
Frontier
Deal found 6/24![Frontier logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 7/119:58 am
DEN
- LGA
1 stop10h 45m
Frontier
Tue 7/1410:00 pm
LGA
- DEN
1 stop13h 03m
Frontier
Deal found 6/23![Frontier logo]()
$260
This Expedia deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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.
Fri 8/711:59 pm
DEN
- JFK
1 stop9h 51m
Multiple Airlines
Tue 8/188:15 pm
JFK
- DEN
Nonstop4h 43m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 7/103:52 pm
DEN
- LGA
1 stop25h 52m
Frontier
Wed 7/154:45 pm
LGA
- DEN
1 stop9h 03m
Frontier
Deal found 6/22![Frontier logo]()
$261
This Trip.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 7/153:52 pm
DEN
- LGA
1 stop25h 52m
Frontier
Wed 7/2210:00 pm
LGA
- DEN
1 stop13h 03m
Frontier
Deal found 6/25![Frontier logo]()
$262
This Frontier deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 9/811:59 pm
DEN
- JFK
1 stop9h 52m
Frontier
Sat 9/121:00 pm
JFK
- DEN
1 stop11h 33m
Frontier
Deal found 6/24![Frontier logo]()
$265
This Kissandfly.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:10 am
DEN
- LGA
Nonstop3h 42m
Frontier
Sat 8/2210:55 pm
LGA
- DEN
1 stop9h 33m
Frontier
Deal found 6/23![Frontier logo]()
$265
This Expedia deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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.
Wed 8/511:59 pm
DEN
- JFK
Nonstop3h 51m
Multiple Airlines
Sat 8/81:00 pm
JFK
- DEN
1 stop11h 28m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$266
This Trip.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 7/146:30 am
DEN
- LGA
1 stop9h 21m
Frontier
Fri 7/176:29 am
LGA
- DEN
1 stop9h 31m
Frontier
Deal found 6/23![Frontier logo]()
$266
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 10/712:20 pm
DEN
- JFK
Nonstop4h 02m
Delta
Sat 10/108:10 am
JFK
- DEN
Nonstop4h 43m
Delta
Deal found 6/22![Delta logo]()
$267
Best flights from Colorado to PennsylvaniaDiscover carefully curated flight deals from Colorado to Pennsylvania that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 27, 2026.
Discover carefully curated flight deals from Colorado to Pennsylvania that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 27, 2026.
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 9/112:05 pm
DEN
- JFK
Nonstop4h 15m
Delta
Tue 9/88:20 am
JFK
- DEN
Nonstop4h 28m
Delta
Deal found 6/26![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 7/216:13 am
DEN
- LGA
1 stop5h 57m
United Airlines
Tue 7/216:29 pm
LGA
- DEN
Nonstop4h 33m
United Airlines
Deal found 6/24![United Airlines logo]()
$287
This JetBlue deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 9/52:04 pm
DEN
- JFK
Nonstop4h 00m
JetBlue
Sun 9/610:32 am
JFK
- DEN
Nonstop4h 25m
JetBlue
Deal found 6/24![JetBlue logo]()
$297
This Southwest deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 7/76:10 am
DEN
- LGA
Nonstop3h 40m
Southwest
Sat 7/118:15 am
LGA
- DEN
1 stop8h 50m
Southwest
Deal found 6/23![Southwest logo]()
$307
This American Airlines deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 8/68:00 am
COS
- LGA
1 stop8h 26m
American Airlines
Mon 8/106:00 pm
LGA
- COS
1 stop6h 53m
American Airlines
Deal found 6/26![American Airlines logo]()
$373
This Alaska Airlines deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 10/1612:31 pm
DEN
- IAD
1 stop27h 22m
Alaska Airlines
Sun 10/187:00 am
IAD
- DEN
1 stop13h 00m
Alaska Airlines
Deal found 6/26![Alaska Airlines logo]()
$510
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 8/86:40 am
DEN
- JFK
Nonstop3h 52m
Delta
Sat 8/227:50 pm
JFK
- DEN
Nonstop4h 54m
Delta
Deal found 6/23![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 8/156:40 am
DEN
- JFK
Nonstop3h 52m
Delta
Sat 8/227:50 pm
JFK
- DEN
Nonstop4h 54m
Delta
Deal found 6/27![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 8/2111:55 am
COS
- LGA
1 stop6h 29m
United Airlines
Sun 8/236:10 am
LGA
- COS
1 stop6h 23m
United Airlines
Deal found 6/25![United Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 9/1911:10 am
DEN
- LGA
2 stops8h 35m
Southwest
Mon 9/214:35 pm
LGA
- DEN
1 stop6h 40m
Southwest
Deal found 6/23![Southwest logo]()
$327
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 8/56:00 am
COS
- LGA
2 stops11h 36m
Delta
Tue 8/113:00 pm
LGA
- COS
1 stop8h 38m
Delta
Deal found 6/25![Delta logo]()
$292
This JetBlue deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 7/1311:49 pm
DEN
- JFK
Nonstop3h 51m
JetBlue
Sun 7/198:16 pm
JFK
- DEN
Nonstop4h 43m
JetBlue
Deal found 6/22![JetBlue logo]()
$362
This Southwest deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/255:30 am
DEN
- DCA
2 stops7h 30m
Southwest
Sat 8/16:35 pm
DCA
- DEN
1 stop5h 40m
Southwest
Deal found 6/26![Southwest logo]()
$338
This United Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 8/51:30 pm
COS
- EWR
1 stop5h 59m
United Airlines
Wed 8/126:49 pm
EWR
- COS
1 stop7h 06m
United Airlines
Deal found 6/25![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 8/181:20 pm
COS
- LGA
1 stop7h 07m
Delta
Tue 8/2512:59 pm
LGA
- COS
2 stops11h 29m
Delta
Deal found 6/22![Delta logo]()
$292
This Southwest deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/255:30 am
DEN
- DCA
2 stops7h 30m
Southwest
Tue 7/284:00 pm
DCA
- DEN
1 stop5h 50m
Southwest
Deal found 6/26![Southwest logo]()
$338
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 8/126:40 am
DEN
- JFK
Nonstop3h 52m
Delta
Sat 8/157:50 pm
JFK
- DEN
Nonstop4h 54m
Delta
Deal found 6/27![Delta logo]()
$295
This United Airlines deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 8/2911:59 pm
DEN
- EWR
Nonstop3h 44m
United Airlines
Sun 8/307:50 am
EWR
- DEN
Nonstop4h 16m
United Airlines
Deal found 6/26![United Airlines logo]()
$364
This Southwest deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 7/126:05 am
DEN
- LGA
Nonstop3h 40m
Southwest
Thu 7/162:30 pm
LGA
- DEN
1 stop7h 40m
Southwest
Deal found 6/22![Southwest logo]()
$355
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 9/25:20 pm
DEN
- LGA
Nonstop3h 53m
Delta
Sun 9/612:00 pm
LGA
- DEN
Nonstop4h 18m
Delta
Deal found 6/26![Delta logo]()
$297
This United Airlines deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 10/281:32 pm
DRO
- LGA
2 stops7h 55m
United Airlines
Sat 10/313:30 pm
LGA
- DRO
1 stop7h 05m
United Airlines
Deal found 6/26![United Airlines logo]()
$364
This Southwest deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 8/26:05 am
DEN
- LGA
Nonstop3h 40m
Southwest
Mon 8/36:55 am
LGA
- DEN
Nonstop4h 10m
Southwest
Deal found 6/22![Southwest logo]()
$362
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 9/226:00 am
COS
- LGA
1 stop7h 40m
Delta
Wed 9/308:09 am
LGA
- COS
2 stops13h 47m
Delta
Deal found 6/27![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 9/1610:25 am
DRO
- LGA
1 stop7h 29m
United Airlines
Sat 9/193:29 pm
LGA
- DRO
1 stop8h 31m
United Airlines
Deal found 6/26![United Airlines logo]()
$373
This Alaska Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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.
Thu 9/2412:17 pm
DEN
- IAD
1 stop9h 42m
Alaska Airlines
Mon 9/287:47 pm
IAD
- DEN
2 stops24h 23m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$549
This Southwest deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 7/295:00 am
DEN
- PIT
1 stop5h 05m
Southwest
Sat 8/18:45 am
PIT
- DEN
2 stops6h 35m
Southwest
Deal found 6/24![Southwest logo]()
$375
This Delta deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/131:20 pm
COS
- LGA
1 stop7h 07m
Delta
Sat 8/2212:40 pm
LGA
- COS
2 stops11h 48m
Delta
Deal found 6/24![Delta logo]()
$312
This Alaska Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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.
Thu 9/106:17 am
DEN
- EWR
2 stops15h 12m
Alaska Airlines
Sat 9/126:55 am
EWR
- DEN
2 stops16h 18m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$563
This United Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 8/2511:55 am
COS
- LGA
1 stop6h 30m
United Airlines
Wed 8/266:10 am
LGA
- COS
1 stop6h 23m
United Airlines
Deal found 6/22![United Airlines logo]()
$387
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:20 pm
COS
- LGA
1 stop7h 07m
Delta
Tue 9/810:45 am
LGA
- COS
2 stops11h 11m
Delta
Deal found 6/26![Delta logo]()
$312
Last-minute flights from Colorado to PennsylvaniaDiscover last-minute flight deals from Colorado to Pennsylvania. Data last updated June 27, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Pennsylvania. Data last updated June 27, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 7/16:05 am
DEN
- PHL
Nonstop3h 42m
Frontier
Fri 7/1012:46 pm
PHL
- DEN
1 stop12h 14m
Frontier
Deal found 6/23![Frontier logo]()
$270
This Priceline deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 7/811:59 pm
DEN
- JFK
Nonstop3h 51m
Multiple Airlines
Thu 7/91:00 pm
JFK
- DEN
1 stop11h 05m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 7/103:52 pm
DEN
- LGA
1 stop25h 52m
Frontier
Wed 7/154:45 pm
LGA
- DEN
1 stop9h 03m
Frontier
Deal found 6/22![Frontier logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 7/119:58 am
DEN
- LGA
1 stop10h 45m
Frontier
Tue 7/1410:00 pm
LGA
- DEN
1 stop13h 03m
Frontier
Deal found 6/23![Frontier logo]()
$260
This Expedia deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 7/1411:59 pm
DEN
- JFK
Nonstop3h 51m
Multiple Airlines
Fri 7/171:00 pm
JFK
- DEN
1 stop11h 28m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$266
This Trip.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 7/146:30 am
DEN
- LGA
1 stop9h 21m
Frontier
Fri 7/176:29 am
LGA
- DEN
1 stop9h 31m
Frontier
Deal found 6/23![Frontier logo]()
$266
This Trip.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 7/153:52 pm
DEN
- LGA
1 stop25h 52m
Frontier
Wed 7/2210:00 pm
LGA
- DEN
1 stop13h 03m
Frontier
Deal found 6/25![Frontier logo]()
$262
This Cheapflightsfares deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 7/2111:59 pm
DEN
- JFK
Nonstop3h 51m
JetBlue
Tue 8/1810:30 am
JFK
- DEN
Nonstop4h 41m
JetBlue
Deal found 6/24![JetBlue logo]()
$269
This Frontier deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 7/2711:59 pm
DEN
- JFK
1 stop9h 51m
Frontier
Tue 8/41:00 pm
JFK
- DEN
1 stop11h 05m
Frontier
Deal found 6/24![Frontier logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 7/286:30 am
DEN
- LGA
1 stop9h 21m
Frontier
Thu 7/3010:00 pm
LGA
- DEN
1 stop13h 03m
Frontier
Deal found 6/24![Frontier logo]()
$259
This Frontier deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 7/319:58 am
DEN
- LGA
1 stop10h 45m
Frontier
Tue 8/46:29 am
LGA
- DEN
1 stop9h 31m
Frontier
Deal found 6/22![Frontier logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 7/3111:59 pm
DEN
- PHL
1 stop6h 40m
Frontier
Wed 8/54:30 pm
PHL
- DEN
1 stop7h 35m
Frontier
Deal found 6/22![Frontier logo]()
$269
One-way flights from Colorado to PennsylvaniaSearch for one-way flight options from Colorado to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated June 27, 2026.
Search for one-way flight options from Colorado to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated June 27, 2026.
This JetBlue deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 8/1811:37 pm
DEN
- PIT
1 stop10h 26m
JetBlue
Deal found 6/22![JetBlue logo]()
$100
This Cheapflightsfares deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 8/311:37 pm
DEN
- PIT
1 stop9h 26m
JetBlue
Deal found 6/25![JetBlue logo]()
$109
This JetBlue deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 8/2411:37 pm
DEN
- PIT
1 stop10h 26m
JetBlue
Deal found 6/24![JetBlue logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 10/47:34 pm
DEN
- PIT
1 stop24h 02m
Allegiant Air
Deal found 6/25![Allegiant Air logo]()
$117
This JetBlue deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2111:37 pm
DEN
- PIT
1 stop6h 42m
JetBlue
Deal found 6/22![JetBlue logo]()
$118
This Cheapflightsfares deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 8/2311:37 pm
DEN
- PIT
1 stop10h 26m
JetBlue
Deal found 6/25![JetBlue logo]()
$122
This Super.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 8/411:52 pm
DEN
- PIT
1 stop10h 12m
Frontier
Deal found 6/22![Frontier logo]()
$124
This Super.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 8/66:00 am
DEN
- PIT
1 stop10h 15m
Frontier
Deal found 6/23![Frontier logo]()
$128
This Frontier deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 8/176:00 am
DEN
- PIT
1 stop10h 15m
Frontier
Deal found 6/22![Frontier logo]()
$130
This Super.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 7/1411:52 pm
DEN
- PIT
1 stop10h 12m
Frontier
Deal found 6/23![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 8/198:31 am
DEN
- PIT
1 stop25h 20m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$134
This Trip.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/259:58 am
DEN
- PHL
1 stop10h 30m
Frontier
Deal found 6/24![Frontier logo]()
$136
Find flight deals from Colorado to Pennsylvania
Keep the following information in mind while searching for Colorado to Pennsylvania flight deals. Data was last updated June 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $259 (Cheapflightsfares) |
One-way from | $100 (JetBlue) |
Popular in | June |
Cheapest in | February |
Average price | $455 |
Good round-trip deal | $167 or less |
Good one-way deal | $145 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado to Pennsylvania that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 27, 2026.
Use the filters below to find and compare flights from Colorado to Pennsylvania that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverNew York
DEN - JFK
DENJFK
Denver Intl
Tue 9/1
12:05 pm-6:20 pm
Nonstop4h 15m
New York John F Kennedy Intl
Tue 9/8
8:20 am-10:48 am
Nonstop4h 28m
$277
DenverNew York
DEN - JFK
DENJFK
Denver Intl
Sat 8/8
6:40 am-12:32 pm
Nonstop3h 52m
New York John F Kennedy Intl
Sat 8/22
7:50 pm-10:44 pm
Nonstop4h 54m
$277
DenverNew York
DEN - JFK
DENJFK
Denver Intl
Sat 8/15
6:40 am-12:32 pm
Nonstop3h 52m
New York John F Kennedy Intl
Sat 8/22
7:50 pm-10:44 pm
Nonstop4h 54m
$277
DenverNew York
DEN - LGA
DENLGA
Denver Intl
Tue 7/21
6:13 am-2:10 pm
1 stop5h 57m
New York LaGuardia
Tue 7/21
6:29 pm-9:02 pm
Nonstop4h 33m
$287
Colorado SpringsNew York
COS - LGA
COSLGA
Colorado Springs
Wed 8/5
6:00 am-7:36 pm
2 stops11h 36m
New York LaGuardia
Tue 8/11
3:00 pm-9:38 pm
1 stop8h 38m
$292
Colorado SpringsNew York
COS - LGA
COSLGA
Colorado Springs
Tue 8/18
1:20 pm-10:27 pm
1 stop7h 07m
New York LaGuardia
Tue 8/25
12:59 pm-10:28 pm
2 stops11h 29m
$292
DenverNew York
DEN - JFK
DENJFK
Denver Intl
Wed 8/12
6:40 am-12:32 pm
Nonstop3h 52m
New York John F Kennedy Intl
Sat 8/15
7:50 pm-10:44 pm
Nonstop4h 54m
$295
DenverNew York
DEN - JFK
DENJFK
Denver Intl
Sat 9/5
2:04 pm-8:04 pm
Nonstop4h 00m
New York John F Kennedy Intl
Sun 9/6
10:32 am-12:57 pm
Nonstop4h 25m
$297
DenverNew York
DEN - LGA
DENLGA
Denver Intl
Wed 9/2
5:20 pm-11:13 pm
Nonstop3h 53m
New York LaGuardia
Sun 9/6
12:00 pm-2:18 pm
Nonstop4h 18m
$297
DenverNew York
DEN - LGA
DENLGA
Denver Intl
Tue 7/7
6:10 am-11:50 am
Nonstop3h 40m
New York LaGuardia
Sat 7/11
8:15 am-3:05 pm
1 stop8h 50m
$307
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Colorado to Pennsylvania
Have a flexible travel schedule? Discover the best time to fly to Pennsylvania from Colorado with our price prediction graph.
DEN-LGA
DEN-JFK
DEN-PHL
DEN-PIT
COS-LGA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Colorado to Pennsylvania
USCO-USPA
DEN-LGA
DEN-JFK
DEN-PHL
DEN-PIT
What is the cheapest month to book a flight from Colorado to Pennsylvania?
Currently, January is the cheapest month in which you can book a flight from Colorado to Pennsylvania (average of $63). Flying from Colorado to Pennsylvania in March is currently the most expensive (average of $1,001). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from CO to PA?
Find hourly flight availability from Colorado to Pennsylvania. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 27, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 16% on flights from Colorado to Pennsylvania by exploring options for tickets in the afternoon.
Weekly flight availability from Colorado to Pennsylvania
Explore weekly flight availability from Colorado to Pennsylvania. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 27, 2026.
The most flights from USCO to USPA are scheduled on a Friday (22 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).
How much does it cost to fly round-trip from Colorado to Pennsylvania?
How far ahead should I book a flight from Colorado to Pennsylvania?
Booking 51 days in advance of your planned departure date is, on average, the best time to get cheap flights from Colorado to Pennsylvania. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest day to fly from Colorado to Pennsylvania?
Use this chart to determine the cheapest time to fly round-trip from Colorado to Pennsylvania. Price data was last updated on June 20, 2026.
Travelers seeking maximum savings on their Colorado to Pennsylvania flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Pennsylvania
Get insights into the airlines that provide service to Pennsylvania. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pennsylvania. Reviews last updated June 27, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Colorado to Pennsylvania have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Related info for your journey
Find useful and relevant information for your journey from Colorado to Pennsylvania. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
Alternative routes for Colorado to Pennsylvania
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Pennsylvania by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Colorado to Pennsylvania by cabin class
Find flights from Colorado to Pennsylvania, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Colorado and Pennsylvania flights
Browse other Colorado and Pennsylvania flight options. Last updated on June 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Pennsylvania
Find the right flight back to Colorado after your stay in Pennsylvania
Colorado to Pennsylvania flights
Consider these flights traveling from Colorado to Pennsylvania.
Top 7 airlines flying from Colorado to Pennsylvania
Discover the top 7 airlines that operate flights from Colorado to Pennsylvania. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$104 | Average$239 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$122 | Average$300 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$128 | Average$386 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$130 | Average$204 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$139 | Average$458 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$188 | Average$453 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$209 | Average$482 | FlexibilityNo cancel fee | On-time63% |