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Pennsylvania

$71+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PHL
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Colorado to Pennsylvania

Keep the following information in mind while searching for Colorado to Pennsylvania flight deals. Data was last updated October 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$123
(CheapOair)

One-way from

$71
(CheapOair)

Popular in

December

Cheapest in

September

Average price

$307

Good round-trip deal

$165 or less

Good one-way deal

$131 or less
Provider with most accurate pricing for Denver Intl-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Philadelphia flights.
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From Colorado to Pennsylvania
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One-way flight from Colorado to Pennsylvania
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Highest demand for flights based on searches. 10% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Colorado to Pennsylvania.
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Price to beat on a one-way flight from Colorado to Pennsylvania.
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Find flight deals from Colorado to Pennsylvania

Cheapest flights from Colorado to Pennsylvania
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 October 30, 2025.

This CheapOair deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/54:25 pmDEN - LGA
Nonstop3h 35mFrontier
Mon 12/84:30 pmLGA - DEN
1 stop29h 43mFrontier
Deal found 10/30$123
This CheapOair deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1812:16 amDEN - JFK
1 stop8h 13mFrontier
Sun 11/231:01 pmJFK - DEN
Nonstop4h 41mFrontier
Deal found 10/30$124
This Priceline deal was found by Cheapflights users on 10/30. 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.
Tue 11/1812:59 amDEN - LGA
1 stop8h 30mFrontier
Fri 11/2110:58 pmLGA - DEN
Nonstop4h 32mFrontier
Deal found 10/30$124
This CheapOair deal was found by Cheapflights users on 10/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/184:08 pmDEN - LGA
Nonstop3h 52mFrontier
Fri 11/2110:58 pmLGA - DEN
Nonstop4h 32mFrontier
Deal found 10/29$125
This CheapOair deal was found by Cheapflights users on 10/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/129:09 amDEN - JFK
Nonstop3h 51mFrontier
Mon 11/177:59 amJFK - DEN
1 stop22h 00mFrontier
Deal found 10/29$126
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/134:08 pmDEN - LGA
Nonstop3h 52mFrontier
Mon 11/1710:55 pmLGA - DEN
1 stop14h 38mFrontier
Deal found 10/30$126
This CheapOair deal was found by Cheapflights users on 10/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1011:25 pmDEN - JFK
1 stop22h 42mFrontier
Sat 12/134:29 pmJFK - DEN
Nonstop4h 40mFrontier
Deal found 10/29$127
This Frontier deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/114:08 pmDEN - LGA
Nonstop3h 52mFrontier
Tue 11/1810:55 pmLGA - DEN
Nonstop4h 13mFrontier
Deal found 10/29$127
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/69:05 pmDEN - JFK
1 stop11h 20mFrontier
Sat 12/134:29 pmJFK - DEN
Nonstop4h 40mFrontier
Deal found 10/29$128
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/69:30 amDEN - LGA
1 stop9h 43mFrontier
Sat 12/1310:55 pmLGA - DEN
Nonstop4h 28mFrontier
Deal found 10/29$128
This Priceline deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1512:25 pmDEN - IAD
1 stop9h 30mFrontier
Tue 11/188:40 amIAD - DEN
1 stop7h 05mFrontier
Deal found 10/28$130
This Frontier deal was found by Cheapflights users on 10/30. 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.
Sat 11/158:00 amDEN - LGA
1 stop10h 01mFrontier
Tue 11/186:24 amLGA - DEN
1 stop9h 21mFrontier
Deal found 10/30$130

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 October 30, 2025.
Use the filters below to find and compare flights from Colorado to Pennsylvania that are best for you.

Fly from

Colorado

Fly to

Pennsylvania

Route

Depart

Return

Price

DenverNew York

DEN - JFK

DENJFK

Denver Intl

Mon 12/8

11:28 pm-5:00 am

Nonstop3h 32m

New York John F Kennedy Intl

Thu 12/11

7:30 pm-10:07 pm

Nonstop4h 37m

$167

DenverNew York

DEN - JFK

DENJFK

Denver Intl

Tue 12/2

11:59 pm-5:44 am

Nonstop3h 45m

New York John F Kennedy Intl

Fri 12/5

4:30 pm-7:01 pm

Nonstop4h 31m

$177

DenverNew York

DEN - JFK

DENJFK

Denver Intl

Fri 12/5

11:59 pm-6:00 am

Nonstop4h 01m

New York John F Kennedy Intl

Tue 12/9

4:30 pm-7:01 pm

Nonstop4h 31m

$177

DenverNew York

DEN - LGA

DENLGA

Denver Intl

Tue 12/9

11:23 am-5:01 pm

Nonstop3h 38m

New York LaGuardia

Wed 12/10

7:30 am-10:01 am

Nonstop4h 31m

$177

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Tue 2/10

7:50 am-1:17 pm

Nonstop3h 27m

Washington, D.C. Dulles Intl

Fri 2/13

10:25 pm-12:30 am

Nonstop4h 05m

$197

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Thu 2/12

9:35 am-2:59 pm

Nonstop3h 24m

Washington, D.C. Reagan-National

Tue 2/17

4:11 pm-6:29 pm

Nonstop4h 18m

$197

DenverNew York

DEN - JFK

DENJFK

Denver Intl

Tue 12/2

11:59 pm-5:44 am

Nonstop3h 45m

New York John F Kennedy Intl

Thu 12/4

8:10 am-10:53 am

Nonstop4h 43m

$197

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Thu 11/13

11:51 am-10:59 pm

1 stop9h 08m

Washington, D.C. Reagan-National

Tue 11/18

6:24 am-11:05 am

1 stop6h 41m

$201

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Fri 11/14

11:51 am-10:59 pm

1 stop9h 08m

Washington, D.C. Reagan-National

Tue 11/18

6:24 am-11:05 am

1 stop6h 41m

$201

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Thu 11/13

11:51 am-10:59 pm

1 stop9h 08m

Washington, D.C. Reagan-National

Sun 11/16

6:24 am-11:05 am

1 stop6h 41m

$201

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 60 results
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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.
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

What is the cheapest month to book a flight from Colorado to Pennsylvania?

Currently, May is the cheapest month in which you can book a flight from Colorado to Pennsylvania (average of $62). Flying from Colorado to Pennsylvania in July is currently the most expensive (average of $175). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CO to PA?

Find hourly flight availability from Colorado to Pennsylvania. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 34% on flights from Colorado to Pennsylvania by exploring options for tickets in the evening.

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 December 16, 2024.

Travelers seeking maximum savings on their Colorado to Pennsylvania flight should consider departing on Tuesday evenings 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 October 30, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Colorado to Pennsylvania have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,243 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,998 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,998 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,035 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,122 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

  • How popular is this Colorado to Pennsylvania flight route?

    Within the past month, 69 users have taken a look at flights from Colorado to Pennsylvania.

  • How long is the flight from Colorado to Pennsylvania?

    A quick flight from Colorado to Pennsylvania can take about 3h 27m. JetBlue provides one of the quickest options available for as low as $197. The distance between Colorado and Pennsylvania is about 1448 mi. Most flights are nonstop.

  • What are the cheapest airlines to fly from Colorado to Pennsylvania one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $89. Users have also found prices from $89 and $94 on Southwest and Delta, respectively.

  • Can I find deals for flights from Colorado to Pennsylvania that include hotel bookings?

    Yes. In addition to deals on Colorado to Pennsylvania flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado to Pennsylvania?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Pennsylvania.

  • Can I find deals for business class flights from Colorado to Pennsylvania?

    Yes. Cheapflights offers flight deals from Colorado to Pennsylvania by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Colorado to Pennsylvania?

    Currently, May is the cheapest month in which you can book a flight from Colorado to Pennsylvania (average of $62). Flying from Colorado to Pennsylvania in July is currently the most expensive (average of $175). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Colorado to Pennsylvania

See prices for flight routes from nearby airports that may be better suited for you.
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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$99Average$244FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$122Average$280FlexibilityNo cancel feeOn-time62%
DeltaCheapest$128Average$405FlexibilityNo cancel feeOn-timeN/A
Allegiant AirCheapest$136Average$200FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$160Average$438FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$163Average$515FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$201Average$428FlexibilityNo cancel feeOn-time63%

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