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Pennsylvania

$86+ 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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PHL
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$161
(American Airlines)

One-way from

$86
(Frontier)

Popular in

December

Cheapest in

September

Average price

$287

Good round-trip deal

$164 or less

Good one-way deal

$102 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. 14% potential increase in price ($49 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 17, 2025.

This American Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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.
Wed 5/712:06 pmDEN - PHL
Nonstop3h 39mAmerican Airlines
Tue 5/137:40 pmPHL - DEN
Nonstop4h 13mAmerican Airlines
Deal found 4/16$161
This Frontier deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 5/2311:30 pmDEN - PHL
Nonstop3h 37mFrontier
Thu 5/2912:59 pmPHL - DEN
Nonstop4h 21mFrontier
Deal found 4/16$169
This Cheapflightsfares deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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.
Thu 5/294:19 pmDEN - LGA
Nonstop3h 51mFrontier
Fri 5/3010:55 pmLGA - DEN
Nonstop4h 22mFrontier
Deal found 4/16$194
This Trip.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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.
Thu 5/226:54 pmDEN - PHL
1 stop14h 17mMultiple Airlines
Sun 5/2512:59 pmPHL - DEN
Nonstop4h 21mMultiple Airlines
Deal found 4/16$199
This American Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 5/244:06 pmDEN - MDT
1 stop6h 01mAmerican Airlines
Wed 5/285:37 amMDT - DEN
1 stop6h 26mAmerican Airlines
Deal found 4/16$209
This Southwest deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 5/71:15 pmDEN - PHL
1 stop6h 55mSouthwest
Tue 5/135:20 pmPHL - DEN
Nonstop4h 15mSouthwest
Deal found 4/16$211
This Cheapflightsfares deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/276:50 amDEN - DCA
Nonstop3h 19mFrontier
Sat 5/36:00 pmDCA - DEN
Nonstop4h 08mFrontier
Deal found 4/17$214
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2411:50 pmDEN - PHL
1 stop7h 49mUnited Airlines
Sat 5/318:00 amPHL - DEN
Nonstop4h 03mUnited Airlines
Deal found 4/17$214
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/146:00 amDEN - IAD
Nonstop3h 25mUnited Airlines
Sat 5/177:59 pmIAD - DEN
Nonstop3h 59mUnited Airlines
Deal found 4/16$217
This American Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 5/179:06 amDEN - DCA
1 stop7h 45mAmerican Airlines
Tue 5/209:30 amDCA - DEN
1 stop6h 49mAmerican Airlines
Deal found 4/16$217
This American Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 5/1711:59 pmDEN - IAD
1 stop6h 39mAmerican Airlines
Wed 5/286:17 amIAD - DEN
1 stop6h 45mAmerican Airlines
Deal found 4/17$227
This JetBlue deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 5/211:59 pmDEN - JFK
Nonstop3h 43mJetBlue
Sat 5/38:12 amJFK - DEN
1 stop6h 54mJetBlue
Deal found 4/16$232

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 April 17, 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

DenverPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Thu 5/29

11:30 pm-5:07 am

Nonstop3h 37m

Philadelphia

Sun 6/1

6:15 am-8:29 am

Nonstop4h 14m

$171

DenverPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Wed 5/7

5:30 pm-11:05 pm

Nonstop3h 35m

Philadelphia

Wed 5/14

5:25 am-7:35 am

Nonstop4h 10m

$186

DenverPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Mon 5/12

7:00 am-12:36 pm

Nonstop3h 36m

Philadelphia

Tue 5/13

7:40 pm-9:53 pm

Nonstop4h 13m

$191

DenverNew York

DEN - LGA

DENLGA

Denver Intl

Thu 5/29

4:19 pm-10:10 pm

Nonstop3h 51m

New York LaGuardia

Fri 5/30

10:55 pm-1:17 am

Nonstop4h 22m

$194

DenverHarrisburg

DEN - MDT

DENMDT

Denver Intl

Sat 5/24

4:06 pm-12:07 am

1 stop6h 01m

Harrisburg

Wed 5/28

5:37 am-10:03 am

1 stop6h 26m

$209

DenverPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Sat 5/24

11:50 pm-9:39 am

1 stop7h 49m

Philadelphia

Wed 5/28

10:10 am-12:17 pm

Nonstop4h 07m

$214

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Sun 4/27

6:50 am-12:09 pm

Nonstop3h 19m

Washington, D.C. Reagan-National

Sat 5/3

6:00 pm-8:08 pm

Nonstop4h 08m

$214

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Wed 5/14

6:00 am-11:25 am

Nonstop3h 25m

Washington, D.C. Dulles Intl

Sat 5/17

7:59 pm-9:58 pm

Nonstop3h 59m

$217

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Sat 5/17

9:06 am-6:51 pm

1 stop7h 45m

Washington, D.C. Reagan-National

Tue 5/20

9:30 am-2:19 pm

1 stop6h 49m

$217

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Sat 5/17

11:59 pm-8:38 am

1 stop6h 39m

Washington, D.C. Dulles Intl

Wed 5/28

6:17 am-11:02 am

1 stop6h 45m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

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, August is the cheapest month in which you can book a flight from Colorado to Pennsylvania (average of $236). Flying from Colorado to Pennsylvania in March is currently the most expensive (average of $295). 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 April 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Pennsylvania as you normally would.

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 April 17, 2025.

The most flights from USCO to USPA are scheduled on a Thursday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Pennsylvania by month

Plan your trip to Pennsylvania by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Pennsylvania ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Pennsylvania when rainfall is around 2.7 in.

Temperature in Pennsylvania by month

Plan your trip to Pennsylvania by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Pennsylvania, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 April 17, 2025.
Read through reviews of airlines operating flights from Colorado to Pennsylvania, such as Alaska Airlines, Southwest and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,887 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,887 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,916 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,380 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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, 73 users have taken a look at flights from Colorado to Pennsylvania.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $86. Users have also found prices from $97 and $100 on United Airlines and Southwest, 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, August is the cheapest month in which you can book a flight from Colorado to Pennsylvania (average of $236). Flying from Colorado to Pennsylvania in March is currently the most expensive (average of $295). 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$42Average$181FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$106Average$222FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$158Average$470FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$186Average$557FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$192Average$433FlexibilityNo cancel feeOn-time63%
DeltaCheapest$216Average$394FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$220Average$249FlexibilityNo cancel feeOn-time62%

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