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$98+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PHL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$176
(Cheapflightsfares)

One-way from

$98
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$306

Good round-trip deal

$128 or less

Good one-way deal

$92 or less
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 ($35 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 June 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 June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 9/196:45 amDEN - DCA
Nonstop3h 26mFrontier
Mon 9/221:00 pmDCA - DEN
Nonstop4h 07mFrontier
Deal found 6/10$176
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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 7/1511:30 pmDEN - PHL
Nonstop3h 39mFrontier
Tue 7/226:15 amPHL - DEN
Nonstop4h 13mFrontier
Deal found 6/12$176
This Southwest deal was found by Cheapflights users on 6/9. 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 8/198:20 amDEN - IAD
Nonstop3h 20mSouthwest
Sat 8/235:05 pmIAD - DEN
Nonstop3h 50mSouthwest
Deal found 6/9$177
This JetBlue deal was found by Cheapflights users on 6/11. 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.
Wed 8/1311:00 amDEN - JFK
Nonstop3h 59mJetBlue
Wed 8/138:10 pmJFK - DEN
Nonstop4h 46mJetBlue
Deal found 6/11$192
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/234:14 pmDEN - LGA
Nonstop3h 52mFrontier
Mon 10/2710:00 pmLGA - DEN
1 stop13h 02mFrontier
Deal found 6/10$195
This American Airlines deal was found by Cheapflights users on 6/12. 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 9/232:17 pmDEN - DCA
1 stop5h 43mAmerican Airlines
Wed 10/16:30 amDCA - DEN
1 stop7h 10mAmerican Airlines
Deal found 6/12$197
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/238:53 amDEN - PHL
Nonstop3h 41mAmerican Airlines
Wed 8/278:40 amPHL - DEN
Nonstop4h 00mAmerican Airlines
Deal found 6/11$197
This Delta deal was found by Cheapflights users on 6/10. 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 9/36:25 amDEN - LGA
Nonstop3h 47mDelta
Sat 9/207:30 amLGA - DEN
Nonstop4h 31mDelta
Deal found 6/10$197
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 9/2912:04 amDEN - JFK
1 stop8h 20mFrontier
Tue 10/71:01 pmJFK - DEN
1 stop8h 58mFrontier
Deal found 6/9$198
This American Airlines deal was found by Cheapflights users on 6/12. 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 9/611:59 pmDEN - IAD
1 stop6h 47mAmerican Airlines
Sat 9/1312:48 pmIAD - DEN
1 stop8h 37mAmerican Airlines
Deal found 6/12$199
This KAYAK deal was found by Cheapflights users on 6/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1111:33 amDEN - PIT
Nonstop3h 12mFrontier
Fri 7/185:40 pmPIT - DEN
Nonstop3h 33mFrontier
Deal found 6/11$206
This American Airlines deal was found by Cheapflights users on 6/12. 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 10/157:27 amDEN - LGA
1 stop6h 32mAmerican Airlines
Wed 10/155:20 pmLGA - DEN
1 stop7h 07mAmerican Airlines
Deal found 6/12$211

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 12, 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

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Fri 9/19

6:45 am-12:11 pm

Nonstop3h 26m

Washington, D.C. Reagan-National

Mon 9/22

1:00 pm-3:07 pm

Nonstop4h 07m

$176

DenverPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Tue 7/15

11:30 pm-5:09 am

Nonstop3h 39m

Philadelphia

Tue 7/22

6:15 am-8:28 am

Nonstop4h 13m

$176

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Tue 8/19

8:20 am-1:40 pm

Nonstop3h 20m

Washington, D.C. Dulles Intl

Sat 8/23

5:05 pm-6:55 pm

Nonstop3h 50m

$177

DenverNew York

DEN - JFK

DENJFK

Denver Intl

Wed 8/13

11:00 am-4:59 pm

Nonstop3h 59m

New York John F Kennedy Intl

Wed 8/13

8:10 pm-10:56 pm

Nonstop4h 46m

$192

DenverNew York

DEN - LGA

DENLGA

Denver Intl

Thu 10/23

4:14 pm-10:06 pm

Nonstop3h 52m

New York LaGuardia

Mon 10/27

10:00 pm-9:02 am

1 stop13h 02m

$195

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Tue 9/23

2:17 pm-10:00 pm

1 stop5h 43m

Washington, D.C. Reagan-National

Wed 10/1

6:30 am-11:40 am

1 stop7h 10m

$197

DenverNew York

DEN - LGA

DENLGA

Denver Intl

Wed 9/3

6:25 am-12:12 pm

Nonstop3h 47m

New York LaGuardia

Sat 9/20

7:30 am-10:01 am

Nonstop4h 31m

$197

DenverPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Sat 8/23

8:53 am-2:34 pm

Nonstop3h 41m

Philadelphia

Wed 8/27

8:40 am-10:40 am

Nonstop4h 00m

$197

DenverNew York

DEN - JFK

DENJFK

Denver Intl

Mon 9/29

12:04 am-10:24 am

1 stop8h 20m

New York John F Kennedy Intl

Tue 10/7

1:01 pm-7:59 pm

1 stop8h 58m

$198

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Sat 9/6

11:59 pm-8:46 am

1 stop6h 47m

Washington, D.C. Dulles Intl

Sat 9/13

12:48 pm-7:25 pm

1 stop8h 37m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 June 12, 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 June 12, 2025.

The most flights from USCO to USPA are scheduled on a Wednesday (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 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 June 12, 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
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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, 62 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 American Airlines. According to our data, you can fly for as low as $98. Users have also found prices from $99 and $102 on United Airlines and Allegiant Air, 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$42Average$211FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$74Average$222FlexibilityNo cancel feeOn-time88%
DeltaCheapest$128Average$393FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$158Average$429FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$163Average$535FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$199Average$430FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$220Average$280FlexibilityNo cancel feeOn-time62%

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