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$76+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PHL
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
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 February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$113
(Frontier)

One-way from

$76
(Cheapflightsfares)

Popular in

December

Cheapest in

May

Average price

$299

Good round-trip deal

$269 or less

Good one-way deal

$162 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. 16% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 22, 2025.

This Frontier deal was found by Cheapflights users on 2/21. 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 3/116:40 amDEN - DCA
Nonstop3h 23mFrontier
Wed 3/191:03 pmDCA - DEN
Nonstop4h 16mFrontier
Deal found 2/21$113
This Mytrip deal was found by Cheapflights users on 2/20. 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.
Wed 5/712:46 amDEN - IAD
1 stop13h 50mFrontier
Tue 5/138:01 amIAD - DEN
1 stop26h 58mFrontier
Deal found 2/20$115
This Frontier deal was found by Cheapflights users on 2/20. 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 3/411:59 pmDEN - JFK
1 stop8h 02mFrontier
Wed 3/51:02 pmJFK - DEN
1 stop12h 26mFrontier
Deal found 2/20$140
This Kiwi.com deal was found by Cheapflights users on 2/21. 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 3/3112:05 amDEN - LGA
1 stop8h 02mFrontier
Mon 4/710:59 pmLGA - DEN
1 stop10h 35mFrontier
Deal found 2/21$142
This CheapOair deal was found by Cheapflights users on 2/21. 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 4/2310:52 pmDEN - PHL
1 stop29h 55mFrontier
Wed 4/306:45 pmPHL - DEN
1 stop29h 55mFrontier
Deal found 2/21$159
This Cheapflightsfares deal was found by Cheapflights users on 2/21. 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 6/59:51 amDEN - ABE
Nonstop3h 33mAllegiant Air
Sun 6/87:00 amABE - DEN
Nonstop4h 01mAllegiant Air
Deal found 2/21$196
This Delta deal was found by Cheapflights users on 2/21. 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 3/1912:12 pmDEN - JFK
Nonstop3h 47mDelta
Thu 3/208:00 amJFK - DEN
Nonstop4h 48mDelta
Deal found 2/21$197
This Delta deal was found by Cheapflights users on 2/21. 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 3/197:15 amDEN - LGA
Nonstop3h 40mDelta
Tue 3/257:25 amLGA - DEN
Nonstop4h 35mDelta
Deal found 2/21$197
This CheapOair deal was found by Cheapflights users on 2/21. 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 3/217:45 pmDEN - PHL
1 stop23h 19mMultiple Airlines
Mon 3/246:40 amPHL - DEN
Nonstop4h 31mMultiple Airlines
Deal found 2/21$199
This American Airlines deal was found by Cheapflights users on 2/20. 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 5/81:42 pmDEN - PHL
Nonstop3h 47mAmerican Airlines
Tue 5/139:00 amPHL - DEN
Nonstop4h 05mAmerican Airlines
Deal found 2/20$205
This Gotogate deal was found by Cheapflights users on 2/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/206:55 pmDEN - IAD
1 stop15h 39mMultiple Airlines
Tue 3/252:16 pmIAD - DEN
1 stop12h 19mMultiple Airlines
Deal found 2/21$207
This JetBlue deal was found by Cheapflights users on 2/21. 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 5/211:40 amDEN - DCA
1 stop9h 19mJetBlue
Sat 5/36:30 amDCA - DEN
1 stop7h 24mJetBlue
Deal found 2/21$217

Find flights from Colorado to Pennsylvania within your budget

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 February 22, 2025.

Fly from

Colorado

Fly to

Pennsylvania

Route

Depart

Return

Price

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Tue 3/11

6:40 am-12:03 pm

Nonstop3h 23m

Washington, D.C. Reagan-National

Wed 3/19

1:03 pm-3:19 pm

Nonstop4h 16m

$113

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Wed 5/7

12:46 am-4:36 pm

1 stop13h 50m

Washington, D.C. Dulles Intl

Tue 5/13

8:01 am-8:59 am

1 stop26h 58m

$115

DenverNew York

DEN - JFK

DENJFK

Denver Intl

Tue 3/4

11:59 pm-10:01 am

1 stop8h 02m

New York John F Kennedy Intl

Wed 3/5

1:02 pm-11:28 pm

1 stop12h 26m

$140

DenverNew York

DEN - LGA

DENLGA

Denver Intl

Mon 3/31

12:05 am-10:07 am

1 stop8h 02m

New York LaGuardia

Mon 4/7

10:59 pm-7:34 am

1 stop10h 35m

$142

DenverPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Wed 4/23

10:52 pm-6:47 am

1 stop29h 55m

Philadelphia

Wed 4/30

6:45 pm-10:40 pm

1 stop29h 55m

$159

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Thu 6/5

9:51 am-3:24 pm

Nonstop3h 33m

Allentown-Bethlehem

Sun 6/8

7:00 am-9:01 am

Nonstop4h 01m

$196

DenverNew York

DEN - JFK

DENJFK

Denver Intl

Wed 3/19

12:12 pm-5:59 pm

Nonstop3h 47m

New York John F Kennedy Intl

Thu 3/20

8:00 am-10:48 am

Nonstop4h 48m

$197

DenverNew York

DEN - LGA

DENLGA

Denver Intl

Wed 3/19

7:15 am-12:55 pm

Nonstop3h 40m

New York LaGuardia

Tue 3/25

7:25 am-10:00 am

Nonstop4h 35m

$197

DenverPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Fri 3/21

7:45 pm-9:04 pm

1 stop23h 19m

Philadelphia

Mon 3/24

6:40 am-9:11 am

Nonstop4h 31m

$199

DenverPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Thu 5/8

1:42 pm-7:29 pm

Nonstop3h 47m

Philadelphia

Tue 5/13

9:00 am-11:05 am

Nonstop4h 05m

$205

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

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.

Travel insights for flights from Colorado to Pennsylvania

Get recent, data-driven insights about flights from Colorado to Pennsylvania including ideal travel times, pricing trends, and more.

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 February 22, 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 February 22, 2025.

The most flights from USCO to USPA are scheduled on a Thursday (12 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (8 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 February 22, 2025.
Read through reviews of airlines operating flights from Colorado to Pennsylvania, such as Southwest, Alaska Airlines and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,395 reviews

Crew

8.7

Food

7.1

Overall

8.1

Comfort

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,395 reviews
Southwest
8.1
Very good
4,395 reviews

Crew

8.7

Food

7.1

Overall

8.1

Comfort

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,700 reviews
Southwest
8.1
Very good
4,395 reviews

Crew

8.7

Food

7.1

Overall

8.1

Comfort

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,212 reviews
Southwest
8.1
Very good
4,395 reviews

Crew

8.7

Food

7.1

Overall

8.1

Comfort

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,314 reviews
Southwest
8.1
Very good
4,395 reviews

Crew

8.7

Food

7.1

Overall

8.1

Comfort

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

JetBlue
7.4
Good
3,068 reviews
Southwest
8.1
Very good
4,395 reviews

Crew

8.7

Food

7.1

Overall

8.1

Comfort

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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, 97 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 $76. Users have also found prices from $86 and $93 on Allegiant Air and Sun Country 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.

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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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$42Average$179FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$92Average$217FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$158Average$485FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$183Average$568FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$184Average$431FlexibilityNo cancel feeOn-time63%
DeltaCheapest$216Average$412FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$220Average$249FlexibilityNo cancel feeOn-time62%
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