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$58+ Cheap flights from Pennsylvania to Colorado

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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — DEN
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Pennsylvania to Colorado

Keep the following information in mind while searching for Pennsylvania to Colorado flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$111
(Kiwi.com)

One-way from

$58
(Cheapflightsfares)

Popular in

December

Cheapest in

May

Average price

$331

Good round-trip deal

$255 or less

Good one-way deal

$141 or less
Provider with most accurate pricing for Philadelphia-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Denver Intl flights.
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From Pennsylvania to Colorado
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One-way flight from Pennsylvania to Colorado
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($32 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 February 2025
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Price to beat on a round-trip flight from Pennsylvania to Colorado.
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Price to beat on a one-way flight from Pennsylvania to Colorado.
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Find flight deals from Pennsylvania to Colorado

Cheapest flights from Pennsylvania to Colorado
Explore the most affordable flight options available from Pennsylvania to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 2/19. 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 5/96:00 pmDCA - DEN
Nonstop4h 08mFrontier
Mon 5/126:40 amDEN - DCA
Nonstop3h 27mFrontier
Deal found 2/19$111
This FlightHub deal was found by Cheapflights users on 2/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/84:37 pmIAD - DEN
1 stop10h 03mFrontier
Wed 4/1611:57 pmDEN - IAD
1 stop6h 39mFrontier
Deal found 2/19$113
This Frontier deal was found by Cheapflights users on 2/19. 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 4/46:40 amPHL - DEN
Nonstop4h 21mFrontier
Sun 4/611:59 pmDEN - PHL
Nonstop3h 32mFrontier
Deal found 2/19$158
This Frontier deal was found by Cheapflights users on 2/19. 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 3/811:01 amJFK - DEN
1 stop13h 55mFrontier
Sun 3/911:59 pmDEN - JFK
1 stop8h 02mFrontier
Deal found 2/19$162
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 5/25:59 pmLGA - DEN
1 stop26h 26mFrontier
Sun 5/46:00 amDEN - LGA
1 stop8h 29mFrontier
Deal found 2/18$162
This Booking.com deal was found by Cheapflights users on 2/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/196:45 amPHL - DEN
Nonstop4h 31mMultiple Airlines
Sat 3/229:45 amDEN - PHL
1 stop9h 19mMultiple Airlines
Deal found 2/19$183
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/76:35 amIAD - DEN
1 stop12h 58mMultiple Airlines
Mon 4/712:14 amDEN - IAD
1 stop14h 50mMultiple Airlines
Deal found 2/20$185
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/144:59 pmJFK - DEN
Nonstop4h 40mDelta
Tue 3/186:20 amDEN - JFK
Nonstop3h 40mDelta
Deal found 2/20$197
This American Airlines deal was found by Cheapflights users on 2/19. 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 5/137:40 pmPHL - DEN
Nonstop4h 13mAmerican Airlines
Mon 5/197:00 amDEN - PHL
Nonstop3h 36mAmerican Airlines
Deal found 2/19$205
This Trip.com deal was found by Cheapflights users on 2/19. 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 2/261:59 pmLGA - DEN
1 stop11h 00mMultiple Airlines
Sun 3/212:23 amDEN - LGA
1 stop7h 37mMultiple Airlines
Deal found 2/19$217
This JetBlue Airways 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 JetBlue Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/185:15 pmDCA - DEN
1 stop7h 49mJetBlue
Tue 3/2511:59 pmDEN - DCA
1 stop8h 29mJetBlue
Deal found 2/20$217
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/88:30 amIAD - DEN
Nonstop3h 58mUnited Airlines
Wed 4/2311:59 pmDEN - IAD
Nonstop3h 23mUnited Airlines
Deal found 2/20$218

Find flights from Pennsylvania to Colorado within your budget

Customize your flight search to find flights from Pennsylvania to Colorado 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 20, 2025.

Fly from

Pennsylvania

Fly to

Colorado

Route

Depart

Return

Price

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Sat 3/15

6:00 pm-8:12 pm

Nonstop4h 12m

Denver Intl

Thu 3/27

6:40 am-12:03 pm

Nonstop3h 23m

$111

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Tue 4/8

4:37 pm-12:40 am

1 stop10h 03m

Denver Intl

Wed 4/16

11:57 pm-8:36 am

1 stop6h 39m

$113

PhiladelphiaDenver

PHL - DEN

PHLDEN

Philadelphia

Thu 4/24

12:40 pm-3:00 pm

Nonstop4h 20m

Denver Intl

Sun 4/27

12:16 am-8:29 am

1 stop6h 13m

$157

New YorkDenver

JFK - DEN

JFKDEN

New York John F Kennedy Intl

Sat 3/8

11:01 am-10:56 pm

1 stop13h 55m

Denver Intl

Sun 3/9

11:59 pm-10:01 am

1 stop8h 02m

$162

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Fri 5/2

5:59 pm-6:25 pm

1 stop26h 26m

Denver Intl

Sun 5/4

6:00 am-4:29 pm

1 stop8h 29m

$162

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Mon 4/7

6:35 am-5:33 pm

1 stop12h 58m

Denver Intl

Mon 4/7

12:14 am-5:04 pm

1 stop14h 50m

$185

PhiladelphiaDenver

PHL - DEN

PHLDEN

Philadelphia

Sun 3/30

7:00 am-8:15 am

1 stop27h 15m

Denver Intl

Thu 4/3

5:30 am-4:58 pm

1 stop9h 28m

$194

New YorkDenver

JFK - DEN

JFKDEN

New York John F Kennedy Intl

Thu 4/24

1:00 pm-11:09 pm

1 stop12h 09m

Denver Intl

Fri 4/25

6:40 pm-10:23 am

1 stop13h 43m

$195

New YorkDenver

JFK - DEN

JFKDEN

New York John F Kennedy Intl

Fri 3/14

4:59 pm-7:39 pm

Nonstop4h 40m

Denver Intl

Tue 3/18

6:20 am-12:00 pm

Nonstop3h 40m

$197

PhiladelphiaDenver

PHL - DEN

PHLDEN

Philadelphia

Tue 5/13

7:40 pm-9:53 pm

Nonstop4h 13m

Denver Intl

Thu 5/15

1:42 pm-7:29 pm

Nonstop3h 47m

$205

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 60 results
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Best time to book a flight from Pennsylvania to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Pennsylvania 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 Pennsylvania to Colorado

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

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

Currently, October is the cheapest month in which you can book a flight from Pennsylvania to Colorado (average of $197). Flying from Pennsylvania to Colorado in March is currently the most expensive (average of $278). 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 PA to CO?

Find hourly flight availability from Pennsylvania to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

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

Weekly flight availability from Pennsylvania to Colorado

Explore weekly flight availability from Pennsylvania to Colorado. 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 20, 2025.

The most flights from USPA to USCO are scheduled on a Thursday (11 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Colorado by month

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

In terms of precipitation, rainfall in Colorado ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Colorado when rainfall is around 0.5 in.

Temperature in Colorado by month

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

If weather is an important factor for your trip to Colorado, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated February 20, 2025.
Read through reviews of airlines operating flights from Pennsylvania to Colorado, such as Southwest, Alaska Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

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
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

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
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

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
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

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
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

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
3,070 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

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 Pennsylvania to Colorado. 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 Pennsylvania to Colorado flight route?

    This flight path from Pennsylvania to Colorado was viewed by 170 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $58. However, be on the lookout for offers from Sun Country Air and United Airlines, as they are both options that can get you from Pennsylvania to Colorado for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Pennsylvania to Colorado 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 Pennsylvania to Colorado?

    Currently, October is the cheapest month in which you can book a flight from Pennsylvania to Colorado (average of $197). Flying from Pennsylvania to Colorado in March is currently the most expensive (average of $278). 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 Pennsylvania to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Pennsylvania to Colorado

Discover the top 8 airlines that operate flights from Pennsylvania to Colorado. 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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$43Average$161FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$82Average$275FlexibilityNo cancel feeOn-time83%
Allegiant AirCheapest$101Average$224FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$183Average$502FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$185Average$568FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$187Average$447FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$207Average$321FlexibilityNo cancel feeOn-time62%
DeltaCheapest$215Average$396FlexibilityNo cancel feeOn-timeN/A
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