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$73+ Cheap flights from Philadelphia (PHL) 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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — DEN
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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Cheap flight deals from Philadelphia to Colorado

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$157
(Cheapflightsfares)

One-way from

$73
(Cheapflightsfares)

Popular in

December

Cheapest in

May

Average price

$331

Good round-trip deal

$289 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 Philadelphia to Colorado
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One-way flight from Philadelphia to Colorado
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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 Philadelphia to Colorado.
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Price to beat on a one-way flight from Philadelphia to Colorado.
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Find flight deals from Philadelphia to Colorado

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

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.
vie. 4/46:40 amPHL - DEN
Nonstop4h 21mFrontier
dom. 4/611:59 pmDEN - PHL
Nonstop3h 32mFrontier
Deal found 2/19$158
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.
mié. 3/196:45 amPHL - DEN
Nonstop4h 31mMultiple Airlines
sáb. 3/229:45 amDEN - PHL
1 stop9h 19mMultiple Airlines
Deal found 2/19$183
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.
mar. 5/137:40 pmPHL - DEN
Nonstop4h 13mAmerican Airlines
lun. 5/197:00 amDEN - PHL
Nonstop3h 36mAmerican Airlines
Deal found 2/19$205
This JetBlue 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/226:00 amPHL - DEN
1 stop8h 08mJetBlue
mar. 3/2511:59 pmDEN - PHL
1 stop7h 37mJetBlue
Deal found 2/20$236
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/295:05 amPHL - HDN
1 stop7h 35mSouthwest
jue. 4/34:45 pmHDN - PHL
1 stop6h 30mSouthwest
Deal found 2/20$267
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/2610:15 amPHL - DEN
1 stop6h 15mDelta
mar. 4/296:10 amDEN - PHL
1 stop5h 43mDelta
Deal found 2/19$273
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/243:45 pmPHL - DEN
Nonstop4h 17mUnited Airlines
mar. 4/295:59 pmDEN - PHL
Nonstop3h 36mUnited Airlines
Deal found 2/19$275
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.
jue. 3/66:40 amPHL - EGE
1 stop9h 27mFrontier
dom. 3/92:57 pmEGE - PHL
1 stop12h 18mFrontier
Deal found 2/20$280
This Sun Country Air 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/2112:05 pmPHL - DEN
1 stop8h 10mSun Country Air
jue. 7/247:15 pmDEN - PHL
1 stop13h 55mSun Country Air
Deal found 2/20$305
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.
sáb. 3/295:52 amPHL - HDN
2 stops10h 41mAmerican Airlines
jue. 4/31:24 pmHDN - PHL
1 stop7h 47mAmerican Airlines
Deal found 2/20$323
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.
mié. 4/301:45 pmPHL - GJT
1 stop10h 09mAmerican Airlines
sáb. 5/35:00 amGJT - PHL
1 stop7h 50mAmerican Airlines
Deal found 2/20$349
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.
lun. 3/106:49 pmPHL - COS
1 stop6h 58mAmerican Airlines
jue. 3/136:00 amCOS - PHL
1 stop6h 47mAmerican Airlines
Deal found 2/20$367

Find flights from Philadelphia to Colorado within your budget

Customize your flight search to find flights from Philadelphia 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 febrero 20, 2025.

Fly from

Philadelphia

Fly to

Colorado

Route

Depart

Return

Price

PhiladelphiaDenver

PHL - DEN

PHLDEN

Philadelphia

jue. 4/24

12:40 pm-3:00 pm

Nonstop4h 20m

Denver Intl

dom. 4/27

12:16 am-8:29 am

1 stop6h 13m

$157

PhiladelphiaDenver

PHL - DEN

PHLDEN

Philadelphia

dom. 3/30

7:00 am-8:15 am

1 stop27h 15m

Denver Intl

jue. 4/3

5:30 am-4:58 pm

1 stop9h 28m

$194

PhiladelphiaDenver

PHL - DEN

PHLDEN

Philadelphia

mar. 5/13

7:40 pm-9:53 pm

Nonstop4h 13m

Denver Intl

jue. 5/15

1:42 pm-7:29 pm

Nonstop3h 47m

$205

PhiladelphiaDenver

PHL - DEN

PHLDEN

Philadelphia

lun. 8/4

12:05 pm-6:15 pm

1 stop8h 10m

Denver Intl

sáb. 8/9

10:20 am-11:10 am

1 stop22h 50m

$235

PhiladelphiaDenver

PHL - DEN

PHLDEN

Philadelphia

sáb. 3/22

6:00 am-12:08 pm

1 stop8h 08m

Denver Intl

mié. 3/26

11:59 pm-9:36 am

1 stop7h 37m

$236

PhiladelphiaDenver

PHL - DEN

PHLDEN

Philadelphia

mié. 3/26

6:00 am-11:15 am

1 stop7h 15m

Denver Intl

mié. 3/26

4:20 pm-11:43 pm

1 stop5h 23m

$257

PhiladelphiaHayden

PHL - HDN

PHLHDN

Philadelphia

sáb. 3/29

5:05 am-10:40 am

1 stop7h 35m

Hayden Yampa Valley

jue. 4/3

4:45 pm-1:15 am

1 stop6h 30m

$267

PhiladelphiaVail

PHL - EGE

PHLEGE

Philadelphia

jue. 3/6

6:40 am-2:07 pm

1 stop9h 27m

Vail Eagle County

dom. 3/9

2:57 pm-5:15 am

1 stop12h 18m

$280

PhiladelphiaHayden

PHL - HDN

PHLHDN

Philadelphia

sáb. 3/29

5:52 am-2:33 pm

2 stops10h 41m

Hayden Yampa Valley

jue. 4/3

1:24 pm-11:11 pm

1 stop7h 47m

$323

PhiladelphiaGrand Junction

PHL - GJT

PHLGJT

Philadelphia

mié. 4/30

1:45 pm-9:54 pm

1 stop10h 09m

Grand Junction Regnl

sáb. 5/3

5:00 am-2:50 pm

1 stop7h 50m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 50 results
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Best time to book a flight from Philadelphia to Colorado

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

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

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

Currently, October is the cheapest month in which you can book a flight from Philadelphia to Colorado (average of $197). Flying from Philadelphia 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 PHL to CO?

Find hourly flight availability from Philadelphia 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 febrero 20, 2025.

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

Weekly flight availability from Philadelphia to Colorado

Explore weekly flight availability from Philadelphia 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 febrero 20, 2025.

The most flights from PHL 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 febrero 20, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from Philadelphia to Colorado. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

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

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

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

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

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

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

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

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

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.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

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 Philadelphia to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Philadelphia to Colorado?

    Philadelphia (PHL) is the airport you will fly out of if you book a flight from Philadelphia to Colorado. It is only a 7.0 mi journey to Philadelphia (PHL) from Philadelphia’s city center.

  • How popular is this Philadelphia to Colorado flight route?

    Within the past month, 170 users have taken a look at flights from Philadelphia to Colorado.

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

    One-way options have recently been found by users for as low as $73 on Frontier. Other airlines that offer cheap prices include Sun Country Air from $103 and United Airlines from $106 one-way.

  • What are the most popular routes from Philadelphia to Colorado?

    When deciding which route to take from Philadelphia to Colorado consider Philadelphia - Denver Intl, Philadelphia - Colorado Springs or Philadelphia - Aspen Pitkin County as they are the most popular.

  • What are the most reliable airlines from Philadelphia to Colorado?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Philadelphia to Colorado on time: Frontier (86%), Air Canada (81%), Qatar Airways (72%).

  • What are the cheapest flights from Philadelphia to Colorado?

    The cheapest flight price from Philadelphia to Colorado is $70. On average you can expect to pay $729. The most popular route, (Philadelphia - Denver Intl), can usually be booked for $98.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Philadelphia to Colorado (average of $197). Flying from Philadelphia 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 Philadelphia 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 Philadelphia to Colorado

Discover the top 8 airlines that operate flights from Philadelphia 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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$82Average$275FlexibilityNo cancel feeOn-time83%
FrontierCheapest$87Average$205FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$130Average$238FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$183Average$509FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$185Average$621FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$187Average$467FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$207Average$326FlexibilityNo cancel feeOn-time62%
DeltaCheapest$215Average$378FlexibilityNo cancel feeOn-timeN/A
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