How many flights depart from Philadelphia to Colorado on average per week?

64 flights are operational weekly from Philadelphia to Colorado as of August 2025. The most popular departure day for this route is Thu, with 27% of flights per week taking off on this day.

What airlines fly to Colorado?

United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Colorado from Philadelphia according to our data. United Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 8 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

How many flights depart from Philadelphia to Colorado on average per day?

The number of flights available between Philadelphia and Colorado is 9 per day as of August 2025. The most frequent departure time is 8:00AM, with 60% of daily flights leaving at noon.

What is the cheapest airline that flies from Philadelphia to Colorado?

Frontier, United Airlines, and American Airlines are the most popular carriers operating from Philadelphia to Colorado

When did momondo last update prices for flights from Philadelphia Airport to Colorado?

Prices for flights from Philadelphia Airport to Colorado are updated daily.

How many operators does momondo search for flights from Philadelphia Airport to Colorado?

The number of operators available for flights from Philadelphia Airport to Colorado is 8 as of August 2025.

How old do you have to be to fly from Philadelphia Airport to Colorado?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Philadelphia Airport to Colorado.

What documentation or ID do you need to fly to Colorado?

The necessary travel and health documents for your Colorado trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$61 Cheap Flights from Philadelphia to Colorado in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Philadelphia to Colorado

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:45 am - 8:57 amPHL-DEN

4h 12mnonstop

11:15 pm - 4:49 amDEN-PHL

3h 34mnonstop

$124Frontier

Find Deal

Sat, Oct 4 - Fri, Oct 10

6:19 am - 8:35 amPHL-DEN

4h 16mnonstop

11:15 pm - 4:49 amDEN-PHL

3h 34mnonstop

$126Frontier

Find Deal

Fri, Oct 10 - Thu, Oct 16

7:35 pm - 9:55 pmPHL-DEN

4h 20mnonstop

7:00 am - 12:36 pmDEN-PHL

3h 36mnonstop

$196American Airlines

Find Deal

Sat, Aug 30 - Sat, Sep 6

7:35 pm - 9:55 pmPHL-DEN

4h 20mnonstop

7:00 am - 12:36 pmDEN-PHL

3h 36mnonstop

$197American Airlines

Find Deal

Sat, Aug 30 - Sat, Sep 6

4:45 pm - 6:45 pmPHL-DEN

4h 00mnonstop

12:30 pm - 6:05 pmDEN-PHL

3h 35mnonstop

$201Southwest

Find Deal

Tue, Sep 16 - Tue, Sep 30

5:15 pm - 9:45 pmPHL-ASE

6h 30m1 stop

2:40 pm - 11:29 pmASE-PHL

6h 49m1 stop

$253United Airlines

Find Deal

Sat, Aug 30 - Tue, Sep 9

5:15 pm - 9:45 pmPHL-ASE

6h 30m1 stop

1:15 pm - 12:21 amASE-PHL

9h 06m2 stops

$258United Airlines

Find Deal

Sat, Aug 30 - Tue, Sep 9

6:45 am - 12:06 pmPHL-COS

7h 21m1 stop

8:09 am - 5:38 pmCOS-PHL

7h 29m1 stop

$337Delta

Find Deal

Tue, Sep 30 - Sat, Oct 11

12:47 pm - 8:39 pmPHL-COS

9h 52m2 stops

1:16 pm - 10:13 pmCOS-PHL

6h 57m1 stop

$342Delta

Find Deal

Tue, Sep 30 - Tue, Oct 14

5:55 am - 12:05 pmPHL-COS

8h 10m2 stops

5:15 am - 5:15 pmCOS-PHL

10h 00m2 stops

$375Southwest

Find Deal

Thu, Oct 30 - Mon, Nov 3

Frontier flights from Philadelphia to Colorado

Our best Frontier deals on Philadelphia to Colorado flight tickets

Frontier

Oct 4

PHL6:45 amPhiladelphia

4h 12m

DEN8:57 amDenver Intl

Oct 10

DEN11:15 pmDenver Intl

3h 34m

PHL4:49 amPhiladelphia

$124

Find similar

Frontier

Oct 10

PHL6:19 amPhiladelphia

4h 16m

DEN8:35 amDenver Intl

Oct 16

DEN11:15 pmDenver Intl

3h 34m

PHL4:49 amPhiladelphia

$126

Find similar

Frontier

Sep 15

PHL6:45 amPhiladelphia

4h 12m

DEN8:57 amDenver Intl

Sep 17

DEN6:01 pmDenver Intl

3h 42m

PHL11:43 pmPhiladelphia

$135

Find similar

American Airlines flights from Philadelphia to Colorado

Our best American Airlines deals on Philadelphia to Colorado flight tickets

American Airlines

Aug 30

PHL7:35 pmPhiladelphia

4h 20m

DEN9:55 pmDenver Intl

Sep 6

DEN7:00 amDenver Intl

3h 36m

PHL12:36 pmPhiladelphia

$196

Find similar

American Airlines

Aug 30

PHL7:35 pmPhiladelphia

4h 20m

DEN9:55 pmDenver Intl

Sep 6

DEN7:00 amDenver Intl

3h 36m

PHL12:36 pmPhiladelphia

$197

Find similar

American Airlines

Sep 23

PHL8:30 amPhiladelphia

4h 06m

DEN10:36 amDenver Intl

Sep 27

DEN7:00 amDenver Intl

3h 36m

PHL12:36 pmPhiladelphia

$199

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaDenver

PHL - DEN

PHLDEN

Philadelphia

Sat 10/4

6:45 am-8:57 am

Nonstop4h 12m

Denver Intl

Fri 10/10

11:15 pm-4:49 am

Nonstop3h 34m

$124

PhiladelphiaDenver

PHL - DEN

PHLDEN

Philadelphia

Fri 10/10

6:19 am-8:35 am

Nonstop4h 16m

Denver Intl

Thu 10/16

11:15 pm-4:49 am

Nonstop3h 34m

$126

PhiladelphiaDenver

PHL - DEN

PHLDEN

Philadelphia

Sat 8/30

7:35 pm-9:55 pm

Nonstop4h 20m

Denver Intl

Sat 9/6

7:00 am-12:36 pm

Nonstop3h 36m

$196

PhiladelphiaDenver

PHL - DEN

PHLDEN

Philadelphia

Sat 8/30

7:35 pm-9:55 pm

Nonstop4h 20m

Denver Intl

Sat 9/6

7:00 am-12:36 pm

Nonstop3h 36m

$197

PhiladelphiaDenver

PHL - DEN

PHLDEN

Philadelphia

Tue 9/16

4:45 pm-6:45 pm

Nonstop4h 00m

Denver Intl

Tue 9/30

12:30 pm-6:05 pm

Nonstop3h 35m

$201

PhiladelphiaAspen

PHL - ASE

PHLASE

Philadelphia

Sat 8/30

5:15 pm-9:45 pm

1 stop6h 30m

Aspen Pitkin County

Tue 9/9

2:40 pm-11:29 pm

1 stop6h 49m

$253

PhiladelphiaAspen

PHL - ASE

PHLASE

Philadelphia

Sat 8/30

5:15 pm-9:45 pm

1 stop6h 30m

Aspen Pitkin County

Tue 9/9

1:15 pm-12:21 am

2 stops9h 06m

$258

PhiladelphiaColorado Springs

PHL - COS

PHLCOS

Philadelphia

Tue 9/30

6:45 am-12:06 pm

1 stop7h 21m

Colorado Springs

Sat 10/11

8:09 am-5:38 pm

1 stop7h 29m

$337

PhiladelphiaColorado Springs

PHL - COS

PHLCOS

Philadelphia

Tue 9/30

12:47 pm-8:39 pm

2 stops9h 52m

Colorado Springs

Tue 10/14

1:16 pm-10:13 pm

1 stop6h 57m

$342

PhiladelphiaColorado Springs

PHL - COS

PHLCOS

Philadelphia

Thu 10/30

5:55 am-12:05 pm

2 stops8h 10m

Colorado Springs

Mon 11/3

5:15 am-5:15 pm

2 stops10h 00m

$375

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Philadelphia to Colorado

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Colorado?

The month of September is, on average, the cheapest month to fly to Colorado from Philadelphia, with most prices found around $255. The month of October is another great option to travel to Colorado, with average flight prices from Philadelphia averaging around $265.

What is the cheapest day to depart on your flight to Colorado?

The cheapest day to depart from Philadelphia to Colorado is on a Wednesday when prices can be found for as low as $335. On the other hand, Sunday is the most expensive day to depart from Philadelphia because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $406.

What is the cheapest time of day to depart on your flight to Colorado?

The cheapest time of day to fly to Colorado is in the evening when flights can be purchased for as low as $253. In the afternoon is when there is more demand to fly to Colorado, so prices are often more expensive at around $446 per ticket.

What is the cheapest Philadelphia to Colorado flight route?

Fly from Philadelphia to Denver Intl for the best Philadelphia - Colorado flight prices

How far in advance should I book a flight to Colorado?

You are more likely to see cheaper flights to Colorado from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $308 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Philadelphia for as low as $262 on momondo.

What cabin class options are available on Philadelphia to Colorado flights?

There are 4 cabin classes available to choose from on Philadelphia to Colorado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Philadelphia to Colorado flights?

No. A direct flight is the cheapest option for a flight between Philadelphia to Colorado.

Cheap Philadelphia to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Colorado

Best Price Found	$61
Fastest flight time	4h 00m
Direct flights	Every day
Airports in Colorado	1 airport

The best one-way flight to Colorado from Philadelphia in the past 72 hours is $61. The best round-trip flight deal from Philadelphia to Colorado found on momondo in the last 72 hours is $124.

The fastest flight from Philadelphia to Colorado takes 4h 00m

Direct flights go from Philadelphia to Colorado every day.

There is 1 airport near Colorado: Denver Intl (DEN)

Search flight deals

When did momondo last update prices for flights from Philadelphia Airport to Colorado?
Prices for flights from Philadelphia Airport to Colorado are updated daily.
How many operators does momondo search for flights from Philadelphia Airport to Colorado?
The number of operators available for flights from Philadelphia Airport to Colorado is 8 as of August 2025.
How old do you have to be to fly from Philadelphia Airport to Colorado?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Philadelphia Airport to Colorado.
What documentation or ID do you need to fly to Colorado?
The necessary travel and health documents for your Colorado trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Philadelphia to Colorado?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Philadelphia to Colorado is Boeing 737-800 (15.70% of total bookings). The next most popular plane models are Airbus A320-100/200 (13.73%), Boeing 737 MAX 8 (12.82%), and Airbus A321-100/200 (11.33%).

Best airlines flying from Philadelphia to Colorado

Compare and see reviews for airlines that fly from Philadelphia to Colorado with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $103	Free Cancellation	Rating 5.9 3,239 reviews	Search Frontier flights
Allegiant Air	PriceFrom $106	Free Cancellation	Rating 7.2 702 reviews	Search Allegiant Air flights
Delta	PriceFrom $134	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
American Airlines	PriceFrom $186	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $191	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
United Airlines	PriceFrom $193	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
JetBlue	PriceFrom $207	Free Cancellation	Rating 7.2 2,914 reviews	Search JetBlue flights
Sun Country Air	PriceFrom $251	Free Cancellation	Rating 6.9 334 reviews	Search Sun Country Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Colorado?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Philadelphia to Colorado. momondo saves you time and could save you money on your trip.

Can I find flights from Philadelphia to Colorado with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Colorado from Philadelphia with this policy.

How can momondo help me find flights from Philadelphia to Colorado?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Colorado from Philadelphia.

I’m not ready to book a flight from Philadelphia to Colorado right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Philadelphia to Colorado now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Colorado and let you know when they change.

An easier way to manage your Colorado trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Wed 8/6

Wed 8/13

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Colorado

Popular cities in Colorado

Flights to New Yorkfrom $39

Flights to Los Angelesfrom $37

Flights to Miamifrom $58

Flights to Chicagofrom $59

Flights to Orlandofrom $54

Flights to Las Vegasfrom $35

Flights to San Franciscofrom $49

Flights to Washington, D.C.from $49

Flights to Bostonfrom $77

Flights to Atlantafrom $29

Flights to Dallasfrom $55

Flights to Seattlefrom $93

Cheap flights from Philadelphia to Colorado from $61

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Colorado departing on 10/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Philadelphia to Colorado

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Frontier flights from Philadelphia to Colorado

Our best Frontier deals on Philadelphia to Colorado flight tickets

American Airlines flights from Philadelphia to Colorado

Our best American Airlines deals on Philadelphia to Colorado flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Philadelphia to Colorado that are best for you.

See travel insights to Colorado from

How to get the cheapest flight ticket from Philadelphia to Colorado

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Colorado?

The month of September is, on average, the cheapest month to fly to Colorado from Philadelphia, with most prices found around $255. The month of October is another great option to travel to Colorado, with average flight prices from Philadelphia averaging around $265.

What is the cheapest day to depart on your flight to Colorado?

What is the cheapest time of day to depart on your flight to Colorado?

The cheapest time of day to fly to Colorado is in the evening when flights can be purchased for as low as $253. In the afternoon is when there is more demand to fly to Colorado, so prices are often more expensive at around $446 per ticket.

What is the cheapest Philadelphia to Colorado flight route?

Fly from Philadelphia to Denver Intl for the best Philadelphia - Colorado flight prices

How far in advance should I book a flight to Colorado?

What cabin class options are available on Philadelphia to Colorado flights?

There are 4 cabin classes available to choose from on Philadelphia to Colorado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Philadelphia to Colorado flights?

No. A direct flight is the cheapest option for a flight between Philadelphia to Colorado.

What is the cheapest airline that flies from Philadelphia to Colorado?

Frontier, United Airlines, and American Airlines are the most popular carriers operating from Philadelphia to Colorado

What airlines fly to Colorado?

How many flights depart from Philadelphia to Colorado on average per day?

The number of flights available between Philadelphia and Colorado is 9 per day as of August 2025. The most frequent departure time is 8:00AM, with 60% of daily flights leaving at noon.

How many flights depart from Philadelphia to Colorado on average per week?

64 flights are operational weekly from Philadelphia to Colorado as of August 2025. The most popular departure day for this route is Thu, with 27% of flights per week taking off on this day.

Cheap Philadelphia to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Colorado

Best Price Found

Fastest flight time

Direct flights

Airports in Colorado

When did momondo last update prices for flights from Philadelphia Airport to Colorado?

How many operators does momondo search for flights from Philadelphia Airport to Colorado?

How old do you have to be to fly from Philadelphia Airport to Colorado?

What documentation or ID do you need to fly to Colorado?

What is the most popular plane model from Philadelphia to Colorado?

Best airlines flying from Philadelphia to Colorado

Compare and see reviews for airlines that fly from Philadelphia to Colorado with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Colorado?

Can I find flights from Philadelphia to Colorado with flexible booking policies on momondo?

How can momondo help me find flights from Philadelphia to Colorado?

I’m not ready to book a flight from Philadelphia to Colorado right now. Can momondo alert me if prices change?

An easier way to manage your Colorado trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Colorado

Popular cities in Colorado

Popular flights according to clicks in the last 7 days on momondo