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

As of May 2026, there are 115 flights per week flying from Colorado to Philadelphia. The most common day of the week flights depart is Sun, with 17% of flights taking off on this day.

What airlines fly to Philadelphia?

United Airlines, Frontier and Delta are the top three most popular airlines that fly to Philadelphia from Colorado according to our data. United Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 6 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

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

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

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

16 flights are operational daily from Colorado to Philadelphia as of May 2026. The most popular departure time for this route is 12:00PM, with 50% of flights per day taking off in the afternoon.

How long does it take to fly to Philadelphia?

If you’re flying from a popular airport in Colorado, such as Denver or Montrose, and flying into Philadelphia, then you can expect flight times to average 3h 41m and 6h 40m, respectively.

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

Prices for flights from Colorado to Philadelphia Airport refresh daily.

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

As of May 2026, there are 6 operators available to choose from for flights from Colorado to Philadelphia Airport.

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

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 Colorado to Philadelphia Airport.

What documentation or ID do you need to fly to Philadelphia Airport?

The required travel and health documents for your Philadelphia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Philadelphia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$104 Cheap Flights from Colorado to Philadelphia in 2026

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Find the cheapest flights from Colorado to Philadelphia

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:39 pm - 9:21 am

DEN

PHL

8h 42m

1 stop

12:44 pm - 2:58 pm

PHL

DEN

4h 14mnonstop

$181Frontier

Sun, Jul 12 - Mon, Jul 13

11:59 pm - 5:37 am

DEN

PHL

3h 38mnonstop

7:00 am - 7:29 pm

PHL

DEN

14h 29m

1 stop

$182Frontier

Fri, May 29 - Mon, Jun 8

2:12 pm - 12:35 am

EGE

PHL

8h 23m

1 stop

5:00 am - 9:53 am

PHL

EGE

6h 53m

1 stop

$311American Airlines

Fri, Jul 3 - Tue, Jul 7

10:45 am - 9:02 pm

COS

PHL

8h 17m

1 stop

5:30 pm - 10:24 pm

PHL

COS

6h 54m

1 stop

$324American Airlines

Wed, May 27 - Wed, Jun 17

1:55 pm - 10:12 pm

COS

PHL

6h 17m

1 stop

2:23 pm - 9:27 pm

PHL

COS

9h 04m

1 stop

$341Delta

Wed, May 27 - Sat, May 30

1:55 pm - 10:12 pm

COS

PHL

6h 17m

1 stop

6:12 am - 12:48 pm

PHL

COS

8h 36m

2 stops

$346Delta

Wed, May 27 - Sat, May 30

9:55 am - 12:05 am

COS

PHL

12h 10m

1 stop

8:00 am - 2:00 pm

PHL

COS

8h 00m

1 stop

$371Southwest

Sat, Jun 27 - Fri, Jul 3

1:20 pm - 12:59 am

HDN

PHL

9h 39m

2 stops

4:14 pm - 8:07 pm

PHL

HDN

5h 53m

1 stop

$375United Airlines

Thu, Jun 4 - Mon, Jun 8

1:15 pm - 8:35 pm

COS

PHL

5h 20m

1 stop

6:25 am - 12:40 pm

PHL

COS

8h 15m

2 stops

$376Southwest

Wed, Sep 9 - Wed, Sep 16

1:33 pm - 12:59 am

GJT

PHL

9h 26m

2 stops

4:14 pm - 8:34 pm

PHL

GJT

6h 20m

1 stop

$380United Airlines

Sat, May 30 - Sat, Jun 6

Frontier flights from Colorado to Philadelphia

Our best Frontier deals on Colorado to Philadelphia flight tickets

Frontier

Jul 12

DEN10:39 pmDenver Intl

8h 42m

1 stop

PHL9:21 amPhiladelphia

Jul 13

PHL12:44 pmPhiladelphia

4h 14m

DEN2:58 pmDenver Intl

$181

Frontier

May 29

DEN11:59 pmDenver Intl

3h 38m

PHL5:37 amPhiladelphia

Jun 8

PHL7:00 amPhiladelphia

14h 29m

1 stop

DEN7:29 pmDenver Intl

$182

Frontier

Jun 12

DEN11:59 pmDenver Intl

3h 39m

PHL5:38 amPhiladelphia

Jun 13

PHL11:00 amPhiladelphia

12h 42m

1 stop

DEN9:42 pmDenver Intl

$186

United Airlines flights from Colorado to Philadelphia

Our best United Airlines deals on Colorado to Philadelphia flight tickets

United Airlines

Jun 4

HDN1:20 pmHayden Yampa Valley

9h 39m

2 stops

PHL12:59 amPhiladelphia

Jun 8

PHL4:14 pmPhiladelphia

5h 53m

1 stop

HDN8:07 pmHayden Yampa Valley

$375

United Airlines

May 30

GJT1:33 pmGrand Junction Regnl

9h 26m

2 stops

PHL12:59 amPhiladelphia

Jun 6

PHL4:14 pmPhiladelphia

6h 20m

1 stop

GJT8:34 pmGrand Junction Regnl

$380

United Airlines

Aug 4

MTJ1:30 pmMontrose County

9h 27m

2 stops

PHL12:57 amPhiladelphia

Aug 12

PHL6:16 amPhiladelphia

7h 05m

1 stop

MTJ11:21 amMontrose County

$390

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

DenverPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Sun 7/12

10:39 pm-9:21 am

1 stop8h 42m

Philadelphia

Mon 7/13

12:44 pm-2:58 pm

Nonstop4h 14m

$181

DenverPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Fri 5/29

11:59 pm-5:37 am

Nonstop3h 38m

Philadelphia

Mon 6/8

7:00 am-7:29 pm

1 stop14h 29m

$182

VailPhiladelphia

EGE - PHL

EGEPHL

Vail Eagle County

Fri 7/3

2:12 pm-12:35 am

1 stop8h 23m

Philadelphia

Tue 7/7

5:00 am-9:53 am

1 stop6h 53m

$311

Colorado SpringsPhiladelphia

COS - PHL

COSPHL

Colorado Springs

Wed 5/27

10:45 am-9:02 pm

1 stop8h 17m

Philadelphia

Wed 6/17

5:30 pm-10:24 pm

1 stop6h 54m

$324

Colorado SpringsPhiladelphia

COS - PHL

COSPHL

Colorado Springs

Wed 5/27

1:55 pm-10:12 pm

1 stop6h 17m

Philadelphia

Sat 5/30

2:23 pm-9:27 pm

1 stop9h 04m

$341

Colorado SpringsPhiladelphia

COS - PHL

COSPHL

Colorado Springs

Wed 5/27

1:55 pm-10:12 pm

1 stop6h 17m

Philadelphia

Sat 5/30

6:12 am-12:48 pm

2 stops8h 36m

$346

Colorado SpringsPhiladelphia

COS - PHL

COSPHL

Colorado Springs

Sat 6/27

9:55 am-12:05 am

1 stop12h 10m

Philadelphia

Fri 7/3

8:00 am-2:00 pm

1 stop8h 00m

$371

HaydenPhiladelphia

HDN - PHL

HDNPHL

Hayden Yampa Valley

Thu 6/4

1:20 pm-12:59 am

2 stops9h 39m

Philadelphia

Mon 6/8

4:14 pm-8:07 pm

1 stop5h 53m

$375

Colorado SpringsPhiladelphia

COS - PHL

COSPHL

Colorado Springs

Wed 9/9

1:15 pm-8:35 pm

1 stop5h 20m

Philadelphia

Wed 9/16

6:25 am-12:40 pm

2 stops8h 15m

$376

Grand JunctionPhiladelphia

GJT - PHL

GJTPHL

Grand Junction Regnl

Sat 5/30

1:33 pm-12:59 am

2 stops9h 26m

Philadelphia

Sat 6/6

4:14 pm-8:34 pm

1 stop6h 20m

$380

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 Colorado to Philadelphia

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 Philadelphia?

The cheapest month to fly to Philadelphia from Colorado is in November. Flight prices, which tend to average around $59, are often lower during this time because this is during the off-season. The month of April is another great option to travel to Philadelphia, with average flight prices from Colorado averaging around $63.

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

The cheapest day to depart from Colorado to Philadelphia is on a Thursday. Travelers who choose to depart for Philadelphia on a Thursday will often find tickets for as low as $331. On the other hand, Monday is the most expensive day to depart from Colorado because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $425.

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

According to our data, the cheapest time of day to fly to Philadelphia is in the evening. momondo users have found flights departing from Colorado to Philadelphia in the evening for as low as $256. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is at noon when prices are around $471.

What is the cheapest Colorado to Philadelphia flight route?

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

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

You are more likely to see cheaper flights to Philadelphia from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $323 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Colorado for as low as $271 on momondo.

Can stopping save me money on Colorado to Philadelphia flights?

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

Cheap Colorado to Philadelphia flight deals and tips

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

Best Price Found	$176
Fastest flight time	3h 20m
Direct flights	Every day
Airports in Philadelphia	1 airport

The best one-way flight to Philadelphia from Colorado in the past 72 hours is $176. The best round-trip flight deal from Colorado to Philadelphia found on momondo in the last 72 hours is $298.

The fastest flight from Colorado to Philadelphia takes 3h 20m

Direct flights go from Colorado to Philadelphia every day.

There is 1 airport in Philadelphia. From Colorado there are direct flights to Philadelphia (PHL).

Search flight deals

Frequently asked questions about flying from Colorado to Philadelphia

When did momondo last update prices for flights from Colorado to Philadelphia Airport?
Prices for flights from Colorado to Philadelphia Airport refresh daily.
How many operators does momondo search for flights from Colorado to Philadelphia Airport?
As of May 2026, there are 6 operators available to choose from for flights from Colorado to Philadelphia Airport.
How old do you have to be to fly from Colorado to Philadelphia Airport?
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 Colorado to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The required travel and health documents for your Philadelphia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Philadelphia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Colorado to Philadelphia?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Colorado to Philadelphia is Boeing 737-800 (18.76% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (16.48%), Boeing 737-800 Passenger/BBJ2 (winglets) (12.06%), and Airbus A321-100/200 (11.25%).

Best airlines flying from Colorado to Philadelphia

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $111	Free Cancellation	Rating 5.6 2,955 reviews	Search Frontier flights
JetBlue	PriceFrom $122	Free Cancellation	Rating 7.1 2,977 reviews	Search JetBlue flights
Delta	PriceFrom $128	Free Cancellation	Rating 7.9 8,454 reviews	Search Delta flights
American Airlines	PriceFrom $139	Free Cancellation	Rating 7.1 11,667 reviews	Search American Airlines flights
United Airlines	PriceFrom $192	Free Cancellation	Rating 7.4 9,694 reviews	Search United Airlines flights
Southwest	PriceFrom $217	Free Cancellation	Rating 7.9 4,301 reviews	Search Southwest flights

Wildwood

Rehoboth Beach

Cape May

Wildwood Crest

Ocean City

Cherry Hill

King of Prussia

Newark

Dewey Beach

Reading

Avalon

Dover

North Wildwood

Lewes

Stone Harbor

New Castle

Essington

Vineland

Pottstown

Somers Point

Why use momondo?

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

Finding the right flight to Philadelphia from Colorado is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Philadelphia quick and easy, saving you time and money.

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

Flights from Colorado to Philadelphia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Colorado and Philadelphia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Philadelphia, momondo offers a useful price alert feature which will track prices for flights to Philadelphia from Colorado and alert you when they change.