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

10 flights are operational daily from Colorado to Philadelphia as of November 2026. The most popular departure time for this route is 2:00PM, with 56% of flights per day taking off in the afternoon.

What airlines fly to Philadelphia?

United Airlines, Delta and Frontier 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 51% 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.

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

As of November 2026, there are 74 flights per week flying from Colorado to Philadelphia. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.

How long does it take to fly to Philadelphia?

If you’re flying from a popular airport in Colorado, such as Denver or Vail, and flying into Philadelphia, then you can expect flight times to average 3h 36m and 4h 14m, respectively.

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

United Airlines, JetBlue, and Southwest are the most popular carriers operating 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 November 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.

$128 Cheap Flights from Colorado to Philadelphia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Colorado to Philadelphia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:00 am - 11:11 pmDEN Denver Intl-PHL Philadelphia

12h 11m1 stop Atlanta Hartsfield-Jackson

6:31 pm - 12:35 pmPHL Philadelphia-DEN Denver Intl

20h 04m2 stops Atlanta Hartsfield-Jackson Dallas/Fort Worth

$263Frontier

Wed, Dec 9 - Sun, Dec 13

9:00 am - 6:31 pmDEN Denver Intl-PHL Philadelphia

7h 31m1 stop Atlanta Hartsfield-Jackson

6:31 pm - 6:29 amPHL Philadelphia-DEN Denver Intl

13h 58m1 stop Atlanta Hartsfield-Jackson

$268Frontier

Sat, Dec 5 - Sat, Dec 12

6:30 am - 1:30 pmDEN Denver Intl-PHL Philadelphia

5h 00m1 stop Lambert-St Louis

5:15 pm - 7:30 pmPHL Philadelphia-DEN Denver Intl

4h 15mnonstop

$275Southwest

Fri, Jan 29 - Fri, Jan 29

8:15 am - 4:14 pmDEN Denver Intl-PHL Philadelphia

5h 59m1 stop Atlanta Hartsfield-Jackson

6:00 am - 9:40 amPHL Philadelphia-DEN Denver Intl

5h 40m1 stop Detroit Metropolitan Wayne County

$277Delta

Tue, Dec 8 - Tue, Dec 15

6:25 am - 5:38 pmDEN Denver Intl-PHL Philadelphia

9h 13m1 stop Salt Lake City

7:11 pm - 11:49 pmPHL Philadelphia-DEN Denver Intl

6h 38m1 stop Minneapolis St Paul

$277Delta

Fri, Nov 27 - Tue, Dec 1

6:00 am - 2:13 pmDEN Denver Intl-PHL Philadelphia

6h 13m1 stop Washington, D.C. Dulles Intl

1:19 pm - 5:38 pmPHL Philadelphia-DEN Denver Intl

6h 19m1 stop Chicago O'Hare Intl

$277United Airlines

Wed, Dec 30 - Tue, Jan 5

11:45 am - 5:10 pmDEN Denver Intl-PHL Philadelphia

3h 25mnonstop

4:40 pm - 6:50 pmPHL Philadelphia-DEN Denver Intl

4h 10mnonstop

$279Southwest

Sat, Dec 5 - Sat, Dec 12

6:10 pm - 11:41 pmDEN Denver Intl-PHL Philadelphia

3h 31mnonstop

3:35 pm - 5:55 pmPHL Philadelphia-DEN Denver Intl

4h 20mnonstop

$279United Airlines

Tue, Dec 8 - Sat, Dec 12

12:08 pm - 5:40 pmDEN Denver Intl-PHL Philadelphia

3h 32mnonstop

8:42 am - 11:13 amPHL Philadelphia-DEN Denver Intl

4h 31mnonstop

$279American Airlines

Wed, Dec 9 - Sat, Dec 12

3:04 pm - 8:34 pmDEN Denver Intl-PHL Philadelphia

3h 30mnonstop

8:42 am - 11:13 amPHL Philadelphia-DEN Denver Intl

4h 31mnonstop

$279American Airlines

Tue, Dec 8 - Sat, Dec 12

Cheap last minute flights

Enter your travel dates to find the best prices.

10:43 am - 1:25 pmDEN Denver Intl-PHL Philadelphia

24h 42m1 stop Charlotte Douglas

12:31 pm - 7:57 pmPHL Philadelphia-DEN Denver Intl

9h 26m1 stop Atlanta Hartsfield-Jackson

$319Frontier

Fri, Nov 13 - Wed, Dec 16

10:43 am - 1:25 pmDEN Denver Intl-PHL Philadelphia

24h 42m1 stop Charlotte Douglas

12:31 pm - 7:57 pmPHL Philadelphia-DEN Denver Intl

9h 26m1 stop Atlanta Hartsfield-Jackson

$324Frontier

Fri, Nov 13 - Wed, Dec 16

6:10 pm - 11:15 amCOS Colorado Springs-PHL Philadelphia

15h 05m1 stop Tampa St. Petersburg

6:00 am - 3:34 pmPHL Philadelphia-COS Colorado Springs

11h 34m1 stop Tampa

$422Multiple Airlines

Fri, Nov 13 - Mon, Nov 16

6:10 pm - 11:06 pmCOS Colorado Springs-PHL Philadelphia

26h 56m2 stops Tampa St. Petersburg Atlanta Hartsfield-Jackson

6:00 am - 3:34 pmPHL Philadelphia-COS Colorado Springs

11h 34m1 stop Tampa

$432Multiple Airlines

Fri, Nov 13 - Mon, Nov 16

6:45 pm - 12:10 amDEN Denver Intl-PHL Philadelphia

3h 25mnonstop

5:00 am - 7:20 amPHL Philadelphia-DEN Denver Intl

4h 20mnonstop

$453Southwest

Fri, Nov 13 - Wed, Dec 16

6:20 am - 4:32 pmDEN Denver Intl-PHL Philadelphia

8h 12m1 stop Charlotte Douglas

11:41 am - 2:09 pmPHL Philadelphia-DEN Denver Intl

4h 28mnonstop

$463American Airlines

Fri, Nov 13 - Wed, Dec 16

8:10 am - 6:45 pmDEN Denver Intl-PHL Philadelphia

8h 35m2 stops Lambert-St Louis Chicago Midway

1:25 pm - 9:45 pmPHL Philadelphia-DEN Denver Intl

10h 20m2 stops Chicago Midway Lambert-St Louis

$483Southwest

Fri, Nov 13 - Wed, Dec 16

5:34 am - 4:27 pmCOS Colorado Springs-PHL Philadelphia

8h 53m1 stop Dallas/Fort Worth

5:30 pm - 10:46 pmPHL Philadelphia-COS Colorado Springs

7h 16m1 stop Dallas/Fort Worth

$529American Airlines

Tue, Nov 10 - Tue, Nov 17

6:00 am - 4:12 pmCOS Colorado Springs-PHL Philadelphia

8h 12m1 stop Atlanta Hartsfield-Jackson

6:30 am - 12:26 pmPHL Philadelphia-COS Colorado Springs

7h 56m1 stop Atlanta Hartsfield-Jackson

$529Delta

Tue, Nov 10 - Wed, Nov 18

1:31 pm - 9:30 pmCOS Colorado Springs-PHL Philadelphia

5h 59m1 stop Atlanta Hartsfield-Jackson

6:30 am - 12:26 pmPHL Philadelphia-COS Colorado Springs

7h 56m1 stop Atlanta Hartsfield-Jackson

$529Delta

Tue, Nov 10 - Tue, Nov 17

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American Airlines flights from Colorado to Philadelphia

Our best American Airlines deals on Colorado to Philadelphia flight tickets

American Airlines

Dec 10

DEN2:45 pmDenver Intl

3h 33m

PHL8:18 pmPhiladelphia

Dec 14

PHL11:25 amPhiladelphia

4h 25m

DEN1:50 pmDenver Intl

$309

American Airlines

Dec 16

COS12:59 pmColorado Springs

8h 14m

1 stop

PHL11:13 pmPhiladelphia

Dec 21

PHL6:13 amPhiladelphia

7h 42m

1 stop

COS11:55 amColorado Springs

$386

American Airlines

Jan 16

COS12:58 pmColorado Springs

6h 33m

1 stop

PHL9:31 pmPhiladelphia

Jan 22

PHL5:00 amPhiladelphia

9h 08m

1 stop

COS12:08 pmColorado Springs

$396

Delta flights from Colorado to Philadelphia

Our best Delta deals on Colorado to Philadelphia flight tickets

Delta

Nov 27

DEN6:25 amDenver Intl

9h 13m

1 stop

PHL5:38 pmPhiladelphia

Dec 1

PHL7:11 pmPhiladelphia

6h 38m

1 stop

DEN11:49 pmDenver Intl

$277

Delta

Dec 11

COS8:02 amColorado Springs

7h 45m

1 stop

PHL5:47 pmPhiladelphia

Dec 15

PHL12:04 pmPhiladelphia

12h 20m

2 stops

COS10:24 pmColorado Springs

$356

Delta

Dec 12

COS6:05 pmColorado Springs

13h 24m

2 stops

PHL9:29 amPhiladelphia

Dec 15

PHL6:20 amPhiladelphia

13h 03m

2 stops

COS5:23 pmColorado Springs

$361

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Wed 12/9

9:00 am-11:11 pm

1 stop12h 11m

Philadelphia

Sun 12/13

6:31 pm-12:35 pm

2 stops20h 04m

$263

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Sat 12/5

9:00 am-6:31 pm

1 stop7h 31m

Philadelphia

Sat 12/12

6:31 pm-6:29 am

1 stop13h 58m

$268

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Fri 1/29

6:30 am-1:30 pm

1 stop5h 00m

Philadelphia

Fri 1/29

5:15 pm-7:30 pm

Nonstop4h 15m

$275

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Tue 12/8

8:15 am-4:14 pm

1 stop5h 59m

Philadelphia

Tue 12/15

6:00 am-9:40 am

1 stop5h 40m

$277

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Fri 11/27

6:25 am-5:38 pm

1 stop9h 13m

Philadelphia

Tue 12/1

7:11 pm-11:49 pm

1 stop6h 38m

$277

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Wed 12/30

6:00 am-2:13 pm

1 stop6h 13m

Philadelphia

Tue 1/5

1:19 pm-5:38 pm

1 stop6h 19m

$277

Quickest round-trip

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Sat 12/5

11:45 am-5:10 pm

Nonstop3h 25m

Philadelphia

Sat 12/12

4:40 pm-6:50 pm

Nonstop4h 10m

$279

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Tue 12/8

6:10 pm-11:41 pm

Nonstop3h 31m

Philadelphia

Sat 12/12

3:35 pm-5:55 pm

Nonstop4h 20m

$279

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Wed 12/9

12:08 pm-5:40 pm

Nonstop3h 32m

Philadelphia

Sat 12/12

8:42 am-11:13 am

Nonstop4h 31m

$279

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Tue 12/8

3:04 pm-8:34 pm

Nonstop3h 30m

Philadelphia

Sat 12/12

8:42 am-11:13 am

Nonstop4h 31m

$279

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 February. Flight prices, which tend to average around $288, 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 $338.

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 $403. 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 $584.

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 $328. 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 in the afternoon when prices are around $510.

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 $386 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 $339 on momondo.

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

There are 4 cabin classes available to choose from on Colorado to Philadelphia 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 Colorado to Philadelphia flights?

You could potentially save up to 2% on your flight if you consider stops on a Colorado to Philadelphia flight.

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	$128
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 $128. The best round-trip flight deal from Colorado to Philadelphia found on momondo in the last 72 hours is $263.

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 November 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 MAX 8 (27.52% of total bookings). The next most popular plane models are Boeing 737-800 (27.38%), Boeing 737-800 Passenger/BBJ2 (winglets) (10.24%), and Airbus A320-100/200 (8.76%).

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 $125	Free Cancellation	Rating 5.5 2,506 reviews	Search Frontier flights
American Airlines	PriceFrom $139	Free Cancellation	Rating 7.0 12,225 reviews	Search American Airlines flights
JetBlue	PriceFrom $164	Free Cancellation	Rating 7.1 3,066 reviews	Search JetBlue flights
Delta	PriceFrom $185	Free Cancellation	Rating 7.8 8,700 reviews	Search Delta flights
United Airlines	PriceFrom $248	Free Cancellation	Rating 7.3 10,475 reviews	Search United Airlines flights
Southwest	PriceFrom $249	Free Cancellation	Rating 8.0 4,218 reviews	Search Southwest flights

Wildwood

Cape May

Rehoboth Beach

Wildwood Crest

Ocean City

Cherry Hill

King of Prussia

Newark

Essington

Reading

Dover

Dewey Beach

New Castle

North Wildwood

Vineland

Chester

Pottstown

Lewes

Elkton

Avalon

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.