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Cheap flights from Philadelphia to Denver from $235

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 Denver departing on 1/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Philadelphia to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:31 am - 12:25 pm
PHL
-
COS
8h 54m
1 stop
Delta Logo
7:55 am - 5:38 pm
COS
-
PHL
7h 43m
1 stop
$269Delta
Fri, Feb 20 - Tue, Feb 24
Delta Logo
6:55 am - 12:25 pm
PHL
-
COS
7h 30m
1 stop
Delta Logo
12:00 pm - 12:24 am
COS
-
PHL
10h 24m
2 stops
$274Delta
Sat, Feb 21 - Tue, Feb 24
United Airlines Logo
6:30 am - 11:02 am
PHL
-
COS
6h 32m
1 stop
United Airlines Logo
3:30 pm - 11:30 pm
COS
-
PHL
6h 00m
1 stop
$309United Airlines
Thu, Feb 5 - Fri, Feb 6
American Airlines Logo
5:17 pm - 11:59 pm
PHL
-
COS
8h 42m
1 stop
American Airlines Logo
6:00 am - 5:09 pm
COS
-
PHL
9h 09m
2 stops
$314American Airlines
Fri, Feb 27 - Tue, Mar 3
Delta Logo
5:31 am - 12:25 pm
PHL
-
COS
8h 54m
1 stop
Delta Logo
6:20 am - 2:29 pm
COS
-
PHL
6h 09m
1 stop
$327Delta
Mon, Feb 23 - Wed, Mar 11
Delta Logo
6:55 am - 12:25 pm
PHL
-
COS
7h 30m
1 stop
Delta Logo
6:20 am - 7:49 pm
COS
-
PHL
11h 29m
2 stops
$332Delta
Mon, Feb 23 - Wed, Mar 11
Delta Logo
8:00 am - 12:25 pm
PHL
-
COS
6h 25m
1 stop
Delta Logo
6:20 am - 3:46 pm
COS
-
PHL
7h 26m
1 stop
$336Delta
Tue, Feb 24 - Thu, Mar 12
Delta Logo
12:29 pm - 10:21 pm
PHL
-
COS
11h 52m
2 stops
Delta Logo
6:20 am - 5:12 pm
COS
-
PHL
8h 52m
1 stop
$341Delta
Tue, Feb 24 - Thu, Mar 12
Delta Logo
8:00 am - 12:25 pm
PHL
-
COS
6h 25m
1 stop
Delta Logo
6:20 am - 5:12 pm
COS
-
PHL
8h 52m
1 stop
$346Delta
Mon, Feb 23 - Thu, Mar 12
Delta Logo
12:29 pm - 10:21 pm
PHL
-
COS
11h 52m
2 stops
Delta Logo
6:20 am - 5:12 pm
COS
-
PHL
8h 52m
1 stop
$351Delta
Tue, Feb 24 - Thu, Mar 12

Delta flights from Philadelphia to Colorado Springs

Our best Delta deals on Philadelphia to Colorado Springs flight tickets
Delta
Feb 20
PHL5:31 amPhiladelphia
8h 54m
1 stop
COS12:25 pmColorado Springs
Feb 24
COS7:55 amColorado Springs
7h 43m
1 stop
PHL5:38 pmPhiladelphia
$269
Delta
Feb 21
PHL6:55 amPhiladelphia
7h 30m
1 stop
COS12:25 pmColorado Springs
Feb 24
COS12:00 pmColorado Springs
10h 24m
2 stops
PHL12:24 amPhiladelphia
$274
Delta
Feb 23
PHL5:31 amPhiladelphia
8h 54m
1 stop
COS12:25 pmColorado Springs
Mar 11
COS6:20 amColorado Springs
6h 09m
1 stop
PHL2:29 pmPhiladelphia
$327

United Airlines flights from Philadelphia to Colorado Springs

Our best United Airlines deals on Philadelphia to Colorado Springs flight tickets
United Airlines
Feb 5
PHL6:30 amPhiladelphia
6h 32m
1 stop
COS11:02 amColorado Springs
Feb 6
COS3:30 pmColorado Springs
6h 00m
1 stop
PHL11:30 pmPhiladelphia
$309
United Airlines
Feb 5
PHL6:30 amPhiladelphia
10h 04m
2 stops
COS2:34 pmColorado Springs
Feb 6
COS3:30 pmColorado Springs
6h 00m
1 stop
PHL11:30 pmPhiladelphia
$358
United Airlines
Feb 21
PHL8:02 amPhiladelphia
8h 28m
2 stops
COS2:30 pmColorado Springs
Feb 25
COS7:35 amColorado Springs
7h 07m
1 stop
PHL4:42 pmPhiladelphia
$364

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to Colorado Springs 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, momondo users made 832,500 searches. Data last updated January 15, 2026.
Use the filters below to find and compare flights from Philadelphia to Colorado Springs that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaColorado Springs

PHL - COS

PHLCOS

Philadelphia

Fri 2/20

5:31 am-12:25 pm

1 stop8h 54m

Colorado Springs

Tue 2/24

7:55 am-5:38 pm

1 stop7h 43m

$269

PhiladelphiaColorado Springs

PHL - COS

PHLCOS

Philadelphia

Sat 2/21

6:55 am-12:25 pm

1 stop7h 30m

Colorado Springs

Tue 2/24

12:00 pm-12:24 am

2 stops10h 24m

$274

PhiladelphiaColorado Springs

PHL - COS

PHLCOS

Philadelphia

Thu 2/5

6:30 am-11:02 am

1 stop6h 32m

Colorado Springs

Fri 2/6

3:30 pm-11:30 pm

1 stop6h 00m

$309

PhiladelphiaColorado Springs

PHL - COS

PHLCOS

Philadelphia

Fri 2/27

5:17 pm-11:59 pm

1 stop8h 42m

Colorado Springs

Tue 3/3

6:00 am-5:09 pm

2 stops9h 09m

$314

PhiladelphiaColorado Springs

PHL - COS

PHLCOS

Philadelphia

Mon 2/23

5:31 am-12:25 pm

1 stop8h 54m

Colorado Springs

Wed 3/11

6:20 am-2:29 pm

1 stop6h 09m

$327

PhiladelphiaColorado Springs

PHL - COS

PHLCOS

Philadelphia

Mon 2/23

6:55 am-12:25 pm

1 stop7h 30m

Colorado Springs

Wed 3/11

6:20 am-7:49 pm

2 stops11h 29m

$332

PhiladelphiaColorado Springs

PHL - COS

PHLCOS

Philadelphia

Tue 2/24

8:00 am-12:25 pm

1 stop6h 25m

Colorado Springs

Thu 3/12

6:20 am-3:46 pm

1 stop7h 26m

$336

PhiladelphiaColorado Springs

PHL - COS

PHLCOS

Philadelphia

Tue 2/24

12:29 pm-10:21 pm

2 stops11h 52m

Colorado Springs

Thu 3/12

6:20 am-5:12 pm

1 stop8h 52m

$341

PhiladelphiaColorado Springs

PHL - COS

PHLCOS

Philadelphia

Mon 2/23

8:00 am-12:25 pm

1 stop6h 25m

Colorado Springs

Thu 3/12

6:20 am-5:12 pm

1 stop8h 52m

$346

PhiladelphiaColorado Springs

PHL - COS

PHLCOS

Philadelphia

Tue 2/24

12:29 pm-10:21 pm

2 stops11h 52m

Colorado Springs

Thu 3/12

6:20 am-5:12 pm

1 stop8h 52m

$351

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Denver from

How to get the cheapest flight ticket from Philadelphia to Colorado Springs

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 typical price of a round-trip flight between Philadelphia and Colorado Springs?

What is the cheapest month to fly to Colorado Springs?

The month of October is another great option to travel to Colorado Springs, with average flight prices from Philadelphia averaging around $418.

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

You are more likely to see cheaper flights to Colorado Springs from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado Springs for around $475 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado Springs from Philadelphia for as low as $375 on momondo.

How have Philadelphia to Colorado Springs flight prices changed over time?

As of January 2026, prices for Philadelphia to Colorado Springs flights are approximately 53% cheaper when compared to flights at the same time last year.

When to book flights from Philadelphia to Colorado Springs

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Colorado Springs according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Philadelphia to Colorado Springs (PHL to COS) flight deals and tips

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

Fastest flight time

5h 40m

Direct flights

None
The fastest flight from Philadelphia to Colorado Springs takes 5h 40m
There are no direct flights from Philadelphia to Colorado Springs. There are no popular flight routes from Philadelphia to Colorado Springs.
Search flight deals

  • How far is Philadelphia to Colorado Springs by plane?

    A flight from Philadelphia to Colorado Springs will travel around 1577.6 mi. 5h 40m is a normal flight duration for this route.

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

    Prices for flights from Philadelphia Airport to Colorado Springs Airport refresh daily.

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

  • How old do you have to be to fly from Philadelphia Airport to Colorado Springs 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 Philadelphia Airport to Colorado Springs Airport.

  • What documentation or ID do you need to fly to Colorado Springs Airport?

    The travel and health documents you'll need for your trip to Colorado Springs Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Colorado Springs Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Philadelphia to Colorado Springs?

Best airlines flying from Philadelphia to Colorado Springs

Compare and see reviews for airlines that fly from Philadelphia to Colorado Springs with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $316Free CancellationRating
7.9
8,051 reviews
Search Delta flights
American AirlinesPriceFrom $323Free CancellationRating
7.2
11,136 reviews
Search American Airlines flights
United AirlinesPriceFrom $361Free CancellationRating
7.4
9,164 reviews
Search United Airlines flights
SouthwestPriceFrom $380Free CancellationRating
8.0
4,258 reviews
Search Southwest flights

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Cañon City

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Philadelphia to Colorado Springs. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Philadelphia to Colorado Springs flights to just show those with flexible booking policies.

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

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 Springs from Philadelphia.

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

If you are not ready to book a flight from Philadelphia to Colorado Springs 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 Springs and let you know when they change.

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