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Cheap flights from Philadelphia to Denver from $179

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 10/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Philadelphia to Denver

Cheap round-trip flights

United Airlines Logo
5:01 pm - 9:41 pmPHL-COS
6h 40m1 stop
United Airlines Logo
12:54 pm - 11:09 pmCOS-PHL
8h 15m1 stop
$374United Airlines
Find Deal
Sat, Oct 11 - Tue, Oct 14
Multiple Airlines Logo
3:59 pm - 8:51 amPHL-COS
18h 52m1 stop
Multiple Airlines Logo
4:41 pm - 11:26 amCOS-PHL
16h 45m2 stops
$376Multiple Airlines
Find Deal
Thu, Oct 23 - Sun, Oct 26
United Airlines Logo
5:01 pm - 9:41 pmPHL-COS
6h 40m1 stop
United Airlines Logo
1:54 pm - 12:45 amCOS-PHL
8h 51m2 stops
$379United Airlines
Find Deal
Sat, Oct 11 - Tue, Oct 14
Southwest Logo
10:10 am - 5:45 pmPHL-COS
9h 35m2 stops
Southwest Logo
6:10 am - 5:15 pmCOS-PHL
9h 05m2 stops
$384Southwest
Find Deal
Thu, Oct 30 - Tue, Nov 4
American Airlines Logo
5:00 am - 9:47 amPHL-COS
6h 47m1 stop
American Airlines Logo
1:50 pm - 12:48 amCOS-PHL
8h 58m1 stop
$391American Airlines
Find Deal
Thu, Oct 16 - Mon, Oct 20
American Airlines Logo
7:38 am - 11:34 amPHL-COS
5h 56m1 stop
American Airlines Logo
6:02 am - 2:26 pmCOS-PHL
6h 24m1 stop
$393American Airlines
Find Deal
Sat, Oct 18 - Sat, Oct 25
Southwest Logo
1:50 pm - 9:30 pmPHL-COS
9h 40m2 stops
Southwest Logo
3:10 pm - 10:10 pmCOS-PHL
5h 00m1 stop
$396Southwest
Find Deal
Thu, Nov 20 - Mon, Nov 24
American Airlines Logo
6:00 am - 11:34 amPHL-COS
7h 34m1 stop
American Airlines Logo
6:02 am - 5:43 pmCOS-PHL
9h 41m2 stops
$398American Airlines
Find Deal
Sat, Oct 18 - Sat, Oct 25
Delta Logo
6:45 am - 12:11 pmPHL-COS
7h 26m1 stop
Delta Logo
6:00 am - 7:14 pmCOS-PHL
11h 14m2 stops
$474Delta
Find Deal
Mon, Oct 13 - Wed, Oct 15
Delta Logo
5:55 am - 1:05 pmPHL-COS
9h 10m1 stop
Delta Logo
1:40 pm - 12:22 amCOS-PHL
8h 42m1 stop
$487Delta
Find Deal
Tue, Mar 10 - Wed, Mar 11

United Airlines flights from Philadelphia to Colorado Springs

Our best United Airlines deals on Philadelphia to Colorado Springs flight tickets
United Airlines
Oct 11
PHL5:01 pmPhiladelphia
6h 40m
1 stop
COS9:41 pmColorado Springs
Oct 14
COS12:54 pmColorado Springs
8h 15m
1 stop
PHL11:09 pmPhiladelphia
$374
Find similar
United Airlines
Oct 11
PHL5:01 pmPhiladelphia
6h 40m
1 stop
COS9:41 pmColorado Springs
Oct 14
COS1:54 pmColorado Springs
8h 51m
2 stops
PHL12:45 amPhiladelphia
$379
Find similar
United Airlines
Feb 14
PHL10:10 amPhiladelphia
10h 10m
2 stops
COS6:20 pmColorado Springs
Feb 17
COS3:40 pmColorado Springs
5h 50m
1 stop
PHL11:30 pmPhiladelphia
$405
Find similar

Southwest flights from Philadelphia to Colorado Springs

Our best Southwest deals on Philadelphia to Colorado Springs flight tickets
Southwest
Oct 30
PHL10:10 amPhiladelphia
9h 35m
2 stops
COS5:45 pmColorado Springs
Nov 4
COS6:10 amColorado Springs
9h 05m
2 stops
PHL5:15 pmPhiladelphia
$384
Find similar
Southwest
Nov 20
PHL1:50 pmPhiladelphia
9h 40m
2 stops
COS9:30 pmColorado Springs
Nov 24
COS3:10 pmColorado Springs
5h 00m
1 stop
PHL10:10 pmPhiladelphia
$396
Find similar
Southwest
Oct 18
PHL12:05 pmPhiladelphia
9h 30m
1 stop
COS7:35 pmColorado Springs
Oct 25
COS3:50 pmColorado Springs
5h 20m
1 stop
PHL11:10 pmPhiladelphia
$409
Find similar

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 September 16, 2025.
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

Sat 10/11

5:01 pm-9:41 pm

1 stop6h 40m

Colorado Springs

Tue 10/14

12:54 pm-11:09 pm

1 stop8h 15m

$374

PhiladelphiaColorado Springs

PHL - COS

PHLCOS

Philadelphia

Thu 10/23

3:59 pm-8:51 am

1 stop18h 52m

Colorado Springs

Sun 10/26

4:41 pm-11:26 am

2 stops16h 45m

$376

PhiladelphiaColorado Springs

PHL - COS

PHLCOS

Philadelphia

Sat 10/11

5:01 pm-9:41 pm

1 stop6h 40m

Colorado Springs

Tue 10/14

1:54 pm-12:45 am

2 stops8h 51m

$379

PhiladelphiaColorado Springs

PHL - COS

PHLCOS

Philadelphia

Thu 10/30

10:10 am-5:45 pm

2 stops9h 35m

Colorado Springs

Tue 11/4

6:10 am-5:15 pm

2 stops9h 05m

$384

PhiladelphiaColorado Springs

PHL - COS

PHLCOS

Philadelphia

Thu 10/16

5:00 am-9:47 am

1 stop6h 47m

Colorado Springs

Mon 10/20

1:50 pm-12:48 am

1 stop8h 58m

$391

PhiladelphiaColorado Springs

PHL - COS

PHLCOS

Philadelphia

Sat 10/18

7:38 am-11:34 am

1 stop5h 56m

Colorado Springs

Sat 10/25

6:02 am-2:26 pm

1 stop6h 24m

$393

PhiladelphiaColorado Springs

PHL - COS

PHLCOS

Philadelphia

Thu 11/20

1:50 pm-9:30 pm

2 stops9h 40m

Colorado Springs

Mon 11/24

3:10 pm-10:10 pm

1 stop5h 00m

$396

PhiladelphiaColorado Springs

PHL - COS

PHLCOS

Philadelphia

Sat 10/18

6:00 am-11:34 am

1 stop7h 34m

Colorado Springs

Sat 10/25

6:02 am-5:43 pm

2 stops9h 41m

$398

PhiladelphiaColorado Springs

PHL - COS

PHLCOS

Philadelphia

Mon 10/13

6:45 am-12:11 pm

1 stop7h 26m

Colorado Springs

Wed 10/15

6:00 am-7:14 pm

2 stops11h 14m

$474

PhiladelphiaColorado Springs

PHL - COS

PHLCOS

Philadelphia

Tue 3/10

5:55 am-1:05 pm

1 stop9h 10m

Colorado Springs

Wed 3/11

1:40 pm-12:22 am

1 stop8h 42m

$487

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 cheapest month to fly to Colorado Springs?

The month of May is another great option to travel to Colorado Springs, with average flight prices from Philadelphia averaging around $445.

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

The cheapest day to depart from Philadelphia to Colorado Springs is on a Wednesday when prices can be found for as low as $452. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to Colorado Springs for around $540.

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

Flying to Colorado Springs from Philadelphia at noon is the least expensive time of day to depart. momondo users have found prices as low as $456 when looking at flights departing at noon. Flights to Colorado Springs are more costly in the evening, with an average ticket price of $576. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 $493 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 $388 on momondo.

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

As of September 2025, prices for Philadelphia to Colorado Springs flights are approximately 106% more expensive 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

Direct flights

None
There are no direct flights from Philadelphia to Colorado Springs. There are no popular flight routes from Philadelphia to Colorado Springs.
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  • How far is Philadelphia to Colorado Springs by plane?

    A flight from Philadelphia to Colorado Springs will travel around 1577.6 mi. 5h 25m 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
7,957 reviews
Search Delta flights
American AirlinesPriceFrom $356Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $361Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
SouthwestPriceFrom $380Free CancellationRating
8.0
4,242 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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