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

As of September 2026, there are 87 flights per week flying from Denver to Philadelphia. The most common day of the week flights depart is Mon, with 23% of flights taking off on this day.

What is the cheapest airline that flies from Denver Intl to Philadelphia?

United Airlines and Southwest are the most popular carriers operating from Denver Intl to Philadelphia

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

The number of flights available between Denver and Philadelphia is 12 per day as of September 2026. The most frequent departure time is 1:00PM, with 47% of daily flights leaving at noon.

What airlines fly to Philadelphia?

United Airlines, Frontier and Delta are the top three most popular airlines that fly to Philadelphia from Denver according to our data. United Airlines is the first choice among our users, with 48% 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.

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

Prices for flights from Denver Intl Airport to Philadelphia Airport are refreshed on a daily basis.

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

There are 6 operators available for flights from Denver Intl Airport to Philadelphia Airport as of September 2026.

How old do you have to be to fly from Denver Intl Airport 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 Denver Intl Airport 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.

$147 Cheap Flights from Denver to Philadelphia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Denver to Philadelphia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:31 am - 7:18 amDEN Denver Intl-PHL Philadelphia

21h 47m1 stop Las Vegas Harry Reid Intl

6:40 am - 6:52 pmPHL Philadelphia-DEN Denver Intl

14h 12m1 stop Charlotte Douglas

$248Frontier

Wed, Oct 14 - Fri, Oct 16

6:00 am - 8:20 pmDEN Denver Intl-PHL Philadelphia

12h 20m1 stop Atlanta Hartsfield-Jackson

6:10 am - 7:12 pmPHL Philadelphia-DEN Denver Intl

15h 02m1 stop Raleigh-Durham

$248Frontier

Thu, Nov 19 - Mon, Nov 23

2:10 pm - 11:31 pmDEN Denver Intl-PHL Philadelphia

7h 21m1 stop Washington, D.C. Dulles Intl

10:00 am - 12:20 pmPHL Philadelphia-DEN Denver Intl

4h 20mnonstop

$251United Airlines

Tue, Oct 27 - Wed, Nov 4

11:59 pm - 5:31 amDEN Denver Intl-PHL Philadelphia

3h 32mnonstop

9:45 am - 3:00 pmPHL Philadelphia-DEN Denver Intl

7h 15m1 stop Chicago O'Hare Intl

$251United Airlines

Wed, Dec 23 - Tue, Jan 5

7:37 pm - 1:16 amDEN Denver Intl-PHL Philadelphia

3h 39mnonstop

7:58 pm - 5:14 pmPHL Philadelphia-DEN Denver Intl

23h 16m1 stop Grand Rapids Gerald R. Ford Intl

$252Multiple Airlines

Fri, Oct 16 - Fri, Oct 23

9:10 pm - 8:04 pmDEN Denver Intl-PHL Philadelphia

20h 54m2 stops Minneapolis St Paul Chicago O'Hare Intl

5:50 am - 8:00 amPHL Philadelphia-DEN Denver Intl

4h 10mnonstop

$253Multiple Airlines

Fri, Oct 9 - Wed, Oct 14

11:30 pm - 5:10 amDEN Denver Intl-PHL Philadelphia

3h 40mnonstop

7:55 pm - 10:26 pmPHL Philadelphia-DEN Denver Intl

4h 31mnonstop

$271American Airlines

Tue, Oct 6 - Sat, Oct 10

6:00 pm - 11:30 pmDEN Denver Intl-PHL Philadelphia

3h 30mnonstop

7:05 am - 9:30 amPHL Philadelphia-DEN Denver Intl

4h 25mnonstop

$282Southwest

Tue, Nov 17 - Sat, Nov 21

6:00 pm - 11:30 pmDEN Denver Intl-PHL Philadelphia

3h 30mnonstop

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

4h 20mnonstop

$286Southwest

Wed, Dec 2 - Mon, Dec 7

2:54 pm - 8:33 pmDEN Denver Intl-PHL Philadelphia

3h 39mnonstop

4:00 pm - 6:35 pmPHL Philadelphia-DEN Denver Intl

4h 35mnonstop

$301American Airlines

Thu, Oct 29 - Sat, Oct 31

Cheap last minute flights

Enter your travel dates to find the best prices.

6:56 pm - 8:41 amDEN Denver Intl-PHL Philadelphia

11h 45m1 stop Tampa

5:50 am - 8:00 amPHL Philadelphia-DEN Denver Intl

4h 10mnonstop

$357Frontier

Sat, Sep 26 - Sat, Oct 10

5:37 pm - 11:20 pmDEN Denver Intl-PHL Philadelphia

3h 43mnonstop

8:00 am - 10:02 amPHL Philadelphia-DEN Denver Intl

4h 02mnonstop

$370United Airlines

Sat, Sep 26 - Tue, Oct 6

6:56 pm - 12:36 pmDEN Denver Intl-PHL Philadelphia

15h 40m1 stop Tampa

6:00 am - 4:01 pmPHL Philadelphia-DEN Denver Intl

12h 01m1 stop Dallas/Fort Worth

$371Frontier

Sat, Sep 26 - Tue, Oct 6

8:51 am - 5:54 pmDEN Denver Intl-PHL Philadelphia

7h 03m1 stop Chicago O'Hare Intl

8:00 am - 10:02 amPHL Philadelphia-DEN Denver Intl

4h 02mnonstop

$376United Airlines

Sat, Sep 26 - Tue, Oct 6

7:00 am - 12:41 pmDEN Denver Intl-PHL Philadelphia

3h 41mnonstop

7:55 pm - 10:26 pmPHL Philadelphia-DEN Denver Intl

4h 31mnonstop

$410American Airlines

Sat, Sep 26 - Sat, Oct 10

8:35 am - 6:25 pmDEN Denver Intl-PHL Philadelphia

7h 50m2 stops Dallas Love Field Chicago Midway

6:00 am - 1:20 pmPHL Philadelphia-DEN Denver Intl

9h 20m2 stops Nashville Intl Austin Bergstrom

$436Southwest

Sat, Sep 26 - Tue, Oct 6

7:00 am - 12:41 pmDEN Denver Intl-PHL Philadelphia

3h 41mnonstop

7:55 pm - 10:26 pmPHL Philadelphia-DEN Denver Intl

4h 31mnonstop

$498American Airlines

Sat, Sep 26 - Tue, Oct 6

12:59 am - 8:47 amDEN Denver Intl-PHL Philadelphia

5h 48m1 stop Detroit Metropolitan Wayne County

2:30 pm - 7:05 pmPHL Philadelphia-DEN Denver Intl

6h 35m1 stop Atlanta Hartsfield-Jackson

$519Delta

Fri, Sep 25 - Sat, Sep 26

3:25 pm - 11:12 pmDEN Denver Intl-PHL Philadelphia

5h 47m1 stop Detroit Metropolitan Wayne County

7:20 am - 12:09 pmPHL Philadelphia-DEN Denver Intl

6h 49m1 stop Salt Lake City

$519Delta

Wed, Sep 23 - Tue, Sep 29

7:25 am - 5:35 pmDEN Denver Intl-PHL Philadelphia

8h 10m1 stop Orlando

8:05 am - 2:00 pmPHL Philadelphia-DEN Denver Intl

7h 55m2 stops Chicago Midway Lambert-St Louis

$524Southwest

Wed, Sep 23 - Sat, Sep 26

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Frontier flights from Denver to Philadelphia

Our best Frontier deals on Denver to Philadelphia flight tickets

Frontier

Oct 10

DEN6:42 pmDenver Intl

10h 36m

1 stop

PHL7:18 amPhiladelphia

Oct 17

PHL9:09 pmPhiladelphia

13h 10m

1 stop

DEN8:19 amDenver Intl

$248

Frontier

Oct 16

DEN6:57 pmDenver Intl

10h 24m

1 stop

PHL7:21 amPhiladelphia

Oct 24

PHL6:00 amPhiladelphia

9h 47m

1 stop

DEN1:47 pmDenver Intl

$249

Frontier

Oct 16

DEN7:37 pmDenver Intl

3h 39m

PHL1:16 amPhiladelphia

Oct 19

PHL5:50 amPhiladelphia

4h 10m

DEN8:00 amDenver Intl

$250

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Wed 10/14

7:31 am-7:18 am

1 stop21h 47m

Philadelphia

Fri 10/16

6:40 am-6:52 pm

1 stop14h 12m

$248

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Thu 11/19

6:00 am-8:20 pm

1 stop12h 20m

Philadelphia

Mon 11/23

6:10 am-7:12 pm

1 stop15h 02m

$248

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Tue 10/27

2:10 pm-11:31 pm

1 stop7h 21m

Philadelphia

Wed 11/4

10:00 am-12:20 pm

Nonstop4h 20m

$251

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Wed 12/23

11:59 pm-5:31 am

Nonstop3h 32m

Philadelphia

Tue 1/5

9:45 am-3:00 pm

1 stop7h 15m

$251

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Fri 10/16

7:37 pm-1:16 am

Nonstop3h 39m

Philadelphia

Fri 10/23

7:58 pm-5:14 pm

1 stop23h 16m

$252

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Fri 10/9

9:10 pm-8:04 pm

2 stops20h 54m

Philadelphia

Wed 10/14

5:50 am-8:00 am

Nonstop4h 10m

$253

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Tue 10/6

11:30 pm-5:10 am

Nonstop3h 40m

Philadelphia

Sat 10/10

7:55 pm-10:26 pm

Nonstop4h 31m

$271

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Tue 11/17

6:00 pm-11:30 pm

Nonstop3h 30m

Philadelphia

Sat 11/21

7:05 am-9:30 am

Nonstop4h 25m

$282

Quickest round-trip

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Wed 12/2

6:00 pm-11:30 pm

Nonstop3h 30m

Philadelphia

Mon 12/7

5:00 am-7:20 am

Nonstop4h 20m

$286

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Thu 10/29

2:54 pm-8:33 pm

Nonstop3h 39m

Philadelphia

Sat 10/31

4:00 pm-6:35 pm

Nonstop4h 35m

$301

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

Prices are currently low for flights on this route.

Typical prices usually range from $287 to $465.
The lowest price recently found on this route was $248.

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from Denver is in February. Flight prices, which tend to average around $271, 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 Denver averaging around $322.

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

The cheapest day to depart from Denver to Philadelphia is on a Thursday. Travelers who choose to depart for Philadelphia on a Thursday will often find tickets for as low as $393. On the other hand, Monday is the most expensive day to depart from Denver because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $568.

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 Denver to Philadelphia in the evening for as low as $312. 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 $492.

What is the cheapest Denver Intl to Philadelphia flight route?

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

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

You are more likely to see cheaper flights to Philadelphia from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $370 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Denver for as low as $334 on momondo.

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

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

You could potentially save up to 3% on your flight if you consider stops on a Denver to Philadelphia flight.

How have Denver to Philadelphia flight prices changed over time?

As of September 2026, prices for Denver to Philadelphia flights are approximately 44% more expensive when compared to flights at the same time last year.

When to book flights from Denver to Philadelphia

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Philadelphia according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Denver to Philadelphia (DEN to PHL) flight deals and tips

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

Best Price Found	$147
Fastest flight time	3h 20m
Direct flights	Every day
Airports in Philadelphia	1 airport

The best one-way flight to Philadelphia from Denver in the past 72 hours is $147. The best round-trip flight deal from Denver to Philadelphia found on momondo in the last 72 hours is $248.

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

Direct flights go from Denver to Philadelphia every day.

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

Search flight deals

Frequently asked questions about flying from Denver to Philadelphia

How far is Denver Intl to Philadelphia by plane?
Denver Intl and Philadelphia are 1574.0 mi apart from one another. Typically, this will take 3h 20m by plane in normal conditions.
When did momondo last update prices for flights from Denver Intl Airport to Philadelphia Airport?
Prices for flights from Denver Intl Airport to Philadelphia Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Denver Intl Airport to Philadelphia Airport?
There are 6 operators available for flights from Denver Intl Airport to Philadelphia Airport as of September 2026.
How old do you have to be to fly from Denver Intl Airport 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 Denver Intl Airport 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 Denver to Philadelphia?
momondo data reveals that the most frequently booked plane model on the route from Denver to Philadelphia is Boeing 737-800, representing 27.45% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 22.33%, Boeing 737-800 Passenger/BBJ2 (winglets) at 11.36%, and Boeing 737 at 8.50%.
What is the most popular airline from Denver to Philadelphia?
momondo data reveals that the most frequently booked airline on the route from Denver to Philadelphia is Frontier, representing 36% of all bookings. The subsequent popular airlines are American Airlines at 33%, United Airlines at 18%, and Southwest at 11%.

Best airlines flying from Denver to Philadelphia

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $122	Free Cancellation	Rating 5.6 2,584 reviews	Search Frontier flights
JetBlue	PriceFrom $138	Free Cancellation	Rating 7.1 3,036 reviews	Search JetBlue flights
United Airlines	PriceFrom $236	Free Cancellation	Rating 7.4 10,222 reviews	Search United Airlines flights
Delta	PriceFrom $236	Free Cancellation	Rating 7.8 8,597 reviews	Search Delta flights
American Airlines	PriceFrom $237	Free Cancellation	Rating 7.0 12,076 reviews	Search American Airlines flights
Southwest	PriceFrom $246	Free Cancellation	Rating 8.0 4,194 reviews	Search Southwest flights

Southwest Flights From Denver to Philadelphia
Southwest flight deals from Denver to Philadelphia start from $246 round-trip. Over the 7 Southwest flights for this route in a normal week, average airfare is usually $486 round-trip - but some users have found much cheaper deals with momondo.
United Airlines Flights From Denver to Philadelphia
$236 is the best United Airlines flight deal from Denver to Philadelphia found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $527, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 10,222 user reviews) flies into Philadelphia from Denver 7 times in an average week so prices can vary.

Wildwood

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Rehoboth Beach

Wildwood Crest

Ocean City

Cherry Hill

King of Prussia

Newark

Reading

Essington

Dover

Dewey Beach

New Castle

North Wildwood

Chester

Vineland

Avalon

Lewes

Elkton

Pottstown

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Philadelphia from Denver.

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

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

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

Once you have performed a search for Denver to Philadelphia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Philadelphia from Denver are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.