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

The number of flights available between Denver and Philadelphia is 16 per day as of August 2026. The most frequent departure time is 12:00PM, with 48% of daily flights leaving at noon.

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

Frontier, United Airlines, and Delta are the most popular carriers operating from Denver Intl to Philadelphia

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 46% 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 Denver to Philadelphia on average per week?

As of August 2026, there are 112 flights per week flying from Denver to Philadelphia. The most common day of the week flights depart is Fri, with 21% of flights taking off on this day.

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 August 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.

$135 Cheap Flights from Denver to Philadelphia in 2026

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.

1:28 pm - 9:20 pmDEN Denver Intl-PHL Philadelphia

5h 52m1 stop Raleigh-Durham

2:45 pm - 10:10 pmPHL Philadelphia-DEN Denver Intl

9h 25m1 stop Atlanta Hartsfield-Jackson

$225Frontier

Thu, Aug 27 - Mon, Aug 31

11:59 pm - 9:10 amDEN Denver Intl-PHL Philadelphia

7h 11m1 stop Orlando

7:10 am - 10:33 pmPHL Philadelphia-DEN Denver Intl

17h 23m1 stop Atlanta Hartsfield-Jackson

$225Frontier

Thu, Oct 22 - Fri, Oct 30

8:00 am - 5:20 pmDEN Denver Intl-PHL Philadelphia

7h 20m1 stop Des Moines

5:32 pm - 9:24 pmPHL Philadelphia-DEN Denver Intl

29h 52m1 stop Atlanta Hartsfield-Jackson

$226Multiple Airlines

Thu, Sep 10 - Sun, Sep 13

6:30 am - 6:15 pmDEN Denver Intl-PHL Philadelphia

9h 45m1 stop Atlanta Hartsfield-Jackson

12:55 pm - 3:36 pmPHL Philadelphia-DEN Denver Intl

28h 41m1 stop Des Moines

$227Multiple Airlines

Tue, Oct 13 - Sun, Oct 18

8:00 am - 1:43 pmDEN Denver Intl-PHL Philadelphia

3h 43mnonstop

9:23 am - 11:33 amPHL Philadelphia-DEN Denver Intl

4h 10mnonstop

$321American Airlines

Sun, Sep 6 - Fri, Sep 11

8:30 am - 2:11 pmDEN Denver Intl-PHL Philadelphia

3h 41mnonstop

8:10 pm - 10:24 pmPHL Philadelphia-DEN Denver Intl

4h 14mnonstop

$332American Airlines

Wed, Sep 9 - Fri, Sep 11

10:05 am - 3:48 pmDEN Denver Intl-PHL Philadelphia

3h 43mnonstop

3:48 pm - 5:55 pmPHL Philadelphia-DEN Denver Intl

4h 07mnonstop

$332United Airlines

Sat, Sep 5 - Sat, Sep 12

1:45 pm - 7:25 pmDEN Denver Intl-PHL Philadelphia

3h 40mnonstop

8:00 am - 10:05 amPHL Philadelphia-DEN Denver Intl

4h 05mnonstop

$332United Airlines

Wed, Sep 9 - Fri, Sep 11

6:10 pm - 11:55 pmDEN Denver Intl-PHL Philadelphia

3h 45mnonstop

4:05 pm - 6:05 pmPHL Philadelphia-DEN Denver Intl

4h 00mnonstop

$332Southwest

Wed, Sep 9 - Fri, Sep 11

6:00 pm - 11:50 pmDEN Denver Intl-PHL Philadelphia

3h 50mnonstop

12:35 pm - 2:25 pmPHL Philadelphia-DEN Denver Intl

3h 50mnonstop

$332Southwest

Fri, Sep 11 - Wed, Sep 16

Cheap last minute flights

Enter your travel dates to find the best prices.

6:05 am - 11:49 amDEN Denver Intl-PHL Philadelphia

3h 44mnonstop

8:37 pm - 11:04 pmPHL Philadelphia-DEN Denver Intl

4h 27mnonstop

$300Frontier

Wed, Aug 12 - Thu, Aug 20

6:05 am - 11:49 amDEN Denver Intl-PHL Philadelphia

3h 44mnonstop

8:37 pm - 11:04 pmPHL Philadelphia-DEN Denver Intl

4h 27mnonstop

$304Frontier

Wed, Aug 12 - Tue, Aug 18

10:29 am - 4:14 pmDEN Denver Intl-PHL Philadelphia

3h 45mnonstop

8:10 pm - 10:43 pmPHL Philadelphia-DEN Denver Intl

4h 33mnonstop

$343American Airlines

Thu, Aug 13 - Wed, Aug 19

3:02 pm - 11:40 pmDEN Denver Intl-PHL Philadelphia

6h 38m1 stop Charlotte Douglas

7:30 am - 9:39 amPHL Philadelphia-DEN Denver Intl

4h 09mnonstop

$353American Airlines

Thu, Aug 13 - Wed, Aug 19

6:01 pm - 11:44 pmDEN Denver Intl-PHL Philadelphia

3h 43mnonstop

10:05 am - 12:10 pmPHL Philadelphia-DEN Denver Intl

4h 05mnonstop

$459United Airlines

Tue, Aug 11 - Tue, Aug 18

8:35 am - 5:50 pmDEN Denver Intl-PHL Philadelphia

7h 15m1 stop Chicago O'Hare Intl

8:00 am - 10:05 amPHL Philadelphia-DEN Denver Intl

4h 05mnonstop

$465United Airlines

Tue, Aug 11 - Tue, Aug 18

6:00 am - 4:00 pmDEN Denver Intl-PHL Philadelphia

8h 00m2 stops Dallas Love Field Chicago Midway

5:10 pm - 7:10 pmPHL Philadelphia-DEN Denver Intl

4h 00mnonstop

$474Southwest

Tue, Aug 11 - Tue, Aug 18

10:00 am - 7:20 pmDEN Denver Intl-PHL Philadelphia

7h 20m1 stop Atlanta Hartsfield-Jackson

11:29 am - 5:04 pmPHL Philadelphia-DEN Denver Intl

7h 35m1 stop Minneapolis St Paul

$475Multiple Airlines

Thu, Aug 13 - Mon, Aug 17

8:25 am - 6:00 pmDEN Denver Intl-PHL Philadelphia

7h 35m1 stop Chicago Midway

10:45 am - 5:15 pmPHL Philadelphia-DEN Denver Intl

8h 30m2 stops Chicago Midway Nashville Intl

$484Southwest

Tue, Aug 11 - Wed, Aug 12

6:05 am - 11:49 amDEN Denver Intl-PHL Philadelphia

3h 44mnonstop

10:59 pm - 12:32 pmPHL Philadelphia-DEN Denver Intl

39h 33m3 stops San Juan Luis Munoz Marin Intl Fort Lauderdale Asheville Regional

$486Multiple Airlines

Wed, Aug 12 - Thu, Aug 13

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Frontier flights from Denver to Philadelphia

Our best Frontier deals on Denver to Philadelphia flight tickets

Frontier

Aug 27

DEN1:28 pmDenver Intl

5h 52m

1 stop

PHL9:20 pmPhiladelphia

Aug 31

PHL2:45 pmPhiladelphia

9h 25m

1 stop

DEN10:10 pmDenver Intl

$225

Frontier

Sep 26

DEN7:10 pmDenver Intl

10h 06m

1 stop

PHL7:16 amPhiladelphia

Oct 3

PHL12:40 pmPhiladelphia

10h 44m

1 stop

DEN9:24 pmDenver Intl

$226

Frontier

Sep 3

DEN11:59 pmDenver Intl

3h 40m

PHL5:39 amPhiladelphia

Sep 8

PHL8:30 amPhiladelphia

15h 35m

1 stop

DEN10:05 pmDenver Intl

$227

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Thu 8/27

1:28 pm-9:20 pm

1 stop5h 52m

Philadelphia

Mon 8/31

2:45 pm-10:10 pm

1 stop9h 25m

$225

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Thu 10/22

11:59 pm-9:10 am

1 stop7h 11m

Philadelphia

Fri 10/30

7:10 am-10:33 pm

1 stop17h 23m

$225

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Thu 9/10

8:00 am-5:20 pm

1 stop7h 20m

Philadelphia

Sun 9/13

5:32 pm-9:24 pm

1 stop29h 52m

$226

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Tue 10/13

6:30 am-6:15 pm

1 stop9h 45m

Philadelphia

Sun 10/18

12:55 pm-3:36 pm

1 stop28h 41m

$227

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Sun 9/6

8:00 am-1:43 pm

Nonstop3h 43m

Philadelphia

Fri 9/11

9:23 am-11:33 am

Nonstop4h 10m

$321

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Wed 9/9

8:30 am-2:11 pm

Nonstop3h 41m

Philadelphia

Fri 9/11

8:10 pm-10:24 pm

Nonstop4h 14m

$332

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Sat 9/5

10:05 am-3:48 pm

Nonstop3h 43m

Philadelphia

Sat 9/12

3:48 pm-5:55 pm

Nonstop4h 07m

$332

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Wed 9/9

1:45 pm-7:25 pm

Nonstop3h 40m

Philadelphia

Fri 9/11

8:00 am-10:05 am

Nonstop4h 05m

$332

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Wed 9/9

6:10 pm-11:55 pm

Nonstop3h 45m

Philadelphia

Fri 9/11

4:05 pm-6:05 pm

Nonstop4h 00m

$332

Quickest round-trip

DenverPhiladelphia

DEN Denver Intl - PHL Philadelphia

DENPHL

Denver Intl

Fri 9/11

6:00 pm-11:50 pm

Nonstop3h 50m

Philadelphia

Wed 9/16

12:35 pm-2:25 pm

Nonstop3h 50m

$332

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 $245 to $428.
The lowest price recently found on this route was $225.

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 September is another great option to travel to Philadelphia, with average flight prices from Denver averaging around $308.

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

The cheapest day to depart from Denver to Philadelphia is on a Friday. Travelers who choose to depart for Philadelphia on a Friday will often find tickets for as low as $383. 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 $553.

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 $290. 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 $474.

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 $353 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 $321 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 36% 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 August 2026, prices for Denver to Philadelphia flights are approximately 5% 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	$185
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 $185. The best round-trip flight deal from Denver to Philadelphia found on momondo in the last 72 hours is $311.

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 August 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 26.96% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 21.86%, Airbus A320neo at 10.31%, and Airbus A321-100/200 at 9.99%.
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 37% of all bookings. The subsequent popular airlines are American Airlines at 33%, United Airlines at 18%, and Southwest at 12%.

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 $118	Free Cancellation	Rating 5.6 2,719 reviews	Search Frontier flights
JetBlue	PriceFrom $122	Free Cancellation	Rating 7.1 3,030 reviews	Search JetBlue flights
Delta	PriceFrom $128	Free Cancellation	Rating 7.8 8,499 reviews	Search Delta flights
United Airlines	PriceFrom $201	Free Cancellation	Rating 7.4 10,089 reviews	Search United Airlines flights
American Airlines	PriceFrom $219	Free Cancellation	Rating 7.1 11,892 reviews	Search American Airlines flights
Southwest	PriceFrom $228	Free Cancellation	Rating 8.0 4,216 reviews	Search Southwest flights

Southwest Flights From Denver to Philadelphia
Southwest flight deals from Denver to Philadelphia start from $228 round-trip. Over the 12 Southwest flights for this route in a normal week, average airfare is usually $460 round-trip - but some users have found much cheaper deals with momondo.
United Airlines Flights From Denver to Philadelphia
$201 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 $504, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 10,089 user reviews) flies into Philadelphia from Denver 6 times in an average week so prices can vary.

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Vineland

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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.