How popular is this Denver to Philadelphia flight route?

Flights from Denver Intl to Philadelphia have been viewed 71 times in the past calendar month.

How long is the flight from Denver to Philadelphia?

Airlines like United Airlines and Frontier fly from Denver to Philadelphia in about 3h 32m. The time it takes to get you to your destination is usually consistent. The distance from Denver to Philadelphia is about 1553 mi. Generally, flights for this route are nonstop.

What are the cheapest airlines flying from Denver to Philadelphia round-trip?

Currently priced at $112, Frontier will fly you from Denver to Philadelphia and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from JetBlue and Delta - these airlines can fly you to your destination from $122 and $128, respectively. Users have found that Frontier is 64% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Denver to Philadelphia one-way?

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $66. Users have also found prices from $91 and $92 on American Airlines and Southwest, respectively.

Weekly flight availability from Denver to Philadelphia

The most flights from DEN to PHL are scheduled on a Thursday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

What are the cheapest flights from Denver to Philadelphia?

The cheapest flight price from Denver to Philadelphia is $64. On average you can expect to pay $1,185. The most popular route, (Denver Intl - Philadelphia), can usually be booked for $126.

What are the most reliable airlines from Denver to Philadelphia?

No one likes to see their flight delayed. When booking a flight from Denver to Philadelphia consider choosing Aer Lingus (92%), American Airlines (86%) or Frontier (85%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Denver to Philadelphia?

The most popular airlines flying from Denver to Philadelphia are Frontier, American Airlines and Southwest. Something to consider prior to booking your flight.

Most accurate provider : When it comes to deals on Denver-Philadelphia flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Denver-Philadelphia flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Denver-Philadelphia flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Denver-Philadelphia flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airports do I use to fly from Denver to Philadelphia?

If you book a flight from Denver to Philadelphia, you will be flying from Denver Intl to Philadelphia. Flights to Philadelphia (PHL) from Denver Intl (DEN) take 3h 21m for a nonstop flight. There are 7 flights from Denver Intl to Philadelphia per day from 6 airlines.

Can I find deals for flights from Denver to Philadelphia that include hotel bookings?

Yes. In addition to deals on Denver to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Denver to Philadelphia?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Philadelphia.

Can I find deals for business class flights from Denver to Philadelphia?

Yes. Cheapflights offers flight deals from Denver to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$80+ Flights from Denver to Philadelphia

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Find cheap flights from Denver to Philadelphia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Denver Intl to Philadelphia are usually found in September or August, booked 63 days in advance, depart on a Thursday or Wednesday and return on a Friday

Cheap flight deals from Denver to Philadelphia

Cheapest flights from Denver to Philadelphia
Explore the most affordable flight options available from Denver to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

Fri 12/1211:35 amDEN - PHL

1 stop28h 40mFrontier

Mon 12/158:36 pmPHL - DEN

Nonstop4h 23mFrontier

Deal found 12/2

$156

Wed 12/1012:59 amDEN - PHL

1 stop8h 19mFrontier

Mon 12/158:36 pmPHL - DEN

Nonstop4h 23mFrontier

Deal found 12/2

$169

Tue 12/912:59 amDEN - PHL

1 stop6h 48mFrontier

Tue 1/66:59 pmPHL - DEN

1 stop16h 51mFrontier

Deal found 12/3

$170

Sun 12/146:00 amDEN - PHL

2 stops40h 36mFrontier

Sat 1/103:53 pmPHL - DEN

1 stop9h 06mFrontier

Deal found 12/2

$173

Mon 12/1511:59 pmDEN - PHL

Nonstop3h 32mFrontier

Mon 1/195:42 pmPHL - DEN

Nonstop4h 30mFrontier

Deal found 12/2

$174

Thu 12/1811:59 pmDEN - PHL

Nonstop3h 32mFrontier

Mon 1/121:05 pmPHL - DEN

Nonstop4h 22mFrontier

Deal found 12/2

$175

Thu 12/2511:59 pmDEN - PHL

Nonstop3h 32mFrontier

Mon 1/58:36 pmPHL - DEN

Nonstop4h 23mFrontier

Deal found 12/2

$178

Mon 12/296:05 amDEN - PHL

1 stop16h 21mFrontier

Tue 1/66:59 pmPHL - DEN

1 stop16h 51mFrontier

Deal found 12/3

$179

Wed 12/317:00 amDEN - PHL

1 stop14h 43mFrontier

Tue 1/66:59 pmPHL - DEN

1 stop16h 51mFrontier

Deal found 12/3

$180

Mon 12/1511:59 pmDEN - PHL

Nonstop3h 32mFrontier

Tue 12/168:00 amPHL - DEN

1 stop14h 13mFrontier

Deal found 12/2

$182

Best flights from Denver to Philadelphia
Discover carefully curated flight deals from Denver to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 4, 2025.

Mon 1/125:55 pmDEN - PHL

Nonstop3h 35mUnited Airlines

Fri 1/233:43 pmPHL - DEN

Nonstop4h 29mUnited Airlines

Deal found 12/1

$154

Fri 3/611:59 pmDEN - PHL

Nonstop3h 32mFrontier

Mon 3/910:00 amPHL - DEN

1 stop9h 33mFrontier

Deal found 12/3

$182

Tue 3/1710:44 pmDEN - PHL

1 stop7h 05mJetBlue

Thu 3/196:00 amPHL - DEN

1 stop8h 22mJetBlue

Deal found 12/3

$221

Sun 1/116:00 amDEN - PHL

1 stop7h 53mDelta

Wed 1/1411:27 amPHL - DEN

1 stop7h 17mDelta

Deal found 12/3

$237

Sat 1/175:55 pmDEN - PHL

Nonstop3h 35mUnited Airlines

Mon 1/193:43 pmPHL - DEN

Nonstop4h 29mUnited Airlines

Deal found 12/3

$199

Fri 1/165:55 pmDEN - PHL

Nonstop3h 35mUnited Airlines

Tue 1/208:09 amPHL - DEN

Nonstop4h 26mUnited Airlines

Deal found 12/3

$200

Tue 12/2310:40 pmDEN - PHL

1 stop7h 15mJetBlue

Wed 12/318:40 amPHL - DEN

1 stop10h 12mJetBlue

Deal found 12/2

$221

Fri 1/163:07 pmDEN - PHL

1 stop6h 06mDelta

Sun 1/186:00 amPHL - DEN

1 stop6h 24mDelta

Deal found 12/2

$237

Fri 2/65:55 pmDEN - PHL

Nonstop3h 35mUnited Airlines

Sun 2/88:09 amPHL - DEN

Nonstop4h 26mUnited Airlines

Deal found 12/2

$209

Thu 1/157:50 amDEN - PHL

1 stop7h 44mUnited Airlines

Sun 1/188:09 amPHL - DEN

Nonstop4h 26mUnited Airlines

Deal found 12/3

$222

Fri 1/166:00 amDEN - PHL

1 stop6h 31mUnited Airlines

Mon 1/195:50 pmPHL - DEN

1 stop7h 51mUnited Airlines

Deal found 12/3

$232

Last-minute flights from Denver to Philadelphia
Discover last-minute flight deals from Denver to Philadelphia. Data last updated December 4, 2025 and is based on user searches.

Tue 1/65:55 pmDEN - PHL

Nonstop3h 35mUnited Airlines

Wed 1/76:30 amPHL - DEN

1 stop6h 05mUnited Airlines

Deal found 12/2

$161

Thu 1/83:02 pmDEN - PHL

1 stop18h 30mFrontier

Fri 1/1612:30 pmPHL - DEN

1 stop11h 09mFrontier

Deal found 12/2

$153

Thu 1/86:00 amDEN - PHL

1 stop10h 44mFrontier

Mon 1/121:05 pmPHL - DEN

Nonstop4h 22mFrontier

Deal found 12/2

$156

Fri 1/96:10 amDEN - PHL

Nonstop3h 36mFrontier

Thu 1/154:45 pmPHL - DEN

2 stops18h 16mFrontier

Deal found 12/2

$155

Mon 1/125:55 pmDEN - PHL

Nonstop3h 35mUnited Airlines

Fri 1/233:43 pmPHL - DEN

Nonstop4h 29mUnited Airlines

Deal found 12/1

$154

Wed 1/1411:29 pmDEN - PHL

1 stop9h 27mFrontier

Sun 1/186:45 amPHL - DEN

1 stop16h 54mFrontier

Deal found 12/2

$158

Thu 1/155:41 pmDEN - PHL

1 stop27h 09mFrontier

Mon 1/195:50 pmPHL - DEN

2 stops20h 29mFrontier

Deal found 12/2

$162

Fri 1/1611:00 amDEN - PHL

Nonstop3h 32mFrontier

Sun 1/188:34 pmPHL - DEN

2 stops27h 07mFrontier

Deal found 12/3

$160

Fri 1/1611:00 amDEN - PHL

Nonstop3h 32mFrontier

Fri 1/238:00 amPHL - DEN

2 stops17h 29mFrontier

Deal found 12/1

$163

Thu 1/226:00 amDEN - PHL

Nonstop3h 35mAmerican Airlines

Thu 1/296:42 pmPHL - DEN

Nonstop4h 29mAmerican Airlines

Deal found 12/2

$164

Thu 1/226:00 amDEN - PHL

1 stop10h 11mFrontier

Thu 1/295:30 amPHL - DEN

1 stop8h 49mFrontier

Deal found 12/3

$165

Thu 1/292:57 pmDEN - PHL

1 stop27h 02mFrontier

Sun 3/15:30 amPHL - DEN

1 stop18h 08mFrontier

Deal found 12/1

$157

One-way flights from Denver to Philadelphia
Search for one-way flight options from Denver to Philadelphia. Find affordable one-way fares based on user searches. Data last updated December 4, 2025.

Fri 2/206:00 amDEN - PHL

1 stop15h 57mFrontier

Deal found 12/2

$80

Sat 2/76:00 amDEN - PHL

1 stop11h 13mFrontier

Deal found 12/2

$81

Wed 2/2511:25 pmDEN - PHL

1 stop17h 27mFrontier

Deal found 12/2

$82

Tue 1/1312:05 amDEN - PHL

2 stops33h 53mFrontier

Deal found 12/4

$83

Mon 1/1212:05 amDEN - PHL

2 stops17h 30mFrontier

Deal found 12/2

$84

Tue 12/1612:59 amDEN - PHL

1 stop7h 51mFrontier

Deal found 12/2

$85

Wed 2/188:50 pmDEN - PHL

2 stops36h 54mFrontier

Deal found 12/2

$86

Tue 3/35:57 pmDEN - PHL

Nonstop3h 35mUnited Airlines

Deal found 12/2

$88

Wed 2/47:59 pmDEN - PHL

2 stops19h 54mFrontier

Deal found 12/2

$89

Tue 2/37:28 pmDEN - PHL

2 stops18h 12mMultiple Airlines

Deal found 12/2

$90

Mon 3/96:05 amDEN - PHL

1 stop6h 42mFrontier

Deal found 12/2

$91

Find flight deals from Denver to Philadelphia

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$153 (Kiwi.com)
One-way from	$80 (Kiwi.com)
Popular in	December
Cheapest in	September
Average price	$397
Good round-trip deal	$250 or less
Good one-way deal	$132 or less

Provider with most accurate pricing for Denver Intl-Philadelphia flight deals.

Search Deals

Provider most trusted by Cheapflights users for Denver Intl-Philadelphia flights.

Search Deals

From Denver Intl to Philadelphia

Search Deals

One-way flight from Denver Intl to Philadelphia

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($44 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Denver Intl to Philadelphia.

Search Deals

Price to beat on a one-way flight from Denver Intl to Philadelphia.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Denver to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Mon 1/12

5:55 pm-11:30 pm

Nonstop3h 35m

Philadelphia

Fri 1/23

3:43 pm-6:12 pm

Nonstop4h 29m

$154

DenverPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Fri 3/6

11:59 pm-5:31 am

Nonstop3h 32m

Philadelphia

Mon 3/9

10:00 am-5:33 pm

1 stop9h 33m

$182

DenverPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Sat 1/17

5:55 pm-11:30 pm

Nonstop3h 35m

Philadelphia

Mon 1/19

3:43 pm-6:12 pm

Nonstop4h 29m

$199

DenverPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Fri 1/16

5:55 pm-11:30 pm

Nonstop3h 35m

Philadelphia

Tue 1/20

8:09 am-10:35 am

Nonstop4h 26m

$200

DenverPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Fri 2/6

5:55 pm-11:30 pm

Nonstop3h 35m

Philadelphia

Sun 2/8

8:09 am-10:35 am

Nonstop4h 26m

$209

DenverPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Tue 3/17

10:44 pm-7:49 am

1 stop7h 05m

Philadelphia

Thu 3/19

6:00 am-12:22 pm

1 stop8h 22m

$221

DenverPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Tue 12/23

10:40 pm-7:55 am

1 stop7h 15m

Philadelphia

Wed 12/31

8:40 am-4:52 pm

1 stop10h 12m

$221

DenverPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Thu 1/15

7:50 am-5:34 pm

1 stop7h 44m

Philadelphia

Sun 1/18

8:09 am-10:35 am

Nonstop4h 26m

$222

DenverPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Fri 1/16

6:00 am-2:31 pm

1 stop6h 31m

Philadelphia

Mon 1/19

5:50 pm-11:41 pm

1 stop7h 51m

$232

DenverPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Sun 1/11

6:00 am-3:53 pm

1 stop7h 53m

Philadelphia

Wed 1/14

11:27 am-4:44 pm

1 stop7h 17m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 22 results

Compare providers for flights from Denver to Philadelphia

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Philadelphia in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*1 star
CheapOair	Price Accuracy3 stars	Trust Score*3 stars
Mytrip	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Denver-Philadelphia flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Denver-Philadelphia flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Denver-Philadelphia flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Denver-Philadelphia flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Denver to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Denver with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Denver to Philadelphia

Prices

Airlines

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

To ensure you get the cheapest price possible for a flight from Denver to Philadelphia, you should look to book at least 63 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Denver to Philadelphia?

Currently, October is the cheapest month in which you can book a flight from Denver to Philadelphia (average of $65). Flying from Denver to Philadelphia in June is currently the most expensive (average of $149). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEN to PHL?

It’s typically best to fly out from Denver to Philadelphia in the afternoon. Doing so could potentially save you 48% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Denver to Philadelphia?

Travelers seeking maximum savings on their Denver to Philadelphia flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Denver to Philadelphia flights

Cheapflights partnered with top experts to bring you the best recommendations for your Denver to Philadelphia trip

Airports

DEN

For a quick security experience at DEN, reserve a time online for general screening. It's available for all travelers, not just TSA PreCheck users.

PHL

Use SEPTA's Airport Line for a quick trip to Center City Philadelphia. Stations are conveniently located outside Terminals A, B, C/D, and E/F.

Our travel experts

Mark Chesnut

Expert on PHL

Emily Zemler

Expert on DEN

Reviews of airlines servicing Philadelphia

Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Denver to Philadelphia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

8.0

Very good

4,250 reviews

Southwest

8.0

Very good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Delta

7.9

Good

8,011 reviews

Southwest

8.0

Very good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

United Airlines

7.4

Good

9,066 reviews

Southwest

8.0

Very good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,047 reviews

Southwest

8.0

Very good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Frontier

5.8

Fair

3,091 reviews

Southwest

8.0

Very good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

What airports do I use to fly from Denver to Philadelphia?
If you book a flight from Denver to Philadelphia, you will be flying from Denver Intl to Philadelphia. Flights to Philadelphia (PHL) from Denver Intl (DEN) take 3h 21m for a nonstop flight. There are 7 flights from Denver Intl to Philadelphia per day from 6 airlines.
How popular is this Denver to Philadelphia flight route?
Flights from Denver Intl to Philadelphia have been viewed 71 times in the past calendar month.
How long is the flight from Denver to Philadelphia?
Airlines like United Airlines and Frontier fly from Denver to Philadelphia in about 3h 32m. The time it takes to get you to your destination is usually consistent. The distance from Denver to Philadelphia is about 1553 mi. Generally, flights for this route are nonstop.
What are the cheapest airlines flying from Denver to Philadelphia round-trip?
Currently priced at $112, Frontier will fly you from Denver to Philadelphia and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from JetBlue and Delta - these airlines can fly you to your destination from $122 and $128, respectively. Users have found that Frontier is 64% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Denver to Philadelphia one-way?
For one-way options, check prices for Frontier. According to our data, you can fly for as low as $66. Users have also found prices from $91 and $92 on American Airlines and Southwest, respectively.
What are the most reliable airlines from Denver to Philadelphia?
No one likes to see their flight delayed. When booking a flight from Denver to Philadelphia consider choosing Aer Lingus (92%), American Airlines (86%) or Frontier (85%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Denver to Philadelphia?
The cheapest flight price from Denver to Philadelphia is $64. On average you can expect to pay $1,185. The most popular route, (Denver Intl - Philadelphia), can usually be booked for $126.
Can I find deals for flights from Denver to Philadelphia that include hotel bookings?
Yes. In addition to deals on Denver to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Denver to Philadelphia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Philadelphia.
Can I find deals for business class flights from Denver to Philadelphia?
Yes. Cheapflights offers flight deals from Denver to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Denver to Philadelphia?
Currently, October is the cheapest month in which you can book a flight from Denver to Philadelphia (average of $65). Flying from Denver to Philadelphia in June is currently the most expensive (average of $149). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 6 airlines flying from Denver to Philadelphia

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$121	Average$237	FlexibilityNo cancel fee	On-time62%
JetBlue	Cheapest$122	Average$261	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$128	Average$295	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$184	Average$424	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$203	Average$334	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$205	Average$372	FlexibilityNo cancel fee	On-time63%

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$80+ Cheap flights from Denver to Philadelphia (DEN - PHL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Denver to Philadelphia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Denver Intl to Philadelphia are usually found in September or August, booked 63 days in advance, depart on a Thursday or Wednesday and return on a Friday

Cheap flight deals from Denver to Philadelphia

Cheapest flights from Denver to PhiladelphiaExplore the most affordable flight options available from Denver to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

Explore the most affordable flight options available from Denver to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

Find flight deals from Denver to Philadelphia

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from Denver to Philadelphia that are best for you.

Compare providers for flights from Denver to Philadelphia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Philadelphia in December.

Best time to book a flight from Denver to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Denver with our price prediction graph.

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Everything you need to know about your flight from Denver to Philadelphia

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Weekly flight availability from Denver to Philadelphia

The best insider tips for Denver to Philadelphia flights

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Airports

DEN

PHL

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Reviews of airlines servicing Philadelphia

Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Denver to Philadelphia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Denver to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airports do I use to fly from Denver to Philadelphia?

How popular is this Denver to Philadelphia flight route?

How long is the flight from Denver to Philadelphia?

What are the cheapest airlines flying from Denver to Philadelphia round-trip?

What are the cheapest airlines to fly from Denver to Philadelphia one-way?

What are the most reliable airlines from Denver to Philadelphia?

What are the cheapest flights from Denver to Philadelphia?

Can I find deals for flights from Denver to Philadelphia that include hotel bookings?

How can I find direct flights from Denver to Philadelphia?

Can I find deals for business class flights from Denver to Philadelphia?

What is the cheapest month to book a flight from Denver to Philadelphia?

Traveling to a place near Philadelphia?

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Alternative routes for Denver to Philadelphia

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Top 6 airlines flying from Denver to Philadelphia

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Cheapest flights from Denver to Philadelphia
Explore the most affordable flight options available from Denver to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.