Can I fly direct from Denver to Philadelphia?

Historically, direct flights from Denver to Philadelphia have accounted for approximately 33.2% of all available flights. For those flights that include stops, the median number of stopovers was typically 2. This indicates that while direct options are available, a significant portion of flights on this route involve connections.

How long does it take to fly from Denver to Philadelphia?

The typical direct flight from Denver to Philadelphia has a median duration of 3 hours and 39 minutes. This route covers an approximate distance of 2500 kilometers. Flights with one stop historically had a significantly longer median duration, averaging 9 hours and 1 minute.

Should I set a price alert for Denver to Philadelphia flights?

Historically, flights on the Denver to Philadelphia route are classified as frequent in terms of deal availability. This suggests that price fluctuations and deals are common for this route. Setting a price alert could be beneficial to capture potential savings as they arise.

Flights From Denver

To Philadelphia

Cheap Flights from Denver to Philadelphia

Browse current best options from Denver. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Denver

RatePunk searches hundreds of travel sites at once for deals on flights to Philadelphia

Prices updated today

462 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 15, 2026.)

Today’s best flight deals from Denver to Philadelphia

Explore current cheapest deals departing from Denver to Philadelphia

2026-10-10 – 2026-10-17
DEN - Philadelphia
83% AI deal score
$153
$89
Round trip
2026-10-10 – 2026-10-13
DEN - Philadelphia
83% AI deal score
$163
$89
Round trip
2026-10-17 – 2026-10-20
DEN - Philadelphia
76% AI deal score
$162
$119
Round trip
2026-10-24 – 2026-10-27
DEN - Philadelphia
85% AI deal score
$240
$124
Round trip
2026-10-16 – 2026-10-20
DEN - Philadelphia
71% AI deal score
$162
$125
Round trip
2026-10-17 – 2026-10-24
DEN - Philadelphia
83% AI deal score
$227
$129
Round trip
2026-11-03 – 2026-11-10
DEN - Philadelphia
83% AI deal score
$216
$129
Round trip
2026-10-20 – 2026-10-24
DEN - Philadelphia
70% AI deal score
$162
$131
Round trip
2026-10-17 – 2026-10-21
DEN - Philadelphia
70% AI deal score
$161
$131
Round trip
2026-10-27 – 2026-11-03
DEN - Philadelphia
82% AI deal score
$227
$135
Round trip

Denver to Philadelphia: Overview

Insights for flights from Denver to Philadelphia

For travelers seeking cheap flights from Denver to Philadelphia, April stands out as the most affordable month, with a median fare of just $81. Other cost-effective options include May, where the median fare is $143, and October, with a median fare of $169. These months offer significantly lower prices compared to the overall typical fare for this route.

Right now, fares for flights from Denver to Philadelphia typically range from $194 to $506, with a median price of $351. Current fares are above the typical level for this route. Only 8% of recent fares were classified as a good price, indicating that finding a particularly low fare might require some flexibility or advance planning. New deals appear almost daily, suggesting frequent opportunities to find better prices.

Most itineraries for flights from Denver to Philadelphia connect at least once, with only 33.2% of recent fares being direct flights. For connecting itineraries, the typical number of stopovers is 2. This means that if you fly from Denver to Philadelphia, you should expect a journey that includes at least one stop.

A typical journey from Denver to Philadelphia takes approximately 3h 39m, including connections. For non-stop flights, the median flight time is also 3h 39m. However, if your itinerary involves connections, the typical journey time extends significantly to 10h 33m, so it is important to factor in the additional travel time if you are not flying direct.

The route from Denver to Philadelphia covers a distance of 2500 km, classifying it as a medium-haul flight. This distance typically involves several hours in the air, making it a substantial journey between the two cities.

How much is a round trip from Denver to Philadelphia

Regular price: $127 - $336

Prices are currently below the regular range for flights from Denver to Philadelphia.

Regular prices for flights from Denver to Philadelphia typically range from $127 to $336. The current lowest deal is $89 with Frontier Airlines for travel from Oct 10-Oct 17.

now $89

Low $127

High $336

The cheapest time to fly from Denver to Philadelphia

The cheapest month to fly from Denver to Philadelphia is April, with a median price of $149. The most expensive month is February, with a median price of $525. Prices are generally lower from January to November.

April

Cheapest

Flights from $149

February

Most Expensive

Flights from $525

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Denver to Philadelphia

Frontier Airlines

Last-minute flights going from Denver to Philadelphia

Wed, Sep 16

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$479

$382

One-way

Thu, Sep 17

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$441

$389

One-way

Thu, Sep 17

⌛ Last-Minute

DEN - Philadelphia

Denver (DEN) - Philadelphia (PHL)

Frontier Airlines

$445

$423

One-way

Fri, Sep 18

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$542

$436

One-way

Sat, Sep 19

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$487

$376

One-way

Sat, Sep 19

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$411

$380

One-way

Biggest price drops on these dates for flights from Denver to Philadelphia

4 nights

Sep 16 - Sep 20

$531 → $378

29%

3 nights

Sep 18 - Sep 21

$535 → $396

26%

3 nights

Oct 24 - Oct 27

$240 → $125

48%

2 nights

Sep 19 - Sep 21

$487 → $378

22%

Popular Airports to fly from Denver to Philadelphia

Denver - Philadelphia route insights

💸 Price insights

Recent fares are above the typical level

Recent fares for Denver to Philadelphia are above the typical level at $89.

📅 Best time to fly

April, May, and October offer the lowest median prices

Historically, April ($81), May ($143), and October ($169) have offered the lowest median prices.

⏱️ Flight duration

Direct flights take 3h 39m

Direct flights from Denver to Philadelphia typically take 3h 39m, while connecting flights average 10h 33m.

✈️ Airlines & availability

Connecting flights are more common

Connecting flights are more common, making up 66.8% of recent routes from Denver to Philadelphia.

🏆 Airline highlight

Frontier Airlines offers direct flights

Frontier Airlines is one of the airlines offering direct flights on the Denver to Philadelphia route.

🎯 Booking tip

Deals appear frequently

Deals for flights from Denver to Philadelphia appear frequently, with good prices available 8% of the time.

Denver main airports to depart from

Denver International (DEN)

Cheapest

Denver International Airport is a key departure point for flights from Denver to Philadelphia.

📍 ~30 km from city center (reachable by car)

💸 Flights from ~$142

Philadelphia main airports to arrive at

Philadelphia International (PHL)

Cheapest

Philadelphia International Airport is a convenient arrival choice for flights to Philadelphia.

📍 ~11 km from city center (reachable by car)

💸 Flights from ~$123

Airports nearby Philadelphia used as alternative

Newark Liberty International (EWR)

Newark Liberty International offers a vast network of domestic and global destinations, often with competitive pricing and direct flight options.

📍 ~135 km from Philadelphia (reachable by rail)

💸 Flights from ~$205

Business & First Class Flight Deals to Philadelphia

Discover luxury on the budget with premium cabin class on flights from Denver to Philadelphia.

Elite

Best Elite deals to Philadelphia

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From DEN

Elite

Dec 12

Philadelphia, United States

87% AI deal score

$1,636

$871

Save $765

United Airlines

Business Class

From DEN

Elite

Oct 10

Philadelphia, United States

86% AI deal score

$1,558

$881

Save $677

United Airlines

Business Class

From DEN

Elite

Nov 11

Philadelphia, United States

85% AI deal score

$1,454

$871

Save $583

United Airlines

Business Class

From DEN

Elite

Dec 30

Philadelphia, United States

85% AI deal score

$1,647

$942

Save $705

United Airlines

Business Class

From DEN

Elite

Nov 27

Philadelphia, United States

84% AI deal score

$1,519

$941

Save $578

United Airlines

Business Class

From DEN

Elite

Oct 17

Philadelphia, United States

83% AI deal score

$1,260

$867

Save $393

United Airlines

Business Class

From DEN

Elite

Oct 28

Philadelphia, United States

83% AI deal score

$1,302

$871

Save $431

United Airlines

Business Class

From DEN

Elite

Oct 06

Philadelphia, United States

83% AI deal score

$1,255

$881

Save $374

United Airlines

Business Class

From DEN

Elite

Dec 31

Philadelphia, United States

83% AI deal score

$1,328

$885

Save $443

United Airlines

Business Class

From DEN

Elite

Dec 31

Philadelphia, United States

83% AI deal score

$1,315

$903

Save $412

United Airlines

Business Class

From DEN

Elite

Nov 02

Philadelphia, United States

83% AI deal score

$1,431

$937

Save $494

United Airlines

Business Class

From DEN

Elite

Dec 15

Philadelphia, United States

82% AI deal score

$1,310

$912

Save $398

United Airlines

Business Class

Frequently Asked Questions About Flights to Philadelphia

Historically, the optimal booking window for flights from Denver to Philadelphia is typically 14-27 days before departure. During this period, the average price observed was around $226. Booking within 0-6 days of departure historically saw average prices rise to $317, while booking 7-13 days out resulted in an average price of $491. Prices for bookings made 60+ days in advance were also higher, averaging $313.

Across the trailing quarter, a good price for a flight from Denver to Philadelphia is considered to be $194 or less. The median price for this route over the same period was $351. Prices exceeding $506 were historically observed in the higher quartile of fares.

Historically, the cheapest months to fly from Denver to Philadelphia include April, with a median price of $81, and May, with a median price of $143. October also showed a relatively low median price of $169. The annual median price for this route was $351, indicating that these months offer significant savings compared to the yearly average.

Related routes

More routes from Denver

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Flights to Philadelphia from other cities

Flights from Dallas to Philadelphia Flights from Detroit to Philadelphia Flights from Fort Lauderdale to Philadelphia Flights from Fort Myers to Philadelphia Flights from Houston to Philadelphia Flights from Indianapolis to Philadelphia Flights from Jacksonville to Philadelphia Flights from Kansas City to Philadelphia Flights from London to Philadelphia Flights from Los Angeles to Philadelphia Flights from Madrid to Philadelphia Flights from Miami to Philadelphia

Denver to Philadelphia: Overview

Insights for flights from Denver to Philadelphia

How much is a round trip from Denver to Philadelphia

Regular price: $127 - $336

Prices are currently below the regular range for flights from Denver to Philadelphia.

Regular prices for flights from Denver to Philadelphia typically range from $127 to $336. The current lowest deal is $89 with Frontier Airlines for travel from Oct 10-Oct 17.

now $89

Low $127

High $336

The cheapest time to fly from Denver to Philadelphia

April

Cheapest

Flights from $149

February

Most Expensive

Flights from $525

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Denver to Philadelphia

Frontier Airlines

Last-minute flights going from Denver to Philadelphia

Wed, Sep 16

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$479

$382

One-way

Thu, Sep 17

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$441

$389

One-way

Thu, Sep 17

⌛ Last-Minute

DEN - Philadelphia

Denver (DEN) - Philadelphia (PHL)

Frontier Airlines

$445

$423

One-way

Fri, Sep 18

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$542

$436

One-way

Sat, Sep 19

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$487

$376

One-way

Sat, Sep 19

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$411

$380

One-way

Biggest price drops on these dates for flights from Denver to Philadelphia

4 nights

Sep 16 - Sep 20

$531 → $378

29%

3 nights

Sep 18 - Sep 21

$535 → $396

26%

3 nights

Oct 24 - Oct 27

$240 → $125

48%

2 nights

Sep 19 - Sep 21

$487 → $378

22%

Popular Airports to fly from Denver to Philadelphia

Denver - Philadelphia route insights

💸 Price insights

Recent fares are above the typical level

Recent fares for Denver to Philadelphia are above the typical level at $89.

📅 Best time to fly

April, May, and October offer the lowest median prices

Historically, April ($81), May ($143), and October ($169) have offered the lowest median prices.

⏱️ Flight duration

Direct flights take 3h 39m

Direct flights from Denver to Philadelphia typically take 3h 39m, while connecting flights average 10h 33m.

✈️ Airlines & availability

Connecting flights are more common

Connecting flights are more common, making up 66.8% of recent routes from Denver to Philadelphia.

🏆 Airline highlight

Frontier Airlines offers direct flights

Frontier Airlines is one of the airlines offering direct flights on the Denver to Philadelphia route.

🎯 Booking tip

Deals appear frequently

Deals for flights from Denver to Philadelphia appear frequently, with good prices available 8% of the time.

Denver main airports to depart from

Denver International (DEN)

Cheapest

Denver International Airport is a key departure point for flights from Denver to Philadelphia.

📍 ~30 km from city center (reachable by car)

💸 Flights from ~$142

Philadelphia main airports to arrive at

Philadelphia International (PHL)

Cheapest

Philadelphia International Airport is a convenient arrival choice for flights to Philadelphia.

📍 ~11 km from city center (reachable by car)

💸 Flights from ~$123

Airports nearby Philadelphia used as alternative

Newark Liberty International (EWR)

Newark Liberty International offers a vast network of domestic and global destinations, often with competitive pricing and direct flight options.

Philadelphia, United States

82% AI deal score

$1,310

$912

Save $398

United Airlines

Business Class

Frequently Asked Questions About Flights to Philadelphia

Cheap Flights from Denver to Philadelphia

Today’s best flight deals from Denver to Philadelphia

Denver to Philadelphia: Overview

Insights for flights from Denver to Philadelphia

How much is a round trip from Denver to Philadelphia

The cheapest time to fly from Denver to Philadelphia

Direct flights from Denver to Philadelphia

Last-minute flights going from Denver to Philadelphia

Biggest price drops on these dates for flights from Denver to Philadelphia

Popular Airports to fly from Denver to Philadelphia

Denver - Philadelphia route insights

Recent fares are above the typical level

April, May, and October offer the lowest median prices

Direct flights take 3h 39m

Connecting flights are more common

Frontier Airlines offers direct flights

Deals appear frequently

Denver main airports to depart from

Philadelphia main airports to arrive at

Airports nearby Philadelphia used as alternative

Business & First Class Flight Deals to Philadelphia

Best Elite deals to Philadelphia

Dec 12

Oct 10

Nov 11

Dec 30

Nov 27

Oct 17

Oct 28

Oct 06

Dec 31

Dec 31

Nov 02

Dec 15

Frequently Asked Questions About Flights to Philadelphia

When is the best time to book flights from Denver to Philadelphia?

What is a good price for a flight from Denver to Philadelphia?

When is the cheapest time of year to fly from Denver to Philadelphia?

Can I fly direct from Denver to Philadelphia?

How long does it take to fly from Denver to Philadelphia?

Should I set a price alert for Denver to Philadelphia flights?

Related routes

More routes from Denver

Flights to Philadelphia from other cities

Denver to Philadelphia: Overview

Insights for flights from Denver to Philadelphia

How much is a round trip from Denver to Philadelphia

The cheapest time to fly from Denver to Philadelphia

Direct flights from Denver to Philadelphia

Last-minute flights going from Denver to Philadelphia

Biggest price drops on these dates for flights from Denver to Philadelphia

Popular Airports to fly from Denver to Philadelphia

Denver - Philadelphia route insights

Recent fares are above the typical level

April, May, and October offer the lowest median prices

Direct flights take 3h 39m

Connecting flights are more common

Frontier Airlines offers direct flights

Deals appear frequently

Denver main airports to depart from

Philadelphia main airports to arrive at

Airports nearby Philadelphia used as alternative

Business & First Class Flight Deals to Philadelphia

Best Elite deals to Philadelphia

Dec 12

Oct 10

Nov 11

Dec 30

Nov 27

Oct 17

Oct 28

Oct 06

Dec 31

Dec 31

Nov 02

Dec 15

Frequently Asked Questions About Flights to Philadelphia

When is the best time to book flights from Denver to Philadelphia?

What is a good price for a flight from Denver to Philadelphia?

When is the cheapest time of year to fly from Denver to Philadelphia?