Can I fly direct from Denver to Philadelphia?

Historically, approximately 33.2% of flights from Denver to Philadelphia have been direct. This indicates that a significant portion of routes involve at least one stopover. For flights that do include connections, the median number of stopovers observed across the trailing 90 days was 2. Travelers prioritizing direct routes should be aware that they represent about one-third of the available options.

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. For flights with one stop, the median travel time is significantly longer, typically around 9 hours and 1 minute. Travelers should factor in these differences when planning their journey.

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 promotional offers occur regularly. Setting a price alert can be beneficial for travelers seeking to secure a favorable fare, as opportunities for good deals arise with consistency across the trailing 30 days.

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 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from Denver to Philadelphia

Explore current cheapest deals departing from Denver to Philadelphia

2026-08-19 – 2026-08-25
DEN - Philadelphia
81% AI deal score
$264
$125
Round trip
2026-09-05 – 2026-09-11
DEN - Philadelphia
84% AI deal score
$239
$130
Round trip
2026-10-21 – 2026-10-26
DEN - Philadelphia
84% AI deal score
$242
$130
Round trip
2026-10-08 – 2026-10-13
DEN - Philadelphia
84% AI deal score
$239
$131
Round trip
2026-10-28 – 2026-10-31
DEN - Philadelphia
84% AI deal score
$247
$131
Round trip
2026-10-27 – 2026-10-31
DEN - Philadelphia
84% AI deal score
$247
$132
Round trip
2026-10-23 – 2026-10-26
DEN - Philadelphia
84% AI deal score
$244
$134
Round trip
2026-10-24 – 2026-10-26
DEN - Philadelphia
82% AI deal score
$245
$143
Round trip
2026-08-22 – 2026-08-25
DEN - Philadelphia
84% AI deal score
$281
$146
Round trip
2026-10-05 – 2026-10-09
DEN - Philadelphia
82% AI deal score
$241
$147
Round trip

Denver to Philadelphia: Overview

Insights for flights from Denver to Philadelphia

For cheap flights from Denver to Philadelphia, the data indicates that April is typically 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. Planning your trip during these months could lead to significant savings.

Fares for the Denver to Philadelphia route typically range from $194–$506, with a median price of $351. Right now, current fares are above the typical level for this route. Only about 8% of recent fares were classified as a good price, suggesting that finding a deal requires careful timing. New deals appear almost daily, so setting up a price alert could be beneficial.

When flying from Denver to Philadelphia, most itineraries connect at least once, with only 33.2% of recent fares being direct flights from Denver to Philadelphia. For connecting itineraries, the typical number of stopovers is 2, which can significantly extend travel time.

A typical journey from Denver to Philadelphia takes approximately 3h 39m, including connections. For itineraries that involve connecting flights, the median travel time extends to 10h 33m. Non-stop flights, when available, also have a median duration of 3h 39m.

The distance between Denver and Philadelphia is 2500 km, classifying this as a medium-haul route. This distance means you can expect a substantial flight duration, especially when accounting for potential connections.

How much is a round trip from Denver to Philadelphia

Regular price: $210 - $329

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

The regular price range for flights from Denver to Philadelphia is between $210 and $329. The current lowest deal is $115 with Frontier Airlines, for travel from Sep 25-Sep 28.

now $115

Low $210

High $329

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

Sat, Jul 25

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$506

$326

One-way

Sun, Jul 26

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$506

$351

One-way

Sun, Jul 26

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$511

$351

One-way

Sat, Aug 8

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$391

$260

One-way

Sun, Aug 9

⌛ Last-Minute

DEN - Philadelphia

Denver (DEN) - Philadelphia (PHL)

Frontier Airlines

$306

$201

One-way

Tue, Aug 11

⌛ Last-Minute

DEN - Philadelphia

Denver (DEN) - Philadelphia (PHL)

JetBlue Airways

$265

$218

One-way

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

3 nights

Jul 25 - Jul 28

$506 → $326

36%

2 nights

Jul 26 - Jul 28

$511 → $351

31%

3 nights

Jul 26 - Jul 29

$506 → $351

31%

3 nights

Sep 25 - Sep 28

$257 → $115

55%

Popular Airports to fly from Denver to Philadelphia

Denver - Philadelphia route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from Denver to Philadelphia are above the typical level for the route.

📅 Best time to fly

April is historically the cheapest month to fly

Historically, April is the cheapest month to fly from Denver to Philadelphia, with a median price of $149.

⏱️ 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 flights from Denver to Philadelphia.

🏆 Airline highlight

Frontier Airlines offers direct flights

Frontier Airlines is one airline that offers direct flights from Denver to Philadelphia.

🎯 Booking tip

Deals are frequent on this route

Deals for flights from Denver to Philadelphia are frequent, appearing often in the last 30 days.

Denver main airports to depart from

Denver International (DEN)

Cheapest

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

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

💸 Flights from ~$96

Philadelphia main airports to arrive at

Philadelphia International (PHL)

Cheapest

Philadelphia International is a convenient arrival airport for flights from Denver to Philadelphia.

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

💸 Flights from ~$96

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 ~$223

Business & First Class Flight Deals to Philadelphia

81% AI deal score

$1,296

$941

Save $355

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 for a flight has been observed to be around $226. Booking within 0-6 days of departure, however, tends to result in higher prices, averaging $317. Similarly, booking 7-13 days out shows an average price of $491, indicating that last-minute bookings can be significantly more expensive.

Across the trailing quarter, a good price for a flight from Denver to Philadelphia has historically been around $194. Prices at this level are considered to be in the lowest 25% of all observed fares. The median price for this route over the same period was $351, while prices in the upper quartile reached $506 or more. Travelers aiming for a good deal should target fares at or below the $194 mark.

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 offers competitive fares, with a median price of $169. These months typically present prices significantly lower than the annual median price of $351 for this route. Travelers looking for the most economical options should consider these periods.

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: $210 - $329

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

The regular price range for flights from Denver to Philadelphia is between $210 and $329. The current lowest deal is $115 with Frontier Airlines, for travel from Sep 25-Sep 28.

now $115

Low $210

High $329

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

Sat, Jul 25

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$506

$326

One-way

Sun, Jul 26

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$506

$351

One-way

Sun, Jul 26

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$511

$351

One-way

Sat, Aug 8

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$391

$260

One-way

Sun, Aug 9

⌛ Last-Minute

DEN - Philadelphia

Denver (DEN) - Philadelphia (PHL)

Frontier Airlines

$306

$201

One-way

Tue, Aug 11

⌛ Last-Minute

DEN - Philadelphia

Denver (DEN) - Philadelphia (PHL)

JetBlue Airways

$265

$218

One-way

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

3 nights

Jul 25 - Jul 28

$506 → $326

36%

2 nights

Jul 26 - Jul 28

$511 → $351

31%

3 nights

Jul 26 - Jul 29

$506 → $351

31%

3 nights

Sep 25 - Sep 28

$257 → $115

55%

Popular Airports to fly from Denver to Philadelphia