Can I fly direct from Denver to Philadelphia?

Yes, direct flights from Denver to Philadelphia are available. Historically, approximately 33.2% of all flights on this route have been direct. For journeys involving connections, travelers typically experienced two stopovers. This indicates that while direct options exist, a significant portion of flights include at least one stop.

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

A direct flight from Denver to Philadelphia typically takes approximately 3 hours and 39 minutes, covering a distance of 2500 kilometers. Flights with one stop, on average, have a median duration of 9 hours and 1 minute. This represents a significant difference in travel time, with direct flights being considerably faster.

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

Historically, flights from Denver to Philadelphia are frequently discounted. This route is classified as one where deals appear often. Setting a price alert can be beneficial to capture these frequent price drops as they occur.

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

444 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Aug 9, 2026.)

Today’s best flight deals from Denver to Philadelphia

Explore current cheapest deals departing from Denver to Philadelphia

2026-10-22 – 2026-10-23
DEN - Philadelphia
76% AI deal score
$241
$184
Round trip
2026-10-23 – 2026-10-26
DEN - Philadelphia
76% AI deal score
$241
$184
Round trip
2026-10-02 – 2026-10-05
DEN - Philadelphia
76% AI deal score
$241
$185
Round trip
2026-11-06 – 2026-11-09
DEN - Philadelphia
71% AI deal score
$233
$186
Round trip
2026-09-11 – 2026-09-12
DEN - Philadelphia
77% AI deal score
$255
$187
Round trip
2026-10-19 – 2026-10-23
DEN - Philadelphia
76% AI deal score
$241
$187
Round trip
2026-10-23 – 2026-10-30
DEN - Philadelphia
71% AI deal score
$232
$187
Round trip
2026-10-16 – 2026-10-19
DEN - Philadelphia
48% AI deal score
$167
$187
Round trip
2026-10-21 – 2026-10-26
DEN - Philadelphia
48% AI deal score
$166
$187
Round trip
2026-09-21 – 2026-09-26
DEN - Philadelphia
76% AI deal score
$248
$188
Round trip

Denver to Philadelphia: Overview

Insights for flights from Denver to Philadelphia

For cheap flights from Denver to Philadelphia, the data shows that April is typically the most affordable month, with a median fare of just $81. Other cost-effective options include May, with a median fare of $143, and October, where the median fare is around $169. These months present the best opportunities for travelers to find lower prices.

Fares for flights from Denver to Philadelphia typically range from $194–$506, with a median of $351. Right now, 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 can be challenging, though new deals appear almost daily.

When considering flights from Denver to Philadelphia, most itineraries connect at least once, with only 33.2% of recent fares being non-stop. For connecting flights, the typical number of stopovers is 2. This means you should generally expect your journey to include at least one layover.

A typical journey from Denver to Philadelphia takes about 3h 39m for direct flights. However, since most itineraries involve connections, a typical journey including connections extends to approximately 10h 33m. This duration accounts for the layovers and transfers involved in connecting routes.

The distance between Denver and Philadelphia is approximately 2500 kilometers. This classifies the route as a medium-haul flight, meaning it falls within the typical range for domestic travel that often involves a few hours in the air.

How much is a round trip from Denver to Philadelphia

Regular price: $232 - $367

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 $232 and $367. Currently, the lowest deal is $181 with Frontier Airlines for travel from Aug 28-Aug 31.

now $181

Low $232

High $367

The cheapest time to fly from Denver to Philadelphia

Flights from Denver to Philadelphia are cheapest in April, with a median price of $149. The most expensive month to fly is February, with a median price of $525. Generally, prices are 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, Aug 8

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$615

$346

One-way

Sat, Aug 8

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$639

$351

One-way

Sat, Aug 8

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$505

$352

One-way

Sun, Aug 9

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$619

$371

One-way

Mon, Aug 10

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$503

$368

One-way

Mon, Aug 10

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$615

$382

One-way

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

1 night

Aug 8 - Aug 9

$639 → $351

45%

4 nights

Aug 8 - Aug 12

$615 → $346

44%

3 nights

Aug 9 - Aug 12

$619 → $371

40%

4 nights

Aug 10 - Aug 14

$615 → $382

38%

Popular Airports to fly from Denver to Philadelphia

Denver - Philadelphia route insights

💸 Price insights

Recent fares are below the typical level

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

📅 Best time to fly

Fly in April for the best prices

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

A direct flight from Denver to Philadelphia takes 3h 39m, while connecting flights average 10h 33m.

✈️ Airlines & availability

Connecting flights are more common

Only 33.2% of recent flights from Denver to Philadelphia are direct, with connecting flights being more common.

🏆 Airline highlight

Frontier Airlines offers direct flights

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

🎯 Booking tip

Deals appear frequently

Deals for flights from Denver to Philadelphia appear frequently, typically within a 30-day window.

Denver main airports to depart from

Denver International (DEN)

Cheapest

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

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

💸 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 (EWR) is a major international hub that may offer more competitive pricing and direct flight options.

📍 ~135 km from Philadelphia (reachable by rail)

💸 Flights from ~$231

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

Sep 09

Philadelphia, United States

84% AI deal score

$1,563

$958

Save $605

United Airlines

Business Class

From DEN

Elite

Aug 29

Philadelphia, United States

84% AI deal score

$1,497

$959

Save $538

United Airlines

Business Class

From DEN

Elite

Sep 05

Philadelphia, United States

84% AI deal score

$1,563

$963

Save $600

United Airlines

Business Class

From DEN

Elite

Nov 11

Philadelphia, United States

83% AI deal score

$1,529

$973

Save $556

United Airlines

Business Class

From DEN

Elite

Sep 12

Philadelphia, United States

83% AI deal score

$1,501

$973

Save $528

United Airlines

Business Class

From DEN

Elite

Nov 10

Philadelphia, United States

83% AI deal score

$1,531

$973

Save $558

United Airlines

Business Class

From DEN

Elite

Nov 25

Philadelphia, United States

83% AI deal score

$1,542

$973

Save $569

United Airlines

Business Class

From DEN

Elite

Sep 12

Philadelphia, United States

82% AI deal score

$1,436

$974

Save $462

United Airlines

Business Class

From DEN

Elite

Aug 26

Philadelphia, United States

81% AI deal score

$1,444

$1,022

Save $422

United Airlines

Business Class

From DEN

Elite

Sep 05

Philadelphia, United States

80% AI deal score

$1,244

$962

Save $282

United Airlines

Business Class

From DEN

Elite

Sep 15

Philadelphia, United States

80% AI deal score

$1,248

$973

Save $275

United Airlines

Business Class

From DEN

Elite

Sep 03

Philadelphia, United States

80% AI deal score

$1,244

$975

Save $269

United Airlines

Business Class

Frequently Asked Questions About Flights to Philadelphia

Across the trailing quarter, the optimal booking window for flights from Denver to Philadelphia was typically 14-27 days before departure. During this period, the average price 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 even higher average of $491. Planning ahead by 14-27 days generally offered the most favorable pricing.

Historically, a good price for a flight from Denver to Philadelphia has been around $194. This threshold represents the lowest 25% of prices observed across the trailing 90 days. The median price for this route was $351, with prices reaching up to $506 or more for the higher end of the market.

Historically, April, May, and October have been the cheapest months to fly from Denver to Philadelphia. April showed a median price of $81, while May had a median of $143. October also offered competitive pricing with a median of $169. These months typically offer prices significantly lower than the annual median of $351.

Related routes

More routes from Denver

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Flights to Philadelphia from other cities

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Denver to Philadelphia: Overview

Insights for flights from Denver to Philadelphia

How much is a round trip from Denver to Philadelphia

Regular price: $232 - $367

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 $232 and $367. Currently, the lowest deal is $181 with Frontier Airlines for travel from Aug 28-Aug 31.

now $181

Low $232

High $367

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, Aug 8

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$615

$346

One-way

Sat, Aug 8

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$639

$351

One-way

Sat, Aug 8

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$505

$352

One-way

Sun, Aug 9

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$619

$371

One-way

Mon, Aug 10

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$503

$368

One-way

Mon, Aug 10

⌛ Last-Minute

DEN - Trenton

Denver (DEN) - Trenton (TTN)

Frontier Airlines

$615

$382

One-way

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

1 night

Aug 8 - Aug 9

$639 → $351

45%

4 nights

Aug 8 - Aug 12

$615 → $346

44%

3 nights

Aug 9 - Aug 12

$619 → $371

40%

4 nights

Aug 10 - Aug 14

$615 → $382

38%

Popular Airports to fly from Denver to Philadelphia

Denver - Philadelphia route insights

💸 Price insights

Recent fares are below the typical level

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

📅 Best time to fly

Fly in April for the best prices

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

A direct flight from Denver to Philadelphia takes 3h 39m, while connecting flights average 10h 33m.

✈️ Airlines & availability

Connecting flights are more common

Only 33.2% of recent flights from Denver to Philadelphia are direct, with connecting flights being more common.

🏆 Airline highlight

Frontier Airlines offers direct flights

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

🎯 Booking tip

Deals appear frequently

Deals for flights from Denver to Philadelphia appear frequently, typically within a 30-day window.

Denver main airports to depart from

Denver International (DEN)

Cheapest

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

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

💸 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 (EWR) is a major international hub that may offer more competitive pricing and direct flight options.

Philadelphia, United States

80% AI deal score

$1,244

$975

Save $269

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 below the typical level

Fly in April for the best 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

Sep 09

Aug 29

Sep 05

Nov 11

Sep 12

Nov 10

Nov 25

Sep 12

Aug 26

Sep 05

Sep 15

Sep 03

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 below the typical level

Fly in April for the best 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

Sep 09

Aug 29

Sep 05

Nov 11

Sep 12

Nov 10

Nov 25

Sep 12

Aug 26

Sep 05

Sep 15

Sep 03

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?