Are there direct flights from Philadelphia to Denver?

Yes, direct flights are available from Philadelphia to Denver. Historically, approximately 36.7% of all flights on this route have been direct. For flights that include stopovers, travelers typically encounter a median of 2 stopovers. This data is based on observations over the trailing 90 days.

What's the flight time from Philadelphia to Denver?

The typical direct flight time from Philadelphia to Denver is 4 hours and 14 minutes, covering a distance of 2500 kilometers. For flights with one stop, the median travel time increases significantly to 8 hours and 53 minutes. These durations reflect the average times observed for this route.

How often do cheap flights from Philadelphia to Denver come up?

Cheap flights from Philadelphia to Denver are classified as frequent. This indicates that good deals on this route appear regularly. Travelers can typically find favorable pricing options with consistent availability across the trailing 30 days.

Flights From Philadelphia

To Denver

Cheap Flights from Philadelphia to Denver

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

Deals from

Philadelphia

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

Prices updated 13 days ago

406 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 2, 2026.)

Today’s best flight deals from Philadelphia to Denver

Explore current cheapest deals departing from Philadelphia to Denver

2026-10-10 – 2026-10-13
PHL - Denver
80% AI deal score
$157
$102
Round trip
2026-10-17 – 2026-10-20
PHL - Denver
78% AI deal score
$157
$108
Round trip
2026-10-14 – 2026-10-24
PHL - Denver
71% AI deal score
$139
$114
Round trip
2026-10-21 – 2026-10-24
PHL - Denver
77% AI deal score
$157
$114
Round trip
2026-10-14 – 2026-10-20
PHL - Denver
77% AI deal score
$152
$114
Round trip
2026-10-20 – 2026-10-24
PHL - Denver
77% AI deal score
$157
$114
Round trip
2026-10-10 – 2026-10-20
PHL - Denver
71% AI deal score
$138
$114
Round trip
2026-10-17 – 2026-10-24
PHL - Denver
77% AI deal score
$152
$114
Round trip
2026-10-10 – 2026-10-24
PHL - Denver
70% AI deal score
$135
$114
Round trip
2026-10-14 – 2026-10-17
PHL - Denver
76% AI deal score
$157
$116
Round trip

Philadelphia to Denver: Overview

Insights for flights from Philadelphia to Denver

Right now, 12% of recent fares for flights from Philadelphia to Denver are considered a good price. Fares for this route typically range from $209 to $479, with a median of $326. Current fares are significantly above the typical level, indicating that prices are higher than usual for this route. New deals for this route appear almost daily, so setting up a price alert can help you track fluctuations.

When looking for cheap flights from Philadelphia to Denver, the most affordable times to fly are typically April, with a median fare of $104, followed by May at $131, and June at $199. These months offer significantly lower median prices compared to the overall typical range for the route.

For flights from Philadelphia to Denver, most itineraries connect at least once, with only 36.7% of recent fares being non-stop. When a connection is required, the typical number of stopovers is 2. This means that while direct flights from Philadelphia to Denver are available, a significant portion of travelers will have at least one stop on their journey.

A typical journey from Philadelphia to Denver takes about 4h 14m, including connections. For non-stop flights, the median flight time is also 4h 14m. However, for itineraries that include connections, the median journey time extends to 13h 54m, reflecting the additional time spent during layovers.

How much is a round trip from Philadelphia to Denver

Regular price: $194 - $416

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

The regular price range for flights from Philadelphia to Denver is $194 to $416. The current lowest deal is $160 with Frontier Airlines for travel from Oct 20-Oct 25.

now $160

Low $194

High $416

The cheapest time to fly from Philadelphia to Denver

The cheapest month to fly from Philadelphia to Denver is April, with a median price of $196. The most expensive month is November, with a median price of $770. Generally, prices are lower from April to December.

April

Cheapest

Flights from $196

November

Most Expensive

Flights from $770

Jan

Feb

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Philadelphia to Denver

Frontier Airlines

Last-minute flights going from Philadelphia to Denver

Mon, Aug 10

⌛ Last-Minute

TTN - Denver

Trenton (TTN) - Denver (DEN)

Frontier Airlines

$738

$323

One-way

Mon, Aug 10

⌛ Last-Minute

TTN - Denver

Trenton (TTN) - Denver (DEN)

Frontier Airlines

$629

$350

One-way

Mon, Aug 10

⌛ Last-Minute

TTN - Denver

Trenton (TTN) - Denver (DEN)

Frontier Airlines

$710

$375

One-way

Mon, Aug 10

⌛ Last-Minute

TTN - Denver

Trenton (TTN) - Denver (DEN)

Frontier Airlines

$584

$382

One-way

Tue, Aug 11

⌛ Last-Minute

TTN - Denver

Trenton (TTN) - Denver (DEN)

Frontier Airlines

$584

$312

One-way

Tue, Aug 11

⌛ Last-Minute

TTN - Denver

Trenton (TTN) - Denver (DEN)

Frontier Airlines

$538

$350

One-way

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

1 night

Aug 10 - Aug 11

$738 → $323

56%

3 nights

Aug 11 - Aug 14

$714 → $351

51%

2 nights

Aug 13 - Aug 15

$708 → $346

51%

4 nights

Aug 10 - Aug 14

$710 → $376

47%

Popular Airports to fly from Philadelphia to Denver

Philadelphia - Denver route insights

💸 Price insights

Recent fares are above the typical level

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

📅 Best time to fly

April offers the lowest median prices

Historically, April has offered the lowest median prices at $196 for flights from PHL to DEN.

⏱️ Flight duration

Direct flights average 4h 14m

The typical direct flight from Philadelphia to Denver takes 4h 14m, while connecting flights average 13h 54m.

✈️ Airlines & availability

36.7% of recent flights are direct

Historically, 36.7% of flights on this route have been direct, with connecting flights typically having 2 stopovers.

🏆 Airline highlight

Frontier Airlines offers direct flights

Frontier Airlines has offered direct flights from Philadelphia to Denver.

🎯 Booking tip

Deals are frequent on this route

Deals for flights from Philadelphia to Denver are frequent, appearing often in a 30-day window.

Philadelphia main airports to depart from

Philadelphia International (PHL)

Cheapest

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

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

💸 Flights from ~$96

Denver main airports to arrive at

Denver International (DEN)

Cheapest

Denver International Airport is a primary gateway to Denver, Colorado, offering convenient access to the city.

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

💸 Flights from ~$96

Airports nearby Denver used as alternative

Colorado Springs (COS)

Cheapest

Colorado Springs (COS) offers a reliable alternative with robust flight schedules, though I-25 traffic can impact travel time.

📍 ~110 km from Denver (reachable by car)

💸 Flights from ~$269

Business & First Class Flight Deals to Denver

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

Elite

Best Elite deals to Denver

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

From PHL

Elite

Sep 02

Denver, United States

85% AI deal score

$1,305

$843

Save $462

United Airlines

Business Class

From PHL

Elite

Sep 12

Denver, United States

85% AI deal score

$1,300

$847

Save $453

United Airlines

Business Class

From PHL

Elite

Sep 08

Denver, United States

85% AI deal score

$1,300

$847

Save $453

United Airlines

Business Class

From PHL

Elite

Oct 10

Denver, United States

85% AI deal score

$1,277

$847

Save $430

United Airlines

Business Class

From PHL

Elite

Oct 17

Denver, United States

84% AI deal score

$1,242

$847

Save $395

United Airlines

Business Class

From PHL

Elite

Jan 09

Denver, United States

83% AI deal score

$1,129

$847

Save $282

United Airlines

Business Class

From PHL

Elite

Nov 07

Denver, United States

82% AI deal score

$1,108

$837

Save $271

United Airlines

Business Class

From PHL

Elite

Nov 10

Denver, United States

82% AI deal score

$1,108

$837

Save $271

United Airlines

Business Class

From PHL

Elite

Oct 26

Denver, United States

82% AI deal score

$1,211

$891

Save $320

United Airlines

Business Class

From PHL

Elite

Oct 20

Denver, United States

81% AI deal score

$1,043

$837

Save $206

United Airlines

Business Class

From PHL

Elite

Oct 24

Denver, United States

81% AI deal score

$1,052

$837

Save $215

United Airlines

Business Class

From PHL

Elite

Sep 01

Denver, United States

81% AI deal score

$1,159

$889

Save $270

United Airlines

Business Class

Frequently Asked Questions About Flights to Denver

Historically, the optimal booking window for flights from Philadelphia to Denver is typically between 28 and 59 days prior to departure. During this period, the average price observed was around $151. Booking within 14-27 days saw average prices rise to $204, while booking 7-13 days out resulted in an average price of $433. For those booking 60 or more days in advance, the average price was approximately $380, indicating that booking too early may not yield the lowest fares.

Across the trailing quarter, a good price for a flight from Philadelphia to Denver is considered to be $209 or less. This threshold represents the point at which 25% of observed prices were at or below this amount. The median price for this route over the same period was $326, with 75% of prices falling below $479.

Historically, the cheapest months to fly from Philadelphia to Denver are April, May, and June. April typically shows the lowest median price at $104, followed by May at $131. June also offers competitive pricing with a median of $199. These months are significantly lower than the annual median price of $326 for this route.

Related routes

More routes from Philadelphia

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Flights to Denver from other cities

Flights from Louisville to Denver Flights from Phoenix to Denver Flights from Pittsburgh to Denver Flights from Prague to Denver Flights from Raleigh to Denver Flights from Sacramento to Denver Flights from Salt Lake City to Denver Flights from San Antonio to Denver Flights from San Diego to Denver Flights from San Francisco to Denver Flights from San Jose to Denver Flights from Seattle to Denver

Philadelphia to Denver: Overview

Insights for flights from Philadelphia to Denver

How much is a round trip from Philadelphia to Denver

Regular price: $194 - $416

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

The regular price range for flights from Philadelphia to Denver is $194 to $416. The current lowest deal is $160 with Frontier Airlines for travel from Oct 20-Oct 25.

now $160

Low $194

High $416

The cheapest time to fly from Philadelphia to Denver

April

Cheapest

Flights from $196

November

Most Expensive

Flights from $770

Jan

Feb

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Philadelphia to Denver

Frontier Airlines

Last-minute flights going from Philadelphia to Denver

Mon, Aug 10

⌛ Last-Minute

TTN - Denver

Trenton (TTN) - Denver (DEN)

Frontier Airlines

$738

$323

One-way

Mon, Aug 10

⌛ Last-Minute

TTN - Denver

Trenton (TTN) - Denver (DEN)

Frontier Airlines

$629

$350

One-way

Mon, Aug 10

⌛ Last-Minute

TTN - Denver

Trenton (TTN) - Denver (DEN)

Frontier Airlines

$710

$375

One-way

Mon, Aug 10

⌛ Last-Minute

TTN - Denver

Trenton (TTN) - Denver (DEN)

Frontier Airlines

$584

$382

One-way

Tue, Aug 11

⌛ Last-Minute

TTN - Denver

Trenton (TTN) - Denver (DEN)

Frontier Airlines

$584

$312

One-way

Tue, Aug 11

⌛ Last-Minute

TTN - Denver

Trenton (TTN) - Denver (DEN)

Frontier Airlines

$538

$350

One-way

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

1 night

Aug 10 - Aug 11

$738 → $323

56%

3 nights

Aug 11 - Aug 14

$714 → $351

51%

2 nights

Aug 13 - Aug 15

$708 → $346

51%

4 nights

Aug 10 - Aug 14

$710 → $376

47%

Popular Airports to fly from Philadelphia to Denver

Philadelphia - Denver route insights

💸 Price insights

Recent fares are above the typical level

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

📅 Best time to fly

April offers the lowest median prices

Historically, April has offered the lowest median prices at $196 for flights from PHL to DEN.

⏱️ Flight duration

Direct flights average 4h 14m

The typical direct flight from Philadelphia to Denver takes 4h 14m, while connecting flights average 13h 54m.

✈️ Airlines & availability

36.7% of recent flights are direct

Historically, 36.7% of flights on this route have been direct, with connecting flights typically having 2 stopovers.

🏆 Airline highlight

Frontier Airlines offers direct flights

Frontier Airlines has offered direct flights from Philadelphia to Denver.

🎯 Booking tip

Deals are frequent on this route

Deals for flights from Philadelphia to Denver are frequent, appearing often in a 30-day window.

Philadelphia main airports to depart from

Philadelphia International (PHL)

Cheapest

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

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

💸 Flights from ~$96

Denver main airports to arrive at

Denver International (DEN)

Cheapest

Denver International Airport is a primary gateway to Denver, Colorado, offering convenient access to the city.

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

💸 Flights from ~$96

Airports nearby Denver used as alternative

Colorado Springs (COS)

Cheapest

Colorado Springs (COS) offers a reliable alternative with robust flight schedules, though I-25 traffic can impact travel time.

Denver, United States

81% AI deal score

$1,159

$889

Save $270

United Airlines

Business Class

Frequently Asked Questions About Flights to Denver

Cheap Flights from Philadelphia to Denver

Today’s best flight deals from Philadelphia to Denver

Philadelphia to Denver: Overview

Insights for flights from Philadelphia to Denver

How much is a round trip from Philadelphia to Denver

The cheapest time to fly from Philadelphia to Denver

Direct flights from Philadelphia to Denver

Last-minute flights going from Philadelphia to Denver

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

Popular Airports to fly from Philadelphia to Denver

Philadelphia - Denver route insights

Recent fares are above the typical level

April offers the lowest median prices

Direct flights average 4h 14m

36.7% of recent flights are direct

Frontier Airlines offers direct flights

Deals are frequent on this route

Philadelphia main airports to depart from

Denver main airports to arrive at

Airports nearby Denver used as alternative

Business & First Class Flight Deals to Denver

Best Elite deals to Denver

Sep 02

Sep 12

Sep 08

Oct 10

Oct 17

Jan 09

Nov 07

Nov 10

Oct 26

Oct 20

Oct 24

Sep 01

Frequently Asked Questions About Flights to Denver

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

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

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

Are there direct flights from Philadelphia to Denver?

What's the flight time from Philadelphia to Denver?

How often do cheap flights from Philadelphia to Denver come up?

Related routes

More routes from Philadelphia

Flights to Denver from other cities

Philadelphia to Denver: Overview

Insights for flights from Philadelphia to Denver

How much is a round trip from Philadelphia to Denver

The cheapest time to fly from Philadelphia to Denver

Direct flights from Philadelphia to Denver

Last-minute flights going from Philadelphia to Denver

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

Popular Airports to fly from Philadelphia to Denver

Philadelphia - Denver route insights

Recent fares are above the typical level

April offers the lowest median prices

Direct flights average 4h 14m

36.7% of recent flights are direct

Frontier Airlines offers direct flights

Deals are frequent on this route

Philadelphia main airports to depart from

Denver main airports to arrive at

Airports nearby Denver used as alternative

Business & First Class Flight Deals to Denver

Best Elite deals to Denver

Sep 02

Sep 12

Sep 08

Oct 10

Oct 17

Jan 09

Nov 07

Nov 10

Oct 26

Oct 20

Oct 24

Sep 01

Frequently Asked Questions About Flights to Denver

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

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

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