Are there direct flights from Philadelphia to Denver?

Historically, direct flights from Philadelphia to Denver have been available, though they represent a smaller portion of the total routes. Approximately 7.2% of flights on this route were direct in the trailing 90 days. For flights with layovers, the median number of stopovers was typically two.

What's the flight time from Philadelphia to Denver?

The typical direct flight time from Philadelphia to Denver is approximately 4 hours and 10 minutes, covering a distance of 2500 kilometers. For flights involving one stop, the median travel time historically extends to about 11 hours and 32 minutes. This significant difference highlights the convenience of direct routes when available.

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

Historically, cheap flights from Philadelphia to Denver come up frequently. This route is classified as having frequent deals. Travelers can typically find competitive prices for this destination on a regular basis, based on observations over the trailing 30 days.

Flights From Philadelphia

To Denver

Philadelphia to Denver Flights — [2026]

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Deals from

Philadelphia

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

Prices updated today

485 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Nov 2, 2026.)

Today’s best flight deals from Philadelphia to Denver

Explore current cheapest deals departing from Philadelphia to Denver

2027-02-23 – 2027-02-24
PHL - Denver
82% AI deal score
$210
$128
Round trip
2027-02-02 – 2027-02-23
PHL - Denver
79% AI deal score
$185
$130
Round trip
2027-02-08 – 2027-02-23
PHL - Denver
80% AI deal score
$190
$130
Round trip
2027-02-01 – 2027-02-23
PHL - Denver
79% AI deal score
$185
$131
Round trip
2027-02-02 – 2027-02-06
PHL - Denver
81% AI deal score
$206
$132
Round trip
2027-02-01 – 2027-02-03
PHL - Denver
81% AI deal score
$205
$132
Round trip
2027-02-02 – 2027-02-08
PHL - Denver
81% AI deal score
$204
$132
Round trip
2027-02-02 – 2027-02-09
PHL - Denver
81% AI deal score
$204
$132
Round trip
2027-02-01 – 2027-02-06
PHL - Denver
81% AI deal score
$206
$133
Round trip
2027-02-01 – 2027-02-09
PHL - Denver
80% AI deal score
$201
$133
Round trip

Philadelphia to Denver: Overview

Insights for flights from Philadelphia to Denver

Right now, only 2% of recent fares for flights from Philadelphia to Denver are classified as a good price. Fares for this route typically range from $331–$636, with a median of $436. Current fares are near the typical level, indicating that prices are generally in line with historical trends for this route.

When is the cheapest time to fly from Philadelphia to Denver? Historically, the most affordable month to fly this route is July, with a median fare of $292. Following closely are September, with a median of $338, and October, with a median of $388, offering more budget-friendly options compared to other times of the year.

For travelers considering direct flights from Philadelphia to Denver, it's important to note that most itineraries connect at least once. Only 7.2% of recent fares were for non-stop flights. For the majority of itineraries that do include connections, the typical number of stopovers is 2, which can significantly extend travel time.

How long is the flight from Philadelphia to Denver? A typical journey from Philadelphia to Denver, including connections, takes about 4h 10m. This median duration accounts for both direct and connecting flights, reflecting the overall travel experience on this route.

The distance between Philadelphia and Denver is approximately 2500 kilometers. This classifies the route as a medium-haul journey, meaning it's a significant distance that typically involves several hours of flight time.

How much is a round trip from Philadelphia to Denver

Regular price: $174 - $290

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

The regular price range for flights from Philadelphia to Denver is $174 to $290. The current lowest deal is $125 with Frontier Airlines for travel from Jan 25-Jan 30.

now $125

Low $174

High $290

The cheapest time to fly from Philadelphia to Denver

The cheapest month to fly from Philadelphia to Denver is July, with a median price of $292. The most expensive month is June, with a median price of $885. Prices are generally lower from July to November.

July

Cheapest

Flights from $292

June

Most Expensive

Flights from $885

Jan

Feb

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Philadelphia to Denver

Frontier Airlines

Last-minute flights going from Philadelphia to Denver

Fri, Nov 20

⌛ Last-Minute

PHL - Denver

Philadelphia (PHL) - Denver (DEN)

Frontier Airlines

$137

$173

One-way

Fri, Nov 20

⌛ Last-Minute

PHL - Denver

Philadelphia (PHL) - Denver (DEN)

Frontier Airlines

$236

$186

One-way

Mon, Nov 23

⌛ Last-Minute

PHL - Denver

Philadelphia (PHL) - Denver (DEN)

Frontier Airlines

$116

$177

One-way

Mon, Nov 23

⌛ Last-Minute

PHL - Denver

Philadelphia (PHL) - Denver (DEN)

Frontier Airlines

$203

$195

One-way

Mon, Nov 23

⌛ Last-Minute

PHL - Denver

Philadelphia (PHL) - Denver (DEN)

Frontier Airlines

$188

$195

One-way

Mon, Nov 23

⌛ Last-Minute

PHL - Denver

Philadelphia (PHL) - Denver (DEN)

Frontier Airlines

$187

$195

One-way

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

3 nights

Dec 7 - Dec 10

$277 → $173

38%

4 nights

Dec 7 - Dec 11

$277 → $184

34%

4 nights

Dec 1 - Dec 5

$278 → $188

32%

3 nights

Dec 2 - Dec 5

$278 → $188

32%

Popular Airports to fly from Philadelphia to Denver

Philadelphia - Denver route insights

💸 Price insights

Recent fares near the typical level

Recent fares from Philadelphia to Denver are near the typical level of $436.

📅 Best time to fly

Fly in July for prices from $292

Historically, July is the cheapest month to fly, with a median price of $292.

⏱️ Flight duration

Direct flights take 4h 10m

Direct flights to Denver typically take 4h 10m, while connecting flights average 22h 51m.

✈️ Airlines & availability

Connecting flights are dominant

Only 7.2% of recent flights from Philadelphia to Denver are direct.

🏆 Airline highlight

Frontier Airlines offers direct flights

Frontier Airlines has 1 direct deal available for this route.

🎯 Booking tip

Deals are frequent

Deals on flights from Philadelphia to Denver are frequent, appearing within a 30-day window.

Philadelphia main airports to depart from

Philadelphia International (PHL)

Cheapest

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

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

💸 Flights from ~$141

Denver main airports to arrive at

Denver International (DEN)

Cheapest

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

📍 ~30 km from city center (reachable by car, bus, or rail).

💸 Flights from ~$157

Airports nearby Denver used as alternative

Colorado Springs (COS)

Cheapest

Colorado Springs (COS) is a reliable alternative with robust flight schedules and multiple major carriers.

📍 ~110 km from Denver (reachable by car)

💸 Flights from ~$366

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

Dec 31

Denver, United States

71% AI deal score

$1,840

$1,671

Save $169

Alaska Airlines, Inc.

Business Class

From PHL

Elite

Dec 31

Denver, United States

71% AI deal score

$1,931

$1,791

Save $140

Alaska Airlines, Inc.

Business Class

From PHL

Elite

Dec 18

Denver, United States

69% AI deal score

$1,730

$1,728

Save $2

Alaska Airlines, Inc.

Business Class

From PHL

Elite

Dec 18

Denver, United States

69% AI deal score

$1,744

$1,728

Save $16

Alaska Airlines, Inc.

Business Class

From PHL

Elite

Nov 15

Denver, United States

69% AI deal score

$1,803

$1,785

Save $18

Alaska Airlines, Inc.

Business Class

From PHL

Elite

Dec 18

Denver, United States

68% AI deal score

$1,785

Alaska Airlines, Inc.

Business Class

From PHL

Elite

Dec 23

Denver, United States

68% AI deal score

$1,791

Alaska Airlines, Inc.

Business Class

From PHL

Elite

Nov 15

Denver, United States

67% AI deal score

$1,785

Alaska Airlines, Inc.

Business Class

From PHL

Elite

Dec 18

Denver, United States

67% AI deal score

$1,785

Alaska Airlines, Inc.

Business Class

From PHL

Elite

Dec 17

Denver, United States

67% AI deal score

$1,785

Alaska Airlines, Inc.

Business Class

From PHL

Elite

Dec 23

Denver, United States

67% AI deal score

$1,791

Alaska Airlines, Inc.

Business Class

From PHL

Elite

Dec 18

Denver, United States

67% AI deal score

$1,848

Alaska Airlines, Inc.

Business Class

Frequently Asked Questions About Flights to Denver

Historically, the optimal booking window for flights from Philadelphia to Denver is typically 28-59 days before departure. Within this period, the average price observed was around $426. Booking 14-27 days out also offered a comparable average price of $428. However, prices tended to increase significantly for bookings made closer to departure, with flights booked 7-13 days out averaging $748.

Across the trailing quarter, a good price for a flight from Philadelphia to Denver was considered to be $331 or less. The median price for this route over the same 90-day period was $436. Prices above $636 were in the higher range, indicating that travelers typically paid less than this amount for their flights.

Historically, July has been the cheapest month to fly from Philadelphia to Denver, with a median price of $292. September also offered competitive prices, with a median of $338. The annual median price for this route was $436, indicating that these months typically provide savings compared to the yearly average.

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: $174 - $290

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

The regular price range for flights from Philadelphia to Denver is $174 to $290. The current lowest deal is $125 with Frontier Airlines for travel from Jan 25-Jan 30.

now $125

Low $174

High $290

The cheapest time to fly from Philadelphia to Denver

July

Cheapest

Flights from $292

June

Most Expensive

Flights from $885

Jan

Feb

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Philadelphia to Denver

Frontier Airlines

Last-minute flights going from Philadelphia to Denver

Fri, Nov 20

⌛ Last-Minute

PHL - Denver

Philadelphia (PHL) - Denver (DEN)

Frontier Airlines

$137

$173

One-way

Fri, Nov 20

⌛ Last-Minute

PHL - Denver

Philadelphia (PHL) - Denver (DEN)

Frontier Airlines

$236

$186

One-way

Mon, Nov 23

⌛ Last-Minute

PHL - Denver

Philadelphia (PHL) - Denver (DEN)

Frontier Airlines

$116

$177

One-way

Mon, Nov 23

⌛ Last-Minute

PHL - Denver

Philadelphia (PHL) - Denver (DEN)

Frontier Airlines

$203

$195

One-way

Mon, Nov 23

⌛ Last-Minute

PHL - Denver

Philadelphia (PHL) - Denver (DEN)

Frontier Airlines

$188

$195

One-way

Mon, Nov 23

⌛ Last-Minute

PHL - Denver

Philadelphia (PHL) - Denver (DEN)

Frontier Airlines

$187

$195

One-way

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

3 nights

Dec 7 - Dec 10

$277 → $173

38%

4 nights

Dec 7 - Dec 11

$277 → $184

34%

4 nights

Dec 1 - Dec 5

$278 → $188

32%

3 nights

Dec 2 - Dec 5

$278 → $188

32%

Popular Airports to fly from Philadelphia to Denver

Philadelphia - Denver route insights

💸 Price insights

Recent fares near the typical level

Recent fares from Philadelphia to Denver are near the typical level of $436.

📅 Best time to fly

Fly in July for prices from $292

Historically, July is the cheapest month to fly, with a median price of $292.

⏱️ Flight duration

Direct flights take 4h 10m

Direct flights to Denver typically take 4h 10m, while connecting flights average 22h 51m.

✈️ Airlines & availability

Connecting flights are dominant

Only 7.2% of recent flights from Philadelphia to Denver are direct.

🏆 Airline highlight

Frontier Airlines offers direct flights

Frontier Airlines has 1 direct deal available for this route.

🎯 Booking tip

Deals are frequent

Deals on flights from Philadelphia to Denver are frequent, appearing within a 30-day window.

Philadelphia main airports to depart from

Philadelphia International (PHL)

Cheapest

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

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

💸 Flights from ~$141

Denver main airports to arrive at

Denver International (DEN)

Cheapest

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

📍 ~30 km from city center (reachable by car, bus, or rail).

💸 Flights from ~$157

Airports nearby Denver used as alternative

Colorado Springs (COS)

Cheapest

Colorado Springs (COS) is a reliable alternative with robust flight schedules and multiple major carriers.

Denver, United States

68% AI deal score

$1,785

Alaska Airlines, Inc.

Business Class

From PHL

Elite

Dec 23

Denver, United States

68% AI deal score

$1,791

Alaska Airlines, Inc.

Business Class

From PHL

Elite

Nov 15

Denver, United States

67% AI deal score

$1,785

Alaska Airlines, Inc.

Business Class

From PHL

Elite

Dec 18

Denver, United States

67% AI deal score

$1,785

Alaska Airlines, Inc.

Business Class

From PHL

Elite

Dec 17

Denver, United States

67% AI deal score

$1,785

Alaska Airlines, Inc.

Business Class

From PHL

Elite

Dec 23

Denver, United States

67% AI deal score

$1,791

Alaska Airlines, Inc.

Business Class

From PHL

Elite

Dec 18

Denver, United States

67% AI deal score

$1,848

Alaska Airlines, Inc.

Business Class

Frequently Asked Questions About Flights to Denver

Philadelphia to Denver Flights — [2026]

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 near the typical level

Fly in July for prices from $292

Direct flights take 4h 10m

Connecting flights are dominant

Frontier Airlines offers direct flights

Deals are frequent

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

Dec 31

Dec 31

Dec 18

Dec 18

Nov 15

Dec 18

Dec 23

Nov 15

Dec 18

Dec 17

Dec 23

Dec 18

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 near the typical level

Fly in July for prices from $292

Direct flights take 4h 10m

Connecting flights are dominant

Frontier Airlines offers direct flights

Deals are frequent

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

Dec 31

Dec 31

Dec 18

Dec 18

Nov 15

Dec 18

Dec 23

Nov 15

Dec 18

Dec 17

Dec 23

Dec 18

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?