Are there direct flights from Philadelphia to Denver?

Yes, direct flights from Philadelphia to Denver are available. Historically, approximately 36.7% of observed flights on this route have been direct. For flights that include stopovers, the median number of stopovers across the trailing 90 days was 2. Travelers have options for both direct and connecting services between these two cities.

What's the flight time from Philadelphia to Denver?

The typical direct flight time from Philadelphia to Denver is approximately 4 hours and 14 minutes, covering a distance of 2500 kilometers. For flights with one stop, the median travel time increases significantly to about 8 hours and 53 minutes. This difference highlights the convenience of direct routes for this journey.

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

Cheap flights from Philadelphia to Denver are considered to come up frequently. This route is consistently observed to offer competitive pricing. Travelers looking for deals on this route will typically find opportunities arising regularly across the trailing 30 days.

Flights From Philadelphia

To Denver

Cheap Flights from Philadelphia to Denver

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Deals from

Philadelphia

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

Prices updated 1 day ago

461 airlines compared

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Fares are subject to change and may not be available for all dates. (Data last updated Sep 14, 2026.)

Today’s best flight deals from Philadelphia to Denver

Explore current cheapest deals departing from Philadelphia to Denver

2026-10-13 – 2026-10-20
PHL - Denver
78% AI deal score
$144
$101
Round trip
2026-10-13 – 2026-10-17
PHL - Denver
79% AI deal score
$152
$101
Round trip
2026-10-17 – 2026-10-20
PHL - Denver
78% AI deal score
$151
$104
Round trip
2026-10-11 – 2026-10-20
PHL - Denver
76% AI deal score
$137
$108
Round trip
2026-10-13 – 2026-10-21
PHL - Denver
80% AI deal score
$214
$108
Round trip
2026-10-13 – 2026-10-31
PHL - Denver
84% AI deal score
$192
$109
Round trip
2026-10-20 – 2026-10-27
PHL - Denver
80% AI deal score
$223
$112
Round trip
2026-11-10 – 2026-11-14
PHL - Denver
85% AI deal score
$226
$117
Round trip
2026-10-13 – 2026-10-16
PHL - Denver
70% AI deal score
$152
$122
Round trip
2026-10-24 – 2026-10-27
PHL - Denver
84% AI deal score
$235
$129
Round trip

Philadelphia to Denver: Overview

Insights for flights from Philadelphia to Denver

Right now, only 12% of recent fares for flights from Philadelphia to Denver are classified as a good price. Fares for this route typically range from $209–$479, with a median of $326. Current fares are significantly above the typical level, suggesting that cheaper flights from Philadelphia to Denver may become available.

If you are looking for the cheapest time to fly from Philadelphia to Denver, the data indicates that April is typically the most affordable month, with a median fare of $104. This is followed by May, where the median fare is $131, and June, with a median of $199.

Most itineraries for this route connect at least once, with only 36.7% of recent fares being non-stop. For connecting flights, the typical number of stopovers is 2.

A typical journey from Philadelphia to Denver takes about 4h 14m, including connections. This median duration accounts for both direct flights from Philadelphia to Denver and itineraries with one or more stops.

The distance between Philadelphia and Denver is approximately 2500 kilometers, classifying this as a medium-haul flight.

How much is a round trip from Philadelphia to Denver

Regular price: $123 - $381

Prices are currently below the regular range.

Regular prices for flights from Philadelphia to Denver typically range from $123 to $381. The current lowest deal is $101 with Frontier Airlines, for travel from Oct 13-Oct 17.

now $101

Low $123

High $381

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. Prices are generally 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, Sep 14

⌛ Last-Minute

TTN - Denver

Trenton (TTN) - Denver (DEN)

Frontier Airlines

$647

$377

One-way

Mon, Sep 14

⌛ Last-Minute

TTN - Denver

Trenton (TTN) - Denver (DEN)

Frontier Airlines

$645

$378

One-way

Mon, Sep 14

⌛ Last-Minute

TTN - Denver

Trenton (TTN) - Denver (DEN)

Frontier Airlines

$565

$389

One-way

Mon, Sep 14

⌛ Last-Minute

TTN - Denver

Trenton (TTN) - Denver (DEN)

Frontier Airlines

$633

$397

One-way

Wed, Sep 16

⌛ Last-Minute

TTN - Denver

Trenton (TTN) - Denver (DEN)

Frontier Airlines

$616

$370

One-way

Wed, Sep 16

⌛ Last-Minute

TTN - Denver

Trenton (TTN) - Denver (DEN)

Frontier Airlines

$472

$378

One-way

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

3 nights

Sep 16 - Sep 19

$637 → $368

42%

4 nights

Sep 19 - Sep 23

$612 → $370

40%

4 nights

Sep 16 - Sep 20

$633 → $409

35%

2 nights

Sep 17 - Sep 19

$623 → $409

34%

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 this route.

📅 Best time to fly

April offers the lowest median prices

Historically, April has offered the lowest median prices at $104 for flights from PHL to DEN.

⏱️ Flight duration

Direct flights average 4h 14m

Direct flights from Philadelphia to Denver typically take 4 hours and 14 minutes.

✈️ Airlines & availability

Connecting flights are more common

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

🏆 Airline highlight

Frontier Airlines offers direct flights

Frontier Airlines is a provider of direct flights from Philadelphia to Denver.

🎯 Booking tip

Deals are frequent on this route

Deals for 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 is a convenient option for flights from Philadelphia to Denver.

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

💸 Flights from ~$149

Denver main airports to arrive at

Denver International (DEN)

Cheapest

Denver International Airport is the primary gateway to Denver, offering convenient access to the city and surrounding areas.

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

💸 Flights from ~$156

Airports nearby Denver used as alternative

Colorado Springs (COS)

Cheapest

Colorado Springs (COS) is a reliable alternative for Denver, offering robust flight schedules and major carriers.

📍 ~110 km from Denver (reachable by car)

💸 Flights from ~$332

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

Nov 07

Denver, United States

86% AI deal score

$1,597

$919

Save $678

United Airlines

Business Class

From PHL

Elite

Dec 16

Denver, United States

86% AI deal score

$1,676

$942

Save $734

United Airlines

Business Class

From PHL

Elite

Oct 21

Denver, United States

85% AI deal score

$1,484

$919

Save $565

United Airlines

Business Class

From PHL

Elite

Oct 20

Denver, United States

84% AI deal score

$1,244

$871

Save $373

United Airlines

Business Class

From PHL

Elite

Oct 21

Denver, United States

84% AI deal score

$1,251

$871

Save $380

United Airlines

Business Class

From PHL

Elite

Dec 16

Denver, United States

84% AI deal score

$1,299

$871

Save $428

United Airlines

Business Class

From PHL

Elite

Nov 11

Denver, United States

83% AI deal score

$1,218

$881

Save $337

United Airlines

Business Class

From PHL

Elite

Oct 10

Denver, United States

83% AI deal score

$1,229

$881

Save $348

United Airlines

Business Class

From PHL

Elite

Oct 20

Denver, United States

83% AI deal score

$1,258

$889

Save $369

United Airlines

Business Class

From PHL

Elite

Oct 19

Denver, United States

83% AI deal score

$1,229

$907

Save $322

United Airlines

Business Class

From PHL

Elite

Dec 14

Denver, United States

83% AI deal score

$1,295

$907

Save $388

United Airlines

Business Class

From PHL

Elite

Dec 22

Denver, United States

83% AI deal score

$1,323

$912

Save $411

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 before departure. During this period, the average price observed was $151. Booking within 7-13 days of travel saw average prices rise to $433, while last-minute bookings (0-6 days out) averaged $695. Conversely, booking more than 60 days in advance also tended to be more expensive, with an average price of $380.

Based on historical data across the trailing quarter, a good price for a flight from Philadelphia to Denver is considered to be $209 or less. The median price for this route was $326. Prices above $479 were observed in the higher range of the market. These figures are derived from flights observed over a 90-day period.

Historically, the cheapest months to fly from Philadelphia to Denver are April, May, and June. April typically sees a median price of $104, while May has a median of $131. June's median price is $199, which is also identified as the most expensive month within this specific grouping, yet still significantly lower than the annual median of $326. These trends are based on data collected over a 270-day period.

Related routes

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Flights to Denver from other cities

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Philadelphia to Denver: Overview

Insights for flights from Philadelphia to Denver

Most itineraries for this route connect at least once, with only 36.7% of recent fares being non-stop. For connecting flights, the typical number of stopovers is 2.

The distance between Philadelphia and Denver is approximately 2500 kilometers, classifying this as a medium-haul flight.

How much is a round trip from Philadelphia to Denver

Regular price: $123 - $381

Prices are currently below the regular range.

Regular prices for flights from Philadelphia to Denver typically range from $123 to $381. The current lowest deal is $101 with Frontier Airlines, for travel from Oct 13-Oct 17.

now $101

Low $123

High $381

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, Sep 14

⌛ Last-Minute

TTN - Denver

Trenton (TTN) - Denver (DEN)

Frontier Airlines

$647

$377

One-way

Mon, Sep 14

⌛ Last-Minute

TTN - Denver

Trenton (TTN) - Denver (DEN)

Frontier Airlines

$645

$378

One-way

Mon, Sep 14

⌛ Last-Minute

TTN - Denver

Trenton (TTN) - Denver (DEN)

Frontier Airlines

$565

$389

One-way

Mon, Sep 14

⌛ Last-Minute

TTN - Denver

Trenton (TTN) - Denver (DEN)

Frontier Airlines

$633

$397

One-way

Wed, Sep 16

⌛ Last-Minute

TTN - Denver

Trenton (TTN) - Denver (DEN)

Frontier Airlines

$616

$370

One-way

Wed, Sep 16

⌛ Last-Minute

TTN - Denver

Trenton (TTN) - Denver (DEN)

Frontier Airlines

$472

$378

One-way

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

3 nights

Sep 16 - Sep 19

$637 → $368

42%

4 nights

Sep 19 - Sep 23

$612 → $370

40%

4 nights

Sep 16 - Sep 20

$633 → $409

35%

2 nights

Sep 17 - Sep 19

$623 → $409

34%

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 this route.

📅 Best time to fly

April offers the lowest median prices

Historically, April has offered the lowest median prices at $104 for flights from PHL to DEN.

⏱️ Flight duration

Direct flights average 4h 14m

Direct flights from Philadelphia to Denver typically take 4 hours and 14 minutes.

✈️ Airlines & availability

Connecting flights are more common

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

🏆 Airline highlight

Frontier Airlines offers direct flights

Frontier Airlines is a provider of direct flights from Philadelphia to Denver.

🎯 Booking tip

Deals are frequent on this route

Deals for 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 is a convenient option for flights from Philadelphia to Denver.

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

💸 Flights from ~$149

Denver main airports to arrive at

Denver International (DEN)

Cheapest

Denver International Airport is the primary gateway to Denver, offering convenient access to the city and surrounding areas.

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

💸 Flights from ~$156

Airports nearby Denver used as alternative

Colorado Springs (COS)

Cheapest

Colorado Springs (COS) is a reliable alternative for Denver, offering robust flight schedules and major carriers.

Denver, United States

83% AI deal score

$1,323

$912

Save $411

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

Connecting flights are more common

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

Nov 07

Dec 16

Oct 21

Oct 20

Oct 21

Dec 16

Nov 11

Oct 10

Oct 20

Oct 19

Dec 14

Dec 22

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

Connecting flights are more common

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

Nov 07

Dec 16

Oct 21

Oct 20

Oct 21

Dec 16

Nov 11

Oct 10

Oct 20

Oct 19

Dec 14

Dec 22

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?