Philadelphia (PHL) → Denver (DEN)

2,500 km
3h 38m flight
From $190
Denver destination photo

About Philadelphia to Denver Flights

Discover the best flights from Philadelphia to Denver, covering 2,500 km in approximately 3h 38m. Philadelphia (PHL) to Denver (DEN) is one of the popular medium-haul routes within United States. With 6 major airlines operating this route including direct flights, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Philadelphia to Denver.

12-Month Price History

Flight prices from Philadelphia to Denver vary significantly throughout the year. February typically offers the best deals with average prices around $363, while July sees the highest prices, averaging $603. Savvy travelers can save up to 40% by choosing their travel dates wisely.

Best Time to Fly

Cheapest Month

February

Save up to 40% on average

Most Expensive

July

Peak season pricing

Book in Advance

65 days

For best prices

Booking Tips

For the best prices on Philadelphia to Denver flights, we recommend booking 85 days in advance. Domestic flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.

Airlines Serving This Route

Frontier Airlines

F9

Economy

$440

Business

-

First

-

Southwest Airlines

WN

Economy

$510

Business

-

First

-

United Airlines

UA

Economy

$640

Business

$3000

First

$4610

UPS Airlines

5X

Economy

$690

Business

$2560

First

$3970

SkyWest Airlines

OO

Economy

$860

Business

$2440

First

$4280

Piedmont Airlines

PT

Economy

$870

Business

$2810

First

$4140

Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.

Alternative Flight Options

Denver destination photo

New YorkDenver

John F. Kennedy International (JFK) to Denver International (DEN)

Distance: 2,610 km

Average price: $492

View this route →
Denver destination photo

NewarkDenver

Newark Liberty International (EWR) to Denver International (DEN)

Distance: 2,576 km

Average price: $486

View this route →
Denver destination photo

WashingtonDenver

Ronald Reagan Washington National (DCA) to Denver International (DEN)

Distance: 2,369 km

Average price: $455

View this route →

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Frequently Asked Questions

How long is the flight from Philadelphia to Denver?

The flight time from Philadelphia (PHL) to Denver (DEN) is approximately 3 hours and 38 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.

What is the distance between Philadelphia and Denver?

The aerial distance between Philadelphia and Denver is 2,500 kilometers (1,553 miles). This is the straight-line distance, which is used to calculate flight times.

Which airlines fly from Philadelphia to Denver?

Several airlines operate flights between Philadelphia and Denver, including United Airlines, Southwest Airlines, Frontier Airlines and 3 more airlines. Direct flights are available on this route.

What is the cheapest month to fly from Philadelphia to Denver?

Based on historical data, February typically offers the lowest airfares for flights from Philadelphia to Denver. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.

How far in advance should I book my flight to Denver?

For the best prices on Philadelphia to Denver flights, we recommend booking 75 days in advance. Domestic flights can sometimes offer good last-minute deals, but advance booking is usually cheaper.

Do I need a visa to travel from Philadelphia to Denver?

Visa requirements depend on your nationality and the purpose of your visit. Since this is a domestic flight, no visa is required for citizens.

What is the time difference between Philadelphia and Denver?

Philadelphia operates on America/New_York time zone, while Denver is in the America/Denver time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.