$159 Find Cheap Flights from Philadelphia to Denver - Compare and Save

These are the earliest and latest flight times available from Philadelphia to Denver:

• Earliest: departs at 5:00 am and lands at 9:21 am
• Latest: departs at 8:38 pm and lands at 12:59 am.

The flight takes about 4h 21m.

Four cabin classes are available on flights from Philadelphia to Denver:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

A nonstop flight from Philadelphia to Denver takes 4h 21m, covering 1,553 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Philadelphia to Denver range from $290 to $494, with an average of $387 over the past 12 months. Anything below $290 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 25% above the $387 route average. Book 5 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $172 round-trip via Las Vegas Harry Reid Intl (LAS), compared to $398 for nonstop.

United Airlines is slightly above the route average for timely arrivals, while American Airlines has a lower on-time arrival rate. On-time arrival rates on Philadelphia to Denver flights are:

• United Airlines: 87% on time
• American Airlines: 80% on time
• Frontier: 78% on time

Overall, flights on this route are punctual 80% of the time on average.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737-800 family is used most often on this route, operated mainly by United Airlines and American Airlines. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

Morning is the busiest departure period on Philadelphia to Denver flights, with 63% of flights leaving in that window. Afternoon departures account for 25%, evening flights for 12%, and night flights for 0%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $243 to $1,756. That means the highest observed fare was about 7x higher than the lowest one.

Two airlines offer in-flight Wi-Fi on Philadelphia to Denver flights:

• American Airlines
• JetBlue

Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

One-way fares from Philadelphia to Denver are currently lower than usual. Average one-way flight prices are about $162, which is 31% below the typical average for this route.

Denver Intl Airport (DEN) hosts 5 major car rental companies, with daily rates starting from around $15 for economy cars. Top options include:

• Routes Car & Truck Rentals
• Ace
• Europcar
• NU Car
• Hertz

Flights from Philadelphia to Denver usually depart from Philadelphia (PHL) and arrive at Denver Intl (DEN).

Night flights have the fewest delays on this route, while afternoon departures tend to have the most.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Philadelphia to Denver route, 20% of flights were delayed in the past 3 months, with delays averaging 2h 38m.

One-stop flights from Philadelphia to Denver most commonly connect through:

• Atlanta Hartsfield-Jackson (ATL) - 57% of one-stop connections
• Boston Logan Intl (BOS) - 15% of one-stop connections
• Minneapolis St Paul (MSP) - 6% of one-stop connections
• Chicago O'Hare Intl (ORD) - 5% of one-stop connections

Yes. Flexible dates can save you up to 17% on flights from Philadelphia to Denver. Saturday is the cheapest departure day at $366 round-trip on average, while Sunday is the most expensive at $438, a difference of $72.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

4 airlines operate flights between Philadelphia and Denver. The airlines offering nonstop flights on this route include:

• United Airlines
• Southwest
• American Airlines
• Frontier

Flying via Lambert-St Louis (STL) gives the shortest average 1-stop total travel time at 5h 19m, compared with 5h 43m via Chicago Midway (MDW) and 5h 51m via Minneapolis St Paul (MSP).

Denver is 2 hours behind Philadelphia (Mountain Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Denver are Colorado Convention Center, Coors Field and Ball Arena. These are among the most viewed places in Denver on KAYAK.

Among airlines operating Philadelphia to Denver flights:

• American Airlines: offers extra legroom; offers free seat selection
• United Airlines: offers extra legroom; offers free seat selection
• Frontier: offers free seat selection
• Southwest: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• American Airlines: a cabin bag and a checked bag in Economy Class
• United Airlines: a cabin bag and a checked bag in Economy Class
• Frontier: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Yes, PHL has several Nursing Mother’s Stations that can be used in 30-minute increments.

Travelers can reach Philadelphia International Airport (PHL) by SEPTA Airport Regional Rail Line trains, three SEPTA bus routes or taxi. Trains and buses serve the airport, while taxis are a practical option for travelers who are not near rail or bus stops, have lots of luggage or are in a rush.

Yes, travelers can rent a car at DEN. The airport has on-site locations for more than 10 car rental companies. Each agency provides a shuttle from Jeppesen Terminal, with pickup and drop-off on Level 5, Island 4.

Prayer spaces at Denver International Airport (DEN) include the Interfaith Chapel and the Islamic Prayer Room, both on the east side of the Jeppesen Terminal. Both are open seven days a week from 6 a.m. to 8 p.m.

Denver International Airport (DEN) has several private nursing rooms. Three are located post-security at the center of the airport's concourses. Others are in the center of Jeppesen Terminal on Level 5 near Arrivals and at Center Core B. Additional nursing rooms are also located in Jeppesen Terminal and near A19, A27, A79, B11, B65, C55 and C61.

Yes, travelers can leave a car in the Economy Parking Lot for the duration of a trip. Shuttle buses connect the lot to the terminal 24 hours a day. Availability is limited, so pre-booking is recommended.