£118 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 05:00 and lands at 09:20
• Latest: departs at 20:38 and lands at 00:58.

The flight takes about 4h 20m.

Only Economy class is available on flights from Philadelphia to Denver.

A direct flight from Philadelphia to Denver takes 4h 20m, covering 1,553 miles.

No, a passport is not required for this domestic route, but you will need another form of identification, such as a driving licence.

Return flights from Philadelphia to Denver range from £219 to £373, with an average of £293 over the past 12 months. Anything below £219 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 25% above the £293 route average. Book 5 weeks before departure for the lowest fares.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average £130 return via Las Vegas Harry Reid Intl (LAS), compared with £301 for direct.

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

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

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £30–£76 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% leaving in that window. Afternoon departures account for 25%, Evening flights for 12%, and Night flights for 0%.

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 programme, while 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 £130, which is 27% below the typical average for this route.

Denver Intl Airport (DEN) hosts 5 major car hire companies, with daily rates starting from around £11 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 three 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 £277 return on average, while Sunday is the most expensive at £331, a difference of £54.

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 direct 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 of 5h 19m, compared to 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, Hyatt Regency Denver at Colorado Convention Center, and Coors Field. 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

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