₪366 Find Cheap Flights from Philadelphia to Denver - Compare and Save

Among airlines operating Philadelphia to Denver flights:

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

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

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

• United Airlines
• American Airlines
• Southwest
• Frontier

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

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

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

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

On this route, layover flights are cheaper than direct options on average. Layover fares average ₪479 round-trip via Tampa (TPA), compared to ₪1,159 for direct flights.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge ₪121–₪302 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.

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

• Atlanta Hartsfield-Jackson (ATL) - 42% of one-stop connections
• Boston Logan Intl (BOS) - 20% of one-stop connections
• Minneapolis St Paul (MSP) - 11% of one-stop connections
• Dallas/Fort Worth (DFW) - 5% of one-stop connections

Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

On the Philadelphia to Denver route, being flexible with your departure day can save you up to 19%. Saturday is the cheapest day at ₪1,051 round-trip on average, while Sunday is the most expensive at ₪1,290 – a ₪239 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

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, 19% of flights were delayed in the past 3 months, with delays averaging 2 hours 39 minutes.

Morning is the busiest departure period on Philadelphia to Denver flights, with 56% of flights leaving in that window. Afternoon departures account for 22%, evening flights for 22%, and night flights for 0%.

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

• Earliest: departs at 05:00 and lands at 09:16
• Latest: departs at 20:38 and lands at 00:54.

The flight takes about 4h 16m.

Last-minute fares on this route - booked within 2 weeks of departure - run 20% above the route average of ₪1,123. Book 5 weeks before departure for the lowest fares.

A nonstop flight from Philadelphia to Denver takes 4h 16m, covering 4,021 km.

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.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about ₪761 to ₪6,549. That means the highest observed fare was about 9x higher than the lowest one.

One-way fares from Philadelphia to Denver are currently lower than usual. Average one-way flight prices are about ₪508, which is 23% below the typical average for this route.

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 81% of the time.

Night flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Chicago Midway (MDW) gives the shortest average 1-stop total travel time at 5h 43m, compared with 6h 17m via Detroit Metropolitan Wayne County (DTW) and 7h 12m 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.

Denver Intl Airport (DEN) hosts 5 major car rental companies, with daily rates starting from around ₪47 for economy cars. Top options include:
• Routes Car & Truck Rentals
• Ace
• NU Car
• Europcar
• Hertz

Round-trip flights from Philadelphia to Denver range from ₪818 to ₪1,454, with an average of ₪1,123 over the past 12 months. Anything below ₪818 counts as a good deal.

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.