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Find the best Philadelphia to Denver flights fast — our engine searches over 700 airlines, 50+ agencies and 5+ top booking systems to uncover the cheapest fares, ideal schedules and flexible conditions. Compare nonstop and connecting options in seconds and book with confidence knowing you’re seeing the widest market coverage for this route.
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Philadelphia to Denver:
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More than 4 airlines operate flights from Philadelphia to Denver, including Southwest Airlines, JetBlue Airways, Frontier Airlines, and Sun Country Airlines. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $117, and our service lets you instantly compare all options. The variety of offers simplifies planning: you can choose budget fares or more comfortable options with baggage included or extra services. We help you find the best deals so your trip is cost-efficient.
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Philadelphia — Denver
01/17/2026
Departure
Direct flight
WN2196
starting at $560
Philadelphia — Denver
05/29/2026
Departure
Direct flight
WN2557
starting at $210
Philadelphia — Denver
09/20/2026
Departure
Direct flight
WN4335
starting at $140
Unable to find information about the schedule of direct flights from
The cheapest one-way flight from Philadelphia to Denver departs on 09/20/2026, is operated by JetBlue Airways and costs $117
The cheapest roundtrip flight from Philadelphia to Denver departs on 01/25/2026, is operated by Frontier Airlines and costs $108
Fastest flight from Philadelphia to Denver takes 7h 13m
There are direct flights on this route 3 days a week: Su, Fr, and Sa
The distance between Philadelphia and Denver is 2533km (1570 miles). There are 64 direct flights from Philadelphia to Denver. The time difference between Philadelphia and Denver is 2h. Flights from Philadelphia begin at 5:00 AM. The latest flight from Philadelphia departs at 7:40 PM
Philadelphia International (PHL) is the region’s primary gateway and a mid‑sized international hub, serving legacy carriers like American Airlines alongside a mix of national and low‑cost operators. It’s about 8 miles southwest of downtown Philly; travel by SEPTA Airport Line takes roughly 25–30 minutes and usually costs in the single‑digit dollars, while taxis or rideshares can be 20–35 minutes depending on traffic and typically cost more. Ground transport also includes shuttles and rental cars. Pros: direct connections, on‑site amenities and quick rail access to center. Cons: peak‑hour road congestion and the terminal cluster can mean longer walks or waits at security.
Fly nonstop from Philadelphia to Denver for the fastest, most convenient way to reach Colorado’s mile-high city — fewer delays, no layovers, and more time to enjoy the scenery. While connecting options can sometimes be cheaper, a direct flight saves hours and offers a smoother, more comfortable travel experience, making it a smart choice for both business and leisure trips.
Denver International Airport (DEN) is the region’s primary international hub, serving a mix of legacy carriers and low-cost airlines — you’ll commonly find United, Southwest and Frontier among the busiest operators. Located about 25 miles (40 km) northeast of downtown Denver, travel times can range from 35–60 minutes by car depending on traffic. Public transit includes the A Line commuter train (roughly 37 minutes to Union Station) and regional buses; fares typically run in a modest range compared with taxi or rideshare. DEN’s strengths are its extensive route network and modern facilities, while longer transfers and sometimes lengthy walks between concourses can be less convenient for tight connections.
The cheapest flight ticket from Philadelphia to Denver according to data for the last 48 hours costs $117
Often the best time to buy tickets from Philadelphia to Denver is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Philadelphia to Denver can be found flying in these months: January.
The fastest flights from Philadelphia to Denver start from 7 hours 13 minutes in the air.
The following airlines operate direct flights on the route Philadelphia — Denver: Southwest Airlines
We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Philadelphia to Denver
We couldn't find any special offers for flights from Philadelphia to Denver