Direct flights from Denver to Philadelphia DEN → PHL
American Airlines, Frontier Airlines, Southwest Airlines and United Airlines operate nonstop flights from Denver (DEN) to Philadelphia (PHL). The nonstop flight takes around ~3h 8m, covering 1,553 miles (2,500 km) and operates multiple daily. Round-trip fares currently start at $190, with a typical fare around $401 across 600 recent fare combinations. Updated 28 June 2026.
60-day flexibility overview based on 600 recent fares across the next 60 days
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American Airlines
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Frontier Airlines
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United Airlines
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Southwest Airlines
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Departure Schedule next 7 days
Scheduled departures over the next 7 days · Updated 23d ago
American Airlines
Frontier Airlines
United Airlines
Southwest Airlines
Frequently asked questions
Is there a direct flight from Denver to Philadelphia?
Yes, American Airlines, Frontier Airlines and 2 more airlines operate nonstop flights from Denver (DEN) to Philadelphia (PHL).
Which airlines fly direct from Denver to Philadelphia?
American Airlines, Frontier Airlines, Southwest Airlines, United Airlines operate nonstop flights from Denver to Philadelphia.
How long is the flight from Denver to Philadelphia?
The nonstop flight from Denver to Philadelphia takes ~3h 8m (approximately 2500 km).
How often do direct flights operate from Denver to Philadelphia?
Nonstop flights from Denver to Philadelphia operate multiple daily.
How much is a round-trip flight from Denver to Philadelphia?
Round-trip flights from Denver (DEN) to Philadelphia (PHL) start at $190, with a typical fare around $401. Based on 600 recent fare combinations.