$125 Cheap JetBlue Airways flights Philadelphia (PHL) to Denver (DEN)

Make use of the “Price (lowest to highest)” filter on Expedia to search for cheap JetBlue Airways return flights from $223 from PHL to DEN. Affordable one-way fares from $125 are also available.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Browse for round-trip or one-way flights to Denver in January or November. You could find an affordable fare with JetBlue Airways during these off-peak months.

Begin your search one to three months before your departure to get cheap fares on JetBlue Airways flights from Philadelphia Intl. Airport (PHL) to Denver Intl. Airport (DEN). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get the timing right, and you can enjoy significant savings on domestic trips.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Select our “Nonstop” filter when looking for direct JetBlue Airways flights from PHL to DEN. You can also compare other carriers servicing the same nonstop journey.

To find the earliest departures from PHL to DEN with JetBlue Airways, sort your results by “Morning” and “Early Morning.” Choosing an early flight generally means cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Denver Intl. Airport (DEN) is the main Denver gateway for JetBlue Airways flights from Philadelphia Intl. Airport (PHL).

Changes are typically free within 24 hours of making a booking, but your airline may charge a fee after that time. For further details about altering your reservation, go to your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to make changes without extra charges, check the “No cancel fee” or “Changes included” filter when planning your next break.