$90 Find Cheap Southwest Flights from Philadelphia to Denver

When to Book Flights with Southwest from Philadelphia to Denver

• How far in advance should I book tickets for a flight with Southwest from Philadelphia to Denver?

  Generally, when trying to get a below average price for your ticket, try to book around 9 days before departure. For the cheapest possible price, our data suggests booking 56 days before departure.

• Is Southwest the cheapest airline to fly with from Philadelphia to Denver?

  With an average price of $340 return, Southwest is not the cheapest airline to fly from Philadelphia to Denver with. Instead, for the lowest price, our data suggests flying with Allegiant Air, where a return flight costs $194 on average.

• What is the cheapest Southwest flight from Philadelphia to Denver?

  In the last 3 days, the lowest price for a flight with Southwest from Philadelphia to Denver was $159 for a return flight and $86 for a one-way flight.

• Does Southwest fly direct to Denver from Philadelphia?

  Yes, Southwest does offer direct flights for the route, with around 16 flights per week.

• What’s the cheapest day of the week to fly from Philadelphia to Denver with Southwest?

  On average, the cheapest day of the week to fly from Philadelphia to Denver with Southwest is Tuesday, when prices are around $70. The most expensive day is generally Saturday, where the average price is around $160.

• What’s the cheapest month to fly from Philadelphia to Denver with Southwest?

  The cheapest month for Southwest flights to Denver from Philadelphia is generally August, where plane tickets cost $183 on average. If possible, try to avoid the most expensive months of June and December, where tickets cost $246 and $265 respectively.