$95 Find Cheap Southwest Flights from Denver to Philadelphia

When to Book Flights with Southwest from Denver to Philadelphia

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

  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 76 days before departure.

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

  With an average price of $362 return, Southwest is not the cheapest airline to fly from Denver to Philadelphia with. Instead, for the lowest price, our data suggests flying with Frontier, where a return flight costs $236 on average.

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

  In the last 3 days, the lowest price for a flight with Southwest from Denver to Philadelphia was $159 for a return flight and $79 for a one-way flight.

• Does Southwest fly direct to Philadelphia from Denver?

  Yes, Southwest does offer direct flights for the route, with around 3 flights per week.

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

  On average, the cheapest day of the week to fly from Denver to Philadelphia with Southwest is Monday, when prices are around $79. The most expensive day is generally Thursday, where the average price is around $138.

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

  The cheapest month for Southwest flights to Philadelphia from Denver is generally August, where plane tickets cost $153 on average. If possible, try to avoid the most expensive months of February and November, where tickets cost $282 and $290 respectively.