$69 Find Cheap Southwest Flights from Portland to Denver

When to Book Flights with Southwest from Portland to Denver

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

  Generally, when trying to get a below average price for your ticket, try to book around 18 days before departure. For the cheapest possible price, our data suggests booking 45 days before departure.

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

  With an average price of $252 return, Southwest is not the cheapest airline to fly from Portland to Denver with. Instead, for the lowest price, our data suggests flying with Frontier, where a return flight costs $147 on average.

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

  In the last 3 days, the lowest price for a flight with Southwest from Portland to Denver was $112 for a return flight and $79 for a one-way flight.

• Does Southwest fly direct to Denver from Portland?

  Yes, Southwest does offer direct flights for the route, with around 29 flights per week.

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

  On average, the cheapest day of the week to fly from Portland to Denver with Southwest is Monday, when prices are around $78. The most expensive day is generally Saturday, where the average price is around $98.

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

  The cheapest month for Southwest flights to Denver from Portland is generally February, where plane tickets cost $118 on average. If possible, try to avoid the most expensive months of July and September, where tickets cost $208 and $265 respectively.