$61 Find Cheap Frontier Flights from Portland to Denver

When to Book Flights with Frontier from Portland to Denver

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

  Generally, when trying to get a below average price for your ticket, try to book around 11 days before departure. For the cheapest possible price, our data suggests booking 50 days before departure.

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

  Yes, based on our data, Frontier is the cheapest airline to fly the route with an average price of $120 return. The next cheapest options are Southwest and Hawaiian Airlines, with return flights costing on average $244 and $253 respectively.

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

  In the last 3 days, the lowest price for a flight with Frontier from Portland to Denver was $139 for a return flight and $88 for a one-way flight.

• Does Frontier fly direct to Denver from Portland?

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

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

  On average, the cheapest day of the week to fly from Portland to Denver with Frontier is Monday, when prices are around $25. The most expensive day is generally Saturday, where the average price is around $44.

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

  The cheapest month for Frontier flights to Denver from Portland is generally January, where plane tickets cost $55 on average. If possible, try to avoid the most expensive months of April and March, where tickets cost $108 and $125 respectively.