$43 Find Cheap Frontier Flights from Phoenix Sky Harbor Intl Airport to Seattle

When to Book Flights with Frontier from Phoenix Sky Harbor Intl Airport to Seattle

• How far in advance should I book tickets for a flight with Frontier from Phoenix Sky Harbor Intl Airport to Seattle?

  Generally, when trying to get a below average price for your ticket, try to book around 16 days before departure. For the cheapest possible price, our data suggests booking 55 days before departure.

• Is Frontier the cheapest airline to fly with from Phoenix Sky Harbor Intl Airport to Seattle?

  Yes, based on our data, Frontier is the cheapest airline to fly the route with an average price of $127 return. The next cheapest options are Undisclosed Carrier and Hawaiian Airlines, with return flights costing on average $178 and $191 respectively.

• What is the cheapest Frontier flight from Phoenix Sky Harbor Intl Airport to Seattle?

  In the last 3 days, the lowest price for a flight with Frontier from Phoenix Sky Harbor Intl Airport to Seattle was $106 for a return flight and $79 for a one-way flight.

• Does Frontier fly direct to Seattle from Phoenix Sky Harbor Intl Airport?

  No, Frontier does not fly the route directly.

• What’s the cheapest day of the week to fly from Phoenix Sky Harbor Intl Airport to Seattle with Frontier?

  On average, the cheapest day of the week to fly from Phoenix Sky Harbor Intl Airport to Seattle with Frontier is Tuesday, when prices are around $26. The most expensive day is generally Sunday, where the average price is around $39.

• What’s the cheapest month to fly from Phoenix Sky Harbor Intl Airport to Seattle with Frontier?

  The cheapest month for Frontier flights to Seattle from Phoenix Sky Harbor Intl Airport is generally August, where plane tickets cost $49 on average. If possible, try to avoid the most expensive months of April and January, where tickets cost $140 and $173 respectively.