$139 Find Cheap Alaska Airlines Flights from Philadelphia to Seattle

When to Book Flights with Alaska Airlines from Philadelphia to Seattle

• How far in advance should I book tickets for a flight with Alaska Airlines from Philadelphia to Seattle?

  Generally, when trying to get a below average price for your ticket, try to book around 13 days before departure. For the cheapest possible price, our data suggests booking 55 days before departure.

• Is Alaska Airlines the cheapest airline to fly with from Philadelphia to Seattle?

  With an average price of $483 return, Alaska Airlines is not the cheapest airline to fly from Philadelphia to Seattle with. Instead, for the lowest price, our data suggests flying with Frontier, where a return flight costs $235 on average.

• What is the cheapest Alaska Airlines flight from Philadelphia to Seattle?

  In the last 3 days, the lowest price for a flight with Alaska Airlines from Philadelphia to Seattle was $320 for a return flight and $147 for a one-way flight.

• Does Alaska Airlines fly direct to Seattle from Philadelphia?

  Yes, Alaska Airlines does offer direct flights for the route, with around 5 flights per week.

• What’s the cheapest day of the week to fly from Philadelphia to Seattle with Alaska Airlines?

  On average, the cheapest day of the week to fly from Philadelphia to Seattle with Alaska Airlines is Monday, when prices are around $138. The most expensive day is generally Sunday, where the average price is around $168.

• What’s the cheapest month to fly from Philadelphia to Seattle with Alaska Airlines?

  The cheapest month for Alaska Airlines flights to Seattle from Philadelphia is generally February, where plane tickets cost $168 on average. If possible, try to avoid the most expensive months of January and December, where tickets cost $378 and $378 respectively.