Cheap Flights from Philadelphia to Boise Starting at $142

A direct flight is the most convenient and comfortable way to fly from Philadelphia to Boise, despite the fact that sometimes flights with transfers can cost significantly less.

You can fly from Philadelphia to Boise with Southwest Airlines. It is the only carrier on this route, which makes the choice straightforward. Despite the lack of competition, ticket prices remain affordable: fares start from $142. Our service helps you track price changes, compare by dates, and select the most suitable flight. If you value stability and predictability, flying with Southwest Airlines is a convenient solution. We make it easy to find good deals and ensure a comfortable booking process.

We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Philadelphia to Boise