S$402 Cheap Flights from Philadelphia to Boise

Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip journey between PHL and BOI was S$804. Fares this good don’t stick around for long, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.

The majority of flights can be cancelled online, but every air carrier has different terms and conditions. If you do decide to cancel your flight, visit our Customer Service Portal and follow the instructions.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for PHL to BOI flights, you’ll see a “no change fees” filter for you to select.

It’s around 3,400 kilometres between Philadelphia and Boise, so expect to be flying for a while. Keep yourself entertained by packing things like your e-reader or a gripping book.

Unfortunately, there aren’t any airlines that directly fly between PHL and Boise Airport (BOI). You’ll have to book a flight with at least one stop.

Late planners can sometimes pick up a bargain, with some of the cheapest airfares from Philadelphia Airport to BOI popping up a few weeks before the date of departure. If you’d rather book ahead of time, Expedia compares and updates all the best flight deals frequently — as early as a year in advance in some cases. It does depend on the carrier though, as not every airline releases prices that far in advance.