The cheapest times to fly from PHL to BOI are
- January 1st to March 4th
- August 6th to November 18th
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from PHL to BOI is early November. Prices can be as high as $1023 for Sunday flights during mid December, or as low as $312 for Tuesday flights around early November.
When to Fly to Boise
Flying from Philadelphia, PA (PHL) to Boise, ID (BOI) will usually cost between $316 to $612 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early November with an average ticket price of $354. Due to high demand the most expensive time to fly is mid December, with an average price of $601. Planning your trip to low-cost times can easily save you $247 on economy flights and even more on first-class flights. Generally, any price below $435 can be considered a good price for a round-trip PHL to BOI flight.
See below for a graph of average weekly prices for the PHL to BOI route. All prices are for round-trip tickets in USD.
Compared to other flights, the PHL to BOI flight is much cheaper than the average and costs much less than the average flight leaving from Philadelphia. The average price per mile (for a direct flight) is $0.13, which is far below average.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to fly to BOI, and Wednesday the cheapest day to fly back into PHL. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $143 (27%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $382. Return trip prices are from the BOI to PHL flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Return Trip Prices by Day
Nonstop Flights and Layovers
Travelers looking to fly from PHL to BOI can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 4 hour 46 minutes may not be realistic.
Flight Questions Answered
Still have questions about flying from PHL to BOI? We’ve got answers.
Which airlines fly this route?
You can find 6 major airlines flying this route most often: Alaska, American, Delta, Frontier, Southwest, United, and potentially more during busy seasons.
How far away is it from Boise Air Terminal Airport to Philadelphia International Airport?
The distance between the two airports is roughly 2107 miles or 3391 kilometers.
How long does it take to fly from PHL to BOI?
The real-world flight time for a nonstop PHL to BOI flight is about 4 hour 46 minutes.
How many flights go between Philadelphia, PA and Boise, ID?
It depends on the day of the week and the date, but a typical day might have around 58 available flights from PHL to BOI.
Airport Location Info
|Origination airport name||Philadelphia International Airport|
|Country||the United States|
|Destination airport name||Boise Air Terminal Airport|
|Country||the United States|
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.