Cheap Flights from Philadelphia (PHL) to Boise (BOI)

Popular airlines from Philadelphia International Airport (PHL) to Boise Airport (BOI)

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Cheap Flights from Philadelphia (PHL) to Boise (BOI)

Prices were available within the past 7 days and start at for one-way flights and £345 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, 21 Aug - Thu, 28 Aug
PHL
Philadelphia
BOI
Boise
£345 Return, found 3 days ago
£345
Return
found 3 days ago
Select Alaska Airlines flight, departing Thu, 21 Aug from Philadelphia to Boise, returning Thu, 28 Aug, priced at £345 found 3 days ago
Alaska Airlines
Thu, 21 Aug - Thu, 28 Aug
PHL
Philadelphia
BOI
Boise
£612 Return, found 3 days ago
£612
Return
found 3 days ago
Select Alaska Airlines flight, departing Thu, 21 Aug from Philadelphia to Boise, returning Thu, 28 Aug, priced at £612 found 3 days ago
Alaska Airlines
Thu, 21 Aug - Thu, 28 Aug
PHL
Philadelphia
BOI
Boise
£627 Return, found 3 days ago
£627
Return
found 3 days ago
Select Alaska Airlines flight, departing Thu, 21 Aug from Philadelphia to Boise, returning Thu, 28 Aug, priced at £627 found 3 days ago

Find the cheapest month to fly from Philadelphia (PHL) to Boise (BOI)

April is typically the cheapest month to fly

From £140 - £386 per traveller.

Graph displaying average flight prices per month

Flight from Philadelphia to Boise route information
Origin airport
Philadelphia Intl.
Destination airport
Boise
Return price
£344
Distance
3371 km

Compare flights from Philadelphia to Boise easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Philadelphia to Boise. Operating between them flights per day, 3 airlines cover the route. And fly direct, getting you to Boise in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Philadelphia Intl. to Boise.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Philadelphia Intl. (PHL) to Boise (BOI)

The easiest way to view the best deals on flights from Philadelphia to Boise today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Philadelphia Intl. to Boise start at just £345 and range up to £627.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Philadelphia and Boise
  • booking your flight during August, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Philadelphia to Boise flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Philadelphia Intl. to Boise for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Philadelphia Airport to BOI?
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 £345. 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.
Do I need to pay a cancellation fee if I cancel my flight from Philadelphia Airport to Boise Airport (BOI)?
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.
How do I find cheap flights from Philadelphia Airport to Boise Airport (BOI) that have flexible change policies?
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.
How far is the flight from Philadelphia Airport to Boise Airport (BOI)?
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.
Which airlines fly direct from PHL to Boise Airport?
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.
Are PHL to Boise Airport (BOI) flight tickets cheaper when they're purchased at the last minute?
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.

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