PHL - BOI

$156 Find Cheap Flights from Philadelphia to Boise - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$311
Typical prices: $351-$639
American Airlines
Wed 12/5Wed 12/12
PHL - BOI • 1 stop
Cheapest one-way
$156
Typical prices: $218-$372
Delta
Thu 1/18
PHL - BOI • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Philadelphia and Boise. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
15 weeks
in advance
Our data shows that travelers who book at least 15 weeks in advance save around 58% compared to booking last minute.
Insights
Insights
When to travel
November
Cheapest • 27% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Seattle/Tacoma Intl (SEA)
Cheapest • Avg $454 (round-trip)
Chicago Midway (MDW)
Shortest trip • 6h 45m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Boise!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Philadelphia to Boise (PHL-BOI)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Philadelphia to Boise

Sat, Dec 5 - Sat, Dec 12
American Airlines Logo
5:00 am - 1:55 pmPHL  Philadelphia-BOI Boise Air Term. Gowen Fld
10h 55m1 stop Dallas/Fort Worth
American Airlines Logo
1:39 pm - 12:24 amBOI  Boise Air Term. Gowen Fld-PHL Philadelphia
8h 45m1 stop Chicago O'Hare Intl
$311American Airlines
Thu, Jan 14 - Thu, Jan 21
American Airlines Logo
1:20 pm - 9:05 pmPHL  Philadelphia-BOI Boise Air Term. Gowen Fld
9h 45m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
12:28 pm - 10:59 pmBOI  Boise Air Term. Gowen Fld-PHL Philadelphia
8h 31m1 stop Phoenix Sky Harbor Intl
$311American Airlines
Wed, Jan 27 - Sat, Jan 30
Delta Logo
7:00 am - 12:17 pmPHL  Philadelphia-BOI Boise Air Term. Gowen Fld
7h 17m1 stop Salt Lake City
Delta Logo
3:05 pm - 11:53 pmBOI  Boise Air Term. Gowen Fld-PHL Philadelphia
6h 48m1 stop Minneapolis St Paul
$311Delta
Fri, Dec 4 - Fri, Dec 11
Delta Logo
5:34 am - 12:42 pmPHL  Philadelphia-BOI Boise Air Term. Gowen Fld
9h 08m1 stop Minneapolis St Paul
Delta Logo
1:47 pm - 12:57 amBOI  Boise Air Term. Gowen Fld-PHL Philadelphia
9h 10m1 stop Atlanta Hartsfield-Jackson
$311Delta
Wed, Dec 2 - Tue, Dec 8
Alaska Airlines Logo
6:11 pm - 9:30 amPHL  Philadelphia-BOI Boise Air Term. Gowen Fld
17h 19m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
2:05 pm - 5:40 amBOI  Boise Air Term. Gowen Fld-PHL Philadelphia
13h 35m1 stop Seattle/Tacoma Intl
$311Alaska Airlines
Sat, Feb 13 - Sat, Feb 20
Southwest Logo
5:05 am - 10:40 amPHL  Philadelphia-BOI Boise Air Term. Gowen Fld
7h 35m1 stop Denver Intl
Southwest Logo
5:05 am - 5:15 pmBOI  Boise Air Term. Gowen Fld-PHL Philadelphia
10h 10m2 stops Phoenix Sky Harbor Intl Dallas Love Field
$316Southwest
Wed, Feb 3 - Wed, Feb 10
Southwest Logo
5:15 pm - 11:10 pmPHL  Philadelphia-BOI Boise Air Term. Gowen Fld
7h 55m1 stop Denver Intl
Southwest Logo
2:50 pm - 12:15 amBOI  Boise Air Term. Gowen Fld-PHL Philadelphia
7h 25m1 stop Denver Intl
$341Southwest
Sat, Dec 12 - Mon, Dec 14
Alaska Airlines Logo
7:00 am - 2:19 pmPHL  Philadelphia-BOI Boise Air Term. Gowen Fld
9h 19m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:45 pm - 5:40 amBOI  Boise Air Term. Gowen Fld-PHL Philadelphia
7h 55m1 stop Seattle/Tacoma Intl
$355Alaska Airlines
Sun, Feb 7 - Sun, Feb 14
United Airlines Logo
6:15 am - 2:52 pmPHL  Philadelphia-BOI Boise Air Term. Gowen Fld
10h 37m2 stops Washington, D.C. Dulles Intl San Francisco
United Airlines Logo
2:35 pm - 11:43 pmBOI  Boise Air Term. Gowen Fld-PHL Philadelphia
7h 08m1 stop Denver Intl
$404United Airlines
Sun, Jan 17 - Sun, Jan 24
United Airlines Logo
6:15 am - 2:52 pmPHL  Philadelphia-BOI Boise Air Term. Gowen Fld
10h 37m2 stops Washington, D.C. Dulles Intl San Francisco
United Airlines Logo
6:20 am - 5:44 pmBOI  Boise Air Term. Gowen Fld-PHL Philadelphia
9h 24m2 stops Denver Intl Chicago O'Hare Intl
$432United Airlines
Booking Insights

Price, demand and travel trends for Philadelphia to Boise flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Philadelphia to Boise?

Round-trip flights from Philadelphia to Boise typically range from $351 to $639. The lowest price found in the past 5 days was $311, on American Airlines.

What's the cheapest day of the week to fly from Philadelphia to Boise?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Philadelphia to Boise. It’s 21% cheaper than the average day, while Monday is the most expensive, with prices 40% higher.

What’s the cheapest month to fly from Philadelphia to Boise?

•November is the cheapest month to fly from Philadelphia to Boise at $352 round-trip.
•February ($628) and December ($616) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 78% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Philadelphia to Boise the cheapest?

Flights from Philadelphia to Boise are cheapest 15 weeks before departure. Booking in this window typically costs about 58% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Philadelphia to Boise flights

Low season

February

Cheapest flight

$156
Beat the crowds with an average 52% drop in travelers.
The most popular month to fly with an average 56% increase in travelers.
One-way flight from Philadelphia to Boise

When to book flights from Philadelphia to Boise

Are your dates flexible? Find out the best times to travel from Philadelphia to Boise based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Philadelphia to Boise flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Philadelphia to Boise?

    Three cabin classes are available on flights from Philadelphia to Boise:

    • Economy Class
    • Premium Economy Class
    • First Class

  • How long is a flight from Philadelphia to Boise?

    A nonstop flight from Philadelphia to Boise takes 00m, covering 2,106 miles.

  • Do I need a passport to fly from Philadelphia to Boise?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Philadelphia to Boise flight?

    Round-trip flights from Philadelphia to Boise range from $351 to $639, with an average of $484 over the past 12 months. Anything below $351 counts as a good deal.

  • How expensive are last-minute Philadelphia to Boise flights?

    Last-minute fares on this route (booked within two weeks of departure) run 51% above the $484 route average. Book 15 weeks before departure for the lowest fares.

  • Have flight prices from Philadelphia to Boise changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $311 to $1,660. That means the highest observed fare was about 5x higher than the lowest one.

  • How are flight prices from Philadelphia to Boise looking right now?

    One-way fares from Philadelphia to Boise are currently in line with typical prices for this route. Average one-way fares are about $292.

  • What car rental options are available at Boise Air Term. Gowen Fld Airport (BOI)?

    Boise Air Term. Gowen Fld Airport (BOI) hosts 5 major car rental companies, with daily rates averaging $84 for economy cars. Top options include:

    • Budget
    • Alamo
    • Hertz
    • Enterprise Rent-A-Car
    • Avis

  • Which airports can I use when flying from Philadelphia to Boise?

    Flights from Philadelphia to Boise usually depart from Philadelphia (PHL) and arrive at Boise Air Term. Gowen Fld (BOI).

  • Which airports do connecting flights from Philadelphia to Boise pass through?

    One-stop flights from Philadelphia to Boise most commonly connect through:

    • Denver Intl (DEN) - 44% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 20% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 10% of one-stop connections
    • Minneapolis St Paul (MSP) - 7% of one-stop connections

  • Can I save money by using flexible dates for flights from Philadelphia to Boise?

    Yes. Flexible dates can save you up to 44% on flights from Philadelphia to Boise. Tuesday is the cheapest departure day at $387 round-trip on average, while Monday is the most expensive at $679, a difference of $292.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Philadelphia to Boise?

    Flying via Chicago Midway (MDW) gives the shortest average 1-stop total travel time at 6h 45m, compared with 7h 23m via Salt Lake City (SLC) and 7h 24m via Minneapolis St Paul (MSP).

  • What is the time difference between Philadelphia and Boise?

    Boise is 2 hours behind Philadelphia (Mountain Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Boise?

    Some of the most popular sights in Boise are Idaho Central Arena, Julia Davis Park and Discovery Center of Idaho. These are among the most viewed places in Boise on KAYAK.

Your guide to booking Philadelphia to Boise flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Monday. On this route, Tuesday flights average $387, about $292 less than Monday fares (43% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 15 weeks before you fly. On this route, that window historically saves about 58% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Philadelphia to Boise trip for November. Fares historically average $352 round-trip in that month - typically $276 less than the most expensive month, which is February (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Boise Air Term. Gowen Fld Airport.

    • Ramada by Wyndham Boise
    • Super 8 by Wyndham Boise
    • Comfort Suites Airport

More options for your flight from Philadelphia to Boise

Complete your trip to Boise with a hotel stay or car rental

Car rentals in Boise
Hotels in Boise
Vacations in Boise