PHL - BOI

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

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$283
Typical prices: $360-$625
Alaska Airlines, Frontier
Mon 10/22Fri 10/26
PHL - BOI • 1 stop
Cheapest one-way
$156
Typical prices: $213-$372
Delta
Sat 10/20
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 54% compared to booking last minute.
Insights
Insights
When to travel
October
Cheapest • 23% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Chicago O'Hare Intl (ORD)
Cheapest • Avg $445 (round-trip)
Chicago Midway (MDW)
Shortest trip • 6h 44m (one-way)
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Insights
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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

Thu, Oct 22 - Mon, Oct 26
Multiple Airlines Logo
6:41 pm - 9:56 amPHL  Philadelphia-BOI Boise Air Term. Gowen Fld
17h 15m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
2:50 pm - 7:18 amBOI  Boise Air Term. Gowen Fld-PHL Philadelphia
14h 28m1 stop Las Vegas Harry Reid Intl
$283Multiple Airlines
Tue, Jan 19 - Mon, Jan 25
Delta Logo
7:00 am - 12:17 pmPHL  Philadelphia-BOI Boise Air Term. Gowen Fld
7h 17m1 stop Salt Lake City
Delta Logo
3:22 pm - 11:40 pmBOI  Boise Air Term. Gowen Fld-PHL Philadelphia
6h 18m1 stop Minneapolis St Paul
$291Delta
Tue, Jan 19 - Mon, Jan 25
American Airlines Logo
9:00 am - 4:04 pmPHL  Philadelphia-BOI Boise Air Term. Gowen Fld
9h 04m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
12:29 pm - 10:59 pmBOI  Boise Air Term. Gowen Fld-PHL Philadelphia
8h 30m1 stop Phoenix Sky Harbor Intl
$311American Airlines
Wed, Oct 14 - Sat, Oct 17
American Airlines Logo
7:25 am - 2:33 pmPHL  Philadelphia-BOI Boise Air Term. Gowen Fld
9h 08m1 stop Chicago O'Hare Intl
American Airlines Logo
2:41 pm - 12:25 amBOI  Boise Air Term. Gowen Fld-PHL Philadelphia
7h 44m1 stop Dallas/Fort Worth
$311American Airlines
Sat, Oct 17 - Sat, Oct 24
United Airlines Logo
6:10 am - 11:28 amPHL  Philadelphia-BOI Boise Air Term. Gowen Fld
7h 18m1 stop Chicago O'Hare Intl
United Airlines Logo
8:08 am - 7:24 pmBOI  Boise Air Term. Gowen Fld-PHL Philadelphia
9h 16m1 stop Chicago O'Hare Intl
$311United Airlines
Mon, Nov 2 - Mon, Nov 9
Alaska Airlines Logo
7:02 am - 3:24 pmPHL  Philadelphia-BOI Boise Air Term. Gowen Fld
10h 22m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
10:49 am - 5:32 amBOI  Boise Air Term. Gowen Fld-PHL Philadelphia
16h 43m1 stop Seattle/Tacoma Intl
$311Alaska Airlines
Wed, Oct 14 - Sat, Oct 17
Delta Logo
7:16 pm - 11:59 pmPHL  Philadelphia-BOI Boise Air Term. Gowen Fld
6h 43m1 stop Minneapolis St Paul
Delta Logo
5:59 pm - 5:43 amBOI  Boise Air Term. Gowen Fld-PHL Philadelphia
9h 44m1 stop Seattle/Tacoma Intl
$311Delta
Thu, Nov 5 - Tue, Nov 10
United Airlines Logo
6:15 am - 1:45 pmPHL  Philadelphia-BOI Boise Air Term. Gowen Fld
9h 30m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
12:31 pm - 11:09 pmBOI  Boise Air Term. Gowen Fld-PHL Philadelphia
8h 38m1 stop Chicago O'Hare Intl
$316United Airlines
Tue, Jan 19 - Mon, Jan 25
Southwest Logo
1:15 pm - 11:05 pmPHL  Philadelphia-BOI Boise Air Term. Gowen Fld
11h 50m2 stops Lambert-St Louis Denver Intl
Southwest Logo
2:30 pm - 11:25 pmBOI  Boise Air Term. Gowen Fld-PHL Philadelphia
6h 55m1 stop Denver Intl
$338Southwest
Thu, Jan 28 - Mon, Feb 1
Southwest Logo
5:20 am - 11:00 amPHL  Philadelphia-BOI Boise Air Term. Gowen Fld
7h 40m1 stop Denver Intl
Southwest Logo
11:40 am - 11:25 pmBOI  Boise Air Term. Gowen Fld-PHL Philadelphia
9h 45m2 stops Las Vegas Harry Reid Intl Denver Intl
$338Southwest
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 from Philadelphia to Boise with more confidence.

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

Tuesday is the cheapest day of the week to fly from Philadelphia to Boise, it is 20% cheaper than the average day. Monday is the most expensive day with flight prices 40% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Philadelphia to Boise?

•October is the cheapest month to fly from Philadelphia to Boise at $361 round-trip.
•June ($601) and December ($592) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 66% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Philadelphia to Boise the cheapest?

Flights from Philadelphia to Boise are cheapest 15 weeks before departure. Booking in this window typically costs about 54% 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
Best time to beat the crowds but there is an average 5% increase in price.
Most popular time to fly with an average 27% increase in price.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

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

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

    • Economy Class
    • First Class

  • How long is a flight from Philadelphia to Boise?

    A nonstop flight from Philadelphia to Boise takes 0h 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 $360 to $625, with an average of $472 over the past 12 months. Anything below $360 counts as a good deal.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 43% above the route average of $472. 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 $283 to $1,412. 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 lower than usual. Average one-way flight prices are about $222, which is 21% below the typical average for this route.

  • 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 starting from around $31 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) - 36% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 19% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 10% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 9% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 43% on the Philadelphia to Boise route. Tuesday is the cheapest departure day at $381 round-trip on average, while Monday is the most expensive at $661, a difference of $280. 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 44m, compared with 7h 20m via Salt Lake City (SLC) and 7h 27m 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 can be flexible, aim for a Tuesday departure instead of Monday. On this route, Tuesday flights average $381 - about $280 less than Monday (42% 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 54% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Philadelphia to Boise trip for October. Fares historically average $361 round-trip in that month - typically $240 less than the most expensive month, which is June (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
    - Hotel 28 Boise Airport, an Ascend Collection Hotel
    - Super 8 by Wyndham Boise

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