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$122+ Cheap flights from Philadelphia to Boise (PHL - BOI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BOI
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Find cheap flights from Philadelphia to Boise with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Philadelphia to Boise Air Term. Gowen Fld are usually found in September or August, booked 90 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Find flight deals from Philadelphia to Boise

Cheapest flights from Philadelphia to Boise
Explore the most affordable flight options available from Philadelphia to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/208:36 pmPHL - BOI
1 stop17h 07mFrontier
Thu 12/2512:38 pmBOI - PHL
1 stop14h 53mFrontier
Deal found 11/11$163
This Kiwi.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/208:36 pmPHL - BOI
1 stop17h 07mFrontier
Sun 12/2812:38 pmBOI - PHL
1 stop14h 53mFrontier
Deal found 11/11$185
This Kiwi.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/218:36 pmPHL - BOI
2 stops21h 08mMultiple Airlines
Thu 12/2512:38 pmBOI - PHL
1 stop14h 53mMultiple Airlines
Deal found 11/11$206
This Kiwi.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/218:36 pmPHL - BOI
2 stops21h 08mMultiple Airlines
Sun 12/2812:38 pmBOI - PHL
1 stop14h 53mMultiple Airlines
Deal found 11/11$228
This Kiwi.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/208:36 pmPHL - BOI
1 stop17h 07mMultiple Airlines
Sat 12/2712:54 pmBOI - PHL
2 stops28h 15mMultiple Airlines
Deal found 11/11$241
This Kiwi.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/208:36 pmPHL - BOI
1 stop17h 07mMultiple Airlines
Mon 12/299:46 pmBOI - PHL
2 stops41h 44mMultiple Airlines
Deal found 11/11$245
This Kiwi.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/208:36 pmPHL - BOI
1 stop17h 07mFrontier
Sat 12/2712:54 pmBOI - PHL
1 stop14h 37mFrontier
Deal found 11/11$273
This Kiwi.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/208:36 pmPHL - BOI
1 stop17h 07mMultiple Airlines
Fri 12/269:46 pmBOI - PHL
2 stops21h 10mMultiple Airlines
Deal found 11/11$308
This Kiwi.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/218:36 pmPHL - BOI
2 stops21h 08mMultiple Airlines
Sat 12/2712:54 pmBOI - PHL
1 stop14h 37mMultiple Airlines
Deal found 11/11$316
This Kiwi.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:10 amPHL - BOI
1 stop10h 34mMultiple Airlines
Thu 12/2512:38 pmBOI - PHL
1 stop14h 53mMultiple Airlines
Deal found 11/11$317
This Kiwi.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:10 amPHL - BOI
1 stop10h 34mMultiple Airlines
Sun 12/2812:38 pmBOI - PHL
1 stop14h 53mMultiple Airlines
Deal found 11/11$339

Cheap flight deals from Philadelphia to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Boise (BOI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$163
(Kiwi.com)

One-way from

$122
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$401
Provider with most accurate pricing for Philadelphia-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Boise Air Term. Gowen Fld flights.
Search Deals
From Philadelphia to Boise Air Term. Gowen Fld
Search Deals
One-way flight from Philadelphia to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Boise that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 13, 2025.
Use the filters below to find and compare flights from Philadelphia to Boise that are best for you.

Fly from

Philadelphia

Fly to

Boise

Route

Depart

Return

Price

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Wed 2/4

7:06 pm-12:51 pm

1 stop19h 45m

Boise Air Term. Gowen Fld

Tue 2/10

6:23 am-6:03 pm

1 stop9h 40m

$344

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Wed 12/10

11:46 am-10:16 pm

2 stops12h 30m

Boise Air Term. Gowen Fld

Wed 12/17

11:44 am-12:51 am

2 stops11h 07m

$346

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Wed 12/10

5:00 pm-11:10 pm

1 stop8h 10m

Boise Air Term. Gowen Fld

Wed 12/17

2:40 pm-10:35 pm

1 stop5h 55m

$348

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Sat 2/14

6:20 pm-8:13 am

2 stops15h 53m

Boise Air Term. Gowen Fld

Sat 2/21

6:28 am-5:20 pm

1 stop8h 52m

$349

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Wed 2/4

6:05 am-3:57 pm

2 stops11h 52m

Boise Air Term. Gowen Fld

Tue 2/10

5:40 am-8:42 pm

2 stops13h 02m

$356

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Tue 12/9

5:15 am-11:49 am

3 stops56h 34m

$122

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Thu 12/4

6:00 am-11:49 am

2 stops31h 49m

$128

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Thu 12/18

8:36 pm-3:44 pm

2 stops21h 08m

$153

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Tue 12/9

5:00 am-12:27 pm

1 stop9h 27m

$168

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Thu 12/4

3:58 pm-11:39 pm

1 stop9h 41m

$168

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 15 results
1
2

Compare providers for flights from Philadelphia to Boise

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Boise in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Philadelphia-Boise flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Philadelphia-Boise flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Philadelphia-Boise flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Boise flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Boise flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Philadelphia to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Philadelphia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Boise

How far ahead should I book a flight from Philadelphia to Boise?

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Boise. Price data was last updated on November 7, 2025.

To ensure you get the cheapest price possible for a flight from Philadelphia to Boise, you should look to book at least 90 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Philadelphia to Boise?

Currently, February is the cheapest month in which you can book a flight from Philadelphia to Boise (average of $134). Flying from Philadelphia to Boise in January is currently the most expensive (average of $316). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHL to BOI?

Find hourly flight availability from Philadelphia to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 13, 2025.

It’s optimal to fly from Philadelphia to Boise at noon. By choosing this option you can save up to 53% on the cost of your flight, compared to a flight in the evening.

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boise. Reviews last updated November 13, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Philadelphia to Boise have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
8,007 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,017 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,051 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Philadelphia to Boise?

    For as low as $348, Alaska Airlines can have you in Boise from Philadelphia in 8h 10m. Philadelphia and Boise are separated by a distance of 2106 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Philadelphia to Boise round-trip?

    Our cheapest airline available from Philadelphia to Boise is Delta. Our recent data shows that you can find tickets from as low as $296 on this airline. Additional options worth looking into are American Airlines and Southwest, starting at $316 and $358 round-trip. Delta is priced at 36% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Philadelphia to Boise that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Boise?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Boise.

  • Can I find deals for business class flights from Philadelphia to Boise?

    Yes. Cheapflights offers flight deals from Philadelphia to Boise by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Philadelphia to Boise?

    Currently, February is the cheapest month in which you can book a flight from Philadelphia to Boise (average of $134). Flying from Philadelphia to Boise in January is currently the most expensive (average of $316). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Ontario
Meridian
Nampa
Caldwell
McCall

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Alternative routes for Philadelphia to Boise

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Top 4 airlines flying from Philadelphia to Boise

Discover the top 4 airlines that operate flights from Philadelphia to Boise. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$296Average$457FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$316Average$454FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$358Average$451FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$359Average$546FlexibilityNo cancel feeOn-time69%

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