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$179+ 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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BOI
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to Boise Air Term. Gowen Fld are usually found in April or September, booked 65 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$284
(Delta)

One-way from

$179
(Cheapflightsfares)

Popular in

November

Cheapest in

April

Average price

$450
Provider with most accurate pricing for Philadelphia-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Boise Air Term. Gowen Fld flights.
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From Philadelphia to Boise Air Term. Gowen Fld
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One-way flight from Philadelphia to Boise Air Term. Gowen Fld
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Highest demand for flights based on searches. 14% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 25, 2025.

This Delta deal was found by Cheapflights users on 3/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/216:34 pmPHL - BOI
1 stop7h 35mDelta
Sat 4/263:30 pmBOI - PHL
1 stop6h 20mDelta
Deal found 3/24$284
This Mytrip deal was found by Cheapflights users on 3/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/810:08 pmPHL - BOI
1 stop16h 49mMultiple Airlines
Sat 4/122:11 pmBOI - PHL
2 stops37h 41mMultiple Airlines
Deal found 3/24$320
This Booking.com deal was found by Cheapflights users on 3/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/226:15 amPHL - BOI
1 stop7h 36mFrontier
Sun 5/2512:36 pmBOI - PHL
1 stop14h 31mFrontier
Deal found 3/24$338
This United Airlines deal was found by Cheapflights users on 3/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/246:30 amPHL - BOI
1 stop7h 13mUnited Airlines
Tue 5/277:07 pmBOI - PHL
1 stop8h 50mUnited Airlines
Deal found 3/24$342
This American Airlines deal was found by Cheapflights users on 3/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/84:45 pmPHL - BOI
1 stop8h 49mAmerican Airlines
Sat 4/127:05 amBOI - PHL
1 stop7h 38mAmerican Airlines
Deal found 3/24$343
This Southwest deal was found by Cheapflights users on 3/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/121:40 pmPHL - BOI
2 stops10h 45mSouthwest
Sat 8/235:10 amBOI - PHL
1 stop6h 25mSouthwest
Deal found 3/24$378
This Gotogate deal was found by Cheapflights users on 3/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2712:05 pmPHL - BOI
1 stop7h 51mSun Country Air
Sun 8/36:55 pmBOI - PHL
1 stop14h 15mSun Country Air
Deal found 3/24$395
This Mytrip deal was found by Cheapflights users on 3/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1810:48 amPHL - BOI
1 stop26h 33mSpirit Airlines
Fri 5/2312:16 pmBOI - PHL
1 stop16h 04mSpirit Airlines
Deal found 3/24$440
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/77:20 amPHL - BOI
1 stop8h 32mAlaska Airlines
Sun 9/218:59 pmBOI - PHL
1 stop30h 46mAlaska Airlines
Deal found 3/24$519

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 March 25, 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 4/23

2:20 pm-10:11 pm

1 stop9h 51m

Boise Air Term. Gowen Fld

Tue 4/29

1:51 pm-11:59 pm

1 stop8h 08m

$271

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Wed 4/23

6:15 am-1:32 pm

2 stops9h 17m

Boise Air Term. Gowen Fld

Tue 4/29

5:00 am-5:25 pm

2 stops10h 25m

$281

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Tue 4/15

6:55 pm-12:03 am

1 stop7h 08m

Boise Air Term. Gowen Fld

Thu 4/17

7:50 pm-5:50 am

1 stop8h 00m

$297

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Sun 5/25

6:15 am-11:51 am

1 stop7h 36m

Boise Air Term. Gowen Fld

Tue 5/27

12:36 pm-5:07 am

1 stop14h 31m

$308

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Tue 4/8

10:08 pm-12:57 pm

1 stop16h 49m

Boise Air Term. Gowen Fld

Sat 4/12

2:11 pm-5:52 am

2 stops37h 41m

$320

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Mon 4/7

5:46 pm-11:58 pm

1 stop8h 12m

Boise Air Term. Gowen Fld

Tue 4/15

6:52 pm-6:00 am

1 stop9h 08m

$406

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Wed 5/14

6:30 am-2:25 pm

2 stops9h 55m

Boise Air Term. Gowen Fld

Sat 5/17

10:35 am-9:15 pm

2 stops8h 40m

$427

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Mon 3/31

7:20 am-4:20 pm

1 stop11h 00m

Boise Air Term. Gowen Fld

Tue 4/1

6:52 pm-6:00 am

1 stop9h 08m

$620

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Sun 4/13

10:08 pm-12:57 pm

1 stop16h 49m

$179

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Mon 4/7

3:35 pm-10:11 pm

1 stop8h 36m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 13 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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Boise flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 21, 2025.

To ensure you get the cheapest price possible for a flight from Philadelphia to Boise, you should look to book at least 65 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, October is the cheapest month in which you can book a flight from Philadelphia to Boise (average of $314). Flying from Philadelphia to Boise in June is currently the most expensive (average of $421). 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 March 25, 2025.

It’s optimal to fly from Philadelphia to Boise at noon. By choosing this option you can save up to 54% on the cost of your flight, compared to a flight in the evening.

Rainfall in Boise by month

Plan your trip to Boise by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boise ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Boise when rainfall is around 0.2 in.

Temperature in Boise by month

Plan your trip to Boise by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boise, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

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 March 25, 2025.
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,785 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,272 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,890 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,605 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

  • 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 $284 on this airline. Additional options worth looking into are Frontier and United Airlines, starting at $338 and $342 round-trip. Delta is priced at 44% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Philadelphia to Boise one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $179. American Airlines flights start at $259 while deals on Southwest start at $284 one-way.

  • 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, October is the cheapest month in which you can book a flight from Philadelphia to Boise (average of $314). Flying from Philadelphia to Boise in June is currently the most expensive (average of $421). 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 Philadelphia?

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

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Alternative routes for Philadelphia to Boise

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Philadelphia to Boise

Discover the top 5 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$160Average$278FlexibilityNo cancel feeOn-time65%
DeltaCheapest$315Average$489FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$341Average$423FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$346Average$538FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$372Average$552FlexibilityNo cancel feeOn-time69%
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