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$82+ Cheap flights from Boise to Philadelphia (BOI - PHL)

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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PHL
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from Boise Air Term. Gowen Fld to Philadelphia are usually found in January or September, booked 82 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from Boise to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Philadelphia (PHL). 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$222
(Mytrip)

One-way from

$82
(Mytrip)

Popular in

October

Cheapest in

January

Average price

$446
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Philadelphia flights.
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From Boise Air Term. Gowen Fld to Philadelphia
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One-way flight from Boise Air Term. Gowen Fld to Philadelphia
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Boise to Philadelphia

Cheapest flights from Boise to Philadelphia
Explore the most affordable flight options available from Boise to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/18. 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.
Thu 3/61:31 pmBOI - PHL
1 stop14h 13mSpirit Airlines
Mon 3/109:14 pmPHL - BOI
3 stops41h 18mSpirit Airlines
Deal found 2/18$222
This Delta deal was found by Cheapflights users on 2/19. 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.
Thu 4/311:30 pmBOI - PHL
1 stop7h 53mDelta
Mon 4/76:55 pmPHL - BOI
1 stop7h 10mDelta
Deal found 2/19$271
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 5/77:10 pmBOI - PHL
1 stop8h 29mUnited Airlines
Sat 5/106:05 amPHL - BOI
1 stop8h 09mUnited Airlines
Deal found 2/19$345
This Expedia deal was found by Cheapflights users on 2/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/82:41 pmBOI - PHL
1 stop13h 03mMultiple Airlines
Mon 5/126:30 amPHL - BOI
1 stop16h 14mMultiple Airlines
Deal found 2/20$400
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Sat 4/51:23 pmBOI - PHL
1 stop7h 33mAmerican Airlines
Sat 4/122:20 pmPHL - BOI
1 stop9h 38mAmerican Airlines
Deal found 2/19$430
This Southwest deal was found by Cheapflights users on 2/19. 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 5/1310:50 amBOI - PHL
2 stops8h 30mSouthwest
Thu 5/155:00 amPHL - BOI
2 stops11h 10mSouthwest
Deal found 2/19$487
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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.
Wed 4/236:30 amBOI - PHL
1 stop9h 23mAlaska Airlines
Wed 4/236:53 pmPHL - BOI
2 stops16h 35mAlaska Airlines
Deal found 2/20$669

Find flights from Boise to Philadelphia within your budget

Customize your flight search to find flights from Boise to Philadelphia 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 February 20, 2025.

Fly from

Boise

Fly to

Philadelphia

Route

Depart

Return

Price

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Thu 3/6

1:31 pm-5:44 am

1 stop14h 13m

Philadelphia

Mon 3/10

9:14 pm-12:32 pm

3 stops41h 18m

$222

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Thu 4/3

11:30 pm-9:23 am

1 stop7h 53m

Philadelphia

Mon 4/7

6:55 pm-12:05 am

1 stop7h 10m

$271

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Sun 3/9

11:14 am-5:44 am

2 stops40h 30m

Philadelphia

Tue 3/11

7:40 pm-12:32 pm

1 stop18h 52m

$285

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Wed 5/7

7:10 pm-5:39 am

1 stop8h 29m

Philadelphia

Sat 5/10

6:05 am-12:14 pm

1 stop8h 09m

$345

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Sat 4/5

1:23 pm-10:56 pm

1 stop7h 33m

Philadelphia

Sat 4/12

2:20 pm-9:58 pm

1 stop9h 38m

$430

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Tue 5/13

10:50 am-9:20 pm

2 stops8h 30m

Philadelphia

Thu 5/15

5:00 am-2:10 pm

2 stops11h 10m

$487

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Wed 4/23

6:30 am-5:53 pm

1 stop9h 23m

Philadelphia

Wed 4/23

6:53 pm-9:28 am

2 stops16h 35m

$669

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Tue 3/11

1:31 pm-5:44 am

1 stop14h 13m

$82

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Tue 4/22

7:05 am-4:43 pm

1 stop7h 38m

$136

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Tue 4/22

5:30 am-7:19 pm

2 stops11h 49m

$141

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 11 results
1
2

Compare providers for flights from Boise to Philadelphia

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 Boise to Philadelphia in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 Boise-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boise-Philadelphia 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 Boise-Philadelphia 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 Boise to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Boise 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.

Travel insights for flights from Boise to Philadelphia

Get recent, data-driven insights about flights from Boise to Philadelphia including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Boise to Philadelphia. Price data was last updated on February 14, 2025.

Booking 82 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boise to Philadelphia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Boise to Philadelphia (average of $236). Flying from Boise to Philadelphia in March is currently the most expensive (average of $295). 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 BOI to PHL?

Find hourly flight availability from Boise to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

When flying from Boise to Philadelphia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 19% versus a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Boise to Philadelphia. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boise to Philadelphia flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Philadelphia by month

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

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

Temperature in Philadelphia by month

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

If weather is an important factor for your trip to Philadelphia, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated February 20, 2025.
Read through reviews of airlines operating flights from Boise to Philadelphia, such as Southwest, Alaska Airlines and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

Find useful and relevant information for your journey from Boise to Philadelphia. 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 Boise to Philadelphia round-trip?

    Spirit Airlines, at $222, was found to be the cheapest airline from Boise to Philadelphia.Alternate airlines to your destination round-trip include Delta and United Airlines. Users have found that Spirit Airlines is 54% cheaper than the other options available to this destination.

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

    $82 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $136 and $141, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boise to Philadelphia 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 Boise to Philadelphia?

    Currently, August is the cheapest month in which you can book a flight from Boise to Philadelphia (average of $236). Flying from Boise to Philadelphia in March is currently the most expensive (average of $295). 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
King of Prussia
Vineland
Pottstown
Reading
Wildwood
Exton
Ocean City
Cherry Hill
Essington
Chester
Willow Grove
Newark
Middletown
Millville
Wyomissing
Ephrata
Dewey Beach
West Chester
Malvern
Dover

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Alternative routes for Boise to Philadelphia

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

Discover the top 5 airlines that operate flights from Boise to Philadelphia. 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$166Average$254FlexibilityNo cancel feeOn-time65%
DeltaCheapest$317Average$456FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$367Average$520FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$367Average$503FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$376Average$656FlexibilityNo cancel feeOn-time69%
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