How long is the flight from Boise to Philadelphia?

Departing from Boise to Philadelphia will take you 12h 38m. Boise and Philadelphia are separated by a distance of 2106 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

Frontier, at $130, was found to be the cheapest airline from Boise to Philadelphia.Alternate airlines to your destination round-trip include Delta and American Airlines. Users have found that Frontier is 72% cheaper than the other options available to this destination.

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

$96 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from $153 and $165, respectively.

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.

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).

What are the most popular airlines that fly from Boise to Philadelphia?

Before booking your flight from Boise to Philadelphia check out the most popular airlines for this route: Delta, American Airlines or Southwest.

Most accurate provider : When it comes to deals on Boise-Philadelphia flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boise-Philadelphia flight deals on Cheapflights vs. eDreams >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 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 Boise-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$123+ Flights from Boise to Philadelphia

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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Cheapflights Tip: The best prices from Boise Air Term. Gowen Fld to Philadelphia are usually found in January or April, booked 45 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap 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 diciembre 12, 2025.

lun. 12/298:45 pmBOI - PHL

2 stops10h 25mSouthwest

sáb. 1/37:15 pmPHL - BOI

1 stop7h 45mSouthwest

Deal found 12/10

$543

sáb. 12/274:30 pmBOI - PHL

1 stop6h 50mSouthwest

mié. 12/315:00 pmPHL - BOI

1 stop8h 10mSouthwest

Deal found 12/11

$548

sáb. 12/2712:54 pmBOI - PHL

1 stop14h 37mFrontier

mié. 12/312:25 pmPHL - BOI

2 stops23h 18mFrontier

Deal found 12/11

$551

mié. 12/316:55 pmBOI - PHL

1 stop10h 14mUnited Airlines

vie. 1/26:35 amPHL - BOI

1 stop8h 04mUnited Airlines

Deal found 12/10

$590

mié. 12/316:55 pmBOI - PHL

1 stop8h 16mUnited Airlines

sáb. 1/36:00 amPHL - BOI

2 stops9h 36mUnited Airlines

Deal found 12/10

$595

mié. 12/313:30 pmBOI - PHL

2 stops17h 13mDelta

vie. 1/25:30 amPHL - BOI

1 stop9h 15mDelta

Deal found 12/10

$596

mar. 12/303:20 pmBOI - PHL

2 stops36h 20mMultiple Airlines

sáb. 1/38:36 pmPHL - BOI

1 stop17h 07mMultiple Airlines

Deal found 12/10

$597

dom. 12/2812:38 pmBOI - PHL

1 stop14h 53mMultiple Airlines

vie. 1/21:35 pmPHL - BOI

2 stops27h 11mMultiple Airlines

Deal found 12/10

$604

sáb. 12/276:55 pmBOI - PHL

1 stop8h 16mUnited Airlines

vie. 1/26:35 amPHL - BOI

1 stop8h 04mUnited Airlines

Deal found 12/11

$606

dom. 12/2812:38 pmBOI - PHL

2 stops31h 52mFrontier

sáb. 1/38:36 pmPHL - BOI

1 stop17h 07mFrontier

Deal found 12/10

$610

Best flights from Boise to Philadelphia
Discover carefully curated flight deals from Boise to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 12, 2025.

vie. 1/239:15 amBOI - PHL

2 stops12h 38mDelta

vie. 1/306:00 amPHL - BOI

2 stops12h 17mDelta

Deal found 12/10

$336

vie. 1/237:45 amBOI - PHL

2 stops10h 35mSouthwest

vie. 1/301:50 pmPHL - BOI

2 stops11h 20mSouthwest

Deal found 12/11

$425

sáb. 4/117:20 pmBOI - PHL

1 stop8h 03mAlaska Airlines

jue. 4/167:00 amPHL - BOI

1 stop11h 15mAlaska Airlines

Deal found 12/11

$436

vie. 5/297:30 pmBOI - PHL

1 stop8h 35mDelta

lun. 6/87:05 amPHL - BOI

1 stop10h 33mDelta

Deal found 12/11

$437

dom. 1/251:55 pmBOI - PHL

1 stop26h 08mAlaska Airlines

jue. 1/297:06 pmPHL - BOI

1 stop22h 04mAlaska Airlines

Deal found 12/9

$444

mié. 5/66:00 amBOI - PHL

2 stops10h 05mSouthwest

mié. 5/136:20 amPHL - BOI

2 stops11h 05mSouthwest

Deal found 12/10

$447

vie. 3/2711:36 pmBOI - PHL

1 stop7h 46mDelta

mar. 3/315:50 amPHL - BOI

2 stops13h 22mDelta

Deal found 12/11

$442

vie. 5/291:43 pmBOI - PHL

1 stop8h 42mDelta

dom. 6/76:15 amPHL - BOI

1 stop6h 44mDelta

Deal found 12/11

$458

Last-minute flights from Boise to Philadelphia
Discover last-minute flight deals from Boise to Philadelphia. Data last updated diciembre 12, 2025 and is based on user searches.

vie. 1/25:00 amBOI - PHL

2 stops10h 00mSouthwest

lun. 1/56:35 pmPHL - BOI

1 stop8h 00mSouthwest

Deal found 12/9

$472

vie. 1/239:15 amBOI - PHL

2 stops12h 38mDelta

vie. 1/306:00 amPHL - BOI

2 stops12h 17mDelta

Deal found 12/10

$336

vie. 1/233:43 pmBOI - PHL

1 stop24h 20mAlaska Airlines

vie. 1/307:06 pmPHL - BOI

1 stop17h 46mAlaska Airlines

Deal found 12/10

$345

vie. 1/232:48 pmBOI - PHL

1 stop13h 31mAmerican Airlines

vie. 1/307:00 amPHL - BOI

1 stop12h 15mAmerican Airlines

Deal found 12/11

$383

vie. 1/237:45 amBOI - PHL

2 stops10h 35mSouthwest

vie. 1/301:50 pmPHL - BOI

2 stops11h 20mSouthwest

Deal found 12/11

$425

dom. 1/251:55 pmBOI - PHL

1 stop26h 08mAlaska Airlines

jue. 1/297:06 pmPHL - BOI

1 stop22h 04mAlaska Airlines

Deal found 12/9

$444

dom. 1/2510:48 amBOI - PHL

1 stop9h 04mUnited Airlines

jue. 1/296:30 amPHL - BOI

1 stop8h 09mUnited Airlines

Deal found 12/11

$500

One-way flights from Boise to Philadelphia
Search for one-way flight options from Boise to Philadelphia. Find affordable one-way fares based on user searches. Data last updated diciembre 12, 2025.

jue. 12/2512:38 pmBOI - PHL

1 stop14h 53mFrontier

Deal found 12/10

$123

jue. 12/256:15 amBOI - PHL

2 stops9h 13mUnited Airlines

Deal found 12/10

$156

mié. 1/216:23 amBOI - PHL

1 stop9h 40mAlaska Airlines

Deal found 12/11

$179

mar. 2/103:18 pmBOI - PHL

1 stop6h 37mAmerican Airlines

Deal found 12/11

$180

mié. 12/316:55 pmBOI - PHL

1 stop8h 16mUnited Airlines

Deal found 12/10

$203

jue. 2/121:24 pmBOI - PHL

1 stop8h 24mAmerican Airlines

Deal found 12/11

$207

jue. 2/128:50 amBOI - PHL

2 stops12h 54mDelta

Deal found 12/10

$208

vie. 5/297:06 pmBOI - PHL

1 stop8h 34mAlaska Airlines

Deal found 12/11

$218

vie. 5/297:30 pmBOI - PHL

2 stops13h 03mDelta

Deal found 12/11

$224

Find flight deals from Boise to Philadelphia

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$336 (Delta)
One-way from	$123 (Booking.com)
Popular in	December
Cheapest in	January
Average price	$628

Provider with most accurate pricing for Boise Air Term. Gowen Fld-Philadelphia flight deals.

Search Deals

Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Philadelphia flights.

Search Deals

From Boise Air Term. Gowen Fld to Philadelphia

Search Deals

One-way flight from Boise Air Term. Gowen Fld to Philadelphia

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($55 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boise to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

vie. 1/23

9:15 am-11:53 pm

2 stops12h 38m

Philadelphia

vie. 1/30

6:00 am-4:17 pm

2 stops12h 17m

$336

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

vie. 1/23

7:45 am-8:20 pm

2 stops10h 35m

Philadelphia

vie. 1/30

1:50 pm-11:10 pm

2 stops11h 20m

$425

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

sáb. 4/11

7:20 pm-5:23 am

1 stop8h 03m

Philadelphia

jue. 4/16

7:00 am-4:15 pm

1 stop11h 15m

$436

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

vie. 5/29

7:30 pm-6:05 am

1 stop8h 35m

Philadelphia

lun. 6/8

7:05 am-3:38 pm

1 stop10h 33m

$437

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

vie. 3/27

11:36 pm-9:22 am

1 stop7h 46m

Philadelphia

mar. 3/31

5:50 am-5:12 pm

2 stops13h 22m

$442

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

dom. 1/25

1:55 pm-6:03 pm

1 stop26h 08m

Philadelphia

jue. 1/29

7:06 pm-3:10 pm

1 stop22h 04m

$444

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

mié. 5/6

6:00 am-6:05 pm

2 stops10h 05m

Philadelphia

mié. 5/13

6:20 am-3:25 pm

2 stops11h 05m

$447

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

vie. 5/29

1:43 pm-12:25 am

1 stop8h 42m

Philadelphia

dom. 6/7

6:15 am-10:59 am

1 stop6h 44m

$458

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

jue. 12/25

6:15 am-5:28 pm

2 stops9h 13m

$156

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

mié. 2/11

6:23 am-6:03 pm

1 stop9h 40m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 16 results

Compare providers for flights from Boise to Philadelphia

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Philadelphia in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boise-Philadelphia flight deals on Cheapflights vs. eDreams >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 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 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.

Cheapflights Insights

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

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

Booking 45 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, September is the cheapest month in which you can book a flight from Boise to Philadelphia (average of $115). Flying from Boise to Philadelphia in March is currently the most expensive (average of $274). 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?

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 18% versus a flight in the morning.

Reviews of airlines servicing Philadelphia

Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Boise to Philadelphia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

7.9

Good

4,253 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Delta

7.9

Good

8,008 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

United Airlines

7.4

Good

9,095 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,050 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Frontier

5.8

Fair

3,084 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

How long is the flight from Boise to Philadelphia?
Departing from Boise to Philadelphia will take you 12h 38m. Boise and Philadelphia are separated by a distance of 2106 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines flying from Boise to Philadelphia round-trip?
Frontier, at $130, was found to be the cheapest airline from Boise to Philadelphia.Alternate airlines to your destination round-trip include Delta and American Airlines. Users have found that Frontier is 72% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Boise to Philadelphia one-way?
$96 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from $153 and $165, 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, September is the cheapest month in which you can book a flight from Boise to Philadelphia (average of $115). Flying from Boise to Philadelphia in March is currently the most expensive (average of $274). 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

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Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Boise to Philadelphia

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$130	Average$248	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$208	Average$423	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$319	Average$487	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$342	Average$564	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$416	Average$507	FlexibilityNo cancel fee	On-time63%

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$123+ 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 12/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boise to Philadelphia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Boise Air Term. Gowen Fld to Philadelphia are usually found in January or April, booked 45 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from Boise to Philadelphia

Cheapest flights from Boise to PhiladelphiaExplore 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 diciembre 12, 2025.

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 diciembre 12, 2025.

Find flight deals from Boise to Philadelphia

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boise to Philadelphia that are best for you.

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 December.

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.

Cheapflights Insights

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

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

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

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

Reviews of airlines servicing Philadelphia

Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Boise to Philadelphia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

How long is the flight from Boise to Philadelphia?

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

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

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

How can I find direct flights from Boise to Philadelphia?

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

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

Traveling to a place near Philadelphia?

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 5 airlines flying from Boise to Philadelphia

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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 diciembre 12, 2025.