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Cheap flights from Boise to Philadelphia from $152

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to Philadelphia departing on 1/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Boise to Philadelphia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
7:45 am - 4:45 pmBOI-PHL
7h 00m1 stop
Southwest Logo
5:00 pm - 11:10 pmPHL-BOI
8h 10m1 stop
$294Southwest
Find Deal
Fri, Jan 16 - Wed, Jan 21
Southwest Logo
7:45 am - 4:45 pmBOI-PHL
7h 00m1 stop
Southwest Logo
5:40 am - 3:20 pmPHL-BOI
11h 40m2 stops
$299Southwest
Find Deal
Fri, Jan 16 - Wed, Jan 21
Frontier Logo
12:44 pm - 5:31 amBOI-PHL
14h 47m1 stop
Frontier Logo
12:00 pm - 11:43 amPHL-BOI
25h 43m2 stops
$325Frontier
Find Deal
Sun, Dec 14 - Wed, Dec 17
Delta Logo
11:17 am - 11:18 pmBOI-PHL
10h 01m2 stops
Delta Logo
11:27 am - 9:58 pmPHL-BOI
12h 31m2 stops
$336Delta
Find Deal
Thu, Dec 25 - Fri, Jan 9
Alaska Airlines Logo
6:28 am - 5:22 pmBOI-PHL
8h 54m1 stop
Alaska Airlines Logo
6:22 pm - 11:59 pmPHL-BOI
31h 37m1 stop
$344Alaska Airlines
Find Deal
Sun, Mar 8 - Fri, Mar 13
Alaska Airlines Logo
10:47 am - 5:37 amBOI-PHL
16h 50m1 stop
Alaska Airlines Logo
7:06 pm - 12:51 pmPHL-BOI
19h 45m1 stop
$345Alaska Airlines
Find Deal
Thu, Dec 25 - Fri, Jan 9
Delta Logo
1:55 pm - 12:27 amBOI-PHL
8h 32m1 stop
Delta Logo
11:27 am - 9:58 pmPHL-BOI
12h 31m2 stops
$356Delta
Find Deal
Thu, Dec 25 - Fri, Jan 9
Alaska Airlines Logo
10:50 pm - 5:22 pmBOI-PHL
16h 32m2 stops
Alaska Airlines Logo
6:22 pm - 9:40 amPHL-BOI
17h 18m1 stop
$439Alaska Airlines
Find Deal
Sun, Mar 8 - Fri, Mar 13
Southwest Logo
8:00 am - 6:05 pmBOI-PHL
8h 05m1 stop
Southwest Logo
5:20 am - 10:25 amPHL-BOI
7h 05m1 stop
$446Southwest
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Tue, Apr 7 - Sun, Apr 12
Southwest Logo
10:05 am - 10:00 pmBOI-PHL
9h 55m2 stops
Southwest Logo
5:20 am - 10:25 amPHL-BOI
7h 05m1 stop
$451Southwest
Find Deal
Tue, Apr 7 - Sun, Apr 12

Southwest flights from Boise to Philadelphia

Our best Southwest deals on Boise to Philadelphia flight tickets
Southwest
Jan 16
BOI7:45 amBoise Air Term. Gowen Fld
7h 00m
1 stop
PHL4:45 pmPhiladelphia
Jan 21
PHL5:00 pmPhiladelphia
8h 10m
1 stop
BOI11:10 pmBoise Air Term. Gowen Fld
$294
Find similar
Southwest
Jan 16
BOI7:45 amBoise Air Term. Gowen Fld
7h 00m
1 stop
PHL4:45 pmPhiladelphia
Jan 21
PHL5:40 amPhiladelphia
11h 40m
2 stops
BOI3:20 pmBoise Air Term. Gowen Fld
$299
Find similar
Southwest
Apr 7
BOI8:00 amBoise Air Term. Gowen Fld
8h 05m
1 stop
PHL6:05 pmPhiladelphia
Apr 12
PHL5:20 amPhiladelphia
7h 05m
1 stop
BOI10:25 amBoise Air Term. Gowen Fld
$446
Find similar

Delta flights from Boise to Philadelphia

Our best Delta deals on Boise to Philadelphia flight tickets
Delta
Dec 25
BOI11:17 amBoise Air Term. Gowen Fld
10h 01m
2 stops
PHL11:18 pmPhiladelphia
Jan 9
PHL11:27 amPhiladelphia
12h 31m
2 stops
BOI9:58 pmBoise Air Term. Gowen Fld
$336
Find similar
Delta
Dec 25
BOI1:55 pmBoise Air Term. Gowen Fld
8h 32m
1 stop
PHL12:27 amPhiladelphia
Jan 9
PHL11:27 amPhiladelphia
12h 31m
2 stops
BOI9:58 pmBoise Air Term. Gowen Fld
$356
Find similar
Delta
Dec 14
BOI2:04 pmBoise Air Term. Gowen Fld
8h 47m
1 stop
PHL12:51 amPhiladelphia
Dec 17
PHL6:55 amPhiladelphia
7h 59m
1 stop
BOI12:54 pmBoise Air Term. Gowen Fld
$557
Find similar

momondo Fare Finder

 
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, momondo users made 832,500 searches. Data last updated December 1, 2025.
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

Fri 1/16

7:45 am-4:45 pm

1 stop7h 00m

Philadelphia

Wed 1/21

5:00 pm-11:10 pm

1 stop8h 10m

$294

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Fri 1/16

7:45 am-4:45 pm

1 stop7h 00m

Philadelphia

Wed 1/21

5:40 am-3:20 pm

2 stops11h 40m

$299

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Sun 12/14

12:44 pm-5:31 am

1 stop14h 47m

Philadelphia

Wed 12/17

12:00 pm-11:43 am

2 stops25h 43m

$325

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Thu 12/25

11:17 am-11:18 pm

2 stops10h 01m

Philadelphia

Fri 1/9

11:27 am-9:58 pm

2 stops12h 31m

$336

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Sun 3/8

6:28 am-5:22 pm

1 stop8h 54m

Philadelphia

Fri 3/13

6:22 pm-11:59 pm

1 stop31h 37m

$344

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Thu 12/25

10:47 am-5:37 am

1 stop16h 50m

Philadelphia

Fri 1/9

7:06 pm-12:51 pm

1 stop19h 45m

$345

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Thu 12/25

1:55 pm-12:27 am

1 stop8h 32m

Philadelphia

Fri 1/9

11:27 am-9:58 pm

2 stops12h 31m

$356

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Sun 3/8

10:50 pm-5:22 pm

2 stops16h 32m

Philadelphia

Fri 3/13

6:22 pm-9:40 am

1 stop17h 18m

$439

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Tue 4/7

8:00 am-6:05 pm

1 stop8h 05m

Philadelphia

Sun 4/12

5:20 am-10:25 am

1 stop7h 05m

$446

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Tue 4/7

10:05 am-10:00 pm

2 stops9h 55m

Philadelphia

Sun 4/12

5:20 am-10:25 am

1 stop7h 05m

$451

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Philadelphia from

How to get the cheapest flight ticket from Boise to Philadelphia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from Boise is in January. Flight prices, which tend to average around $386, are often lower during this time because this is during the off-season. The month of April is another great option to travel to Philadelphia, with average flight prices from Boise averaging around $393.

What is the cheapest day to depart on your flight to Philadelphia?

The cheapest day to depart from Boise to Philadelphia is on a Wednesday. Travelers who choose to depart for Philadelphia on a Wednesday will often find tickets for as low as $457. On the other hand, Sunday is the most expensive day to depart from Boise because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $638.

What is the cheapest time of day to depart on your flight to Philadelphia?

According to our data, the cheapest time of day to fly to Philadelphia is in the evening. momondo users have found flights departing from Boise to Philadelphia in the evening for as low as $407. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is in the morning when prices are around $502.

How far in advance should I book a flight to Philadelphia?

You are more likely to see cheaper flights to Philadelphia from Boise when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $478 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Boise for as low as $385 on momondo.

How have Boise to Philadelphia flight prices changed over time?

As of December 2025, prices for Boise to Philadelphia flights are approximately 14% more expensive when compared to flights at the same time last year.

When to book flights from Boise to Philadelphia

Are you open to changing your travel dates? Check out the ideal times to fly from Boise to Philadelphia according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boise to Philadelphia (BOI to PHL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boise to Philadelphia

Fastest flight time

6h 33m

Direct flights

None
The fastest flight from Boise to Philadelphia takes 6h 33m
There are no direct flights from Boise to Philadelphia. There are no popular flight routes from Boise to Philadelphia.
Search flight deals

  • How far is Boise Air Term. Gowen Fld to Philadelphia by plane?

    The straight-line distance from Boise Air Term. Gowen Fld to Philadelphia is 2106.8 mi. By plane, this route typically takes 6h 10m.

  • When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Philadelphia Airport?

    Prices for flights from Boise Air Term. Gowen Fld Airport to Philadelphia Airport are updated daily.

  • How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Philadelphia Airport?

  • How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to Philadelphia Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boise Air Term. Gowen Fld Airport to Philadelphia Airport.

  • What documentation or ID do you need to fly to Philadelphia Airport?

    The required travel and health documents for your Philadelphia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Philadelphia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Boise to Philadelphia?

Best airlines flying from Boise to Philadelphia

Compare and see reviews for airlines that fly from Boise to Philadelphia with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $130Free CancellationRating
5.8
3,094 reviews
Search Frontier flights
DeltaPriceFrom $208Free CancellationRating
7.9
8,010 reviews
Search Delta flights
American AirlinesPriceFrom $319Free CancellationRating
7.2
11,041 reviews
Search American Airlines flights
United AirlinesPriceFrom $342Free CancellationRating
7.4
9,065 reviews
Search United Airlines flights
SouthwestPriceFrom $416Free CancellationRating
8.0
4,253 reviews
Search Southwest flights

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Cape May
Rehoboth Beach
Ocean City
Wildwood Crest
King of Prussia
Cherry Hill
Newark
Dewey Beach
Reading
North Wildwood
Avalon
Dover
Lewes
Stone Harbor
Essington
Vineland
Pottstown
Somers Point
Elkton

Why use momondo?

Why should I use momondo to find a flight deal from Boise to Philadelphia?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Philadelphia from Boise.

Can I find flights from Boise to Philadelphia with flexible booking policies on momondo?

Yes. All flights to Philadelphia from Boise on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Boise to Philadelphia?

Once you have performed a search for Boise to Philadelphia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Boise to Philadelphia right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Philadelphia, momondo offers a useful price alert feature which will track prices for flights to Philadelphia from Boise and alert you when they change.

An easier way to manage your Philadelphia trip

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