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Cheap flights from Boise to Philadelphia from $101

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 12/12. 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.
Frontier Logo
12:44 pm - 2:39 pmBOI-PHL
23h 55m2 stops
Frontier Logo
8:36 pm - 11:59 amPHL-BOI
17h 23m1 stop
$213Frontier
Find Deal
Thu, Dec 11 - Fri, Dec 19
Multiple Airlines Logo
12:44 pm - 5:31 amBOI-PHL
14h 47m1 stop
Multiple Airlines Logo
5:30 am - 11:49 amPHL-BOI
32h 19m2 stops
$282Multiple Airlines
Find Deal
Sun, Dec 7 - Wed, Dec 10
Hawaiian Airlines Logo
6:03 am - 5:46 amBOI-PHL
21h 43m1 stop
Hawaiian Airlines Logo
6:54 pm - 12:45 pmPHL-BOI
19h 51m1 stop
$315Hawaiian Airlines
Find Deal
Sat, Dec 6 - Mon, Dec 15
Frontier Logo
12:48 pm - 4:45 amBOI-PHL
13h 57m1 stop
Frontier Logo
6:00 am - 11:53 amPHL-BOI
7h 53m1 stop
$327Frontier
Find Deal
Sun, Nov 23 - Tue, Nov 25
Alaska Airlines Logo
5:59 pm - 5:53 pmBOI-PHL
21h 54m1 stop
Alaska Airlines Logo
7:06 am - 10:56 pmPHL-BOI
17h 50m1 stop
$334Alaska Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 8
Delta Logo
1:49 pm - 12:51 amBOI-PHL
9h 02m1 stop
Delta Logo
6:00 am - 12:39 pmPHL-BOI
8h 39m1 stop
$337Delta
Find Deal
Mon, Nov 24 - Thu, Nov 27
Delta Logo
9:00 am - 11:57 pmBOI-PHL
12h 57m2 stops
Delta Logo
9:39 am - 8:20 pmPHL-BOI
12h 41m2 stops
$346Delta
Find Deal
Fri, Dec 5 - Mon, Dec 8
Southwest Logo
5:00 am - 3:55 pmBOI-PHL
8h 55m2 stops
Southwest Logo
4:00 pm - 11:10 pmPHL-BOI
9h 10m2 stops
$386Southwest
Find Deal
Sat, Dec 6 - Mon, Dec 15
United Airlines Logo
6:55 pm - 7:45 amBOI-PHL
10h 50m1 stop
United Airlines Logo
3:30 pm - 9:36 pmPHL-BOI
8h 06m1 stop
$398United Airlines
Find Deal
Sun, Apr 26 - Wed, Apr 29
Southwest Logo
12:40 pm - 11:45 pmBOI-PHL
9h 05m2 stops
Southwest Logo
3:05 pm - 11:10 pmPHL-BOI
10h 05m2 stops
$417Southwest
Find Deal
Sun, Dec 7 - Wed, Dec 10

Frontier flights from Boise to Philadelphia

Our best Frontier deals on Boise to Philadelphia flight tickets
Frontier
Dec 11
BOI12:44 pmBoise Air Term. Gowen Fld
23h 55m
2 stops
PHL2:39 pmPhiladelphia
Dec 19
PHL8:36 pmPhiladelphia
17h 23m
1 stop
BOI11:59 amBoise Air Term. Gowen Fld
$213
Find similar
Frontier
Nov 23
BOI12:48 pmBoise Air Term. Gowen Fld
13h 57m
1 stop
PHL4:45 amPhiladelphia
Nov 25
PHL6:00 amPhiladelphia
7h 53m
1 stop
BOI11:53 amBoise Air Term. Gowen Fld
$327
Find similar
Frontier
Nov 23
BOI12:48 pmBoise Air Term. Gowen Fld
25h 36m
2 stops
PHL4:24 pmPhiladelphia
Nov 25
PHL6:00 amPhiladelphia
7h 53m
1 stop
BOI11:53 amBoise Air Term. Gowen Fld
$342
Find similar

Alaska Airlines flights from Boise to Philadelphia

Our best Alaska Airlines deals on Boise to Philadelphia flight tickets
Alaska Airlines
Dec 5
BOI5:59 pmBoise Air Term. Gowen Fld
21h 54m
1 stop
PHL5:53 pmPhiladelphia
Dec 8
PHL7:06 amPhiladelphia
17h 50m
1 stop
BOI10:56 pmBoise Air Term. Gowen Fld
$334
Find similar
Alaska Airlines
Dec 7
BOI5:59 pmBoise Air Term. Gowen Fld
9h 47m
1 stop
PHL5:46 amPhiladelphia
Dec 10
PHL7:06 amPhiladelphia
11h 10m
1 stop
BOI4:16 pmBoise Air Term. Gowen Fld
$371
Find similar
Alaska Airlines
Dec 12
BOI6:03 amBoise Air Term. Gowen Fld
21h 43m
1 stop
PHL5:46 amPhiladelphia
Dec 15
PHL6:54 pmPhiladelphia
19h 51m
1 stop
BOI12:45 pmBoise Air Term. Gowen Fld
$394
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 November 10, 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

Thu 12/11

12:44 pm-2:39 pm

2 stops23h 55m

Philadelphia

Fri 12/19

8:36 pm-11:59 am

1 stop17h 23m

$213

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Sun 12/7

12:44 pm-5:31 am

1 stop14h 47m

Philadelphia

Wed 12/10

5:30 am-11:49 am

2 stops32h 19m

$282

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Sat 12/6

6:03 am-5:46 am

1 stop21h 43m

Philadelphia

Mon 12/15

6:54 pm-12:45 pm

1 stop19h 51m

$315

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Sun 11/23

12:48 pm-4:45 am

1 stop13h 57m

Philadelphia

Tue 11/25

6:00 am-11:53 am

1 stop7h 53m

$327

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Fri 12/5

5:59 pm-5:53 pm

1 stop21h 54m

Philadelphia

Mon 12/8

7:06 am-10:56 pm

1 stop17h 50m

$334

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Mon 11/24

1:49 pm-12:51 am

1 stop9h 02m

Philadelphia

Thu 11/27

6:00 am-12:39 pm

1 stop8h 39m

$337

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Fri 12/5

9:00 am-11:57 pm

2 stops12h 57m

Philadelphia

Mon 12/8

9:39 am-8:20 pm

2 stops12h 41m

$346

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Sat 12/6

5:00 am-3:55 pm

2 stops8h 55m

Philadelphia

Mon 12/15

4:00 pm-11:10 pm

2 stops9h 10m

$386

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Sun 4/26

6:55 pm-7:45 am

1 stop10h 50m

Philadelphia

Wed 4/29

3:30 pm-9:36 pm

1 stop8h 06m

$398

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Sun 12/7

12:40 pm-11:45 pm

2 stops9h 05m

Philadelphia

Wed 12/10

3:05 pm-11:10 pm

2 stops10h 05m

$417

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 November 2025, prices for Boise to Philadelphia flights are approximately 7% 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

Direct flights

None
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 46m.

  • 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
3,113 reviews
Search Frontier flights
DeltaPriceFrom $228Free CancellationRating
7.9
8,007 reviews
Search Delta flights
American AirlinesPriceFrom $319Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
United AirlinesPriceFrom $342Free CancellationRating
7.4
9,012 reviews
Search United Airlines flights
SouthwestPriceFrom $407Free CancellationRating
8.0
4,235 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
Dewey Beach
Newark
Reading
North Wildwood
Dover
Avalon
Lewes
Stone Harbor
Essington
Vineland
Pottstown
New Castle
Somers Point

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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