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Cheap flights from Boise to Philadelphia from $154

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 10/6. 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 (BOI-PHL)

Cheap round-trip flights

Frontier Logo
12:28 pm - 5:19 amBOI-PHL
14h 51m1 stop
Frontier Logo
6:42 am - 11:43 amPHL-BOI
7h 01m1 stop
$314Frontier
Find Deal
Thu, Oct 16 - Thu, Oct 23
Logo
12:22 pm - 12:57 amBOI-PHL
10h 35m1 stop
Logo
7:22 am - 3:00 pmPHL-BOI
9h 38m1 stop
$321
Find Deal
Thu, Sep 25 - Tue, Sep 30
Delta Logo
1:39 pm - 12:52 amBOI-PHL
9h 13m1 stop
Delta Logo
7:00 pm - 11:54 pmPHL-BOI
6h 54m1 stop
$327Delta
Find Deal
Tue, Oct 7 - Mon, Oct 13
Frontier Logo
12:28 pm - 5:19 amBOI-PHL
14h 51m1 stop
Frontier Logo
6:19 am - 11:48 amPHL-BOI
7h 29m1 stop
$331Frontier
Find Deal
Fri, Oct 24 - Thu, Oct 30
Delta Logo
11:35 pm - 9:25 amBOI-PHL
7h 50m1 stop
Delta Logo
5:25 am - 2:15 pmPHL-BOI
10h 50m2 stops
$332Delta
Find Deal
Thu, Sep 25 - Tue, Sep 30
Alaska Airlines Logo
8:00 am - 6:11 pmBOI-PHL
8h 11m1 stop
Alaska Airlines Logo
7:11 pm - 9:35 amPHL-BOI
16h 24m1 stop
$336Alaska Airlines
Find Deal
Wed, Oct 22 - Wed, Oct 22
American Airlines Logo
1:38 pm - 1:10 amBOI-PHL
9h 32m1 stop
American Airlines Logo
7:00 am - 1:17 pmPHL-BOI
8h 17m1 stop
$338American Airlines
Find Deal
Fri, Sep 26 - Wed, Oct 1
United Airlines Logo
2:42 pm - 11:29 pmBOI-PHL
6h 47m1 stop
United Airlines Logo
12:50 pm - 9:24 pmPHL-BOI
10h 34m2 stops
$342United Airlines
Find Deal
Sat, Sep 20 - Sat, Sep 27
American Airlines Logo
1:26 pm - 12:16 amBOI-PHL
8h 50m1 stop
American Airlines Logo
5:00 am - 12:45 pmPHL-BOI
9h 45m1 stop
$359American Airlines
Find Deal
Fri, Oct 10 - Fri, Oct 17
Southwest Logo
6:20 am - 5:45 pmBOI-PHL
9h 25m2 stops
Southwest Logo
10:10 am - 7:40 pmPHL-BOI
11h 30m2 stops
$437Southwest
Find Deal
Tue, Oct 14 - Mon, Oct 20

Delta flights from Boise to Philadelphia

Our best Delta deals on Boise to Philadelphia flight tickets
Delta
Oct 7
BOI1:39 pmBoise Air Term. Gowen Fld
9h 13m
1 stop
PHL12:52 amPhiladelphia
Oct 13
PHL7:00 pmPhiladelphia
6h 54m
1 stop
BOI11:54 pmBoise Air Term. Gowen Fld
$327
Find similar
Delta
Sep 25
BOI11:35 pmBoise Air Term. Gowen Fld
7h 50m
1 stop
PHL9:25 amPhiladelphia
Sep 30
PHL5:25 amPhiladelphia
10h 50m
2 stops
BOI2:15 pmBoise Air Term. Gowen Fld
$332
Find similar
Delta
Oct 16
BOI11:39 pmBoise Air Term. Gowen Fld
7h 51m
1 stop
PHL9:30 amPhiladelphia
Oct 20
PHL7:00 pmPhiladelphia
6h 54m
1 stop
BOI11:54 pmBoise Air Term. Gowen Fld
$337
Find similar

American Airlines flights from Boise to Philadelphia

Our best American Airlines deals on Boise to Philadelphia flight tickets
American Airlines
Sep 26
BOI1:38 pmBoise Air Term. Gowen Fld
9h 32m
1 stop
PHL1:10 amPhiladelphia
Oct 1
PHL7:00 amPhiladelphia
8h 17m
1 stop
BOI1:17 pmBoise Air Term. Gowen Fld
$338
Find similar
American Airlines
Oct 10
BOI1:26 pmBoise Air Term. Gowen Fld
8h 50m
1 stop
PHL12:16 amPhiladelphia
Oct 17
PHL5:00 amPhiladelphia
9h 45m
1 stop
BOI12:45 pmBoise Air Term. Gowen Fld
$359
Find similar
American Airlines
Oct 15
BOI1:35 pmBoise Air Term. Gowen Fld
9h 34m
1 stop
PHL1:09 amPhiladelphia
Oct 19
PHL6:00 amPhiladelphia
8h 46m
1 stop
BOI12:46 pmBoise Air Term. Gowen Fld
$367
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 August 26, 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 10/16

12:28 pm-5:19 am

1 stop14h 51m

Philadelphia

Thu 10/23

6:42 am-11:43 am

1 stop7h 01m

$314

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Thu 9/25

12:22 pm-12:57 am

1 stop10h 35m

Philadelphia

Tue 9/30

7:22 am-3:00 pm

1 stop9h 38m

$321

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Tue 10/7

1:39 pm-12:52 am

1 stop9h 13m

Philadelphia

Mon 10/13

7:00 pm-11:54 pm

1 stop6h 54m

$327

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Fri 10/24

12:28 pm-5:19 am

1 stop14h 51m

Philadelphia

Thu 10/30

6:19 am-11:48 am

1 stop7h 29m

$331

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Thu 9/25

11:35 pm-9:25 am

1 stop7h 50m

Philadelphia

Tue 9/30

5:25 am-2:15 pm

2 stops10h 50m

$332

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Wed 10/22

8:00 am-6:11 pm

1 stop8h 11m

Philadelphia

Wed 10/22

7:11 pm-9:35 am

1 stop16h 24m

$336

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Fri 9/26

1:38 pm-1:10 am

1 stop9h 32m

Philadelphia

Wed 10/1

7:00 am-1:17 pm

1 stop8h 17m

$338

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Sat 9/20

2:42 pm-11:29 pm

1 stop6h 47m

Philadelphia

Sat 9/27

12:50 pm-9:24 pm

2 stops10h 34m

$342

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Fri 10/10

1:26 pm-12:16 am

1 stop8h 50m

Philadelphia

Fri 10/17

5:00 am-12:45 pm

1 stop9h 45m

$359

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Tue 10/14

6:20 am-5:45 pm

2 stops9h 25m

Philadelphia

Mon 10/20

10:10 am-7:40 pm

2 stops11h 30m

$437

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 $366, are often lower during this time because this is during the off-season. The month of May is another great option to travel to Philadelphia, with average flight prices from Boise averaging around $414.

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 $469 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 $387 on momondo.

How have Boise to Philadelphia flight prices changed over time?

As of August 2025, prices for Boise to Philadelphia flights are approximately 32% cheaper 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 47m.

  • 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
3,200 reviews
Search Frontier flights
DeltaPriceFrom $240Free CancellationRating
7.9
7,979 reviews
Search Delta flights
American AirlinesPriceFrom $319Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $332Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $386Free CancellationRating
8.0
4,243 reviews
Search Southwest flights
United AirlinesPriceFrom $411Free CancellationRating
7.4
8,943 reviews
Search United Airlines 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
Reading
Dewey Beach
Newark
North Wildwood
Cherry Hill
Dover
Lewes
Avalon
Stone Harbor
Vineland
Essington
Exton
Pottstown
New Castle

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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