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Cheap flights from Boise to Philadelphia from $129

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 4/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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
11:56 am - 4:37 pm
BOI
-
PHL
26h 41m
1 stop
Frontier Logo
6:10 pm - 11:11 am
PHL
-
BOI
43h 01m
2 stops
$303Frontier
Sun, Feb 22 - Wed, Feb 25
Frontier Logo
11:56 am - 6:14 pm
BOI
-
PHL
28h 18m
1 stop
Frontier Logo
5:42 pm - 11:11 am
PHL
-
BOI
19h 29m
1 stop
$307Frontier
Sun, Feb 15 - Thu, Feb 19
American Airlines Logo
6:33 pm - 6:39 am
BOI
-
PHL
10h 06m
1 stop
American Airlines Logo
3:55 pm - 11:38 pm
PHL
-
BOI
9h 43m
1 stop
$356American Airlines
Sun, Feb 22 - Wed, Feb 25
Frontier Logo
11:56 am - 3:47 pm
BOI
-
PHL
25h 51m
2 stops
Frontier Logo
5:42 pm - 11:11 am
PHL
-
BOI
19h 29m
1 stop
$367Frontier
Sun, Feb 15 - Thu, Feb 19
United Airlines Logo
8:05 am - 5:14 pm
BOI
-
PHL
7h 09m
1 stop
United Airlines Logo
5:00 pm - 10:56 pm
PHL
-
BOI
7h 56m
1 stop
$396United Airlines
Fri, Feb 20 - Mon, Feb 23
United Airlines Logo
5:00 am - 5:14 pm
BOI
-
PHL
10h 14m
2 stops
United Airlines Logo
5:00 pm - 10:56 pm
PHL
-
BOI
7h 56m
1 stop
$401United Airlines
Fri, Feb 20 - Mon, Feb 23
Delta Logo
11:30 pm - 9:22 am
BOI
-
PHL
7h 52m
1 stop
Delta Logo
5:40 am - 12:38 pm
PHL
-
BOI
8h 58m
1 stop
$411Delta
Thu, Apr 9 - Sun, Apr 12
United Airlines Logo
8:05 am - 5:14 pm
BOI
-
PHL
7h 09m
1 stop
United Airlines Logo
8:02 am - 4:02 pm
PHL
-
BOI
10h 00m
1 stop
$418United Airlines
Fri, Feb 20 - Sat, Feb 21
Southwest Logo
6:30 am - 3:05 pm
BOI
-
PHL
6h 35m
1 stop
Southwest Logo
6:25 am - 3:20 pm
PHL
-
BOI
10h 55m
2 stops
$421Southwest
Fri, Feb 20 - Sat, Feb 21
Southwest Logo
6:30 am - 6:05 pm
BOI
-
PHL
9h 35m
2 stops
Southwest Logo
5:55 am - 3:20 pm
PHL
-
BOI
11h 25m
2 stops
$426Southwest
Fri, Feb 20 - Sat, Feb 21

Frontier flights from Boise to Philadelphia

Our best Frontier deals on Boise to Philadelphia flight tickets
Frontier
Feb 22
BOI11:56 amBoise Air Term. Gowen Fld
26h 41m
1 stop
PHL4:37 pmPhiladelphia
Feb 25
PHL6:10 pmPhiladelphia
43h 01m
2 stops
BOI11:11 amBoise Air Term. Gowen Fld
$303
Frontier
Feb 15
BOI11:56 amBoise Air Term. Gowen Fld
28h 18m
1 stop
PHL6:14 pmPhiladelphia
Feb 19
PHL5:42 pmPhiladelphia
19h 29m
1 stop
BOI11:11 amBoise Air Term. Gowen Fld
$307
Frontier
Feb 15
BOI11:56 amBoise Air Term. Gowen Fld
25h 51m
2 stops
PHL3:47 pmPhiladelphia
Feb 19
PHL5:42 pmPhiladelphia
19h 29m
1 stop
BOI11:11 amBoise Air Term. Gowen Fld
$367

United Airlines flights from Boise to Philadelphia

Our best United Airlines deals on Boise to Philadelphia flight tickets
United Airlines
Feb 20
BOI8:05 amBoise Air Term. Gowen Fld
7h 09m
1 stop
PHL5:14 pmPhiladelphia
Feb 23
PHL5:00 pmPhiladelphia
7h 56m
1 stop
BOI10:56 pmBoise Air Term. Gowen Fld
$396
United Airlines
Feb 20
BOI5:00 amBoise Air Term. Gowen Fld
10h 14m
2 stops
PHL5:14 pmPhiladelphia
Feb 23
PHL5:00 pmPhiladelphia
7h 56m
1 stop
BOI10:56 pmBoise Air Term. Gowen Fld
$401
United Airlines
Feb 20
BOI8:05 amBoise Air Term. Gowen Fld
7h 09m
1 stop
PHL5:14 pmPhiladelphia
Feb 21
PHL8:02 amPhiladelphia
10h 00m
1 stop
BOI4:02 pmBoise Air Term. Gowen Fld
$418

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 February 1, 2026.
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

Sun 2/22

11:56 am-4:37 pm

1 stop26h 41m

Philadelphia

Wed 2/25

6:10 pm-11:11 am

2 stops43h 01m

$303

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Sun 2/15

11:56 am-6:14 pm

1 stop28h 18m

Philadelphia

Thu 2/19

5:42 pm-11:11 am

1 stop19h 29m

$307

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Sun 2/22

6:33 pm-6:39 am

1 stop10h 06m

Philadelphia

Wed 2/25

3:55 pm-11:38 pm

1 stop9h 43m

$356

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Sun 2/15

11:56 am-3:47 pm

2 stops25h 51m

Philadelphia

Thu 2/19

5:42 pm-11:11 am

1 stop19h 29m

$367

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Fri 2/20

8:05 am-5:14 pm

1 stop7h 09m

Philadelphia

Mon 2/23

5:00 pm-10:56 pm

1 stop7h 56m

$396

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Fri 2/20

5:00 am-5:14 pm

2 stops10h 14m

Philadelphia

Mon 2/23

5:00 pm-10:56 pm

1 stop7h 56m

$401

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Thu 4/9

11:30 pm-9:22 am

1 stop7h 52m

Philadelphia

Sun 4/12

5:40 am-12:38 pm

1 stop8h 58m

$411

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Fri 2/20

8:05 am-5:14 pm

1 stop7h 09m

Philadelphia

Sat 2/21

8:02 am-4:02 pm

1 stop10h 00m

$418

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Fri 2/20

6:30 am-3:05 pm

1 stop6h 35m

Philadelphia

Sat 2/21

6:25 am-3:20 pm

2 stops10h 55m

$421

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Fri 2/20

6:30 am-6:05 pm

2 stops9h 35m

Philadelphia

Sat 2/21

5:55 am-3:20 pm

2 stops11h 25m

$426

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 $346, 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 $377.

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 $471 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 February 2026, prices for Boise to Philadelphia flights are approximately 8% 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

Fastest flight time

7h 00m

Direct flights

None
The fastest flight from Boise to Philadelphia takes 7h 00m
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 7h 00m.

  • 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
5.7
3,054 reviews
Search Frontier flights
DeltaPriceFrom $195Free CancellationRating
7.9
8,130 reviews
Search Delta flights
United AirlinesPriceFrom $257Free CancellationRating
7.4
9,219 reviews
Search United Airlines flights
American AirlinesPriceFrom $306Free CancellationRating
7.2
11,213 reviews
Search American Airlines flights
SouthwestPriceFrom $407Free CancellationRating
8.0
4,267 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
Wildwood Crest
Ocean City
King of Prussia
Cherry Hill
Newark
Dewey Beach
Reading
North Wildwood
Avalon
Dover
Lewes
Stone Harbor
Essington
Vineland
New Castle
Pottstown
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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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