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Cheap flights from Boise to Philadelphia from $117

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 2/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
Delta Logo
3:03 pm - 11:58 pm
BOI
-
PHL
6h 55m
1 stop
Delta Logo
2:34 pm - 8:51 pm
PHL
-
BOI
8h 17m
1 stop
$257Delta
Wed, Apr 22 - Tue, Apr 28
Delta Logo
5:30 am - 7:43 pm
BOI
-
PHL
12h 13m
2 stops
Delta Logo
5:50 am - 1:00 pm
PHL
-
BOI
9h 10m
1 stop
$262Delta
Wed, Apr 22 - Wed, Apr 29
Delta Logo
8:01 pm - 8:45 am
BOI
-
PHL
10h 44m
2 stops
Delta Logo
5:30 pm - 11:57 pm
PHL
-
BOI
8h 27m
2 stops
$268Delta
Wed, Apr 22 - Tue, May 5
Multiple Airlines Logo
12:38 pm - 5:55 pm
BOI
-
PHL
27h 17m
1 stop
Multiple Airlines Logo
7:46 pm - 11:51 am
PHL
-
BOI
42h 05m
2 stops
$291Multiple Airlines
Thu, Feb 26 - Tue, Mar 3
Alaska Airlines Logo
6:04 pm - 6:05 am
BOI
-
PHL
10h 01m
1 stop
Alaska Airlines Logo
7:22 am - 3:33 pm
PHL
-
BOI
10h 11m
1 stop
$297Alaska Airlines
Tue, Apr 21 - Sat, May 2
Delta Logo
5:30 am - 1:29 pm
BOI
-
PHL
5h 59m
1 stop
Delta Logo
7:00 am - 12:07 pm
PHL
-
BOI
7h 07m
1 stop
$324Delta
Wed, Apr 22 - Thu, Apr 30
Delta Logo
2:10 pm - 12:51 am
BOI
-
PHL
8h 41m
1 stop
Delta Logo
12:20 pm - 10:10 pm
PHL
-
BOI
11h 50m
2 stops
$329Delta
Thu, Apr 23 - Sat, May 2
Delta Logo
7:15 pm - 8:50 am
BOI
-
PHL
11h 35m
2 stops
Delta Logo
12:29 pm - 9:56 pm
PHL
-
BOI
11h 27m
2 stops
$335Delta
Thu, Feb 26 - Tue, Mar 3
Alaska Airlines Logo
6:05 pm - 6:02 am
BOI
-
PHL
9h 57m
1 stop
Alaska Airlines Logo
7:22 am - 3:33 pm
PHL
-
BOI
10h 11m
1 stop
$337Alaska Airlines
Wed, Apr 22 - Sat, May 2
Alaska Airlines Logo
8:10 am - 5:58 pm
BOI
-
PHL
7h 48m
1 stop
Alaska Airlines Logo
7:22 am - 3:33 pm
PHL
-
BOI
10h 11m
1 stop
$347Alaska Airlines
Fri, Apr 24 - Tue, Apr 28

Alaska Airlines flights from Boise to Philadelphia

Our best Alaska Airlines deals on Boise to Philadelphia flight tickets
Alaska Airlines
Apr 21
BOI6:04 pmBoise Air Term. Gowen Fld
10h 01m
1 stop
PHL6:05 amPhiladelphia
May 2
PHL7:22 amPhiladelphia
10h 11m
1 stop
BOI3:33 pmBoise Air Term. Gowen Fld
$297
Alaska Airlines
Apr 22
BOI6:05 pmBoise Air Term. Gowen Fld
9h 57m
1 stop
PHL6:02 amPhiladelphia
May 2
PHL7:22 amPhiladelphia
10h 11m
1 stop
BOI3:33 pmBoise Air Term. Gowen Fld
$337
Alaska Airlines
Apr 24
BOI8:10 amBoise Air Term. Gowen Fld
7h 48m
1 stop
PHL5:58 pmPhiladelphia
Apr 28
PHL7:22 amPhiladelphia
10h 11m
1 stop
BOI3:33 pmBoise Air Term. Gowen Fld
$347

Southwest flights from Boise to Philadelphia

Our best Southwest deals on Boise to Philadelphia flight tickets
Southwest
Feb 9
BOI12:30 pmBoise Air Term. Gowen Fld
7h 45m
1 stop
PHL10:15 pmPhiladelphia
Feb 12
PHL6:05 amPhiladelphia
10h 55m
1 stop
BOI3:00 pmBoise Air Term. Gowen Fld
$371
Southwest
Apr 23
BOI4:20 pmBoise Air Term. Gowen Fld
6h 15m
1 stop
PHL12:35 amPhiladelphia
Apr 27
PHL4:30 pmPhiladelphia
10h 15m
2 stops
BOI12:45 amBoise Air Term. Gowen Fld
$376
Southwest
Feb 9
BOI12:30 pmBoise Air Term. Gowen Fld
7h 45m
1 stop
PHL10:15 pmPhiladelphia
Feb 13
PHL6:45 pmPhiladelphia
7h 25m
1 stop
BOI12:10 amBoise Air Term. Gowen Fld
$387

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 January 15, 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

Wed 4/22

3:03 pm-11:58 pm

1 stop6h 55m

Philadelphia

Tue 4/28

2:34 pm-8:51 pm

1 stop8h 17m

$257

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Wed 4/22

5:30 am-7:43 pm

2 stops12h 13m

Philadelphia

Wed 4/29

5:50 am-1:00 pm

1 stop9h 10m

$262

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Wed 4/22

8:01 pm-8:45 am

2 stops10h 44m

Philadelphia

Tue 5/5

5:30 pm-11:57 pm

2 stops8h 27m

$268

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Thu 2/26

12:38 pm-5:55 pm

1 stop27h 17m

Philadelphia

Tue 3/3

7:46 pm-11:51 am

2 stops42h 05m

$291

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Tue 4/21

6:04 pm-6:05 am

1 stop10h 01m

Philadelphia

Sat 5/2

7:22 am-3:33 pm

1 stop10h 11m

$297

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Wed 4/22

5:30 am-1:29 pm

1 stop5h 59m

Philadelphia

Thu 4/30

7:00 am-12:07 pm

1 stop7h 07m

$324

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Thu 4/23

2:10 pm-12:51 am

1 stop8h 41m

Philadelphia

Sat 5/2

12:20 pm-10:10 pm

2 stops11h 50m

$329

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Thu 2/26

7:15 pm-8:50 am

2 stops11h 35m

Philadelphia

Tue 3/3

12:29 pm-9:56 pm

2 stops11h 27m

$335

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Wed 4/22

6:05 pm-6:02 am

1 stop9h 57m

Philadelphia

Sat 5/2

7:22 am-3:33 pm

1 stop10h 11m

$337

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Fri 4/24

8:10 am-5:58 pm

1 stop7h 48m

Philadelphia

Tue 4/28

7:22 am-3:33 pm

1 stop10h 11m

$347

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 $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 $393.

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 $479 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 January 2026, prices for Boise to Philadelphia flights are approximately 73% 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 53m

Direct flights

None
The fastest flight from Boise to Philadelphia takes 6h 53m
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 53m.

  • 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
3,057 reviews
Search Frontier flights
DeltaPriceFrom $208Free CancellationRating
7.9
8,051 reviews
Search Delta flights
American AirlinesPriceFrom $319Free CancellationRating
7.2
11,136 reviews
Search American Airlines flights
United AirlinesPriceFrom $342Free CancellationRating
7.4
9,164 reviews
Search United Airlines flights
SouthwestPriceFrom $407Free CancellationRating
8.0
4,258 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
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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