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Cheap flights from Boise to Philadelphia from $254

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 12/27. 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.
Delta Logo
8:45 am - 5:37 pmBOI-PHL
6h 52m1 stop
Delta Logo
6:18 am - 2:18 pmPHL-BOI
10h 00m1 stop
$320Delta
Find Deal
Thu, Nov 27 - Wed, Dec 3
Delta Logo
6:00 am - 6:20 pmBOI-PHL
10h 20m2 stops
Delta Logo
6:18 am - 2:18 pmPHL-BOI
10h 00m1 stop
$325Delta
Find Deal
Thu, Nov 27 - Wed, Dec 3
American Airlines Logo
2:16 pm - 11:59 pmBOI-PHL
7h 43m1 stop
American Airlines Logo
7:05 am - 1:46 pmPHL-BOI
8h 41m1 stop
$336American Airlines
Find Deal
Wed, Nov 19 - Thu, Nov 20
Southwest Logo
7:45 am - 8:20 pmBOI-PHL
10h 35m2 stops
Southwest Logo
5:40 am - 3:20 pmPHL-BOI
11h 40m2 stops
$404Southwest
Find Deal
Fri, Jan 9 - Mon, Jan 12
United Airlines Logo
12:45 pm - 9:21 pmBOI-PHL
6h 36m1 stop
United Airlines Logo
6:00 am - 11:39 amPHL-BOI
7h 39m1 stop
$455United Airlines
Find Deal
Thu, Nov 20 - Fri, Nov 21
Frontier Logo
12:54 pm - 5:31 amBOI-PHL
14h 37m1 stop
Frontier Logo
8:36 pm - 11:43 amPHL-BOI
17h 07m1 stop
$467Frontier
Find Deal
Sat, Dec 20 - Sat, Dec 27
Southwest Logo
7:05 am - 6:25 pmBOI-PHL
9h 20m2 stops
Southwest Logo
5:20 am - 10:30 amPHL-BOI
7h 10m1 stop
$492Southwest
Find Deal
Fri, Mar 27 - Fri, Apr 3
Frontier Logo
12:54 pm - 11:59 pmBOI-PHL
33h 05m2 stops
Frontier Logo
8:36 pm - 11:43 amPHL-BOI
17h 07m1 stop
$535Frontier
Find Deal
Sat, Dec 20 - Sat, Dec 27
United Airlines Logo
10:39 am - 7:27 pmBOI-PHL
6h 48m1 stop
United Airlines Logo
8:15 am - 6:54 pmPHL-BOI
12h 39m2 stops
$542United Airlines
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Tue, Nov 11 - Sat, Nov 15
American Airlines Logo
7:00 am - 7:04 pmBOI-PHL
10h 04m1 stop
American Airlines Logo
7:05 am - 1:46 pmPHL-BOI
8h 41m1 stop
$597American Airlines
Find Deal
Sun, Nov 9 - Thu, Nov 13

Alaska Airlines flights from Boise to Philadelphia

Our best Alaska Airlines deals on Boise to Philadelphia flight tickets
Alaska Airlines
Jan 9
BOI6:23 amBoise Air Term. Gowen Fld
9h 43m
1 stop
PHL6:06 pmPhiladelphia
Jan 12
PHL7:06 pmPhiladelphia
17h 46m
1 stop
BOI10:52 amBoise Air Term. Gowen Fld
$393
Find similar
Alaska Airlines
Mar 27
BOI4:30 pmBoise Air Term. Gowen Fld
10h 53m
1 stop
PHL5:23 amPhiladelphia
Apr 3
PHL7:00 amPhiladelphia
8h 47m
1 stop
BOI1:47 pmBoise Air Term. Gowen Fld
$436
Find similar
Alaska Airlines
Nov 20
BOI6:05 pmBoise Air Term. Gowen Fld
9h 37m
1 stop
PHL5:42 amPhiladelphia
Nov 23
PHL7:10 amPhiladelphia
17h 14m
1 stop
BOI10:24 pmBoise Air Term. Gowen Fld
$487
Find similar

Southwest flights from Boise to Philadelphia

Our best Southwest deals on Boise to Philadelphia flight tickets
Southwest
Jan 9
BOI7:45 amBoise Air Term. Gowen Fld
10h 35m
2 stops
PHL8:20 pmPhiladelphia
Jan 12
PHL5:40 amPhiladelphia
11h 40m
2 stops
BOI3:20 pmBoise Air Term. Gowen Fld
$404
Find similar
Southwest
Mar 27
BOI7:05 amBoise Air Term. Gowen Fld
9h 20m
2 stops
PHL6:25 pmPhiladelphia
Apr 3
PHL5:20 amPhiladelphia
7h 10m
1 stop
BOI10:30 amBoise Air Term. Gowen Fld
$492
Find similar
Southwest
Dec 24
BOI2:40 pmBoise Air Term. Gowen Fld
6h 10m
1 stop
PHL10:50 pmPhiladelphia
Dec 29
PHL4:05 pmPhiladelphia
10h 35m
2 stops
BOI12:40 amBoise Air Term. Gowen Fld
$493
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 October 28, 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 11/27

8:45 am-5:37 pm

1 stop6h 52m

Philadelphia

Wed 12/3

6:18 am-2:18 pm

1 stop10h 00m

$320

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Thu 11/27

6:00 am-6:20 pm

2 stops10h 20m

Philadelphia

Wed 12/3

6:18 am-2:18 pm

1 stop10h 00m

$325

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Wed 11/19

2:16 pm-11:59 pm

1 stop7h 43m

Philadelphia

Thu 11/20

7:05 am-1:46 pm

1 stop8h 41m

$336

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Fri 1/9

7:45 am-8:20 pm

2 stops10h 35m

Philadelphia

Mon 1/12

5:40 am-3:20 pm

2 stops11h 40m

$404

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Thu 11/20

12:45 pm-9:21 pm

1 stop6h 36m

Philadelphia

Fri 11/21

6:00 am-11:39 am

1 stop7h 39m

$455

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Sat 12/20

12:54 pm-5:31 am

1 stop14h 37m

Philadelphia

Sat 12/27

8:36 pm-11:43 am

1 stop17h 07m

$467

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Fri 3/27

7:05 am-6:25 pm

2 stops9h 20m

Philadelphia

Fri 4/3

5:20 am-10:30 am

1 stop7h 10m

$492

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Sat 12/20

12:54 pm-11:59 pm

2 stops33h 05m

Philadelphia

Sat 12/27

8:36 pm-11:43 am

1 stop17h 07m

$535

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Tue 11/11

10:39 am-7:27 pm

1 stop6h 48m

Philadelphia

Sat 11/15

8:15 am-6:54 pm

2 stops12h 39m

$542

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Sun 11/9

7:00 am-7:04 pm

1 stop10h 04m

Philadelphia

Thu 11/13

7:05 am-1:46 pm

1 stop8h 41m

$597

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 $399.

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 $472 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 October 2025, prices for Boise to Philadelphia flights are approximately 90% 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 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
3,124 reviews
Search Frontier flights
DeltaPriceFrom $228Free CancellationRating
7.9
7,994 reviews
Search Delta flights
American AirlinesPriceFrom $319Free CancellationRating
7.2
11,032 reviews
Search American Airlines flights
United AirlinesPriceFrom $342Free CancellationRating
7.4
9,001 reviews
Search United Airlines flights
SouthwestPriceFrom $407Free CancellationRating
8.0
4,240 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
Dewey Beach
Cherry Hill
Reading
Newark
North Wildwood
Dover
Avalon
Lewes
Stone Harbor
Vineland
Essington
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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