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Cheap flights from Boise to Philadelphia from $116

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 1/1. 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.
American Airlines Logo
6:13 am - 4:34 pm
BOI
-
PHL
8h 21m1 stop
American Airlines Logo
5:00 am - 1:08 pm
PHL
-
BOI
10h 08m1 stop
$319American Airlines
Wed, Jan 14 - Sat, Jan 17
American Airlines Logo
12:37 pm - 11:55 pm
BOI
-
PHL
9h 18m2 stops
American Airlines Logo
6:21 am - 1:08 pm
PHL
-
BOI
8h 47m1 stop
$324American Airlines
Wed, Jan 14 - Sat, Jan 17
American Airlines Logo
12:37 pm - 11:55 pm
BOI
-
PHL
9h 18m2 stops
American Airlines Logo
5:53 am - 2:22 pm
PHL
-
BOI
10h 29m2 stops
$329American Airlines
Wed, Jan 14 - Sat, Jan 17
Alaska Airlines Logo
1:55 pm - 6:03 pm
BOI
-
PHL
26h 08m1 stop
Alaska Airlines Logo
7:06 pm - 11:01 pm
PHL
-
BOI
29h 55m1 stop
$334Alaska Airlines
Fri, Jan 23 - Fri, Jan 30
United Airlines Logo
6:10 am - 5:34 pm
BOI
-
PHL
9h 24m2 stops
United Airlines Logo
6:30 am - 12:39 pm
PHL
-
BOI
8h 09m1 stop
$361United Airlines
Thu, Jan 15 - Sun, Jan 18
American Airlines Logo
3:18 pm - 11:55 pm
BOI
-
PHL
6h 37m1 stop
American Airlines Logo
6:21 am - 1:08 pm
PHL
-
BOI
8h 47m1 stop
$375American Airlines
Thu, Jan 15 - Sun, Jan 18
Delta Logo
7:15 pm - 8:50 am
BOI
-
PHL
11h 35m2 stops
Delta Logo
6:15 am - 1:34 pm
PHL
-
BOI
9h 19m1 stop
$384Delta
Fri, Jan 23 - Fri, Jan 30
United Airlines Logo
6:10 am - 5:34 pm
BOI
-
PHL
9h 24m2 stops
United Airlines Logo
6:30 am - 1:35 pm
PHL
-
BOI
9h 05m2 stops
$385United Airlines
Thu, Jan 15 - Sun, Jan 18
United Airlines Logo
6:10 am - 3:50 pm
BOI
-
PHL
7h 40m1 stop
United Airlines Logo
5:00 pm - 10:57 pm
PHL
-
BOI
7h 57m1 stop
$419United Airlines
Sun, Jan 18 - Thu, Jan 22
Delta Logo
7:25 am - 11:56 pm
BOI
-
PHL
14h 31m2 stops
Delta Logo
6:15 am - 4:17 pm
PHL
-
BOI
12h 02m2 stops
$420Delta
Fri, Jan 23 - Fri, Jan 30

Delta flights from Boise to Philadelphia

Our best Delta deals on Boise to Philadelphia flight tickets
Delta
Jan 14
BOI1:41 pmBoise Air Term. Gowen Fld
8h 40m
1 stop
PHL12:21 amPhiladelphia
Jan 17
PHL6:00 amPhiladelphia
10h 02m
1 stop
BOI2:02 pmBoise Air Term. Gowen Fld
$319
Find similar
Delta
Jan 14
BOI9:15 amBoise Air Term. Gowen Fld
11h 58m
2 stops
PHL11:13 pmPhiladelphia
Jan 17
PHL6:00 amPhiladelphia
10h 02m
1 stop
BOI2:02 pmBoise Air Term. Gowen Fld
$324
Find similar
Delta
Jan 23
BOI7:15 pmBoise Air Term. Gowen Fld
14h 23m
2 stops
PHL11:38 amPhiladelphia
Jan 30
PHL5:40 amPhiladelphia
8h 50m
1 stop
BOI12:30 pmBoise Air Term. Gowen Fld
$384
Find similar

American Airlines flights from Boise to Philadelphia

Our best American Airlines deals on Boise to Philadelphia flight tickets
American Airlines
Jan 14
BOI12:37 pmBoise Air Term. Gowen Fld
9h 18m
2 stops
PHL11:55 pmPhiladelphia
Jan 17
PHL5:53 amPhiladelphia
10h 29m
2 stops
BOI2:22 pmBoise Air Term. Gowen Fld
$329
Find similar
American Airlines
Jan 15
BOI3:18 pmBoise Air Term. Gowen Fld
6h 37m
1 stop
PHL11:55 pmPhiladelphia
Jan 18
PHL6:21 amPhiladelphia
8h 47m
1 stop
BOI1:08 pmBoise Air Term. Gowen Fld
$375
Find similar
American Airlines
Dec 28
BOI2:18 pmBoise Air Term. Gowen Fld
7h 41m
1 stop
PHL11:59 pmPhiladelphia
Dec 31
PHL9:00 amPhiladelphia
10h 21m
1 stop
BOI5:21 pmBoise Air Term. Gowen Fld
$583
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 December 23, 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

Wed 1/14

6:13 am-4:34 pm

1 stop8h 21m

Philadelphia

Sat 1/17

5:00 am-1:08 pm

1 stop10h 08m

$319

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Wed 1/14

12:37 pm-11:55 pm

2 stops9h 18m

Philadelphia

Sat 1/17

6:21 am-1:08 pm

1 stop8h 47m

$324

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Wed 1/14

12:37 pm-11:55 pm

2 stops9h 18m

Philadelphia

Sat 1/17

5:53 am-2:22 pm

2 stops10h 29m

$329

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Fri 1/23

1:55 pm-6:03 pm

1 stop26h 08m

Philadelphia

Fri 1/30

7:06 pm-11:01 pm

1 stop29h 55m

$334

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Thu 1/15

6:10 am-5:34 pm

2 stops9h 24m

Philadelphia

Sun 1/18

6:30 am-12:39 pm

1 stop8h 09m

$361

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Thu 1/15

3:18 pm-11:55 pm

1 stop6h 37m

Philadelphia

Sun 1/18

6:21 am-1:08 pm

1 stop8h 47m

$375

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Fri 1/23

7:15 pm-8:50 am

2 stops11h 35m

Philadelphia

Fri 1/30

6:15 am-1:34 pm

1 stop9h 19m

$384

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Thu 1/15

6:10 am-5:34 pm

2 stops9h 24m

Philadelphia

Sun 1/18

6:30 am-1:35 pm

2 stops9h 05m

$385

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Sun 1/18

6:10 am-3:50 pm

1 stop7h 40m

Philadelphia

Thu 1/22

5:00 pm-10:57 pm

1 stop7h 57m

$419

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Fri 1/23

7:25 am-11:56 pm

2 stops14h 31m

Philadelphia

Fri 1/30

6:15 am-4:17 pm

2 stops12h 02m

$420

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.

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 December 2025, prices for Boise to Philadelphia flights are approximately 13% 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 35m

Direct flights

None
The fastest flight from Boise to Philadelphia takes 6h 35m
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 35m.

  • 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
3,075 reviews
Search Frontier flights
DeltaPriceFrom $208Free CancellationRating
7.9
8,014 reviews
Search Delta flights
American AirlinesPriceFrom $319Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
United AirlinesPriceFrom $342Free CancellationRating
7.4
9,105 reviews
Search United Airlines flights
SouthwestPriceFrom $416Free CancellationRating
8.0
4,253 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
Pottstown
Elkton
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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