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Cheap flights from Boise to Philadelphia from $120

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 1/23. 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
9:15 am - 11:53 pm
BOI
-
PHL
12h 38m2 stops
Delta Logo
6:00 am - 4:17 pm
PHL
-
BOI
12h 17m2 stops
$336Delta
vie., ene. 23 - vie., ene. 30
Alaska Airlines Logo
3:43 pm - 6:03 pm
BOI
-
PHL
24h 20m1 stop
Alaska Airlines Logo
7:06 pm - 10:52 am
PHL
-
BOI
17h 46m1 stop
$345Alaska Airlines
vie., ene. 23 - vie., ene. 30
American Airlines Logo
2:48 pm - 6:19 am
BOI
-
PHL
13h 31m1 stop
American Airlines Logo
7:00 am - 5:15 pm
PHL
-
BOI
12h 15m1 stop
$383American Airlines
vie., ene. 23 - vie., ene. 30
Delta Logo
1:40 pm - 12:21 am
BOI
-
PHL
8h 41m1 stop
Delta Logo
5:40 am - 6:28 pm
PHL
-
BOI
14h 48m2 stops
$395Delta
vie., ene. 23 - vie., ene. 30
American Airlines Logo
3:47 pm - 12:59 am
BOI
-
PHL
7h 12m1 stop
American Airlines Logo
7:39 am - 4:46 pm
PHL
-
BOI
11h 07m1 stop
$402American Airlines
mié., may. 27 - sáb., may. 30
American Airlines Logo
2:48 pm - 6:19 am
BOI
-
PHL
13h 31m1 stop
American Airlines Logo
10:57 am - 7:25 pm
PHL
-
BOI
10h 28m2 stops
$404American Airlines
vie., ene. 23 - vie., ene. 30
Southwest Logo
7:45 am - 8:20 pm
BOI
-
PHL
10h 35m2 stops
Southwest Logo
1:50 pm - 11:10 pm
PHL
-
BOI
11h 20m2 stops
$425Southwest
vie., ene. 23 - vie., ene. 30
Alaska Airlines Logo
6:00 am - 5:28 pm
BOI
-
PHL
9h 28m1 stop
Alaska Airlines Logo
7:00 am - 4:15 pm
PHL
-
BOI
11h 15m1 stop
$436Alaska Airlines
vie., mar. 27 - mar., mar. 31
United Airlines Logo
2:43 pm - 11:55 pm
BOI
-
PHL
7h 12m1 stop
United Airlines Logo
8:00 am - 1:30 pm
PHL
-
BOI
7h 30m1 stop
$437United Airlines
mié., may. 6 - mié., may. 13
Delta Logo
11:36 pm - 9:22 am
BOI
-
PHL
7h 46m1 stop
Delta Logo
5:50 am - 5:12 pm
PHL
-
BOI
13h 22m2 stops
$442Delta
vie., mar. 27 - mar., mar. 31

Alaska Airlines flights from Boise to Philadelphia

Our best Alaska Airlines deals on Boise to Philadelphia flight tickets
Alaska Airlines
Jan 23
BOI3:43 pmBoise Air Term. Gowen Fld
24h 20m
1 stop
PHL6:03 pmPhiladelphia
Jan 30
PHL7:06 pmPhiladelphia
17h 46m
1 stop
BOI10:52 amBoise Air Term. Gowen Fld
$345
Find similar
Alaska Airlines
Mar 27
BOI6:00 amBoise Air Term. Gowen Fld
9h 28m
1 stop
PHL5:28 pmPhiladelphia
Mar 31
PHL7:00 amPhiladelphia
11h 15m
1 stop
BOI4:15 pmBoise Air Term. Gowen Fld
$436
Find similar
Alaska Airlines
Jan 25
BOI1:55 pmBoise Air Term. Gowen Fld
26h 08m
1 stop
PHL6:03 pmPhiladelphia
Jan 29
PHL7:06 pmPhiladelphia
22h 04m
1 stop
BOI3:10 pmBoise Air Term. Gowen Fld
$444
Find similar

Delta flights from Boise to Philadelphia

Our best Delta deals on Boise to Philadelphia flight tickets
Delta
Jan 23
BOI9:15 amBoise Air Term. Gowen Fld
12h 38m
2 stops
PHL11:53 pmPhiladelphia
Jan 30
PHL6:00 amPhiladelphia
12h 17m
2 stops
BOI4:17 pmBoise Air Term. Gowen Fld
$336
Find similar
Delta
Jan 23
BOI1:40 pmBoise Air Term. Gowen Fld
8h 41m
1 stop
PHL12:21 amPhiladelphia
Jan 30
PHL5:40 amPhiladelphia
14h 48m
2 stops
BOI6:28 pmBoise Air Term. Gowen Fld
$395
Find similar
Delta
Mar 27
BOI11:36 pmBoise Air Term. Gowen Fld
7h 46m
1 stop
PHL9:22 amPhiladelphia
Mar 31
PHL5:50 amPhiladelphia
13h 22m
2 stops
BOI5:12 pmBoise Air Term. Gowen Fld
$442
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 diciembre 11, 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

vie. 1/23

9:15 am-11:53 pm

2 stops12h 38m

Philadelphia

vie. 1/30

6:00 am-4:17 pm

2 stops12h 17m

$336

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

vie. 1/23

3:43 pm-6:03 pm

1 stop24h 20m

Philadelphia

vie. 1/30

7:06 pm-10:52 am

1 stop17h 46m

$345

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

vie. 1/23

2:48 pm-6:19 am

1 stop13h 31m

Philadelphia

vie. 1/30

7:00 am-5:15 pm

1 stop12h 15m

$383

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

vie. 1/23

1:40 pm-12:21 am

1 stop8h 41m

Philadelphia

vie. 1/30

5:40 am-6:28 pm

2 stops14h 48m

$395

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

mié. 5/27

3:47 pm-12:59 am

1 stop7h 12m

Philadelphia

sáb. 5/30

7:39 am-4:46 pm

1 stop11h 07m

$402

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

vie. 1/23

2:48 pm-6:19 am

1 stop13h 31m

Philadelphia

vie. 1/30

10:57 am-7:25 pm

2 stops10h 28m

$404

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

vie. 1/23

7:45 am-8:20 pm

2 stops10h 35m

Philadelphia

vie. 1/30

1:50 pm-11:10 pm

2 stops11h 20m

$425

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

vie. 3/27

6:00 am-5:28 pm

1 stop9h 28m

Philadelphia

mar. 3/31

7:00 am-4:15 pm

1 stop11h 15m

$436

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

mié. 5/6

2:43 pm-11:55 pm

1 stop7h 12m

Philadelphia

mié. 5/13

8:00 am-1:30 pm

1 stop7h 30m

$437

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

vie. 3/27

11:36 pm-9:22 am

1 stop7h 46m

Philadelphia

mar. 3/31

5:50 am-5:12 pm

2 stops13h 22m

$442

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 14% 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
5.8
3,084 reviews
Search Frontier flights
DeltaPriceFrom $208Free CancellationRating
7.9
8,008 reviews
Search Delta flights
American AirlinesPriceFrom $319Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
United AirlinesPriceFrom $342Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
SouthwestPriceFrom $416Free CancellationRating
7.9
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
Ocean City
Wildwood Crest
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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