Cheap flights from Philadelphia to Boise from $167

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Boise departing on 9/28. 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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Cheap round-trip flights

Delta Logo
6:51 pm - 11:59 pmPHL-BOI
7h 08m1 stop
Delta Logo
1:39 pm - 12:52 amBOI-PHL
9h 13m1 stop
$297Delta
Find Deal
Wed, Oct 1 - Sat, Oct 11
Alaska Airlines Logo
6:57 pm - 9:28 amPHL-BOI
16h 31m1 stop
Alaska Airlines Logo
7:17 pm - 6:02 amBOI-PHL
8h 45m1 stop
$301Alaska Airlines
Find Deal
Wed, Sep 17 - Tue, Sep 23
American Airlines Logo
1:43 pm - 10:15 pmPHL-BOI
10h 32m1 stop
American Airlines Logo
1:20 pm - 11:32 pmBOI-PHL
8h 12m1 stop
$317American Airlines
Find Deal
Wed, Feb 4 - Tue, Feb 10
Frontier Logo
6:45 am - 11:37 amPHL-BOI
6h 52m1 stop
Frontier Logo
12:22 pm - 12:57 amBOI-PHL
10h 35m1 stop
$323Frontier
Find Deal
Fri, Oct 3 - Sun, Oct 5
American Airlines Logo
6:42 am - 12:48 pmPHL-BOI
8h 06m1 stop
American Airlines Logo
4:40 pm - 5:07 amBOI-PHL
10h 27m1 stop
$333American Airlines
Find Deal
Wed, Oct 1 - Wed, Oct 8
Frontier Logo
6:42 am - 11:43 amPHL-BOI
7h 01m1 stop
Frontier Logo
12:28 pm - 5:19 amBOI-PHL
14h 51m1 stop
$336Frontier
Find Deal
Thu, Oct 16 - Sun, Oct 19
United Airlines Logo
6:30 am - 11:31 amPHL-BOI
7h 01m1 stop
United Airlines Logo
10:45 am - 12:21 amBOI-PHL
11h 36m2 stops
$349United Airlines
Find Deal
Wed, Sep 17 - Tue, Sep 23
United Airlines Logo
10:30 am - 6:07 pmPHL-BOI
9h 37m2 stops
United Airlines Logo
9:48 am - 9:51 pmBOI-PHL
10h 03m2 stops
$358United Airlines
Find Deal
Tue, Jan 6 - Tue, Jan 13
Southwest Logo
7:15 am - 2:05 pmPHL-BOI
8h 50m1 stop
Southwest Logo
5:15 am - 3:05 pmBOI-PHL
7h 50m2 stops
$367Southwest
Find Deal
Sat, Nov 1 - Tue, Nov 11
Southwest Logo
6:00 am - 3:05 pmPHL-BOI
11h 05m2 stops
Southwest Logo
5:15 am - 3:05 pmBOI-PHL
7h 50m2 stops
$372Southwest
Find Deal
Sat, Nov 1 - Tue, Nov 11

Delta flights from Philadelphia to Boise

Our best Delta deals on Philadelphia to Boise flight tickets
Delta
Oct 1
PHL6:51 pmPhiladelphia
7h 08m
1 stop
BOI11:59 pmBoise Air Term. Gowen Fld
Oct 11
BOI1:39 pmBoise Air Term. Gowen Fld
9h 13m
1 stop
PHL12:52 amPhiladelphia
Delta
Oct 1
PHL12:47 pmPhiladelphia
13h 10m
2 stops
BOI11:57 pmBoise Air Term. Gowen Fld
Oct 11
BOI1:39 pmBoise Air Term. Gowen Fld
9h 13m
1 stop
PHL12:52 amPhiladelphia
Delta
Oct 7
PHL5:20 pmPhiladelphia
8h 34m
2 stops
BOI11:54 pmBoise Air Term. Gowen Fld
Oct 20
BOI7:45 pmBoise Air Term. Gowen Fld
10h 56m
2 stops
PHL8:41 amPhiladelphia

United Airlines flights from Philadelphia to Boise

Our best United Airlines deals on Philadelphia to Boise flight tickets
United Airlines
Sep 17
PHL6:30 amPhiladelphia
7h 01m
1 stop
BOI11:31 amBoise Air Term. Gowen Fld
Sep 23
BOI10:45 amBoise Air Term. Gowen Fld
11h 36m
2 stops
PHL12:21 amPhiladelphia
United Airlines
Sep 5
PHL6:30 amPhiladelphia
9h 19m
1 stop
BOI1:49 pmBoise Air Term. Gowen Fld
Sep 6
BOI10:35 amBoise Air Term. Gowen Fld
8h 56m
2 stops
PHL9:31 pmPhiladelphia
United Airlines
Jan 6
PHL10:30 amPhiladelphia
9h 37m
2 stops
BOI6:07 pmBoise Air Term. Gowen Fld
Jan 13
BOI9:48 amBoise Air Term. Gowen Fld
10h 03m
2 stops
PHL9:51 pmPhiladelphia

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to Boise 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 August 28, 2025.
Use the filters below to find and compare flights from Philadelphia to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Wed 10/1

6:51 pm-11:59 pm

1 stop7h 08m

Boise Air Term. Gowen Fld

Sat 10/11

1:39 pm-12:52 am

1 stop9h 13m

$297

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Wed 9/17

6:57 pm-9:28 am

1 stop16h 31m

Boise Air Term. Gowen Fld

Tue 9/23

7:17 pm-6:02 am

1 stop8h 45m

$301

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Wed 2/4

1:43 pm-10:15 pm

1 stop10h 32m

Boise Air Term. Gowen Fld

Tue 2/10

1:20 pm-11:32 pm

1 stop8h 12m

$317

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Fri 10/3

6:45 am-11:37 am

1 stop6h 52m

Boise Air Term. Gowen Fld

Sun 10/5

12:22 pm-12:57 am

1 stop10h 35m

$323

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Wed 10/1

6:42 am-12:48 pm

1 stop8h 06m

Boise Air Term. Gowen Fld

Wed 10/8

4:40 pm-5:07 am

1 stop10h 27m

$333

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Thu 10/16

6:42 am-11:43 am

1 stop7h 01m

Boise Air Term. Gowen Fld

Sun 10/19

12:28 pm-5:19 am

1 stop14h 51m

$336

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Wed 9/17

6:30 am-11:31 am

1 stop7h 01m

Boise Air Term. Gowen Fld

Tue 9/23

10:45 am-12:21 am

2 stops11h 36m

$349

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Tue 1/6

10:30 am-6:07 pm

2 stops9h 37m

Boise Air Term. Gowen Fld

Tue 1/13

9:48 am-9:51 pm

2 stops10h 03m

$358

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Sat 11/1

7:15 am-2:05 pm

1 stop8h 50m

Boise Air Term. Gowen Fld

Tue 11/11

5:15 am-3:05 pm

2 stops7h 50m

$367

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Sat 11/1

6:00 am-3:05 pm

2 stops11h 05m

Boise Air Term. Gowen Fld

Tue 11/11

5:15 am-3:05 pm

2 stops7h 50m

$372

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 Boise from

How to get the cheapest flight ticket from Philadelphia to Boise

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 Boise?

The month of September is, on average, the cheapest month to fly to Boise from Philadelphia, with most prices found around $371. If you aren’t able to travel during the month of September, then book flights to Boise from Philadelphia during August instead. Flights to Boise in August, while not as cheap as those in September, still average around $373.

What is the cheapest day to depart on your flight to Boise?

Our data shows that Tuesday is the least expensive day to fly to Boise. Tickets to fly out on this day can be as low as $421. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $618. These prices are subject to change though, so be sure to set up a Price Alert for flights to Boise.

What is the cheapest time of day to depart on your flight to Boise?

Our data shows that the cheapest Philadelphia to Boise flights are usually those with departure times at noon. Our users have found flights to Boise at noon for as low as $302. In the evening is when there is more demand to fly to Boise, so prices are often more expensive at around $655 per ticket.

How far in advance should I book a flight to Boise?

You are more likely to see cheaper flights to Boise from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Boise for around $484 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boise from Philadelphia for as low as $388 on momondo.

How have Philadelphia to Boise flight prices changed over time?

As of August 2025, prices for Philadelphia to Boise flights are approximately 22% cheaper when compared to flights at the same time last year.

When to book flights from Philadelphia to Boise

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Boise according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Philadelphia to Boise (PHL to BOI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Boise

Direct flights

None
There are no direct flights from Philadelphia to Boise. There are no popular flight routes from Philadelphia to Boise.
  • How far is Philadelphia to Boise Air Term. Gowen Fld by plane?

    Boise Air Term. Gowen Fld is 2106.8 mi away from Philadelphia. In terms of flight time, this usually takes a little over 6h 52m.

  • When did momondo last update prices for flights from Philadelphia Airport to Boise Air Term. Gowen Fld Airport?

    Prices for flights from Philadelphia Airport to Boise Air Term. Gowen Fld Airport refresh daily.

  • How many operators does momondo search for flights from Philadelphia Airport to Boise Air Term. Gowen Fld Airport?

  • How old do you have to be to fly from Philadelphia Airport to Boise Air Term. Gowen Fld Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Philadelphia Airport to Boise Air Term. Gowen Fld Airport.

  • What documentation or ID do you need to fly to Boise Air Term. Gowen Fld Airport?

    The travel and health documents you'll need for your trip to Boise Air Term. Gowen Fld Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Boise Air Term. Gowen Fld Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Philadelphia to Boise?

Best airlines flying from Philadelphia to Boise

Compare and see reviews for airlines that fly from Philadelphia to Boise with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $316Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $324Free CancellationRating
7.9
7,977 reviews
Search Delta flights
SouthwestPriceFrom $358Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $372Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Nampa
Meridian
McCall
Caldwell
Ontario
Eagle

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Boise?

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 Boise from Philadelphia.

Can I find flights from Philadelphia to Boise with flexible booking policies on momondo?

All flight searches from Philadelphia to Boise on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Philadelphia to Boise?

Once all potential Philadelphia to Boise flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Philadelphia to Boise right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Philadelphia to Boise flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Tue 9/2
Tue 9/9

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