Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Philadelphia to Boise from $159

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 3/31. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Philadelphia to Boise

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
2:59 pm - 8:29 pm
PHL
-
BOI
7h 30m
1 stop
Delta Logo
6:41 pm - 6:10 am
BOI
-
PHL
9h 29m
1 stop
$317Delta
Tue, May 5 - Tue, May 12
Delta Logo
2:59 pm - 9:56 pm
PHL
-
BOI
8h 57m
2 stops
Delta Logo
6:00 pm - 5:37 am
BOI
-
PHL
9h 37m
1 stop
$322Delta
Tue, May 5 - Tue, May 12
Delta Logo
2:59 pm - 11:57 pm
PHL
-
BOI
10h 58m
2 stops
Delta Logo
8:56 am - 11:07 pm
BOI
-
PHL
12h 11m
2 stops
$327Delta
Tue, May 5 - Tue, May 12
Southwest Logo
5:50 am - 10:55 am
PHL
-
BOI
7h 05m
1 stop
Southwest Logo
4:20 pm - 12:35 am
BOI
-
PHL
6h 15m
1 stop
$337Southwest
Wed, Apr 15 - Mon, Apr 20
Southwest Logo
6:20 am - 3:25 pm
PHL
-
BOI
11h 05m
2 stops
Southwest Logo
4:20 pm - 12:35 am
BOI
-
PHL
6h 15m
1 stop
$342Southwest
Wed, Apr 15 - Mon, Apr 20
Delta Logo
12:26 pm - 10:35 pm
PHL
-
BOI
12h 09m
2 stops
Delta Logo
8:40 pm - 8:55 am
BOI
-
PHL
10h 15m
2 stops
$347Delta
Wed, Apr 8 - Wed, Apr 15
Frontier Logo
8:25 pm - 11:08 am
PHL
-
BOI
16h 43m
1 stop
Frontier Logo
11:53 am - 8:10 am
BOI
-
PHL
42h 17m
2 stops
$352Frontier
Sat, May 9 - Sun, May 17
Alaska Airlines Logo
7:25 am - 3:29 pm
PHL
-
BOI
10h 04m
1 stop
Alaska Airlines Logo
6:04 pm - 6:05 am
BOI
-
PHL
10h 01m
1 stop
$357Alaska Airlines
Tue, Apr 14 - Sat, Apr 18
Delta Logo
6:49 pm - 11:59 pm
PHL
-
BOI
7h 10m
1 stop
Delta Logo
11:35 pm - 11:48 am
BOI
-
PHL
10h 13m
2 stops
$362Delta
Mon, Apr 6 - Mon, Apr 13
Delta Logo
6:00 am - 2:26 pm
PHL
-
BOI
10h 26m
2 stops
Delta Logo
8:59 am - 10:50 pm
BOI
-
PHL
11h 51m
2 stops
$367Delta
Wed, Apr 15 - Mon, Apr 20

American Airlines flights from Philadelphia to Boise

Our best American Airlines deals on Philadelphia to Boise flight tickets
American Airlines
May 8
PHL6:00 amPhiladelphia
8h 49m
1 stop
BOI12:49 pmBoise Air Term. Gowen Fld
May 12
BOI1:29 pmBoise Air Term. Gowen Fld
8h 30m
1 stop
PHL11:59 pmPhiladelphia
$387
American Airlines
Apr 3
PHL5:00 amPhiladelphia
9h 48m
1 stop
BOI12:48 pmBoise Air Term. Gowen Fld
Apr 10
BOI1:29 pmBoise Air Term. Gowen Fld
8h 30m
1 stop
PHL11:59 pmPhiladelphia
$466

Alaska Airlines flights from Philadelphia to Boise

Our best Alaska Airlines deals on Philadelphia to Boise flight tickets
Alaska Airlines
Apr 14
PHL7:25 amPhiladelphia
10h 04m
1 stop
BOI3:29 pmBoise Air Term. Gowen Fld
Apr 18
BOI6:04 pmBoise Air Term. Gowen Fld
10h 01m
1 stop
PHL6:05 amPhiladelphia
$357
Alaska Airlines
Apr 24
PHL6:58 pmPhiladelphia
25h 36m
1 stop
BOI6:34 pmBoise Air Term. Gowen Fld
May 10
BOI6:00 amBoise Air Term. Gowen Fld
22h 02m
1 stop
PHL6:02 amPhiladelphia
$395
Alaska Airlines
Apr 17
PHL7:25 amPhiladelphia
14h 23m
1 stop
BOI7:48 pmBoise Air Term. Gowen Fld
Apr 20
BOI2:22 pmBoise Air Term. Gowen Fld
25h 25m
1 stop
PHL5:47 pmPhiladelphia
$396

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 March 11, 2026.
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

Cheapest round-trip

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Tue 5/5

2:59 pm-8:29 pm

1 stop7h 30m

Boise Air Term. Gowen Fld

Tue 5/12

6:41 pm-6:10 am

1 stop9h 29m

$317

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Tue 5/5

2:59 pm-9:56 pm

2 stops8h 57m

Boise Air Term. Gowen Fld

Tue 5/12

6:00 pm-5:37 am

1 stop9h 37m

$322

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Tue 5/5

2:59 pm-11:57 pm

2 stops10h 58m

Boise Air Term. Gowen Fld

Tue 5/12

8:56 am-11:07 pm

2 stops12h 11m

$327
Quickest round-trip

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Wed 4/15

5:50 am-10:55 am

1 stop7h 05m

Boise Air Term. Gowen Fld

Mon 4/20

4:20 pm-12:35 am

1 stop6h 15m

$337

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Wed 4/15

6:20 am-3:25 pm

2 stops11h 05m

Boise Air Term. Gowen Fld

Mon 4/20

4:20 pm-12:35 am

1 stop6h 15m

$342

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Wed 4/8

12:26 pm-10:35 pm

2 stops12h 09m

Boise Air Term. Gowen Fld

Wed 4/15

8:40 pm-8:55 am

2 stops10h 15m

$347

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Sat 5/9

8:25 pm-11:08 am

1 stop16h 43m

Boise Air Term. Gowen Fld

Sun 5/17

11:53 am-8:10 am

2 stops42h 17m

$352

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Tue 4/14

7:25 am-3:29 pm

1 stop10h 04m

Boise Air Term. Gowen Fld

Sat 4/18

6:04 pm-6:05 am

1 stop10h 01m

$357

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Mon 4/6

6:49 pm-11:59 pm

1 stop7h 10m

Boise Air Term. Gowen Fld

Mon 4/13

11:35 pm-11:48 am

2 stops10h 13m

$362

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Wed 4/15

6:00 am-2:26 pm

2 stops10h 26m

Boise Air Term. Gowen Fld

Mon 4/20

8:59 am-10:50 pm

2 stops11h 51m

$367

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $358. 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 $365.

What is the cheapest Philadelphia to Boise Air Term. Gowen Fld flight route?

Fly from Philadelphia to Boise Air Term. Gowen Fld for the best Philadelphia - Boise Air Term. Gowen Fld flight prices

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 $452 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 $313 on momondo.

What cabin class options are available on Philadelphia to Boise Air Term. Gowen Fld flights?

There is only 1 cabin class available to choose from on Philadelphia to Boise Air Term. Gowen Fld flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Philadelphia to Boise flight prices changed over time?

As of March 2026, prices for Philadelphia to Boise flights are approximately 52% 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

Fastest flight time

6h 40m

Direct flights

None
The fastest flight from Philadelphia to Boise takes 6h 40m
There are no direct flights from Philadelphia to Boise. There are no popular flight routes from Philadelphia to Boise.
Search flight deals

  • 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 40m.

  • 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
DeltaPriceFrom $262Free CancellationRating
7.9
8,278 reviews
Search Delta flights
American AirlinesPriceFrom $283Free CancellationRating
7.1
11,419 reviews
Search American Airlines flights
United AirlinesPriceFrom $350Free CancellationRating
7.4
9,414 reviews
Search United Airlines flights
SouthwestPriceFrom $358Free CancellationRating
8.0
4,317 reviews
Search Southwest 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.

An easier way to manage your Boise trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 4/10
Fri 4/17
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States