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Cheap flights from Philadelphia to Boise from $128

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 8/14. 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.

Find the cheapest flights from Philadelphia to Boise

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
9:35 am - 4:49 pm
PHL
-
BOI
9h 14m
1 stop
American Airlines Logo
2:58 pm - 11:59 pm
BOI
-
PHL
7h 01m
1 stop
$221American Airlines
Sat, Aug 22 - Sat, Aug 29
Delta Logo
7:05 am - 3:18 pm
PHL
-
BOI
10h 13m
1 stop
Delta Logo
6:45 pm - 6:05 am
BOI
-
PHL
9h 20m
1 stop
$238Delta
Tue, Aug 4 - Thu, Aug 6
Delta Logo
7:05 am - 3:11 pm
PHL
-
BOI
10h 06m
1 stop
Delta Logo
6:45 pm - 6:05 am
BOI
-
PHL
9h 20m
1 stop
$250Delta
Wed, Jul 29 - Thu, Aug 6
Delta Logo
7:05 am - 3:18 pm
PHL
-
BOI
10h 13m
1 stop
Delta Logo
6:45 pm - 6:05 am
BOI
-
PHL
9h 20m
1 stop
$255Delta
Tue, Aug 4 - Fri, Aug 7
Delta Logo
5:40 am - 10:57 am
PHL
-
BOI
7h 17m
1 stop
Delta Logo
5:59 pm - 5:50 am
BOI
-
PHL
9h 51m
1 stop
$258Delta
Sun, Jul 26 - Tue, Aug 4
Delta Logo
7:05 am - 3:11 pm
PHL
-
BOI
10h 06m
1 stop
Delta Logo
6:45 pm - 6:05 am
BOI
-
PHL
9h 20m
1 stop
$267Delta
Wed, Jul 29 - Fri, Aug 7
Delta Logo
5:40 am - 10:57 am
PHL
-
BOI
7h 17m
1 stop
Delta Logo
6:45 pm - 6:05 am
BOI
-
PHL
9h 20m
1 stop
$270Delta
Sun, Jul 26 - Thu, Aug 6
Delta Logo
5:40 am - 10:57 am
PHL
-
BOI
7h 17m
1 stop
Delta Logo
11:10 pm - 9:31 am
BOI
-
PHL
8h 21m
1 stop
$279Delta
Thu, Jul 9 - Tue, Jul 14
Southwest Logo
6:30 am - 10:55 am
PHL
-
BOI
6h 25m
1 stop
Southwest Logo
2:55 pm - 11:45 pm
BOI
-
PHL
6h 50m
1 stop
$282Southwest
Sat, Sep 26 - Mon, Sep 28
Delta Logo
6:55 pm - 12:05 am
PHL
-
BOI
7h 10m
1 stop
Delta Logo
6:07 pm - 5:29 am
BOI
-
PHL
9h 22m
1 stop
$284Delta
Thu, Jul 23 - Mon, Jul 27

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United Airlines flights from Philadelphia to Boise

Our best United Airlines deals on Philadelphia to Boise flight tickets
United Airlines
Jul 28
PHL6:00 amPhiladelphia
7h 32m
1 stop
BOI11:32 amBoise Air Term. Gowen Fld
Aug 8
BOI7:05 pmBoise Air Term. Gowen Fld
10h 45m
1 stop
PHL7:50 amPhiladelphia
$323
United Airlines
Aug 22
PHL6:25 amPhiladelphia
7h 03m
1 stop
BOI11:28 amBoise Air Term. Gowen Fld
Aug 29
BOI10:36 amBoise Air Term. Gowen Fld
12h 23m
2 stops
PHL12:59 amPhiladelphia
$370
United Airlines
Aug 22
PHL11:03 amPhiladelphia
12h 21m
2 stops
BOI9:24 pmBoise Air Term. Gowen Fld
Aug 29
BOI10:36 amBoise Air Term. Gowen Fld
12h 23m
2 stops
PHL12:59 amPhiladelphia
$376

Frontier flights from Philadelphia to Boise

Our best Frontier deals on Philadelphia to Boise flight tickets
Frontier
Jul 27
PHL12:54 pmPhiladelphia
25h 35m
1 stop
BOI12:29 pmBoise Air Term. Gowen Fld
Aug 4
BOI1:24 pmBoise Air Term. Gowen Fld
20h 25m
1 stop
PHL11:49 amPhiladelphia
$310
Frontier
Aug 3
PHL8:37 pmPhiladelphia
17h 52m
1 stop
BOI12:29 pmBoise Air Term. Gowen Fld
Aug 18
BOI1:04 pmBoise Air Term. Gowen Fld
20h 43m
1 stop
PHL11:47 amPhiladelphia
$322
Frontier
Jul 29
PHL12:44 pmPhiladelphia
25h 45m
1 stop
BOI12:29 pmBoise Air Term. Gowen Fld
Aug 4
BOI1:24 pmBoise Air Term. Gowen Fld
20h 25m
1 stop
PHL11:49 amPhiladelphia
$328

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 June 15, 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

Sat 8/22

9:35 am-4:49 pm

1 stop9h 14m

Boise Air Term. Gowen Fld

Sat 8/29

2:58 pm-11:59 pm

1 stop7h 01m

$221

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Tue 8/4

7:05 am-3:18 pm

1 stop10h 13m

Boise Air Term. Gowen Fld

Thu 8/6

6:45 pm-6:05 am

1 stop9h 20m

$238

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Wed 7/29

7:05 am-3:11 pm

1 stop10h 06m

Boise Air Term. Gowen Fld

Thu 8/6

6:45 pm-6:05 am

1 stop9h 20m

$250

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Tue 8/4

7:05 am-3:18 pm

1 stop10h 13m

Boise Air Term. Gowen Fld

Fri 8/7

6:45 pm-6:05 am

1 stop9h 20m

$255

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Sun 7/26

5:40 am-10:57 am

1 stop7h 17m

Boise Air Term. Gowen Fld

Tue 8/4

5:59 pm-5:50 am

1 stop9h 51m

$258

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Wed 7/29

7:05 am-3:11 pm

1 stop10h 06m

Boise Air Term. Gowen Fld

Fri 8/7

6:45 pm-6:05 am

1 stop9h 20m

$267

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Sun 7/26

5:40 am-10:57 am

1 stop7h 17m

Boise Air Term. Gowen Fld

Thu 8/6

6:45 pm-6:05 am

1 stop9h 20m

$270

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Thu 7/9

5:40 am-10:57 am

1 stop7h 17m

Boise Air Term. Gowen Fld

Tue 7/14

11:10 pm-9:31 am

1 stop8h 21m

$279
Quickest round-trip

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Sat 9/26

6:30 am-10:55 am

1 stop6h 25m

Boise Air Term. Gowen Fld

Mon 9/28

2:55 pm-11:45 pm

1 stop6h 50m

$282

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Thu 7/23

6:55 pm-12:05 am

1 stop7h 10m

Boise Air Term. Gowen Fld

Mon 7/27

6:07 pm-5:29 am

1 stop9h 22m

$284

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 typical price of a round-trip flight between Philadelphia and Boise?

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 $353. If you aren’t able to travel during the month of September, then book flights to Boise from Philadelphia during April instead. Flights to Boise in April, while not as cheap as those in September, still average around $373.

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 from Philadelphia 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 $450 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 $294 on momondo.

What cabin class options are available on Philadelphia to Boise flights?

There is only 1 cabin class available to choose from on Philadelphia to Boise 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 June 2026, prices for Philadelphia to Boise flights are approximately 12% 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

7h 03m

Direct flights

None
The fastest flight from Philadelphia to Boise takes 7h 03m
There are no direct flights from Philadelphia to Boise. There are no popular flight routes from Philadelphia to Boise.
Search flight deals

Frequently asked questions about flying 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 7h 03m.

  • 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 $278Free CancellationRating
7.9
8,396 reviews
Search Delta flights
American AirlinesPriceFrom $283Free CancellationRating
7.1
11,660 reviews
Search American Airlines flights
United AirlinesPriceFrom $336Free CancellationRating
7.4
9,830 reviews
Search United Airlines flights
SouthwestPriceFrom $350Free CancellationRating
7.9
4,235 reviews
Search Southwest flights

  • United Airlines Flights From Philadelphia to Boise

    United Airlines flies from Philadelphia to Boise around 7 times per week, with 9,830 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Philadelphia to Boise in the last 72 hours was $336 (round-trip), much lower than the average airfare cost of $635 for United Airlines flights on this route.

Traveling to a place near Boise?

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