Boise

$171+ Cheap flights from Philadelphia to Boise (PHL - BOI)

PHL — BOI
Dec 11 — Dec 181
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Cheap flight deals from Philadelphia to Boise

Cheapest flights from Philadelphia to Boise

Wed 12/26:11 pm -
1 stop17h 19m
Tue 12/82:05 pm -
1 stop13h 35m
Deal found 11/5$311
Wed 12/27:11 pm -
1 stop6h 59m
Tue 12/81:07 pm -
2 stops8h 47m
Deal found 11/5$316
Sat 12/127:00 am -
1 stop9h 19m
Mon 12/147:45 pm -
1 stop7h 55m
Deal found 11/5$355
Sun 12/65:15 am -
1 stop10h 29m
Sun 12/131:47 pm -
1 stop9h 10m
Deal found 11/8$412
Mon 12/215:45 am -
1 stop9h 01m
Sun 12/2711:10 pm -
1 stop8h 21m
Deal found 11/6$427
Fri 12/257:02 am -
1 stop9h 16m
Thu 12/315:00 pm -
1 stop10h 42m
Deal found 11/8$429
Mon 12/215:45 am -
1 stop9h 01m
Mon 12/286:35 pm -
1 stop9h 20m
Deal found 11/6$436
Mon 12/215:45 am -
1 stop9h 01m
Fri 12/255:36 am -
2 stops10h 35m
Deal found 11/6$441

Find flight deals from Philadelphia to Boise

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$341
(Southwest)

One-way from

$171
(Delta)

Popular in

June

Cheapest in

April

Average price

$460
Provider with most accurate pricing for Philadelphia-Boise Air Term. Gowen Fld flight deals.
Provider most trusted by Cheapflights users for Philadelphia-Boise Air Term. Gowen Fld flights.
From Philadelphia to Boise Air Term. Gowen Fld
One-way flight from Philadelphia to Boise Air Term. Gowen Fld
Highest demand for flights based on searches. 7% potential increase in price ($40 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Philadelphia to Boise that are best for you.

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Route

Depart

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Price

Cheapest round-trip

PhiladelphiaBoise

PHL Philadelphia - BOI Boise Air Term. Gowen Fld

PHLBOI

Philadelphia

Tue 12/8

3:35 pm-9:27 pm

1 stop7h 52m

Boise Air Term. Gowen Fld

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$171

PhiladelphiaBoise

PHL Philadelphia - BOI Boise Air Term. Gowen Fld

PHLBOI

Philadelphia

Wed 12/2

5:34 am-4:04 pm

2 stops12h 30m

Boise Air Term. Gowen Fld

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$176

PhiladelphiaBoise

PHL Philadelphia - BOI Boise Air Term. Gowen Fld

PHLBOI

Philadelphia

Sat 12/12

12:22 pm-10:24 pm

2 stops12h 02m

Boise Air Term. Gowen Fld

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$176

PhiladelphiaBoise

PHL Philadelphia - BOI Boise Air Term. Gowen Fld

PHLBOI

Philadelphia

Tue 12/8

5:34 am-5:16 pm

2 stops13h 42m

Boise Air Term. Gowen Fld

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$176

PhiladelphiaBoise

PHL Philadelphia - BOI Boise Air Term. Gowen Fld

PHLBOI

Philadelphia

Thu 12/3

6:00 am-2:50 pm

2 stops10h 50m

Boise Air Term. Gowen Fld

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$188

PhiladelphiaBoise

PHL Philadelphia - BOI Boise Air Term. Gowen Fld

PHLBOI

Philadelphia

Fri 12/25

5:00 am-11:31 am

1 stop8h 31m

Boise Air Term. Gowen Fld

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$200
Quickest round-trip

PhiladelphiaBoise

PHL Philadelphia - BOI Boise Air Term. Gowen Fld

PHLBOI

Philadelphia

Sun 12/6

6:59 pm-12:26 am

1 stop7h 27m

Boise Air Term. Gowen Fld

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$213

PhiladelphiaBoise

PHL Philadelphia - BOI Boise Air Term. Gowen Fld

PHLBOI

Philadelphia

Fri 12/4

6:24 am-1:39 pm

2 stops9h 15m

Boise Air Term. Gowen Fld

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$216

PhiladelphiaBoise

PHL Philadelphia - BOI Boise Air Term. Gowen Fld

PHLBOI

Philadelphia

Thu 12/24

9:50 am-9:43 pm

2 stops13h 53m

Boise Air Term. Gowen Fld

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$262

PhiladelphiaBoise

PHL Philadelphia - BOI Boise Air Term. Gowen Fld

PHLBOI

Philadelphia

Sat 11/21

5:17 pm-11:49 pm

1 stop8h 32m

Boise Air Term. Gowen Fld

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$282

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/8

Showing 1-10 of 24 resultsSorted by cheapest first
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Compare providers for flights from Philadelphia to Boise

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Boise in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Philadelphia-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Boise flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Boise flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Boise flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Philadelphia to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Philadelphia with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Boise

How far ahead should I book a flight from Philadelphia to Boise?

To ensure you get the cheapest price possible for a flight from Philadelphia to Boise, you should look to book at least 40 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Philadelphia to Boise?

Currently, April is the cheapest month in which you can book a flight from Philadelphia to Boise (average of $373). Flying from Philadelphia to Boise in June is currently the most expensive (average of $597). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Philadelphia to Boise?

Airfare is typical for this route at the moment.

Philadelphia to Boise flights typically cost between $326 and $715 in February.
The cheapest round-trip price found within the last 5 days was $341 on Delta (Feb 9-Feb 20).

Reviews of airlines servicing Boise

See what other customers who have flown with Southwest,Delta, andUnited Airlines from Philadelphia to Boise have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.4

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.4

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.4

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.4

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.4

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Related info for your journey

  • How long is the flight from Philadelphia to Boise?

    For as low as $341, Delta can have you in Boise from Philadelphia in 10h 10m. Philadelphia and Boise are separated by a distance of 2106 mi.

  • What are the cheapest airlines flying from Philadelphia to Boise round-trip?

    Our cheapest airline available from Philadelphia to Boise is Delta. Our recent data shows that you can find tickets from as low as $278 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $283 and $310 round-trip. Delta is priced at 42% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Philadelphia to Boise one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $139. American Airlines flights start at $158 while deals on United Airlines start at $174 one-way.

  • Can I find deals for flights from Philadelphia to Boise that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Boise?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Boise.

  • Can I find deals for business class flights from Philadelphia to Boise?

    Yes. Cheapflights offers flight deals from Philadelphia to Boise by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Philadelphia to Boise?

    Currently, April is the cheapest month in which you can book a flight from Philadelphia to Boise (average of $373). Flying from Philadelphia to Boise in June is currently the most expensive (average of $597). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Boise?

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

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Top 4 airlines flying from Philadelphia to Boise

AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$278Average$383FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$283Average$487FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$310Average$659FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$326Average$556FlexibilityNo cancel feeOn-time63%

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