Boise

$120+ Cheap flights from Pennsylvania to Boise (BOI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BOI
Aug 2 — Aug 91
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Cheap flight deals from Pennsylvania to Boise

Cheapest flights from Pennsylvania to Boise
Explore the most affordable flight options available from Pennsylvania to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2026.

This Expedia deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:00 am
DCA
-
BOI
1 stop7h 29m
Frontier
Tue 8/111:24 pm
BOI
-
DCA
1 stop6h 35m
Frontier
Deal found 7/2$240
This Frontier deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/276:00 pm
DCA
-
BOI
1 stop20h 29m
Frontier
Tue 8/41:24 pm
BOI
-
DCA
1 stop21h 27m
Frontier
Deal found 7/3$241
This Frontier deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/217:00 am
DCA
-
BOI
1 stop7h 29m
Frontier
Tue 7/281:24 pm
BOI
-
DCA
1 stop6h 35m
Frontier
Deal found 6/30$242
This Trip.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/221:59 pm
DCA
-
BOI
1 stop24h 30m
Frontier
Tue 7/281:24 pm
BOI
-
DCA
1 stop6h 35m
Frontier
Deal found 6/30$258
This Delta deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:00 am
IAD
-
BOI
1 stop7h 14m
Delta
Wed 8/262:53 pm
BOI
-
IAD
1 stop6h 28m
Delta
Deal found 6/30$293
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:59 am
DCA
-
BOI
1 stop7h 50m
Delta
Wed 8/261:59 pm
BOI
-
DCA
1 stop7h 49m
Delta
Deal found 7/1$293
This Frontier deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:00 am
DCA
-
BOI
1 stop7h 04m
Frontier
Tue 9/2212:59 pm
BOI
-
DCA
1 stop6h 59m
Frontier
Deal found 7/1$295
This American Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/141:50 pm
LGA
-
BOI
1 stop10h 21m
American Airlines
Fri 8/2112:12 pm
BOI
-
LGA
1 stop8h 15m
American Airlines
Deal found 6/30$297
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:55 pm
EWR
-
BOI
1 stop7h 04m
Delta
Fri 11/131:43 pm
BOI
-
EWR
1 stop9h 15m
Delta
Deal found 7/1$297
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/173:40 pm
JFK
-
BOI
1 stop9h 20m
Delta
Tue 8/256:45 pm
BOI
-
JFK
1 stop9h 33m
Delta
Deal found 6/29$297
This American Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:44 am
LGA
-
BOI
1 stop7h 45m
American Airlines
Thu 8/2012:12 pm
BOI
-
LGA
1 stop8h 15m
American Airlines
Deal found 7/3$298
This American Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:40 am
DCA
-
BOI
1 stop7h 51m
American Airlines
Mon 9/143:21 pm
BOI
-
DCA
1 stop6h 38m
American Airlines
Deal found 6/30$299

Find flight deals from Pennsylvania to Boise

Keep the following information in mind while searching for Pennsylvania to Boise flight deals. Data was last updated July 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$240
(Expedia)

One-way from

$120
(Frontier)

Popular in

June

Cheapest in

September

Average price

$475
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 Pennsylvania to Boise Air Term. Gowen Fld
One-way flight from Pennsylvania to Boise Air Term. Gowen Fld
Highest demand for flights based on searches. 8% potential increase in price ($43 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in July 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania 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, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2026.
Use the filters below to find and compare flights from Pennsylvania to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Thu 8/27

6:15 am-11:28 am

1 stop7h 13m

Boise Air Term. Gowen Fld

Mon 8/31

7:05 pm-5:55 am

1 stop8h 50m

$293

NewarkBoise

EWR - BOI

EWRBOI

Newark

Sat 9/26

6:15 am-1:29 pm

1 stop9h 14m

Boise Air Term. Gowen Fld

Sat 10/3

2:50 pm-11:57 pm

1 stop7h 07m

$297

New YorkBoise

JFK - BOI

JFKBOI

New York John F Kennedy Intl

Tue 9/8

6:00 am-12:16 pm

1 stop8h 16m

Boise Air Term. Gowen Fld

Sun 9/13

7:19 pm-6:53 am

1 stop9h 34m

$297

New YorkBoise

JFK - BOI

JFKBOI

New York John F Kennedy Intl

Tue 9/22

11:50 am-6:40 pm

1 stop8h 50m

Boise Air Term. Gowen Fld

Wed 9/30

12:14 pm-12:14 am

1 stop10h 00m

$297

New YorkBoise

JFK - BOI

JFKBOI

New York John F Kennedy Intl

Tue 9/8

5:59 pm-11:59 pm

1 stop8h 00m

Boise Air Term. Gowen Fld

Tue 9/15

1:06 pm-11:40 pm

1 stop8h 34m

$297

New YorkBoise

JFK - BOI

JFKBOI

New York John F Kennedy Intl

Fri 9/4

4:50 pm-11:53 pm

1 stop9h 03m

Boise Air Term. Gowen Fld

Mon 9/7

11:10 pm-10:15 am

1 stop9h 05m

$297

New YorkBoise

JFK - BOI

JFKBOI

New York John F Kennedy Intl

Sat 8/29

7:00 am-2:49 pm

1 stop9h 49m

Boise Air Term. Gowen Fld

Sat 9/5

1:59 pm-1:14 am

1 stop9h 15m

$297

New YorkBoise

LGA - BOI

LGABOI

New York LaGuardia

Sat 8/29

6:10 am-1:38 pm

2 stops9h 28m

Boise Air Term. Gowen Fld

Sat 9/5

12:24 pm-9:54 pm

1 stop7h 30m

$302

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Thu 10/15

7:00 am-3:20 pm

1 stop10h 20m

Boise Air Term. Gowen Fld

Sun 10/18

7:13 pm-5:45 am

1 stop8h 32m

$304

New YorkBoise

JFK - BOI

JFKBOI

New York John F Kennedy Intl

Fri 10/9

4:40 pm-11:49 pm

1 stop9h 09m

Boise Air Term. Gowen Fld

Mon 10/12

12:08 pm-12:19 am

1 stop10h 11m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Pennsylvania to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Pennsylvania with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Currently, September is the cheapest month in which you can book a flight from Pennsylvania to Boise (average of $88). Flying from Pennsylvania to Boise in December is currently the most expensive (average of $308). 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.

Weekly flight availability from Pennsylvania to Boise

Explore weekly flight availability from Pennsylvania to Boise. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 3, 2026.

The most flights from USPA to BOI are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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

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

The best time to book flights from Pennsylvania to Boise is 7 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Boise from Pennsylvania?

    Boise Air Term. Gowen Fld (BOI) is the airport you will fly into if you book a flight from Pennsylvania to Boise. It is only a 3.3 mi journey from Air Term. Gowen Fld (BOI) to Boise’s city center.

  • How long is the flight from Pennsylvania to Boise?

    For as low as $293, United Airlines can have you in Boise from Pennsylvania in 7h 13m. Pennsylvania and Boise are separated by a distance of 2019 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $139. Users have also found prices from $167 and $175 on American Airlines and United Airlines, respectively.

  • What are the most popular routes from Pennsylvania to Boise?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Pennsylvania 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 Pennsylvania to Boise?

    Currently, September is the cheapest month in which you can book a flight from Pennsylvania to Boise (average of $88). Flying from Pennsylvania to Boise in December is currently the most expensive (average of $308). 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
Meridian
Nampa
Caldwell
Ontario

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Top 4 airlines flying from Pennsylvania to Boise

Discover the top 4 airlines that operate flights from Pennsylvania to Boise. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$237Average$425FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$237Average$557FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$283Average$522FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$350Average$591FlexibilityNo cancel feeOn-time63%

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