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$96+ 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BOI
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheap flight deals from Pennsylvania to Boise

Keep the following information in mind while searching for Pennsylvania to Boise flight deals. Data was last updated January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$191
(Booking.com)

One-way from

$96
(Booking.com)

Popular in

January

Cheapest in

September

Average price

$665
Provider with most accurate pricing for Philadelphia-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Boise Air Term. Gowen Fld flights.
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From Pennsylvania to Boise Air Term. Gowen Fld
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One-way flight from Pennsylvania to Boise Air Term. Gowen Fld
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Highest demand for flights based on searches. 20% potential increase in price ($120 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 January 15, 2026.

This Mytrip deal was found by Cheapflights users on 1/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/292:00 pm
DCA
-
BOI
1 stop23h 12m
Frontier
Mon 2/212:07 pm
BOI
-
DCA
1 stop26h 52m
Frontier
Deal found 1/13$189
This Booking.com deal was found by Cheapflights users on 1/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/52:00 pm
DCA
-
BOI
1 stop23h 12m
Frontier
Mon 2/912:07 pm
BOI
-
DCA
1 stop7h 52m
Frontier
Deal found 1/13$191
This Booking.com deal was found by Cheapflights users on 1/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:00 pm
DCA
-
BOI
1 stop19h 11m
Frontier
Sun 3/111:56 am
BOI
-
DCA
1 stop23h 04m
Frontier
Deal found 1/13$227
This Delta deal was found by Cheapflights users on 1/13. 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 3/105:22 pm
PIT
-
BOI
1 stop6h 49m
Delta
Tue 3/173:00 pm
BOI
-
PIT
1 stop6h 49m
Delta
Deal found 1/13$237
This Expedia deal was found by Cheapflights users on 1/14. 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.
Tue 2/178:59 am
DCA
-
BOI
1 stop16h 31m
Multiple Airlines
Thu 2/1912:36 pm
BOI
-
DCA
1 stop7h 23m
Multiple Airlines
Deal found 1/14$244
This Delta deal was found by Cheapflights users on 1/12. 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.
Wed 2/116:00 am
IAD
-
BOI
1 stop8h 30m
Delta
Wed 2/183:01 pm
BOI
-
IAD
1 stop6h 54m
Delta
Deal found 1/12$257
This Delta deal was found by Cheapflights users on 1/14. 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.
Sat 2/287:55 am
LGA
-
BOI
1 stop8h 04m
Delta
Sat 3/73:01 pm
BOI
-
LGA
1 stop6h 38m
Delta
Deal found 1/14$257
This Delta deal was found by Cheapflights users on 1/15. 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.
Wed 4/86:25 am
DCA
-
BOI
1 stop9h 40m
Delta
Wed 4/152:10 pm
BOI
-
DCA
1 stop7h 23m
Delta
Deal found 1/15$257
This Alaska Airlines deal was found by Cheapflights users on 1/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/294:51 pm
EWR
-
BOI
1 stop9h 08m
Alaska Airlines
Wed 5/66:00 am
BOI
-
EWR
1 stop10h 29m
Alaska Airlines
Deal found 1/13$257
This Alaska Airlines deal was found by Cheapflights users on 1/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/44:22 pm
JFK
-
BOI
1 stop8h 39m
Alaska Airlines
Sat 2/76:23 am
BOI
-
JFK
1 stop11h 05m
Alaska Airlines
Deal found 1/12$257
This Delta deal was found by Cheapflights users on 1/13. 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 3/106:55 am
PHL
-
BOI
1 stop7h 58m
Delta
Wed 4/13:00 pm
BOI
-
PHL
1 stop6h 59m
Delta
Deal found 1/13$257
This Delta deal was found by Cheapflights users on 1/15. 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.
Sat 4/116:00 am
DCA
-
BOI
2 stops10h 05m
Delta
Wed 4/152:10 pm
BOI
-
DCA
1 stop7h 23m
Delta
Deal found 1/15$262

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 January 15, 2026.
Use the filters below to find and compare flights from Pennsylvania to Boise that are best for you.

Fly from

Pennsylvania

Fly to

Boise

Route

Depart

Return

Price

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Thu 1/29

2:00 pm-11:12 am

1 stop23h 12m

Boise Air Term. Gowen Fld

Mon 2/2

12:07 pm-4:59 pm

1 stop26h 52m

$203

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Thu 2/26

6:00 pm-11:11 am

1 stop19h 11m

Boise Air Term. Gowen Fld

Sun 3/1

11:56 am-1:00 pm

1 stop23h 04m

$227

PittsburghBoise

PIT - BOI

PITBOI

Pittsburgh

Tue 3/10

5:22 pm-10:11 pm

1 stop6h 49m

Boise Air Term. Gowen Fld

Tue 3/17

3:00 pm-11:49 pm

1 stop6h 49m

$237

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Wed 2/11

12:40 pm-7:51 pm

1 stop9h 11m

Boise Air Term. Gowen Fld

Wed 2/18

5:00 am-1:05 pm

1 stop6h 05m

$257

NewarkBoise

EWR - BOI

EWRBOI

Newark

Wed 4/29

3:28 pm-11:02 pm

1 stop9h 34m

Boise Air Term. Gowen Fld

Wed 5/6

6:00 am-6:29 pm

1 stop10h 29m

$257

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 2/3

7:00 am-1:34 pm

1 stop8h 34m

Boise Air Term. Gowen Fld

Tue 2/10

1:40 pm-12:24 am

1 stop8h 44m

$257

New YorkBoise

JFK - BOI

JFKBOI

New York John F Kennedy Intl

Wed 2/4

4:22 pm-11:59 pm

1 stop9h 37m

Boise Air Term. Gowen Fld

Sat 2/7

6:23 am-7:28 pm

1 stop11h 05m

$257

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Wed 2/11

6:30 am-12:39 pm

1 stop8h 09m

Boise Air Term. Gowen Fld

Wed 2/18

2:40 pm-11:30 pm

1 stop6h 50m

$257

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 3/24

7:00 am-1:05 pm

1 stop8h 05m

Boise Air Term. Gowen Fld

Tue 3/31

1:45 pm-11:49 pm

1 stop8h 04m

$257

New YorkBoise

JFK - BOI

JFKBOI

New York John F Kennedy Intl

Wed 4/29

4:29 pm-11:59 pm

1 stop9h 30m

Boise Air Term. Gowen Fld

Wed 5/6

6:00 am-7:11 pm

1 stop11h 11m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

Showing 1-10 of 60 results
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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 May is currently the most expensive (average of $340). 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 Pennsylvania to Boise?

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 $237, Frontier can have you in Boise from Pennsylvania in 6h 49m. Pennsylvania and Boise are separated by a distance of 1843 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 United Airlines. According to our data, you can fly for as low as $135. Users have also found prices from $171 and $173 on Delta and Southwest, respectively.

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

    The most popular route from Pennsylvania to Boise is Newark - Boise Air Term. Gowen Fld. You may also consider New York John F Kennedy Intl - Boise Air Term. Gowen Fld or Washington, D.C. Dulles Intl - Boise Air Term. Gowen Fld.

  • 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 May is currently the most expensive (average of $340). 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
McCall

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Alternative routes for Pennsylvania to Boise

See prices for flight routes from nearby airports that may be better suited for you.
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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 January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$232Average$470FlexibilityNo cancel feeOn-time71%
DeltaCheapest$270Average$451FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$338Average$583FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$358Average$447FlexibilityNo cancel feeOn-time63%

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