HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boise

$116+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BOI
Apr 22 — Apr 291
Wed 4/22
Wed 4/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pennsylvania to Boise with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 23, 2026.

This Expedia deal was found by Cheapflights users on 3/21. 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 5/57:00 am
DCA
-
BOI
1 stop7h 27m
Frontier
Tue 5/121:22 pm
BOI
-
DCA
1 stop6h 36m
Frontier
Deal found 3/21$185
This Frontier deal was found by Cheapflights users on 3/22. 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.
Sat 5/91:59 pm
DCA
-
BOI
1 stop24h 28m
Frontier
Sun 5/171:22 pm
BOI
-
DCA
1 stop21h 37m
Frontier
Deal found 3/22$207
This Booking.com deal was found by Cheapflights users on 3/21. 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.
Sat 5/98:35 pm
PHL
-
BOI
1 stop17h 52m
Frontier
Sun 5/171:22 pm
BOI
-
PHL
1 stop14h 15m
Frontier
Deal found 3/21$207
This Frontier deal was found by Cheapflights users on 3/21. 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.
Sat 4/118:25 pm
PHL
-
BOI
1 stop16h 43m
Frontier
Sun 4/1911:53 am
BOI
-
PHL
1 stop15h 41m
Frontier
Deal found 3/21$228
This Priceline deal was found by Cheapflights users on 3/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:00 am
DCA
-
BOI
1 stop7h 30m
Frontier
Thu 6/41:25 pm
BOI
-
DCA
1 stop6h 33m
Frontier
Deal found 3/21$230
This Delta deal was found by Cheapflights users on 3/20. 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 5/57:00 am
IAD
-
BOI
1 stop8h 12m
Delta
Sat 5/161:53 pm
BOI
-
IAD
1 stop8h 58m
Delta
Deal found 3/20$271
This Delta deal was found by Cheapflights users on 3/22. 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 4/144:39 pm
DCA
-
BOI
1 stop9h 38m
Delta
Wed 4/222:18 pm
BOI
-
DCA
1 stop7h 23m
Delta
Deal found 3/22$271
This American Airlines deal was found by Cheapflights users on 3/20. 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.
Sat 5/26:00 am
LGA
-
BOI
1 stop9h 03m
American Airlines
Sat 5/91:29 pm
BOI
-
LGA
1 stop8h 09m
American Airlines
Deal found 3/20$281
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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.
Tue 4/147:00 am
JFK
-
BOI
1 stop10h 29m
Alaska Airlines
Sat 4/188:04 pm
BOI
-
JFK
1 stop8h 25m
Alaska Airlines
Deal found 3/19$281
This Southwest deal was found by Cheapflights users on 3/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:15 am
LGA
-
BOI
1 stop11h 00m
Southwest
Sat 4/252:50 pm
BOI
-
LGA
1 stop6h 30m
Southwest
Deal found 3/20$286
This American Airlines deal was found by Cheapflights users on 3/20. 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.
Wed 4/296:36 am
EWR
-
BOI
1 stop9h 06m
American Airlines
Wed 5/61:29 pm
BOI
-
EWR
1 stop7h 31m
American Airlines
Deal found 3/20$289
This American Airlines deal was found by Cheapflights users on 3/20. 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.
Sat 4/185:22 pm
EWR
-
BOI
1 stop8h 19m
American Airlines
Sat 4/251:53 pm
BOI
-
EWR
1 stop7h 42m
American Airlines
Deal found 3/20$290

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 March 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$185
(Expedia)

One-way from

$116
(Booking.com)

Popular in

December

Cheapest in

September

Average price

$408
Provider with most accurate pricing for Philadelphia-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Boise Air Term. Gowen Fld flights.
Search Deals
From Pennsylvania to Boise Air Term. Gowen Fld
Search Deals
One-way flight from Pennsylvania to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 23, 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

Tue 5/5

7:00 am-1:12 pm

1 stop8h 12m

Boise Air Term. Gowen Fld

Sat 5/16

1:53 pm-12:51 am

1 stop8h 58m

$271

New YorkBoise

JFK - BOI

JFKBOI

New York John F Kennedy Intl

Tue 4/14

7:00 am-3:29 pm

1 stop10h 29m

Boise Air Term. Gowen Fld

Sat 4/18

8:04 pm-6:29 am

1 stop8h 25m

$281

New YorkBoise

LGA - BOI

LGABOI

New York LaGuardia

Sat 4/18

7:15 am-4:15 pm

1 stop11h 00m

Boise Air Term. Gowen Fld

Sat 4/25

2:50 pm-11:20 pm

1 stop6h 30m

$286

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Sat 4/25

6:00 am-1:07 pm

1 stop9h 07m

Boise Air Term. Gowen Fld

Mon 4/27

11:35 pm-11:25 am

1 stop9h 50m

$302

PittsburghBoise

PIT - BOI

PITBOI

Pittsburgh

Wed 5/27

7:10 am-12:30 pm

1 stop7h 20m

Boise Air Term. Gowen Fld

Wed 6/3

2:00 pm-11:25 pm

1 stop7h 25m

$306

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Sat 5/2

5:28 pm-11:59 pm

1 stop8h 31m

Boise Air Term. Gowen Fld

Tue 5/5

7:43 am-9:00 pm

1 stop11h 17m

$311

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Tue 4/21

7:25 am-1:58 pm

1 stop8h 33m

Boise Air Term. Gowen Fld

Tue 4/28

4:38 pm-6:02 am

1 stop11h 24m

$317

NewarkBoise

EWR - BOI

EWRBOI

Newark

Tue 4/14

9:00 am-6:24 pm

1 stop11h 24m

Boise Air Term. Gowen Fld

Wed 4/15

11:58 am-11:11 pm

1 stop9h 13m

$323

NewarkBoise

EWR - BOI

EWRBOI

Newark

Wed 4/29

7:29 am-1:52 pm

1 stop8h 23m

Boise Air Term. Gowen Fld

Sat 5/2

12:15 pm-11:29 pm

1 stop9h 14m

$323

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Tue 4/21

12:29 pm-12:17 am

2 stops13h 48m

Boise Air Term. Gowen Fld

Tue 4/28

10:45 am-11:58 pm

2 stops11h 13m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/22

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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 $334). 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.

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 $271, Delta can have you in Boise from Pennsylvania in 8h 12m. 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 $171. Users have also found prices from $173 and $175 on Southwest and United Airlines, respectively.

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

    The most popular route from Pennsylvania to Boise is Washington, D.C. Dulles Intl - Boise Air Term. Gowen Fld. You may also consider New York John F Kennedy Intl - Boise Air Term. Gowen Fld or Newark - 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 December is currently the most expensive (average of $334). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 March 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$232Average$470FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$237Average$518FlexibilityNo cancel feeOn-time69%
DeltaCheapest$237Average$376FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$361Average$449FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.