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Boise

$126+ 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BOI
Mar 26 — Apr 21
Thu 3/26
Thu 4/2
1 adult, Economy
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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 February 24, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:41 pm
PHL
-
BOI
1 stop16h 27m
Frontier
Sun 4/1911:53 am
BOI
-
PHL
2 stops27h 41m
Frontier
Deal found 2/23$219
This Delta deal was found by Cheapflights users on 2/23. 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 4/287:00 am
IAD
-
BOI
1 stop8h 12m
Delta
Thu 5/712:15 pm
BOI
-
IAD
1 stop10h 00m
Delta
Deal found 2/23$227
This Delta deal was found by Cheapflights users on 2/23. 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 4/285:32 pm
PIT
-
BOI
1 stop6h 24m
Delta
Tue 5/192:12 pm
BOI
-
PIT
1 stop7h 38m
Delta
Deal found 2/23$235
This Delta deal was found by Cheapflights users on 2/23. 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.
Thu 4/27:00 am
IAD
-
BOI
1 stop13h 43m
Delta
Wed 4/811:40 pm
BOI
-
IAD
1 stop7h 30m
Delta
Deal found 2/23$239
This Delta deal was found by Cheapflights users on 2/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:00 am
IAD
-
BOI
1 stop8h 12m
Delta
Sat 4/182:18 pm
BOI
-
IAD
1 stop8h 09m
Delta
Deal found 2/21$251
This Delta deal was found by Cheapflights users on 2/22. 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 5/124:40 pm
DCA
-
BOI
1 stop9h 15m
Delta
Tue 5/195:45 am
BOI
-
DCA
1 stop7h 45m
Delta
Deal found 2/22$251
This Trip.com deal was found by Cheapflights users on 2/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/89:00 am
EWR
-
BOI
1 stop8h 29m
Hawaiian Airlines
Wed 4/1511:58 am
BOI
-
EWR
1 stop9h 13m
Hawaiian Airlines
Deal found 2/22$253
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1811:30 am
JFK
-
BOI
1 stop9h 54m
Multiple Airlines
Sat 4/256:00 am
BOI
-
JFK
1 stop8h 28m
Multiple Airlines
Deal found 2/22$254
This American Airlines deal was found by Cheapflights users on 2/20. 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 4/116:38 am
LGA
-
BOI
1 stop8h 11m
American Airlines
Sat 4/181:29 pm
BOI
-
LGA
1 stop8h 21m
American Airlines
Deal found 2/20$256
This United Airlines deal was found by Cheapflights users on 2/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/44:18 pm
PIT
-
BOI
1 stop7h 16m
United Airlines
Tue 4/77:11 am
BOI
-
PIT
1 stop7h 40m
United Airlines
Deal found 2/23$256
This Delta deal was found by Cheapflights users on 2/22. 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.
Wed 4/86:05 am
LGA
-
BOI
1 stop10h 00m
Delta
Wed 4/152:18 pm
BOI
-
LGA
1 stop7h 23m
Delta
Deal found 2/22$257
This Trip.com deal was found by Cheapflights users on 2/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:20 am
EWR
-
BOI
1 stop8h 38m
Hawaiian Airlines
Tue 4/146:04 pm
BOI
-
EWR
1 stop9h 56m
Hawaiian Airlines
Deal found 2/21$257

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 February 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$219
(Kiwi.com)

One-way from

$126
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$516
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 ($27 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 24, 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

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 4/28

7:00 am-1:12 pm

1 stop8h 12m

Boise Air Term. Gowen Fld

Thu 5/7

12:15 pm-12:15 am

1 stop10h 00m

$227

PittsburghBoise

PIT - BOI

PITBOI

Pittsburgh

Tue 4/28

5:32 pm-9:56 pm

1 stop6h 24m

Boise Air Term. Gowen Fld

Tue 5/19

5:45 am-6:38 pm

2 stops10h 53m

$240

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 4/14

7:00 am-4:14 pm

1 stop11h 14m

Boise Air Term. Gowen Fld

Sat 4/18

1:52 pm-11:55 pm

1 stop8h 03m

$251

New YorkBoise

JFK - BOI

JFKBOI

New York John F Kennedy Intl

Thu 4/30

7:00 am-1:52 pm

1 stop8h 52m

Boise Air Term. Gowen Fld

Tue 5/5

8:10 am-7:11 pm

1 stop9h 01m

$269

New YorkBoise

JFK - BOI

JFKBOI

New York John F Kennedy Intl

Wed 5/13

4:50 pm-11:55 pm

1 stop9h 05m

Boise Air Term. Gowen Fld

Sun 5/17

9:16 pm-6:56 am

1 stop7h 40m

$280

NewarkBoise

EWR - BOI

EWRBOI

Newark

Thu 4/23

7:29 am-1:52 pm

1 stop8h 23m

Boise Air Term. Gowen Fld

Tue 4/28

6:08 pm-6:39 am

1 stop10h 31m

$299

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Sun 4/5

7:00 am-10:04 pm

1 stop17h 04m

Boise Air Term. Gowen Fld

Tue 4/7

11:40 pm-9:10 am

1 stop7h 30m

$307

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Wed 4/15

7:00 am-1:12 pm

1 stop8h 12m

Boise Air Term. Gowen Fld

Fri 4/17

1:52 pm-11:55 pm

1 stop8h 03m

$307

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 4/14

7:00 am-1:12 pm

1 stop8h 12m

Boise Air Term. Gowen Fld

Thu 4/16

1:52 pm-11:55 pm

1 stop8h 03m

$307

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Sun 4/26

7:00 am-9:24 pm

1 stop16h 24m

Boise Air Term. Gowen Fld

Wed 4/29

11:35 pm-9:15 am

1 stop7h 40m

$307

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

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 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 $227, 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 New York John F Kennedy Intl - Boise Air Term. Gowen Fld. You may also consider Washington, D.C. Dulles 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

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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 February 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$232Average$456FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$237Average$503FlexibilityNo cancel feeOn-time69%
DeltaCheapest$237Average$409FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$358Average$447FlexibilityNo cancel feeOn-time63%

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