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Idaho

$100+ Cheap flights from Pennsylvania to Idaho

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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BOI
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap flight deals from Pennsylvania to Idaho

Keep the following information in mind while searching for Pennsylvania to Idaho flight deals. Data was last updated junio 12, 2025.

Round-trip from

$199
(American Airlines)

One-way from

$100
(Delta)

Popular in

November

Cheapest in

September

Average price

$520
From Pennsylvania to Idaho
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One-way flight from Pennsylvania to Idaho
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Highest demand for flights based on searches. 17% potential increase in price ($106 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Pennsylvania to Idaho

Cheapest flights from Pennsylvania to Idaho
Explore the most affordable flight options available from Pennsylvania to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This Trip.com deal was found by Cheapflights users on 6/10. 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.
mar. 9/234:00 pmEWR - GEG
1 stop10h 59mHawaiian Airlines
mar. 9/305:46 pmGEG - EWR
1 stop9h 13mHawaiian Airlines
Deal found 6/10$198
This American Airlines deal was found by Cheapflights users on 6/11. 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.
vie. 9/57:30 amEWR - GEG
1 stop8h 14mAmerican Airlines
mié. 9/101:30 pmGEG - EWR
1 stop7h 29mAmerican Airlines
Deal found 6/11$199
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
mar. 9/97:19 amEWR - GEG
1 stop8h 24mAlaska Airlines
mar. 9/94:35 pmGEG - EWR
1 stop10h 24mAlaska Airlines
Deal found 6/11$205
This Delta deal was found by Cheapflights users on 6/9. 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.
sáb. 9/66:00 amEWR - GEG
2 stops8h 56mDelta
sáb. 9/205:00 pmGEG - EWR
1 stop10h 10mDelta
Deal found 6/9$256
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
mar. 8/264:43 pmEWR - BOI
1 stop9h 00mAlaska Airlines
mar. 9/95:45 pmBOI - EWR
1 stop10h 14mAlaska Airlines
Deal found 6/10$258
This Delta deal was found by Cheapflights users on 6/10. 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.
sáb. 8/236:52 pmEWR - BOI
1 stop7h 04mDelta
sáb. 9/63:06 pmBOI - EWR
1 stop6h 19mDelta
Deal found 6/10$259
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/187:20 amEWR - BOI
1 stop13h 32mSpirit Airlines
lun. 7/217:48 pmBOI - EWR
1 stop8h 17mSpirit Airlines
Deal found 6/10$262
This Delta deal was found by Cheapflights users on 6/10. 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.
mar. 8/263:51 pmJFK - BOI
1 stop9h 09mDelta
mar. 9/92:00 pmBOI - JFK
1 stop8h 23mDelta
Deal found 6/10$269
This American Airlines deal was found by Cheapflights users on 6/11. 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.
mar. 9/212:47 pmJFK - BOI
1 stop10h 56mAmerican Airlines
sáb. 9/66:59 amBOI - JFK
2 stops11h 44mAmerican Airlines
Deal found 6/11$274
This American Airlines deal was found by Cheapflights users on 6/11. 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.
lun. 8/256:59 amEWR - BOI
1 stop7h 20mAmerican Airlines
mié. 9/31:17 pmBOI - EWR
1 stop8h 42mAmerican Airlines
Deal found 6/11$278
This United Airlines deal was found by Cheapflights users on 6/10. 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.
vie. 7/46:05 amEWR - GEG
1 stop9h 30mUnited Airlines
mar. 7/86:25 pmGEG - EWR
1 stop8h 11mUnited Airlines
Deal found 6/10$281
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/512:31 pmEWR - JAC
1 stop9h 28mAmerican Airlines
mar. 9/93:25 pmJAC - EWR
1 stop6h 34mAmerican Airlines
Deal found 6/12$289

Cheapflights Fare Finder

Customize your flight search to find flights from Pennsylvania to Idaho 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 junio 12, 2025.
Use the filters below to find and compare flights from Pennsylvania to Idaho that are best for you.

Fly from

Pennsylvania

Fly to

Idaho

Route

Depart

Return

Price

NewarkSpokane

EWR - GEG

EWRGEG

Newark

vie. 9/5

7:30 am-12:44 pm

1 stop8h 14m

Spokane

mié. 9/10

1:30 pm-11:59 pm

1 stop7h 29m

$199

NewarkSpokane

EWR - GEG

EWRGEG

Newark

mar. 9/9

7:19 am-12:43 pm

1 stop8h 24m

Spokane

mar. 9/9

4:35 pm-5:59 am

1 stop10h 24m

$205

NewarkSpokane

EWR - GEG

EWRGEG

Newark

sáb. 9/6

6:00 am-11:56 am

2 stops8h 56m

Spokane

sáb. 9/20

5:00 pm-6:10 am

1 stop10h 10m

$256

NewarkBoise

EWR - BOI

EWRBOI

Newark

mar. 8/26

4:43 pm-11:43 pm

1 stop9h 00m

Boise Air Term. Gowen Fld

mar. 9/9

5:45 pm-5:59 am

1 stop10h 14m

$258

NewarkBoise

EWR - BOI

EWRBOI

Newark

sáb. 8/23

6:52 pm-11:56 pm

1 stop7h 04m

Boise Air Term. Gowen Fld

sáb. 9/6

3:06 pm-11:25 pm

1 stop6h 19m

$259

NewarkBoise

EWR - BOI

EWRBOI

Newark

vie. 7/18

7:20 am-6:52 pm

1 stop13h 32m

Boise Air Term. Gowen Fld

lun. 7/21

7:48 pm-6:05 am

1 stop8h 17m

$262

New YorkBoise

JFK - BOI

JFKBOI

New York John F Kennedy Intl

mar. 8/26

3:51 pm-11:00 pm

1 stop9h 09m

Boise Air Term. Gowen Fld

mar. 9/9

2:00 pm-12:23 am

1 stop8h 23m

$269

New YorkBoise

JFK - BOI

JFKBOI

New York John F Kennedy Intl

mar. 9/2

12:47 pm-9:43 pm

1 stop10h 56m

Boise Air Term. Gowen Fld

sáb. 9/6

6:59 am-8:43 pm

2 stops11h 44m

$274

NewarkBoise

EWR - BOI

EWRBOI

Newark

lun. 8/25

6:59 am-12:19 pm

1 stop7h 20m

Boise Air Term. Gowen Fld

mié. 9/3

1:17 pm-11:59 pm

1 stop8h 42m

$278

NewarkSpokane

EWR - GEG

EWRGEG

Newark

vie. 7/4

6:05 am-12:35 pm

1 stop9h 30m

Spokane

mar. 7/8

6:25 pm-5:36 am

1 stop8h 11m

$281

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 60 results
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Best time to book a flight from Pennsylvania to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho 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 Idaho

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

Currently, October is the cheapest month in which you can book a flight from Pennsylvania to Idaho (average of $314). Flying from Pennsylvania to Idaho in June is currently the most expensive (average of $395). 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.

What is the cheapest time of day to fly from PA to ID?

Find hourly flight availability from Pennsylvania to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Pennsylvania to Idaho as you normally would.

Rainfall in Idaho by month

Plan your trip to Idaho by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

Plan your trip to Idaho by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated junio 12, 2025.
To help decide which airline to fly from Pennsylvania to Idaho, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Qatar Airways
7.4
Good
3,584 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $100. However, be on the lookout for offers from American Airlines and Alaska Airlines, as they are both options that can get you from Pennsylvania to Idaho for a low price.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Pennsylvania to Idaho (average of $314). Flying from Pennsylvania to Idaho in June is currently the most expensive (average of $395). 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.

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Alternative routes for Pennsylvania to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Pennsylvania to Idaho

Discover the top 5 airlines that operate flights from Pennsylvania to Idaho. 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$160Average$367FlexibilityNo cancel feeOn-time65%
DeltaCheapest$277Average$548FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$568FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$308Average$623FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$362Average$432FlexibilityNo cancel feeOn-time63%

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