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$121+ Cheap flights from Idaho to Philadelphia (PHL)

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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PHL
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from Idaho to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Idaho (USID) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Find flight deals from Idaho to Philadelphia

Cheapest flights from Idaho to Philadelphia
Explore the most affordable flight options available from Idaho to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This CheapOair deal was found by Cheapflights users on 11/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1911:57 amBOI - PHL
1 stop23h 48mSpirit Airlines
Sun 1/58:29 amPHL - BOI
1 stop28h 33mSpirit Airlines
Deal found 11/20$277
This Mytrip deal was found by Cheapflights users on 11/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/27:49 pmBOI - PHL
3 stops26h 22mMultiple Airlines
Sat 12/147:15 amPHL - BOI
1 stop9h 35mMultiple Airlines
Deal found 11/19$294
This American Airlines deal was found by Cheapflights users on 11/20. 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 12/112:16 pmBOI - PHL
1 stop7h 57mAmerican Airlines
Tue 1/73:55 pmPHL - BOI
1 stop7h 57mAmerican Airlines
Deal found 11/20$346
This Delta deal was found by Cheapflights users on 11/20. 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.
Wed 12/111:43 pmBOI - PHL
1 stop9h 12mDelta
Tue 1/79:33 amPHL - BOI
2 stops10h 56mDelta
Deal found 11/20$350
This Delta deal was found by Cheapflights users on 11/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2412:35 pmGEG - PHL
1 stop9h 17mDelta
Tue 12/315:38 amPHL - GEG
1 stop8h 12mDelta
Deal found 11/19$517
This United Airlines deal was found by Cheapflights users on 11/18. 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.
Tue 12/1712:20 pmBOI - PHL
1 stop7h 05mUnited Airlines
Wed 12/257:45 amPHL - BOI
1 stop7h 43mUnited Airlines
Deal found 11/18$520
This United Airlines deal was found by Cheapflights users on 11/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/241:47 pmGEG - PHL
1 stop6h 52mUnited Airlines
Tue 12/3110:32 amPHL - GEG
2 stops29h 18mUnited Airlines
Deal found 11/19$536
This Delta deal was found by Cheapflights users on 11/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/57:04 pmIDA - PHL
1 stop8h 46mDelta
Tue 12/107:00 amPHL - IDA
1 stop7h 26mDelta
Deal found 11/19$554
This United Airlines deal was found by Cheapflights users on 11/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/192:30 pmJAC - PHL
1 stop7h 09mUnited Airlines
Wed 12/2510:00 amPHL - JAC
1 stop9h 09mUnited Airlines
Deal found 11/19$562
This Southwest deal was found by Cheapflights users on 11/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/21:15 pmBOI - PHL
1 stop10h 10mSouthwest
Wed 12/187:00 amPHL - BOI
1 stop11h 30mSouthwest
Deal found 11/19$566
This American Airlines deal was found by Cheapflights users on 11/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/55:30 amIDA - PHL
2 stops9h 12mAmerican Airlines
Tue 12/1011:50 amPHL - IDA
2 stops12h 33mAmerican Airlines
Deal found 11/19$569
This Mytrip deal was found by Cheapflights users on 11/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/199:31 amGEG - PHL
2 stops20h 54mMultiple Airlines
Wed 12/2512:36 pmPHL - GEG
3 stops23h 05mMultiple Airlines
Deal found 11/20$572

Find flights from Idaho to Philadelphia within your budget

Customize your flight search to find flights from Idaho to Philadelphia 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Thu 12/19

11:57 am-1:45 pm

1 stop23h 48m

Philadelphia

Sun 1/5

8:29 am-11:02 am

1 stop28h 33m

$277

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Mon 12/2

7:49 pm-12:11 am

3 stops26h 22m

Philadelphia

Sat 12/14

7:15 am-2:50 pm

1 stop9h 35m

$294

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Wed 12/11

2:16 pm-12:13 am

1 stop7h 57m

Philadelphia

Tue 1/7

3:55 pm-9:52 pm

1 stop7h 57m

$346

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Wed 12/11

1:43 pm-12:55 am

1 stop9h 12m

Philadelphia

Tue 1/7

9:33 am-6:29 pm

2 stops10h 56m

$350

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Sat 1/25

7:35 am-7:50 pm

2 stops10h 15m

Philadelphia

Wed 1/29

3:30 pm-10:45 pm

2 stops9h 15m

$356

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

Thu 1/9

1:30 pm-11:15 pm

1 stop6h 45m

Philadelphia

Sun 1/12

4:40 pm-11:05 pm

1 stop9h 25m

$360

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Fri 1/3

8:05 am-5:40 am

1 stop19h 35m

Philadelphia

Fri 1/10

6:32 pm-8:10 am

2 stops15h 38m

$509

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

Fri 1/24

6:00 am-5:32 pm

1 stop8h 32m

Philadelphia

Mon 1/27

6:32 pm-11:53 pm

1 stop8h 21m

$509

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

Tue 12/24

12:35 pm-12:52 am

1 stop9h 17m

Philadelphia

Tue 12/31

5:38 am-10:50 am

1 stop8h 12m

$517

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Tue 12/17

12:20 pm-9:25 pm

1 stop7h 05m

Philadelphia

Wed 12/25

7:45 am-1:28 pm

1 stop7h 43m

$520

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 34 results
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Best time to book a flight from Idaho to Philadelphia

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

Travel insights for flights from Idaho to Philadelphia

Get recent, data-driven insights about flights from Idaho to Philadelphia including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Idaho to Philadelphia (average of $234). Flying from Idaho to Philadelphia in March is currently the most expensive (average of $284). 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 ID to PHL?

Find hourly flight availability from Idaho to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

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

Rainfall in Philadelphia by month

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

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

Temperature in Philadelphia by month

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

If weather is an important factor for your trip to Philadelphia, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated November 20, 2024.
Read reviews from past customers who have flown Southwest, United Airlines and American Airlines from Idaho to Philadelphia. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Idaho to Philadelphia. 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 Philadelphia from Idaho?

    If you book a flight to Philadelphia from Idaho, you will be flying to Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 7.0 mi from the center of Philadelphia.

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

    $121 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Delta and Southwest, with prices starting from $192 and $214, respectively.

  • What are the most popular routes from Idaho to Philadelphia?

    The most popular route from Idaho to Philadelphia is Boise Air Term. Gowen Fld - Philadelphia. You may also consider Spokane - Philadelphia or Idaho Falls Fanning Field - Philadelphia.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Idaho to Philadelphia (average of $234). Flying from Idaho to Philadelphia in March is currently the most expensive (average of $284). 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

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Alternative routes for Idaho to Philadelphia

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Top 5 airlines flying from Idaho to Philadelphia

Discover the top 5 airlines that operate flights from Idaho to Philadelphia. 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$177Average$307FlexibilityNo cancel feeOn-time65%
DeltaCheapest$316Average$458FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$338Average$558FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$367Average$502FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$376Average$665FlexibilityNo cancel feeOn-time69%
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