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Cheap flights from Philadelphia (PHL) to Idaho from $108

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 5/26. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PHL — BOI
May 21 — May 281
From?
To?
Tue 5/21
Tue 5/28
1 adult, Economy
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How far in advance should I book a flight from Philadelphia to Idaho?

Find a great deal and save up to 150% by booking at least 29 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Philadelphia to Idaho within the next two weeks, with the cheapest ticket starting at $588.

What is the cheapest month to fly from Philadelphia to Idaho?

Flights from Philadelphia to Idaho lean towards being more expensive in December. Prices are generally better when you fly from Philadelphia to Idaho in April, with the cheapest ticket starting at $210.

When is the cheapest time to fly from Philadelphia to Idaho (PHL - ID)?

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

Cheap Spirit Airlines flights from Philadelphia to Idaho

Explore cheap flight options specifically provided by Spirit Airlines for the route between Philadelphia and Idaho. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Take a peek at the cheapest Spirit Airlines flights we've detected traveling from Philadelphia to Idaho. Come back soon if you're not finding the exact deal you're looking for.
Sun 5/266:45 amPHL - BOI
1 stop15h 15mSpirit Airlines
Thu 5/305:20 pmBOI - PHL
1 stop11h 10mSpirit Airlines
Deal found 5/16$224
Sun 5/266:45 amPHL - BOI
1 stop15h 15mSpirit Airlines
Thu 5/308:50 pmBOI - PHL
1 stop7h 40mSpirit Airlines
Deal found 5/15$258
Sat 9/77:31 amPHL - BOI
1 stop14h 19mSpirit Airlines
Sat 9/148:40 pmBOI - PHL
1 stop7h 50mSpirit Airlines
Deal found 5/15$280
Sun 5/266:45 amPHL - BOI
1 stop10h 45mSpirit Airlines
Thu 5/305:20 pmBOI - PHL
2 stops20h 21mSpirit Airlines
Deal found 5/16$286
Mon 9/95:18 pmPHL - BOI
1 stop30h 51mSpirit Airlines
Sat 9/148:40 pmBOI - PHL
1 stop7h 50mSpirit Airlines
Deal found 5/15$288
Tue 7/162:05 pmPHL - BOI
1 stop24h 10mSpirit Airlines
Wed 9/2510:59 pmBOI - PHL
1 stop29h 31mSpirit Airlines
Deal found 5/15$293
Sat 9/77:31 amPHL - BOI
1 stop14h 19mSpirit Airlines
Sat 9/148:40 pmBOI - PHL
2 stops14h 03mSpirit Airlines
Deal found 5/15$301
Mon 7/155:05 pmPHL - BOI
1 stop26h 20mSpirit Airlines
Mon 9/99:35 pmBOI - PHL
1 stop29h 57mSpirit Airlines
Deal found 5/15$304
Mon 9/95:18 pmPHL - BOI
1 stop30h 51mSpirit Airlines
Sat 9/148:40 pmBOI - PHL
2 stops14h 03mSpirit Airlines
Deal found 5/15$309

Cheap Sun Country Air flights from Philadelphia to Idaho

Explore cheap flight options specifically provided by Sun Country Air for the route between Philadelphia and Idaho. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Some of the best deals we've found on Sun Country Air flights traveling from Philadelphia to Idaho. Deals are refreshing constantly so come back soon for more options.
Thu 7/2512:07 pmPHL - GEG
1 stop7h 51mSun Country Air
Thu 8/16:37 pmGEG - PHL
1 stop13h 43mSun Country Air
Deal found 5/15$290
Sat 6/2910:50 amPHL - BOI
1 stop8h 07mSun Country Air
Sat 7/65:25 pmBOI - PHL
1 stop15h 48mSun Country Air
Deal found 5/14$324
Thu 7/1812:01 pmPHL - GEG
1 stop8h 04mSun Country Air
Sun 7/216:45 pmGEG - PHL
1 stop13h 48mSun Country Air
Deal found 5/14$330
Thu 6/2711:59 amPHL - GEG
1 stop7h 48mSun Country Air
Sun 6/305:00 pmGEG - PHL
1 stop15h 29mSun Country Air
Deal found 5/15$345
Thu 6/2711:59 amPHL - GEG
1 stop7h 48mSun Country Air
Sun 6/305:00 pmGEG - PHL
1 stop15h 29mSun Country Air
Deal found 5/15$346

Cheap Philadelphia to Idaho flights in May & June 2024

Find cheap flight options from Philadelphia to Idaho specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on May 16, 2024.
Listed are some of the best fares we've found on flights departing from Philadelphia to Idaho in 2024. More deals are always being added, so be sure to check back regularly.
Sun 5/266:45 amPHL - BOI
1 stop15h 15mSpirit Airlines
Thu 5/305:20 pmBOI - PHL
1 stop11h 10mSpirit Airlines
Deal found 5/16$224
Wed 6/1911:13 amPHL - BOI
1 stop8h 04mMultiple Airlines
Tue 6/255:39 pmBOI - PHL
2 stops28h 54mMultiple Airlines
Deal found 5/15$244
Wed 6/193:45 pmPHL - BOI
2 stops21h 38mMultiple Airlines
Tue 6/255:39 pmBOI - PHL
2 stops28h 54mMultiple Airlines
Deal found 5/15$250
Wed 6/1911:13 amPHL - BOI
1 stop8h 04mMultiple Airlines
Tue 6/255:39 pmBOI - PHL
1 stop10h 11mMultiple Airlines
Deal found 5/15$252
Sun 5/266:45 amPHL - BOI
1 stop15h 15mSpirit Airlines
Thu 5/308:50 pmBOI - PHL
1 stop7h 40mSpirit Airlines
Deal found 5/15$258
Wed 6/1911:13 amPHL - BOI
1 stop8h 04mMultiple Airlines
Mon 6/247:19 pmBOI - PHL
2 stops13h 24mMultiple Airlines
Deal found 5/15$280
Wed 6/1911:13 amPHL - BOI
1 stop8h 04mMultiple Airlines
Mon 6/249:13 pmBOI - PHL
1 stop7h 25mMultiple Airlines
Deal found 5/15$286
Wed 6/193:45 pmPHL - BOI
2 stops21h 38mMultiple Airlines
Mon 6/247:19 pmBOI - PHL
2 stops13h 24mMultiple Airlines
Deal found 5/15$287
Wed 6/193:45 pmPHL - BOI
2 stops21h 38mMultiple Airlines
Mon 6/249:13 pmBOI - PHL
3 stops35h 10mMultiple Airlines
Deal found 5/15$295

Philadelphia to Idaho 2024 flight deals

Discover exclusive flight deals for travel between Philadelphia and Idaho in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Listed are some of the best fares we've found on flights departing from Philadelphia to Idaho in 2024. More deals are always being added, so be sure to check back regularly.
Sun 5/266:45 amPHL - BOI
1 stop15h 15mSpirit Airlines
Thu 5/305:20 pmBOI - PHL
1 stop11h 10mSpirit Airlines
Deal found 5/16$224
Wed 6/1911:13 amPHL - BOI
1 stop8h 04mMultiple Airlines
Tue 6/255:39 pmBOI - PHL
2 stops28h 54mMultiple Airlines
Deal found 5/15$244
Wed 6/193:45 pmPHL - BOI
2 stops21h 38mMultiple Airlines
Tue 6/255:39 pmBOI - PHL
2 stops28h 54mMultiple Airlines
Deal found 5/15$250
Wed 6/1911:13 amPHL - BOI
1 stop8h 04mMultiple Airlines
Tue 6/255:39 pmBOI - PHL
1 stop10h 11mMultiple Airlines
Deal found 5/15$252
Sun 5/266:45 amPHL - BOI
1 stop15h 15mSpirit Airlines
Thu 5/308:50 pmBOI - PHL
1 stop7h 40mSpirit Airlines
Deal found 5/15$258
Sat 9/77:31 amPHL - BOI
1 stop14h 19mSpirit Airlines
Sat 9/148:40 pmBOI - PHL
1 stop7h 50mSpirit Airlines
Deal found 5/15$280
Thu 7/2512:07 pmPHL - GEG
1 stop7h 51mSun Country Air
Thu 8/16:37 pmGEG - PHL
1 stop13h 43mSun Country Air
Deal found 5/16$285
Wed 6/1911:13 amPHL - BOI
1 stop8h 04mMultiple Airlines
Mon 6/249:13 pmBOI - PHL
1 stop7h 25mMultiple Airlines
Deal found 5/15$286
Wed 6/193:45 pmPHL - BOI
2 stops21h 38mMultiple Airlines
Mon 6/247:19 pmBOI - PHL
2 stops13h 24mMultiple Airlines
Deal found 5/15$287

Philadelphia to Idaho flights leaving soon

Find last-minute flight options from Philadelphia to Idaho for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Users seeking a last-minute flight from Philadelphia to Idaho should consider booking one of these fares. Tip: verify your flight details before completing your reservation.
Sun 5/266:45 amPHL - BOI
1 stop15h 15mSpirit Airlines
Thu 5/305:20 pmBOI - PHL
1 stop11h 10mSpirit Airlines
Deal found 5/16$224
Sun 5/266:45 amPHL - BOI
1 stop15h 15mSpirit Airlines
Thu 5/308:50 pmBOI - PHL
1 stop7h 40mSpirit Airlines
Deal found 5/15$258
Sun 5/266:45 amPHL - BOI
1 stop10h 45mSpirit Airlines
Thu 5/305:20 pmBOI - PHL
2 stops20h 21mSpirit Airlines
Deal found 5/16$286
Sun 5/266:45 amPHL - BOI
1 stop15h 15mSpirit Airlines
Thu 5/308:50 pmBOI - PHL
2 stops16h 51mSpirit Airlines
Deal found 5/15$344
Thu 5/238:09 amPHL - BOI
1 stop10h 21mSpirit Airlines
Thu 6/69:13 pmBOI - PHL
1 stop7h 25mSpirit Airlines
Deal found 5/15$409
Thu 5/236:31 amPHL - BOI
2 stops29h 33mSpirit Airlines
Thu 6/69:13 pmBOI - PHL
1 stop7h 25mSpirit Airlines
Deal found 5/15$419
Sun 5/267:00 amPHL - GEG
1 stop8h 37mUnited Airlines
Sun 5/2611:59 pmGEG - PHL
1 stop7h 30mUnited Airlines
Deal found 5/15$432
Tue 5/212:05 pmPHL - BOI
1 stop8h 20mSpirit Airlines
Wed 5/228:46 pmBOI - PHL
1 stop7h 44mSpirit Airlines
Deal found 5/14$440
Thu 5/236:31 amPHL - BOI
2 stops29h 33mSpirit Airlines
Thu 6/69:13 pmBOI - PHL
2 stops13h 01mSpirit Airlines
Deal found 5/15$465

One-way flights to Idaho from Philadelphia

Search for one-way flight options from Philadelphia to Idaho. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Take a look at some of the best available options we've come across on one-way flights from Philadelphia to Idaho. Those seeking round-trip flights from Philadelphia to Idaho should utilize the search form at the the top of the page.
Sun 5/266:45 amPHL - BOI
1 stop10h 45mSpirit Airlines
Deal found 5/15$108
Sat 7/2010:23 amPHL - BOI
1 stop8h 11mSun Country Air
Deal found 5/15$124
Wed 7/1011:23 amPHL - BOI
1 stop8h 31mSun Country Air
Deal found 5/15$125
Wed 6/53:45 pmPHL - GEG
2 stops20h 08mMultiple Airlines
Deal found 5/14$127
Sat 6/87:31 amPHL - BOI
1 stop14h 52mSpirit Airlines
Deal found 5/15$139
Sat 9/77:31 amPHL - BOI
1 stop14h 19mSpirit Airlines
Deal found 5/15$140
Wed 6/58:00 amPHL - GEG
3 stops27h 53mMultiple Airlines
Deal found 5/14$159
Sat 9/75:10 amPHL - BOI
2 stops18h 59mSpirit Airlines
Deal found 5/15$180
Sat 9/78:20 amPHL - JAC
1 stop9h 01mAmerican Airlines
Deal found 5/16$186

Find flights from Philadelphia to Idaho within your budget

Customize your flight search to find flights from Philadelphia 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 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$244 - $510

Route

Depart

Return

Price

PhiladelphiaBoise Air Term. Gowen Fld

PHL - BOI

PHLBOI

Philadelphia

Wed 6/19

1 stop8h 04m

Boise Air Term. Gowen Fld

Tue 6/25

2 stops28h 54m

$244

PhiladelphiaBoise Air Term. Gowen Fld

PHL - BOI

PHLBOI

Philadelphia

Wed 6/19

2 stops21h 38m

Boise Air Term. Gowen Fld

Tue 6/25

2 stops28h 54m

$250

PhiladelphiaBoise Air Term. Gowen Fld

PHL - BOI

PHLBOI

Philadelphia

Wed 6/19

1 stop8h 04m

Boise Air Term. Gowen Fld

Tue 6/25

1 stop10h 11m

$252

PhiladelphiaBoise Air Term. Gowen Fld

PHL - BOI

PHLBOI

Philadelphia

Sun 5/26

1 stop15h 15m

Boise Air Term. Gowen Fld

Thu 5/30

1 stop7h 40m

$258

PhiladelphiaSpokane

PHL - GEG

PHLGEG

Philadelphia

Thu 7/25

1 stop7h 51m

Spokane

Thu 8/1

1 stop13h 43m

$290

PhiladelphiaJackson Hole

PHL - JAC

PHLJAC

Philadelphia

Tue 9/17

1 stop6h 49m

Jackson Hole

Tue 9/24

1 stop6h 46m

$371

PhiladelphiaJackson Hole

PHL - JAC

PHLJAC

Philadelphia

Sat 9/7

1 stop8h 42m

Jackson Hole

Tue 9/10

1 stop8h 22m

$372

PhiladelphiaSpokane

PHL - GEG

PHLGEG

Philadelphia

Wed 5/29

1 stop7h 56m

Spokane

Mon 6/3

1 stop9h 19m

$388

PhiladelphiaSpokane

PHL - GEG

PHLGEG

Philadelphia

Sat 8/24

1 stop7h 25m

Spokane

Sat 8/31

1 stop6h 48m

$510

Flights are sorted by cheapest first

Deals found on 5/15

No data available for this route at this time. Please check back soon.

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 May 16, 2024.
Peruse reviews from past customers who have flown with Spirit Airlines, Sun Country Air and American Airlines from Philadelphia to Idaho to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,157 reviews
Check prices

Entertainment

7.3

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,157 reviews
Alaska Airlines
8.1
Very good
9,157 reviews
Check prices

Entertainment

7.3

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.0
Very good
10,673 reviews
Alaska Airlines
8.1
Very good
9,157 reviews
Check prices

Entertainment

7.3

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
10,924 reviews
Alaska Airlines
8.1
Very good
9,157 reviews
Check prices

Entertainment

7.3

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

American Airlines
7.3
Good
14,514 reviews
Alaska Airlines
8.1
Very good
9,157 reviews
Check prices

Entertainment

7.3

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Sun Country Air
7.2
Good
630 reviews
Alaska Airlines
8.1
Very good
9,157 reviews
Check prices

Entertainment

7.3

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

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

    Philadelphia (PHL) is the airport you will fly out of if you book a flight from Philadelphia to Idaho. It is only a 7.0 mi journey to Philadelphia (PHL) from Philadelphia’s city center.

  • Can I find flights from Philadelphia to Idaho for under $300 on Cheapflights?

    Yes, there are multiple flights from Philadelphia to Idaho for under $300. The cheapest flight booked recently is on Multiple Airlines for just $244, but on average you can expect to pay $290.

  • Are there last-minute flights available from Philadelphia to Idaho for under $300?

    There are currently 20+ open flights from Philadelphia to Idaho within the next 7 days for less than $300.

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

    The cheapest airlines for a one-way flight from Philadelphia to Idaho are Spirit Airlines ($108), Sun Country Air ($124), and American Airlines ($186).

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

    While some choose either Philadelphia - Boise Air Term. Gowen Fld or Philadelphia - Spokane, Philadelphia - Jackson Hole is the most popular route from Philadelphia to Idaho.

  • What are the most popular airlines that fly from Philadelphia to Idaho?

    Consider American Airlines, Delta or Spirit Airlines when booking your flight. These represent the most popular airlines when flying from Philadelphia to Idaho.

  • What does PHL to BOI mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Philadelphia Airport to Boise Air Term. Gowen Fld Airport flight would often be abbreviated as a PHL to BOI flight. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Idaho Falls Fanning Field Airport (IDA), Hailey Sun Valley-Friedman Airport (SUN), Lewiston Nez Perce Rgnl Airport (LWS), Pocatello Airport (PIH), Twin Falls Joslin Airport (TWF).

  • Can I find deals for flights from Philadelphia to Idaho that include extra baggage allowance?

    The amount of baggage you can bring on your Philadelphia to Idaho flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Philadelphia to Idaho with specific airlines?

    Yes, Cheapflights allows you to browse and filter Philadelphia to Idaho flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Philadelphia 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.

  • Can I find deals for flights from Philadelphia to Idaho that allow pets onboard?

    Many airlines flying from Philadelphia to Idaho offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Philadelphia to Idaho?

    Yes, you can often find last-minute deals on Philadelphia to Idaho flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Philadelphia to Idaho flight deals updated?

    The Philadelphia to Idaho flight deals you see on this page were last updated on 5/16.

See more FAQs

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Top 4 airlines flying from Philadelphia to Idaho

Discover the top 4 airlines that operate flights from Philadelphia 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 2,637,452 searches. Data last updated May 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$192Average$300FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
DeltaCheapest$336Average$678FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$344Average$811FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$361Average$615FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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Philadelphia to Illinois flights

Search flights from Philadelphia to Idaho by cabin class

Find flights from Philadelphia to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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How does Cheapflights help users find flights from Philadelphia to Idaho?

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Why should you use Cheapflights to find cheap flight tickets from Philadelphia to Idaho?

Millions of users choose and trust Cheapflights to book the best flight deals from Philadelphia to Idaho for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Philadelphia to Idaho with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Philadelphia to Idaho flexibly with Cheapflights today.

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Of course! You can now track prices for flights from Philadelphia to Idaho and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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