$126+ Cheap flights from Philadelphia to Boise (PHL - BOI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BOI
Oct 23 — Oct 301
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia to Boise with Cheapflights
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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
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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 Philadelphia to Boise
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Cheapest flights from Philadelphia to BoiseExplore the most affordable flight options available from Philadelphia to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
Explore the most affordable flight options available from Philadelphia to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
This Expedia deal was found by Cheapflights users on 9/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:41 pm -
1 stop17h 15m
Mon 10/262:50 pm -
1 stop14h 28m
Deal found 9/19![Multiple Airlines logo]()
$283
This Delta deal was found by Cheapflights users on 9/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:16 pm -
1 stop6h 43m
Sat 10/175:59 pm -
1 stop9h 44m
Deal found 9/18![Delta logo]()
$311
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:15 am -
2 stops9h 30m
Wed 11/1112:31 pm -
1 stop8h 40m
Deal found 9/21![United Airlines logo]()
$316
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:10 am -
1 stop7h 18m
Sat 10/175:00 am -
2 stops11h 14m
Deal found 9/21![United Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:10 am -
1 stop7h 18m
Wed 10/285:00 am -
2 stops10h 47m
Deal found 9/21![United Airlines logo]()
$338
This American Airlines deal was found by Cheapflights users on 9/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/236:31 pm -
1 stop8h 01m
Sat 1/161:35 pm -
1 stop7h 09m
Deal found 9/18![American Airlines logo]()
$350
This Expedia deal was found by Cheapflights users on 9/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:41 pm -
1 stop17h 15m
Fri 10/234:18 pm -
1 stop11h 23m
Deal found 9/19![Alaska Airlines logo]()
$361
This Delta deal was found by Cheapflights users on 9/22. 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.
Mon 10/197:00 am -
1 stop10h 20m
Thu 10/225:59 pm -
1 stop9h 45m
Deal found 9/22![Delta logo]()
$375
This Southwest deal was found by Cheapflights users on 9/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:30 am -
2 stops10h 35m
Wed 11/115:45 am -
2 stops13h 45m
Deal found 9/21![Southwest logo]()
$382
This American Airlines deal was found by Cheapflights users on 9/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:00 am -
1 stop8h 24m
Sun 10/183:24 pm -
1 stop6h 48m
Deal found 9/21![American Airlines logo]()
$387
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:02 am -
1 stop9h 25m
Wed 11/116:37 am -
1 stop8h 08m
Deal found 9/20![Alaska Airlines logo]()
$390
Best flights from Philadelphia to BoiseDiscover carefully curated flight deals from Philadelphia to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
Discover carefully curated flight deals from Philadelphia to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
This United Airlines deal was found by Cheapflights users on 9/19. 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.
Sat 10/176:10 am -
1 stop7h 18m
Sat 10/248:08 am -
1 stop9h 16m
Deal found 9/19![United Airlines logo]()
$311
This Delta deal was found by Cheapflights users on 9/22. 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.
Mon 10/197:00 am -
1 stop10h 20m
Thu 10/225:59 pm -
1 stop9h 45m
Deal found 9/22![Delta logo]()
$375
This Alaska Airlines deal was found by Cheapflights users on 9/19. 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 11/107:02 am -
1 stop9h 25m
Wed 11/116:37 am -
1 stop8h 08m
Deal found 9/19![Alaska Airlines logo]()
$390
This Southwest deal was found by Cheapflights users on 9/19. 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.
Thu 11/51:50 pm -
2 stops11h 10m
Tue 11/1011:40 am -
2 stops9h 50m
Deal found 9/19![Southwest logo]()
$432
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:45 am -
2 stops13h 30m
Wed 11/1112:31 pm -
1 stop8h 40m
Deal found 9/21![United Airlines logo]()
$446
This Southwest deal was found by Cheapflights users on 9/19. 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 10/195:15 pm -
2 stops10h 30m
Fri 10/233:50 pm -
1 stop7h 20m
Deal found 9/19![Southwest logo]()
$468
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:10 am -
1 stop7h 18m
Sat 10/175:00 am -
2 stops11h 14m
Deal found 9/21![United Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 9/22. 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.
Mon 10/127:00 am -
1 stop10h 20m
Sun 10/185:59 pm -
1 stop9h 45m
Deal found 9/22![Delta logo]()
$511
This Alaska Airlines deal was found by Cheapflights users on 9/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/34:17 pm -
2 stops18h 51m
Wed 10/74:18 pm -
1 stop11h 23m
Deal found 9/18![Alaska Airlines logo]()
$514
Last-minute flights from Philadelphia to BoiseDiscover last-minute flight deals from Philadelphia to Boise. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Boise. Data last updated September 23, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:16 pm -
1 stop6h 43m
Sat 10/175:59 pm -
1 stop9h 44m
Deal found 9/18![Delta logo]()
$311
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:10 am -
1 stop7h 18m
Sat 10/175:00 am -
2 stops11h 14m
Deal found 9/21![United Airlines logo]()
$334
This American Airlines deal was found by Cheapflights users on 9/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:00 am -
1 stop8h 24m
Sun 10/183:24 pm -
1 stop6h 48m
Deal found 9/21![American Airlines logo]()
$387
This United Airlines deal was found by Cheapflights users on 9/19. 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.
Sat 10/176:10 am -
1 stop7h 18m
Sat 10/2410:35 am -
2 stops10h 55m
Deal found 9/19![United Airlines logo]()
$316
This Expedia deal was found by Cheapflights users on 9/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:41 pm -
1 stop17h 15m
Fri 10/234:18 pm -
1 stop11h 23m
Deal found 9/19![Alaska Airlines logo]()
$361
This Delta deal was found by Cheapflights users on 9/22. 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.
Mon 10/197:00 am -
1 stop10h 20m
Thu 10/225:59 pm -
1 stop9h 45m
Deal found 9/22![Delta logo]()
$375
This Delta deal was found by Cheapflights users on 9/21. 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.
Mon 10/197:00 am -
1 stop10h 20m
Fri 10/237:13 pm -
1 stop8h 31m
Deal found 9/21![Delta logo]()
$391
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:10 am -
1 stop7h 18m
Wed 10/285:00 am -
2 stops10h 47m
Deal found 9/21![United Airlines logo]()
$338
This Southwest deal was found by Cheapflights users on 9/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:25 am -
2 stops10h 20m
Wed 10/287:15 am -
2 stops8h 40m
Deal found 9/21![Southwest logo]()
$399
This Expedia deal was found by Cheapflights users on 9/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:41 pm -
1 stop17h 15m
Mon 10/262:50 pm -
1 stop14h 28m
Deal found 9/19![Multiple Airlines logo]()
$283
This Southwest deal was found by Cheapflights users on 9/19. 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.
Thu 10/225:10 pm -
2 stops9h 55m
Mon 10/264:05 pm -
1 stop7h 05m
Deal found 9/19![Southwest logo]()
$402
One-way flights from Philadelphia to BoiseSearch for one-way flight options from Philadelphia to Boise. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
Search for one-way flight options from Philadelphia to Boise. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:44 pm -
1 stop19h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$126
This Delta deal was found by Cheapflights users on 9/21. 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.
Thu 11/57:00 am -
1 stop10h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Delta logo]()
$156
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:15 am -
2 stops9h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![United Airlines logo]()
$161
This Cheapflightsfares deal was found by Cheapflights users on 9/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:44 pm -
1 stop19h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$165
This Delta deal was found by Cheapflights users on 9/22. 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.
Fri 10/167:00 am -
1 stop10h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Delta logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 9/22. 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.
Wed 10/215:22 pm -
2 stops22h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 9/22. 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.
Tue 10/208:30 am -
2 stops55h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$192
This Cheapflightsfares deal was found by Cheapflights users on 9/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/188:44 pm -
1 stop19h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$197
This Cheapflightsfares deal was found by Cheapflights users on 9/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:44 pm -
1 stop19h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$198
This Southwest deal was found by Cheapflights users on 9/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:25 am -
2 stops10h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Southwest logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 10/179:09 pm -
2 stops42h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$216
Find flight deals from Philadelphia to Boise
Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Boise (BOI). 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 September 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $283 (Expedia) |
One-way from | $126 (Cheapflightsfares) |
Popular in | December |
Cheapest in | April |
Average price | $547 |
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia 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 7,457,451 searches. Data last updated September 23, 2026.
Use the filters below to find and compare flights from Philadelphia to Boise that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhiladelphiaBoise
PHL Philadelphia - BOI Boise Air Term. Gowen Fld
PHLBOI
Philadelphia
Thu 11/5
6:15 am-11:31 am
1 stop7h 16m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$156
Quickest round-trip
PhiladelphiaBoise
PHL Philadelphia - BOI Boise Air Term. Gowen Fld
PHLBOI
Philadelphia
Tue 10/20
7:16 pm-11:59 pm
1 stop6h 43m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$156
PhiladelphiaBoise
PHL Philadelphia - BOI Boise Air Term. Gowen Fld
PHLBOI
Philadelphia
Thu 10/15
6:00 am-3:31 pm
1 stop11h 31m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$156
PhiladelphiaBoise
PHL Philadelphia - BOI Boise Air Term. Gowen Fld
PHLBOI
Philadelphia
Sat 10/17
6:10 am-11:28 am
1 stop7h 18m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$156
PhiladelphiaBoise
PHL Philadelphia - BOI Boise Air Term. Gowen Fld
PHLBOI
Philadelphia
Tue 10/20
6:25 am-2:45 pm
2 stops10h 20m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$203
PhiladelphiaBoise
PHL Philadelphia - BOI Boise Air Term. Gowen Fld
PHLBOI
Philadelphia
Mon 10/19
7:00 am-3:20 pm
1 stop10h 20m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$220
PhiladelphiaBoise
PHL Philadelphia - BOI Boise Air Term. Gowen Fld
PHLBOI
Philadelphia
Thu 10/22
5:50 am-12:40 pm
2 stops32h 50m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$236
PhiladelphiaBoise
PHL Philadelphia - BOI Boise Air Term. Gowen Fld
PHLBOI
Philadelphia
Fri 10/16
5:15 pm-1:45 am
2 stops10h 30m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$268
PhiladelphiaBoise
PHL Philadelphia - BOI Boise Air Term. Gowen Fld
PHLBOI
Philadelphia
Sun 10/18
5:20 am-10:40 am
1 stop7h 20m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$285
PhiladelphiaBoise
PHL Philadelphia - BOI Boise Air Term. Gowen Fld
PHLBOI
Philadelphia
Sat 10/17
6:10 am-11:28 am
1 stop7h 18m
Boise Air Term. Gowen Fld
Sat 10/24
8:08 am-7:24 pm
1 stop9h 16m
$311
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Philadelphia to Boise
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Boise in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Philadelphia-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Boise flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Philadelphia-Boise flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Boise flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Philadelphia to Boise
Have a flexible travel schedule? Discover the best time to fly to Boise from Philadelphia with our price prediction graph.
PHL-BOI
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 Philadelphia to Boise
How far ahead should I book a flight from Philadelphia to Boise?
To ensure you get the cheapest price possible for a flight from Philadelphia to Boise, you should look to book at least 40 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Philadelphia to Boise?
Currently, April is the cheapest month in which you can book a flight from Philadelphia to Boise (average of $373). Flying from Philadelphia to Boise in December is currently the most expensive (average of $616). 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.
How much does it cost to fly round-trip from Philadelphia to Boise?
Airfare is below average for this route at the moment.
Philadelphia to Boise flights typically cost between $382 and $1,036 in October.The cheapest round-trip price found within the last 5 days was $283 on Multiple Airlines (Oct 22-Oct 26).
Reviews of airlines servicing Boise
Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated September 23, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Philadelphia to Boise have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Related info for your journey
Find useful and relevant information for your journey from Philadelphia to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boise?
Book flights to Boise if you plan to visit one of these locationsOntario
Meridian
Nampa
Caldwell
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Top 4 airlines flying from Philadelphia to Boise
Discover the top 4 airlines that operate flights from Philadelphia 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 7,457,451 searches. Data last updated September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$278 | Average$389 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$297 | Average$504 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$318 | Average$676 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$381 | Average$556 | FlexibilityNo cancel fee | On-time63% |