$129+ Cheap flights from Boise to Philadelphia (BOI - 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PHL
Aug 22 — Aug 291
Round-trip
1 adult, Economy
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Find cheap flights from Boise to Philadelphia with Cheapflights
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Cheapest flights from Boise to PhiladelphiaExplore the most affordable flight options available from Boise to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
Explore the most affordable flight options available from Boise to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
This American Airlines deal was found by Cheapflights users on 7/19. 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 8/203:19 pm
BOI
- PHL
1 stop6h 40m
American Airlines
Mon 8/241:40 pm
PHL
- BOI
1 stop11h 00m
American Airlines
Deal found 7/19![American Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Tue 8/181:24 pm
BOI
- PHL
1 stop14h 15m
Frontier
Wed 8/268:30 am
PHL
- BOI
2 stops28h 59m
Frontier
Deal found 7/23![Frontier logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Thu 8/2712:24 pm
BOI
- PHL
1 stop15h 15m
Frontier
Tue 9/14:45 pm
PHL
- BOI
2 stops44h 44m
Frontier
Deal found 7/23![Frontier logo]()
$303
This United Airlines deal was found by Cheapflights users on 7/23. 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 8/2910:36 am
BOI
- PHL
1 stop6h 49m
United Airlines
Mon 8/311:30 pm
PHL
- BOI
2 stops10h 07m
United Airlines
Deal found 7/23![United Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Sun 9/612:24 pm
BOI
- PHL
1 stop15h 15m
Frontier
Tue 9/84:45 pm
PHL
- BOI
2 stops45h 19m
Frontier
Deal found 7/23![Frontier logo]()
$308
This Delta deal was found by Cheapflights users on 7/23. 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.
Wed 9/21:59 pm
BOI
- PHL
1 stop7h 43m
Delta
Sun 9/66:00 am
PHL
- BOI
1 stop8h 49m
Delta
Deal found 7/23![Delta logo]()
$310
This Delta deal was found by Cheapflights users on 7/21. 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 12/33:22 pm
BOI
- PHL
1 stop6h 18m
Delta
Mon 12/76:40 pm
PHL
- BOI
1 stop7h 24m
Delta
Deal found 7/21![Delta logo]()
$311
This Southwest deal was found by Cheapflights users on 7/21. 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 9/1512:35 pm
BOI
- PHL
1 stop6h 00m
Southwest
Tue 9/226:00 am
PHL
- BOI
2 stops9h 40m
Southwest
Deal found 7/21![Southwest logo]()
$324
This Southwest deal was found by Cheapflights users on 7/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:00 am
BOI
- PHL
2 stops10h 00m
Southwest
Wed 8/263:05 pm
PHL
- BOI
2 stops10h 15m
Southwest
Deal found 7/23![Southwest logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:00 am
BOI
- PHL
1 stop7h 45m
Alaska Airlines
Tue 9/17:02 am
PHL
- BOI
1 stop10h 29m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$330
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:00 am
BOI
- PHL
1 stop7h 45m
Alaska Airlines
Tue 9/87:00 am
PHL
- BOI
1 stop10h 30m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$332
This American Airlines deal was found by Cheapflights users on 7/19. 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.
Fri 9/111:50 pm
BOI
- PHL
1 stop7h 31m
American Airlines
Sun 9/135:00 am
PHL
- BOI
1 stop10h 00m
American Airlines
Deal found 7/19![American Airlines logo]()
$334
Best flights from Boise to PhiladelphiaDiscover carefully curated flight deals from Boise to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
Discover carefully curated flight deals from Boise to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
This Delta deal was found by Cheapflights users on 7/23. 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 8/271:59 pm
BOI
- PHL
1 stop9h 20m
Delta
Mon 8/316:55 pm
PHL
- BOI
1 stop7h 04m
Delta
Deal found 7/23![Delta logo]()
$301
This Orbitz deal was found by Cheapflights users on 7/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:25 pm
BOI
- PHL
1 stop17h 20m
Alaska Airlines
Sun 9/207:00 am
PHL
- BOI
1 stop10h 30m
Alaska Airlines
Deal found 7/18![Alaska Airlines logo]()
$330
This Southwest deal was found by Cheapflights users on 7/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:10 pm
BOI
- PHL
1 stop7h 30m
Southwest
Tue 8/256:00 am
PHL
- BOI
2 stops9h 40m
Southwest
Deal found 7/20![Southwest logo]()
$335
This United Airlines deal was found by Cheapflights users on 7/18. 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.
Fri 9/1110:31 am
BOI
- PHL
1 stop6h 54m
United Airlines
Sun 9/136:25 am
PHL
- BOI
1 stop7h 03m
United Airlines
Deal found 7/18![United Airlines logo]()
$356
This Delta deal was found by Cheapflights users on 7/23. 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.
Sat 8/291:59 pm
BOI
- PHL
1 stop9h 20m
Delta
Mon 8/316:55 pm
PHL
- BOI
1 stop7h 04m
Delta
Deal found 7/23![Delta logo]()
$301
This Alaska Airlines deal was found by Cheapflights users on 7/19. 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.
Mon 8/316:00 am
BOI
- PHL
1 stop7h 45m
Alaska Airlines
Tue 9/17:02 am
PHL
- BOI
1 stop10h 29m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 7/23. 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.
Sat 9/52:53 pm
BOI
- PHL
1 stop7h 03m
Delta
Tue 9/86:59 pm
PHL
- BOI
1 stop7h 00m
Delta
Deal found 7/23![Delta logo]()
$301
This Southwest deal was found by Cheapflights users on 7/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:30 am
BOI
- PHL
1 stop7h 35m
Southwest
Mon 9/142:05 pm
PHL
- BOI
2 stops10h 30m
Southwest
Deal found 7/20![Southwest logo]()
$352
This United Airlines deal was found by Cheapflights users on 7/23. 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 8/2910:36 am
BOI
- PHL
2 stops9h 07m
United Airlines
Mon 8/3110:30 am
PHL
- BOI
2 stops9h 28m
United Airlines
Deal found 7/23![United Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 7/19. 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.
Wed 9/95:59 pm
BOI
- PHL
1 stop9h 51m
Delta
Mon 9/216:59 pm
PHL
- BOI
1 stop7h 00m
Delta
Deal found 7/19![Delta logo]()
$301
This Southwest deal was found by Cheapflights users on 7/19. 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 8/247:30 am
BOI
- PHL
2 stops11h 35m
Southwest
Mon 8/312:05 pm
PHL
- BOI
2 stops10h 30m
Southwest
Deal found 7/19![Southwest logo]()
$359
Last-minute flights from Boise to PhiladelphiaDiscover last-minute flight deals from Boise to Philadelphia. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Philadelphia. Data last updated July 23, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/19. 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 8/132:49 pm
BOI
- PHL
1 stop7h 30m
American Airlines
Thu 8/205:00 am
PHL
- BOI
1 stop8h 16m
American Airlines
Deal found 7/19![American Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Tue 8/181:24 pm
BOI
- PHL
1 stop14h 15m
Frontier
Wed 8/268:30 am
PHL
- BOI
2 stops28h 59m
Frontier
Deal found 7/23![Frontier logo]()
$302
This Southwest deal was found by Cheapflights users on 7/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:00 am
BOI
- PHL
2 stops10h 00m
Southwest
Wed 8/263:05 pm
PHL
- BOI
2 stops10h 15m
Southwest
Deal found 7/23![Southwest logo]()
$329
This American Airlines deal was found by Cheapflights users on 7/19. 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 8/203:19 pm
BOI
- PHL
1 stop6h 40m
American Airlines
Mon 8/241:40 pm
PHL
- BOI
1 stop11h 00m
American Airlines
Deal found 7/19![American Airlines logo]()
$301
This Southwest deal was found by Cheapflights users on 7/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:10 pm
BOI
- PHL
1 stop7h 30m
Southwest
Tue 8/256:00 am
PHL
- BOI
2 stops9h 40m
Southwest
Deal found 7/20![Southwest logo]()
$335
This Southwest deal was found by Cheapflights users on 7/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/212:55 pm
BOI
- PHL
1 stop6h 50m
Southwest
Mon 8/242:05 pm
PHL
- BOI
2 stops10h 30m
Southwest
Deal found 7/20![Southwest logo]()
$359
This Southwest deal was found by Cheapflights users on 7/19. 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 8/2412:10 pm
BOI
- PHL
1 stop7h 30m
Southwest
Mon 8/318:00 am
PHL
- BOI
2 stops10h 15m
Southwest
Deal found 7/19![Southwest logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Thu 8/2712:24 pm
BOI
- PHL
1 stop15h 15m
Frontier
Tue 9/14:45 pm
PHL
- BOI
2 stops44h 44m
Frontier
Deal found 7/23![Frontier logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Thu 8/2712:24 pm
BOI
- PHL
2 stops40h 51m
Frontier
Mon 8/318:37 pm
PHL
- BOI
1 stop17h 52m
Frontier
Deal found 7/23![Frontier logo]()
$336
This United Airlines deal was found by Cheapflights users on 7/23. 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 8/2910:36 am
BOI
- PHL
1 stop6h 49m
United Airlines
Mon 8/311:30 pm
PHL
- BOI
2 stops10h 07m
United Airlines
Deal found 7/23![United Airlines logo]()
$306
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:00 am
BOI
- PHL
1 stop7h 45m
Alaska Airlines
Tue 9/17:02 am
PHL
- BOI
1 stop10h 29m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$330
One-way flights from Boise to PhiladelphiaSearch for one-way flight options from Boise to Philadelphia. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
Search for one-way flight options from Boise to Philadelphia. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
This Booking.com deal was found by Cheapflights users on 7/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/161:24 pm
BOI
- PHL
1 stop20h 25m
Frontier
Deal found 7/19![Frontier logo]()
$129
This Delta deal was found by Cheapflights users on 7/23. 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.
Sat 10/173:00 pm
BOI
- PHL
1 stop6h 44m
Delta
Deal found 7/23![Delta logo]()
$151
This Southwest deal was found by Cheapflights users on 7/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:30 am
BOI
- PHL
2 stops11h 35m
Southwest
Deal found 7/20![Southwest logo]()
$174
This Booking.com deal was found by Cheapflights users on 7/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/41:24 pm
BOI
- PHL
1 stop20h 25m
Frontier
Deal found 7/21![Frontier logo]()
$178
This Booking.com deal was found by Cheapflights users on 7/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/281:24 pm
BOI
- PHL
1 stop20h 25m
Frontier
Deal found 7/21![Frontier logo]()
$179
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:52 pm
BOI
- PHL
1 stop9h 48m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$180
This Southwest deal was found by Cheapflights users on 7/21. 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.
Fri 8/142:55 pm
BOI
- PHL
1 stop6h 50m
Southwest
Deal found 7/21![Southwest logo]()
$193
This United Airlines deal was found by Cheapflights users on 7/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/152:44 pm
BOI
- PHL
1 stop7h 00m
United Airlines
Deal found 7/20![United Airlines logo]()
$199
Find flight deals from Boise to Philadelphia
Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) 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 July 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $296 (Kiwi.com) |
One-way from | $129 (Booking.com) |
Popular in | February |
Cheapest in | January |
Average price | $421 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise 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 2,558,603 searches. Data last updated July 23, 2026.
Use the filters below to find and compare flights from Boise to Philadelphia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoisePhiladelphia
BOI - PHL
BOIPHL
Boise Air Term. Gowen Fld
Thu 8/27
1:59 pm-1:19 am
1 stop9h 20m
Philadelphia
Mon 8/31
6:55 pm-11:59 pm
1 stop7h 04m
$301
BoisePhiladelphia
BOI - PHL
BOIPHL
Boise Air Term. Gowen Fld
Sat 8/29
1:59 pm-1:19 am
1 stop9h 20m
Philadelphia
Mon 8/31
6:55 pm-11:59 pm
1 stop7h 04m
$301
BoisePhiladelphia
BOI - PHL
BOIPHL
Boise Air Term. Gowen Fld
Sat 9/5
2:53 pm-11:56 pm
1 stop7h 03m
Philadelphia
Tue 9/8
6:59 pm-11:59 pm
1 stop7h 00m
$301
BoisePhiladelphia
BOI - PHL
BOIPHL
Boise Air Term. Gowen Fld
Wed 9/9
5:59 pm-5:50 am
1 stop9h 51m
Philadelphia
Mon 9/21
6:59 pm-11:59 pm
1 stop7h 00m
$301
BoisePhiladelphia
BOI - PHL
BOIPHL
Boise Air Term. Gowen Fld
Thu 9/17
8:25 pm-3:45 pm
1 stop17h 20m
Philadelphia
Sun 9/20
7:00 am-3:30 pm
1 stop10h 30m
$330
BoisePhiladelphia
BOI - PHL
BOIPHL
Boise Air Term. Gowen Fld
Mon 8/31
6:00 am-3:45 pm
1 stop7h 45m
Philadelphia
Tue 9/1
7:02 am-3:31 pm
1 stop10h 29m
$330
BoisePhiladelphia
BOI - PHL
BOIPHL
Boise Air Term. Gowen Fld
Fri 8/21
12:10 pm-9:40 pm
1 stop7h 30m
Philadelphia
Tue 8/25
6:00 am-1:40 pm
2 stops9h 40m
$335
BoisePhiladelphia
BOI - PHL
BOIPHL
Boise Air Term. Gowen Fld
Fri 9/11
11:30 am-9:05 pm
1 stop7h 35m
Philadelphia
Mon 9/14
2:05 pm-10:35 pm
2 stops10h 30m
$352
Quickest round-trip
BoisePhiladelphia
BOI - PHL
BOIPHL
Boise Air Term. Gowen Fld
Fri 9/11
10:31 am-7:25 pm
1 stop6h 54m
Philadelphia
Sun 9/13
6:25 am-11:28 am
1 stop7h 03m
$356
BoisePhiladelphia
BOI - PHL
BOIPHL
Boise Air Term. Gowen Fld
Sat 8/29
10:36 am-9:43 pm
2 stops9h 07m
Philadelphia
Mon 8/31
10:30 am-5:58 pm
2 stops9h 28m
$358
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Boise to Philadelphia
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 Boise to Philadelphia in July.
| 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 Boise-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Philadelphia flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boise-Philadelphia 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 Boise-Philadelphia 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 Boise to Philadelphia
Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Boise with our price prediction graph.
BOI-PHL
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 Boise to Philadelphia
What is the cheapest month to book a flight from Boise to Philadelphia?
Currently, January is the cheapest month in which you can book a flight from Boise to Philadelphia (average of $371). Flying from Boise to Philadelphia in February is currently the most expensive (average of $733). 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 Boise to Philadelphia?
Airfare is below average for this route at the moment.
Boise to Philadelphia flights typically cost between $338 and $534 in August.The cheapest round-trip price found within the last 5 days was $301 on American Airlines (Aug 20-Aug 24).
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 July 23, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Boise to Philadelphia 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.
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Boise to Philadelphia. 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 Philadelphia?
Book flights to Philadelphia if you plan to visit one of these locationsWildwood
King of Prussia
Reading
Camden
Ocean City
Cherry Hill
Lewes
Plymouth Meeting
Wyomissing
Wildwood Crest
Pottstown
Ephrata
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Vineland
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Boise and Philadelphia flights
Browse other Boise and Philadelphia flight options. Last updated on July 23, 2026.
Other flights from Boise
Browse through other flights departing from Boise. Flights are based on user searches made on Cheapflights and were last updated on July 23, 2026.
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Top 4 airlines flying from Boise to Philadelphia
Discover the top 4 airlines that operate flights from Boise 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 2,558,603 searches. Data last updated July 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$257 | Average$536 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$257 | Average$440 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$278 | Average$382 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$348 | Average$553 | FlexibilityNo cancel fee | On-time63% |