$116+ 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 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PHL
Jun 6 — Jun 131
Round-trip
1 adult, Economy
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Find cheap flights from Boise to Philadelphia with Cheapflights
1. Tell us where you want to go
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 Boise to Philadelphia
Cheapest
Best
Last-minute
One-way
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 May 7, 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 May 7, 2026.
This Frontier deal was found by Cheapflights users on 5/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/71:33 pm
BOI
- PHL
1 stop14h 04m
Frontier
Mon 6/158:37 pm
PHL
- BOI
1 stop17h 53m
Frontier
Deal found 5/4![Frontier logo]()
$252
This Delta deal was found by Cheapflights users on 5/6. 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 7/157:28 pm
BOI
- PHL
1 stop8h 01m
Delta
Mon 7/276:57 pm
PHL
- BOI
1 stop6h 49m
Delta
Deal found 5/6![Delta logo]()
$279
This Expedia deal was found by Cheapflights users on 5/5. 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.
Tue 6/26:07 pm
BOI
- PHL
1 stop9h 28m
Multiple Airlines
Tue 6/97:10 am
PHL
- BOI
1 stop7h 20m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$285
This Delta deal was found by Cheapflights users on 5/4. 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 7/206:42 pm
BOI
- PHL
2 stops11h 59m
Delta
Wed 7/295:15 am
PHL
- BOI
2 stops10h 29m
Delta
Deal found 5/4![Delta logo]()
$290
This Delta deal was found by Cheapflights users on 5/2. 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 7/311:45 pm
BOI
- PHL
1 stop8h 26m
Delta
Sun 7/125:40 am
PHL
- BOI
1 stop7h 17m
Delta
Deal found 5/2![Delta logo]()
$314
This Delta deal was found by Cheapflights users on 5/4. 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 6/59:18 pm
BOI
- PHL
2 stops11h 14m
Delta
Mon 6/86:51 pm
PHL
- BOI
1 stop7h 18m
Delta
Deal found 5/4![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 5/4. 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.
Sun 6/76:42 pm
BOI
- PHL
2 stops12h 02m
Delta
Mon 6/155:22 pm
PHL
- BOI
2 stops8h 25m
Delta
Deal found 5/4![Delta logo]()
$324
This American Airlines deal was found by Cheapflights users on 5/5. 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 9/105:11 pm
BOI
- PHL
1 stop10h 24m
American Airlines
Mon 9/144:17 pm
PHL
- BOI
1 stop9h 15m
American Airlines
Deal found 5/5![American Airlines logo]()
$330
This American Airlines deal was found by Cheapflights users on 5/4. 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 6/105:40 pm
BOI
- PHL
1 stop9h 54m
American Airlines
Sun 6/145:00 am
PHL
- BOI
1 stop8h 18m
American Airlines
Deal found 5/4![American Airlines logo]()
$334
This American Airlines deal was found by Cheapflights users on 5/4. 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.
Sun 5/243:11 pm
BOI
- PHL
1 stop7h 34m
American Airlines
Tue 5/265:00 am
PHL
- BOI
1 stop7h 29m
American Airlines
Deal found 5/4![American Airlines logo]()
$335
This Delta deal was found by Cheapflights users on 5/5. 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 6/211:39 pm
BOI
- PHL
2 stops10h 11m
Delta
Tue 6/95:40 am
PHL
- BOI
1 stop7h 23m
Delta
Deal found 5/5![Delta logo]()
$343
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 May 7, 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 May 7, 2026.
This Delta deal was found by Cheapflights users on 5/5. 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 7/156:42 pm
BOI
- PHL
2 stops11h 59m
Delta
Mon 7/276:57 pm
PHL
- BOI
1 stop6h 49m
Delta
Deal found 5/5![Delta logo]()
$284
This Southwest deal was found by Cheapflights users on 5/1. 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 8/202:55 pm
BOI
- PHL
1 stop6h 50m
Southwest
Mon 8/242:10 pm
PHL
- BOI
2 stops10h 25m
Southwest
Deal found 5/1![Southwest logo]()
$354
This American Airlines deal was found by Cheapflights users on 5/1. 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.
Mon 6/83:12 pm
BOI
- PHL
1 stop7h 27m
American Airlines
Wed 6/109:45 am
PHL
- BOI
1 stop9h 24m
American Airlines
Deal found 5/1![American Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 5/1. 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 6/210:41 am
BOI
- PHL
2 stops12h 18m
United Airlines
Wed 6/39:25 am
PHL
- BOI
1 stop9h 19m
United Airlines
Deal found 5/1![United Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 5/4. 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 7/206:42 pm
BOI
- PHL
2 stops11h 59m
Delta
Wed 7/295:15 am
PHL
- BOI
2 stops10h 29m
Delta
Deal found 5/4![Delta logo]()
$290
This Southwest deal was found by Cheapflights users on 5/1. 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 6/84:25 pm
BOI
- PHL
1 stop6h 15m
Southwest
Wed 6/104:35 pm
PHL
- BOI
2 stops9h 55m
Southwest
Deal found 5/1![Southwest logo]()
$399
This Delta deal was found by Cheapflights users on 5/5. 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 6/87:53 pm
BOI
- PHL
2 stops12h 54m
Delta
Wed 6/175:40 am
PHL
- BOI
1 stop7h 23m
Delta
Deal found 5/5![Delta logo]()
$394
This Delta deal was found by Cheapflights users on 5/2. 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 5/162:23 pm
BOI
- PHL
1 stop6h 59m
Delta
Sat 5/235:45 am
PHL
- BOI
1 stop9h 33m
Delta
Deal found 5/2![Delta logo]()
$438
Last-minute flights from Boise to PhiladelphiaDiscover last-minute flight deals from Boise to Philadelphia. Data last updated May 7, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Philadelphia. Data last updated May 7, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/4. 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.
Sun 5/243:11 pm
BOI
- PHL
1 stop7h 34m
American Airlines
Tue 5/265:00 am
PHL
- BOI
1 stop7h 29m
American Airlines
Deal found 5/4![American Airlines logo]()
$335
This Delta deal was found by Cheapflights users on 5/3. 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 6/11:53 pm
BOI
- PHL
1 stop9h 04m
Delta
Mon 6/86:51 pm
PHL
- BOI
1 stop7h 18m
Delta
Deal found 5/3![Delta logo]()
$279
This Expedia deal was found by Cheapflights users on 5/5. 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.
Tue 6/26:07 pm
BOI
- PHL
1 stop9h 28m
Multiple Airlines
Tue 6/97:10 am
PHL
- BOI
1 stop7h 20m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$285
This Delta deal was found by Cheapflights users on 5/5. 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 6/211:39 pm
BOI
- PHL
2 stops10h 11m
Delta
Tue 6/95:40 am
PHL
- BOI
1 stop7h 23m
Delta
Deal found 5/5![Delta logo]()
$343
This Delta deal was found by Cheapflights users on 5/4. 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 6/56:41 pm
BOI
- PHL
1 stop9h 29m
Delta
Mon 6/86:51 pm
PHL
- BOI
1 stop7h 18m
Delta
Deal found 5/4![Delta logo]()
$314
This American Airlines deal was found by Cheapflights users on 5/4. 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.
Sat 6/66:11 pm
BOI
- PHL
1 stop10h 25m
American Airlines
Sat 6/135:00 am
PHL
- BOI
1 stop8h 18m
American Airlines
Deal found 5/4![American Airlines logo]()
$349
This Frontier deal was found by Cheapflights users on 5/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/71:33 pm
BOI
- PHL
1 stop14h 04m
Frontier
Mon 6/158:37 pm
PHL
- BOI
1 stop17h 53m
Frontier
Deal found 5/4![Frontier logo]()
$252
This Delta deal was found by Cheapflights users on 5/4. 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.
Sun 6/76:42 pm
BOI
- PHL
2 stops12h 02m
Delta
Mon 6/155:22 pm
PHL
- BOI
2 stops8h 25m
Delta
Deal found 5/4![Delta logo]()
$324
This American Airlines deal was found by Cheapflights users on 5/4. 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 6/105:40 pm
BOI
- PHL
1 stop9h 54m
American Airlines
Sun 6/145:00 am
PHL
- BOI
1 stop8h 18m
American Airlines
Deal found 5/4![American Airlines logo]()
$334
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 May 7, 2026.
Search for one-way flight options from Boise to Philadelphia. Find affordable one-way fares based on user searches. Data last updated May 7, 2026.
This Booking.com deal was found by Cheapflights users on 5/2. 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 6/71:33 pm
BOI
- PHL
1 stop14h 04m
Frontier
Deal found 5/2![Frontier logo]()
$116
This Booking.com deal was found by Cheapflights users on 5/4. 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.
Thu 6/111:25 pm
BOI
- PHL
1 stop14h 13m
Frontier
Deal found 5/4![Frontier logo]()
$131
This Delta deal was found by Cheapflights users on 5/5. 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 6/45:45 am
BOI
- PHL
1 stop9h 50m
Delta
Deal found 5/5![Delta logo]()
$140
This Delta deal was found by Cheapflights users on 5/6. 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 9/47:30 pm
BOI
- PHL
1 stop8h 35m
Delta
Deal found 5/6![Delta logo]()
$175
This Delta deal was found by Cheapflights users on 5/6. 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.
Sun 6/77:53 pm
BOI
- PHL
2 stops12h 54m
Delta
Deal found 5/6![Delta logo]()
$180
This Delta deal was found by Cheapflights users on 5/6. 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 6/106:43 am
BOI
- PHL
2 stops10h 37m
Delta
Deal found 5/6![Delta logo]()
$185
This Southwest deal was found by Cheapflights users on 5/4. 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 9/411:30 am
BOI
- PHL
1 stop7h 35m
Southwest
Deal found 5/4![Southwest logo]()
$188
This Southwest deal was found by Cheapflights users on 5/3. 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.
Wed 7/110:40 am
BOI
- PHL
2 stops10h 10m
Southwest
Deal found 5/3![Southwest logo]()
$190
This American Airlines deal was found by Cheapflights users on 5/2. 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.
Sun 6/73:12 pm
BOI
- PHL
1 stop7h 43m
American Airlines
Deal found 5/2![American Airlines logo]()
$194
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 May 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $252 (Frontier) |
One-way from | $116 (Booking.com) |
Popular in | December |
Cheapest in | January |
Average price | $396 |
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 May 7, 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
Wed 7/15
6:42 pm-8:41 am
2 stops11h 59m
Philadelphia
Mon 7/27
6:57 pm-11:46 pm
1 stop6h 49m
$284
BoisePhiladelphia
BOI - PHL
BOIPHL
Boise Air Term. Gowen Fld
Mon 7/20
6:42 pm-8:41 am
2 stops11h 59m
Philadelphia
Wed 7/29
5:15 am-1:44 pm
2 stops10h 29m
$290
BoisePhiladelphia
BOI - PHL
BOIPHL
Boise Air Term. Gowen Fld
Thu 8/20
2:55 pm-11:45 pm
1 stop6h 50m
Philadelphia
Mon 8/24
2:10 pm-10:35 pm
2 stops10h 25m
$354
BoisePhiladelphia
BOI - PHL
BOIPHL
Boise Air Term. Gowen Fld
Mon 6/8
3:12 pm-12:39 am
1 stop7h 27m
Philadelphia
Wed 6/10
9:45 am-5:09 pm
1 stop9h 24m
$370
BoisePhiladelphia
BOI - PHL
BOIPHL
Boise Air Term. Gowen Fld
Tue 6/2
10:41 am-12:59 am
2 stops12h 18m
Philadelphia
Wed 6/3
9:25 am-4:44 pm
1 stop9h 19m
$394
BoisePhiladelphia
BOI - PHL
BOIPHL
Boise Air Term. Gowen Fld
Mon 6/8
7:53 pm-10:47 am
2 stops12h 54m
Philadelphia
Wed 6/17
5:40 am-11:03 am
1 stop7h 23m
$394
Quickest round-trip
BoisePhiladelphia
BOI - PHL
BOIPHL
Boise Air Term. Gowen Fld
Mon 6/8
4:25 pm-12:40 am
1 stop6h 15m
Philadelphia
Wed 6/10
4:35 pm-12:30 am
2 stops9h 55m
$399
BoisePhiladelphia
BOI - PHL
BOIPHL
Boise Air Term. Gowen Fld
Sat 5/16
2:23 pm-11:22 pm
1 stop6h 59m
Philadelphia
Sat 5/23
5:45 am-1:18 pm
1 stop9h 33m
$438
Cheapest one-way
BoisePhiladelphia
BOI - PHL
BOIPHL
Boise Air Term. Gowen Fld
Thu 6/4
5:45 am-5:35 pm
1 stop9h 50m
$140
BoisePhiladelphia
BOI - PHL
BOIPHL
Boise Air Term. Gowen Fld
Thu 7/16
6:07 pm-5:29 am
1 stop9h 22m
$140
Showing 1-10 of 12 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 May.
| 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
How far ahead should I book a flight from Boise to Philadelphia?
Booking 18 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boise to Philadelphia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 December is currently the most expensive (average of $628). 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?
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 May 7, 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.
Crew
8.6
Comfort
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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
Lewes
Dewey Beach
Pottstown
Vineland
Ephrata
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Glen Mills
Chester
Newark
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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 May 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$195 | Average$442 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$257 | Average$511 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$306 | Average$458 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$348 | Average$553 | FlexibilityNo cancel fee | On-time63% |