$122+ Cheap flights from Boise to Philadelphia (BOI - PHL)
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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PHL
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from Boise to Philadelphia 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 Boise to Philadelphia
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Best
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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 September 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 September 7, 2026.
This Expedia deal was found by Cheapflights users on 9/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/262:50 pm -
1 stop14h 28m
Wed 10/286:41 pm -
1 stop17h 15m
Deal found 9/3![Multiple Airlines logo]()
$291
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:04 pm -
1 stop9h 37m
Sat 10/317:02 am -
1 stop10h 21m
Deal found 9/6![Alaska Airlines logo]()
$311
This Southwest deal was found by Cheapflights users on 9/4. 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.
Tue 10/2011:55 am -
2 stops9h 40m
Sat 10/245:25 am -
1 stop12h 50m
Deal found 9/4![Southwest logo]()
$322
This Delta deal was found by Cheapflights users on 9/3. 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.
Fri 10/237:13 pm -
1 stop8h 31m
Tue 10/277:00 am -
1 stop10h 20m
Deal found 9/3![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 9/5. 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 10/511:10 pm -
1 stop8h 19m
Thu 10/87:00 am -
1 stop10h 20m
Deal found 9/5![Delta logo]()
$331
This United Airlines deal was found by Cheapflights users on 9/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:31 pm -
1 stop7h 09m
Wed 10/286:15 am -
2 stops9h 30m
Deal found 9/3![United Airlines logo]()
$334
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Fri 10/912:14 pm -
1 stop10h 11m
Fri 10/165:00 am -
1 stop8h 24m
Deal found 9/2![American Airlines logo]()
$347
This Southwest deal was found by Cheapflights users on 9/3. 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.
Fri 10/233:50 pm -
1 stop7h 20m
Mon 10/265:10 pm -
2 stops9h 55m
Deal found 9/3![Southwest logo]()
$352
This Delta deal was found by Cheapflights users on 9/3. 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.
Fri 10/236:49 pm -
1 stop9h 16m
Sun 10/257:00 am -
1 stop10h 20m
Deal found 9/3![Delta logo]()
$358
This Delta deal was found by Cheapflights users on 9/6. 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 10/145:59 pm -
1 stop9h 45m
Sun 10/257:00 am -
1 stop10h 20m
Deal found 9/6![Delta logo]()
$360
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 September 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 September 7, 2026.
This Delta deal was found by Cheapflights users on 9/2. 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.
Thu 10/226:49 pm -
1 stop9h 16m
Sat 10/245:45 am -
1 stop8h 50m
Deal found 9/2![Delta logo]()
$311
This United Airlines deal was found by Cheapflights users on 9/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:00 am -
2 stops11h 14m
Sat 10/106:10 am -
1 stop7h 18m
Deal found 9/5![United Airlines logo]()
$396
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:21 pm -
1 stop9h 11m
Tue 11/105:49 pm -
1 stop28h 13m
Deal found 9/5![Alaska Airlines logo]()
$398
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:50 pm -
1 stop7h 20m
Fri 10/165:10 pm -
2 stops9h 55m
Deal found 9/2![Southwest logo]()
$402
This Delta deal was found by Cheapflights users on 9/3. 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.
Fri 10/237:13 pm -
1 stop8h 31m
Tue 10/277:00 am -
1 stop10h 20m
Deal found 9/3![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 9/4. 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.
Thu 11/55:59 pm -
1 stop9h 45m
Mon 11/95:35 am -
1 stop8h 58m
Deal found 9/4![Delta logo]()
$331
This Southwest deal was found by Cheapflights users on 9/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:20 am -
2 stops10h 15m
Sat 10/175:25 am -
1 stop7h 20m
Deal found 9/5![Southwest logo]()
$414
This United Airlines deal was found by Cheapflights users on 9/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:31 pm -
1 stop8h 26m
Tue 11/106:15 am -
1 stop7h 16m
Deal found 9/2![United Airlines logo]()
$421
This Delta deal was found by Cheapflights users on 9/3. 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.
Fri 10/236:49 pm -
1 stop9h 16m
Sun 10/257:00 am -
1 stop10h 20m
Deal found 9/3![Delta logo]()
$358
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:55 am -
2 stops9h 40m
Sun 10/255:20 am -
1 stop7h 20m
Deal found 9/2![Southwest logo]()
$418
This Delta deal was found by Cheapflights users on 9/4. 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 11/65:59 pm -
1 stop9h 45m
Mon 11/97:11 pm -
1 stop6h 45m
Deal found 9/4![Delta logo]()
$360
Last-minute flights from Boise to PhiladelphiaDiscover last-minute flight deals from Boise to Philadelphia. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Philadelphia. Data last updated September 7, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/5. 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 10/511:10 pm -
1 stop8h 19m
Thu 10/87:00 am -
1 stop10h 20m
Deal found 9/5![Delta logo]()
$331
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Fri 10/912:14 pm -
1 stop10h 11m
Fri 10/165:00 am -
1 stop8h 24m
Deal found 9/2![American Airlines logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:04 pm -
1 stop9h 37m
Sat 10/317:02 am -
1 stop10h 21m
Deal found 9/6![Alaska Airlines logo]()
$311
This Delta deal was found by Cheapflights users on 9/6. 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 10/145:59 pm -
1 stop9h 45m
Sun 10/257:00 am -
1 stop10h 20m
Deal found 9/6![Delta logo]()
$360
This Southwest deal was found by Cheapflights users on 9/4. 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.
Tue 10/2011:55 am -
2 stops9h 40m
Sat 10/245:25 am -
1 stop12h 50m
Deal found 9/4![Southwest logo]()
$322
This Delta deal was found by Cheapflights users on 9/3. 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.
Fri 10/237:13 pm -
1 stop8h 31m
Tue 10/277:00 am -
1 stop10h 20m
Deal found 9/3![Delta logo]()
$329
This Southwest deal was found by Cheapflights users on 9/3. 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.
Fri 10/233:50 pm -
1 stop7h 20m
Mon 10/265:10 pm -
2 stops9h 55m
Deal found 9/3![Southwest logo]()
$352
This Delta deal was found by Cheapflights users on 9/3. 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.
Fri 10/236:49 pm -
1 stop9h 16m
Sun 10/257:00 am -
1 stop10h 20m
Deal found 9/3![Delta logo]()
$358
This Expedia deal was found by Cheapflights users on 9/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/262:50 pm -
1 stop14h 28m
Wed 10/286:41 pm -
1 stop17h 15m
Deal found 9/3![Multiple Airlines logo]()
$291
This United Airlines deal was found by Cheapflights users on 9/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:31 pm -
1 stop7h 09m
Wed 10/286:15 am -
2 stops9h 30m
Deal found 9/3![United 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 September 7, 2026.
Search for one-way flight options from Boise to Philadelphia. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Booking.com deal was found by Cheapflights users on 9/4. 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 10/222:50 pm -
1 stop14h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:50 pm -
2 stops25h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$146
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 10/175:59 am -
1 stop7h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Alaska Airlines logo]()
$156
This United Airlines deal was found by Cheapflights users on 9/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/106:25 am -
2 stops13h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![United Airlines logo]()
$171
This Delta deal was found by Cheapflights users on 9/3. 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.
Fri 10/231:40 pm -
1 stop9h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Delta logo]()
$174
This deal was found by Cheapflights users on 9/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/172:44 pm -
1 stop6h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![United Airlines logo]()
$211
This Southwest deal was found by Cheapflights users on 9/3. 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.
Fri 10/2311:20 am -
2 stops10h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Southwest logo]()
$214
This Southwest deal was found by Cheapflights users on 9/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:20 am -
2 stops10h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Southwest logo]()
$249
This deal was found by Cheapflights users on 9/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:26 pm -
1 stop7h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$263
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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $291 (Expedia) |
One-way from | $122 (Booking.com) |
Popular in | February |
Cheapest in | August |
Average price | $378 |
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 7,457,451 searches. Data last updated September 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 Boise Air Term. Gowen Fld - PHL Philadelphia
BOIPHL
Boise Air Term. Gowen Fld
Sat 10/17
12:14 pm-12:25 am
1 stop10h 11m
Philadelphia
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$156
BoisePhiladelphia
BOI Boise Air Term. Gowen Fld - PHL Philadelphia
BOIPHL
Boise Air Term. Gowen Fld
Sat 10/17
5:59 am-3:14 pm
1 stop7h 15m
Philadelphia
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$156
BoisePhiladelphia
BOI Boise Air Term. Gowen Fld - PHL Philadelphia
BOIPHL
Boise Air Term. Gowen Fld
Wed 10/14
2:41 pm-12:25 am
1 stop7h 44m
Philadelphia
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$156
BoisePhiladelphia
BOI Boise Air Term. Gowen Fld - PHL Philadelphia
BOIPHL
Boise Air Term. Gowen Fld
Fri 10/23
1:40 pm-12:56 am
1 stop9h 16m
Philadelphia
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$174
Quickest round-trip
BoisePhiladelphia
BOI Boise Air Term. Gowen Fld - PHL Philadelphia
BOIPHL
Boise Air Term. Gowen Fld
Sat 10/17
2:44 pm-11:20 pm
1 stop6h 36m
Philadelphia
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$211
BoisePhiladelphia
BOI Boise Air Term. Gowen Fld - PHL Philadelphia
BOIPHL
Boise Air Term. Gowen Fld
Fri 10/23
11:20 am-11:55 pm
2 stops10h 35m
Philadelphia
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$214
BoisePhiladelphia
BOI Boise Air Term. Gowen Fld - PHL Philadelphia
BOIPHL
Boise Air Term. Gowen Fld
Wed 2/10
4:05 pm-12:25 pm
3 stops18h 20m
Philadelphia
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$231
BoisePhiladelphia
BOI Boise Air Term. Gowen Fld - PHL Philadelphia
BOIPHL
Boise Air Term. Gowen Fld
Thu 10/22
6:49 pm-6:05 am
1 stop9h 16m
Philadelphia
Sat 10/24
5:45 am-12:35 pm
1 stop8h 50m
$311
BoisePhiladelphia
BOI Boise Air Term. Gowen Fld - PHL Philadelphia
BOIPHL
Boise Air Term. Gowen Fld
Fri 10/23
7:13 pm-5:44 am
1 stop8h 31m
Philadelphia
Tue 10/27
7:00 am-3:20 pm
1 stop10h 20m
$329
BoisePhiladelphia
BOI Boise Air Term. Gowen Fld - PHL Philadelphia
BOIPHL
Boise Air Term. Gowen Fld
Thu 11/5
5:59 pm-5:44 am
1 stop9h 45m
Philadelphia
Mon 11/9
5:35 am-12:33 pm
1 stop8h 58m
$331
Showing 1-10 of 18 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 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 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 32 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, August is the cheapest month in which you can book a flight from Boise to Philadelphia (average of $368). 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 $318 and $678 in October.The cheapest round-trip price found within the last 5 days was $291 on Multiple Airlines (Oct 26-Oct 28).
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 September 7, 2026.
Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, andDelta 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.
Entertainment
7.5
Crew
8.6
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Crew
8.6
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Crew
8.6
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Crew
8.6
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Crew
8.6
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Crew
8.6
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Related info for your journey
Find useful and relevant information for your journey from 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
Reading
King of Prussia
Camden
Wildwood Crest
Cherry Hill
Ocean City
Lewes
Plymouth Meeting
Wyomissing
Pottstown
Ephrata
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Vineland
Millville
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Top 5 airlines flying from Boise to Philadelphia
Discover the top 5 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 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$257 | Average$577 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$257 | Average$450 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$309 | Average$368 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$310 | Average$398 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$348 | Average$553 | FlexibilityNo cancel fee | On-time63% |