$174+ Cheap flights from Idaho Falls to Philadelphia (IDA - 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — PHL
Aug 16 — Aug 231
Round-trip
1 adult, Economy
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Find cheap flights from Idaho Falls 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Idaho Falls to Philadelphia
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Best
Last-minute
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Cheapest flights from Idaho Falls to PhiladelphiaExplore the most affordable flight options available from Idaho Falls to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 17, 2026.
Explore the most affordable flight options available from Idaho Falls to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 17, 2026.
This Delta deal was found by Cheapflights users on 7/17. 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 8/167:00 pm
IDA
- PHL
1 stop9h 05m
Delta
Mon 8/247:20 am
PHL
- IDA
1 stop9h 15m
Delta
Deal found 7/17![Delta logo]()
$349
This American Airlines deal was found by Cheapflights users on 7/15. 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 8/62:20 pm
IDA
- PHL
1 stop7h 59m
American Airlines
Fri 8/143:06 pm
PHL
- IDA
1 stop8h 14m
American Airlines
Deal found 7/15![American Airlines logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 7/14. 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 9/236:18 am
IDA
- PHL
1 stop9h 38m
Alaska Airlines
Sat 9/267:00 am
PHL
- IDA
1 stop10h 20m
Alaska Airlines
Deal found 7/14![Alaska Airlines logo]()
$419
This American Airlines deal was found by Cheapflights users on 7/17. 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 10/141:50 pm
IDA
- PHL
1 stop7h 02m
American Airlines
Mon 10/199:02 pm
PHL
- IDA
1 stop18h 18m
American Airlines
Deal found 7/17![American Airlines logo]()
$450
This American Airlines deal was found by Cheapflights users on 7/13. 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 10/21:58 pm
IDA
- PHL
1 stop6h 51m
American Airlines
Mon 10/59:02 pm
PHL
- IDA
1 stop18h 18m
American Airlines
Deal found 7/13![American Airlines logo]()
$458
This Alaska Airlines deal was found by Cheapflights users on 7/12. 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 9/306:18 am
IDA
- PHL
1 stop21h 22m
Alaska Airlines
Sat 10/37:00 am
PHL
- IDA
1 stop10h 35m
Alaska Airlines
Deal found 7/12![Alaska Airlines logo]()
$507
This Delta deal was found by Cheapflights users on 7/17. 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 7/247:00 pm
IDA
- PHL
1 stop9h 15m
Delta
Tue 7/287:30 am
PHL
- IDA
1 stop9h 06m
Delta
Deal found 7/17![Delta logo]()
$509
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 8/1010:54 pm
IDA
- PHL
1 stop29h 06m
Multiple Airlines
Mon 8/177:20 am
PHL
- IDA
2 stops16h 44m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$512
Best flights from Idaho Falls to PhiladelphiaDiscover carefully curated flight deals from Idaho Falls to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 17, 2026.
Discover carefully curated flight deals from Idaho Falls to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 17, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/14. 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 9/236:18 am
IDA
- PHL
1 stop9h 38m
Alaska Airlines
Sat 9/267:00 am
PHL
- IDA
1 stop10h 20m
Alaska Airlines
Deal found 7/14![Alaska Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 7/17. 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 8/167:00 pm
IDA
- PHL
1 stop9h 05m
Delta
Mon 8/245:45 am
PHL
- IDA
2 stops10h 50m
Delta
Deal found 7/17![Delta logo]()
$499
This American Airlines deal was found by Cheapflights users on 7/15. 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 8/62:20 pm
IDA
- PHL
1 stop7h 59m
American Airlines
Fri 8/1412:04 pm
PHL
- IDA
2 stops11h 16m
American Airlines
Deal found 7/15![American Airlines logo]()
$545
This United Airlines deal was found by Cheapflights users on 7/13. 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 8/52:30 pm
IDA
- PHL
1 stop7h 00m
United Airlines
Fri 8/148:20 am
PHL
- IDA
2 stops10h 56m
United Airlines
Deal found 7/13![United Airlines logo]()
$558
This Alaska Airlines deal was found by Cheapflights users on 7/12. 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 9/303:57 pm
IDA
- PHL
2 stops11h 43m
Alaska Airlines
Sat 10/37:00 am
PHL
- IDA
1 stop10h 35m
Alaska Airlines
Deal found 7/12![Alaska Airlines logo]()
$506
This United Airlines deal was found by Cheapflights users on 7/13. 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 8/72:30 pm
IDA
- PHL
2 stops8h 27m
United Airlines
Fri 8/148:20 am
PHL
- IDA
2 stops10h 56m
United Airlines
Deal found 7/13![United Airlines logo]()
$563
This Alaska Airlines deal was found by Cheapflights users on 7/16. 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 10/23:57 pm
IDA
- PHL
2 stops23h 42m
Alaska Airlines
Mon 10/56:39 pm
PHL
- IDA
1 stop22h 56m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$516
Last-minute flights from Idaho Falls to PhiladelphiaDiscover last-minute flight deals from Idaho Falls to Philadelphia. Data last updated July 17, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho Falls to Philadelphia. Data last updated July 17, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/16. 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 7/221:53 pm
IDA
- PHL
1 stop8h 42m
American Airlines
Sat 9/127:00 am
PHL
- IDA
1 stop8h 28m
American Airlines
Deal found 7/16![American Airlines logo]()
$523
This Delta deal was found by Cheapflights users on 7/17. 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 7/247:00 pm
IDA
- PHL
1 stop9h 15m
Delta
Tue 7/287:30 am
PHL
- IDA
1 stop9h 06m
Delta
Deal found 7/17![Delta logo]()
$509
This American Airlines deal was found by Cheapflights users on 7/13. 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 8/51:43 pm
IDA
- PHL
1 stop8h 16m
American Airlines
Fri 8/143:06 pm
PHL
- IDA
1 stop8h 14m
American Airlines
Deal found 7/13![American Airlines logo]()
$535
This American Airlines deal was found by Cheapflights users on 7/15. 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 8/62:20 pm
IDA
- PHL
1 stop7h 59m
American Airlines
Fri 8/143:06 pm
PHL
- IDA
1 stop8h 14m
American Airlines
Deal found 7/15![American Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 7/13. 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 8/72:30 pm
IDA
- PHL
2 stops8h 27m
United Airlines
Fri 8/148:00 am
PHL
- IDA
1 stop7h 29m
United Airlines
Deal found 7/13![United Airlines logo]()
$547
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 8/1010:54 pm
IDA
- PHL
1 stop29h 06m
Multiple Airlines
Mon 8/177:20 am
PHL
- IDA
2 stops16h 44m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$512
This Delta deal was found by Cheapflights users on 7/17. 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 8/167:00 pm
IDA
- PHL
1 stop9h 05m
Delta
Mon 8/247:20 am
PHL
- IDA
1 stop9h 15m
Delta
Deal found 7/17![Delta logo]()
$349
One-way flights from Idaho Falls to PhiladelphiaSearch for one-way flight options from Idaho Falls to Philadelphia. Find affordable one-way fares based on user searches. Data last updated July 17, 2026.
Search for one-way flight options from Idaho Falls to Philadelphia. Find affordable one-way fares based on user searches. Data last updated July 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 9/286:21 pm
IDA
- PHL
3 stops45h 54m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$174
This Alaska Airlines deal was found by Cheapflights users on 7/13. 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 9/283:57 pm
IDA
- PHL
1 stop21h 48m
Alaska Airlines
Deal found 7/13![Alaska Airlines logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 7/13. 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.
Fri 8/710:54 pm
IDA
- PHL
3 stops30h 21m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$208
This Alaska Airlines deal was found by Cheapflights users on 7/17. 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.
Thu 9/243:57 pm
IDA
- PHL
1 stop21h 48m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 9/248:20 pm
IDA
- PHL
3 stops43h 55m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$241
This Delta deal was found by Cheapflights users on 7/13. 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 9/136:57 pm
IDA
- PHL
1 stop9h 08m
Delta
Deal found 7/13![Delta logo]()
$288
This Delta deal was found by Cheapflights users on 7/13. 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 9/146:57 pm
IDA
- PHL
1 stop9h 08m
Delta
Deal found 7/13![Delta logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 9/138:20 pm
IDA
- PHL
3 stops43h 55m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$322
Find flight deals from Idaho Falls to Philadelphia
Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) 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 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $349 (Delta) |
One-way from | $174 (Kiwi.com) |
Popular in | December |
Cheapest in | April |
Average price | $634 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho Falls 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 17, 2026.
Use the filters below to find and compare flights from Idaho Falls to Philadelphia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Idaho FallsPhiladelphia
IDA - PHL
IDAPHL
Idaho Falls Fanning Field
Wed 9/23
6:18 am-5:56 pm
1 stop9h 38m
Philadelphia
Sat 9/26
7:00 am-3:20 pm
1 stop10h 20m
$419
Idaho FallsPhiladelphia
IDA - PHL
IDAPHL
Idaho Falls Fanning Field
Sun 8/16
7:00 pm-6:05 am
1 stop9h 05m
Philadelphia
Mon 8/24
5:45 am-2:35 pm
2 stops10h 50m
$499
Idaho FallsPhiladelphia
IDA - PHL
IDAPHL
Idaho Falls Fanning Field
Wed 9/30
3:57 pm-5:40 am
2 stops11h 43m
Philadelphia
Sat 10/3
7:00 am-3:35 pm
1 stop10h 35m
$506
Idaho FallsPhiladelphia
IDA - PHL
IDAPHL
Idaho Falls Fanning Field
Fri 10/2
3:57 pm-5:39 pm
2 stops23h 42m
Philadelphia
Mon 10/5
6:39 pm-3:35 pm
1 stop22h 56m
$516
Idaho FallsPhiladelphia
IDA - PHL
IDAPHL
Idaho Falls Fanning Field
Thu 8/6
2:20 pm-12:19 am
1 stop7h 59m
Philadelphia
Fri 8/14
12:04 pm-9:20 pm
2 stops11h 16m
$545
Quickest round-trip
Idaho FallsPhiladelphia
IDA - PHL
IDAPHL
Idaho Falls Fanning Field
Wed 8/5
2:30 pm-11:30 pm
1 stop7h 00m
Philadelphia
Fri 8/14
8:20 am-5:16 pm
2 stops10h 56m
$558
Idaho FallsPhiladelphia
IDA - PHL
IDAPHL
Idaho Falls Fanning Field
Fri 8/7
2:30 pm-12:57 am
2 stops8h 27m
Philadelphia
Fri 8/14
8:20 am-5:16 pm
2 stops10h 56m
$563
Cheapest one-way
Idaho FallsPhiladelphia
IDA - PHL
IDAPHL
Idaho Falls Fanning Field
Fri 8/7
10:54 pm-7:15 am
3 stops30h 21m
$208
Idaho FallsPhiladelphia
IDA - PHL
IDAPHL
Idaho Falls Fanning Field
Thu 9/24
3:57 pm-3:45 pm
1 stop21h 48m
$215
Idaho FallsPhiladelphia
IDA - PHL
IDAPHL
Idaho Falls Fanning Field
Sat 9/26
2:01 pm-5:40 am
1 stop13h 39m
$215
Showing 1-10 of 16 resultsSorted by cheapest first
Compare providers for flights from Idaho Falls 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 Idaho Falls 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 Idaho Falls-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-Philadelphia flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Idaho Falls-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 Idaho Falls-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 Idaho Falls to Philadelphia
Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Idaho Falls with our price prediction graph.
IDA-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 Idaho Falls 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 July 17, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Idaho Falls to Philadelphia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Boarding
8.1
Crew
8.5
Overall
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Crew
8.5
Overall
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Crew
8.5
Overall
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Crew
8.5
Overall
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Idaho Falls 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
Dewey Beach
Wildwood Crest
Pottstown
Ephrata
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
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Idaho Falls and Philadelphia flights
Browse other Idaho Falls and Philadelphia flight options. Last updated on July 17, 2026.
Other flights from Idaho Falls
Browse through other flights departing from Idaho Falls. Flights are based on user searches made on Cheapflights and were last updated on July 17, 2026.
Other flights to Philadelphia
Explore flights to Philadelphia departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Idaho Falls to Philadelphia
Discover the top 3 airlines that operate flights from Idaho Falls 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 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$354 | Average$419 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$418 | Average$1,149 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$475 | Average$634 | FlexibilityNo cancel fee | On-time71% |