$223+ Cheap flights from Philadelphia to Idaho Falls (PHL - IDA)
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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — IDA
May 27 — Jun 31
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia to Idaho Falls 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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Cheapest flights from Philadelphia to Idaho FallsExplore the most affordable flight options available from Philadelphia to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 27, 2026.
Explore the most affordable flight options available from Philadelphia to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 27, 2026.
This Expedia deal was found by Cheapflights users on 4/26. 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 5/267:00 am
PHL
- IDA
1 stop10h 26m
Alaska Airlines
Tue 6/21:54 pm
IDA
- PHL
1 stop13h 41m
Alaska Airlines
Deal found 4/26![Alaska Airlines logo]()
$349
This Travelocity deal was found by Cheapflights users on 4/24. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:00 am
PHL
- IDA
1 stop10h 37m
Alaska Airlines
Tue 9/294:14 pm
IDA
- PHL
1 stop21h 30m
Alaska Airlines
Deal found 4/24![Alaska Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:00 am
PHL
- IDA
1 stop7h 29m
United Airlines
Sat 10/2410:35 am
IDA
- PHL
2 stops12h 02m
United Airlines
Deal found 4/22![United Airlines logo]()
$403
This American Airlines deal was found by Cheapflights users on 4/25. 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 8/195:00 am
PHL
- IDA
1 stop8h 30m
American Airlines
Tue 8/2512:10 pm
IDA
- PHL
1 stop8h 12m
American Airlines
Deal found 4/25![American Airlines logo]()
$410
This Delta deal was found by Cheapflights users on 4/26. 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 5/2912:38 pm
PHL
- IDA
2 stops12h 04m
Delta
Fri 6/56:54 pm
IDA
- PHL
1 stop9h 16m
Delta
Deal found 4/26![Delta logo]()
$434
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Fri 5/88:00 am
PHL
- IDA
1 stop9h 43m
United Airlines
Tue 5/122:31 pm
IDA
- PHL
1 stop7h 12m
United Airlines
Deal found 4/23![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 4/23. 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.
Fri 6/53:44 pm
PHL
- IDA
2 stops8h 58m
Delta
Wed 6/107:07 pm
IDA
- PHL
2 stops11h 37m
Delta
Deal found 4/23![Delta logo]()
$440
This American Airlines deal was found by Cheapflights users on 4/27. 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 9/96:00 am
PHL
- IDA
1 stop8h 12m
American Airlines
Wed 9/232:20 pm
IDA
- PHL
1 stop7h 59m
American Airlines
Deal found 4/27![American Airlines logo]()
$444
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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.
Sat 8/224:44 pm
PHL
- IDA
1 stop22h 22m
Alaska Airlines
Fri 8/284:14 pm
IDA
- PHL
1 stop21h 30m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 4/24. 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 5/93:58 pm
PHL
- IDA
1 stop9h 41m
American Airlines
Wed 5/137:48 am
IDA
- PHL
1 stop10h 13m
American Airlines
Deal found 4/24![American Airlines logo]()
$459
Best flights from Philadelphia to Idaho FallsDiscover carefully curated flight deals from Philadelphia to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 27, 2026.
Discover carefully curated flight deals from Philadelphia to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 27, 2026.
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Fri 5/88:00 am
PHL
- IDA
1 stop9h 43m
United Airlines
Tue 5/122:31 pm
IDA
- PHL
1 stop7h 12m
United Airlines
Deal found 4/23![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 4/23. 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.
Fri 6/53:44 pm
PHL
- IDA
2 stops8h 58m
Delta
Wed 6/107:07 pm
IDA
- PHL
2 stops11h 37m
Delta
Deal found 4/23![Delta logo]()
$440
This American Airlines deal was found by Cheapflights users on 4/24. 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 5/93:58 pm
PHL
- IDA
1 stop9h 41m
American Airlines
Wed 5/137:48 am
IDA
- PHL
1 stop10h 13m
American Airlines
Deal found 4/24![American Airlines logo]()
$459
This Expedia deal was found by Cheapflights users on 4/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/54:45 pm
PHL
- IDA
1 stop22h 32m
Alaska Airlines
Wed 6/104:14 pm
IDA
- PHL
1 stop21h 09m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 4/26. 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 6/85:40 am
PHL
- IDA
2 stops10h 57m
Delta
Mon 6/157:00 pm
IDA
- PHL
1 stop9h 08m
Delta
Deal found 4/26![Delta logo]()
$470
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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 6/37:00 am
PHL
- IDA
1 stop10h 26m
Alaska Airlines
Mon 6/84:03 pm
IDA
- PHL
2 stops11h 32m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$561
This American Airlines deal was found by Cheapflights users on 4/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/612:07 pm
PHL
- IDA
2 stops12h 08m
American Airlines
Wed 6/102:14 pm
IDA
- PHL
1 stop8h 22m
American Airlines
Deal found 4/23![American Airlines logo]()
$564
This Delta deal was found by Cheapflights users on 4/25. 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 6/77:23 am
PHL
- IDA
1 stop9h 14m
Delta
Mon 6/157:00 pm
IDA
- PHL
1 stop9h 08m
Delta
Deal found 4/25![Delta logo]()
$564
This American Airlines deal was found by Cheapflights users on 4/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/83:20 pm
PHL
- IDA
2 stops10h 19m
American Airlines
Tue 5/127:48 am
IDA
- PHL
2 stops14h 23m
American Airlines
Deal found 4/23![American Airlines logo]()
$569
This Delta deal was found by Cheapflights users on 4/26. 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 5/2912:38 pm
PHL
- IDA
2 stops12h 04m
Delta
Fri 6/56:00 am
IDA
- PHL
2 stops11h 27m
Delta
Deal found 4/26![Delta logo]()
$569
Last-minute flights from Philadelphia to Idaho FallsDiscover last-minute flight deals from Philadelphia to Idaho Falls. Data last updated April 27, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Idaho Falls. Data last updated April 27, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 4/24. 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 5/46:58 pm
PHL
- IDA
1 stop22h 31m
Alaska Airlines
Wed 5/66:00 am
IDA
- PHL
1 stop9h 58m
Alaska Airlines
Deal found 4/24![Alaska Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Fri 5/88:00 am
PHL
- IDA
1 stop9h 43m
United Airlines
Tue 5/122:31 pm
IDA
- PHL
1 stop7h 12m
United Airlines
Deal found 4/23![United Airlines logo]()
$439
This American Airlines deal was found by Cheapflights users on 4/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/83:58 pm
PHL
- IDA
1 stop9h 41m
American Airlines
Tue 5/127:48 am
IDA
- PHL
2 stops12h 59m
American Airlines
Deal found 4/23![American Airlines logo]()
$535
This American Airlines deal was found by Cheapflights users on 4/24. 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 5/93:58 pm
PHL
- IDA
1 stop9h 41m
American Airlines
Wed 5/137:48 am
IDA
- PHL
1 stop10h 13m
American Airlines
Deal found 4/24![American Airlines logo]()
$459
This Expedia deal was found by Cheapflights users on 4/26. 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 5/267:00 am
PHL
- IDA
1 stop10h 26m
Alaska Airlines
Tue 6/21:54 pm
IDA
- PHL
1 stop13h 41m
Alaska Airlines
Deal found 4/26![Alaska Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 4/26. 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 5/2611:38 am
PHL
- IDA
2 stops11h 29m
United Airlines
Tue 6/22:30 pm
IDA
- PHL
2 stops8h 15m
United Airlines
Deal found 4/26![United Airlines logo]()
$548
This Expedia deal was found by Cheapflights users on 4/26. 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.
Wed 5/277:16 pm
PHL
- IDA
1 stop22h 10m
Alaska Airlines
Sun 5/314:03 pm
IDA
- PHL
1 stop21h 42m
Alaska Airlines
Deal found 4/26![Alaska Airlines logo]()
$514
This Delta deal was found by Cheapflights users on 4/26. 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 5/2912:38 pm
PHL
- IDA
2 stops12h 04m
Delta
Fri 6/56:54 pm
IDA
- PHL
1 stop9h 16m
Delta
Deal found 4/26![Delta logo]()
$434
One-way flights from Philadelphia to Idaho FallsSearch for one-way flight options from Philadelphia to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated April 27, 2026.
Search for one-way flight options from Philadelphia to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated April 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 7/35:38 pm
PHL
- IDA
2 stops41h 17m
Allegiant Air
Deal found 4/24![Allegiant Air logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Fri 6/124:24 pm
PHL
- IDA
2 stops42h 31m
Allegiant Air
Deal found 4/23![Allegiant Air logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:26 pm
PHL
- IDA
3 stops46h 34m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$294
This American Airlines deal was found by Cheapflights users on 4/25. 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 7/17:36 am
PHL
- IDA
1 stop8h 04m
American Airlines
Deal found 4/25![American Airlines logo]()
$310
This Alaska Airlines deal was found by Cheapflights users on 4/24. 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 7/34:26 pm
PHL
- IDA
1 stop25h 11m
Alaska Airlines
Deal found 4/24![Alaska Airlines logo]()
$357
This American Airlines deal was found by Cheapflights users on 4/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/125:00 am
PHL
- IDA
1 stop9h 14m
American Airlines
Deal found 4/23![American Airlines logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 7/312:06 pm
PHL
- IDA
3 stops46h 49m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Fri 6/125:26 am
PHL
- IDA
3 stops18h 40m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$416
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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 7/25:46 pm
PHL
- IDA
1 stop21h 20m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$506
This United Airlines deal was found by Cheapflights users on 4/25. 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 7/110:00 am
PHL
- IDA
1 stop9h 19m
United Airlines
Deal found 4/25![United Airlines logo]()
$510
This United Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/21:31 pm
PHL
- IDA
2 stops9h 36m
United Airlines
Deal found 4/25![United Airlines logo]()
$515
Find flight deals from Philadelphia to Idaho Falls
Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Idaho Falls (IDA). 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 April 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $349 (Expedia) |
One-way from | $223 (Kiwi.com) |
Popular in | October |
Cheapest in | May |
Average price | $497 |
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia to Idaho Falls 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 April 27, 2026.
Use the filters below to find and compare flights from Philadelphia to Idaho Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
PhiladelphiaIdaho Falls
PHL - IDA
PHLIDA
Philadelphia
Fri 5/8
8:00 am-3:43 pm
1 stop9h 43m
Idaho Falls Fanning Field
Tue 5/12
2:31 pm-11:43 pm
1 stop7h 12m
$439
PhiladelphiaIdaho Falls
PHL - IDA
PHLIDA
Philadelphia
Fri 6/5
3:44 pm-10:42 pm
2 stops8h 58m
Idaho Falls Fanning Field
Wed 6/10
7:07 pm-8:44 am
2 stops11h 37m
$440
PhiladelphiaIdaho Falls
PHL - IDA
PHLIDA
Philadelphia
Sat 5/9
3:58 pm-11:39 pm
1 stop9h 41m
Idaho Falls Fanning Field
Wed 5/13
7:48 am-8:01 pm
1 stop10h 13m
$459
PhiladelphiaIdaho Falls
PHL - IDA
PHLIDA
Philadelphia
Fri 6/5
4:45 pm-1:17 pm
1 stop22h 32m
Idaho Falls Fanning Field
Wed 6/10
4:14 pm-3:23 pm
1 stop21h 09m
$459
PhiladelphiaIdaho Falls
PHL - IDA
PHLIDA
Philadelphia
Mon 6/8
5:40 am-2:37 pm
2 stops10h 57m
Idaho Falls Fanning Field
Mon 6/15
7:00 pm-6:08 am
1 stop9h 08m
$470
PhiladelphiaIdaho Falls
PHL - IDA
PHLIDA
Philadelphia
Wed 6/3
7:00 am-3:26 pm
1 stop10h 26m
Idaho Falls Fanning Field
Mon 6/8
4:03 pm-5:35 am
2 stops11h 32m
$561
PhiladelphiaIdaho Falls
PHL - IDA
PHLIDA
Philadelphia
Sat 6/6
12:07 pm-10:15 pm
2 stops12h 08m
Idaho Falls Fanning Field
Wed 6/10
2:14 pm-12:36 am
1 stop8h 22m
$564
PhiladelphiaIdaho Falls
PHL - IDA
PHLIDA
Philadelphia
Sun 6/7
7:23 am-2:37 pm
1 stop9h 14m
Idaho Falls Fanning Field
Mon 6/15
7:00 pm-6:08 am
1 stop9h 08m
$564
PhiladelphiaIdaho Falls
PHL - IDA
PHLIDA
Philadelphia
Fri 5/8
3:20 pm-11:39 pm
2 stops10h 19m
Idaho Falls Fanning Field
Tue 5/12
7:48 am-12:11 am
2 stops14h 23m
$569
PhiladelphiaIdaho Falls
PHL - IDA
PHLIDA
Philadelphia
Fri 5/29
12:38 pm-10:42 pm
2 stops12h 04m
Idaho Falls Fanning Field
Fri 6/5
6:00 am-7:27 pm
2 stops11h 27m
$569
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Philadelphia to Idaho Falls
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Idaho Falls in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Philadelphia-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Idaho Falls flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Philadelphia-Idaho Falls flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Idaho Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Philadelphia to Idaho Falls
Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Philadelphia with our price prediction graph.
PHL-IDA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Philadelphia to Idaho Falls
What is the cheapest month to book a flight from Philadelphia to Idaho Falls?
Currently, May is the cheapest month in which you can book a flight from Philadelphia to Idaho Falls (average of $379). Flying from Philadelphia to Idaho Falls in October is currently the most expensive (average of $665). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Philadelphia to Idaho Falls?
Reviews of airlines servicing Idaho Falls
Get insights into the airlines that provide service to Idaho Falls. 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 Idaho Falls. Reviews last updated April 27, 2026.
Read through reviews of airlines operating flights from Philadelphia to Idaho Falls, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Entertainment
7.8
Comfort
7.9
Food
7.2
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Entertainment
7.8
Comfort
7.9
Food
7.2
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Entertainment
7.8
Comfort
7.9
Food
7.2
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Entertainment
7.8
Comfort
7.9
Food
7.2
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
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Traveling to a place near Idaho Falls?
Book flights to Idaho Falls if you plan to visit one of these locationsRexburg
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Other flights to Idaho Falls
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Philadelphia and Idaho Falls flights
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Top 3 airlines flying from Philadelphia to Idaho Falls
Discover the top 3 airlines that operate flights from Philadelphia to Idaho Falls. 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 April 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$324 | Average$508 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$379 | Average$618 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$398 | Average$550 | FlexibilityNo cancel fee | On-time71% |