$429+ Cheap flights from Peoria, IL to Idaho Falls (PIA - IDA)
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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — IDA
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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Find cheap flights from Peoria to Idaho Falls 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 Peoria to Idaho Falls
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Cheapest flights from Peoria to Idaho FallsExplore the most affordable flight options available from Peoria to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
Explore the most affordable flight options available from Peoria to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/49:24 pm -
1 stop21h 16m
Mon 10/129:33 pm -
2 stops38h 26m
Deal found 9/10![Multiple Airlines logo]()
$566
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/36:00 am -
1 stop8h 28m
Sat 10/106:18 am -
1 stop8h 35m
Deal found 9/10![American Airlines logo]()
$571
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/36:15 am -
2 stops10h 09m
Sat 10/104:05 pm -
2 stops17h 01m
Deal found 9/10![United Airlines logo]()
$579
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sat 10/312:49 pm -
1 stop21h 23m
Mon 10/129:33 pm -
2 stops38h 26m
Deal found 9/10![Multiple Airlines logo]()
$580
This United Airlines deal was found by Cheapflights users on 9/9. 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 11/68:41 am -
1 stop5h 47m
Tue 11/1010:35 am -
2 stops11h 38m
Deal found 9/9![United Airlines logo]()
$594
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/36:15 am -
2 stops10h 09m
Fri 10/95:51 pm -
1 stop26h 00m
Deal found 9/10![United Airlines logo]()
$612
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/36:15 am -
2 stops10h 09m
Tue 10/1310:35 am -
2 stops11h 23m
Deal found 9/10![United Airlines logo]()
$618
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/36:00 am -
1 stop8h 28m
Mon 10/121:39 pm -
1 stop8h 44m
Deal found 9/10![American Airlines logo]()
$620
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/36:00 am -
1 stop8h 28m
Tue 10/136:37 am -
1 stop8h 16m
Deal found 9/10![American Airlines logo]()
$637
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/49:24 pm -
1 stop21h 16m
Mon 10/126:30 pm -
1 stop18h 59m
Deal found 9/10![Allegiant Air logo]()
$648
Best flights from Peoria to Idaho FallsDiscover carefully curated flight deals from Peoria to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Peoria to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
This United Airlines deal was found by Cheapflights users on 9/8. 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 1/305:00 am -
3 stops17h 08m
Wed 2/32:35 pm -
1 stop5h 12m
Deal found 9/8![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 9/10. 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 1/265:00 am -
3 stops17h 08m
Sat 1/302:35 pm -
1 stop5h 12m
Deal found 9/10![United Airlines logo]()
$479
Last-minute flights from Peoria to Idaho FallsDiscover last-minute flight deals from Peoria to Idaho Falls. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Peoria to Idaho Falls. Data last updated September 11, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/36:00 am -
1 stop8h 28m
Sat 10/106:18 am -
1 stop8h 35m
Deal found 9/10![American Airlines logo]()
$571
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/36:15 am -
2 stops10h 09m
Sat 10/104:05 pm -
2 stops17h 01m
Deal found 9/10![United Airlines logo]()
$579
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sat 10/312:49 pm -
1 stop21h 23m
Mon 10/129:33 pm -
2 stops38h 26m
Deal found 9/10![Multiple Airlines logo]()
$580
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/36:15 am -
2 stops10h 09m
Fri 10/95:51 pm -
1 stop26h 00m
Deal found 9/10![United Airlines logo]()
$612
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/36:15 am -
2 stops10h 09m
Tue 10/1310:35 am -
2 stops11h 23m
Deal found 9/10![United Airlines logo]()
$618
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/36:00 am -
1 stop8h 28m
Mon 10/121:39 pm -
1 stop8h 44m
Deal found 9/10![American Airlines logo]()
$620
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/36:00 am -
1 stop8h 28m
Tue 10/136:37 am -
1 stop8h 16m
Deal found 9/10![American Airlines logo]()
$637
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/49:24 pm -
1 stop21h 16m
Mon 10/129:33 pm -
2 stops38h 26m
Deal found 9/10![Multiple Airlines logo]()
$566
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/49:24 pm -
1 stop21h 16m
Mon 10/126:30 pm -
1 stop18h 59m
Deal found 9/10![Allegiant Air logo]()
$648
Find flight deals from Peoria to Idaho Falls
Discover tips and strategies to find the most affordable flight options for your journey from Peoria (PIA) 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 September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $429 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Peoria 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 7,457,451 searches. Data last updated September 11, 2026.
Use the filters below to find and compare flights from Peoria to Idaho Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
PeoriaIdaho Falls
PIA Greater Peoria - IDA Idaho Falls Fanning Field
PIAIDA
Greater Peoria
Sat 1/30
5:00 am-9:08 pm
3 stops17h 08m
Idaho Falls Fanning Field
Wed 2/3
2:35 pm-8:47 pm
1 stop5h 12m
$429
PeoriaIdaho Falls
PIA Greater Peoria - IDA Idaho Falls Fanning Field
PIAIDA
Greater Peoria
Tue 1/26
5:00 am-9:08 pm
3 stops17h 08m
Idaho Falls Fanning Field
Sat 1/30
2:35 pm-8:47 pm
1 stop5h 12m
$479
Sorted by cheapest first
Compare providers for flights from Peoria 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 Peoria to Idaho Falls 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 Peoria, Illinois-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Peoria, Illinois-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Peoria, Illinois-Idaho Falls flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Peoria, Illinois-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 Peoria, Illinois-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 Peoria to Idaho Falls
Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Peoria with our price prediction graph.
PIA-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.
Related info for your journey
Find useful and relevant information for your journey from Peoria to Idaho Falls. 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 Idaho Falls?
Book flights to Idaho Falls if you plan to visit one of these locationsRexburg
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