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Idaho Falls

$266+ Cheap flights from Peoria, IL to Idaho Falls (PIA - 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — IDA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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, 2025.

Round-trip from

$364
(United Airlines)

One-way from

$266
(American Airlines)
From Greater Peoria to Idaho Falls Fanning Field
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One-way flight from Greater Peoria to Idaho Falls Fanning Field
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Find flight deals from Peoria to Idaho Falls

Cheapest flights from Peoria to Idaho Falls
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, 2025.

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 9/2710:48 amPIA - IDA
2 stops11h 04mUnited Airlines
Wed 10/15:00 amIDA - PIA
2 stops10h 43mUnited Airlines
Deal found 9/10$364
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/276:00 amPIA - IDA
1 stop7h 24mAmerican Airlines
Wed 10/11:35 pmIDA - PIA
1 stop8h 48mAmerican Airlines
Deal found 9/9$590
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.
Tue 11/255:18 pmPIA - IDA
2 stops17h 30mUnited Airlines
Mon 12/14:15 pmIDA - PIA
2 stops18h 44mUnited Airlines
Deal found 9/9$617
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:40 amPIA - IDA
1 stop7h 47mAmerican Airlines
Mon 12/11:58 pmIDA - PIA
1 stop7h 46mAmerican Airlines
Deal found 9/9$659
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.
Sat 9/138:45 amPIA - IDA
1 stop26h 02mUnited Airlines
Wed 9/177:00 amIDA - PIA
2 stops14h 15mUnited Airlines
Deal found 9/9$767

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 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Peoria to Idaho Falls that are best for you.

Fly from

Peoria

Fly to

Idaho Falls

Route

Depart

Return

Price

PeoriaIdaho Falls

PIA - IDA

PIAIDA

Greater Peoria

Sat 9/27

10:48 am-8:52 pm

2 stops11h 04m

Idaho Falls Fanning Field

Wed 10/1

5:00 am-4:43 pm

2 stops10h 43m

$364

PeoriaIdaho Falls

PIA - IDA

PIAIDA

Greater Peoria

Sat 9/27

6:00 am-12:24 pm

1 stop7h 24m

Idaho Falls Fanning Field

Wed 10/1

1:35 pm-11:23 pm

1 stop8h 48m

$590

PeoriaIdaho Falls

PIA - IDA

PIAIDA

Greater Peoria

Tue 11/25

5:18 pm-9:48 am

2 stops17h 30m

Idaho Falls Fanning Field

Mon 12/1

4:15 pm-11:59 am

2 stops18h 44m

$617

PeoriaIdaho Falls

PIA - IDA

PIAIDA

Greater Peoria

Tue 11/25

6:40 am-1:27 pm

1 stop7h 47m

Idaho Falls Fanning Field

Mon 12/1

1:58 pm-10:44 pm

1 stop7h 46m

$659

PeoriaIdaho Falls

PIA - IDA

PIAIDA

Greater Peoria

Wed 10/15

6:01 am-12:24 pm

1 stop7h 23m

$266

PeoriaIdaho Falls

PIA - IDA

PIAIDA

Greater Peoria

Wed 10/15

8:22 pm-4:14 pm

3 stops44h 52m

$426

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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.
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.

  • How long is the flight from Peoria, Illinois to Idaho Falls?

    United Airlines can get you from Peoria, Illinois to Idaho Falls in just under 11h 04m. Your travel time can differ by up to . There are 1160 mi between Peoria, Illinois and Idaho Falls.

  • Can I find deals for flights from Peoria to Idaho Falls that include hotel bookings?

    Yes. In addition to deals on Peoria to Idaho Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Peoria to Idaho Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Peoria to Idaho Falls.

  • Can I find deals for business class flights from Peoria to Idaho Falls?

    Yes. Cheapflights offers flight deals from Peoria to Idaho Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Peoria, Illinois to Idaho Falls?

    Currently, October is the cheapest month in which you can book a flight from Peoria, Illinois to Idaho Falls (average of $380). Flying from Peoria, Illinois to Idaho Falls in December is currently the most expensive (average of $578). 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.

See more FAQs

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

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