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Idaho Falls

$1,128+ Cheap flights from Springfield, IL to Idaho Falls (SPI - 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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
SPI — IDA
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Cheap flight deals from Springfield to Idaho Falls

Cheapest flights from Springfield to Idaho Falls
Explore the most affordable flight options available from Springfield to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.

This American Airlines deal was found by Cheapflights users on 7/25. 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.
Thu 12/176:02 am
SPI
-
IDA
2 stops17h 19m
American Airlines
Tue 12/297:03 am
IDA
-
SPI
2 stops16h 06m
American Airlines
Deal found 7/25$1,128
This American Airlines deal was found by Cheapflights users on 7/23. 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.
Thu 12/176:02 am
SPI
-
IDA
2 stops17h 19m
American Airlines
Mon 12/287:03 am
IDA
-
SPI
2 stops30h 26m
American Airlines
Deal found 7/23$1,140
This American Airlines deal was found by Cheapflights users on 7/23. 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 12/192:59 pm
SPI
-
IDA
2 stops32h 22m
American Airlines
Tue 12/297:03 am
IDA
-
SPI
2 stops16h 06m
American Airlines
Deal found 7/23$1,160
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Sat 12/192:59 pm
SPI
-
IDA
2 stops32h 22m
American Airlines
Mon 12/287:03 am
IDA
-
SPI
2 stops30h 26m
American Airlines
Deal found 7/25$1,183

Find flight deals from Springfield to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Springfield (SPI) 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 July 27, 2026.

Round-trip from

$1,128
(American Airlines)
From Springfield Capital to Idaho Falls Fanning Field
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Springfield 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 July 27, 2026.
Use the filters below to find and compare flights from Springfield to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SpringfieldIdaho Falls

SPI - IDA

SPIIDA

Springfield Capital

Thu 12/17

6:02 am-10:21 pm

2 stops17h 19m

Idaho Falls Fanning Field

Mon 12/28

7:03 am-2:29 pm

2 stops30h 26m

$1,140

SpringfieldIdaho Falls

SPI - IDA

SPIIDA

Springfield Capital

Sat 12/19

2:59 pm-10:21 pm

2 stops32h 22m

Idaho Falls Fanning Field

Tue 12/29

7:03 am-12:09 am

2 stops16h 06m

$1,160

SpringfieldIdaho Falls

SPI - IDA

SPIIDA

Springfield Capital

Thu 12/17

2:59 pm-10:21 pm

2 stops32h 22m

Idaho Falls Fanning Field

Tue 12/29

7:03 am-12:09 am

2 stops16h 06m

$1,163

SpringfieldIdaho Falls

SPI - IDA

SPIIDA

Springfield Capital

Sat 12/19

2:59 pm-10:21 pm

2 stops32h 22m

Idaho Falls Fanning Field

Mon 12/28

7:03 am-2:29 pm

2 stops30h 26m

$1,183

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Sorted by cheapest first

Best time to book a flight from Springfield to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Springfield 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 Springfield 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 Springfield, Illinois to Idaho Falls?

    Departing from Springfield, Illinois to Idaho Falls will take you 17h 19m. Springfield, Illinois and Idaho Falls are separated by a distance of 1178 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Springfield 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.

See more FAQs

Traveling to a place near Idaho Falls?

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Rexburg

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