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$683+ Cheap flights from Springfield, IL (SPI) to Idaho

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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
SPI — BOI
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
1 adult, Economy
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Cheap flight deals from Springfield to Idaho

Keep the following information in mind while searching for Springfield to Idaho flight deals. Data was last updated julio 30, 2025.

Round-trip from

$683
(American Airlines)
From Springfield Capital to Idaho
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Find flight deals from Springfield to Idaho

Cheapest flights from Springfield to Idaho
Explore the most affordable flight options available from Springfield to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 30, 2025.

This American Airlines deal was found by Cheapflights users on 7/28. 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.
sáb. 9/64:40 pmSPI - GEG
2 stops22h 34mAmerican Airlines
mar. 9/96:00 amGEG - SPI
2 stops10h 00mAmerican Airlines
Deal found 7/28$683
This American Airlines deal was found by Cheapflights users on 7/30. 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.
jue. 8/141:07 pmSPI - IDA
2 stops24h 09mAmerican Airlines
lun. 8/187:00 amIDA - SPI
2 stops9h 54mAmerican Airlines
Deal found 7/30$1,047

Cheapflights Fare Finder

 
Customize your flight search to find flights from Springfield to Idaho 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 julio 30, 2025.
Use the filters below to find and compare flights from Springfield to Idaho that are best for you.

Fly from

Springfield

Fly to

Idaho

Route

Depart

Return

Price

SpringfieldSpokane

SPI - GEG

SPIGEG

Springfield Capital

sáb. 9/6

4:40 pm-1:14 pm

2 stops22h 34m

Spokane

mar. 9/9

6:00 am-6:00 pm

2 stops10h 00m

$683

SpringfieldIdaho Falls

SPI - IDA

SPIIDA

Springfield Capital

jue. 8/14

1:07 pm-12:16 pm

2 stops24h 09m

Idaho Falls Fanning Field

lun. 8/18

7:00 am-5:54 pm

2 stops9h 54m

$1,047

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Springfield to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho 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.

Cheapflights Insights

Everything you need to know about your flight from Springfield to Idaho

What is the cheapest month to book a flight from Springfield, Illinois to Idaho?

Currently, October is the cheapest month in which you can book a flight from Springfield, Illinois to Idaho (average of $314). Flying from Springfield, Illinois to Idaho in June is currently the most expensive (average of $398). 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.

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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. Reviews last updated julio 30, 2025.
Read reviews from past customers who have flown American Airlines from Springfield to Idaho. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Food

6.5

Boarding

7.5

Comfort

7.2

Crew

8.0

Overall

7.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Food

6.5

Boarding

7.5

Comfort

7.2

Crew

8.0

Overall

7.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break

Related info for your journey

Find useful and relevant information for your journey from Springfield to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Springfield to Idaho?

    Springfield Capital (SPI) is the airport you will fly out of if you book a flight from Springfield to Idaho. It is only a 3.4 mi journey to Capital (SPI) from Springfield’s city center.

  • What are the most popular routes from Springfield, Illinois to Idaho?

    The most popular flight routes from Springfield, Illinois to Idaho are Springfield Capital - Spokane, Springfield Capital - Idaho Falls Fanning Field and Springfield Capital - Jackson Hole.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Springfield to Idaho 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 Springfield, Illinois to Idaho?

    Currently, October is the cheapest month in which you can book a flight from Springfield, Illinois to Idaho (average of $314). Flying from Springfield, Illinois to Idaho in June is currently the most expensive (average of $398). 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

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Alternative routes for Springfield to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Springfield to Idaho

Discover the top airline that operate flights from Springfield to Idaho. 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 julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$427Average$792FlexibilityNo cancel feeOn-time71%

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