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Springfield

$515+ Cheap flights from Idaho to Springfield, IL (SPI)

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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SPI
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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Cheap flight deals from Idaho to Springfield

Cheapest flights from Idaho to Springfield
Explore the most affordable flight options available from Idaho to Springfield. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This American Airlines deal was found by Cheapflights users on 2/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/241:30 pm
BOI
-
SPI
1 stop5h 15m
American Airlines
Sat 2/285:00 am
SPI
-
BOI
1 stop9h 00m
American Airlines
Deal found 2/8$515
This American Airlines deal was found by Cheapflights users on 2/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2412:25 pm
GEG
-
SPI
1 stop5h 20m
American Airlines
Sat 2/285:00 am
SPI
-
GEG
2 stops10h 48m
American Airlines
Deal found 2/8$683
This American Airlines deal was found by Cheapflights users on 2/9. 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.
Thu 3/191:31 pm
BOI
-
SPI
1 stop9h 01m
American Airlines
Sun 3/226:37 pm
SPI
-
BOI
1 stop19h 23m
American Airlines
Deal found 2/9$924
This American Airlines deal was found by Cheapflights users on 2/9. 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 2/1712:25 pm
GEG
-
SPI
1 stop5h 20m
American Airlines
Thu 2/195:00 am
SPI
-
GEG
1 stop8h 44m
American Airlines
Deal found 2/9$987

Find flight deals from Idaho to Springfield

Keep the following information in mind while searching for Idaho to Springfield flight deals. Data was last updated February 11, 2026.

Round-trip from

$515
(American Airlines)
From Idaho to Springfield Capital
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Springfield 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 February 11, 2026.
Use the filters below to find and compare flights from Idaho to Springfield that are best for you.

Fly from

Idaho

Fly to

Springfield

Route

Depart

Return

Price

BoiseSpringfield

BOI - SPI

BOISPI

Boise Air Term. Gowen Fld

Tue 2/24

1:30 pm-7:45 pm

1 stop5h 15m

Springfield Capital

Sat 2/28

5:00 am-1:00 pm

1 stop9h 00m

$515

SpokaneSpringfield

GEG - SPI

GEGSPI

Spokane

Tue 2/24

12:25 pm-7:45 pm

1 stop5h 20m

Springfield Capital

Sat 2/28

5:00 am-1:48 pm

2 stops10h 48m

$683

BoiseSpringfield

BOI - SPI

BOISPI

Boise Air Term. Gowen Fld

Thu 3/19

1:31 pm-11:32 pm

1 stop9h 01m

Springfield Capital

Sun 3/22

6:37 pm-1:00 pm

1 stop19h 23m

$924

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Best time to book a flight from Idaho to Springfield

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

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

Currently, April is the cheapest month in which you can book a flight from Idaho to Springfield, Illinois (average of $113). Flying from Idaho to Springfield, Illinois in December is currently the most expensive (average of $367). 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.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Springfield. 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 into for flights to Springfield from Idaho?

    If you book a flight to Springfield from Idaho, you will be flying to Capital, which is the city’s only airport. Springfield Capital (SPI) is located 3.4 mi from the center of Springfield.

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

    Departing from Idaho to Springfield, Illinois will take you 5h 15m. There are 1386 mi between Idaho and Springfield, Illinois.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Idaho to Springfield, Illinois (average of $113). Flying from Idaho to Springfield, Illinois in December is currently the most expensive (average of $367). 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 Springfield?

Book flights to Springfield if you plan to visit one of these locations
Lincoln

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