$459 Cheap Flights from Springfield (SPI) to Boise (BOI)

View $459 flight on Mon, Dec 22, 2025Opens in a new window

Popular airlines from Springfield, IL (SPI-Abraham Lincoln Capital) to Boise Airport (BOI)

Cheap Flights from Springfield to Boise (SPI-BOI)

Prices were available within the past 7 days and start at $459 for one-way flights and $717 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, Dec 21 - Thu, Dec 25
SPI
Springfield
BOI
Boise
$717 Roundtrip, found 5 days ago
$717
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sun, Dec 21 from Springfield to Boise, returning Thu, Dec 25, priced at $717 found 5 days ago
American Airlines
Mon, Dec 22 - Fri, Dec 26
SPI
Springfield
BOI
Boise
$752 Roundtrip, found 2 days ago
$752
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Dec 22 from Springfield to Boise, returning Fri, Dec 26, priced at $752 found 2 days ago
American Airlines
Sun, Dec 21 - Sun, Dec 28
SPI
Springfield
BOI
Boise
$763 Roundtrip, found 5 days ago
$763
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sun, Dec 21 from Springfield to Boise, returning Sun, Dec 28, priced at $763 found 5 days ago
American Airlines
Mon, Dec 22 - Fri, Dec 26
SPI
Springfield
BOI
Boise
$792 Roundtrip, found 2 days ago
$792
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Dec 22 from Springfield to Boise, returning Fri, Dec 26, priced at $792 found 2 days ago
American Airlines
Mon, Dec 22 - Fri, Dec 26
SPI
Springfield
BOI
Boise
$799 Roundtrip, found 2 days ago
$799
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Dec 22 from Springfield to Boise, returning Fri, Dec 26, priced at $799 found 2 days ago
American Airlines
Mon, Dec 22 - Fri, Dec 26
SPI
Springfield
BOI
Boise
$802 Roundtrip, found 2 days ago
$802
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Dec 22 from Springfield to Boise, returning Fri, Dec 26, priced at $802 found 2 days ago
American Airlines
Mon, Dec 22 - Fri, Dec 26
SPI
Springfield
BOI
Boise
$822 Roundtrip, found 3 days ago
$822
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Dec 22 from Springfield to Boise, returning Fri, Dec 26, priced at $822 found 3 days ago
American Airlines
Fri, Dec 19 - Sun, Dec 28
SPI
Springfield
BOI
Boise
$838 Roundtrip, found 5 days ago
$838
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Dec 19 from Springfield to Boise, returning Sun, Dec 28, priced at $838 found 5 days ago
American Airlines
Sat, Dec 20 - Thu, Dec 25
SPI
Springfield
BOI
Boise
$838 Roundtrip, found 5 days ago
$838
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Dec 20 from Springfield to Boise, returning Thu, Dec 25, priced at $838 found 5 days ago
American Airlines
Mon, Dec 22 - Fri, Dec 26
SPI
Springfield
BOI
Boise
$842 Roundtrip, found 4 hours ago
$842
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Mon, Dec 22 from Springfield to Boise, returning Fri, Dec 26, priced at $842 found 4 hours ago
American Airlines
Wed, Dec 24 - Thu, Dec 25
SPI
Springfield
BOI
Boise
$856 Roundtrip, found 5 days ago
$856
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Dec 24 from Springfield to Boise, returning Thu, Dec 25, priced at $856 found 5 days ago
American Airlines
Mon, Dec 22 - Fri, Dec 26
SPI
Springfield
BOI
Boise
$862 Roundtrip, found 3 days ago
$862
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Dec 22 from Springfield to Boise, returning Fri, Dec 26, priced at $862 found 3 days ago
American Airlines
Mon, Dec 22 - Fri, Dec 26
SPI
Springfield
BOI
Boise
$869 Roundtrip, found 3 days ago
$869
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Dec 22 from Springfield to Boise, returning Fri, Dec 26, priced at $869 found 3 days ago
American Airlines
Mon, Dec 22 - Fri, Dec 26
SPI
Springfield
BOI
Boise
$872 Roundtrip, found 3 days ago
$872
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Dec 22 from Springfield to Boise, returning Fri, Dec 26, priced at $872 found 3 days ago
Flights from Springfield (SPI) to Boise (BOI)
Origin airport
Abraham Lincoln Capital
Destination airport
Boise
Airlines serving
American Airlines
Roundtrip price
$716
Distance
1387 mi

Springfield to Boise Flights

The cheapest times to fly from Springfield to Boise

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Springfield to Boise are during the month of December. You can find some of the cheapest flights from Springfield to Boise with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Springfield to Boise

Sunday is one of the best days to book for cheap flights from Springfield to Boise: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Springfield to Boise

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Springfield to Boise in 2026. You can also book with separate airlines for your outbound and return journeys, from $459 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Springfield to Boise flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Springfield to Boise airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Abraham Lincoln Capital Airport (SPI) to Boise Airport (BOI) cost?
Get a cheap one-way flight from $459 or cheap return flight from $717 from Abraham Lincoln Capital Airport (SPI) to Boise Airport (BOI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Abraham Lincoln Capital Airport (SPI) to Boise Airport (BOI)?
December is the least expensive month to fly from SPI to BOI. Traveling outside of peak seasons is often the key to finding better deals on flights.
What is the cheapest airline that flies from Abraham Lincoln Capital Airport (SPI) to Boise Airport (BOI)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest SPI to BOI flight.
How many flights per day from Abraham Lincoln Capital Airport (SPI) to Boise Airport (BOI)?
You'll need to book a flight with a layover when traveling from Abraham Lincoln Capital Airport (SPI) to Boise Airport (BOI). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from SPI to BOI?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on a number of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Abraham Lincoln Capital Airport (SPI) to Boise Airport (BOI)?
To land at Boise Airport (BOI) without delays, select a flight that leaves Abraham Lincoln Capital Airport (SPI) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Abraham Lincoln Capital Airport (SPI) to Boise Airport (BOI) last-minute?
Last-minute fares from SPI to BOI are generally more expensive. To secure the best rates, start looking for flights well ahead of time. That said, if you're flexible with your travel plans, you may score a cheap fare right before you leave.
Is it cheaper to book a SPI to BOI flight and hotel package?
You'll typically save money by securing a SPI to BOI flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After selecting your preferred accommodations and flights, you can add extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Abraham Lincoln Capital Airport (SPI) to Boise Airport (BOI)?
You can usually reschedule or cancel your SPI to BOI flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.