$465 Cheap Flights from Boise (BOI) to Split (SPU)

View $465 flight on Tue, Aug 26, 2025Opens in a new window

Popular airlines from Boise Airport (BOI) to Split Airport (SPU)

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Cheap Flights from Boise to Split (BOI-SPU)

Prices were available within the past 7 days and start at $465 for one-way flights and $687 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Mon, Aug 25 - Sat, Sep 6
BOI
Boise
SPU
Split
$687 Roundtrip, found 2 days ago
$687
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Mon, Aug 25 from Boise to Split, returning Sat, Sep 6, priced at $687 found 2 days ago
Delta
Sun, Aug 24 - Thu, Sep 11
BOI
Boise
SPU
Split
$704 Roundtrip, found 2 days ago
$704
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Aug 24 from Boise to Split, returning Thu, Sep 11, priced at $704 found 2 days ago
Delta
Tue, Aug 26 - Wed, Sep 10
BOI
Boise
SPU
Split
$704 Roundtrip, found 2 days ago
$704
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Aug 26 from Boise to Split, returning Wed, Sep 10, priced at $704 found 2 days ago
Lufthansa
Wed, Oct 15 - Mon, Oct 27
BOI
Boise
SPU
Split
$714 Roundtrip, found 6 days ago
$714
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Wed, Oct 15 from Boise to Split, returning Mon, Oct 27, priced at $714 found 6 days ago
Lufthansa
Wed, Oct 15 - Mon, Oct 27
BOI
Boise
SPU
Split
$718 Roundtrip, found 6 days ago
$718
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Wed, Oct 15 from Boise to Split, returning Mon, Oct 27, priced at $718 found 6 days ago
Lufthansa
Tue, Aug 26 - Fri, Sep 5
BOI
Boise
SPU
Split
$725 Roundtrip, found 1 day ago
$725
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Tue, Aug 26 from Boise to Split, returning Fri, Sep 5, priced at $725 found 1 day ago
Delta
Wed, Aug 20 - Wed, Aug 27
BOI
Boise
SPU
Split
$728 Roundtrip, found 6 days ago
$728
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Aug 20 from Boise to Split, returning Wed, Aug 27, priced at $728 found 6 days ago
Delta
Sun, Aug 24 - Wed, Sep 10
BOI
Boise
SPU
Split
$730 Roundtrip, found 2 days ago
$730
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Aug 24 from Boise to Split, returning Wed, Sep 10, priced at $730 found 2 days ago
Air France
Tue, Aug 19 - Wed, Aug 27
BOI
Boise
SPU
Split
$754 Roundtrip, found 6 days ago
$754
Roundtrip
found 6 days ago
Select Air France flight, departing Tue, Aug 19 from Boise to Split, returning Wed, Aug 27, priced at $754 found 6 days ago
Iberia
Tue, Aug 26 - Thu, Sep 4
BOI
Boise
SPU
Split
$860 Roundtrip, found 2 days ago
$860
Roundtrip
found 2 days ago
Select Iberia flight, departing Tue, Aug 26 from Boise to Split, returning Thu, Sep 4, priced at $860 found 2 days ago
Flights from Boise (BOI) to Split (SPU)
Origin airport
Boise
Destination airport
Split
Roundtrip price
$687
Distance
5742 mi

Boise to Split Flights

The cheapest times to fly from Boise to Split

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 Boise to Split are during the month of August. You can find some of the cheapest flights from Boise to Split with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boise to Split

Sunday is one of the best days to book for cheap flights from Boise to Split: 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 Boise to Split

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 Boise to Split in 2025. You can also book with separate airlines for your outbound and return journeys, from $465 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 Boise to Split 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 Boise to Split 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 Boise Airport (BOI) to Split Airport (SPU) cost?
Discover the latest flight deals from BOI to SPU by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from BOI to SPU?
The cheapest flights from BOI to SPU are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from BOI to SPU?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from BOI to SPU. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Boise Airport (BOI) to Split Airport (SPU)?
There aren't any daily direct flights departing from Boise Airport (BOI) to Split Airport (SPU). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from BOI to SPU?
Typically you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* But this can change depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Boise Airport (BOI) to Split Airport (SPU)?
To avoid possible delays on the Boise Airport (BOI) to Split Airport (SPU) route, aim to fly before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**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 Boise Airport (BOI) to Split Airport (SPU) last-minute?
Holding off until just before your departure to book a ticket from BOI to SPU generally means paying more. Although you may find some last-minute deals, they're not always guaranteed. Allow some flexibility in your schedule to maximize your chances of snagging a bargain.
Is it cheaper to book a BOI to SPU flight and hotel package?
Booking a BOI to SPU flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our wide range of hotels and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Boise Airport (BOI) to Split Airport (SPU)?
Typically, you're able to cancel or reschedule your BOI to SPU flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you want further details, visit our Customer Service portal.

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*Available to One Key members.