$69 Cheap Flights from Salt Lake City (SLC) to Boise (BOI)

View $69 flight on Fri, Jan 23, 2026Opens in a new window

Popular airlines from Salt Lake City International Airport (SLC) to Boise Airport (BOI)

Cheap Flights from Salt Lake City to Boise (SLC-BOI)

Prices were available within the past 7 days and start at $69 for one-way flights and $138 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Jan 29 - Mon, Feb 2
SLC
Salt Lake City
BOI
Boise
$138 Roundtrip, found 12 hours ago
$138
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Thu, Jan 29 from Salt Lake City to Boise, returning Mon, Feb 2, priced at $138 found 12 hours ago
Alaska Airlines
Fri, Jan 23 - Mon, Jan 26
SLC
Salt Lake City
BOI
Boise
$153 Roundtrip, found 2 days ago
$153
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, Jan 23 from Salt Lake City to Boise, returning Mon, Jan 26, priced at $153 found 2 days ago
Frontier Airlines
Thu, Feb 19 - Fri, Feb 27
SLC
Salt Lake City
BOI
Boise
$155 Roundtrip, found 1 hour ago
$155
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, Feb 19 from Salt Lake City to Boise, returning Fri, Feb 27, priced at $155 found 1 hour ago
Alaska Airlines
Fri, Jan 23 - Mon, Jan 26
SLC
Salt Lake City
BOI
Boise
$158 Roundtrip, found 2 days ago
$158
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, Jan 23 from Salt Lake City to Boise, returning Mon, Jan 26, priced at $158 found 2 days ago
Hawaiian Airlines
Fri, Jan 30 - Tue, Feb 10
SLC
Salt Lake City
BOI
Boise
$164 Roundtrip, found 3 days ago
$164
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Fri, Jan 30 from Salt Lake City to Boise, returning Tue, Feb 10, priced at $164 found 3 days ago
Hawaiian Airlines
Fri, Jan 30 - Wed, Feb 18
SLC
Salt Lake City
BOI
Boise
$171 Roundtrip, found 3 days ago
$171
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Fri, Jan 30 from Salt Lake City to Boise, returning Wed, Feb 18, priced at $171 found 3 days ago
Frontier Airlines
Mon, Jan 12 - Thu, Jan 15
SLC
Salt Lake City
BOI
Boise
$172 Roundtrip, found 3 hours ago
$172
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Mon, Jan 12 from Salt Lake City to Boise, returning Thu, Jan 15, priced at $172 found 3 hours ago
Frontier Airlines
Sat, Jan 3 - Thu, Jan 15
SLC
Salt Lake City
BOI
Boise
$173 Roundtrip, found 15 hours ago
$173
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Sat, Jan 3 from Salt Lake City to Boise, returning Thu, Jan 15, priced at $173 found 15 hours ago
Delta
Fri, Jan 23 - Mon, Jan 26
SLC
Salt Lake City
BOI
Boise
$182 Roundtrip, found 2 days ago
$182
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Jan 23 from Salt Lake City to Boise, returning Mon, Jan 26, priced at $182 found 2 days ago
Southwest Airlines
Tue, Feb 10 - Wed, Feb 11
SLC
Salt Lake City
BOI
Boise
$241 Roundtrip, found 2 days ago
$241
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Tue, Feb 10 from Salt Lake City to Boise, returning Wed, Feb 11, priced at $241 found 2 days ago

Find the cheapest month to fly from Salt Lake City (SLC) to Boise (BOI)

September is typically the cheapest month to fly

From $126 - $363 per traveler.

Alternative airports near Boise

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Boise Airport BOI. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $497
BOI
Boise Airport
CheapestClosest
Average driving time to city center8 min
Flights from $497
Flights from Salt Lake City (SLC) to Boise (BOI)
Origin airport
Salt Lake City Intl.
Destination airport
Boise
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$138
Distance
289 mi
Average flight time
1 hour 21 mins

Salt Lake City to Boise Flights

The cheapest times to fly from Salt Lake City 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 Salt Lake City to Boise are during the month of January. You can find some of the cheapest flights from Salt Lake City to Boise with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Salt Lake City to Boise

Sunday is one of the best days to book for cheap flights from Salt Lake City 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 Salt Lake City 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 Salt Lake City to Boise in 2026. You can also book with separate airlines for your outbound and return journeys, from $69 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 Salt Lake City 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 Salt Lake City 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 Salt Lake City Intl. Airport (SLC) to Boise Airport (BOI) cost?
Grab a cheap one-way flight from $69 or cheap return flight from $138 from Salt Lake City Intl. Airport (SLC) to Boise Airport (BOI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Salt Lake City Intl. Airport (SLC) to Boise Airport (BOI)?
Flying in January is a good way to save, as it's the cheapest month for flights between SLC and BOI. You'll often find the lowest prices during off-peak months.
Which airlines fly direct from Salt Lake City Intl. Airport (SLC) to Boise Airport (BOI)?
Fly directly from Salt Lake City Intl. Airport (SLC) to Boise Airport (BOI) on a Delta Air Lines flight.
What is the cheapest airline that flies from Salt Lake City Intl. Airport (SLC) to Boise Airport (BOI)?
To find the cheapest airline flying from SLC to BOI, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Salt Lake City Intl. Airport (SLC) to Boise Airport (BOI)?
With an average of 4 direct flights that operate from Salt Lake City Intl. Airport (SLC) to Boise Airport (BOI) every day, you'll be on your way in no time.
What are the most popular departure times for flights from Salt Lake City Intl. Airport (SLC) to Boise Airport (BOI)?
Flights between SLC and BOI are busiest at 10 PM. If you want a quieter experience and possibly cheaper tickets, look for a time outside the usual busy windows.
What day of the week has the most flights from SLC to BOI?
Friday offers the most flights from Salt Lake City Intl. Airport (SLC) to Boise Airport (BOI). Consider leaving on this day and you'll have the best chance of finding a schedule that works for you.
What is the earliest flight from Salt Lake City Intl. Airport (SLC) to Boise Airport (BOI)?
Salt Lake City Intl. Airport (SLC)'s earliest flight to Boise Airport (BOI) is at approximately 8:25AM UTC-7. With a travel time of 1h 28m, you'll land at around 9:53AM UTC-7.
How long does it take to fly from Salt Lake City Intl. Airport (SLC) to Boise Airport (BOI)?
The average flight duration from SLC to BOI is 1 hour and 19 minutes, covering a total distance of 290 mi.
What airline has the least delays from SLC to BOI?
Aeromexico has the strongest track record for on-time direct flights from Salt Lake City Intl. Airport (SLC) to Boise Airport (BOI), with an on-time rating of 93%. Use the Expedia App to check your flight schedule before you head off and get immediate updates about any changes.
What is the best time to fly from Salt Lake City Intl. Airport (SLC) to Boise Airport (BOI)?
To reach Boise Airport (BOI) on schedule, pick a flight that leaves Salt Lake City Intl. Airport (SLC) 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.
What airports do you fly into for Boise from Salt Lake City Intl. Airport (SLC)?
If you're taking a direct flight from Salt Lake City Intl. Airport (SLC) to Boise, Boise Airport (BOI) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Salt Lake City Intl. Airport (SLC) to Boise Airport (BOI) last-minute?
Last-minute bookings from SLC to BOI are typically more expensive. For the lowest rates, start looking for flights as early as possible. That being said, if you're flexible with your travel dates, you may land a cheap ticket right before your journey.
Is it cheaper to book a SLC to BOI flight and hotel package?
Compared with arranging hotels and flights separately, booking a SLC to BOI flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place will take the stress out of travel planning. Simply pick your flights and select from our extensive range of stays, then tailor your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Salt Lake City Intl. Airport (SLC) to Boise Airport (BOI)?
If you reserved your SLC to BOI flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

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*Available to One Key members.