$115 Cheap Flights from Salt Lake City (SLC) to Boise (BOI)

View $115 flight on Tue, Jul 7, 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 $115 for one-way flights and $230 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, Jul 7 - Tue, Jul 14
SLC
Salt Lake City
BOI
Boise
$230 Roundtrip, found 1 day ago
$230
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Jul 7 from Salt Lake City to Boise, returning Tue, Jul 14, priced at $230 found 1 day ago
Frontier Airlines
Thu, Jul 30 - Tue, Aug 4
SLC
Salt Lake City
BOI
Boise
$249 Roundtrip, found 15 hours ago
$249
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Thu, Jul 30 from Salt Lake City to Boise, returning Tue, Aug 4, priced at $249 found 15 hours ago
Frontier Airlines
Sun, Aug 2 - Tue, Aug 11
SLC
Salt Lake City
BOI
Boise
$250 Roundtrip, found 4 days ago
$250
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sun, Aug 2 from Salt Lake City to Boise, returning Tue, Aug 11, priced at $250 found 4 days ago
Frontier Airlines
Sat, Jun 27 - Tue, Jun 30
SLC
Salt Lake City
BOI
Boise
$254 Roundtrip, found 2 days ago
$254
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sat, Jun 27 from Salt Lake City to Boise, returning Tue, Jun 30, priced at $254 found 2 days ago
Frontier Airlines
Thu, Jul 23 - Tue, Jul 28
SLC
Salt Lake City
BOI
Boise
$259 Roundtrip, found 18 hours ago
$259
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Thu, Jul 23 from Salt Lake City to Boise, returning Tue, Jul 28, priced at $259 found 18 hours ago
Frontier Airlines
Wed, Jun 24 - Tue, Jun 30
SLC
Salt Lake City
BOI
Boise
$260 Roundtrip, found 2 days ago
$260
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, Jun 24 from Salt Lake City to Boise, returning Tue, Jun 30, priced at $260 found 2 days ago
Southwest Airlines
Tue, Aug 25 - Sun, Aug 30
SLC
Salt Lake City
BOI
Boise
$286 Roundtrip, found 1 day ago
$286
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, Aug 25 from Salt Lake City to Boise, returning Sun, Aug 30, priced at $286 found 1 day ago
Delta
Wed, Sep 16 - Mon, Sep 21
SLC
Salt Lake City
BOI
Boise
$339 Roundtrip, found 4 hours ago
$339
Roundtrip
found 4 hours ago
Select Delta flight, departing Wed, Sep 16 from Salt Lake City to Boise, returning Mon, Sep 21, priced at $339 found 4 hours ago
Alaska Airlines
Wed, Sep 16 - Mon, Sep 21
SLC
Salt Lake City
BOI
Boise
$358 Roundtrip, found 4 hours ago
$358
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Wed, Sep 16 from Salt Lake City to Boise, returning Mon, Sep 21, priced at $358 found 4 hours ago
American Airlines
Sat, Nov 14 - Mon, Nov 16
SLC
Salt Lake City
BOI
Boise
$469 Roundtrip, found 5 hours ago
$469
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Sat, Nov 14 from Salt Lake City to Boise, returning Mon, Nov 16, priced at $469 found 5 hours ago

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 $513
BOI
Boise Airport
CheapestClosest
Average driving time to city center8 min
Flights from $513

What you need to know for your flight from Salt Lake City Intl. to Boise

Salt Lake City (SLC) to Boise (BOI) at a glance

Travel from Salt Lake City (SLC) to Boise (BOI) with a selection of airlines offering convenient options on this domestic short-haul route. Evaluate both full-service and low-cost carriers to discover the itinerary that aligns with your budget, schedule, and travel goals while you take in Boise's renowned attractions and neighborhoods. Here, you'll find essential information for flights departing from Salt Lake City International Airport (SLC) to Boise Airport (BOI).

  • Fastest flight duration: around 1h 15m non-stop
  • Route distance: roughly 300 miles (485 km)
  • Flights per week: around 11 departures on average
  • Typical fares (one-way): economy tickets often range from $115–$510, depending on seasonality and how far ahead you book

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

Based on recent traveler bookings, here are the top airlines favored for flights from Salt Lake City to Boise, particularly for non-stop and one-stop options. Common layover points include Denver International Airport (DEN) with about a 55-minute stop, Seattle-Tacoma International Airport (SEA) offering a layover of approximately 1 hour and 15 minutes, and Harry Reid International Airport (LAS), also with a 1 hour and 15-minute layover. These choices allow you to easily compare prices, total travel time, and cabin classes to create your ideal itinerary.

  • Delta: This major airline provides comprehensive services with direct flights, capturing around 84% of departures on this route. One-way ticket prices generally fall between $130 and $540, with a total travel time of 1 hour and 15 minutes.
  • Southwest Airlines: Known for its budget-friendly options, this airline offers one-stop flights, contributing to about 6% of departures. Passengers can expect one-way fares ranging from $115 to $400, with an in-flight duration of 3 hours and 30 minutes and a total journey time of approximately 4 hours and 45 minutes, including layovers.
  • Alaska Airlines: As another full-service airline, Alaska provides one-stop services, making up nearly 5% of departures. One-way fares typically range from $130 to $340, with an in-flight time of 3 hours and 30 minutes and a total travel duration of around 4 hours and 45 minutes, factoring in the layover.
  • Frontier Airlines: This low-cost carrier also offers one-stop flights, representing about 4% of departures on this route. Passengers can find one-way tickets priced between $115 and $275, with a flight time of 3 hours and 30 minutes and a total travel time of roughly 4 hours and 45 minutes, including layover time.

Travelers flying from Salt Lake City to Boise can enhance their journey by upgrading to Delta’s first class or premium economy service, both of which provide a more comfortable flying experience.

Best time to fly from Salt Lake City (SLC) to Boise (BOI)

The most popular months for travelers flying from Salt Lake City to Boise are February, April, and December, when peak temperatures in Boise reach up to 48.6°F in April. If you prefer quieter travel, consider September, the least busy time to visit with temperatures around 66.4°F and typically the lowest average one-way fare (around $241). Flight availability peaks in December, with approximately 14 flights per week, making it easier to find convenient departure times. November has the fewest flights, with approximately 9 flights per week.

  • Cheapest time to fly: September usually offers good deals with average one-way fare around $241, roughly 15% cheaper than the yearly average.
  • More budget-friendly months to fly: December, August, and June typically offer average one-way fares of around $256.
  • Most flight options: December has the highest number of flights from Salt Lake City to Boise, with approximately 14 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January29.5°F (-1.4°C)Average11$313
February33.8°F (1.0°C)Moderately High11$322
March41.7°F (5.4°C)Average10$325
April48.6°F (9.2°C)Moderately High12$309
May57.7°F (14.3°C)Moderately Low11$267
June67.1°F (19.5°C)Average10$259
July78.1°F (25.6°C)Average13$285
August76.1°F (24.5°C)Average11$258
September66.4°F (19.1°C)Moderately Low13$241
October51.8°F (11.0°C)Average11$283
November38.7°F (3.7°C)Moderately Low9$291
December29.5°F (-1.4°C)Moderately High14$254

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Salt Lake City (SLC) to Boise (BOI)

  • Ogden to Boise (OGD-BOI): Ogden Regional Airport (OGD) lies approximately 28 miles from Salt Lake City International Airport (SLC), providing a convenient alternative for travelers heading to Boise.

How to find the best prices for flights from Salt Lake City (SLC) to Boise (BOI)

Getting some of the best deals on flights from Salt Lake City to Boise is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking 2-8 weeks in advance, although most travelers tend to book within 2 weeks. Evening departures from 6 PM to 12 AM often offer lower prices, while morning flights from 5 AM to 12 PM are the most popular. Additionally, flying on Sunday typically provides cheaper options, whereas Friday remains the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Boise Airport from Salt Lake City International Airport

Boise welcomes travelers from Salt Lake City with a range of transport options based on price, convenience, and proximity. Here's how to reach Boise efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Boise, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Boise Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Boise Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Boise Airport, both Boise Station, a train station, and Boise Bus Station, a bus station, are conveniently accessible, located about 2.4 miles and 3.8 miles away by car, respectively, making it easy for travelers to reach their next destination.

Frequently asked questions

How much does a flight from Salt Lake City, UT (SLC-Salt Lake City Intl.) to Boise, ID (BOI) cost?
You can find cheap one-way flights from $115 and cheap return flights from $230 Salt Lake City, UT (SLC-Salt Lake City Intl.) to Boise, ID (BOI) with Expedia. One-way flights typically cost between $218 and $819, and return flights often range between $392 and $1222. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Salt Lake City, UT (SLC-Salt Lake City Intl.) to Boise, ID (BOI) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Salt Lake City, UT (SLC-Salt Lake City Intl.) to Boise, ID (BOI)?
September is typically the cheapest month to fly from Salt Lake City (SLC) to Boise (BOI), with average return fares around $369. This price is about 23% lower than the average throughout the year, as demand tends to decrease after the summer travel season. Other cheap months to fly from Salt Lake City to Boise include July and October.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Salt Lake City, UT (SLC-Salt Lake City Intl.) to Boise, ID (BOI)?
Delta offers around 40 weekly direct flights from SLC to BOI.
What is the cheapest airline that flies from Salt Lake City, UT (SLC-Salt Lake City Intl.) to Boise, ID (BOI)?
Delta is one of the cheapest airlines offering nonstop flights from Salt Lake City (SLC) to Boise (BOI), with round-trip tickets starting from around $543. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Salt Lake City, UT (SLC-Salt Lake City Intl.) to Boise, ID (BOI)?
To find a cheap flight from Salt Lake City, UT (SLC-Salt Lake City Intl.) to Boise, ID (BOI), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Salt Lake City, UT (SLC-Salt Lake City Intl.) to Boise, ID (BOI)?
The best airline to fly with from Salt Lake City, UT (SLC) to Boise, ID (BOI) will differ from traveler to traveler. If you like to fly early, Delta offers early morning flights. If price is the most important factor, Delta typically offers the lowest fares. Alaska Airlines also offers the most daily flights from SLC to BOI, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Salt Lake City, UT (SLC-Salt Lake City Intl.) to Boise, ID (BOI)?
For your trip from Salt Lake City to Boise, September and October are the best months to fly, with average return flight prices around $369. These months typically feature lower prices and beautiful fall scenery, enhancing your travel experience.*Prices based on flights available on Expedia in the last year.
How many flights per day from Salt Lake City, UT (SLC-Salt Lake City Intl.) to Boise, ID (BOI)?
There are approximately 6 nonstop flights per day from Salt Lake City Intl. (SLC) to (BOI). For more options, look at flights that include layovers.
What is the earliest flight from Salt Lake City, UT (SLC-Salt Lake City Intl.) to Boise, ID (BOI)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from SLC to BOI. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Salt Lake City, UT (SLC-Salt Lake City Intl.) to Boise, ID (BOI)?
The most popular departure times for flights from Salt Lake City, UT (SLC) to Boise, ID (BOI) are from 6am to 9am. About 27% of passengers choose to fly during this time. This early timing is favored by travelers looking to make the most of their day in Boise.
How long does it take to fly from Salt Lake City, UT (SLC-Salt Lake City Intl.) to Boise, ID (BOI)?
A nonstop flight from SLC to BOI typically takes around 1 hour 20 minutes, covering approximately 290 miles. Connecting flights on this route usually add 3 hours 40 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Salt Lake City, UT (SLC-Salt Lake City Intl.) to Boise, ID (BOI)?
First class seats are offered on the SLC to BOI route. First class cabins are available on:

  • American Airlines
  • United Airlines
  • Delta Air Lines

How much is a business class flight from Salt Lake City, UT (SLC-Salt Lake City Intl.) to Boise, ID (BOI)?
A direct, return business class ticket from Salt Lake City, UT (SLC) to Boise, ID (BOI) typically costs between $951 - $1,286. A non-stop, one-way business class flight is usually around $573 - $763. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Salt Lake City, UT (SLC-Salt Lake City Intl.) to Boise, ID (BOI) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Salt Lake City, UT (SLC-Salt Lake City Intl.) to Boise, ID (BOI) flight with Expedia?
It's easy to earn miles on a Salt Lake City, UT (SLC-Salt Lake City Intl.) to Boise, ID (BOI) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Salt Lake City, UT (SLC-Salt Lake City Intl.) to Boise, ID (BOI) at the last minute?
Typically, booking a last minute flight from Salt Lake City, UT (SLC-Salt Lake City Intl.) to Boise, ID (BOI) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Salt Lake City, UT (SLC-Salt Lake City Intl.) to Boise, ID (BOI) flight and hotel package?
Securing a Salt Lake City, UT (SLC-Salt Lake City Intl.) to Boise, ID (BOI) Boise Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Salt Lake City, UT (SLC-Salt Lake City Intl.) to Boise, ID (BOI)?
If you booked your Salt Lake City, UT (SLC-Salt Lake City Intl.) to Boise, ID (BOI) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Salt Lake City Intl.
Destination airport
Boise
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$230
Distance
289 mi
Average flight time
1 hour 18 mins

Book with confidence

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 July. 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 $115 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.

 

Salt Lake City to Boise Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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