$105 Cheap Flights from Boise (BOI) to Salt Lake City (SLC)
Popular airlines from Boise Airport (BOI) to Salt Lake City International Airport (SLC)
Alaska AirlinesAlaska Airlines
DeltaDelta
Southwest AirlinesSouthwest Airlines
UnitedUnited
American AirlinesAmerican Airlines
Frontier AirlinesFrontier Airlines
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Cheap Flights from Boise to Salt Lake City (BOI-SLC)
Alternative airports near Salt Lake City
Prices were available within the past 7 days. Prices and availability are subject to change.
Find the cheapest month to fly from Boise (BOI) to Salt Lake City (SLC)
September is typically the cheapest month to flySeptember is typically the cheapest month to fly
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Boise (BOI) to Salt Lake City (SLC) at a glance
Travel between Boise (BOI) and Salt Lake City (SLC) with a selection of airlines on this convenient domestic route. You can explore options ranging from budget-friendly choices to full-service carriers, allowing you to tailor your travel experience to suit your budget and schedule. As you plan your trip to discover the vibrant sights and neighborhoods of Salt Lake City, be sure to check out the key details for flights from Boise Airport to Salt Lake City International Airport.
- Fastest flight duration: around 1h 15m non-stop
- Route distance: roughly 300 miles (485 km)
- Flights per week: around 13 departures on average
- Typical fares (one-way): economy tickets often range from $115–$500, depending on seasonality and how far ahead you book
Flights from Boise Airport (BOI) to Salt Lake City International Airport (SLC)
Based on the latest traveler bookings, here’s a look at the most popular airlines flying from Boise to Salt Lake City, favored for both non-stop and one-stop flights. Common layover options include Denver International Airport (DEN) with a one-hour layover, Harry Reid International Airport (LAS) also with about a one-hour layover, and Seattle-Tacoma International Airport (SEA), which features a 1 hour and 30-minute layover. These choices allow you to tailor your journey by balancing price, total travel time, and cabin class for the ideal itinerary.
- Delta: As a comprehensive airline, Delta provides non-stop flights with one-way ticket prices usually between $120 and $520. This carrier dominates the route, accounting for around 90% of all departures, with a total travel duration of 1 hour and 15 minutes.
- Southwest Airlines: Known for its budget-friendly options, Southwest Airlines offers one-stop service with one-way fares generally ranging from $125 to $415. It represents about 6% of the flights on this route, featuring an in-flight duration of 3 hours and 30 minutes, culminating in a total journey time of approximately 4 hours and 45 minutes, including a layover.
- Alaska Airlines: This full-service airline provides one-stop travel with one-way fares typically falling between $115 and $290. Alaska Airlines makes up about 3% of the departures on this route, with a flight time of 3 hours and 30 minutes, leading to a total travel time of around 4 hours and 45 minutes when factoring in the layover.
- Frontier Airlines: As a low-cost carrier, Frontier Airlines offers one-stop service with one-way fares generally ranging from $115 to $175. It accounts for roughly 1% of the departures on this route, featuring an in-flight duration of 3 hours and 30 minutes and a total journey time of about 4 hours and 45 minutes, including layover time.
Travelers can enhance their journey from Boise to Salt Lake City by upgrading their flight. Delta provides both first class and premium economy service on this route for added comfort and convenience.
Best time to fly from Boise (BOI) to Salt Lake City (SLC)
The most popular months for travelers flying from Boise to Salt Lake City are January, February, and March, when peak temperatures in Salt Lake City reach up to 39.2°F in March. If you prefer quieter travel, consider May, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 56.1°F. For better deals, September usually offers the lowest average one-way fare around $231. Flight availability peaks in September, with approximately 15 flights per week, making it easier to find convenient departure times. March, July, August, and December have the fewest flights, with approximately 12 flights per week.
- Cheapest time to fly: September usually offers good deals with average one-way fare around $231, roughly 17% cheaper than the yearly average.
- Another budget-friendly time to fly: December typically offers an average one-way fare of around $261.
- Most flight options: September has the highest number of flights from Boise to Salt Lake City, with approximately 15 flights per week, giving you more flexibility in scheduling your trip.
| Month | Temperature | Demand | Weekly Flights | Average one-way Fare |
| January | 27.5°F (-2.5°C) | Moderately High | 13 | $304 |
| February | 30.7°F (-0.7°C) | Moderately High | 13 | $289 |
| March | 39.2°F (4.0°C) | Moderately High | 12 | $281 |
| April | 46.4°F (8.0°C) | Average | 14 | $298 |
| May | 56.1°F (13.4°C) | Moderately Low | 14 | $270 |
| June | 67.8°F (19.9°C) | Moderately Low | 13 | $295 |
| July | 77.5°F (25.3°C) | Average | 12 | $310 |
| August | 74.7°F (23.7°C) | Moderately Low | 12 | $286 |
| September | 66.0°F (18.9°C) | Average | 15 | $231 |
| October | 50.9°F (10.5°C) | Average | 14 | $262 |
| November | 38.5°F (3.6°C) | Average | 13 | $276 |
| December | 28.4°F (-2.0°C) | Average | 12 | $261 |
*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 Boise (BOI) to Salt Lake City (SLC)
- Boise to Ogden (BOI-OGD): Ogden Regional Airport (OGD) is located approximately 28 miles from Salt Lake City International Airport (SLC), providing a convenient option for travelers heading to this region.
How to find the best prices for flights from Boise (BOI) to Salt Lake City (SLC)
Getting some of the best deals on flights from Boise to Salt Lake City is all about timing and flexibility. Here are some key tips to help you save:
- Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Departures in the morning (5 a.m. to 12 p.m.) tend to offer lower prices and are also the most popular times to fly, while Saturday flights generally come with cheaper rates, even though Friday is the busiest travel day.
- Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
- Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
- 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.
- Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
- 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 Salt Lake City International Airport from Boise Airport
Salt Lake City welcomes travelers from Boise with a range of transport options based on price, convenience, and proximity. Here's how to reach Salt Lake City efficiently:
- Hotel transfer: Transfers offer a convenient way to reach your hotel in Salt Lake City, with private rides that can be arranged in advance.
- Car rental: Renting a car from Salt Lake City International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Salt Lake City International 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 Salt Lake City International Airport, Airport Station, a metro station, is located about 0.2 miles away on foot, while Salt Lake City Bus Station, a bus station, is situated about 6.5 miles from the airport and is typically reached by car.
Boise to Salt Lake City Flights
The cheapest times to fly from Boise to Salt Lake City
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 Salt Lake City are during the month of October. You can find some of the cheapest flights from Boise to Salt Lake City with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Boise to Salt Lake City
Sunday is one of the best days to book for cheap flights from Boise to Salt Lake City: 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 Salt Lake City
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 Salt Lake City in 2026. You can also book with separate airlines for your outbound and return journeys, from $105 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 Salt Lake City 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 Salt Lake City 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, ID (BOI) to Salt Lake City, UT (SLC-Salt Lake City Intl.) cost?
You can find cheap one-way flights from $105 and cheap return flights $216 Boise, ID (BOI) to Salt Lake City, UT (SLC-Salt Lake City Intl.) with Expedia. One-way flights generally range between $222 and $858, and roundtrip flights usually range from $394 to $1211. 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 Boise, ID (BOI) to Salt Lake City, UT (SLC-Salt Lake City Intl.) 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 Boise, ID (BOI) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
May is the cheapest month to fly from Boise, ID (BOI) to Salt Lake City, UT (SLC), with average round-trip fares around $401. This price is about 10% lower than the average fare throughout the year, as May often has less travel activity compared to peak summer months. Other affordable months to consider are April and October.
*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Boise, ID (BOI) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
Delta offers around 42 weekly direct flights from BOI to SLC.
What is the cheapest airline that flies from Boise, ID (BOI) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
Delta is one of the cheapest airlines offering nonstop flights from Boise (BOI) to Salt Lake City Intl. (SLC), with round-trip tickets starting from around $199. 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 Boise, ID (BOI) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
To find a cheap flight from Boise, ID (BOI) to Salt Lake City, UT (SLC-Salt Lake City Intl.), 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 Boise, ID (BOI) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
The best airline to fly with from Boise, ID (BOI) to Salt Lake City, UT (SLC) 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 offers the most daily flights from BOI to SLC, 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 Boise, ID (BOI) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
For flights from Boise (BOI) to Salt Lake City (SLC), May and April are the best months to consider, with average return flight prices around $401. These months provide a good mix of affordability and pleasant weather, making your travel experience enjoyable.
*Prices based on flights available on Expedia in the last year.
How many flights per day from Boise, ID (BOI) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
There are approximately 6 nonstop flights per day from (BOI) to Salt Lake City Intl. (SLC). For more options, look at flights that include layovers.
What is the earliest flight from Boise, ID (BOI) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
The earliest flight from Boise (BOI) to Salt Lake City (SLC) usually departs at around 5:00 AM, operated by Delta. This early departure can help you maximize your day in Salt Lake City. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Boise, ID (BOI) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
The most popular departure times for flights from Boise (BOI) to Salt Lake City (SLC) are in the early morning, from 6am to 9am. About 25% of passengers prefer this time window. Many major carriers, including Alaska Airlines and Southwest Airlines, offer flights during this window. This timing is popular because it allows travelers to arrive in Salt Lake City with plenty of time to enjoy the day.
How long does it take to fly from Boise, ID (BOI) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
A nonstop flight from BOI to SLC typically takes around 1 hour 20 minutes, covering approximately 290 miles. Connecting flights on this route usually add 3 hours 30 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 Boise, ID (BOI) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
Select the "Business class" and "First class" filters when looking for BOI to SLC flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How much is a business class flight from Boise, ID (BOI) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
A direct, return business class ticket from Boise (BOI) to Salt Lake City (SLC) typically costs between $1,075 - $1,393. there is no data available for one-way flights. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Boise, ID (BOI) to Salt Lake City, UT (SLC-Salt Lake City Intl.) 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 Boise, ID (BOI) to Salt Lake City, UT (SLC-Salt Lake City Intl.) flight with Expedia?
It's easy to earn miles on a Boise, ID (BOI) to Salt Lake City, UT (SLC-Salt Lake City Intl.) 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.
What airports do you fly into for Salt Lake City from BOI (BOI)?
If you're planning to travel to Salt Lake City from BOI (BOI), you can fly into Salt Lake City Intl. (SLC) Some flights may connect through major hubs like Portland Intl. (PDX), Spokane Intl. (GEG), Seattle - Tacoma Intl. (SEA) before reaching Salt Lake City. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Boise, ID (BOI) to Salt Lake City, UT (SLC-Salt Lake City Intl.) at the last minute?
Typically, booking a last minute flight from Boise, ID (BOI) to Salt Lake City, UT (SLC-Salt Lake City Intl.) 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 Boise, ID (BOI) to Salt Lake City, UT (SLC-Salt Lake City Intl.) flight and hotel package?
Securing a Boise, ID (BOI) to Salt Lake City, UT (SLC-Salt Lake City Intl.) Salt Lake City 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 Boise, ID (BOI) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
If you booked your Boise, ID (BOI) to Salt Lake City, UT (SLC-Salt Lake City Intl.) 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 | Boise Airport |
|---|---|
Destination airport | Salt Lake City International Airport |
Distance | 289 miles away |
Airlines serving | Alaska Airlines, Delta, Southwest Airlines, United, American Airlines, Frontier Airlines |
Popular airline | Alaska Airlines |
Roundtrip price | $216 |
Average flight time | 1 hour 16 mins |