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$108+ Cheap flights from Salt Lake City to Boise (SLC - BOI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — BOI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Salt Lake City to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Salt Lake City (SLC) to Boise (BOI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$233
(FlightHub)

One-way from

$108
(FlightHub)

Popular in

September

Cheapest in

October

Average price

$458

Good round-trip deal

$299 or less

Good one-way deal

$248 or less
From Salt Lake City to Boise Air Term. Gowen Fld
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One-way flight from Salt Lake City to Boise Air Term. Gowen Fld
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High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Salt Lake City to Boise Air Term. Gowen Fld.
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Price to beat on a one-way flight from Salt Lake City to Boise Air Term. Gowen Fld.
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Find flight deals from Salt Lake City to Boise

Cheapest flights from Salt Lake City to Boise
Explore the most affordable flight options available from Salt Lake City to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/203:05 pmSLC - BOI
1 stop5h 39mSpirit Airlines
Mon 9/229:49 pmBOI - SLC
1 stop16h 21mSpirit Airlines
Deal found 6/10$199
This FlightHub deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/223:05 pmSLC - BOI
1 stop5h 39mMultiple Airlines
Fri 8/2912:27 pmBOI - SLC
1 stop24h 12mMultiple Airlines
Deal found 6/11$233
This Alaska Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2210:53 amSLC - BOI
2 stops12h 19mAlaska Airlines
Mon 10/2711:09 amBOI - SLC
2 stops24h 22mAlaska Airlines
Deal found 6/10$251
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/18:30 pmSLC - BOI
Nonstop1h 10mDelta
Sat 8/166:00 amBOI - SLC
Nonstop1h 10mDelta
Deal found 6/10$259
This Booking.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/196:34 pmSLC - BOI
1 stop17h 12mFrontier
Thu 7/2412:36 pmBOI - SLC
1 stop19h 56mFrontier
Deal found 6/12$266
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2112:16 pmSLC - BOI
1 stop11h 15mAmerican Airlines
Mon 8/255:15 pmBOI - SLC
1 stop18h 15mAmerican Airlines
Deal found 6/11$307
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/246:40 amSLC - BOI
2 stops7h 25mSouthwest
Tue 9/26:00 amBOI - SLC
2 stops7h 30mSouthwest
Deal found 6/10$357
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/104:44 pmSLC - BOI
1 stop21h 07mUnited Airlines
Mon 7/142:39 pmBOI - SLC
1 stop20h 25mUnited Airlines
Deal found 6/10$505

Cheapflights Fare Finder

Customize your flight search to find flights from Salt Lake City to Boise that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Salt Lake City to Boise that are best for you.

Fly from

Salt Lake City

Fly to

Boise

Route

Depart

Return

Price

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Fri 8/22

3:05 pm-8:44 pm

1 stop5h 39m

Boise Air Term. Gowen Fld

Fri 8/29

12:27 pm-12:39 pm

1 stop24h 12m

$233

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Fri 8/1

8:30 pm-9:40 pm

Nonstop1h 10m

Boise Air Term. Gowen Fld

Sat 8/16

6:00 am-7:10 am

Nonstop1h 10m

$259

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Sat 7/19

6:34 pm-11:46 am

1 stop17h 12m

Boise Air Term. Gowen Fld

Thu 7/24

12:36 pm-8:32 am

1 stop19h 56m

$266

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Thu 8/21

12:16 pm-11:31 pm

1 stop11h 15m

Boise Air Term. Gowen Fld

Mon 8/25

5:15 pm-11:30 am

1 stop18h 15m

$307

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Thu 8/21

7:25 pm-11:59 pm

1 stop4h 34m

Boise Air Term. Gowen Fld

Mon 8/25

8:46 pm-12:41 pm

1 stop15h 55m

$342

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Thu 7/3

8:19 pm-8:48 am

1 stop12h 29m

Boise Air Term. Gowen Fld

Mon 7/7

9:43 am-7:24 pm

1 stop9h 41m

$349

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Sun 8/24

7:20 pm-1:10 am

2 stops5h 50m

Boise Air Term. Gowen Fld

Tue 9/2

3:45 pm-10:20 pm

1 stop6h 35m

$352

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Thu 7/10

4:44 pm-1:51 pm

1 stop21h 07m

Boise Air Term. Gowen Fld

Mon 7/14

2:39 pm-11:04 am

1 stop20h 25m

$505

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Thu 7/10

9:52 pm-6:52 pm

1 stop21h 00m

$108

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Wed 9/10

1:42 pm-11:43 am

1 stop22h 01m

$125

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 15 results
1
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Best time to book a flight from Salt Lake City to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Salt Lake City with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Salt Lake City to Boise

What is the cheapest month to book a flight from Salt Lake City to Boise?

Currently, October is the cheapest month in which you can book a flight from Salt Lake City to Boise (average of $314). Flying from Salt Lake City to Boise in June is currently the most expensive (average of $395). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SLC to BOI?

Find hourly flight availability from Salt Lake City to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

One of the essential ways to save on airfare from Salt Lake City to Boise is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 68% on airfare.

Weekly flight availability from Salt Lake City to Boise

Explore weekly flight availability from Salt Lake City to Boise. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from SLC to BOI are scheduled on a Wednesday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Boise by month

Plan your trip to Boise by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boise ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Boise when rainfall is around 0.2 in.

Temperature in Boise by month

Plan your trip to Boise by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boise, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boise. Reviews last updated June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Salt Lake City to Boise to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Salt Lake City to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Salt Lake City to Boise?

    Boise Air Term. Gowen Fld is the airport most travelers will use when flying to Boise from Salt Lake City. Booking flights from Salt Lake City (SLC) to Air Term. Gowen Fld (BOI) should be relatively easy as there are 9 daily flights to Boise from 2 different airlines. 1h 10m is how long a flight from Salt Lake City to Boise Air Term. Gowen Fld will take if you book a nonstop flight.

  • What are the cheapest airlines flying from Salt Lake City to Boise round-trip?

    Currently priced at $259, Delta will fly you from Salt Lake City to Boise and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and American Airlines - these airlines can fly you to your destination from $266 and $307, respectively. These flights start at 31% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Salt Lake City to Boise one-way?

    One-way options have recently been found by users for as low as $108 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $125 and Alaska Airlines from $136 one-way.

  • What are the most reliable airlines from Salt Lake City to Boise?

    No one likes to see their flight delayed. When booking a flight from Salt Lake City to Boise consider choosing Virgin Atlantic (94%), Aeromexico (93%) or Delta (90%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Salt Lake City to Boise?

    While on average a flight from Salt Lake City to Boise is generally $382, our data shows the cheapest flight currently is $248. When looking at the most popular route, (Salt Lake City - Boise Air Term. Gowen Fld), you can expect to pay $209 for that flight.

  • Can I find deals for flights from Salt Lake City to Boise that include hotel bookings?

    Yes. In addition to deals on Salt Lake City to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Salt Lake City to Boise?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Salt Lake City to Boise.

  • Can I find deals for business class flights from Salt Lake City to Boise?

    Yes. Cheapflights offers flight deals from Salt Lake City to Boise by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Salt Lake City to Boise?

    Currently, October is the cheapest month in which you can book a flight from Salt Lake City to Boise (average of $314). Flying from Salt Lake City to Boise in June is currently the most expensive (average of $395). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Salt Lake City?

Book flights to Salt Lake City if you plan to visit one of these locations
Nampa
Meridian
Ontario
McCall
Caldwell

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Top 2 airlines flying from Salt Lake City to Boise

Discover the top 2 airlines that operate flights from Salt Lake City to Boise. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$113Average$174FlexibilityNo cancel feeOn-time65%
DeltaCheapest$289Average$377FlexibilityNo cancel feeOn-timeN/A

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