$61 Cheap Flights from Los Angeles (LAX) to Boise (BOI)

View $61 flight on Mon, Aug 4, 2025Opens in a new window

Popular airlines from Los Angeles Intl. (LAX) to Boise Airport (BOI)

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Cheap Flights from Los Angeles to Boise (LAX-BOI)

Prices were available within the past 7 days and start at $61 for one-way flights and $129 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Mon, Aug 4 - Fri, Aug 8
LAX
Los Angeles
BOI
Boise
$129 Roundtrip, just found
$129
Roundtrip
just found
Select Spirit Airlines flight, departing Mon, Aug 4 from Los Angeles to Boise, returning Fri, Aug 8, priced at $129 just found
Spirit Airlines
Sun, Aug 31 - Sat, Sep 6
LAX
Los Angeles
BOI
Boise
$135 Roundtrip, just found
$135
Roundtrip
just found
Select Spirit Airlines flight, departing Sun, Aug 31 from Los Angeles to Boise, returning Sat, Sep 6, priced at $135 just found
Spirit Airlines
Thu, Sep 25 - Sat, Oct 4
LAX
Los Angeles
BOI
Boise
$137 Roundtrip, found 17 hours ago
$137
Roundtrip
found 17 hours ago
Select Spirit Airlines flight, departing Thu, Sep 25 from Los Angeles to Boise, returning Sat, Oct 4, priced at $137 found 17 hours ago
Spirit Airlines
Fri, Aug 8 - Thu, Aug 14
LAX
Los Angeles
BOI
Boise
$138 Roundtrip, just found
$138
Roundtrip
just found
Select Spirit Airlines flight, departing Fri, Aug 8 from Los Angeles to Boise, returning Thu, Aug 14, priced at $138 just found
Spirit Airlines
Sun, Sep 7 - Sat, Sep 13
LAX
Los Angeles
BOI
Boise
$139 Roundtrip, just found
$139
Roundtrip
just found
Select Spirit Airlines flight, departing Sun, Sep 7 from Los Angeles to Boise, returning Sat, Sep 13, priced at $139 just found
Spirit Airlines
Sun, Sep 14 - Sat, Sep 20
LAX
Los Angeles
BOI
Boise
$140 Roundtrip, just found
$140
Roundtrip
just found
Select Spirit Airlines flight, departing Sun, Sep 14 from Los Angeles to Boise, returning Sat, Sep 20, priced at $140 just found
Hawaiian Airlines
Tue, Aug 12 - Sun, Aug 31
LAX
Los Angeles
BOI
Boise
$197 Roundtrip, found 2 days ago
$197
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Tue, Aug 12 from Los Angeles to Boise, returning Sun, Aug 31, priced at $197 found 2 days ago
Delta
Wed, Oct 8 - Tue, Oct 14
LAX
Los Angeles
BOI
Boise
$197 Roundtrip, just found
$197
Roundtrip
just found
Select Delta flight, departing Wed, Oct 8 from Los Angeles to Boise, returning Tue, Oct 14, priced at $197 just found
United
Wed, Sep 24 - Tue, Sep 30
LAX
Los Angeles
BOI
Boise
$197 Roundtrip, just found
$197
Roundtrip
just found
Select United flight, departing Wed, Sep 24 from Los Angeles to Boise, returning Tue, Sep 30, priced at $197 just found
Southwest Airlines
Wed, Sep 24 - Mon, Sep 29
LAX
Los Angeles
BOI
Boise
$212 Roundtrip, found 2 hours ago
$212
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Wed, Sep 24 from Los Angeles to Boise, returning Mon, Sep 29, priced at $212 found 2 hours ago

Find the cheapest month to fly from Los Angeles (LAX) to Boise (BOI)

August is typically the cheapest month to fly

From $82 - $209 per traveler.

Graph displaying average flight prices per month

Flights from Los Angeles (LAX) to Boise (BOI)
Origin airport
Los Angeles Intl.
Destination airport
Boise
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$129
Distance
675 mi
Average flight time
3 hours 4 mins

Los Angeles to Boise Flights

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

 

The best time to book a flight from Los Angeles to Boise

Sunday is one of the best days to book for cheap flights from Los Angeles 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 Los Angeles 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 Los Angeles to Boise in 2025. You can also book with separate airlines for your outbound and return journeys, from $61 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 Los Angeles 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 Los Angeles 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 Los Angeles Intl. Airport (LAX) to Boise Airport (BOI) cost?
You can find cheap return fares from Los Angeles Intl. Airport (LAX) to Boise Airport (BOI) starting from $173. Grab your seat and get ready to go. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving LAX on August 7 2025 and touching down at BOI. The price was last updated on July 13 2025 and has not changed since.
What is the cheapest month to fly from LAX to BOI?
The cheapest flights from LAX to BOI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Los Angeles Intl. Airport (LAX) to Boise Airport (BOI)?
Avoid the layovers and fly nonstop to Boise Airport (BOI) from Los Angeles Intl. Airport (LAX) with 3 airlines, including:

  • United Airlines
  • Alaska Airlines
  • Delta Air Lines

What is the cheapest airline that flies from LAX to BOI?
With fares starting at $119 for a one-way flight from LAX to BOI, Alaska Airlines is currently the cheapest carrier for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from LAX on October 8 2025. Prices were last updated on July 13 2025 and have not changed since.
How many flights per day from Los Angeles Intl. Airport (LAX) to Boise Airport (BOI)?
With an average of 5 direct flights that operate from Los Angeles Intl. Airport (LAX) to Boise Airport (BOI) each day, you'll be up in the air in no time.
What are the most popular departure times for flights from Los Angeles Intl. Airport (LAX) to Boise Airport (BOI)?
The 10 AM departures from LAX to BOI are typically the busiest. Prices can be higher for these popular slots. If you're hoping to save money, pick a less crowded time to fly.
What day of the week has the most flights from LAX to BOI?
Jet off on a Wednesday if you're looking for the largest selection of flights from Los Angeles Intl. Airport (LAX) to Boise Airport (BOI).
What is the earliest flight from Los Angeles Intl. Airport (LAX) to Boise Airport (BOI)?
Catch the earliest flight at around 9:25AM UTC-8, departing from Los Angeles Intl. Airport (LAX). You'll be flying for roughly 2h 12m, coming in to land at Boise Airport (BOI) at approximately 12:37PM UTC-7.
How long does it take to fly from Los Angeles Intl. Airport (LAX) to Boise Airport (BOI)?
The average flight duration from LAX to BOI is 2 hours and 17 minutes, covering a distance of 680 mi.
What airline has the least delays from LAX to BOI?
United Airlines has the strongest track record for on-time direct flights from Los Angeles Intl. Airport (LAX) to Boise Airport (BOI), with an on-time score of 83%. Use the Expedia App to check your flight schedule before you leave and get notified of any changes.
What is the best time to fly from Los Angeles Intl. Airport (LAX) to Boise Airport (BOI)?
To reach Boise Airport (BOI) without delays, opt for a flight that leaves Los Angeles Intl. Airport (LAX) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Los Angeles Intl. Airport (LAX)?
Explore your flight options from Los Angeles Intl. Airport (LAX) to Boise Airport (BOI). This is the only Boise airport you can fly into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Los Angeles Intl. Airport (LAX) to Boise Airport (BOI) last-minute?
Last-minute fares from LAX to BOI are generally more expensive. To lock in the lowest prices, start searching for flights early. That said, if you're flexible with your travel dates, it's possible to land a cheap fare right before your journey.
Is it cheaper to book a LAX to BOI flight and hotel package?
You'll generally save money by booking a LAX to BOI flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've chosen your ideal accommodations and flights, you can add extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Los Angeles Intl. Airport (LAX) to Boise Airport (BOI)?
If you booked your LAX to BOI flight in 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 after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

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