$29 Cheap Flights from Las Vegas (LAS) to Boise (BOI)

View $29 flight on Fri, Sep 19, 2025Opens in a new window

Popular airlines from Harry Reid Intl. Airport (LAS) to Boise Airport (BOI)

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Cheap Flights from Las Vegas to Boise (LAS-BOI)

Prices were available within the past 7 days and start at $29 for one-way flights and $58 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Thu, Sep 25 - Sun, Sep 28
LAS
Las Vegas
BOI
Boise
$58 Roundtrip, just found
$58
Roundtrip
just found
Select Spirit Airlines flight, departing Thu, Sep 25 from Las Vegas to Boise, returning Sun, Sep 28, priced at $58 just found
Spirit Airlines
Fri, Sep 19 - Fri, Sep 26
LAS
Las Vegas
BOI
Boise
$65 Roundtrip, found 2 hours ago
$65
Roundtrip
found 2 hours ago
Select Spirit Airlines flight, departing Fri, Sep 19 from Las Vegas to Boise, returning Fri, Sep 26, priced at $65 found 2 hours ago
Spirit Airlines
Thu, Oct 2 - Mon, Oct 6
LAS
Las Vegas
BOI
Boise
$72 Roundtrip, found 3 hours ago
$72
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Thu, Oct 2 from Las Vegas to Boise, returning Mon, Oct 6, priced at $72 found 3 hours ago
Spirit Airlines
Mon, Sep 22 - Mon, Sep 29
LAS
Las Vegas
BOI
Boise
$77 Roundtrip, found 1 day ago
$77
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Mon, Sep 22 from Las Vegas to Boise, returning Mon, Sep 29, priced at $77 found 1 day ago
Spirit Airlines
Thu, Oct 2 - Sun, Oct 5
LAS
Las Vegas
BOI
Boise
$84 Roundtrip, just found
$84
Roundtrip
just found
Select Spirit Airlines flight, departing Thu, Oct 2 from Las Vegas to Boise, returning Sun, Oct 5, priced at $84 just found
Spirit Airlines
Sat, Sep 13 - Mon, Sep 15
LAS
Las Vegas
BOI
Boise
$87 Roundtrip, found 3 hours ago
$87
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Sat, Sep 13 from Las Vegas to Boise, returning Mon, Sep 15, priced at $87 found 3 hours ago
Frontier Airlines
Thu, Sep 18 - Mon, Sep 22
LAS
Las Vegas
BOI
Boise
$88 Roundtrip, found 2 hours ago
$88
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Sep 18 from Las Vegas to Boise, returning Mon, Sep 22, priced at $88 found 2 hours ago
Southwest Airlines
Sat, Sep 27 - Sun, Sep 28
LAS
Las Vegas
BOI
Boise
$104 Roundtrip, found 1 day ago
$104
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Sat, Sep 27 from Las Vegas to Boise, returning Sun, Sep 28, priced at $104 found 1 day ago
American Airlines
Wed, Sep 24 - Sat, Sep 27
LAS
Las Vegas
BOI
Boise
$109 Roundtrip, found 3 days ago
$109
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Sep 24 from Las Vegas to Boise, returning Sat, Sep 27, priced at $109 found 3 days ago
Delta
Fri, Oct 3 - Mon, Oct 6
LAS
Las Vegas
BOI
Boise
$112 Roundtrip, found 1 hour ago
$112
Roundtrip
found 1 hour ago
Select Delta flight, departing Fri, Oct 3 from Las Vegas to Boise, returning Mon, Oct 6, priced at $112 found 1 hour ago

Find the cheapest month to fly from Las Vegas (LAS) to Boise (BOI)

November is typically the cheapest month to fly

From $42 - $277 per traveler.

Graph displaying average flight prices per month

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 $189
BOI
Boise Airport
CheapestClosest
Average driving time to city center8 min
Flights from $189
Flights from Las Vegas (LAS) to Boise (BOI)
Origin airport
Harry Reid Intl.
Destination airport
Boise
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$58
Distance
520 mi
Average flight time
3 hours 5 mins

Las Vegas to Boise Flights

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

 

The best time to book a flight from Las Vegas to Boise

Sunday is one of the best days to book for cheap flights from Las Vegas 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 Las Vegas 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 Las Vegas to Boise in 2025. You can also book with separate airlines for your outbound and return journeys, from $29 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 Las Vegas 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 Las Vegas 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 Harry Reid Intl. Airport (LAS) to Boise Airport (BOI) cost?
Lock in a cheap one-way flight from $29 or cheap return flight from $58 from Harry Reid Intl. Airport (LAS) to Boise Airport (BOI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Harry Reid Intl. Airport (LAS) to Boise Airport (BOI)?
September is the cheapest month to fly from LAS to BOI. Avoiding peak travel times is often the key to finding better fares.
Which airlines fly direct from Harry Reid Intl. Airport (LAS) to Boise Airport (BOI)?
Fly straight to Boise Airport (BOI). 3 airlines operate direct flights from Harry Reid Intl. Airport (LAS), including:

  • Southwest Airlines
  • Spirit Airlines
  • Alaska Airlines

What is the cheapest airline that flies from Harry Reid Intl. Airport (LAS) to Boise Airport (BOI)?
The cheapest airline to offer flights between Harry Reid Intl. Airport (LAS) and Boise Airport (BOI) can change depending on when you plan to fly. Spirit Airlines and Alaska Airlines are just some good options offering well-priced fares. Use Expedia's filters to compare airlines in one place and find the right LAS to BOI flight for your budget.
How many flights per day from Harry Reid Intl. Airport (LAS) to Boise Airport (BOI)?
When flying out of Harry Reid Intl. Airport (LAS), you'll have your pick from an average of 4 daily nonstop flights to Boise Airport (BOI).
What are the most popular departure times for flights from Harry Reid Intl. Airport (LAS) to Boise Airport (BOI)?
Flights between LAS and BOI are busiest at 3 PM. If you want a quieter trip and potentially cheaper fares, choose a departure outside the usual busy windows.
What day of the week has the most flights from LAS to BOI?
Jet off on a Sunday if you're looking for the biggest selection of flights from Harry Reid Intl. Airport (LAS) to Boise Airport (BOI).
What is the earliest flight from Harry Reid Intl. Airport (LAS) to Boise Airport (BOI)?
Catch the earliest flight at around 6:45AM UTC-8, heading out of Harry Reid Intl. Airport (LAS). You'll be in the air for roughly 2h 4m, reaching Boise Airport (BOI) at approximately 9:49AM UTC-7.
How long does it take to fly from Harry Reid Intl. Airport (LAS) to Boise Airport (BOI)?
It takes about 1 hour and 54 minutes to travel the 520 mi from LAS to BOI.
What is the best time to fly from Harry Reid Intl. Airport (LAS) to Boise Airport (BOI)?
Select a flight from Harry Reid Intl. Airport (LAS) to Boise Airport (BOI) that takes off before 3 PM to reduce the risk of cancellations. Departures after this time are on average 22% more likely to be canceled.**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 Harry Reid Intl. Airport (LAS)?
Boise Airport (BOI) is the only airport in Boise with direct flights from Harry Reid Intl. Airport (LAS). Check out your options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Harry Reid Intl. Airport (LAS) to Boise Airport (BOI) last-minute?
Holding off until just before your departure to book a ticket from LAS to BOI generally means paying more. While it's possible to find some last-minute discounts, they're not always guaranteed. Keep your travel plans flexible to boost your chances of getting a bargain.
Is it cheaper to book a LAS to BOI flight and hotel package?
Booking a LAS to BOI flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Choose from our extensive range of accommodations and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Harry Reid Intl. Airport (LAS) to Boise Airport (BOI)?
In most cases, you can cancel or modify your LAS to BOI flight. However, additional fees may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you need more information, head to our Customer Service portal.

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*Available to One Key members.