Boise

$63+ Cheap flights from California to Boise (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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BOI
May 5 — May 121
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Cheap flight deals from California to Boise

Cheapest flights from California to Boise
Explore the most affordable flight options available from California to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 5, 2026.

This Southwest deal was found by Cheapflights users on 4/1. 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.
Wed 4/221:20 pm
SAN
-
BOI
Nonstop2h 20m
Southwest
Fri 4/248:50 am
BOI
-
SAN
Nonstop2h 15m
Southwest
Deal found 4/1$133
This Alaska Airlines deal was found by Cheapflights users on 4/3. 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 4/292:59 pm
ONT
-
BOI
Nonstop2h 00m
Alaska Airlines
Wed 5/61:15 pm
BOI
-
ONT
Nonstop2h 04m
Alaska Airlines
Deal found 4/3$137
This Southwest deal was found by Cheapflights users on 4/1. 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.
Wed 4/221:20 pm
SAN
-
BOI
Nonstop2h 20m
Southwest
Sat 4/253:25 pm
BOI
-
SAN
1 stop3h 35m
Southwest
Deal found 4/1$139
This Southwest deal was found by Cheapflights users on 4/1. 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.
Wed 4/221:20 pm
SAN
-
BOI
Nonstop2h 20m
Southwest
Sun 4/266:30 am
BOI
-
SAN
1 stop5h 45m
Southwest
Deal found 4/1$143
This CheapOair deal was found by Cheapflights users on 4/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1312:29 am
LAS
-
BOI
1 stop10h 58m
Frontier
Sun 5/171:22 pm
BOI
-
LAS
1 stop18h 48m
Frontier
Deal found 4/1$151
This Delta deal was found by Cheapflights users on 4/1. 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 5/83:15 pm
SAN
-
BOI
1 stop6h 43m
Delta
Sun 5/1012:55 pm
BOI
-
SAN
1 stop4h 01m
Delta
Deal found 4/1$153
This Delta deal was found by Cheapflights users on 4/2. 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.
Tue 6/97:13 pm
SAN
-
BOI
1 stop3h 56m
Delta
Sat 6/133:31 pm
BOI
-
SAN
1 stop8h 07m
Delta
Deal found 4/2$157
This Delta deal was found by Cheapflights users on 4/3. 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.
Wed 4/2911:53 am
ONT
-
BOI
1 stop8h 31m
Delta
Sat 5/26:16 pm
BOI
-
ONT
1 stop5h 27m
Delta
Deal found 4/3$157
This United Airlines deal was found by Cheapflights users on 4/3. 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.
Tue 5/56:57 pm
LAX
-
BOI
Nonstop2h 19m
United Airlines
Tue 5/128:02 am
BOI
-
LAX
Nonstop2h 21m
United Airlines
Deal found 4/3$157
This Cheapflightsfares deal was found by Cheapflights users on 4/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/411:13 am
SNA
-
BOI
Nonstop2h 04m
Allegiant Air
Sat 6/132:07 pm
BOI
-
SNA
Nonstop2h 19m
Allegiant Air
Deal found 4/3$158
This United Airlines deal was found by Cheapflights users on 4/4. 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.
Sat 4/259:46 am
SAN
-
BOI
1 stop6h 02m
United Airlines
Wed 4/297:11 am
BOI
-
SAN
1 stop4h 09m
United Airlines
Deal found 4/4$159
This Cheapflightsfares deal was found by Cheapflights users on 3/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/411:13 am
SNA
-
BOI
Nonstop2h 04m
Allegiant Air
Sat 6/62:07 pm
BOI
-
SNA
Nonstop2h 19m
Allegiant Air
Deal found 3/31$161

Find flight deals from California to Boise

Keep the following information in mind while searching for California to Boise flight deals. Data was last updated April 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$133
(Southwest)

One-way from

$63
(Cheapflightsfares)

Popular in

February

Cheapest in

April

Average price

$217

Good round-trip deal

$172 or less

Good one-way deal

$88 or less
Provider with most accurate pricing for Los Angeles-Boise Air Term. Gowen Fld flight deals.
Provider most trusted by Cheapflights users for Los Angeles-Boise Air Term. Gowen Fld flights.
From California to Boise Air Term. Gowen Fld
One-way flight from California to Boise Air Term. Gowen Fld
Highest demand for flights based on searches. 6% potential increase in price ($19 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in April 2026
Price to beat on a round-trip flight from California to Boise Air Term. Gowen Fld.
Price to beat on a one-way flight from California to Boise Air Term. Gowen Fld.

Cheapflights Fare Finder

 
Customize your flight search to find flights from California 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 April 5, 2026.
Use the filters below to find and compare flights from California to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioBoise

ONT - BOI

ONTBOI

Ontario

Fri 5/1

2:59 pm-5:59 pm

Nonstop2h 00m

Boise Air Term. Gowen Fld

Sat 5/16

4:14 pm-5:17 pm

Nonstop2h 03m

$167

OntarioBoise

ONT - BOI

ONTBOI

Ontario

Tue 5/5

9:05 am-2:40 pm

1 stop4h 35m

Boise Air Term. Gowen Fld

Tue 5/5

4:05 pm-9:45 pm

1 stop6h 40m

$177

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Mon 6/15

4:18 pm-10:28 pm

1 stop5h 10m

Boise Air Term. Gowen Fld

Thu 6/18

6:08 pm-10:38 pm

1 stop5h 30m

$181

OntarioBoise

ONT - BOI

ONTBOI

Ontario

Fri 5/22

7:48 pm-10:47 pm

Nonstop1h 59m

Boise Air Term. Gowen Fld

Sat 5/23

4:14 pm-5:17 pm

Nonstop2h 03m

$187

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Sat 4/25

8:55 am-4:15 pm

1 stop6h 20m

Boise Air Term. Gowen Fld

Mon 4/27

1:20 pm-2:05 pm

Nonstop1h 45m

$197

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Fri 5/22

1:30 pm-8:34 pm

1 stop6h 04m

Boise Air Term. Gowen Fld

Sun 5/24

6:00 am-8:54 am

1 stop3h 54m

$197

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Fri 4/24

7:44 pm-10:27 pm

Nonstop1h 43m

Boise Air Term. Gowen Fld

Tue 4/28

9:02 am-9:58 am

Nonstop1h 56m

$197

Los AngelesBoise

LAX - BOI

LAXBOI

Los Angeles

Tue 4/21

6:35 am-12:30 pm

1 stop4h 55m

Boise Air Term. Gowen Fld

Tue 4/21

4:05 pm-10:00 pm

1 stop6h 55m

$197

OntarioBoise

ONT - BOI

ONTBOI

Ontario

Sat 6/6

5:55 pm-11:04 pm

1 stop4h 09m

Boise Air Term. Gowen Fld

Mon 6/8

8:42 am-1:08 pm

1 stop5h 26m

$197

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Sat 5/2

1:50 pm-10:05 pm

1 stop7h 15m

Boise Air Term. Gowen Fld

Sat 5/9

11:00 am-3:25 pm

1 stop5h 25m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/4

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from California to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from California 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 California to Boise

What is the cheapest month to book a flight from California to Boise?

Currently, May is the cheapest month in which you can book a flight from California to Boise (average of $65). Flying from California to Boise in December is currently the most expensive (average of $142). 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 CA to BOI?

Find hourly flight availability from California 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 April 5, 2026.

It’s typically best to fly out from California to Boise at noon. Doing so could potentially save you 16% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from California to Boise?

Use this chart to determine the cheapest time to fly round-trip from California to Boise. Price data was last updated on April 4, 2026.

Travelers seeking maximum savings on their California to Boise flight should consider departing on Sunday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from California to Boise

Explore weekly flight availability from California 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 April 5, 2026.

The most flights from USCA to BOI are scheduled on a Friday (22 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (17 on average).

How much does it cost to fly round-trip from California to Boise?

Related info for your journey

Find useful and relevant information for your journey from California to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Boise from California?

    Boise Air Term. Gowen Fld (BOI) is the airport you will fly into if you book a flight from California to Boise. It is only a 3.3 mi journey from Air Term. Gowen Fld (BOI) to Boise’s city center.

  • How popular is this California to Boise flight route?

  • How long is the flight from California to Boise?

    Airlines like Allegiant Air, Alaska Airlines, and Southwest fly from California to Boise in about 2h. The time it takes to get you to your destination can typically vary by up to 2h 35m. The distance between California and Boise is about 661 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from California to Boise one-way?

    $59 is the cheapest one-way deal found within the past few days, from Hawaiian Airlines. You may also be able to find cheap deals on Southwest and Alaska Airlines, with prices starting from $68 and $68, respectively.

  • What are the most popular routes from California to Boise?

  • What are the most reliable airlines from California to Boise?

    Consider Qantas Airways (93%), British Airways (93%) or Qatar Airways (93%) when booking your flight. These represent the most reliable airlines when flying from California to Boise.

  • What are the cheapest flights from California to Boise?

    The cheapest flight price from California to Boise is $98. On average you can expect to pay $270. The most popular route, (Los Angeles - Boise Air Term. Gowen Fld), can usually be booked for $157.

  • Can I find deals for flights from California to Boise that include hotel bookings?

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

  • How can I find direct flights from California to Boise?

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

  • Can I find deals for business class flights from California to Boise?

    Yes. Cheapflights offers flight deals from California 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 California to Boise?

    Currently, May is the cheapest month in which you can book a flight from California to Boise (average of $65). Flying from California to Boise in December is currently the most expensive (average of $142). 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 Boise?

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

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Top 8 airlines flying from California to Boise

Discover the top 8 airlines that operate flights from California 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 April 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$49Average$257FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$78Average$240FlexibilityNo cancel feeOn-time85%
Spirit AirlinesCheapest$78Average$149FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$107Average$236FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$119Average$293FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$129Average$304FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$147Average$316FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$357Average$567FlexibilityNo cancel feeOn-time71%

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