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Idaho

$47+ Cheap flights from California to Idaho

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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BOI
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from California to Idaho

Keep the following information in mind while searching for California to Idaho flight deals. Data was last updated May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$78
(Booking.com)

One-way from

$47
(Booking.com)

Popular in

December

Cheapest in

October

Average price

$277

Good round-trip deal

$123 or less

Good one-way deal

$88 or less
Provider with most accurate pricing for Los Angeles-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Boise Air Term. Gowen Fld flights.
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From California to Idaho
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One-way flight from California to Idaho
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Highest demand for flights based on searches. 13% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from California to Idaho.
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Price to beat on a one-way flight from California to Idaho.
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Find flight deals from California to Idaho

Cheapest flights from California to Idaho
Explore the most affordable flight options available from California to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This Booking.com deal was found by Cheapflights users on 4/30. 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.
Fri 5/302:38 pmLAX - GEG
Nonstop2h 35mAllegiant Air
Fri 6/65:57 pmGEG - LAX
Nonstop2h 39mAllegiant Air
Deal found 4/30$78
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/262:38 pmLAX - GEG
Nonstop2h 35mMultiple Airlines
Thu 5/299:28 amGEG - LAX
1 stop24h 07mMultiple Airlines
Deal found 4/30$115
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/127:40 pmSNA - BOI
1 stop12h 08mSpirit Airlines
Mon 6/169:43 amBOI - SNA
1 stop7h 44mSpirit Airlines
Deal found 4/30$133
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/54:27 pmSNA - BOI
1 stop17h 54mMultiple Airlines
Sat 6/72:35 pmBOI - SNA
Nonstop2h 17mMultiple Airlines
Deal found 4/30$134
This Delta deal was found by Cheapflights users on 4/30. 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 5/277:05 pmLAX - GEG
Nonstop2h 35mDelta
Fri 5/306:35 amGEG - LAX
Nonstop2h 50mDelta
Deal found 4/30$137
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 5/212:31 pmSFO - BOI
Nonstop1h 40mAlaska Airlines
Sat 5/311:00 pmBOI - SFO
Nonstop1h 44mAlaska Airlines
Deal found 4/30$137
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 5/2910:10 pmLAX - BOI
1 stop12h 11mSpirit Airlines
Mon 6/212:16 pmBOI - LAX
1 stop9h 59mSpirit Airlines
Deal found 4/30$146
This Booking.com deal was found by Cheapflights users on 4/30. 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.
Thu 6/52:38 pmSNA - BOI
Nonstop2h 04mAllegiant Air
Sat 6/72:35 pmBOI - SNA
Nonstop2h 17mAllegiant Air
Deal found 4/30$156
This Hawaiian Airlines deal was found by Cheapflights users on 4/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/204:15 pmSMF - BOI
1 stop5h 27mHawaiian Airlines
Tue 6/35:39 pmBOI - SMF
1 stop5h 02mHawaiian Airlines
Deal found 4/29$156
This Hawaiian Airlines deal was found by Cheapflights users on 4/30. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/237:45 pmLAX - GEG
Nonstop2h 37mHawaiian Airlines
Mon 5/267:10 amGEG - LAX
Nonstop2h 43mHawaiian Airlines
Deal found 4/30$157
This Expedia deal was found by Cheapflights users on 4/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2910:10 pmLAX - BOI
1 stop12h 11mMultiple Airlines
Tue 6/35:51 pmBOI - LAX
Nonstop2h 14mMultiple Airlines
Deal found 4/30$157
This Southwest deal was found by Cheapflights users on 4/30. 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.
Fri 5/307:15 amBUR - BOI
1 stop5h 55mSouthwest
Wed 6/45:25 pmBOI - BUR
1 stop5h 00mSouthwest
Deal found 4/30$158

Cheapflights Fare Finder

Customize your flight search to find flights from California to Idaho 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 May 1, 2025.
Use the filters below to find and compare flights from California to Idaho that are best for you.

Fly from

California

Fly to

Idaho

Route

Depart

Return

Price

Los AngelesSpokane

LAX - GEG

LAXGEG

Los Angeles

Fri 5/30

2:38 pm-5:13 pm

Nonstop2h 35m

Spokane

Fri 6/6

5:57 pm-8:36 pm

Nonstop2h 39m

$78

Los AngelesSpokane

LAX - GEG

LAXGEG

Los Angeles

Mon 5/26

2:38 pm-5:13 pm

Nonstop2h 35m

Spokane

Thu 5/29

9:28 am-9:35 am

1 stop24h 07m

$115

Santa AnaBoise

SNA - BOI

SNABOI

Santa Ana J. Wayne/Orange Cnty

Thu 6/12

7:40 pm-8:48 am

1 stop12h 08m

Boise Air Term. Gowen Fld

Mon 6/16

9:43 am-4:27 pm

1 stop7h 44m

$133

Santa AnaBoise

SNA - BOI

SNABOI

Santa Ana J. Wayne/Orange Cnty

Thu 6/5

4:27 pm-11:21 am

1 stop17h 54m

Boise Air Term. Gowen Fld

Sat 6/7

2:35 pm-3:52 pm

Nonstop2h 17m

$134

Los AngelesSpokane

LAX - GEG

LAXGEG

Los Angeles

Tue 5/27

7:05 pm-9:40 pm

Nonstop2h 35m

Spokane

Fri 5/30

6:35 am-9:25 am

Nonstop2h 50m

$137

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Wed 5/21

2:31 pm-5:11 pm

Nonstop1h 40m

Boise Air Term. Gowen Fld

Sat 5/31

1:00 pm-1:44 pm

Nonstop1h 44m

$137

Los AngelesBoise

LAX - BOI

LAXBOI

Los Angeles

Thu 5/29

10:10 pm-11:21 am

1 stop12h 11m

Boise Air Term. Gowen Fld

Mon 6/2

12:16 pm-9:15 pm

1 stop9h 59m

$146

SacramentoBoise

SMF - BOI

SMFBOI

Sacramento Intl

Tue 5/20

4:15 pm-10:42 pm

1 stop5h 27m

Boise Air Term. Gowen Fld

Tue 6/3

5:39 pm-9:41 pm

1 stop5h 02m

$156

Santa AnaBoise

SNA - BOI

SNABOI

Santa Ana J. Wayne/Orange Cnty

Thu 6/5

2:38 pm-5:42 pm

Nonstop2h 04m

Boise Air Term. Gowen Fld

Sat 6/7

2:35 pm-3:52 pm

Nonstop2h 17m

$156

Los AngelesSpokane

LAX - GEG

LAXGEG

Los Angeles

Fri 5/23

7:45 pm-10:22 pm

Nonstop2h 37m

Spokane

Mon 5/26

7:10 am-9:53 am

Nonstop2h 43m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 60 results
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Best time to book a flight from California to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho 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 Idaho

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

Currently, October is the cheapest month in which you can book a flight from California to Idaho (average of $314). Flying from California to Idaho in June is currently the most expensive (average of $406). 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 ID?

Find hourly flight availability from California to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from California to Idaho as you normally would.

Weekly flight availability from California to Idaho

Explore weekly flight availability from California to Idaho. 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 May 1, 2025.

The most flights from USCA to USID are scheduled on a Monday (28 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 on average).

Rainfall in Idaho by month

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

In terms of precipitation, rainfall in Idaho 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 Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

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

If weather is an important factor for your trip to Idaho, 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 Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated May 1, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from California to Idaho to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

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
9,968 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

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
4,294 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

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
7,934 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,408 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

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 California to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this California to Idaho flight route?

    The California to Idaho flight path was viewed by 17 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    $47 is the cheapest one-way deal found within the past few days, from Allegiant Air. You may also be able to find cheap deals on Spirit Airlines and Hawaiian Airlines, with prices starting from $61 and $69, respectively.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from California to Idaho (average of $314). Flying from California to Idaho in June is currently the most expensive (average of $406). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for California to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from California to Idaho

Discover the top 9 airlines that operate flights from California to Idaho. 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Avelo AirlinesCheapest$71Average$156FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$78Average$158FlexibilityNo cancel feeOn-time65%
DeltaCheapest$79Average$472FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$84Average$270FlexibilityNo cancel feeOn-time85%
Allegiant AirCheapest$95Average$202FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$123Average$358FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$147Average$323FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$154Average$424FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$198Average$372FlexibilityNo cancel feeOn-time71%

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