$39 Find Cheap Flights from Idaho to California

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Low seasonJanuary
High seasonDecember
Cheapest flight$39
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly with an average 15% increase in price.
Flight from Spokane to Los Angeles

FAQs for booking flights from Idaho to California

  • How does KAYAK find such low prices on flights from Idaho to California?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Idaho to California.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to California?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Idaho to California is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Idaho to California?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Idaho to California with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho to California?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Idaho to California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which is the cheapest airport to fly into in California?

    Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in California is Santa Ana J. Wayne/Orange Cnty Airport (SNA), with an average flight price of $115.

  • What is the cheapest day to fly to California?

    Based on KAYAK data, the cheapest day to fly to California is Thursday where round-trip tickets can be as cheap as $386. On the other hand, the most expensive day to fly is Tuesday, where round-trip prices are $570 on average.

  • What is the cheapest time of day to fly to California?

    The cheapest time of day to fly to California is generally in the evening, when round-trip flights cost $370 on average. Morning departures are around 39% more expensive than evening flights, on average. The most expensive time of day to fly to California is generally in the morning, which is peak travel time and where the average cost of a ticket is $515.

  • What is the cheapest flight to California?

    The cheapest ticket to California from Idaho found in the last 72 hours was to Santa Ana, at $68 round-trip. The most popular route is Boise (BOI) to San Francisco (SFO) and the cheapest round-trip airline ticket found on this route in the last 72 hours was $169.

  • What is the cheapest month to fly from Idaho to California?

    The cheapest month for flights from Idaho to California is September, when tickets cost $233 (return) on average. On the other hand, the most expensive months are December and March, when the average cost of round-trip tickets is $337 and $316 respectively.

  • How far in advance should I book a flight from Idaho to California?

    To get a below average price on the flight from Idaho to California, you should book around 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

  • How long is the flight to California?

    An average nonstop flight from Idaho to California takes 3h 20m, covering a distance of 694 miles. The shortest route is Boise (BOI) to Sacramento (SMF) with an average flight time of 1h 25m.

  • What are the most popular destinations in California?

    Based on KAYAK flight searches, the most popular destination is Las Vegas (23% of total searches to California). The next most popular destinations are Los Angeles (18%) and San Diego (11%). Searches for flights to Santa Ana (10%), to San Francisco (9%) and to Ontario (6%) are also popular.

Reviews of the top 5 airlines serving from Idaho to California

 
Need help choosing which airline to fly with from Idaho to California? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Alaska AirlinesOverall score based on 10000 reviews
7.8Comfort
7.1Food
8.1Boarding
8.5Crew
7.1Entertainment
Airline reviews

Passengers were not informed timely of delays. The staff appeared like they didn't really care about the passengers.

6.0 GoodDarrilynn, Jun 2025SEA - SFO
Read more Alaska Airlines reviews

Passengers were not informed timely of delays. The staff appeared like they didn't really care about the passengers.

Both flights were delayed going to our destination and leaving, and communication about the delays was not great by the airlines, now the crews were phenomenal and great to be around!!

Delayed. It's not our first flight with them either, it's actually our 3rd and all 3 were delayed by hours each time. It was a myriad of delays. On one flight we boarded after being delayed for a little over an hr, only to be told we were going to sit in the plane for another hour before departing. Once landed, we waited another 40ish min to get to our gate. On another flight, flight was delayed just under 3 hrs but atleast we got to wait it out at the airport terminal. Its just a bad experience overall flying with Alaska Airlines.

Flight was delayed for weather, then delayed for mechanical, then just cancelled. Once mechanical problems started I wish you had just started offering rebooking options (at the same airport). I felt my trip was not a priority for you. I called you, I asked for a better option (than changing airports), then I had to literally run around the airport making it happen. Do better.

I would've liked to have the seat tablets like before to view movies, with long travels not everyone carries tablets to view movies. And phones are not worth it because screens to small.

Horrible! No blanket or pillow available! We had bulkhead seats but the seats were worn out and no cushion old. No meal or even a sandwich for our 5 hour flight just a little bag of pretzels. Crabby attendant female with long brown hair. We will not book Alaska Airlines again

On time, smooth take off and landing, efficient boarding. Gate staff excellent, stewardess grumpy, but civil enough.

No WiFi available. It was too late to order food also. Guy next to me was huge (not fat) so had his shoulder & thigh next to me the whole way. Plane was delayed leaving PDX due to 8 other planes waiting. Not my best Alaska airlines flight.

I do wish the the actual airplane I flew on was bigger. But, I made it work.

It is very bad they do not give you money back

It was a perfect flight in all aspects! Both legs!

Boarding process, crew were good. But the seats were so uncomfortable that was all I could focus on. I literally had to sit forward so that all 3 of us could fit in row. I will try to avoid Southwest in the future for any flights over 60 minutes.

Great flight, 47 passengers on a 180 seat plane. Stewardess was pleasant and cheerful.

Great experience flying Southwest. The crew was really kind and helpful, and very friendly with our toddler.

Plane late from DC to Austin 30 minutes. Crew made up much of the time enroute to San Diego.

Fine, but how to board on SW versus othrr airlines, is just lame. Goood staff though and all was solid otherwise.

Was as expected. Crowed planes. Too many carryons delaying takeoff. But the ride only took an hour and saved me a lot of time SFO is a not a great airport.

Was as expected. Crowed planes. Too many carryons delaying takeoff. But the ride only took an hour and saved me a lot of time SFO is a hell hole of an airport. It is the new LaGuardia. Everything Cobbled together. Security gates closed. Terri directional signage

I will be flying again Southwest Airlines. Friendly crew, comfortable and affordable.

The plane arrived 25 minutes late, and the Wi-Fi was slower than it usually is.

5 hours of delay that could've been much shorter if Delta had taken the 1 hour delay they imposed on the flight before boarding to run any of the plane checks required for flight to find the hydraulic issue that required nearly 3 hours to fix. $24 of meal credit buys a sandwich and a soft drink. Poor communication within the terminal about what gate we'd be re-boarding from and when we'd be re-boarding.

The entertainment and wifi mostly didn't work on this flight.

Terrible entertainment system - kept freezing and audio kept cutting out. Snacks were mediocre at best for a 5 hour flight.

I am still upset that my bag was lost on a recent trip to Rome ; we were inconvenienced and out €150 Euros ; delta has refused to reimburse us

This had nothing to do with Delta… The flights were on time and flawless. The service was excellent. We purchased seats in (aisle/middle) comfort plus since this was a cross country flight. Unfortunately, the woman seated at the window was 300+ pounds and, as might be expected, covered up about a third of the middle seat also. there was absolutely nothing that Delta could have done about that… I just don’t know what the answer should be. If you purchase a seat, you should should be able to use the entire seat and not just the portion that someone else is not sitting/oozing in. Disappointing…there should be something that could be done….I'm just not sure what solution could be.

Seats are much much more comfortable than United, which is what I usually fly

If I pay extra for "comfort+" I expect leg room where I can stretch my legs. I was seated with an attendant's seat blocking my feet. Knee space was fine but my feet had less room than the non-"comfort+" seats. Also, don't go cheap on food when you have flights of 3+ hours. It's insulting.

Only one side of the heafphone jack work. Crew was friendly and helpful.

My husband is very tall and we generally fly Delta Comfort. We used our companion benefit, and our seats were coach and extremely uncomfortable........ horrid even

Great. Flight departed early and arrived early. Deplaning and baggage claim ww were quick.

Boarding was mayhem. Late boarding by 15 minutes because of lack of staff (missing 1 flight attendant. We had to wait for an arrival of another plane before we could board). Flight was a little rough, but cannot blame on airlines.

Great experience…left a bit behind schedule but made up fir that in the air and landed 10 minutes early 😁

United out of SFO is having issues with catering so none of our meals were loaded on the plane and no offer of compensation for our tickets purchased was offered.

A bit rush for transit. Food and entertainment are not available

The gate was too far away for the connecting flight

Generally good. The aisles have gotten narrower which can slow down boarding. Flight crew was great! Healthier complimentary snacks would be appreciated. Due to earthquake in San Francisco we had to circle in air space for a bit but then had a smooth landing. I laud the flight crew for their patience ;)

The agents was very rude and they charged me $50 for a carry-on bag saying that it was too big and then I saw someone going on a plane with the same size bag as me

For the most part united was a good experience, how ever when they came by with the snacks and water, they completely passed by my wife and I. As we were in separate rows. On a 5 hr flight we were not offered water

Fantastic crew. Flight was delayed at last minute but we were given updates every 20 minutes and the crew was so friendly and considerate. I miss the touch screens on the back of the seats, wish they would bring that back though.

Awful. Worst airline I have ever been on. Crew were among the rudest people I have ever dealt with. United staff members were rude and disrespectful. My flight was delayed, causing me to miss a connecting flight. I understand things happen, but when staff start lying about what actually happened, that is when I have an issue. Just be honest, really it isn’t that hard. I’m being very honest with this review and I don’t find this difficult what so ever. In fact, because of United Airlines, my Christmas holiday was off to a really rocky start. As someone who has traveled across the world, it has only been United that I have had a truly awful experience.

Tight! Seats are not designed for those of us who wear extra-large clothes.

The non-stop flight from Grand Rapids was excellent. I neither expected or needed a budget flight and Allegiant made the trip easy and for an affordable price, Arriving at the Mesa Airport (AZA) is a delight compared to the international airport. For our return flight, we were able to arrive 75 minutes before the flight, return the rental car, check our bag and make it to the gate in plenty of time. That would never happen at most airports.

Easiest flights I’ve ever taken. Plane was comfortable without overly crowded seating.

Terrible. Still have not received the refund from them. They sent it to some account that I don't even know. Spoke with costumer service and they are unable to help.

I didn’t like it at all. I miss my second flight because of the delay on Allegiant Air now I m stuck in MCO.

Good, but a bit late on take off after loading. Don't like charging for carry ons!

First time flying with them and will definitely fly again in the future. Crew was so nice and friendly, fought was seamless. They are simple planes, no entertainment, but it’s fine for a short flight or if you have personal devices Rates are competitive, and they did so well with keeping the flight on time after a tropical storm, where other airlines had delays and cancellations.

They boarded passengers that sat in the back of the plane first, making boarding very efficient.

I didn't even take this flight. My plans changed and I couldn't get ahold of customer service and the website kept breaking down during the attempt to change the flight. I wound up taking another airline entirely and eating the cost.

The worst flying experience ever 3 delays. No accommodations. Had to deboard the plane after being delayed.

Book cheap flights from Idaho to California

Recent round-trip flight deals

8/1Fri
nonstopAllegiant Air
2h 39mGEG-LAX
8/4Mon
nonstopAllegiant Air
2h 35mLAX-GEG
$78
8/25Mon
nonstopAllegiant Air
2h 39mGEG-LAX
9/1Mon
nonstopAllegiant Air
2h 35mLAX-GEG
$79
8/14Thu
nonstopAlaska Airlines
1h 49mBOI-SFO
8/18Mon
nonstopAlaska Airlines
1h 34mSFO-BOI
$156
8/5Tue
nonstopAlaska Airlines
2h 00mBOI-LAS
8/5Tue
nonstopAlaska Airlines
1h 55mLAS-BOI
$156
8/26Tue
nonstopDelta
2h 56mGEG-LAX
8/30Sat
nonstopDelta
2h 33mLAX-GEG
$157
10/25Sat
1 stopDelta
7h 17mGEG-SAN
11/1Sat
1 stopDelta
5h 44mSAN-GEG
$157
9/6Sat
2 stopsSouthwest
7h 00mGEG-SAN
9/13Sat
1 stopSouthwest
6h 35mSAN-GEG
$162
8/24Sun
1 stopSouthwest
6h 10mGEG-SAN
8/26Tue
2 stopsSouthwest
8h 10mSAN-GEG
$172
8/7Thu
nonstopUnited Airlines
1h 50mBOI-SFO
8/10Sun
nonstopUnited Airlines
1h 41mSFO-BOI
$177
7/19Sat
nonstopUnited Airlines
1h 50mBOI-SFO
7/20Sun
nonstopUnited Airlines
1h 43mSFO-BOI
$229

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Recent one-way flight deals

8/1Fri
nonstopAllegiant Air
2h 39mGEG-LAX
$39
7/18Fri
nonstopAllegiant Air
2h 39mGEG-LAX
$40
10/19Sun
nonstopAlaska Airlines
2h 01mBOI-LAS
$68
9/25Thu
nonstopSouthwest
2h 20mGEG-LAS
$69
8/19Tue
1 stopAlaska Airlines
5h 05mGEG-LAS
$78
10/19Sun
1 stopDelta
5h 17mBOI-LAS
$79
7/17Thu
nonstopSouthwest
2h 20mGEG-LAS
$79
9/18Thu
1 stopDelta
8h 02mGEG-LAS
$84
7/16Wed
nonstopUnited Airlines
1h 54mBOI-SFO
$99
8/29Fri
1 stopUnited Airlines
5h 28mBOI-LAX
$119

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Last minute flights from Idaho to California

Last minute flight, train and bus deals

6/20Fri
nonstopAllegiant Air
2h 39mGEG-LAX
6/23Mon
nonstopAllegiant Air
2h 35mLAX-GEG
$133
6/20Fri
nonstopAllegiant Air
2h 39mGEG-LAX
6/23Mon
nonstopAllegiant Air
2h 35mLAX-GEG
$160
6/22Sun
multi-stopAlaska Airlines
5h 05mGEG-LAS
7/6Sun
multi-stopAlaska Airlines
6h 28mLAS-GEG
$332
6/22Sun
multi-stopDelta
6h 40mGEG-LAS
7/6Sun
multi-stopDelta
5h 50mLAS-GEG
$336
6/22Sun
multi-stopAlaska Airlines
5h 56mGEG-LAS
6/25Wed
multi-stopAlaska Airlines
4h 36mLAS-GEG
$345
6/20Fri
multi-stopUnited Airlines
7h 23mGEG-LAX
6/23Mon
multi-stopUnited Airlines
6h 04mLAX-GEG
$403
6/21Sat
multi-stopUnited Airlines
5h 14mGEG-LAX
6/24Tue
multi-stopUnited Airlines
7h 04mLAX-GEG
$407
6/20Fri
multi-stopDelta
5h 06mGEG-LAX
6/23Mon
multi-stopDelta
4h 59mLAX-GEG
$412
6/22Sun
multi-stopSouthwest
6h 05mGEG-SAN
6/24Tue
multi-stopSouthwest
4h 00mSAN-GEG
$426
6/20Fri
multi-stopSouthwest
4h 05mGEG-LAX
6/23Mon
multi-stopSouthwest
9h 25mLAX-GEG
$428

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Everything you need to know for your flight to California

Cabin class types available on flights to Idaho

Cabin classes available on flights to Idaho. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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