$49 Find Cheap Flights from Idaho Falls to California - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Idaho Falls to California departing on 8/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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Cheap Flights from Idaho Falls to California

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Los Angeles
Los Angeles1 stop$185
San Francisco
San Francisco1 stop$227
San Diego
San Diego1 stop$195
San Jose
San Jose1 stop$345
Fresno
Fresno1 stop$327
San Luis Obispo
San Luis Obispo1 stop$433
Reno
Reno1 stop$311
Los Angeles
Los Angeles1 stop$185
San Francisco
San Francisco1 stop$227
San Diego
San Diego1 stop$195
San Jose
San Jose1 stop$345
Fresno
Fresno1 stop$327
San Luis Obispo
San Luis Obispo1 stop$433
Reno
Reno1 stop$311

Book Cheap Idaho Falls to California Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Idaho Falls to California that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Idaho Falls to California

Mon, Aug 3 - Fri, Aug 7
Allegiant Air Logo
10:47 pm - 11:30 pm
IDA
-
LAS
1h 43mnonstop
Allegiant Air Logo
1:17 pm - 4:05 pm
LAS
-
IDA
1h 48mnonstop
$70Allegiant Air
Mon, Aug 3 - Fri, Aug 7
Allegiant Air Logo
10:47 pm - 11:30 pm
IDA
-
LAS
1h 43mnonstop
Allegiant Air Logo
1:17 pm - 4:05 pm
LAS
-
IDA
1h 48mnonstop
$74Allegiant Air
Mon, Aug 3 - Fri, Aug 14
Multiple Airlines Logo
10:47 pm - 3:28 pm
IDA
-
SNA
17h 41m
1 stop
Multiple Airlines Logo
6:57 pm - 10:04 pm
SNA
-
IDA
2h 07mnonstop
$150Multiple Airlines
Mon, Aug 10 - Fri, Aug 14
Multiple Airlines Logo
10:54 pm - 3:20 pm
IDA
-
SNA
17h 26m
1 stop
Multiple Airlines Logo
6:57 pm - 10:04 pm
SNA
-
IDA
2h 07mnonstop
$152Multiple Airlines
Thu, Sep 10 - Mon, Sep 14
Delta Logo
6:57 pm - 10:27 pm
IDA
-
SMF
4h 30m
1 stop
Delta Logo
5:08 pm - 10:22 pm
SMF
-
IDA
4h 14m
1 stop
$311Delta
Tue, Oct 6 - Tue, Oct 13
Alaska Airlines Logo
4:12 pm - 7:36 pm
IDA
-
SMF
4h 24m
1 stop
Alaska Airlines Logo
11:09 am - 10:54 pm
SMF
-
IDA
10h 45m
1 stop
$336Alaska Airlines
Sat, Oct 10 - Thu, Oct 15
Delta Logo
6:00 am - 9:07 am
IDA
-
SJC
4h 07m
1 stop
Delta Logo
6:00 am - 12:22 pm
SJC
-
IDA
5h 22m
1 stop
$345Delta
Fri, Aug 21 - Mon, Aug 31
Alaska Airlines Logo
3:57 pm - 12:30 pm
IDA
-
SMF
21h 33m
1 stop
Alaska Airlines Logo
8:08 am - 1:24 pm
SMF
-
IDA
4h 16m
1 stop
$357Alaska Airlines
Thu, Sep 17 - Sun, Sep 20
United Airlines Logo
2:25 pm - 8:57 pm
IDA
-
SJC
7h 32m
1 stop
United Airlines Logo
8:45 am - 5:16 pm
SJC
-
IDA
7h 31m
1 stop
$385United Airlines
Tue, Aug 4 - Sun, Aug 9
United Airlines Logo
4:14 pm - 9:16 pm
IDA
-
MFR
6h 02m
1 stop
United Airlines Logo
5:00 am - 1:25 pm
MFR
-
IDA
7h 25m
1 stop
$535United Airlines
Booking Insights

KAYAK's insights & trends for Idaho Falls to California flights

Get data-powered insights and trends into flights from Idaho Falls to California to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Idaho Falls to California?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Idaho Falls to California departing in August.

What is the cheapest Idaho Falls to California flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to California from Idaho Falls found in the last 5 days was to Oakland, at $90 round-trip. The most popular route is from Idaho Falls (IDA) to John Wayne (Santa Ana) (SNA), and the cheapest round-trip airline ticket found on this route in the last 5 days was $171.

Can I save money by flying with a layover from Idaho Falls to California?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $281, prices are generally cheapest when you fly direct.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Idaho Falls to California, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Idaho Falls to California is April, when tickets cost $80 (return) on average. On the other hand, the most expensive months are June and February, when the average cost of round-trip tickets is $153 and $132 respectively.

Good to know

Low seasonNovember
Cheapest flight$49
Best time to beat the crowds with an average 1% drop in price.
Most popular time to fly and prices are also 1% lower on average.
Flight from Idaho Falls to Las Vegas

FAQs - booking California flights

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

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Idaho Falls 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 Falls 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 Falls 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 Falls 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 Falls to California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • How many flights are there between Idaho Falls and California per day?

    There is a maximum of 1 nonstop flight a day that takes off from Idaho Falls and lands in California, with an average flight time of 2h 10m. The most common departure time is 4:00 pm and most flights take off in the afternoon. Each week, there are 2 flights.

Top tips for finding cheap flights to California

  • Looking for a cheap flight? 25% of our users found tickets from Idaho Falls to the following destinations at these prices or less: Las Vegas $61 one-way - $115 round-trip

Reviews of the top 4 airlines serving from Idaho Falls to California

 
See real verified KAYAK customer reviews for airlines flying from Idaho Falls to California. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Idaho Falls 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.
7.9
Alaska AirlinesOverall score based on 12655 reviews
8.1Boarding
7.1Food
7.8Comfort
7.0Entertainment
8.5Crew
Airline reviews

I fell asleep and missed my flight and they rescheduled me no problem. Staff was professional and the plane was clean. I was very happy with my experience.

10.0 ExcellentAnonymous, Feb 2026
BOI - SFO
Read more Alaska Airlines reviews

I fell asleep and missed my flight and they rescheduled me no problem. Staff was professional and the plane was clean. I was very happy with my experience.

I enjoyed the Starlink access but didn't have much time to use it. It also kept dropping me so I gave up. The food was very good though when I asked for a different "dessert" they didn't have anything. Chocolate Brownie Cookies are not suitable for everyone...maybe children. The flight staff were amazing - at least in First Class! My first time ever! The trip from Boise to San Diego was FAR better than going to Boise.

Our late returning flight was annoying. The plane was small, but it made boarding and disembarking quicker. I do wish they offered a gluten free snack.

I was standing in line to use the restroom. A First Class passenger wanted to use the restroom after me, but Jaques made me wait on Flight 3418 from BOI to SJC on December 12, 2025. I felt this was inappropriate and rude.

Excellent, I traveled with my adult mom, she was happy for your service, especially, because you helped her with the reel chair. Only a little thing, in the airplane to Boise, the seat was very worn.

Everything was great, your crew is always very pleasant. Your airplanes are always so cold though.

The flights left both airports on schedule. The flight from Idaho Falls to Seattle was a typical commuter trip. The flight from Seattle to Maui was not good: It was too long for a flight in a single-aisle plane and too cramped. I kept asking myself if I would ever visit Maui again if airlines continue to run this long flight like a typical short commuter flight. I am not looking forward to the trip home.

Flight was on time. Staff was polite and efficient. The snacks were good - only an hour and a half flight. No entertainment but didn't expect that. We brought our own things to do.

Everything smooth (including the landing) and on time. Easy. Thanks.

The boarding in Idaho Falls was terrific. The plane was a bit sad, and the snax were subpar. Mostly, I was just grossed out by the Alaska gates in Seattle. EW! Smelly and cramped and dingy!

We never made it on this flight because we missed our connection due to o delayed flight from Jackson.

We got stuck on the tarmac taxiing after landing early so we didn’t get off the plane until an hour later than we thought we would

It was okay. We were delayed for weather reasons, but the pilots and the flight control staff figured a way around the storm and were able to get us to Los Angeles safely. Not all the staff members were polite, but the entertainment on the flight was good.

Crew was real good, flight was smooth and came in early.

Love me some Delta. One of the few airlines to recognize and support veterans. Easy boarding, flight was on time and arrived early and the flight attendants were excellent on this flight.

We sat on the runway for over an hour before departure. That was unwelcome.

Flight delayed four separate times. I’m now one hour hours late to landing.

worst flight ever from Delta, it got delayed and kept on delaying..

Everything went smoothly, although the usual gripes about airline travel were still present: the boarding process is inefficient, the snack selection is limited, and so on. Since there was extra space on the flight, the gate agent rearranged many people's seats to put people on the aisles and windows, leaving the middle seats empty, as much as possible, which was pretty great.

While they turned off most cabin lights to allow people to sleep, I was bothered by how bright the side lights still were. It was still quite bright for me in a window seat, when I wish I could have slept!

It was a short, comfortable flight. It did leave an hour late due to the pilot having to be replaced (family emergency) but that didn’t inconvenience myself & my friend. The situation was explained, eventually.

There was a piece of plastic baked into my buttermilk biscuit! I have a pictures. The flight attendants in first class were really apologetic, and tried to rectify the situation. I I am very appreciative that they were able to give me some packets of pretzels and gummy bears. I understand they don't personally handle the food until warming it up so I know it wasn't their fault. I don't know whether it was a newer aircraft, or different food packaging, but I was happy that when the food was being warmed up - it didn't smell like plastic. Jokes on me with finding plastic in my food.

The seats were uncomfortable, as if the cushions haven't been switched out in many years. I felt like I was on an old bus. The food was delicious. thank you. Onboard entertainment, very limited. Unless you like violent movies. Why in the world would you have such severely violent movies on a plane? if you don't want to see such things, you don't have a choice. Have you considered that when choosing entertainment? Good god. Why would you have the Godfather? Or black women being brutally beaten with a club? Why in the hell would you put that kind of material on a plane? As for Kayak: Why when I ordered Qantas, was the plane on United?

UA594 was delayed multiple times. I ended up getting picked up so I can make it in time for work 6AM on Monday, 7/6/2026

Excellent flight. On time. Great staff. Clean and crisp cabin.

Know that the movies that you are going to be offered are the oldest be rated movies they could possibly get. They may have one or two new movies that they keep advertising but when you’re flying 15 hours, there is nothing to see past the first new movie.

This was an overnight flight, and in the morning they did know coffee service. How you can throw passengers in a San Francisco airport at 5:40 a.m. in the morning and not giving them Coffee is a crime.

Our flight was delayed several Times due to mechanical issues. Although I understand this may happen at times, it was very inconvenient and we had to book a hotel for an overnight stay. We were traveling with my 3-yo grandson and waiting at the airport from noon until 6:30pm with no reassurance that our next rescheduled flight would depart, we had to decide what’s best for him. A day later, I found out that I may be able to demand compensation if my flight is delayed more than 4 hours. I will hav to read the fine print next time.

Read the fine print. This was my flight home. I booked my flight for the quickest way home. Had a carry-on and a personal item. Same as my outbound flight. Apparently I needed to pre-pay extra for my carry-on. When I checked in, I was told that I had to check it. I said I’ll pay for it, and was told that this wasn’t an option anymore. They said I still had to pay $50 to check my carry-on. I told them I’ll pay whatever to just carry it in as intended. I was not allowed, so eventually I paid $50 to check my carry-on under a plane that was half full, with overhead compartments that were even less full. My white carry-on suitcase was practically destroyed getting from Idaho falls to Denver to Orange County. The low price air fair was a bait and switch. Got me to the gate, made me pay extra, then didn’t even allow me to pay for a carry on. Not to mention that I paid the $8 for WiFi that didn’t work. All to get my suitcase destroyed. I don’t think I’m going to even keep my Untied mileage plus membership and card. Apparently, membership does not have its privileges for this one.

United Airlines was fantastic, however, UnderPricer was a nightmare. I got to the airport 4 hours before my flight. We are moving to New Zealand so had quite a bit of baggage (16 checked items) and so wanted to have plenty of time to get everything taken care of properly. When I went to check in they (United) could only find a ticket for me. The 5 tickets for my children were never officially ticketed. I called Underpricer and they told me it was United's fault and United told me that Underpricer just needs to reissue the tickets, but they refused to. I asked the Underpricer agent to transfer me to his supervisor as I was not getting the help I needed. He told me the supervisor was busy but that he would call me back in 30 minutes. 30 minutes came and went with no phone call. After an hour I called Underpricer back but they would not let me talk to the person I had talked to before, just told me that he was talking with the supervisor and technical support. I called again an hour later, was told the same thing. I tried again later, with only about 30 minutes until my flight was scheduled to leave (meaning I had been at the airport for more than 3 hours with my 5 children trying to get ticketed and board the flight). Also, my husband had moved to New Zealand 3 months prior, I haven't seen him in 3 months, my children hadn't seen their dad in 3 months, we were all extremely eager to get on that flight and get to New Zealand. The situation with the tickets did not get resolved until after it was too late to check our luggage and board our flight. We were devastated. My 11 year old son was in tears at not being able to be on his way to see his dad. Thankfully we were rebooked for the next evening, but that night it felt devastating. We'd been at the airport for 4 hours waiting. My in-laws waited with me and then helped me reload all our baggage and took us home to stay with them for the night. On the newly booked flights we could not sit together - my children were spread throughout the plane. So, even though I had paid extra to select our seats after buying my seats from Underpricer only two of us were able to sit together (thankful that my 11 year old wasn't all by himself, but not happy that my 14 & 16 year old daughters were seated by strangers). I really feel that Underpricer should refund me what I paid for the seating ($120 USD). It was a very frustrating situation and I plan on never using Kayak or Underpricer ever again.

The price was the only good thing about this flight. It was scary during takeoff when the plane tilted side to side. It made me feel very nervous as I have never had a take-off that unsmooth. There was no on-flight movie or music options and the only complimentary option was water. Other airlines offer trail mix or a caramel cookie and pop options as complimentary. This flight was a 2.5 hour flight. I understand for shorter flights not having options, but a flight 2 hours or longer should offer more complimentary options and in flight entertainment. Also the seats did not recline and for a longer flight reclining seats are a must for comfort.

A very pleasant flight but it would be greatly improved with wifi to help entertain kids

This is a no frills, get it done, efficient airline. The seat is a lawn chair. You better bring your own entertainment. If you want something other than water you need to pay for it. But they will get you to your destination quickly, on time, and then they will turn the flight around and go right back where they came from. Reliably. Couple times a week tops. If it fits into your schedule, you can’t get there cheaper or faster.

A three hour delay to board and then another hour on the tarmac because they couldn't get a tractor? Ugh.

Allegiant canceled the flight. The flight the next day was full. Allegiant did not provide any compensation besides a refund. Last time on Allegiant.

Seats were very uncomfortable and being charged for snacks and water.........

Allegiant actually impressed me, original inbound flight from PBG was so late they gave us a bird inbound from Des Moines and only left 1h late and gained 40 minutes back in the air. Comfortable flight with no frills but no complaints.

The flight was very delayed (in BOTH directions - outbound and returning). The flight was very very cramped. The plane taxi'd on the runway for a really long time, and I got claustrophobic being in such a tight seat. The pilot and crew both indicated that we were going to make up lost time due to the delay, but the plane arrived LATER than expected.

A foot rest for short legged people and a complimentary water would be nice.

The employees at the check-in counter said my disabled wife and I were going to be separated even though we picked seating together when we bought our tickets. They told us my wife would be seated in row 2 and I would be in row 8, because we bought our tickets from a third party. Fortunately the flight crew said: "No, you two need to be together, we'll fix this." Then they seated us together. We are 75 years old and flying is a challenge for us, so we appreciate all the help we can get. Your flight crew was awesome with us, and with the children on our flight as well. Thank You Allegent Air Lines! 🙂

Everything you need to know for your flight from Idaho Falls to California

Information on your arrival and departure airports