Cheap flights from California to Idaho from $39
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Idaho departing on 7/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from California to Idaho
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Idaho?
In general, October is the cheapest month to fly from California to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $198. If you don’t want to visit Idaho in October, then you should wait until February to fly from California, when ticket prices are also cheap, with an average price of $237.
What is the cheapest day to depart on your flight to Idaho?
Our data shows that Saturday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $256. On the other hand, Sunday is the most expensive day to depart from California because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $321.
What is the cheapest time of day to depart on your flight to Idaho?
According to our data, the cheapest time of day to fly to Idaho is at noon. momondo users have found flights departing from California to Idaho at noon for as low as $177. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Idaho, so prices are often more expensive at around $284 per ticket.
What is the cheapest California to Idaho flight route?
Fly from Oakland to Idaho Falls Fanning Field for the best California - Idaho flight prices
How far in advance should I book a flight to Idaho?
You are more likely to see cheaper flights to Idaho from California when booking 20 weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $272 when searching 20 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from California for as low as $203 on momondo.
What cabin class options are available on California to Idaho flights?
There are 4 cabin classes available to choose from on California to Idaho flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from California to Idaho?
Allegiant Air, Spirit Airlines, and Alaska Airlines are the most popular carriers operating from California to Idaho
What airlines fly to Idaho?
Alaska Airlines, United Airlines and Delta are the top three most popular airlines that fly to Idaho from California according to our data. Alaska Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 9 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.
How many flights depart from California to Idaho on average per day?
As of June 2025, there are 89 flights per day flying from California to Idaho. The most common time of day flights depart is 7:00PM, with 46% of flights taking off in the evening.
How many flights depart from California to Idaho on average per week?
As of June 2025, 627 flights take off from California and land in Idaho each week. The most common flight departure day for this route is Thu, with 18% of weekly flights taking off on this day.
Cheap California to Idaho flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from California to Idaho
When did momondo last update prices for flights from California to Idaho?
Prices for flights from California to Idaho were last updated today.
How many operators does momondo search for flights from California to Idaho?
As of June 2025, there are 9 operators available to choose from for flights from California to Idaho.
How old do you have to be to fly from California to Idaho?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from California to Idaho.
What documentation or ID do you need to fly to Idaho?
The required travel and health documents for your Idaho trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from California to Idaho?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from California to Idaho is Embraer 175 (41.34% of total bookings). The next most popular plane models are Embraer 175 (Enhanced Winglets) (18.92%), Embraer 170 (9.62%), and Boeing 737-700 Passenger/BBJ1 (winglets) (8.38%).
Best airlines flying from California to Idaho
Compare and see reviews for airlines that fly from California to Idaho with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $64 | Free Cancellation | Rating 7.5 75 reviews | |||
| PriceFrom $68 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $68 | Free Cancellation | Rating 7.8 2,494 reviews | |||
| PriceFrom $79 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $98 | Free Cancellation | Rating 7.3 725 reviews | |||
| PriceFrom $148 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $152 | Free Cancellation | Rating 8.0 4,287 reviews | |||
| PriceFrom $156 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $198 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from California to Idaho?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from California to Idaho. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from California to Idaho with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for California to Idaho flights to just show those with flexible booking policies.
How can momondo help me find flights from California to Idaho?
Once all potential California to Idaho flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from California to Idaho right now. Can momondo alert me if prices change?
Yes. momondo can track prices for California to Idaho flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.