$109 Find Cheap Flights from San Jose to Idaho - Compare and Save

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Cheap Flights from San Jose to Idaho

Cheapest round-trip prices found by our users on KAYAK in the last 5 days
Sort by: Cheapest
Boise
1h 35mNonstop
from $181per person
Spokane
2h 00mNonstop
from $203per person
Lewiston
5h 24m2 stops
from $243per person
West Yellowstone
3h 47m2 stops
from $354per person
Idaho Falls
4h 00m2 stops
from $361per person
Jackson
3h 49m2 stops
from $368per person
Hailey
4h 21m2 stops
from $381per person
Pocatello
3h 33m2 stops
from $473per person
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Booking Insights

KAYAK's insights & trends for San Jose to Idaho flights

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

How much is a round-trip flight from San Jose, California to Idaho?

Flight prices are below average for this route right now.

Flights to Idaho from San Jose, California usually cost between $217 and $383 in October.
The lowest price found in the past 5 days was $182 on Alaska Airlines (Oct 17-Oct 21).

What is the cheapest San Jose to Idaho flight route?

The cheapest ticket to Idaho from San Jose found in the last 5 days was to Boise, at $217 round-trip. The most popular route is from San Jose (SJC) to Boise (BOI), and the cheapest round-trip airline ticket found on this route in the last 5 days was $217.

What is the cheapest time of day to fly to Idaho?

The cheapest time of day to fly to Idaho is generally at night, when round-trip flights cost $305 on average. Morning departures are around 10% cheaper than evening flights, on average. The most expensive time of day to fly to Idaho is generally in the evening, which is peak travel time and where the average cost of a ticket is $342.

Can I save money by flying with a layover from San Jose to Idaho?

No, with an average price for the route of $350, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from San Jose to Idaho?

The cheapest month for flights from San Jose to Idaho is February, when tickets cost $186 (return) on average. On the other hand, the most expensive months are October and June, when the average cost of round-trip tickets is $432 and $359 respectively.

What’s the cheapest day of the week to fly from San Jose to Idaho?

If you are looking for a flight deal from San Jose to Idaho, look for departures on Mondays and avoid leaving on a Friday, as it's usually the priciest day. When flying back from Idaho, Saturday is the cheapest day to fly and Wednesday is the most expensive.

How far in advance should I book a flight from San Jose to Idaho?

To get a below average price on the flight from San Jose to Idaho, you should book around 4 weeks before departure, which saves you about 56% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 13 weeks before departure.

Good to know

Low season

January

Cheapest flight

$109
Best time to beat the crowds with an average 30% drop in price.
Most popular time to fly with an average 5% increase in price.
Flight from San Jose to Spokane

FAQs - booking Idaho flights

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

    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 San Jose to Idaho.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from San Jose to Idaho 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 San Jose to Idaho?

    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 San Jose to Idaho 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 San Jose to Idaho?

    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 San Jose to Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 3 airlines serving from San Jose to Idaho

 
Need help choosing which airline to fly with from San Jose to Idaho? 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
SouthwestOverall score based on 4195 reviews
7.5Entertainment
8.0Comfort
7.0Food
8.1Boarding
8.6Crew
Airline reviews

The Southwest airline was ok. A big thank you to Kayak team (David), who worked with me on Sunday afternoon to rebook my travel from Burbank, CA, to CVG. My original flight on Sunday was delayed, so I had to cancel Sunday flight and rebook my travel to Monday. Could not have done it without help from David from Kayak team. Ante Soda GE Aerospace

10.0 ExcellentAnte, Aug 2026
Read more Southwest reviews

The Southwest airline was ok. A big thank you to Kayak team (David), who worked with me on Sunday afternoon to rebook my travel from Burbank, CA, to CVG. My original flight on Sunday was delayed, so I had to cancel Sunday flight and rebook my travel to Monday. Could not have done it without help from David from Kayak team. Ante Soda GE Aerospace

Seated at front bulkhead for a smidge extra leg room away from home and on flight back home. Away crew was very proactive about assuring our carryons had space close behind us (because no seat in front of us our personal items had to be in a small bin overhead). They actively required passengers place overhead luggage on its side so more items could fit in bins. Home crew made no such efforts. I had to struggle back rows to get overhead bags upon landing, no crew help then either, and some disgruntled passengers as I and others retrieved our bags. There was a system that worked pretty well. The home bound crew just didn't feel like working.

Red eye from San Diego. Temperature of the cabin was way too warm and the air duct flowed very little air.

Delayed flight, lack of information, boarding process is a mess as is the carryon luggage causing issues when leaving the plane….just a poor experience.

The problem with the seat assignments is that there were a lot of rows in the front that were empty but my row at the back was full. Just not so pleasant.

Good but I prefer choose your own seat. With the new assigned seats they should board from the back I see no advantage to this new boarding. Just like every other airline

I recently flew Southwest from San Jose to Honolulu. I was very impressed with the flight crew, especially the flight attendant in charge of the front of the plane. She came through the aisle at least five times for drinks and water, and two times for snacks. I have not seen such service since I flew first class. Also, for the first time, they gave us the correct baggage claim number, and the luggage came out quickly. I can't wait for Southwest to have assigned seating! I absolutely hate the Cattle Call boarding procedure and the mad dash to get seats and overhead bins. However, the boarding was efficient.

Forget beverage, they didn't even have water for half the passangers?

Flight was not full! Had a whole row to myself.

Wifi didn’t work, no service, seats are hard as rocks

The problem was going through San Diego, a trip that's become a new development.

No complimentary snacks or food. Had to buy drinks and food.

in-flight wifi was not working well. also the cabin temperature was a bit hot.

I wasn’t able to check in prior to arriving at the airport, I was told by the agent I may not get a seat on the plane as others were waiting for seats, I sat there for 2 hours before being assigned a seat, very stressful. The plane was delayed. Overall not a great travel experience for a 44 minute flight.

Larger seats and more room would elevate the experience. Otherwise, it was good!

Check in went pretty well and you didn't lose my bag. After I got a drink from the drink cart they charged me for it, and at the crazy overpriced airport rates. Never had that happen before, is that an american thing? what madness.

I was delayed several times. Missed a very important event. The airline only provided a $12 voucher after being delayed 3 times.

One the nicest and great air crews I’ve experienced and I’ve flown a lot

Staff at Gate desk were helpful. My connecting flight from the first part of my trip Kona to Seattle was late. I had to run through SeaTac Seattle to catch my flight to San Jose. They made an exception to let me board. On my return trip San Jose to San Diego and San Diego to Honolulu the same thing happened. One flight arrived late and I had to run through the terminal to catch my connection. There are no Gluten-free & Vegan options meals and snacks to purchase.

Short flight was fine, but no entertainment and bathrooms broken.

DL482 did not wait for about 10 of us including a mother and 3 children when we were in the same terminal on DL486, where we were switching from waiting for a jet bridge fix, to moving to a neighboring gate. I understand taxiing delays are ok either but man. We only needed 5 more minutes. DL482 did not adjust from their times at all. This was my first time with Delta.

Delta is getting worst by the minute. Where this was at one point my only go to airline, it has become like a budget airline

The internet on these planes stinks. Need to get starlink

Very bad multiple confusion and miscommunication which i ended up missing my flight.

Even though we arrived early and checked in, for some unexplained reason, our bags were removed from the plane and put on the next flight. It took over 12 hours after arriving to get our bags.

I missed the flight because the Minneapolis flight was 49 minutes LATE, and the Boise flight LEFT 24 minutes EARLY!

I was in first class and literally the men behind me were so aggressively loud I moved myself to economy. This has become so common on Delta - people using audio without headphones, and men on 12am / late night flights drinking and yelling to talk to each other which prevents anyone around them from resting. Pretty crazy to have to move from first to economy (poorer service, less comfort...). Wild wild. Looking into other airlines.

Having to up charge for a seat assignment is not good. Delta can do better

Flew first class so everything was great. But maybe because the flights were red eye, no meals were served, just chips. I flew Alaska Air 1st class at 9PM (2 hour flight) and they served beef short rib sliders!

Plane was turned around due to fog half way into the flight, Delta did not properly direct passengers to stay on same flight and instead failed to properly rebook on Alaska

More options for your flight from San Jose to Idaho

Complete your trip to Idaho with a hotel stay or car rental