$343 Find Cheap Flights from San José to Idaho

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San José to Idaho departing on 4/21. 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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KAYAK searches hundreds of travel sites at once for deals on flights to Idaho

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San José to Idaho, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San José to Idaho, as well as popular online travel agencies
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Best Idaho Flight Deals from San José

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours

Boise
Boise1 stop$307
Idaho Falls
Idaho Falls2 stops$536
Spokane
Spokane1 stop$415

Cheap Flight Deals from San José to Idaho (SJO-USID)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San José to Idaho 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.

Recent round-trip flight deals from San José to Idaho

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from San José to Idaho.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
Alaska Airlines Logo
1:06 am - 10:22 pmSJO-GEG
22h 16m1 stop
Alaska Airlines Logo
9:30 am - 11:46 pmGEG-SJO
37h 16m2 stops
$415Alaska Airlines
Find Deal
Wed, May 14 - Thu, May 22
Alaska Airlines Logo
1:06 am - 11:54 pmSJO-GEG
23h 48m2 stops
Alaska Airlines Logo
12:27 pm - 11:46 pmGEG-SJO
34h 19m2 stops
$421Alaska Airlines
Find Deal
Wed, May 14 - Thu, May 22
United Airlines Logo
7:55 am - 10:38 amSJO-GEG
27h 43m2 stops
United Airlines Logo
2:05 pm - 7:15 amGEG-SJO
16h 10m1 stop
$452United Airlines
Find Deal
Mon, Sep 1 - Fri, Sep 26
United Airlines Logo
7:55 am - 11:38 pmSJO-GEG
40h 43m2 stops
United Airlines Logo
5:29 am - 7:37 pmGEG-SJO
37h 08m2 stops
$482United Airlines
Find Deal
Tue, May 6 - Tue, May 13
United Airlines Logo
7:55 am - 10:38 amSJO-GEG
27h 43m2 stops
United Airlines Logo
1:15 pm - 12:26 pmGEG-SJO
22h 11m2 stops
$503United Airlines
Find Deal
Mon, Sep 1 - Fri, Sep 26
United Airlines Logo
8:37 am - 10:38 amSJO-GEG
27h 01m1 stop
United Airlines Logo
7:00 am - 7:15 amGEG-SJO
23h 15m1 stop
$504United Airlines
Find Deal
Mon, Sep 1 - Fri, Sep 26
American Airlines Logo
2:20 pm - 12:11 pmSJO-IDA
21h 51m2 stops
American Airlines Logo
3:03 pm - 12:55 pmIDA-SJO
21h 52m2 stops
$536American Airlines
Find Deal
Sat, Aug 30 - Sat, Sep 6
American Airlines Logo
2:00 pm - 2:33 pmSJO-IDA
24h 33m1 stop
American Airlines Logo
3:03 pm - 11:20 amIDA-SJO
20h 17m2 stops
$545American Airlines
Find Deal
Sat, Aug 30 - Sat, Sep 6
 Logo
4:20 pm - 12:31 pmSJO-GEG
21h 11m3 stops
 Logo
8:03 am - 11:52 pmGEG-SJO
14h 49m2 stops
Tue, May 6 - Tue, May 13
 Logo
12:50 am - 3:26 pmSJO-IDA
14h 36m2 stops
 Logo
6:13 am - 11:15 pmIDA-SJO
17h 02m3 stops
Fri, Aug 29 - Sat, Sep 6

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

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

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

The average price for all round-trip flights from San José to Idaho depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.
The cheapest time of day to fly to Idaho is generally in the afternoon, when round-trip flights cost $434 on average. The most expensive time of day to fly to Idaho is generally at night, which is peak travel time and where the average cost of a ticket is $668.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San José to Idaho, 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 San José to Idaho is March, when tickets cost $392 (return) on average. On the other hand, the most expensive months are November and August, when the average cost of round-trip tickets is $713 and $687 respectively.

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

The average price of all round-trip flights from San José to Idaho clicked on KAYAK for each day over the last 12 months.
For San José to Idaho, Tuesday is the cheapest day to fly on average and Friday is the most expensive. Flying from Idaho back to San José, the best deals are generally found on Sunday, with Friday being the most expensive.

Good to know

Low season

February

High season

December

Cheapest flight

$343
Best time to beat the crowds but there is an average 2% increase in price.
Most popular time to fly with an average 5% increase in price.
Flight from San José to Spokane

FAQs - booking Idaho flights

  • How does KAYAK find such low prices on flights from San José 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 José to Idaho.

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

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

See more FAQs

Top airlines flying from San José to Idaho

 
See real verified KAYAK customer reviews for airlines flying from San José to Idaho. 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 San José 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.
7.4
United AirlinesOverall score based on 8615 reviews
7.0Entertainment
7.7Boarding
7.3Comfort
6.6Food
8.1Crew
Airline reviews

The gate was too far away for the connecting flight

8.0 ExcellentAnonymous, Mar 2025LAX - SFO
Read more United Airlines reviews

The gate was too far away for the connecting flight

Plane temperature was comfortable (not to hot) when boarding and waiting for takeoff.

Compared with other carriers business class for an overnight was not worth the extra expense.

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 ;)

Easy to board. Flight was super crowded though so I didn't sleep well on that cross country red-eye flight. The aisles seem ot have gotten narrower and the seat smaller whn luggage and people are getting bigger so it would be AWESOME to have more space and breathing room in general ;)

Michael, our FA was very attentive, even finding me a chocolate brownie from economy class when the dessert selections were all dairy based. ( intolerant, not allergic so don’t usually need to order dairy free)

We tried to upgrade to economy premium but were told this was not possible as we had booked through United Airlines (and Air Canada was operating the flight). This seemed silly given there was ample space in economy premium. Additionally, we had to wait almost 1.5 hours upon arrival to taxi to the gate. Otherwise, the crew were very pleasant and passengers were friendly.

We boarded but then sat there waiting on some missed connection people to get on so we sat for about 15 minutes for that. Then we sat again because the passenger manifest was wrong and they had to figure it out before we could leave. That took about another 20 minutes or so. The crew was working hard to figure it out so it’s not their fault. It ended up being a system glitch where someone was upgraded to first class while another person was also in the same seat and it just created a mess that took a little while to figure out. They literally went to every person on the plane asking their names to see who was sitting in the wrong seat. I also hate the entertainment that must be watched on your phone or tablet. Just give us setback screens. It’s so much better. Almost every Delta flight has this now and it is so nice to have them. The crew did a great job. I have no complaints from them. They were very hard working, even with the mishap and a disgruntled passenger.

Mostly the experience was good except for the flight changes made by UA which meant longer layover in DC

We were Polaris passengers and found the service poor. The food was ok but the flight attendants were not attentive and rushed the service.

The flight was late and we missed this connecting flight. American Airlines refused to put us anywhere for the night for their snafu. We had to find our own accommodations in Miami, and it was expensive for a crappy hotel.

The trip was very smooth and they provided great customer service

The plane was late and then sat on the runway for almost 45 minutes before taking off.

Wonderful as usual except for other guests that were unruly and not kept in check by the Crew.

The flight was initially delayed, then cancelled. American Airlines says the cancellation was weather related, though the actual weather was not bad in both Washington and Providence and between. There were very few cancellations that day. In fact, AA2120 from Washington, DC to Boston flew with a minor delay at about the same time. So, the weather somehow affected only this particular flight AA5230. The next available flight was the following morning. The American Airlines refused to reimburse accommodation (hotel at DCA)

I have long legs, my foot was out in the aisle and when a flight attendant came walking by and I didn't notice, instead of saying "excuse me" or anything like that, she kicked my foot. Extremely rude

One bottle of water and a package of cookies for comfort plus. We had to literally beg a flight attendant for an extra bottle of water later in the flight due to feeling dehydrated.

Fine. On time, cabin service was fine, bag arrived. All good. Flying into DCA so did not collide with any helicopters, which is also good. Horrid incident that could have and should have been prevented.

Free wifi was available, but only some time, being at least 30 minutes into the flight. it would have been better that an announcement had been made about the delay.

Cabin was roomy enough to easily slide my carry on under the seat in front of me!

Everything you need to know for your flight from San José to Idaho

Information on your arrival and departure airports

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