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Idaho

$345+ Cheap flights from San José (SJO) to Idaho

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — BOI
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from San José to Idaho

Keep the following information in mind while searching for San José to Idaho flight deals. Data was last updated October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$637
(American Airlines)

Popular in

November

Cheapest in

July

Average price

$366
Provider with most accurate pricing for San José Juan Santamaria Intl-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-Boise Air Term. Gowen Fld flights.
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From San José Juan Santamaria Intl to Idaho
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Highest demand for flights based on searches. 15% potential increase in price ($87 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from San José to Idaho

Cheapest flights from San José to Idaho
Explore the most affordable flight options available from San José to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:45 amSJO - IDA
2 stops15h 07mUnited Airlines
Sat 11/18:30 amIDA - SJO
2 stops28h 45mUnited Airlines
Deal found 10/26$345
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/287:45 amSJO - IDA
2 stops26h 03mUnited Airlines
Fri 10/317:00 amIDA - SJO
2 stops28h 56mUnited Airlines
Deal found 10/27$359
This Alaska Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/271:11 amSJO - IDA
2 stops22h 48mAlaska Airlines
Fri 10/316:05 amIDA - SJO
2 stops41h 46mAlaska Airlines
Deal found 10/26$539
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/21:23 pmSJO - IDA
2 stops25h 04mAmerican Airlines
Wed 12/101:58 pmIDA - SJO
2 stops23h 04mAmerican Airlines
Deal found 10/29$637
This American Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:00 amSJO - IDA
1 stop15h 49mAmerican Airlines
Sat 11/112:55 pmIDA - SJO
1 stop34h 01mAmerican Airlines
Deal found 10/26$702
This eDestinos deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/12:20 amSJO - IDA
2 stops34h 09mMultiple Airlines
Wed 12/105:07 pmIDA - SJO
2 stops29h 41mMultiple Airlines
Deal found 10/29$709
This American Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:44 amSJO - IDA
1 stop15h 04mAmerican Airlines
Fri 10/316:52 amIDA - SJO
1 stop11h 24mAmerican Airlines
Deal found 10/26$801
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:34 amSJO - GEG
1 stop22h 04mAmerican Airlines
Sat 1/316:30 amGEG - SJO
2 stops15h 13mAmerican Airlines
Deal found 10/29$1,025

Cheapflights Fare Finder

 
Customize your flight search to find flights from San José to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 29, 2025.
Use the filters below to find and compare flights from San José to Idaho that are best for you.

Fly from

San José

Fly to

Idaho

Route

Depart

Return

Price

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Fri 4/24

11:59 pm-10:56 pm

2 stops23h 57m

Spokane

Tue 4/28

2:03 pm-11:10 am

2 stops20h 07m

$359

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Fri 4/24

8:45 am-9:24 pm

1 stop13h 39m

Spokane

Tue 4/28

3:25 pm-7:15 am

1 stop14h 50m

$500

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Thu 4/23

12:20 am-4:53 pm

2 stops17h 33m

Spokane

Tue 4/28

6:40 am-11:42 pm

1 stop16h 02m

$610

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Tue 12/2

1:23 pm-1:27 pm

2 stops25h 04m

Idaho Falls Fanning Field

Wed 12/10

1:58 pm-2:02 pm

2 stops23h 04m

$637

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Mon 12/1

2:20 am-11:29 am

2 stops34h 09m

Idaho Falls Fanning Field

Wed 12/10

5:07 pm-11:48 pm

2 stops29h 41m

$709

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Mon 12/1

1:30 am-4:27 pm

2 stops39h 57m

Idaho Falls Fanning Field

Wed 12/10

5:07 pm-11:48 pm

2 stops29h 41m

$1,350

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Best time to book a flight from San José to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from San José with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

What is the cheapest month to book a flight from San José to Idaho?

Currently, August is the cheapest month in which you can book a flight from San José to Idaho (average of $281). Flying from San José to Idaho in February is currently the most expensive (average of $566). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SJO to ID?

Find hourly flight availability from San José to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 29, 2025.

It’s typically best to fly out from San José to Idaho in the afternoon. Doing so could potentially save you 40% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated October 29, 2025.
Read reviews from past customers who have flown United Airlines from San José to Idaho. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,999 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,999 reviews
United Airlines
7.4
Good
8,999 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from San José to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San José to Idaho?

    Most people fly from San José Juan Santamaria Intl (SJO) if they book a flight from San José to Idaho. San José Juan Santamaria Intl is conveniently located just 8.8 mi from San José’s city center.

  • How long is the flight from San José to Idaho?

    Airlines like American Airlines fly from San José to Idaho in about 23h 57m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 3240 mi.

  • Can I find deals for flights from San José to Idaho that include hotel bookings?

    Yes. In addition to deals on San José to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San José to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San José to Idaho.

  • Can I find deals for business class flights from San José to Idaho?

    Yes. Cheapflights offers flight deals from San José to Idaho by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San José to Idaho?

    Currently, August is the cheapest month in which you can book a flight from San José to Idaho (average of $281). Flying from San José to Idaho in February is currently the most expensive (average of $566). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for San José to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from San José to Idaho

Discover the top airline that operate flights from San José to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$311Average$396FlexibilityNo cancel feeOn-time69%

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