Idaho

$248+ Cheap flights from San José (SJO) to Idaho

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — BOI
Aug 4 — Aug 111
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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 July 30, 2025.

Round-trip from

$295
(United Airlines)

One-way from

$248
(United Airlines)

Popular in

November

Cheapest in

June

Average price

$668
From San José Juan Santamaria Intl to Idaho
One-way flight from San José Juan Santamaria Intl to Idaho
Highest demand for flights based on searches. 12% potential increase in price ($77 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in July 2025

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 July 30, 2025.

This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:55 amSJO - GEG
2 stops16h 10mUnited Airlines
Wed 10/112:35 pmGEG - SJO
1 stop17h 40mUnited Airlines
Deal found 7/29$295
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/171:35 pmSJO - GEG
2 stops24h 00mDelta
Thu 10/26:45 amGEG - SJO
2 stops28h 23mDelta
Deal found 7/29$301
This American Airlines deal was found by Cheapflights users on 7/30. 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 8/212:40 pmSJO - GEG
2 stops22h 42mAmerican Airlines
Tue 8/2612:29 pmGEG - SJO
2 stops23h 26mAmerican Airlines
Deal found 7/30$363
This United Airlines deal was found by Cheapflights users on 7/29. 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 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 stops13h 18mUnited Airlines
Fri 10/317:00 amIDA - SJO
2 stops22h 25mUnited Airlines
Deal found 7/29$422
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 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 stops17h 46mAlaska Airlines
Deal found 7/29$499
This American Airlines deal was found by Cheapflights users on 7/28. 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 10/316:50 amIDA - SJO
1 stop11h 26mAmerican Airlines
Deal found 7/28$516

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 July 30, 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

Tue 9/16

7:55 am-11:05 pm

2 stops16h 10m

Spokane

Wed 10/1

12:35 pm-7:15 am

1 stop17h 40m

$295

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Wed 9/17

1:35 pm-12:35 pm

2 stops24h 00m

Spokane

Thu 10/2

6:45 am-12:08 pm

2 stops28h 23m

$301

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Thu 8/21

2:40 pm-12:22 pm

2 stops22h 42m

Spokane

Sun 8/24

6:00 am-12:55 pm

2 stops29h 55m

$363

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Tue 10/28

7:45 am-9:03 pm

2 stops13h 18m

Idaho Falls Fanning Field

Fri 10/31

7:00 am-5:25 am

2 stops22h 25m

$422

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Mon 10/27

1:11 am-11:59 pm

2 stops22h 48m

Idaho Falls Fanning Field

Fri 10/31

6:05 am-11:51 pm

2 stops17h 46m

$499

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Tue 10/28

6:44 am-9:48 pm

1 stop15h 04m

Idaho Falls Fanning Field

Fri 10/31

6:50 am-6:16 pm

1 stop11h 26m

$516

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Thu 8/7

11:13 am-3:29 pm

2 stops28h 16m

$248

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Thu 8/7

12:16 pm-6:33 pm

3 stops30h 17m

$312

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Sat 1/3

12:30 am-6:43 pm

1 stop20h 13m

$868

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Sun 1/4

7:50 pm-4:09 pm

2 stops46h 19m

$1,068

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 13 results
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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, San José Province to Idaho?

Currently, October is the cheapest month in which you can book a flight from San José, San José Province to Idaho (average of $314). Flying from San José, San José Province to Idaho in June is currently the most expensive (average of $398). 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 July 30, 2025.

When flying from San José, San José Province to Idaho, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 July 30, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and United Airlines from San José to Idaho. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Entertainment

7.1

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave

Boarding

8.1

Entertainment

7.1

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
8.0
Very good

Boarding

8.1

Entertainment

7.1

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave

Boarding

8.1

Entertainment

7.1

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave

Boarding

8.1

Entertainment

7.1

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave

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.

  • What are the cheapest airlines to fly from San José, San José Province to Idaho one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $248. American Airlines flights start at $1,154 while deals on Alaska Airlines start at $1,612 one-way.

  • 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, San José Province to Idaho?

    Currently, October is the cheapest month in which you can book a flight from San José, San José Province to Idaho (average of $314). Flying from San José, San José Province to Idaho in June is currently the most expensive (average of $398). 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.

See more FAQs

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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.

Top 2 airlines flying from San José to Idaho

Discover the top 2 airlines 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$262Average$481FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$311Average$497FlexibilityNo cancel feeOn-time69%

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