Idaho

$174+ 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 6/13. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — BOI
May 5 — May 121
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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 April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$301
(United Airlines)

One-way from

$174
(United Airlines)

Popular in

November

Cheapest in

March

Average price

$495
Provider with most accurate pricing for San José Juan Santamaria Intl-Boise Air Term. Gowen Fld flight deals.
Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-Boise Air Term. Gowen Fld flights.
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. 1% potential increase in price ($7 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in April 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 April 30, 2025.

This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/278:45 amSJO - GEG
1 stop15h 29mUnited Airlines
Tue 6/37:25 amGEG - SJO
1 stop22h 50mUnited Airlines
Deal found 4/28$301
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/27:55 amSJO - IDA
2 stops13h 09mUnited Airlines
Sun 5/47:00 amIDA - SJO
2 stops53h 26mUnited Airlines
Deal found 4/28$359
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/51:12 amSJO - GEG
2 stops20h 49mAlaska Airlines
Tue 5/137:00 amGEG - SJO
1 stop15h 52mAlaska Airlines
Deal found 4/28$395
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Sat 8/301:00 pmSJO - IDA
2 stops23h 10mAmerican Airlines
Sat 9/67:34 amIDA - SJO
1 stop9h 56mAmerican Airlines
Deal found 4/28$501
This American Airlines deal was found by Cheapflights users on 4/28. 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 5/66:03 amSJO - GEG
2 stops15h 50mAmerican Airlines
Tue 5/135:34 amGEG - SJO
1 stop15h 43mAmerican Airlines
Deal found 4/28$542
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2912:50 amSJO - IDA
2 stops21h 49mAlaska Airlines
Sat 9/66:13 amIDA - SJO
2 stops17h 00mAlaska Airlines
Deal found 4/28$732
This KAYAK deal was found by Cheapflights users on 4/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/306:10 amSJO - IDA
3 stops16h 29mMultiple Airlines
Sat 9/66:13 amIDA - SJO
2 stops17h 00mMultiple Airlines
Deal found 4/28$784
This Delta deal was found by Cheapflights users on 4/29. 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.
Sun 12/288:15 amSJO - GEG
1 stop14h 31mDelta
Sun 1/410:33 pmGEG - SJO
1 stop12h 12mDelta
Deal found 4/29$937
This KAYAK deal was found by Cheapflights users on 4/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:25 pmSJO - GEG
3 stops23h 24mMultiple Airlines
Sun 1/47:30 amGEG - SJO
2 stops13h 30mMultiple Airlines
Deal found 4/29$1,344

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 April 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 5/27

8:45 am-11:14 pm

1 stop15h 29m

Spokane

Tue 6/3

7:25 am-7:15 am

1 stop22h 50m

$301

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Fri 5/2

7:55 am-9:04 pm

2 stops13h 09m

Idaho Falls Fanning Field

Sun 5/4

7:00 am-12:26 pm

2 stops53h 26m

$359

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Fri 5/2

11:59 pm-12:29 pm

1 stop12h 30m

Idaho Falls Fanning Field

Sun 5/4

12:59 pm-1:18 pm

1 stop24h 19m

$617

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Mon 5/26

1:06 am-10:22 pm

1 stop22h 16m

Spokane

Tue 6/3

7:10 am-11:46 pm

1 stop15h 36m

$875

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Fri 6/13

8:45 am-2:47 pm

1 stop31h 02m

$174

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Thu 6/12

12:50 am-5:47 pm

1 stop17h 57m

$246

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Sun 7/20

11:59 pm-9:35 pm

1 stop21h 36m

$270

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Sun 7/20

5:30 am-9:44 am

2 stops28h 14m

$332

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Sun 7/20

10:45 pm-10:39 pm

3 stops23h 54m

$619

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Sat 7/19

12:50 am-3:23 pm

2 stops38h 33m

$739

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 $406). 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 April 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.

Rainfall in Idaho by month

Plan your trip to Idaho by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

Plan your trip to Idaho by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

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 April 30, 2025.
Read reviews from past customers who have flown Alaska Airlines, United Airlines and American Airlines from San José to Idaho. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $174. Alaska Airlines flights start at $246 while deals on American Airlines start at $270 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 $406). 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$262Average$619FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$312Average$559FlexibilityNo cancel feeOn-time69%

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