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Idaho

$165+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — BOI
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap 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 December 15, 2025.

This United Airlines deal was found by Cheapflights users on 12/13. 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 12/238:45 amSJO - IDA
2 stops26h 13mUnited Airlines
Thu 1/82:40 pmIDA - SJO
2 stops26h 36mUnited Airlines
Deal found 12/13$313
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Sun 12/217:30 amSJO - IDA
1 stop16h 29mUnited Airlines
Mon 12/294:05 pmIDA - SJO
2 stops25h 11mUnited Airlines
Deal found 12/15$355
This United Airlines deal was found by Cheapflights users on 12/15. 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 12/252:20 pmSJO - IDA
2 stops20h 38mUnited Airlines
Fri 1/25:00 amIDA - SJO
2 stops24h 25mUnited Airlines
Deal found 12/15$403
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Wed 12/317:30 amSJO - IDA
1 stop27h 28mUnited Airlines
Thu 1/84:19 pmIDA - SJO
1 stop28h 41mUnited Airlines
Deal found 12/15$434
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Mon 12/298:45 amSJO - IDA
2 stops26h 13mUnited Airlines
Wed 1/74:19 pmIDA - SJO
2 stops24h 57mUnited Airlines
Deal found 12/15$475
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Wed 12/317:30 amSJO - IDA
1 stop27h 28mUnited Airlines
Fri 1/94:19 pmIDA - SJO
2 stops19h 56mUnited Airlines
Deal found 12/15$476
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Sun 12/217:30 amSJO - IDA
1 stop16h 29mUnited Airlines
Sat 12/272:30 pmIDA - SJO
1 stop30h 30mUnited Airlines
Deal found 12/15$490
This United Airlines deal was found by Cheapflights users on 12/15. 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 12/307:30 amSJO - IDA
1 stop27h 28mUnited Airlines
Thu 1/84:19 pmIDA - SJO
1 stop28h 41mUnited Airlines
Deal found 12/15$520
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Wed 12/317:30 amSJO - IDA
1 stop27h 28mUnited Airlines
Wed 1/74:19 pmIDA - SJO
2 stops24h 57mUnited Airlines
Deal found 12/15$524
This United Airlines deal was found by Cheapflights users on 12/15. 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 12/267:30 amSJO - IDA
1 stop27h 28mUnited Airlines
Fri 1/25:00 amIDA - SJO
2 stops24h 25mUnited Airlines
Deal found 12/15$525
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Mon 12/298:45 amSJO - IDA
2 stops26h 13mUnited Airlines
Mon 1/52:30 pmIDA - SJO
2 stops29h 09mUnited Airlines
Deal found 12/15$563
This United Airlines deal was found by Cheapflights users on 12/13. 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 12/2312:35 pmSJO - IDA
2 stops22h 23mUnited Airlines
Fri 12/2610:45 amIDA - SJO
2 stops34h 47mUnited Airlines
Deal found 12/13$573

Find 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 December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$282
(United Airlines)

One-way from

$165
(United Airlines)

Popular in

February

Cheapest in

July

Average price

$559
Provider with most accurate pricing for San José Juan Santamaria Intl-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-Boise Air Term. Gowen Fld flights.
Search Deals
From San José Juan Santamaria Intl to Idaho
Search Deals
One-way flight from San José Juan Santamaria Intl to Idaho
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 15, 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 JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Sun 1/18

6:30 am-9:56 am

2 stops28h 26m

Idaho Falls Fanning Field

Mon 1/26

4:19 pm-1:15 pm

2 stops19h 56m

$282

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Wed 1/28

2:20 pm-1:30 pm

2 stops24h 10m

Idaho Falls Fanning Field

Wed 2/4

7:00 am-12:56 pm

2 stops28h 56m

$282

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Sun 1/18

6:30 am-9:56 am

2 stops28h 26m

Idaho Falls Fanning Field

Sun 1/25

4:19 pm-1:15 pm

2 stops19h 56m

$282

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Sun 1/18

6:30 am-9:56 am

2 stops28h 26m

Idaho Falls Fanning Field

Tue 1/27

4:19 pm-6:16 pm

2 stops24h 57m

$282

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Thu 1/22

6:30 am-10:44 am

2 stops30h 14m

Spokane

Mon 1/26

4:10 pm-8:39 pm

2 stops26h 29m

$296

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Fri 1/16

6:30 am-9:56 am

2 stops28h 26m

Idaho Falls Fanning Field

Fri 1/23

4:19 pm-1:15 pm

2 stops19h 56m

$313

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Wed 1/21

6:30 am-9:56 am

2 stops28h 26m

Idaho Falls Fanning Field

Thu 1/29

4:19 pm-12:56 pm

2 stops19h 37m

$313

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Sat 1/24

6:30 am-9:56 am

2 stops28h 26m

Idaho Falls Fanning Field

Sun 2/1

4:19 pm-1:15 pm

2 stops19h 56m

$313

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Wed 1/21

6:30 am-9:56 am

2 stops28h 26m

Idaho Falls Fanning Field

Wed 1/28

4:19 pm-6:16 pm

2 stops24h 57m

$313

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Tue 1/20

6:30 am-9:56 am

2 stops28h 26m

Idaho Falls Fanning Field

Wed 1/28

4:19 pm-6:16 pm

2 stops24h 57m

$355

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 27 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 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 $476). 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 December 15, 2025.

It’s typically best to fly out from San José to Idaho in the afternoon. Doing so could potentially save you 36% 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 December 15, 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
9,092 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
United Airlines
7.4
Good
9,092 reviews
United Airlines
7.4
Good
9,092 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

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 United Airlines fly from San José to Idaho in about 28h 26m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 2854 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 $476). 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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San José to Baltimore flights
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Liberia to Newark flights
Liberia to John F Kennedy Intl flights
San José to Philadelphia flights
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San José to Love Field flights
San José to Sky Harbor Intl flights
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San José to San Diego flights
Liberia to Los Angeles flights
San José to Kansas City flights
San José to Detroit flights
Liberia to Atlanta flights
San José to Minneapolis flights
Liberia to Miami flights
Liberia to LaGuardia flights
San José to Hartford flights
San José to Reno flights
San José to Indianapolis flights
San José to Anchorage flights
San José to Sacramento flights

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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$300Average$506FlexibilityNo cancel feeOn-time69%

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