Idaho

$449+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — BOI
Jan 26 — Feb 21
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San José to Idaho with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San José to Idaho

Discover tips and strategies to find the most affordable flight options for your journey from San José (SJO) to Idaho (USID). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$449
(United Airlines)
From San José Juan Santamaria Intl to Idaho

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 January 21, 2025.

This United Airlines deal was found by Cheapflights users on 1/21. 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 5/61:30 pmSJO - GEG
2 stops26h 11mUnited Airlines
Tue 5/134:10 pmGEG - SJO
2 stops43h 16mUnited Airlines
Deal found 1/21$449
This American Airlines deal was found by Cheapflights users on 1/21. 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 10/112:50 pmSJO - GEG
2 stops23h 50mMultiple Airlines
Sat 10/118:40 pmGEG - SJO
2 stops15h 37mMultiple Airlines
Deal found 1/21$457
This American Airlines deal was found by Cheapflights users on 1/21. 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 5/611:30 pmSJO - GEG
1 stop13h 19mAmerican Airlines
Tue 5/132:19 pmGEG - SJO
1 stop21h 50mAmerican Airlines
Deal found 1/21$544
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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
1 stop22h 17mAlaska Airlines
Tue 5/137:00 amGEG - SJO
1 stop15h 52mAlaska Airlines
Deal found 1/21$621
This United Airlines deal was found by Cheapflights users on 1/20. 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 1/246:30 amSJO - IDA
2 stops15h 38mUnited Airlines
Sun 1/262:28 pmIDA - SJO
2 stops29h 11mUnited Airlines
Deal found 1/20$697
This American Airlines deal was found by Cheapflights users on 1/20. 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 6/282:35 pmSJO - IDA
2 stops21h 43mAmerican Airlines
Thu 7/101:53 pmIDA - SJO
1 stop8h 07mAmerican Airlines
Deal found 1/20$951
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 6/271:26 amSJO - IDA
2 stops21h 12mAlaska Airlines
Thu 7/108:00 amIDA - SJO
2 stops38h 00mAlaska Airlines
Deal found 1/20$1,351
This Orbitz deal was found by Cheapflights users on 1/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/286:10 amSJO - IDA
3 stops16h 28mMultiple Airlines
Thu 7/108:00 amIDA - SJO
2 stops38h 00mMultiple Airlines
Deal found 1/20$1,452

Find flights from San José to Idaho within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Tue 5/6

1:30 pm-2:41 pm

2 stops26h 11m

Spokane

Tue 5/13

4:10 pm-12:26 pm

2 stops43h 16m

$449

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Tue 5/6

11:30 pm-11:49 am

1 stop13h 19m

Spokane

Tue 5/13

2:19 pm-1:09 pm

1 stop21h 50m

$544

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Tue 5/6

11:30 pm-12:31 pm

2 stops14h 01m

Spokane

Tue 5/13

2:19 pm-1:09 pm

1 stop21h 50m

$592

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Mon 5/5

1:12 am-10:29 pm

1 stop22h 17m

Spokane

Tue 5/13

7:00 am-11:52 pm

1 stop15h 52m

$621

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Sat 6/28

2:35 pm-12:18 pm

2 stops21h 43m

Idaho Falls Fanning Field

Thu 7/10

1:53 pm-10:00 pm

1 stop8h 07m

$951

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Sat 6/28

6:00 am-9:28 am

2 stops27h 28m

Idaho Falls Fanning Field

Thu 7/10

5:57 pm-10:39 pm

2 stops28h 42m

$952

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Fri 6/27

1:26 am-10:38 pm

2 stops21h 12m

Idaho Falls Fanning Field

Thu 7/10

8:00 am-10:00 pm

2 stops38h 00m

$1,351

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Sat 6/28

6:10 am-10:38 pm

3 stops16h 28m

Idaho Falls Fanning Field

Thu 7/10

8:00 am-10:00 pm

2 stops38h 00m

$1,452

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

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.

Travel insights for flights from San José to Idaho

Get recent, data-driven insights about flights from San José to Idaho including ideal travel times, pricing trends, and more.

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 $436). 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 January 21, 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 January 21, 2025.
Read reviews from past customers who have flown 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.
8.0
Very good
9,706 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

8.0
Very good
9,706 reviews
8.0
Very good
9,706 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

7.4
Good
8,985 reviews
8.0
Very good
9,706 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

7.2
Good
10,000 reviews
8.0
Very good
9,706 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

  • 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 $436). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$262Average$658FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$378Average$639FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.