HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San José

$214+ Cheap flights from Idaho to San José (SJO)

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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJO
Jul 18 — Jul 251
Sat 7/18
Sat 7/25
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho to San José 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 Idaho to San José

Cheapest flights from Idaho to San José
Explore the most affordable flight options available from Idaho to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2026.

This oojo deal was found by Cheapflights users on 6/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:03 am
BOI
-
SJO
2 stops15h 12m
Multiple Airlines
Wed 8/129:40 am
SJO
-
BOI
2 stops24h 32m
Multiple Airlines
Deal found 6/13$442
This Avianca deal was found by Cheapflights users on 6/16. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:00 am
BOI
-
SJO
2 stops15h 15m
Multiple Airlines
Sat 11/215:45 am
SJO
-
BOI
2 stops18h 10m
Multiple Airlines
Deal found 6/16$450
This oojo deal was found by Cheapflights users on 6/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:05 am
BOI
-
SJO
2 stops16h 10m
Multiple Airlines
Sat 8/297:45 pm
SJO
-
BOI
3 stops16h 48m
Multiple Airlines
Deal found 6/15$454
This oojo deal was found by Cheapflights users on 6/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:05 am
BOI
-
SJO
2 stops16h 10m
Multiple Airlines
Fri 10/912:40 pm
SJO
-
BOI
3 stops34h 17m
Multiple Airlines
Deal found 6/15$455
This oojo deal was found by Cheapflights users on 6/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:03 am
BOI
-
SJO
2 stops15h 37m
Multiple Airlines
Sun 12/65:00 am
SJO
-
BOI
2 stops18h 55m
Multiple Airlines
Deal found 6/17$457
This oojo deal was found by Cheapflights users on 6/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:05 am
BOI
-
SJO
3 stops28h 40m
Multiple Airlines
Wed 9/309:40 am
SJO
-
BOI
2 stops26h 53m
Multiple Airlines
Deal found 6/16$458
This oojo deal was found by Cheapflights users on 6/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:18 am
BOI
-
SJO
2 stops14h 22m
Multiple Airlines
Tue 12/85:00 am
SJO
-
BOI
2 stops18h 55m
Multiple Airlines
Deal found 6/14$462
This oojo deal was found by Cheapflights users on 6/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:57 pm
BOI
-
SJO
2 stops28h 18m
Multiple Airlines
Wed 11/257:50 pm
SJO
-
BOI
2 stops28h 05m
Multiple Airlines
Deal found 6/16$464
This oojo deal was found by Cheapflights users on 6/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:05 am
BOI
-
SJO
3 stops28h 40m
Multiple Airlines
Tue 9/229:40 am
SJO
-
BOI
2 stops26h 53m
Multiple Airlines
Deal found 6/17$468
This oojo deal was found by Cheapflights users on 6/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:57 pm
BOI
-
SJO
2 stops28h 18m
Multiple Airlines
Mon 11/235:00 am
SJO
-
BOI
2 stops18h 55m
Multiple Airlines
Deal found 6/16$469
This oojo deal was found by Cheapflights users on 6/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:47 pm
BOI
-
SJO
2 stops28h 28m
Multiple Airlines
Sun 9/2012:40 pm
SJO
-
BOI
3 stops23h 53m
Multiple Airlines
Deal found 6/15$471
This American Airlines deal was found by Cheapflights users on 6/17. 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 9/1612:45 pm
GEG
-
SJO
2 stops22h 14m
American Airlines
Wed 9/232:57 pm
SJO
-
GEG
2 stops21h 58m
American Airlines
Deal found 6/17$475

Find flight deals from Idaho to San José

Keep the following information in mind while searching for Idaho to San José flight deals. Data was last updated June 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$442
(oojo)

One-way from

$214
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$661
Provider with most accurate pricing for Boise Air Term. Gowen Fld-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-San José Juan Santamaria Intl flights.
Search Deals
From Idaho to San José Juan Santamaria Intl
Search Deals
One-way flight from Idaho to San José Juan Santamaria Intl
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to San José 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 June 18, 2026.
Use the filters below to find and compare flights from Idaho to San José that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Tue 8/4

8:03 am-11:15 pm

2 stops15h 12m

San José Juan Santamaria Intl

Wed 8/12

9:40 am-10:12 am

2 stops24h 32m

$442

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Sat 11/7

4:05 pm-6:25 am

2 stops13h 20m

San José Juan Santamaria Intl

Sun 11/22

9:40 am-7:16 pm

1 stop10h 36m

$493

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Thu 10/1

6:47 pm-11:45 am

3 stops16h 58m

San José Juan Santamaria Intl

Fri 10/9

5:05 am-10:57 pm

2 stops17h 52m

$498
Quickest round-trip

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Sat 8/15

7:05 pm-7:15 am

1 stop12h 10m

San José Juan Santamaria Intl

Sat 12/5

7:30 am-5:55 pm

1 stop11h 25m

$503

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Mon 11/2

6:55 pm-11:25 am

2 stops15h 30m

San José Juan Santamaria Intl

Mon 11/23

9:40 am-7:16 pm

1 stop10h 36m

$537

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Tue 10/13

3:40 pm-6:00 am

2 stops13h 20m

San José Juan Santamaria Intl

Tue 10/20

12:35 pm-10:15 pm

1 stop10h 40m

$549

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Thu 10/1

11:35 pm-11:54 am

1 stop12h 19m

San José Juan Santamaria Intl

Fri 10/9

1:23 pm-10:05 am

2 stops20h 42m

$563

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Mon 10/19

4:05 pm-12:21 pm

2 stops20h 16m

San José Juan Santamaria Intl

Fri 10/23

1:25 pm-9:53 am

2 stops20h 28m

$595

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Wed 9/16

1:09 pm-7:15 am

1 stop17h 06m

San José Juan Santamaria Intl

Wed 9/23

1:25 pm-12:36 pm

2 stops24h 11m

$595

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Mon 11/9

12:30 pm-1:15 pm

2 stops22h 45m

San José Juan Santamaria Intl

Sat 11/14

9:40 am-11:38 pm

1 stop15h 58m

$595

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 51 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Idaho to San José

Have a flexible travel schedule? Discover the best time to fly to San José from Idaho 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 Idaho to San José

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

Currently, October is the cheapest month in which you can book a flight from Idaho to San José (average of $141). Flying from Idaho to San José in June is currently the most expensive (average of $440). 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.

How much does it cost to fly round-trip from Idaho to San José?

How far ahead should I book a flight from Idaho to San José?

The price you pay for your flight from Idaho to San José may vary depending on when you book. For the best chance of a lower fare, look to book 54 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

Find useful and relevant information for your journey from Idaho to San José. 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 into for flights to San José from Idaho?

    If you book a flight to San José from Idaho, you will be flying to Juan Santamaria Intl, which is the city’s only airport. San José Juan Santamaria Intl (SJO) is located 8.8 mi from the center of San José.

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

    Airlines like Southwest, United Airlines, and American Airlines fly from Idaho to San José in about 13h 20m. The time it takes to get you to your destination can typically vary by up to 12h 26m. There are 3240 mi between Idaho and San José. This flight may include one or multiple stops.

  • What are the most popular routes from Idaho to San José?

    Most travelers choose Boise Air Term. Gowen Fld - San José Juan Santamaria Intl, Spokane - San José Juan Santamaria Intl or Jackson Hole - San José Juan Santamaria Intl when deciding on the best route from Idaho to San José.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho to San José 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 Idaho to San José?

    Currently, October is the cheapest month in which you can book a flight from Idaho to San José (average of $141). Flying from Idaho to San José in June is currently the most expensive (average of $440). 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

Traveling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Alajuela
Jacó
Heredia
Dominical
Manuel Antonio

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.

Top 5 airlines flying from Idaho to San José

Discover the top 5 airlines that operate flights from Idaho to San José. 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 June 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$141Average$815FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$279Average$625FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$315Average$468FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$371Average$582FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$477Average$698FlexibilityNo cancel feeOn-time63%

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.