San José

$207+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJO
Aug 4 — Aug 111
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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 July 5, 2026.

This Avianca deal was found by Cheapflights users on 6/30. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:05 am
BOI
-
SJO
2 stops16h 10m
Multiple Airlines
Sat 9/265:45 am
SJO
-
BOI
2 stops17h 15m
Multiple Airlines
Deal found 6/30$450
This Avianca deal was found by Cheapflights users on 7/4. 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.
Mon 10/56:57 pm
BOI
-
SJO
2 stops13h 48m
Multiple Airlines
Thu 10/85:45 am
SJO
-
BOI
2 stops17h 12m
Multiple Airlines
Deal found 7/4$452
This oojo deal was found by Cheapflights users on 7/2. 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 8/188:03 am
BOI
-
SJO
2 stops15h 12m
Multiple Airlines
Tue 8/255:05 am
SJO
-
BOI
2 stops17h 55m
Multiple Airlines
Deal found 7/2$467
This oojo deal was found by Cheapflights users on 6/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:47 pm
BOI
-
SJO
2 stops28h 28m
Multiple Airlines
Wed 9/165:05 am
SJO
-
BOI
2 stops17h 55m
Multiple Airlines
Deal found 6/30$469
This oojo deal was found by Cheapflights users on 6/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:47 pm
BOI
-
SJO
2 stops28h 28m
Multiple Airlines
Sun 9/2712:40 pm
SJO
-
BOI
3 stops23h 53m
Multiple Airlines
Deal found 6/30$470
This oojo deal was found by Cheapflights users on 7/3. 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 8/239:40 am
SJO
-
BOI
2 stops26h 53m
Multiple Airlines
Deal found 7/3$473
This oojo deal was found by Cheapflights users on 6/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:51 pm
BOI
-
SJO
2 stops15h 34m
Multiple Airlines
Fri 11/275:00 am
SJO
-
BOI
2 stops18h 55m
Multiple Airlines
Deal found 6/30$475
This United Airlines deal was found by Cheapflights users on 7/1. 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 11/44:03 pm
GEG
-
SJO
2 stops17h 22m
United Airlines
Wed 11/119:40 am
SJO
-
GEG
1 stop13h 21m
United Airlines
Deal found 7/1$480
This United Airlines deal was found by Cheapflights users on 7/1. 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 10/236:50 pm
BOI
-
SJO
1 stop12h 25m
United Airlines
Sat 10/316:30 am
SJO
-
BOI
1 stop11h 24m
United Airlines
Deal found 7/1$480
This FlightHub deal was found by Cheapflights users on 6/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/228:18 am
BOI
-
SJO
2 stops13h 57m
Multiple Airlines
Fri 11/275:45 am
SJO
-
BOI
2 stops18h 10m
Multiple Airlines
Deal found 6/30$482
This oojo deal was found by Cheapflights users on 7/1. 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 7/208:03 am
BOI
-
SJO
2 stops15h 37m
Multiple Airlines
Mon 7/277:45 pm
SJO
-
BOI
2 stops27h 00m
Multiple Airlines
Deal found 7/1$483
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Wed 9/162:11 pm
GEG
-
SJO
2 stops22h 46m
American Airlines
Wed 9/232:57 pm
SJO
-
GEG
2 stops21h 58m
American Airlines
Deal found 6/30$485

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 July 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$450
(Avianca)

One-way from

$207
(eDestinos)

Popular in

December

Cheapest in

January

Average price

$611
Provider with most accurate pricing for Boise Air Term. Gowen Fld-San José Juan Santamaria Intl flight deals.
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-San José Juan Santamaria Intl flights.
From Idaho to San José Juan Santamaria Intl
One-way flight from Idaho to San José Juan Santamaria Intl
Highest demand for flights based on searches. 3% potential increase in price ($17 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($37 potential savings vs. average RT price).
Average for round-trip flights in July 2026

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 July 5, 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
Quickest round-trip

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Tue 9/22

5:00 am-7:37 pm

2 stops14h 37m

San José Juan Santamaria Intl

Thu 9/24

8:45 am-7:29 pm

1 stop10h 44m

$545

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Fri 9/25

6:50 pm-7:15 am

1 stop12h 25m

San José Juan Santamaria Intl

Sun 9/27

8:45 am-11:59 pm

1 stop15h 14m

$562

JacksonSan José

JAC - SJO

JACSJO

Jackson Hole

Sat 9/5

1:10 pm-11:49 am

2 stops22h 39m

San José Juan Santamaria Intl

Fri 10/9

1:23 pm-12:08 pm

2 stops22h 45m

$603

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Fri 11/6

5:40 pm-11:25 am

2 stops16h 45m

San José Juan Santamaria Intl

Sat 11/14

8:45 am-9:53 am

2 stops26h 08m

$605

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Mon 11/9

7:00 am-8:32 am

1 stop23h 32m

San José Juan Santamaria Intl

Sat 11/14

9:40 am-9:01 pm

1 stop13h 21m

$609

JacksonSan José

JAC - SJO

JACSJO

Jackson Hole

Wed 9/9

4:25 pm-12:21 pm

2 stops19h 56m

San José Juan Santamaria Intl

Thu 10/8

8:45 am-5:08 pm

1 stop32h 23m

$614

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Tue 9/15

5:53 pm-7:37 pm

2 stops25h 44m

San José Juan Santamaria Intl

Thu 10/15

1:25 pm-5:16 pm

2 stops27h 51m

$615

JacksonSan José

JAC - SJO

JACSJO

Jackson Hole

Sat 9/5

9:28 am-7:15 am

1 stop21h 47m

San José Juan Santamaria Intl

Sun 10/4

8:45 am-5:08 pm

1 stop32h 23m

$618

JacksonSan José

JAC - SJO

JACSJO

Jackson Hole

Sat 9/12

8:05 am-7:37 pm

2 stops35h 32m

San José Juan Santamaria Intl

Sun 9/20

1:25 pm-1:55 pm

2 stops24h 30m

$625

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Thu 9/17

8:15 am-7:15 am

1 stop23h 00m

San José Juan Santamaria Intl

Sat 9/26

8:45 am-9:39 pm

1 stop12h 54m

$648

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/4

Showing 1-10 of 31 resultsSorted by cheapest first
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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 United Airlines, Delta, and Alaska Airlines fly from Idaho to San José in about 14h 37m. The time it takes to get you to your destination can typically vary by up to 12h 22m. There are 3008 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?

  • 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

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Alternative routes for Idaho to San José

See prices for flight routes from nearby airports that may be better suited for you.

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 July 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$141Average$815FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$279Average$635FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$315Average$470FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$371Average$582FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$454Average$698FlexibilityNo cancel feeOn-time63%

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