$249+ Cheap flights from Idaho to San José (SJO)
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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJO
Nov 3 — Nov 101
Round-trip
1 adult, Economy
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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
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Cheapest flights from Idaho to San JoséExplore 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 October 4, 2026.
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 October 4, 2026.
This United Airlines deal was found by Cheapflights users on 9/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:10 pm -
1 stop12h 22m
Sat 11/219:40 am -
1 stop12h 35m
Deal found 9/30![United Airlines logo]()
$540
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Sat 11/77:10 pm -
1 stop12h 22m
Wed 11/119:40 am -
1 stop12h 35m
Deal found 10/1![United Airlines logo]()
$541
This American Airlines deal was found by Cheapflights users on 10/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/72:41 pm -
2 stops21h 20m
Wed 11/112:01 pm -
2 stops22h 24m
Deal found 10/1![American Airlines logo]()
$545
This American Airlines deal was found by Cheapflights users on 10/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:14 pm -
2 stops17h 23m
Sun 12/133:54 pm -
2 stops23h 01m
Deal found 10/2![American Airlines logo]()
$550
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Sat 11/142:41 pm -
2 stops21h 20m
Sat 11/213:03 pm -
1 stop21h 25m
Deal found 9/30![American Airlines logo]()
$556
This American Airlines deal was found by Cheapflights users on 10/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/22:49 pm -
1 stop21h 54m
Sat 12/123:54 pm -
2 stops22h 34m
Deal found 10/2![American Airlines logo]()
$557
This Delta deal was found by Cheapflights users on 9/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1511:10 pm -
1 stop13h 02m
Mon 11/237:00 am -
1 stop15h 59m
Deal found 9/30![Delta logo]()
$558
This Delta deal was found by Cheapflights users on 10/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1611:10 pm -
1 stop13h 02m
Tue 11/247:00 am -
2 stops16h 26m
Deal found 10/3![Delta logo]()
$599
This American Airlines deal was found by Cheapflights users on 10/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/41:41 pm -
2 stops22h 19m
Sun 12/133:54 pm -
2 stops26h 11m
Deal found 10/2![American Airlines logo]()
$650
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:30 pm -
2 stops16h 55m
Wed 11/118:45 am -
2 stops26h 08m
Deal found 9/29![United Airlines logo]()
$684
This American Airlines deal was found by Cheapflights users on 10/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/21:35 pm -
2 stops22h 32m
Mon 11/93:54 pm -
2 stops22h 11m
Deal found 10/3![American Airlines logo]()
$690
This KAYAK deal was found by Cheapflights users on 10/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:36 am -
2 stops30h 10m
Mon 11/92:46 pm -
1 stop23h 19m
Deal found 10/3![GOL logo]()
$1,011
Best flights from Idaho to San JoséDiscover carefully curated flight deals from Idaho to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 4, 2026.
Discover carefully curated flight deals from Idaho to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 4, 2026.
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Sat 11/77:10 pm -
1 stop12h 22m
Wed 11/119:40 am -
1 stop12h 35m
Deal found 10/1![United Airlines logo]()
$541
This Alaska Airlines deal was found by Cheapflights users on 10/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/17:37 pm -
2 stops26h 48m
Thu 2/41:23 am -
2 stops18h 32m
Deal found 10/2![Alaska Airlines logo]()
$649
This American Airlines deal was found by Cheapflights users on 10/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/41:41 pm -
2 stops22h 19m
Sun 12/133:54 pm -
2 stops26h 11m
Deal found 10/2![American Airlines logo]()
$650
This Southwest deal was found by Cheapflights users on 10/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/173:45 pm -
2 stops20h 30m
Wed 11/253:25 pm -
2 stops19h 35m
Deal found 10/1![Southwest logo]()
$665
This oojo deal was found by Cheapflights users on 9/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:48 am -
3 stops20h 47m
Sat 11/74:15 pm -
3 stops43h 36m
Deal found 9/29![Multiple Airlines logo]()
$1,245
This United Airlines deal was found by Cheapflights users on 10/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:10 pm -
2 stops15h 15m
Mon 11/239:40 am -
1 stop12h 35m
Deal found 10/3![United Airlines logo]()
$675
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:30 pm -
2 stops16h 55m
Wed 11/118:45 am -
2 stops26h 08m
Deal found 9/29![United Airlines logo]()
$684
This American Airlines deal was found by Cheapflights users on 10/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/71:42 pm -
1 stop29h 12m
Mon 1/113:56 pm -
2 stops22h 16m
Deal found 10/1![American Airlines logo]()
$759
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/11:35 pm -
2 stops22h 47m
Fri 2/58:45 am -
2 stops28h 46m
Deal found 9/29![United Airlines logo]()
$684
This Southwest deal was found by Cheapflights users on 9/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:30 pm -
2 stops17h 20m
Tue 11/242:10 pm -
2 stops20h 55m
Deal found 9/30![Southwest logo]()
$901
This United Airlines deal was found by Cheapflights users on 9/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:10 pm -
1 stop12h 22m
Thu 11/198:45 am -
2 stops15h 14m
Deal found 9/30![United Airlines logo]()
$768
This Alaska Airlines deal was found by Cheapflights users on 9/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:48 am -
2 stops31h 42m
Fri 11/61:46 am -
2 stops34h 05m
Deal found 9/29![Alaska Airlines logo]()
$1,068
This American Airlines deal was found by Cheapflights users on 9/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/121:48 pm -
1 stop8h 38m
Fri 2/1912:35 am -
1 stop13h 43m
Deal found 9/29![American Airlines logo]()
$1,046
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/52:35 pm -
2 stops20h 40m
Mon 1/181:15 am -
2 stops33h 13m
Deal found 9/29![United Airlines logo]()
$797
This United Airlines deal was found by Cheapflights users on 10/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/111:35 pm -
2 stops27h 41m
Sat 2/206:40 am -
1 stop16h 46m
Deal found 10/3![United Airlines logo]()
$873
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Tue 11/1712:00 pm -
1 stop19h 32m
Wed 11/259:40 am -
1 stop26h 39m
Deal found 10/1![United Airlines logo]()
$933
Last-minute flights from Idaho to San JoséDiscover last-minute flight deals from Idaho to San José. Data last updated October 4, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to San José. Data last updated October 4, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:41 pm -
2 stops21h 19m
Wed 10/71:00 pm -
2 stops24h 22m
Deal found 10/1![American Airlines logo]()
$645
This American Airlines deal was found by Cheapflights users on 10/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/21:35 pm -
2 stops22h 32m
Mon 11/93:54 pm -
2 stops22h 11m
Deal found 10/3![American Airlines logo]()
$690
This KAYAK deal was found by Cheapflights users on 10/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:36 am -
2 stops30h 10m
Mon 11/92:46 pm -
1 stop23h 19m
Deal found 10/3![GOL logo]()
$1,011
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Sat 11/77:10 pm -
1 stop12h 22m
Wed 11/119:40 am -
1 stop12h 35m
Deal found 10/1![United Airlines logo]()
$541
This American Airlines deal was found by Cheapflights users on 10/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/72:41 pm -
2 stops21h 20m
Wed 11/112:01 pm -
2 stops22h 24m
Deal found 10/1![American Airlines logo]()
$545
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:30 pm -
2 stops16h 55m
Wed 11/118:45 am -
2 stops26h 08m
Deal found 9/29![United Airlines logo]()
$684
This United Airlines deal was found by Cheapflights users on 9/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:10 pm -
1 stop12h 22m
Sat 11/219:40 am -
1 stop12h 35m
Deal found 9/30![United Airlines logo]()
$540
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Sat 11/142:41 pm -
2 stops21h 20m
Sat 11/213:03 pm -
1 stop21h 25m
Deal found 9/30![American Airlines logo]()
$556
This Delta deal was found by Cheapflights users on 9/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1511:10 pm -
1 stop13h 02m
Mon 11/237:00 am -
1 stop15h 59m
Deal found 9/30![Delta logo]()
$558
This Delta deal was found by Cheapflights users on 10/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1611:10 pm -
1 stop13h 02m
Tue 11/247:00 am -
2 stops16h 26m
Deal found 10/3![Delta logo]()
$599
This American Airlines deal was found by Cheapflights users on 10/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/172:41 pm -
2 stops21h 20m
Tue 11/2412:37 am -
1 stop24h 12m
Deal found 10/1![American Airlines logo]()
$602
This American Airlines deal was found by Cheapflights users on 10/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/172:41 pm -
2 stops21h 20m
Mon 11/2312:37 am -
1 stop11h 51m
Deal found 10/2![American Airlines logo]()
$638
One-way flights from Idaho to San JoséSearch for one-way flight options from Idaho to San José. Find affordable one-way fares based on user searches. Data last updated October 4, 2026.
Search for one-way flight options from Idaho to San José. Find affordable one-way fares based on user searches. Data last updated October 4, 2026.
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:00 pm -
1 stop19h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![United Airlines logo]()
$249
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:30 am -
2 stops27h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![United Airlines logo]()
$319
This Justfly.com deal was found by Cheapflights users on 9/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:30 pm -
3 stops15h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/192:49 pm -
3 stops44h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Multiple Airlines logo]()
$401
This KAYAK deal was found by Cheapflights users on 9/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:18 pm -
2 stops31h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![GOL logo]()
$448
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Thu 11/196:44 am -
1 stop15h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![American Airlines logo]()
$724
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 October 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $459 (American Airlines) |
One-way from | $249 (United Airlines) |
Popular in | December |
Cheapest in | November |
Average price | $565 |
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 7,457,451 searches. Data last updated October 4, 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
Cheapest round-trip
BoiseSan José
BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl
BOISJO
Boise Air Term. Gowen Fld
Wed 11/4
12:00 pm-8:32 am
1 stop19h 32m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$249
BoiseSan José
BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl
BOISJO
Boise Air Term. Gowen Fld
Thu 11/5
6:30 am-11:25 am
2 stops27h 55m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$319
BoiseSan José
BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl
BOISJO
Boise Air Term. Gowen Fld
Wed 11/4
7:30 pm-11:45 am
3 stops15h 15m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$342
Quickest round-trip
BoiseSan José
BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl
BOISJO
Boise Air Term. Gowen Fld
Thu 11/19
10:13 am-11:40 pm
2 stops12h 27m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$445
BoiseSan José
BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl
BOISJO
Boise Air Term. Gowen Fld
Thu 11/19
12:18 pm-8:57 pm
2 stops31h 39m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$448
BoiseSan José
BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl
BOISJO
Boise Air Term. Gowen Fld
Sat 11/7
7:10 pm-8:32 am
1 stop12h 22m
San José Juan Santamaria Intl
Wed 11/11
9:40 am-9:15 pm
1 stop12h 35m
$541
HaileySan José
SUN Hailey Sun Valley-Friedman - SJO San José Juan Santamaria Intl
SUNSJO
Hailey Sun Valley-Friedman
Mon 2/1
7:37 pm-11:25 pm
2 stops26h 48m
San José Juan Santamaria Intl
Thu 2/4
1:23 am-6:55 pm
2 stops18h 32m
$649
Idaho FallsSan José
IDA Idaho Falls Fanning Field - SJO San José Juan Santamaria Intl
IDASJO
Idaho Falls Fanning Field
Fri 12/4
1:41 pm-1:00 pm
2 stops22h 19m
San José Juan Santamaria Intl
Sun 12/13
3:54 pm-5:05 pm
2 stops26h 11m
$650
BoiseSan José
BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl
BOISJO
Boise Air Term. Gowen Fld
Tue 11/17
3:45 pm-1:15 pm
2 stops20h 30m
San José Juan Santamaria Intl
Wed 11/25
3:25 pm-10:00 am
2 stops19h 35m
$665
BoiseSan José
BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl
BOISJO
Boise Air Term. Gowen Fld
Sun 11/15
7:10 pm-11:25 am
2 stops15h 15m
San José Juan Santamaria Intl
Mon 11/23
9:40 am-9:15 pm
1 stop12h 35m
$675
Showing 1-10 of 21 resultsSorted by cheapest first
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.
BOI-SJO
IDA-SJO
SUN-SJO
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.
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Everything you need to know about your flight from Idaho to San José
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What is the cheapest month to book a flight from Idaho to San José?
Currently, November is the cheapest month in which you can book a flight from Idaho to San José (average of $390). Flying from Idaho to San José in December is currently the most expensive (average of $1,373). 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?
Airfare is typical for this route at the moment.
Idaho to San José flights typically cost between $399 and $581 in November.The cheapest round-trip price found within the last 5 days was $540 on United Airlines (Nov 14-Nov 21).
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 16 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.
Traveling to a place near San José?
Book flights to San José if you plan to visit one of these locationsAlajuela
Jacó
Heredia
Dominical
Manuel Antonio
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Idaho and San José flights
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Top 3 airlines flying from Idaho to San José
Discover the top 3 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 7,457,451 searches. Data last updated October 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$353 | Average$580 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$404 | Average$694 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$454 | Average$617 | FlexibilityNo cancel fee | On-time63% |