$208+ 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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — BOI
Mar 5 — Mar 121
1 adult, Economy
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Cheapest flights from San José to IdahoExplore 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 February 3, 2026.
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 February 3, 2026.
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:13 am
SJO
- IDA
2 stops22h 40m
United Airlines
Wed 4/295:20 pm
IDA
- SJO
2 stops19h 01m
United Airlines
Deal found 2/2![United Airlines logo]()
$316
This United Airlines deal was found by Cheapflights users on 1/31. 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 2/59:40 am
SJO
- GEG
1 stop11h 36m
United Airlines
Sun 2/84:10 pm
GEG
- SJO
2 stops18h 46m
United Airlines
Deal found 1/31![United Airlines logo]()
$350
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:40 am
SJO
- IDA
1 stop27h 13m
United Airlines
Wed 4/295:20 pm
IDA
- SJO
2 stops19h 01m
United Airlines
Deal found 2/2![United Airlines logo]()
$515
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/48:45 am
SJO
- IDA
2 stops26h 11m
United Airlines
Sun 2/84:19 pm
IDA
- SJO
2 stops27h 20m
United Airlines
Deal found 2/2![United Airlines logo]()
$670
This Alaska Airlines deal was found by Cheapflights users on 1/31. 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.
Wed 2/41:16 am
SJO
- GEG
1 stop23h 14m
Alaska Airlines
Sun 2/86:50 am
GEG
- SJO
1 stop15h 09m
Alaska Airlines
Deal found 1/31![Alaska Airlines logo]()
$742
This Gurufare deal was found by Cheapflights users on 2/3. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/275:30 am
SJO
- GEG
2 stops12h 56m
Avianca
Sat 4/44:01 pm
GEG
- SJO
2 stops26h 36m
Avianca
Deal found 2/3![Avianca logo]()
$843
This United Airlines deal was found by Cheapflights users on 2/1. 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 3/275:30 am
SJO
- GEG
2 stops32h 11m
United Airlines
Sat 4/41:43 pm
GEG
- SJO
2 stops28h 54m
United Airlines
Deal found 2/1![United Airlines logo]()
$881
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2712:19 pm
SJO
- GEG
2 stops36h 40m
Multiple Airlines
Sat 4/46:12 pm
GEG
- SJO
1 stop28h 41m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$996
This Expedia deal was found by Cheapflights users on 2/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/261:03 am
SJO
- GEG
2 stops23h 07m
Alaska Airlines
Sat 4/46:12 pm
GEG
- SJO
1 stop28h 41m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$1,088
Best flights from San José to IdahoDiscover carefully curated flight deals from San José to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
Discover carefully curated flight deals from San José to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Thu 4/2311:13 am
SJO
- IDA
2 stops22h 40m
United Airlines
Wed 4/295:20 pm
IDA
- SJO
2 stops19h 01m
United Airlines
Deal found 2/1![United Airlines logo]()
$316
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:00 am
SJO
- IDA
2 stops27h 53m
United Airlines
Wed 4/295:20 pm
IDA
- SJO
2 stops26h 17m
United Airlines
Deal found 2/2![United Airlines logo]()
$316
This Gurufare deal was found by Cheapflights users on 2/3. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/275:30 am
SJO
- GEG
2 stops12h 56m
Avianca
Sat 4/44:01 pm
GEG
- SJO
2 stops26h 36m
Avianca
Deal found 2/3![Avianca logo]()
$843
This Expedia deal was found by Cheapflights users on 2/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/261:03 am
SJO
- GEG
2 stops23h 07m
Alaska Airlines
Sat 4/46:12 pm
GEG
- SJO
1 stop28h 41m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$1,088
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/261:03 am
SJO
- GEG
1 stop22h 49m
Multiple Airlines
Sat 4/46:12 pm
GEG
- SJO
1 stop28h 41m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,358
This United Airlines deal was found by Cheapflights users on 2/1. 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 3/275:30 am
SJO
- GEG
2 stops32h 11m
United Airlines
Sat 4/41:43 pm
GEG
- SJO
2 stops28h 54m
United Airlines
Deal found 2/1![United Airlines logo]()
$881
Last-minute flights from San José to IdahoDiscover last-minute flight deals from San José to Idaho. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from San José to Idaho. Data last updated February 3, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/48:45 am
SJO
- IDA
2 stops26h 11m
United Airlines
Sun 2/84:19 pm
IDA
- SJO
2 stops27h 20m
United Airlines
Deal found 2/2![United Airlines logo]()
$670
This Alaska Airlines deal was found by Cheapflights users on 1/31. 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.
Wed 2/41:16 am
SJO
- GEG
1 stop23h 14m
Alaska Airlines
Sun 2/86:50 am
GEG
- SJO
1 stop15h 09m
Alaska Airlines
Deal found 1/31![Alaska Airlines logo]()
$742
This United Airlines deal was found by Cheapflights users on 1/31. 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 2/59:40 am
SJO
- GEG
1 stop11h 36m
United Airlines
Sun 2/84:10 pm
GEG
- SJO
2 stops18h 46m
United Airlines
Deal found 1/31![United Airlines logo]()
$350
This Expedia deal was found by Cheapflights users on 2/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/261:03 am
SJO
- GEG
2 stops23h 07m
Alaska Airlines
Sat 4/46:12 pm
GEG
- SJO
1 stop28h 41m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$1,088
This Gurufare deal was found by Cheapflights users on 2/3. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/275:30 am
SJO
- GEG
2 stops12h 56m
Avianca
Sat 4/44:01 pm
GEG
- SJO
2 stops26h 36m
Avianca
Deal found 2/3![Avianca logo]()
$843
This United Airlines deal was found by Cheapflights users on 2/1. 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 3/275:30 am
SJO
- GEG
2 stops32h 11m
United Airlines
Sat 4/41:43 pm
GEG
- SJO
2 stops28h 54m
United Airlines
Deal found 2/1![United Airlines logo]()
$881
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2712:19 pm
SJO
- GEG
2 stops36h 40m
Multiple Airlines
Sat 4/46:12 pm
GEG
- SJO
1 stop28h 41m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$996
One-way flights from San José to IdahoSearch for one-way flight options from San José to Idaho. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
Search for one-way flight options from San José to Idaho. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/78:45 am
SJO
- GEG
2 stops14h 37m
United Airlines
Deal found 2/2![United Airlines logo]()
$208
This Expedia deal was found by Cheapflights users on 2/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/712:40 pm
SJO
- GEG
3 stops28h 45m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 4/111:35 pm
SJO
- GEG
1 stop25h 48m
American Airlines
Deal found 2/3![American Airlines logo]()
$403
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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.
Tue 3/311:03 am
SJO
- GEG
2 stops23h 07m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$447
This AranGrant deal was found by Cheapflights users on 2/3. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/263:59 pm
SJO
- GEG
2 stops31h 13m
GOL
Deal found 2/3![GOL logo]()
$497
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Fri 2/278:45 am
SJO
- GEG
2 stops38h 32m
United Airlines
Deal found 2/3![United Airlines logo]()
$518
This AranGrant deal was found by Cheapflights users on 2/3. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/269:40 am
SJO
- GEG
1 stop13h 27m
Azul
Deal found 2/3![Azul logo]()
$737
This Alaska Airlines deal was found by Cheapflights users on 2/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/101:03 am
SJO
- GEG
2 stops31h 38m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$750
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:40 am
SJO
- GEG
1 stop9h 35m
United Airlines
Deal found 2/2![United Airlines logo]()
$788
This Travelocity deal was found by Cheapflights users on 2/3. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:00 am
SJO
- GEG
3 stops19h 59m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$818
This KAYAK deal was found by Cheapflights users on 2/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/63:59 pm
SJO
- IDA
2 stops32h 25m
GOL
Deal found 2/1![GOL logo]()
$839
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/62:54 pm
SJO
- IDA
3 stops26h 49m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,741
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 February 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $316 (United Airlines) |
One-way from | $208 (United Airlines) |
Popular in | January |
Cheapest in | July |
Average price | $599 |
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 February 3, 2026.
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
Thu 4/23
11:13 am-9:53 am
2 stops22h 40m
Idaho Falls Fanning Field
Wed 4/29
5:20 pm-12:21 pm
2 stops19h 01m
$316
San JoséIdaho Falls
SJO - IDA
SJOIDA
San José Juan Santamaria Intl
Sat 4/25
6:00 am-9:53 am
2 stops27h 53m
Idaho Falls Fanning Field
Wed 4/29
5:20 pm-7:37 pm
2 stops26h 17m
$316
San JoséSpokane
SJO - GEG
SJOGEG
San José Juan Santamaria Intl
Fri 3/27
5:30 am-5:26 pm
2 stops12h 56m
Spokane
Sat 4/4
4:01 pm-7:37 pm
2 stops26h 36m
$843
San JoséSpokane
SJO - GEG
SJOGEG
San José Juan Santamaria Intl
Fri 3/27
5:30 am-12:41 pm
2 stops32h 11m
Spokane
Sat 4/4
1:43 pm-7:37 pm
2 stops28h 54m
$881
San JoséSpokane
SJO - GEG
SJOGEG
San José Juan Santamaria Intl
Thu 3/26
1:03 am-11:10 pm
2 stops23h 07m
Spokane
Sat 4/4
6:12 pm-11:53 pm
1 stop28h 41m
$1,088
San JoséSpokane
SJO - GEG
SJOGEG
San José Juan Santamaria Intl
Thu 3/26
1:03 am-10:52 pm
1 stop22h 49m
Spokane
Sat 4/4
6:12 pm-11:53 pm
1 stop28h 41m
$1,358
San JoséSpokane
SJO - GEG
SJOGEG
San José Juan Santamaria Intl
Sat 2/7
7:30 am-3:21 pm
1 stop9h 51m
$208
San JoséSpokane
SJO - GEG
SJOGEG
San José Juan Santamaria Intl
Sat 2/7
12:40 pm-3:25 pm
3 stops28h 45m
$321
San JoséSpokane
SJO - GEG
SJOGEG
San José Juan Santamaria Intl
Wed 4/1
11:35 pm-12:23 am
1 stop25h 48m
$403
San JoséSpokane
SJO - GEG
SJOGEG
San José Juan Santamaria Intl
Tue 3/31
1:03 am-11:10 pm
2 stops23h 07m
$447
Showing 1-10 of 16 results
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.
SJO-IDA
SJO-GEG
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
SJO-USID
SJO-IDA
SJO-GEG
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 January is currently the most expensive (average of $487). 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.
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 February 3, 2026.
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.
Comfort
7.3
Entertainment
7.1
Food
6.6
Boarding
7.7
Overall
7.4
Crew
8.1
Reviews
1 / 20
6.0
GoodGerry,Jan 2026
YVR - DEN
Comfort
7.3
Entertainment
7.1
Food
6.6
Boarding
7.7
Overall
7.4
Crew
8.1
Reviews
1 / 20
6.0
GoodGerry,Jan 2026
YVR - DEN
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.
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Alternative routes for San José to Idaho
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San José and Idaho flights
Browse other San José and Idaho flight options. Last updated on February 3, 2026.
Popular flight searches
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San José to Idaho flights
Consider these flights traveling from San José to Idaho.
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 February 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$300 | Average$396 | FlexibilityNo cancel fee | On-time69% |