$257+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — BOI
Oct 31 — Nov 71
Round-trip
1 adult, Economy
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Find cheap flights from San José to Idaho with Cheapflights
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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
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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
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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 October 1, 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 October 1, 2026.
This American Airlines deal was found by Cheapflights users on 9/28. 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 10/283:01 pm -
2 stops20h 23m
Mon 11/162:41 pm -
2 stops21h 20m
Deal found 9/28![American Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 9/28. 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 10/281:00 pm -
1 stop9h 29m
Sun 11/156:14 pm -
2 stops17h 53m
Deal found 9/28![American Airlines logo]()
$467
This United Airlines deal was found by Cheapflights users on 9/28. 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 10/288:40 am -
1 stop26h 39m
Mon 11/167:10 pm -
1 stop12h 22m
Deal found 9/28![United Airlines logo]()
$529
This American Airlines deal was found by Cheapflights users on 9/27. 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 12/162:00 pm -
2 stops24h 00m
Wed 1/204:35 pm -
2 stops18h 55m
Deal found 9/27![American Airlines logo]()
$549
This American Airlines deal was found by Cheapflights users on 9/27. 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 12/91:42 pm -
2 stops22h 42m
Tue 1/191:35 pm -
2 stops21h 45m
Deal found 9/27![American Airlines logo]()
$564
This BusinessClass deal was found by Cheapflights users on 9/28. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/163:54 pm -
2 stops32h 23m
Wed 1/207:00 am -
2 stops28h 20m
Deal found 9/28![GOL logo]()
$591
This eDestinos deal was found by Cheapflights users on 9/27. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/95:35 am -
1 stop18h 24m
Tue 1/197:25 am -
1 stop14h 50m
Deal found 9/27![Multiple Airlines logo]()
$605
This United Airlines deal was found by Cheapflights users on 9/28. 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 12/168:45 am -
2 stops29h 52m
Wed 1/208:00 am -
1 stop23h 32m
Deal found 9/28![United Airlines logo]()
$623
This BusinessClass 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/263:37 pm -
2 stops20h 54m
Sun 1/107:00 am -
2 stops28h 20m
Deal found 9/30![GOL logo]()
$646
This FlightHub deal was found by Cheapflights users on 9/28. 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.
Wed 10/285:10 am -
2 stops16h 10m
Mon 11/165:35 pm -
3 stops17h 10m
Deal found 9/28![Multiple Airlines logo]()
$671
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 October 1, 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 October 1, 2026.
This United Airlines deal was found by Cheapflights users on 9/28. 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 10/288:40 am -
1 stop26h 39m
Mon 11/167:10 pm -
1 stop12h 22m
Deal found 9/28![United Airlines logo]()
$529
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.
Wed 1/201:20 pm -
2 stops24h 24m
Sat 1/304:35 pm -
2 stops18h 55m
Deal found 9/30![American Airlines logo]()
$562
This BusinessClass deal was found by Cheapflights users on 9/28. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/163:54 pm -
2 stops32h 23m
Wed 1/207:00 am -
2 stops28h 20m
Deal found 9/28![GOL logo]()
$591
This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/205:35 am -
1 stop18h 15m
Sat 1/307:25 am -
1 stop14h 50m
Deal found 10/1![Multiple Airlines logo]()
$624
This United Airlines deal was found by Cheapflights users on 9/28. 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 10/288:40 am -
1 stop26h 39m
Sun 11/158:15 am -
1 stop23h 17m
Deal found 9/28![United Airlines logo]()
$529
This BusinessClass 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/263:37 pm -
2 stops20h 54m
Sun 1/107:00 am -
2 stops28h 20m
Deal found 9/30![GOL logo]()
$646
This United Airlines deal was found by Cheapflights users on 9/28. 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 12/168:45 am -
2 stops29h 52m
Wed 1/208:00 am -
1 stop23h 32m
Deal found 9/28![United Airlines logo]()
$623
Last-minute flights from San José to IdahoDiscover last-minute flight deals from San José to Idaho. Data last updated October 1, 2026 and is based on user searches.
Discover last-minute flight deals from San José to Idaho. Data last updated October 1, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/28. 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 10/283:01 pm -
2 stops20h 23m
Mon 11/162:41 pm -
2 stops21h 20m
Deal found 9/28![American Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 9/28. 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 10/281:00 pm -
1 stop9h 29m
Sun 11/156:14 pm -
2 stops17h 53m
Deal found 9/28![American Airlines logo]()
$467
This United Airlines deal was found by Cheapflights users on 9/28. 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 10/288:40 am -
1 stop26h 39m
Mon 11/167:10 pm -
1 stop12h 22m
Deal found 9/28![United Airlines logo]()
$529
This FlightHub deal was found by Cheapflights users on 9/28. 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.
Wed 10/285:10 am -
2 stops16h 10m
Mon 11/165:35 pm -
3 stops17h 10m
Deal found 9/28![Multiple Airlines logo]()
$671
This Expedia deal was found by Cheapflights users on 9/28. 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.
Wed 10/285:10 am -
2 stops16h 10m
Sun 11/1510:13 am -
3 stops24h 32m
Deal found 9/28![Multiple Airlines logo]()
$675
This Expedia deal was found by Cheapflights users on 9/28. 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 11/125:10 am -
2 stops17h 23m
Thu 11/197:30 pm -
2 stops41h 25m
Deal found 9/28![Multiple Airlines logo]()
$785
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:10 am -
2 stops17h 23m
Sat 11/218:17 am -
2 stops23h 33m
Deal found 9/30![Multiple Airlines logo]()
$723
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 11/149:40 am -
1 stop12h 35m
Sat 11/215:44 pm -
2 stops16h 41m
Deal found 9/30![United Airlines logo]()
$809
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 October 1, 2026.
Search for one-way flight options from San José to Idaho. Find affordable one-way fares based on user searches. Data last updated October 1, 2026.
This American Airlines deal was found by Cheapflights users on 9/27. 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 12/23:54 pm -
2 stops23h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![American Airlines logo]()
$257
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.
Wed 1/131:15 am -
2 stops34h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![United Airlines logo]()
$313
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.
Sat 12/261:31 pm -
2 stops24h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![GOL logo]()
$386
This Orbitz deal was found by Cheapflights users on 9/27. 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.
Wed 12/212:40 pm -
3 stops33h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$400
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 1/141:45 pm -
3 stops30h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Multiple Airlines logo]()
$490
This United Airlines deal was found by Cheapflights users on 9/27. 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 12/29:40 am -
1 stop26h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![United Airlines logo]()
$538
This Kiwi.com deal was found by Cheapflights users on 9/27. 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.
Mon 3/221:45 pm -
3 stops34h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$557
This United Airlines deal was found by Cheapflights users on 9/27. 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 3/228:40 am -
1 stop15h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![United Airlines logo]()
$664
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.
Fri 12/2512:43 am -
1 stop13h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![American Airlines logo]()
$688
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2612:40 pm -
3 stops48h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Multiple Airlines logo]()
$1,290
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 October 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $449 (American Airlines) |
One-way from | $257 (American Airlines) |
Popular in | March |
Cheapest in | November |
Average price | $473 |
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 7,457,451 searches. Data last updated October 1, 2026.
Use the filters below to find and compare flights from San José to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JoséBoise
SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld
SJOBOI
San José Juan Santamaria Intl
Wed 12/2
3:54 pm-1:55 pm
2 stops23h 01m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$257
San JoséBoise
SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld
SJOBOI
San José Juan Santamaria Intl
Wed 1/13
1:15 am-11:07 am
2 stops34h 52m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$313
San JoséBoise
SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld
SJOBOI
San José Juan Santamaria Intl
Sat 12/26
1:31 pm-1:00 pm
2 stops24h 29m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$386
San JoséBoise
SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld
SJOBOI
San José Juan Santamaria Intl
Wed 12/2
12:40 pm-8:52 pm
3 stops33h 12m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$400
San JoséBoise
SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld
SJOBOI
San José Juan Santamaria Intl
Wed 10/28
8:40 am-11:19 am
1 stop26h 39m
Boise Air Term. Gowen Fld
Mon 11/16
7:10 pm-8:32 am
1 stop12h 22m
$529
San JoséBoise
SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld
SJOBOI
San José Juan Santamaria Intl
Wed 10/28
8:40 am-11:19 am
1 stop26h 39m
Boise Air Term. Gowen Fld
Sun 11/15
8:15 am-8:32 am
1 stop23h 17m
$529
San JoséBoise
SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld
SJOBOI
San José Juan Santamaria Intl
Wed 12/2
9:40 am-11:08 am
1 stop26h 28m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$538
San JoséBoise
SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld
SJOBOI
San José Juan Santamaria Intl
Wed 1/20
1:20 pm-12:44 pm
2 stops24h 24m
Boise Air Term. Gowen Fld
Sat 1/30
4:35 pm-12:30 pm
2 stops18h 55m
$562
San JoséBoise
SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld
SJOBOI
San José Juan Santamaria Intl
Wed 12/16
3:54 pm-11:17 pm
2 stops32h 23m
Boise Air Term. Gowen Fld
Wed 1/20
7:00 am-12:20 pm
2 stops28h 20m
$591
San JoséBoise
SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld
SJOBOI
San José Juan Santamaria Intl
Wed 12/16
8:45 am-1:37 pm
2 stops29h 52m
Boise Air Term. Gowen Fld
Wed 1/20
8:00 am-8:32 am
1 stop23h 32m
$623
Showing 1-10 of 14 resultsSorted by cheapest first
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-BOI
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-BOI
No data available for this route at this time. Please check back soon.
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 October 1, 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.
Overall
7.4
Boarding
7.7
Entertainment
7.1
Crew
8.1
Comfort
7.3
Food
6.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Overall
7.4
Boarding
7.7
Entertainment
7.1
Crew
8.1
Comfort
7.3
Food
6.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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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San José and Idaho flights
Browse other San José and Idaho flight options. Last updated on October 1, 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 7,457,451 searches. Data last updated October 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$282 | Average$485 | FlexibilityNo cancel fee | On-time69% |