$288+ Cheap flights from San José (SJO) to Boise (BOI)
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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — BOI
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from San José to Boise 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 San José to Boise
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Best
Last-minute
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Cheapest flights from San José to BoiseExplore the most affordable flight options available from San José to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
Explore the most affordable flight options available from San José to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/228:45 am -
1 stop15h 14m
Fri 10/302:51 pm -
2 stops14h 34m
Deal found 9/6![United Airlines logo]()
$516
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/133:01 pm -
2 stops22h 50m
Fri 10/165:29 pm -
2 stops20h 31m
Deal found 9/5![American Airlines logo]()
$530
This BusinessClass deal was found by Cheapflights users on 9/3. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/102:07 pm -
2 stops22h 22m
Wed 3/313:24 pm -
2 stops21h 50m
Deal found 9/3![GOL logo]()
$575
This BusinessClass deal was found by Cheapflights users on 9/2. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/143:54 pm -
2 stops21h 48m
Wed 3/313:24 pm -
2 stops21h 50m
Deal found 9/2![GOL logo]()
$625
This Justfly.com deal was found by Cheapflights users on 9/3. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/205:05 am -
2 stops17h 22m
Tue 10/67:20 am -
2 stops15h 55m
Deal found 9/3![Multiple Airlines logo]()
$636
This United Airlines deal was found by Cheapflights users on 9/3. 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 12/108:45 am -
2 stops37h 58m
Wed 3/3111:45 am -
1 stop19h 30m
Deal found 9/3![United Airlines logo]()
$639
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Mon 12/148:45 am -
2 stops31h 21m
Wed 3/3111:45 am -
1 stop19h 30m
Deal found 9/2![United Airlines logo]()
$649
This Travelocity deal was found by Cheapflights users on 9/6. 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 10/2212:40 pm -
3 stops23h 48m
Fri 10/308:57 am -
2 stops14h 43m
Deal found 9/6![Multiple Airlines logo]()
$674
This FlightHub deal was found by Cheapflights users on 9/5. 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.
Tue 10/1312:40 pm -
3 stops23h 48m
Fri 10/167:20 am -
2 stops16h 20m
Deal found 9/5![Multiple Airlines logo]()
$681
This KAYAK deal was found by Cheapflights users on 9/3. 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.
Thu 12/108:45 am -
2 stops26h 01m
Wed 3/3111:45 am -
1 stop19h 30m
Deal found 9/3![Multiple Airlines logo]()
$702
Best flights from San José to BoiseDiscover carefully curated flight deals from San José to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from San José to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/133:01 pm -
2 stops22h 50m
Fri 10/165:29 pm -
2 stops20h 31m
Deal found 9/5![American Airlines logo]()
$530
This Delta deal was found by Cheapflights users on 9/7. 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.
Wed 1/202:10 pm -
2 stops21h 51m
Sat 1/306:00 am -
2 stops15h 05m
Deal found 9/7![Delta logo]()
$556
This FlightHub deal was found by Cheapflights users on 9/7. 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 9/205:05 am -
2 stops17h 22m
Tue 10/67:20 am -
2 stops15h 55m
Deal found 9/7![Multiple Airlines logo]()
$636
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/233:55 pm -
2 stops23h 27m
Sat 1/305:40 am -
2 stops15h 25m
Deal found 9/2![Delta logo]()
$556
This American Airlines deal was found by Cheapflights users on 9/5. 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 1/202:57 pm -
1 stop22h 48m
Sat 1/301:35 pm -
1 stop23h 22m
Deal found 9/5![American Airlines logo]()
$595
Last-minute flights from San José to BoiseDiscover last-minute flight deals from San José to Boise. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from San José to Boise. Data last updated September 7, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 9/3. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/205:05 am -
2 stops17h 22m
Tue 10/67:20 am -
2 stops15h 55m
Deal found 9/3![Multiple Airlines logo]()
$636
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/202:57 pm -
2 stops23h 34m
Tue 10/62:41 pm -
1 stop23h 19m
Deal found 9/5![American Airlines logo]()
$746
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/133:01 pm -
2 stops22h 50m
Fri 10/165:29 pm -
2 stops20h 31m
Deal found 9/5![American Airlines logo]()
$530
This FlightHub deal was found by Cheapflights users on 9/5. 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.
Tue 10/1312:40 pm -
3 stops23h 48m
Fri 10/167:20 am -
2 stops16h 20m
Deal found 9/5![Multiple Airlines logo]()
$681
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/228:45 am -
1 stop15h 14m
Fri 10/302:51 pm -
2 stops14h 34m
Deal found 9/6![United Airlines logo]()
$516
This Travelocity deal was found by Cheapflights users on 9/6. 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 10/2212:40 pm -
3 stops23h 48m
Fri 10/308:57 am -
2 stops14h 43m
Deal found 9/6![Multiple Airlines logo]()
$674
One-way flights from San José to BoiseSearch for one-way flight options from San José to Boise. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from San José to Boise. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This United Airlines deal was found by Cheapflights users on 9/7. 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 2/66:40 am -
2 stops15h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$288
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 9/242:57 pm -
2 stops23h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![American Airlines logo]()
$308
This American Airlines deal was found by Cheapflights users on 9/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:57 pm -
2 stops23h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![American Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 9/7. 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 2/61:15 am -
2 stops14h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$321
This eDestinos deal was found by Cheapflights users on 9/5. 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 9/239:40 am -
2 stops37h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$333
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/258:45 am -
1 stop28h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$351
This American Airlines deal was found by Cheapflights users on 9/7. 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 2/76:30 am -
1 stop14h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![American Airlines logo]()
$388
This Priceline deal was found by Cheapflights users on 9/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/612:40 pm -
3 stops26h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/248:45 am -
1 stop15h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$465
Find flight deals from San José to Boise
Discover tips and strategies to find the most affordable flight options for your journey from San José (SJO) to Boise (BOI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $516 (United Airlines) |
One-way from | $268 (American Airlines) |
Popular in | March |
Cheapest in | November |
Average price | $543 |
Cheapflights Fare Finder
Customize your flight search to find flights from San José to Boise 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 September 7, 2026.
Use the filters below to find and compare flights from San José to Boise 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
Sat 2/6
6:40 am-9:35 pm
2 stops15h 55m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$288
San JoséBoise
SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld
SJOBOI
San José Juan Santamaria Intl
Thu 9/24
2:57 pm-2:31 pm
2 stops23h 34m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$308
Quickest round-trip
San JoséBoise
SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld
SJOBOI
San José Juan Santamaria Intl
Sat 2/6
1:15 am-3:03 pm
2 stops14h 48m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$321
San JoséBoise
SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld
SJOBOI
San José Juan Santamaria Intl
Wed 9/23
9:40 am-11:00 pm
2 stops37h 20m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$333
San JoséBoise
SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld
SJOBOI
San José Juan Santamaria Intl
Thu 9/24
8:45 am-11:59 pm
1 stop15h 14m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$351
San JoséBoise
SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld
SJOBOI
San José Juan Santamaria Intl
Fri 9/25
8:45 am-12:58 pm
1 stop28h 13m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$351
San JoséBoise
SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld
SJOBOI
San José Juan Santamaria Intl
Tue 10/13
3:01 pm-1:51 pm
2 stops22h 50m
Boise Air Term. Gowen Fld
Fri 10/16
5:29 pm-2:00 pm
2 stops20h 31m
$530
San JoséBoise
SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld
SJOBOI
San José Juan Santamaria Intl
Wed 1/20
2:10 pm-11:01 am
2 stops21h 51m
Boise Air Term. Gowen Fld
Sat 1/30
6:00 am-10:05 pm
2 stops15h 05m
$556
San JoséBoise
SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld
SJOBOI
San José Juan Santamaria Intl
Sat 1/23
3:55 pm-2:22 pm
2 stops23h 27m
Boise Air Term. Gowen Fld
Sat 1/30
5:40 am-10:05 pm
2 stops15h 25m
$556
San JoséBoise
SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld
SJOBOI
San José Juan Santamaria Intl
Wed 1/20
2:57 pm-12:45 pm
1 stop22h 48m
Boise Air Term. Gowen Fld
Sat 1/30
1:35 pm-1:57 pm
1 stop23h 22m
$595
Showing 1-10 of 11 resultsSorted by cheapest first
Compare providers for flights from San José to Boise
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San José to Boise in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San José-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San José-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San José-Boise flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San José-Boise flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San José-Boise flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San José to Boise
Have a flexible travel schedule? Discover the best time to fly to Boise 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.
Reviews of airlines servicing Boise
Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated September 7, 2026.
Read reviews from past customers who have flown United Airlines from San José to Boise. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.6
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Overall
7.4
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Food
6.6
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Overall
7.4
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Related info for your journey
Find useful and relevant information for your journey from San José to Boise. 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 Boise?
Book flights to Boise if you plan to visit one of these locationsOntario
Meridian
Nampa
Caldwell
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Explore flights to Boise departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.
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San José and Boise flights
Browse other San José and Boise flight options. Last updated on September 7, 2026.
Other flights from San José
Browse through other flights departing from San José. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from San José to Boise
Discover the top airline that operate flights from San José to Boise. 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 September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$301 | Average$485 | FlexibilityNo cancel fee | On-time69% |