$260+ 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — BOI
Nov 24 — Dec 11
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
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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 October 25, 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 October 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/20. 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 12/88:45 am -
2 stops26h 14m
Tue 4/64:05 pm -
2 stops20h 16m
Deal found 10/20![United Airlines logo]()
$507
This American Airlines deal was found by Cheapflights users on 10/20. 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 12/82:46 pm -
1 stop24h 06m
Tue 4/66:44 am -
1 stop14h 52m
Deal found 10/20![American Airlines logo]()
$555
This United Airlines deal was found by Cheapflights users on 10/22. 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 12/67:30 am -
1 stop14h 57m
Wed 4/711:45 am -
1 stop19h 30m
Deal found 10/22![United Airlines logo]()
$567
This United Airlines deal was found by Cheapflights users on 10/24. 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 11/219:40 am -
1 stop14h 53m
Sat 11/286:30 am -
1 stop14h 30m
Deal found 10/24![United Airlines logo]()
$658
This Booking.com deal was found by Cheapflights users on 10/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:26 am -
2 stops16h 17m
Sat 11/287:06 pm -
2 stops15h 19m
Deal found 10/24![Multiple Airlines logo]()
$720
This Expedia deal was found by Cheapflights users on 10/24. 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.
Fri 11/201:26 am -
1 stop12h 07m
Sat 11/288:10 am -
1 stop14h 41m
Deal found 10/24![Alaska Airlines logo]()
$752
This Booking.com deal was found by Cheapflights users on 10/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/84:15 pm -
3 stops23h 04m
Tue 4/68:18 am -
2 stops14h 57m
Deal found 10/20![Multiple Airlines logo]()
$882
This deal was found by Cheapflights users on 10/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:40 am -
1 stop12h 35m
Tue 11/37:10 pm -
1 stop12h 22m
Deal found 10/21![United Airlines logo]()
$974
This Orbitz deal was found by Cheapflights users on 10/22. 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.
Sun 12/65:35 am -
3 stops15h 20m
Wed 4/76:51 pm -
2 stops28h 24m
Deal found 10/22![Multiple Airlines logo]()
$1,163
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 October 25, 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 October 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/20. 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 12/88:45 am -
2 stops26h 14m
Tue 4/64:05 pm -
1 stop15h 10m
Deal found 10/20![United Airlines logo]()
$507
This American Airlines deal was found by Cheapflights users on 10/23. 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 2/21:20 pm -
2 stops24h 24m
Tue 2/91:35 pm -
2 stops21h 45m
Deal found 10/23![American Airlines logo]()
$516
This eDestinos deal was found by Cheapflights users on 10/23. 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.
Tue 2/25:35 am -
1 stop18h 15m
Tue 2/97:25 am -
1 stop14h 50m
Deal found 10/23![Multiple Airlines logo]()
$698
This United Airlines deal was found by Cheapflights users on 10/23. 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 2/22:25 pm -
2 stops21h 51m
Tue 2/94:10 pm -
1 stop15h 22m
Deal found 10/23![United Airlines logo]()
$554
This American Airlines deal was found by Cheapflights users on 10/25. 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 1/301:35 pm -
1 stop23h 25m
Deal found 10/25![American Airlines logo]()
$616
This United Airlines deal was found by Cheapflights users on 10/22. 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 12/68:45 am -
2 stops27h 23m
Wed 4/75:22 pm -
2 stops16h 49m
Deal found 10/22![United Airlines logo]()
$567
This Gotogate deal was found by Cheapflights users on 10/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:26 am -
2 stops16h 17m
Sat 11/2811:03 am -
2 stops20h 47m
Deal found 10/24![Multiple Airlines logo]()
$725
This United Airlines deal was found by Cheapflights users on 10/24. 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 11/219:40 am -
1 stop14h 53m
Sat 11/286:30 am -
1 stop14h 30m
Deal found 10/24![United Airlines logo]()
$658
Last-minute flights from San José to BoiseDiscover last-minute flight deals from San José to Boise. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from San José to Boise. Data last updated October 25, 2026 and is based on user searches.
This deal was found by Cheapflights users on 10/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:40 am -
1 stop12h 35m
Tue 11/37:10 pm -
1 stop12h 22m
Deal found 10/21![United Airlines logo]()
$974
This Booking.com deal was found by Cheapflights users on 10/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:26 am -
2 stops16h 17m
Sat 11/287:06 pm -
2 stops15h 19m
Deal found 10/24![Multiple Airlines logo]()
$720
This Expedia deal was found by Cheapflights users on 10/24. 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.
Fri 11/201:26 am -
1 stop12h 07m
Sat 11/288:10 am -
1 stop14h 41m
Deal found 10/24![Alaska Airlines logo]()
$752
This United Airlines deal was found by Cheapflights users on 10/24. 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 11/219:40 am -
1 stop14h 53m
Sat 11/286:30 am -
1 stop14h 30m
Deal found 10/24![United Airlines logo]()
$658
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 October 25, 2026.
Search for one-way flight options from San José to Boise. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/20. 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 12/88:45 am -
2 stops31h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![United Airlines logo]()
$260
This American Airlines deal was found by Cheapflights users on 10/20. 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 12/82:46 pm -
1 stop24h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![American Airlines logo]()
$274
This American Airlines deal was found by Cheapflights users on 10/22. 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 3/33:35 pm -
2 stops20h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![American Airlines logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Tue 12/85:53 pm -
3 stops31h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$298
This Expedia deal was found by Cheapflights users on 10/20. 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 11/251:26 am -
2 stops17h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Alaska Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 10/20. 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 12/79:40 am -
1 stop26h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![United Airlines logo]()
$320
This United Airlines deal was found by Cheapflights users on 10/24. 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 1/71:15 am -
2 stops45h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![United Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 12/76:53 am -
3 stops31h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Wed 3/31:49 pm -
3 stops26h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$467
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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $507 (United Airlines) |
One-way from | $260 (United Airlines) |
Popular in | March |
Cheapest in | May |
Average price | $494 |
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 October 25, 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
Tue 12/8
8:45 am-2:50 pm
2 stops31h 05m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$260
San JoséBoise
SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld
SJOBOI
San José Juan Santamaria Intl
Tue 12/8
2:46 pm-1:52 pm
1 stop24h 06m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$274
San JoséBoise
SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld
SJOBOI
San José Juan Santamaria Intl
Wed 3/3
3:35 pm-11:28 am
2 stops20h 53m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$285
Quickest round-trip
San JoséBoise
SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld
SJOBOI
San José Juan Santamaria Intl
Wed 11/25
1:26 am-6:20 pm
2 stops17h 54m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$317
San JoséBoise
SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld
SJOBOI
San José Juan Santamaria Intl
Mon 12/7
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
$320
San JoséBoise
SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld
SJOBOI
San José Juan Santamaria Intl
Thu 1/7
1:15 am-9:35 pm
2 stops45h 20m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$394
San JoséBoise
SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld
SJOBOI
San José Juan Santamaria Intl
Mon 12/7
6:53 am-1:09 pm
3 stops31h 16m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$401
San JoséBoise
SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld
SJOBOI
San José Juan Santamaria Intl
Wed 3/3
1:49 pm-3:05 pm
3 stops26h 16m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$467
San JoséBoise
SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld
SJOBOI
San José Juan Santamaria Intl
Tue 12/8
8:45 am-9:59 am
2 stops26h 14m
Boise Air Term. Gowen Fld
Tue 4/6
4:05 pm-7:15 am
1 stop15h 10m
$507
San JoséBoise
SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld
SJOBOI
San José Juan Santamaria Intl
Tue 2/2
1:20 pm-12:44 pm
2 stops24h 24m
Boise Air Term. Gowen Fld
Tue 2/9
1:35 pm-12:20 pm
2 stops21h 45m
$516
Showing 1-10 of 17 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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | 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 October 25, 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.
Crew
8.1
Food
6.7
Overall
7.3
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Crew
8.1
Food
6.7
Overall
7.3
Boarding
7.7
Comfort
7.3
Entertainment
7.1
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 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 October 25, 2026.
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San José and Boise flights
Browse other San José and Boise flight options. Last updated on October 25, 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 October 25, 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 October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$301 | Average$526 | FlexibilityNo cancel fee | On-time69% |