$1,420+ Cheap flights from Boise (BOI) to Sao Paulo, Brazil (SAO)
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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SAO
Oct 15 — Oct 221
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Boise to Sao Paulo 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 Boise to Sao Paulo
Cheapest
Best
Last-minute
Cheapest flights from Boise to Sao PauloExplore the most affordable flight options available from Boise to Sao Paulo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
Explore the most affordable flight options available from Boise to Sao Paulo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
This KAYAK deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:57 pm -
2 stops26h 33m
Sun 10/182:00 am -
2 stops34h 34m
Deal found 9/12![Multiple Airlines logo]()
$1,420
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/1212:26 pm -
2 stops18h 04m
Mon 10/1910:20 pm -
1 stop16h 08m
Deal found 9/12![United Airlines logo]()
$1,476
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/138:08 am -
1 stop22h 32m
Tue 10/209:50 pm -
2 stops18h 48m
Deal found 9/13![United Airlines logo]()
$1,480
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:31 pm -
2 stops41h 49m
Sat 11/2810:15 pm -
2 stops41h 16m
Deal found 9/14![United Airlines logo]()
$1,765
This KAYAK deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:18 pm -
1 stop16h 17m
Sat 11/2811:00 pm -
2 stops28h 59m
Deal found 9/14![GOL logo]()
$1,799
This LATAM Airlines deal was found by Cheapflights users on 9/13. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/134:00 pm -
3 stops25h 45m
Tue 10/205:45 pm -
2 stops22h 49m
Deal found 9/13![LATAM Airlines logo]()
$2,855
This LATAM Airlines deal was found by Cheapflights users on 9/12. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/124:00 pm -
3 stops26h 25m
Mon 10/192:55 pm -
2 stops25h 39m
Deal found 9/12![LATAM Airlines logo]()
$3,220
Best flights from Boise to Sao PauloDiscover carefully curated flight deals from Boise to Sao Paulo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from Boise to Sao Paulo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This KAYAK deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:57 pm -
2 stops26h 33m
Sun 10/182:00 am -
2 stops34h 34m
Deal found 9/12![Multiple Airlines logo]()
$1,420
This United Airlines deal was found by Cheapflights users on 9/14. 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 2/48:15 am -
1 stop19h 00m
Mon 2/89:30 pm -
2 stops20h 00m
Deal found 9/14![United Airlines logo]()
$1,476
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/1312:26 pm -
1 stop18h 14m
Tue 10/2010:20 pm -
1 stop16h 08m
Deal found 9/13![United Airlines logo]()
$1,476
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/156:25 am -
2 stops24h 15m
Tue 10/209:50 pm -
2 stops22h 53m
Deal found 9/13![United Airlines logo]()
$1,480
Last-minute flights from Boise to Sao PauloDiscover last-minute flight deals from Boise to Sao Paulo. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Sao Paulo. Data last updated September 15, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:57 pm -
2 stops26h 33m
Sun 10/182:00 am -
2 stops34h 34m
Deal found 9/12![Multiple Airlines logo]()
$1,420
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/1212:26 pm -
2 stops18h 04m
Mon 10/1910:20 pm -
1 stop16h 08m
Deal found 9/12![United Airlines logo]()
$1,476
This LATAM Airlines deal was found by Cheapflights users on 9/12. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/124:00 pm -
3 stops26h 25m
Mon 10/192:55 pm -
2 stops25h 39m
Deal found 9/12![LATAM Airlines logo]()
$3,220
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/1310:30 am -
2 stops20h 10m
Tue 10/209:50 pm -
2 stops22h 53m
Deal found 9/13![United Airlines logo]()
$1,480
This LATAM Airlines deal was found by Cheapflights users on 9/13. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/134:00 pm -
3 stops25h 45m
Tue 10/205:45 pm -
2 stops22h 49m
Deal found 9/13![LATAM Airlines logo]()
$2,855
Find flight deals from Boise to Sao Paulo
Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Sao Paulo (SAO). 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 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,420 (KAYAK) |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise to Sao Paulo 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 15, 2026.
Use the filters below to find and compare flights from Boise to Sao Paulo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseSao Paulo
BOI Boise Air Term. Gowen Fld - GRU Sao Paulo Guarulhos Intl
BOIGRU
Boise Air Term. Gowen Fld
Mon 10/12
6:57 pm-12:30 am
2 stops26h 33m
Sao Paulo Guarulhos Intl
Sun 10/18
2:00 am-9:34 am
2 stops34h 34m
$1,420
BoiseSao Paulo
BOI Boise Air Term. Gowen Fld - GRU Sao Paulo Guarulhos Intl
BOIGRU
Boise Air Term. Gowen Fld
Thu 2/4
8:15 am-7:15 am
1 stop19h 00m
Sao Paulo Guarulhos Intl
Mon 2/8
9:30 pm-1:30 pm
2 stops20h 00m
$1,476
Quickest round-trip
BoiseSao Paulo
BOI Boise Air Term. Gowen Fld - GRU Sao Paulo Guarulhos Intl
BOIGRU
Boise Air Term. Gowen Fld
Tue 10/13
12:26 pm-9:40 am
1 stop18h 14m
Sao Paulo Guarulhos Intl
Tue 10/20
10:20 pm-11:28 am
1 stop16h 08m
$1,476
BoiseSao Paulo
BOI Boise Air Term. Gowen Fld - GRU Sao Paulo Guarulhos Intl
BOIGRU
Boise Air Term. Gowen Fld
Thu 10/15
6:25 am-9:40 am
2 stops24h 15m
Sao Paulo Guarulhos Intl
Tue 10/20
9:50 pm-5:43 pm
2 stops22h 53m
$1,480
Sorted by cheapest first
Compare providers for flights from Boise to Sao Paulo
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 Boise to Sao Paulo in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boise-Sao Paulo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Sao Paulo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Sao Paulo flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boise-Sao Paulo 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 Boise-Sao Paulo 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 Boise to Sao Paulo
Have a flexible travel schedule? Discover the best time to fly to Sao Paulo from Boise with our price prediction graph.
BOI-SAO
BOI-GRU
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 Boise to Sao Paulo
BOI-SAO
BOI-GRU
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Boise to Sao Paulo. 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 Sao Paulo?
Book flights to Sao Paulo if you plan to visit one of these locationsSantos
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Complete your trip
Flights by cabin class
Other flight options
Other flights from Boise
Popular flights
Sao Paulo flight routes
Complete your trip
Complete your trip to Sao Paulo by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boise to Sao Paulo by cabin class
Find flights from Boise to Sao Paulo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boise and Sao Paulo flights
Browse other Boise and Sao Paulo flight options. Last updated on September 15, 2026.
Other flights from Boise
Browse through other flights departing from Boise. Flights are based on user searches made on Cheapflights and were last updated on September 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Sao Paulo
Explore flights to Sao Paulo departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 15, 2026.
Top airline flying from Boise to Sao Paulo
Discover the top airline that operate flights from Boise to Sao Paulo. 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 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,274 | Average$1,627 | FlexibilityNo cancel fee | On-time71% |