$735+ Cheap flights from Sydney (SYD) 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BOI
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from Sydney 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 Sydney to Boise
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Best
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Cheapest flights from Sydney to BoiseExplore the most affordable flight options available from Sydney 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 Sydney to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/611:10 am -
2 stops44h 13m
Tue 11/102:41 pm -
1 stop22h 14m
Deal found 9/6![American Airlines logo]()
$1,166
This Aunt Betty 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:45 pm -
2 stops19h 10m
Fri 10/166:04 pm -
2 stops31h 46m
Deal found 9/5![Multiple Airlines logo]()
$1,381
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/611:20 am -
2 stops29h 39m
Tue 11/105:00 am -
2 stops34h 35m
Deal found 9/3![Air Canada logo]()
$1,385
This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/39:20 am -
2 stops23h 47m
Fri 10/164:18 pm -
2 stops23h 02m
Deal found 9/5![Multiple Airlines logo]()
$1,403
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/39:20 am -
2 stops28h 15m
Fri 10/166:25 am -
2 stops32h 55m
Deal found 9/5![Air Canada logo]()
$1,515
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:15 am -
1 stop29h 44m
Fri 10/166:45 am -
2 stops32h 05m
Deal found 9/5![Delta logo]()
$1,541
Best flights from Sydney to BoiseDiscover carefully curated flight deals from Sydney 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 Sydney 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 9/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/611:10 am -
2 stops44h 13m
Tue 11/102:41 pm -
1 stop22h 14m
Deal found 9/6![American Airlines logo]()
$1,166
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:15 am -
1 stop29h 44m
Fri 10/166:45 am -
2 stops32h 05m
Deal found 9/5![Delta logo]()
$1,541
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.
Fri 11/611:50 am -
1 stop17h 29m
Tue 11/107:10 pm -
1 stop20h 10m
Deal found 9/2![United Airlines logo]()
$2,052
This Qantas Airways 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:50 pm -
1 stop21h 07m
Fri 10/166:50 pm -
1 stop18h 35m
Deal found 9/5![Multiple Airlines logo]()
$2,189
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/39:15 am -
1 stop21h 29m
Fri 10/167:03 am -
1 stop31h 47m
Deal found 9/5![Delta logo]()
$1,816
Last-minute flights from Sydney to BoiseDiscover last-minute flight deals from Sydney to Boise. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Sydney to Boise. Data last updated September 7, 2026 and is based on user searches.
This Aunt Betty 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:45 pm -
2 stops19h 10m
Fri 10/166:04 pm -
2 stops31h 46m
Deal found 9/5![Multiple Airlines logo]()
$1,381
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:15 am -
1 stop29h 44m
Fri 10/166:45 am -
2 stops32h 05m
Deal found 9/5![Delta logo]()
$1,541
This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/39:20 am -
2 stops23h 47m
Fri 10/164:18 pm -
2 stops23h 02m
Deal found 9/5![Multiple Airlines logo]()
$1,403
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/39:20 am -
2 stops28h 15m
Fri 10/166:25 am -
2 stops32h 55m
Deal found 9/5![Air Canada logo]()
$1,515
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/39:15 am -
1 stop21h 29m
Fri 10/166:45 am -
2 stops32h 05m
Deal found 9/5![Delta logo]()
$1,591
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:50 pm -
2 stops20h 13m
Fri 10/166:50 pm -
1 stop18h 35m
Deal found 9/5![Qantas Airways logo]()
$1,896
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:50 pm -
3 stops45h 07m
Fri 10/166:57 pm -
3 stops32h 08m
Deal found 9/5![Air Tahiti Nui logo]()
$1,933
One-way flights from Sydney to BoiseSearch for one-way flight options from Sydney to Boise. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from Sydney to Boise. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/610:10 am -
2 stops23h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![American Airlines logo]()
$735
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/610:15 am -
1 stop29h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Delta logo]()
$737
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/62:15 pm -
3 stops39h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$850
Find flight deals from Sydney to Boise
Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) 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 | $1,166 (American Airlines) |
One-way from | $735 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Sydney 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 Sydney to Boise that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
SydneyBoise
SYD Sydney Kingsford Smith - BOI Boise Air Term. Gowen Fld
SYDBOI
Sydney Kingsford Smith
Tue 10/6
10:15 am-11:04 pm
1 stop29h 49m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$737
SydneyBoise
SYD Sydney Kingsford Smith - BOI Boise Air Term. Gowen Fld
SYDBOI
Sydney Kingsford Smith
Tue 10/6
2:15 pm-12:35 pm
3 stops39h 20m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$850
SydneyBoise
SYD Sydney Kingsford Smith - BOI Boise Air Term. Gowen Fld
SYDBOI
Sydney Kingsford Smith
Fri 11/6
11:10 am-1:23 pm
2 stops44h 13m
Boise Air Term. Gowen Fld
Tue 11/10
2:41 pm-6:55 am
1 stop22h 14m
$1,166
SydneyBoise
SYD Sydney Kingsford Smith - BOI Boise Air Term. Gowen Fld
SYDBOI
Sydney Kingsford Smith
Thu 10/1
9:15 am-10:59 pm
1 stop29h 44m
Boise Air Term. Gowen Fld
Fri 10/16
6:45 am-7:50 am
2 stops32h 05m
$1,541
SydneyBoise
SYD Sydney Kingsford Smith - BOI Boise Air Term. Gowen Fld
SYDBOI
Sydney Kingsford Smith
Sat 10/3
9:15 am-2:44 pm
1 stop21h 29m
Boise Air Term. Gowen Fld
Fri 10/16
7:03 am-7:50 am
1 stop31h 47m
$1,816
SydneyBoise
SYD Sydney Kingsford Smith - BOI Boise Air Term. Gowen Fld
SYDBOI
Sydney Kingsford Smith
Fri 11/6
11:50 am-11:19 am
1 stop17h 29m
Boise Air Term. Gowen Fld
Tue 11/10
7:10 pm-9:20 am
1 stop20h 10m
$2,052
SydneyBoise
SYD Sydney Kingsford Smith - BOI Boise Air Term. Gowen Fld
SYDBOI
Sydney Kingsford Smith
Sat 10/3
5:50 pm-10:57 pm
1 stop21h 07m
Boise Air Term. Gowen Fld
Fri 10/16
6:50 pm-6:25 am
1 stop18h 35m
$2,189
Sorted by cheapest first
Compare providers for flights from Sydney 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 Sydney to Boise in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Sydney-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sydney-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sydney-Boise flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Sydney-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 Sydney-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 Sydney to Boise
Have a flexible travel schedule? Discover the best time to fly to Boise from Sydney with our price prediction graph.
SYD-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.
Related info for your journey
Find useful and relevant information for your journey from Sydney 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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