Cheap Flights from Sydney (SYD) to Boise (BOI)

View AU$1,050 flight on Mon, 11 May 2026Opens in a new window

Popular airlines from Sydney Airport (SYD) to Boise Airport (BOI)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Sydney (SYD) to Boise (BOI)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, 11 May - Mon, 18 May
SYD
Sydney
BOI
Boise
AU$1,683 Return, found 12 hours ago
AU$1,683
Return
found 12 hours ago
Select American Airlines flight, departing Mon, 11 May from Sydney to Boise, returning Mon, 18 May, priced at AU$1,683 found 12 hours ago
American Airlines
Mon, 11 May - Mon, 18 May
SYD
Sydney
BOI
Boise
AU$1,693 Return, found 12 hours ago
AU$1,693
Return
found 12 hours ago
Select American Airlines flight, departing Mon, 11 May from Sydney to Boise, returning Mon, 18 May, priced at AU$1,693 found 12 hours ago
American Airlines
Mon, 11 May - Mon, 18 May
SYD
Sydney
BOI
Boise
AU$1,704 Return, found 12 hours ago
AU$1,704
Return
found 12 hours ago
Select American Airlines flight, departing Mon, 11 May from Sydney to Boise, returning Mon, 18 May, priced at AU$1,704 found 12 hours ago
United
Mon, 11 May - Mon, 18 May
SYD
Sydney
BOI
Boise
AU$1,709 Return, found 12 hours ago
AU$1,709
Return
found 12 hours ago
Select United flight, departing Mon, 11 May from Sydney to Boise, returning Mon, 18 May, priced at AU$1,709 found 12 hours ago
Delta
Mon, 11 May - Mon, 18 May
SYD
Sydney
BOI
Boise
AU$1,709 Return, found 12 hours ago
AU$1,709
Return
found 12 hours ago
Select Delta flight, departing Mon, 11 May from Sydney to Boise, returning Mon, 18 May, priced at AU$1,709 found 12 hours ago
Qantas Airways
Wed, 5 Aug - Mon, 24 Aug
SYD
Sydney
BOI
Boise
AU$1,749 Return, found 2 days ago
AU$1,749
Return
found 2 days ago
Select Qantas Airways flight, departing Wed, 5 Aug from Sydney to Boise, returning Mon, 24 Aug, priced at AU$1,749 found 2 days ago
American Airlines
Tue, 4 Aug - Thu, 20 Aug
SYD
Sydney
BOI
Boise
AU$1,753 Return, found 2 days ago
AU$1,753
Return
found 2 days ago
Select American Airlines flight, departing Tue, 4 Aug from Sydney to Boise, returning Thu, 20 Aug, priced at AU$1,753 found 2 days ago
American Airlines
Mon, 3 Aug - Thu, 20 Aug
SYD
Sydney
BOI
Boise
AU$1,763 Return, found 2 days ago
AU$1,763
Return
found 2 days ago
Select American Airlines flight, departing Mon, 3 Aug from Sydney to Boise, returning Thu, 20 Aug, priced at AU$1,763 found 2 days ago
American Airlines
Mon, 3 Aug - Sat, 15 Aug
SYD
Sydney
BOI
Boise
AU$1,774 Return, found 2 days ago
AU$1,774
Return
found 2 days ago
Select American Airlines flight, departing Mon, 3 Aug from Sydney to Boise, returning Sat, 15 Aug, priced at AU$1,774 found 2 days ago
Alaska Airlines
Sat, 11 July - Wed, 29 July
SYD
Sydney
BOI
Boise
AU$2,387 Return, found 2 days ago
AU$2,387
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 11 July from Sydney to Boise, returning Wed, 29 July, priced at AU$2,387 found 2 days ago

Alternative airports near Boise

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Boise Airport BOI. Cheapest and Closest option available. Average driving time to city centre is 8 minutes. Flights from AU$1,683
BOI
Boise Airport
CheapestClosest
Average driving time to city centre8 min
Flights from AU$1,683

Frequently asked questions

How much is a flight from Sydney Airport to BOI?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip flight from Mascot Airport to Boise Airport (BOI) was AU$1,683. Great fares don't stick around for long, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Kingsford Smith Intl. Airport (SYD) to Boise Airport?
Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from Kingsford Smith Intl. Airport (SYD) to BOI that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Kingsford Smith Intl. Airport (SYD) to Boise Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from SYD to BOI?
The distance is around 12 700 kilometres, so pack your carry-on luggage with whatever you need to make your journey comfortable. Wondering what to take on board your Sydney to Boise flight? A sleep mask, earplugs and a travel pillow are among the essentials.
Which airlines fly direct from Sydney Airport to BOI?
Direct flights aren't available, so you'll need to make at least one stop between Kingsford Smith Intl. Airport (SYD) and Boise Airport. Use the layover time to stretch your legs and enjoy some personal space.
Are Sydney Airport to BOI flight tickets cheaper when they're purchased at the last minute?
Tickets from Kingsford Smith Intl. Airport (SYD) to BOI are available up to 12 months prior to departure on Expedia. And although you may occasionally score great last-minute deal, it's not something you should bank on. Also, booking your flights well in advance means you'll have more choices — and you can avoid getting stuck in the dreaded middle seat! We frequently update our fares to make sure you get the biggest bargains, so check back often for all the latest specials.

Travel information

Origin airport
Kingsford Smith Intl.
Destination airport
Boise
Airlines serving
Air Canada, Air New Zealand, American Airlines, Delta, Qantas Airways, United
Return price
AU$1,682
Distance
12639 km

Explore a world of travel with Expedia

*Available to Expedia members.