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SYD - BOI

$600 Find Cheap Flights from Sydney to Boise - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$951
Typical prices: $1,054-$1,487
United Airlines
Fri 11/2Fri 11/9
SYD - BOI • 2 stops
Cheapest one-way
$600
Typical prices: $496-$705
Multiple Airlines
Sun 1/21
SYD - BOI • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Sydney and Boise. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
January
Cheapest • 27% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top layover airports
San Francisco (SFO)
Cheapest • Avg $1,172 (round-trip)
Los Angeles (LAX)
Shortest trip • 20h 33m (one-way)
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Insights
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Flight Deals

Cheap Flights from Sydney to Boise (SYD-BOI)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Sydney to Boise

Mon, Nov 2 - Mon, Nov 9
United Airlines Logo
10:55 am - 6:03 pmSYD  Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld
25h 08m2 stops Los Angeles Denver Intl
United Airlines Logo
7:10 pm - 9:20 amBOI  Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith
20h 10m1 stop San Francisco
$951United Airlines
Fri, Nov 6 - Tue, Nov 10
American Airlines Logo
11:10 am - 1:23 pmSYD  Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld
44h 13m2 stops Los Angeles Phoenix Sky Harbor Intl
American Airlines Logo
2:41 pm - 6:55 amBOI  Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith
22h 14m1 stop Dallas/Fort Worth
$1,161American Airlines
Fri, Nov 6 - Tue, Nov 10
American Airlines Logo
2:05 pm - 1:51 pmSYD  Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld
41h 46m1 stop Dallas/Fort Worth
American Airlines Logo
2:41 pm - 6:25 amBOI  Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith
45h 44m2 stops Dallas/Fort Worth Los Angeles
$1,296American Airlines
Fri, Nov 6 - Tue, Nov 10
American Airlines Logo
2:05 pm - 1:51 pmSYD  Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld
41h 46m1 stop Dallas/Fort Worth
American Airlines Logo
2:41 pm - 6:25 amBOI  Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith
45h 44m2 stops Dallas/Fort Worth Los Angeles
$1,297American Airlines
Fri, Nov 6 - Tue, Nov 10
American Airlines Logo
2:05 pm - 1:51 pmSYD  Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld
41h 46m1 stop Dallas/Fort Worth
American Airlines Logo
2:41 pm - 6:25 amBOI  Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith
45h 44m2 stops Dallas/Fort Worth Los Angeles
$1,300American Airlines
Fri, Nov 6 - Tue, Nov 10
American Airlines Logo
2:05 pm - 1:51 pmSYD  Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld
41h 46m1 stop Dallas/Fort Worth
American Airlines Logo
2:41 pm - 6:25 amBOI  Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith
45h 44m2 stops Dallas/Fort Worth Los Angeles
$1,310American Airlines
Fri, Nov 6 - Tue, Nov 10
Air Canada Logo
11:20 am - 1:45 pmSYD  Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld
44h 25m2 stops Vancouver Intl Denver Intl
Air Canada Logo
5:44 pm - 9:35 amBOI  Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith
45h 51m2 stops Denver Intl Vancouver Intl
$1,340Air Canada
Fri, Nov 6 - Tue, Nov 10
Air Canada Logo
11:20 am - 1:45 pmSYD  Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld
44h 25m2 stops Vancouver Intl Denver Intl
Air Canada Logo
5:44 pm - 9:35 amBOI  Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith
45h 51m2 stops Denver Intl Vancouver Intl
$1,342Air Canada
Fri, Nov 6 - Tue, Nov 10
Air Canada Logo
11:20 am - 1:45 pmSYD  Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld
44h 25m2 stops Vancouver Intl Denver Intl
Air Canada Logo
5:44 pm - 9:35 amBOI  Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith
45h 51m2 stops Denver Intl Vancouver Intl
$1,344Air Canada
Fri, Nov 6 - Tue, Nov 10
Air Canada Logo
11:20 am - 1:45 pmSYD  Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld
44h 25m2 stops Vancouver Intl Denver Intl
Air Canada Logo
5:44 pm - 9:35 amBOI  Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith
45h 51m2 stops Denver Intl Vancouver Intl
$1,350Air Canada
Booking Insights

Price, demand and travel trends for Sydney to Boise flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Sydney to Boise?

Round-trip flights from Sydney to Boise typically range from $1,054 to $1,487. The lowest price found in the past 5 days was $951, on United Airlines.

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Key details for Sydney to Boise flights

Low season

June

Cheapest flight

$600
One-way flight from Sydney to Boise

When to book flights from Sydney to Boise

Are your dates flexible? Find out the best times to travel from Sydney to Boise based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Sydney to Boise flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Sydney to Boise?

    Only Economy Class is available on flights from Sydney to Boise.

  • How long is a flight from Sydney to Boise?

    A nonstop flight from Sydney to Boise takes 00m, covering 7,894 miles.

  • Do I need a passport to fly from Sydney to Boise?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Sydney to Boise flight?

    Round-trip flights from Sydney to Boise range from $1,054 to $1,487, with an average of $1,165 over the past 12 months. Anything below $1,054 counts as a good deal.

  • Have flight prices from Sydney to Boise changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $951 to $2,826. That means the highest observed fare was about 3x higher than the lowest one.

  • How are flight prices from Sydney to Boise looking right now?

    One-way fares from Sydney to Boise are currently higher than usual. Average one-way flight prices are about $718, which is 16% above the typical average for this route.

  • What car rental options are available at Boise Air Term. Gowen Fld Airport (BOI)?

    Boise Air Term. Gowen Fld Airport (BOI) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:

    • Budget
    • Alamo
    • Hertz
    • Enterprise Rent-A-Car
    • Avis

  • Which airports can I use when flying from Sydney to Boise?

    Flights from Sydney to Boise usually depart from Sydney Kingsford Smith (SYD) and arrive at Boise Air Term. Gowen Fld (BOI).

  • Which airports do connecting flights from Sydney to Boise pass through?

    Connecting flights from Sydney to Boise most commonly pass through:

    • San Francisco (SFO) - 83% of one-stop connections
    • Los Angeles (LAX) - 17% of one-stop connections

  • Can I save money by using flexible dates for flights from Sydney to Boise?

    Yes. Flexible dates can save you up to 60% on flights from Sydney to Boise. Wednesday is the cheapest departure day at $851 round-trip on average, while Sunday is the most expensive at $2,076, a difference of $1,225.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Sydney to Boise?

    Flying via San Francisco (SFO) gives the shortest average 1-stop total travel time at 20h 15m, compared with 20h 33m via Los Angeles (LAX).

  • What is the time difference between Sydney and Boise?

    Boise is 17 hours behind Sydney (Mountain Time vs Eastern Australia Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Boise?

    Some of the most popular sights in Boise are Idaho Central Arena, Julia Davis Park and Discovery Center of Idaho. These are among the most viewed places in Boise on KAYAK.

Your guide to booking Sydney to Boise flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Sunday. On this route, Wednesday flights average $851, about $1,225 less than Sunday fares (59% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Sydney to Boise trip for January. Fares historically average $851 round-trip in that month - typically $1,225 less than the most expensive month, which is April (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Boise Air Term. Gowen Fld Airport.

    • Ramada by Wyndham Boise
    • Super 8 by Wyndham Boise
    • Comfort Suites Airport

More options for your flight from Sydney to Boise

Complete your trip to Boise with a hotel stay or car rental

Car rentals in Boise
Hotels in Boise
Vacations in Boise