$895+ Cheap flights from Boise (BOI) to Australia
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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SYD
Dec 3 — Dec 101
Round-trip
1 adult, Economy
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Find cheap flights from Boise to Australia 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
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Cheapest flights from Boise to AustraliaExplore the most affordable flight options available from Boise to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2026.
Explore the most affordable flight options available from Boise to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2026.
This Expedia deal was found by Cheapflights users on 10/29. 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.
Sun 11/810:13 am -
1 stop26h 12m
Wed 11/119:25 pm -
1 stop18h 08m
Deal found 10/29![Alaska Airlines logo]()
$1,203
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Sun 11/810:13 am -
1 stop26h 12m
Thu 11/122:00 pm -
2 stops22h 30m
Deal found 10/29![Multiple Airlines logo]()
$1,338
This Expedia deal was found by Cheapflights users on 10/29. 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.
Sun 11/86:20 am -
2 stops45h 30m
Wed 11/112:05 pm -
2 stops22h 25m
Deal found 10/29![Multiple Airlines logo]()
$1,349
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Sat 11/145:44 pm -
2 stops46h 46m
Thu 12/1012:45 pm -
1 stop20h 05m
Deal found 11/2![United Airlines logo]()
$1,417
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/137:01 pm -
1 stop20h 29m
Sat 12/2610:45 pm -
2 stops28h 59m
Deal found 10/30![Alaska Airlines logo]()
$1,437
This Delta deal was found by Cheapflights users on 10/29. 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 11/74:00 pm -
1 stop22h 30m
Tue 11/1010:40 am -
1 stop22h 18m
Deal found 10/29![Delta logo]()
$1,524
This FlightHub deal was found by Cheapflights users on 10/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:44 pm -
2 stops45h 51m
Wed 11/1111:20 am -
2 stops23h 22m
Deal found 10/29![Air Canada logo]()
$1,533
This Qantas Airways deal was found by Cheapflights users on 10/29. 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 11/75:35 pm -
1 stop21h 25m
Wed 11/1111:05 am -
2 stops25h 25m
Deal found 10/29![Qantas Airways logo]()
$1,566
This KAYAK deal was found by Cheapflights users on 10/29. 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 11/75:30 pm -
2 stops22h 05m
Thu 11/1211:20 am -
2 stops23h 22m
Deal found 10/29![Multiple Airlines logo]()
$1,572
This Justfly.com deal was found by Cheapflights users on 10/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:30 pm -
1 stop19h 30m
Wed 11/1111:10 am -
1 stop25h 20m
Deal found 10/29![Multiple Airlines logo]()
$1,585
This Qantas Airways deal was found by Cheapflights users on 10/29. 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.
Mon 11/95:35 pm -
1 stop21h 25m
Wed 11/1111:05 am -
2 stops25h 25m
Deal found 10/29![Qantas Airways logo]()
$1,606
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/144:10 pm -
1 stop22h 20m
Thu 12/1010:40 am -
1 stop22h 24m
Deal found 11/2![Delta logo]()
$1,617
Best flights from Boise to AustraliaDiscover carefully curated flight deals from Boise to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 3, 2026.
Discover carefully curated flight deals from Boise to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 3, 2026.
This Orbitz deal was found by Cheapflights users on 11/2. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/248:23 pm -
2 stops64h 02m
Sun 1/3111:15 am -
1 stop29h 39m
Deal found 11/2![Alaska Airlines logo]()
$1,131
This oojo deal was found by Cheapflights users on 11/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/14:10 pm -
2 stops22h 25m
Mon 2/157:25 pm -
2 stops43h 29m
Deal found 11/1![Air New Zealand logo]()
$1,304
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Sat 11/1412:00 pm -
1 stop28h 30m
Thu 12/1012:45 pm -
1 stop20h 05m
Deal found 11/2![United Airlines logo]()
$1,448
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/276:29 pm -
1 stop21h 01m
Thu 2/111:35 pm -
2 stops22h 44m
Deal found 11/3![Multiple Airlines logo]()
$1,451
This oojo deal was found by Cheapflights users on 10/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/147:00 pm -
2 stops53h 30m
Fri 2/53:10 pm -
2 stops47h 32m
Deal found 10/30![Qatar Airways logo]()
$1,761
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/137:01 pm -
1 stop20h 29m
Sat 12/2610:45 pm -
2 stops28h 59m
Deal found 10/30![Alaska Airlines logo]()
$1,437
This Trip.com deal was found by Cheapflights users on 10/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/146:31 pm -
1 stop18h 19m
Fri 2/51:10 pm -
1 stop18h 21m
Deal found 10/30![Multiple Airlines logo]()
$1,460
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Thu 2/47:04 am -
1 stop29h 16m
Mon 2/811:50 am -
1 stop17h 26m
Deal found 11/2![United Airlines logo]()
$1,538
This Gurufare deal was found by Cheapflights users on 11/2. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/188:50 am -
2 stops28h 00m
Fri 12/259:40 am -
1 stop20h 20m
Deal found 11/2![Qantas Airways logo]()
$3,106
This Expedia deal was found by Cheapflights users on 11/1. 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.
Mon 2/16:29 pm -
1 stop20h 31m
Mon 2/1511:15 am -
1 stop25h 04m
Deal found 11/1![Multiple Airlines logo]()
$1,470
This Expedia deal was found by Cheapflights users on 10/29. 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.
Sun 12/1312:56 pm -
2 stops23h 29m
Sun 12/207:30 am -
3 stops33h 32m
Deal found 10/29![Multiple Airlines logo]()
$1,850
This United Airlines deal was found by Cheapflights users on 10/31. 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 12/1510:40 am -
2 stops28h 50m
Tue 12/2212:45 pm -
1 stop21h 56m
Deal found 10/31![United Airlines logo]()
$2,125
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/1312:48 pm -
1 stop27h 42m
Sat 12/2612:45 pm -
1 stop21h 56m
Deal found 11/1![United Airlines logo]()
$2,146
This United Airlines deal was found by Cheapflights users on 11/2. 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 12/186:55 pm -
1 stop19h 35m
Fri 12/2511:20 am -
1 stop22h 21m
Deal found 11/2![United Airlines logo]()
$3,178
This Expedia deal was found by Cheapflights users on 11/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/187:20 pm -
2 stops53h 10m
Fri 12/252:15 pm -
3 stops49h 47m
Deal found 11/2![Multiple Airlines logo]()
$3,635
Last-minute flights from Boise to AustraliaDiscover last-minute flight deals from Boise to Australia. Data last updated November 3, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Australia. Data last updated November 3, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/29. 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 11/74:00 pm -
1 stop22h 30m
Tue 11/1010:40 am -
1 stop22h 18m
Deal found 10/29![Delta logo]()
$1,524
This FlightHub deal was found by Cheapflights users on 10/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:44 pm -
2 stops45h 51m
Wed 11/1111:20 am -
2 stops23h 22m
Deal found 10/29![Air Canada logo]()
$1,533
This Qantas Airways deal was found by Cheapflights users on 10/29. 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 11/75:35 pm -
1 stop21h 25m
Wed 11/1111:05 am -
2 stops25h 25m
Deal found 10/29![Qantas Airways logo]()
$1,566
This KAYAK deal was found by Cheapflights users on 10/29. 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 11/75:30 pm -
2 stops22h 05m
Thu 11/1211:20 am -
2 stops23h 22m
Deal found 10/29![Multiple Airlines logo]()
$1,572
This Justfly.com deal was found by Cheapflights users on 10/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:30 pm -
1 stop19h 30m
Wed 11/1111:10 am -
1 stop25h 20m
Deal found 10/29![Multiple Airlines logo]()
$1,585
This Expedia deal was found by Cheapflights users on 10/29. 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.
Sun 11/810:13 am -
1 stop26h 12m
Wed 11/119:25 pm -
1 stop18h 08m
Deal found 10/29![Alaska Airlines logo]()
$1,203
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Sun 11/810:13 am -
1 stop26h 12m
Thu 11/122:00 pm -
2 stops22h 30m
Deal found 10/29![Multiple Airlines logo]()
$1,338
This Expedia deal was found by Cheapflights users on 10/29. 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.
Sun 11/86:20 am -
2 stops45h 30m
Wed 11/112:05 pm -
2 stops22h 25m
Deal found 10/29![Multiple Airlines logo]()
$1,349
This Qantas Airways deal was found by Cheapflights users on 10/29. 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.
Mon 11/95:35 pm -
1 stop21h 25m
Wed 11/1111:05 am -
2 stops25h 25m
Deal found 10/29![Qantas Airways logo]()
$1,606
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Sat 11/145:44 pm -
2 stops46h 46m
Thu 12/1012:45 pm -
2 stops23h 14m
Deal found 11/2![United Airlines logo]()
$1,417
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/144:10 pm -
1 stop22h 20m
Thu 12/1010:40 am -
1 stop22h 24m
Deal found 11/2![Delta logo]()
$1,617
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/137:01 pm -
1 stop20h 29m
Sat 12/2610:45 pm -
2 stops28h 59m
Deal found 10/30![Alaska Airlines logo]()
$1,437
One-way flights from Boise to AustraliaSearch for one-way flight options from Boise to Australia. Find affordable one-way fares based on user searches. Data last updated November 3, 2026.
Search for one-way flight options from Boise to Australia. Find affordable one-way fares based on user searches. Data last updated November 3, 2026.
This Delta deal was found by Cheapflights users on 11/1. 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.
Sun 1/38:51 am -
2 stops54h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Delta logo]()
$895
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 12/156:00 pm -
3 stops48h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Multiple Airlines logo]()
$995
This Delta deal was found by Cheapflights users on 10/31. 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 12/157:32 am -
1 stop30h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Delta logo]()
$1,276
This Cathay Pacific deal was found by Cheapflights users on 11/1. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/39:46 pm -
3 stops46h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Multiple Airlines logo]()
$1,323
This United Airlines deal was found by Cheapflights users on 11/1. 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 1/38:08 am -
1 stop30h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![United Airlines logo]()
$1,787
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
Thu 4/16:51 pm -
3 stops54h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Multiple Airlines logo]()
$3,413
Find flight deals from Boise to Australia
Keep the following information in mind while searching for Boise to Australia flight deals. Data was last updated November 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,123 (Orbitz) |
One-way from | $895 (Delta) |
Popular in | November |
Cheapest in | March |
Average price | $1,616 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise to Australia 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 November 3, 2026.
Use the filters below to find and compare flights from Boise to Australia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseBrisbane
BOI Boise Air Term. Gowen Fld - BNE Brisbane
BOIBNE
Boise Air Term. Gowen Fld
Sun 1/3
8:51 am-8:30 am
2 stops54h 39m
Brisbane
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$895
BoiseMelbourne
BOI Boise Air Term. Gowen Fld - MEL Melbourne
BOIMEL
Boise Air Term. Gowen Fld
Tue 12/15
6:00 pm-12:25 pm
3 stops48h 25m
Melbourne
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$995
BoiseSydney
BOI Boise Air Term. Gowen Fld - SYD Sydney Kingsford Smith
BOISYD
Boise Air Term. Gowen Fld
Sun 1/24
8:23 pm-6:25 am
2 stops64h 02m
Sydney Kingsford Smith
Sun 1/31
11:15 am-10:54 pm
1 stop29h 39m
$1,131
BoiseMelbourne
BOI Boise Air Term. Gowen Fld - MEL Melbourne
BOIMEL
Boise Air Term. Gowen Fld
Tue 12/15
7:32 am-8:00 am
1 stop30h 28m
Melbourne
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$1,276
BoiseSydney
BOI Boise Air Term. Gowen Fld - SYD Sydney Kingsford Smith
BOISYD
Boise Air Term. Gowen Fld
Mon 2/1
4:10 pm-8:35 am
2 stops22h 25m
Sydney Kingsford Smith
Mon 2/15
7:25 pm-8:54 pm
2 stops43h 29m
$1,304
BoiseBrisbane
BOI Boise Air Term. Gowen Fld - BNE Brisbane
BOIBNE
Boise Air Term. Gowen Fld
Sun 1/3
9:46 pm-1:35 pm
3 stops46h 49m
Brisbane
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$1,323
BoiseMelbourne
BOI Boise Air Term. Gowen Fld - MEL Melbourne
BOIMEL
Boise Air Term. Gowen Fld
Sun 12/13
7:01 pm-9:30 am
1 stop20h 29m
Melbourne
Sat 12/26
10:45 pm-9:44 am
2 stops28h 59m
$1,437
BoiseMelbourne
BOI Boise Air Term. Gowen Fld - MEL Melbourne
BOIMEL
Boise Air Term. Gowen Fld
Sat 11/14
12:00 pm-10:30 am
1 stop28h 30m
Melbourne
Thu 12/10
12:45 pm-2:50 pm
1 stop20h 05m
$1,448
BoiseMelbourne
BOI Boise Air Term. Gowen Fld - MEL Melbourne
BOIMEL
Boise Air Term. Gowen Fld
Wed 1/27
6:29 pm-9:30 am
1 stop21h 01m
Melbourne
Thu 2/11
1:35 pm-6:19 pm
2 stops22h 44m
$1,451
BoiseBrisbane
BOI Boise Air Term. Gowen Fld - BNE Brisbane
BOIBNE
Boise Air Term. Gowen Fld
Thu 1/14
6:31 pm-5:50 am
1 stop18h 19m
Brisbane
Fri 2/5
1:10 pm-2:31 pm
1 stop18h 21m
$1,460
Showing 1-10 of 21 resultsSorted by cheapest first
Best time to book a flight from Boise to Australia
Have a flexible travel schedule? Discover the best time to fly to Australia from Boise with our price prediction graph.
BOI-SYD
BOI-MEL
BOI-BNE
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 Australia
BOI-AU0
BOI-SYD
BOI-MEL
BOI-BNE
What is the cheapest month to book a flight from Boise to Australia?
Currently, March is the cheapest month in which you can book a flight from Boise to Australia (average of $1,076). Flying from Boise to Australia in November is currently the most expensive (average of $1,616). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Australia
Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated November 3, 2026.
Peruse reviews from past customers who have flown with United Airlines from Boise to Australia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Crew
8.1
Comfort
7.3
Entertainment
7.1
Food
6.7
Overall
7.3
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Boarding
7.7
Crew
8.1
Comfort
7.3
Entertainment
7.1
Food
6.7
Overall
7.3
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Related info for your journey
Find useful and relevant information for your journey from Boise to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Boise to Australia
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Australia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boise to Australia by cabin class
Find flights from Boise to Australia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boise and Australia flights
Browse other Boise and Australia flight options. Last updated on November 3, 2026.
Popular flight searches
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Fly to Australia regions
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Top airline flying from Boise to Australia
Discover the top airline that operate flights from Boise to Australia. 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 November 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$966 | Average$1,335 | FlexibilityNo cancel fee | On-time69% |