$605+ Cheap flights from Boston (BOS) to Australia
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SYD
Aug 23 — Aug 301
Round-trip
1 adult, Economy
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Cheapest flights from Boston to AustraliaExplore the most affordable flight options available from Boston to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.
Explore the most affordable flight options available from Boston to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.
This lol.travel deal was found by Cheapflights users on 7/21. 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.
Sun 9/610:30 am
BOS
- BNE
1 stop28h 30m
Qantas Airways
Mon 9/218:35 pm
BNE
- BOS
1 stop25h 38m
Qantas Airways
Deal found 7/21![Qantas Airways logo]()
$1,116
This Air Canada deal was found by Cheapflights users on 7/22. 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.
Tue 10/2710:35 am
BOS
- BNE
2 stops31h 10m
Air Canada
Mon 11/910:45 am
BNE
- BOS
2 stops25h 43m
Air Canada
Deal found 7/22![Air Canada logo]()
$1,144
This FlightHub deal was found by Cheapflights users on 7/22. 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.
Tue 9/15:45 am
BOS
- BNE
2 stops35h 20m
Air Canada
Tue 9/2210:15 am
BNE
- BOS
2 stops37h 35m
Air Canada
Deal found 7/22![Air Canada logo]()
$1,154
This oojo deal was found by Cheapflights users on 7/22. 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.
Wed 10/2112:56 pm
BOS
- MEL
1 stop25h 04m
Qantas Airways
Wed 11/410:45 pm
MEL
- BOS
1 stop24h 42m
Qantas Airways
Deal found 7/22![Qantas Airways logo]()
$1,166
This oojo deal was found by Cheapflights users on 7/19. 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.
Sat 8/227:00 am
BOS
- MEL
1 stop33h 45m
Qantas Airways
Wed 9/21:35 pm
MEL
- BOS
1 stop22h 31m
Qantas Airways
Deal found 7/19![Qantas Airways logo]()
$1,167
This oojo deal was found by Cheapflights users on 7/20. 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.
Wed 9/98:30 am
BOS
- MEL
1 stop30h 30m
Qantas Airways
Wed 9/231:35 pm
MEL
- BOS
1 stop22h 54m
Qantas Airways
Deal found 7/20![Qantas Airways logo]()
$1,174
This Gotogate deal was found by Cheapflights users on 7/23. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:45 am
BOS
- BNE
2 stops35h 20m
Air Canada
Sun 9/1310:00 am
BNE
- BOS
2 stops42h 41m
Air Canada
Deal found 7/23![Air Canada logo]()
$1,175
This oojo deal was found by Cheapflights users on 7/21. 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.
Wed 9/309:29 am
BOS
- MEL
1 stop29h 31m
Qantas Airways
Wed 10/142:35 pm
MEL
- BOS
1 stop22h 29m
Qantas Airways
Deal found 7/21![Qantas Airways logo]()
$1,177
This Air Canada deal was found by Cheapflights users on 7/21. 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.
Tue 10/273:30 pm
BOS
- BNE
2 stops26h 15m
Multiple Airlines
Mon 11/96:10 am
BNE
- BOS
3 stops31h 27m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$1,179
This American Airlines deal was found by Cheapflights users on 7/19. 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.
Mon 8/172:32 pm
BOS
- MEL
1 stop24h 28m
American Airlines
Mon 8/311:35 pm
MEL
- BOS
1 stop21h 30m
American Airlines
Deal found 7/19![American Airlines logo]()
$1,179
This Air Canada deal was found by Cheapflights users on 7/23. 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.
Sun 8/3010:40 am
BOS
- BNE
2 stops30h 25m
Air Canada
Thu 9/1010:15 am
BNE
- BOS
2 stops37h 35m
Air Canada
Deal found 7/23![Air Canada logo]()
$1,182
This American Airlines deal was found by Cheapflights users on 7/22. 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.
Mon 9/149:29 am
BOS
- MEL
1 stop29h 31m
American Airlines
Tue 9/299:45 am
MEL
- BOS
2 stops25h 15m
American Airlines
Deal found 7/22![American Airlines logo]()
$1,182
Best flights from Boston to AustraliaDiscover carefully curated flight deals from Boston to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 24, 2026.
Discover carefully curated flight deals from Boston to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 24, 2026.
This United Airlines deal was found by Cheapflights users on 7/23. 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 8/26:36 pm
BOS
- SYD
1 stop22h 24m
United Airlines
Sun 9/139:30 am
SYD
- BOS
2 stops34h 32m
United Airlines
Deal found 7/23![United Airlines logo]()
$1,192
This Air Canada deal was found by Cheapflights users on 7/23. 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.
Mon 11/165:30 am
BOS
- SYD
3 stops36h 05m
Air Canada
Sat 12/1211:20 am
SYD
- BOS
2 stops38h 38m
Air Canada
Deal found 7/23![Air Canada logo]()
$1,214
This Delta deal was found by Cheapflights users on 7/23. 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 10/19:20 pm
BOS
- MEL
2 stops44h 30m
Delta
Sun 10/1111:00 am
MEL
- BOS
2 stops28h 58m
Delta
Deal found 7/23![Delta logo]()
$1,312
This oojo deal was found by Cheapflights users on 7/23. 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.
Sun 9/610:30 am
BOS
- LST
2 stops38h 30m
Multiple Airlines
Sun 9/139:45 am
LST
- BOS
2 stops51h 43m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$1,409
This oojo deal was found by Cheapflights users on 7/23. 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 8/174:27 pm
BOS
- PER
2 stops33h 08m
Qantas Airways
Mon 9/2811:30 pm
PER
- BOS
2 stops35h 58m
Qantas Airways
Deal found 7/23![Qantas Airways logo]()
$1,416
This American Airlines deal was found by Cheapflights users on 7/20. 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.
Thu 9/310:30 am
BOS
- CNS
2 stops34h 05m
American Airlines
Thu 9/101:55 pm
CNS
- BOS
2 stops32h 18m
American Airlines
Deal found 7/20![American Airlines logo]()
$1,499
This Qatar Airways deal was found by Cheapflights users on 7/23. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:35 am
BOS
- BNE
2 stops42h 55m
Qatar Airways
Sun 12/205:05 pm
BNE
- BOS
2 stops36h 25m
Qatar Airways
Deal found 7/23![Qatar Airways logo]()
$1,587
This oojo deal was found by Cheapflights users on 7/20. 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 8/1711:05 pm
BOS
- PER
1 stop30h 30m
Emirates
Mon 9/2810:20 pm
PER
- BOS
1 stop27h 50m
Emirates
Deal found 7/20![Emirates logo]()
$1,587
This BYOjet deal was found by Cheapflights users on 7/19. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:05 am
BOS
- HBA
3 stops45h 40m
ANA
Wed 9/99:55 am
HBA
- BOS
3 stops47h 24m
ANA
Deal found 7/19![ANA logo]()
$1,704
This Ovago deal was found by Cheapflights users on 7/23. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/68:15 am
BOS
- LST
3 stops42h 20m
Air New Zealand
Sun 9/135:00 pm
LST
- BOS
3 stops44h 38m
Air New Zealand
Deal found 7/23![Air New Zealand logo]()
$1,986
This United Airlines deal was found by Cheapflights users on 7/23. 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 8/214:15 pm
BOS
- MEL
1 stop26h 00m
United Airlines
Fri 8/289:30 am
MEL
- BOS
1 stop21h 50m
United Airlines
Deal found 7/23![United Airlines logo]()
$1,203
This United Airlines deal was found by Cheapflights users on 7/23. 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 9/18:30 pm
BOS
- BNE
2 stops44h 00m
United Airlines
Tue 9/2210:30 am
BNE
- BOS
1 stop22h 40m
United Airlines
Deal found 7/23![United Airlines logo]()
$1,219
This United deal was found by Cheapflights users on 7/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:34 am
BOS
- LST
2 stops38h 31m
Multiple Airlines
Wed 8/266:10 am
LST
- BOS
3 stops29h 49m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$1,420
This oojo deal was found by Cheapflights users on 7/23. 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.
Sun 9/69:19 am
BOS
- HBA
2 stops35h 26m
Qantas Airways
Sun 9/132:15 pm
HBA
- BOS
2 stops47h 13m
Qantas Airways
Deal found 7/23![Qantas Airways logo]()
$1,426
This United Airlines deal was found by Cheapflights users on 7/21. 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 9/68:15 am
BOS
- BNE
3 stops32h 15m
United Airlines
Mon 9/216:55 am
BNE
- BOS
2 stops30h 04m
United Airlines
Deal found 7/21![United Airlines logo]()
$1,228
This Air Canada deal was found by Cheapflights users on 7/22. 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 9/126:55 pm
BOS
- ADL
3 stops51h 25m
Air Canada
Wed 9/168:00 pm
ADL
- BOS
3 stops40h 10m
Air Canada
Deal found 7/22![Air Canada logo]()
$1,597
This United Airlines deal was found by Cheapflights users on 7/21. 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 8/31:37 pm
BOS
- MEL
2 stops28h 38m
United Airlines
Sat 8/85:10 pm
MEL
- BOS
2 stops37h 54m
United Airlines
Deal found 7/21![United Airlines logo]()
$1,231
This Emirates deal was found by Cheapflights users on 7/19. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:10 pm
BOS
- PER
2 stops36h 45m
Emirates
Thu 11/1210:20 pm
PER
- BOS
1 stop28h 35m
Emirates
Deal found 7/19![Emirates logo]()
$1,646
This Air Canada deal was found by Cheapflights users on 7/23. 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.
Thu 10/110:50 am
BOS
- AVV
3 stops37h 20m
Multiple Airlines
Sun 10/116:00 am
AVV
- BOS
3 stops42h 55m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$1,522
This Ovago deal was found by Cheapflights users on 7/23. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/63:59 pm
BOS
- LST
3 stops34h 36m
Qantas Airways
Sun 9/139:45 am
LST
- BOS
2 stops51h 43m
Qantas Airways
Deal found 7/23![Qantas Airways logo]()
$1,550
This Emirates deal was found by Cheapflights users on 7/18. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1311:05 pm
BOS
- PER
2 stops37h 35m
Emirates
Wed 9/1610:20 pm
PER
- BOS
1 stop27h 50m
Emirates
Deal found 7/18![Emirates logo]()
$1,646
This United Airlines deal was found by Cheapflights users on 7/19. 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 8/61:37 pm
BOS
- SYD
2 stops27h 18m
United Airlines
Sun 8/1610:20 am
SYD
- BOS
1 stop24h 42m
United Airlines
Deal found 7/19![United Airlines logo]()
$1,237
This Qantas Airways deal was found by Cheapflights users on 7/21. 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.
Thu 8/136:13 pm
BOS
- CNS
2 stops28h 42m
Qantas Airways
Mon 8/246:50 am
CNS
- BOS
2 stops28h 15m
Qantas Airways
Deal found 7/21![Qantas Airways logo]()
$1,559
This Qatar Airways deal was found by Cheapflights users on 7/18. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:00 pm
BOS
- CNS
2 stops35h 20m
Qatar Airways
Tue 9/154:55 pm
CNS
- BOS
2 stops36h 20m
Qatar Airways
Deal found 7/18![Qatar Airways logo]()
$1,896
This oojo deal was found by Cheapflights users on 7/22. 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 10/110:30 am
BOS
- AVV
2 stops46h 20m
Multiple Airlines
Thu 10/158:55 pm
AVV
- BOS
2 stops36h 38m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$1,654
This United Airlines deal was found by Cheapflights users on 7/19. 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 12/16:00 pm
BOS
- BNE
1 stop22h 30m
United Airlines
Sun 12/1311:40 am
BNE
- BOS
2 stops27h 14m
United Airlines
Deal found 7/19![United Airlines logo]()
$1,246
This Qantas Airways deal was found by Cheapflights users on 7/21. 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.
Tue 8/112:32 pm
BOS
- CNS
2 stops33h 13m
Qantas Airways
Thu 8/206:50 am
CNS
- BOS
2 stops28h 15m
Qantas Airways
Deal found 7/21![Qantas Airways logo]()
$1,559
This United Airlines deal was found by Cheapflights users on 7/20. 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 10/301:34 pm
BOS
- BNE
2 stops26h 56m
United Airlines
Mon 11/211:40 am
BNE
- BOS
2 stops27h 00m
United Airlines
Deal found 7/20![United Airlines logo]()
$1,246
This Air Canada deal was found by Cheapflights users on 7/21. 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.
Wed 9/3012:30 pm
BOS
- AVV
3 stops37h 35m
Multiple Airlines
Wed 10/146:00 am
AVV
- BOS
3 stops42h 55m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$1,659
This Air New Zealand deal was found by Cheapflights users on 7/20. 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 New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/194:15 pm
BOS
- LST
3 stops34h 20m
Air New Zealand
Wed 8/263:40 pm
LST
- BOS
3 stops45h 58m
Air New Zealand
Deal found 7/20![Air New Zealand logo]()
$2,236
Last-minute flights from Boston to AustraliaDiscover last-minute flight deals from Boston to Australia. Data last updated July 24, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Australia. Data last updated July 24, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/22. 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.
Wed 7/293:28 pm
BOS
- SYD
2 stops25h 37m
American Airlines
Wed 8/512:00 pm
SYD
- BOS
2 stops23h 23m
American Airlines
Deal found 7/22![American Airlines logo]()
$1,188
This American Airlines deal was found by Cheapflights users on 7/22. 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.
Wed 7/292:27 pm
BOS
- MEL
1 stop24h 33m
American Airlines
Wed 8/59:45 am
MEL
- BOS
1 stop27h 59m
American Airlines
Deal found 7/22![American Airlines logo]()
$1,192
This American Airlines deal was found by Cheapflights users on 7/20. 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.
Sun 8/23:19 pm
BOS
- SYD
2 stops25h 36m
American Airlines
Tue 8/189:10 am
SYD
- BOS
2 stops25h 03m
American Airlines
Deal found 7/20![American Airlines logo]()
$1,184
This United Airlines deal was found by Cheapflights users on 7/23. 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 8/26:36 pm
BOS
- SYD
1 stop22h 24m
United Airlines
Sun 9/139:30 am
SYD
- BOS
2 stops34h 32m
United Airlines
Deal found 7/23![United Airlines logo]()
$1,192
This American Airlines deal was found by Cheapflights users on 7/19. 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.
Mon 8/172:32 pm
BOS
- MEL
1 stop24h 28m
American Airlines
Mon 8/311:35 pm
MEL
- BOS
1 stop21h 30m
American Airlines
Deal found 7/19![American Airlines logo]()
$1,179
This Qantas Airways deal was found by Cheapflights users on 7/19. 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 8/172:32 pm
BOS
- MEL
1 stop24h 28m
Qantas Airways
Mon 8/311:35 pm
MEL
- BOS
1 stop22h 31m
Qantas Airways
Deal found 7/19![Qantas Airways logo]()
$1,188
This Air Canada deal was found by Cheapflights users on 7/21. 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.
Tue 8/1810:40 am
BOS
- BNE
2 stops30h 25m
Air Canada
Sun 8/3010:00 am
BNE
- BOS
2 stops25h 27m
Air Canada
Deal found 7/21![Air Canada logo]()
$1,144
This American Airlines deal was found by Cheapflights users on 7/21. 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.
Wed 8/1910:30 am
BOS
- SYD
1 stop30h 35m
American Airlines
Wed 8/2612:00 pm
SYD
- BOS
1 stop24h 06m
American Airlines
Deal found 7/21![American Airlines logo]()
$1,183
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Wed 8/196:13 pm
BOS
- SYD
1 stop22h 42m
United Airlines
Wed 8/269:30 am
SYD
- BOS
1 stop25h 59m
United Airlines
Deal found 7/20![United Airlines logo]()
$1,187
This oojo deal was found by Cheapflights users on 7/19. 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.
Sat 8/227:00 am
BOS
- MEL
1 stop33h 45m
Qantas Airways
Wed 9/21:35 pm
MEL
- BOS
1 stop22h 31m
Qantas Airways
Deal found 7/19![Qantas Airways logo]()
$1,167
This Cheapflightsfares deal was found by Cheapflights users on 7/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2310:30 am
BOS
- SYD
1 stop30h 35m
Qantas Airways
Sun 8/3012:00 pm
SYD
- BOS
1 stop23h 05m
Qantas Airways
Deal found 7/20![Qantas Airways logo]()
$1,185
This Air Canada deal was found by Cheapflights users on 7/23. 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.
Sun 8/3010:40 am
BOS
- BNE
2 stops30h 25m
Air Canada
Thu 9/1010:15 am
BNE
- BOS
2 stops37h 35m
Air Canada
Deal found 7/23![Air Canada logo]()
$1,182
One-way flights from Boston to AustraliaSearch for one-way flight options from Boston to Australia. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
Search for one-way flight options from Boston to Australia. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
This oojo deal was found by Cheapflights users on 7/19. 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.
Wed 8/197:00 am
BOS
- MEL
1 stop33h 45m
Qantas Airways
Deal found 7/19![Qantas Airways logo]()
$605
This oojo deal was found by Cheapflights users on 7/19. 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.
Tue 8/410:30 am
BOS
- SYD
1 stop30h 35m
Qantas Airways
Deal found 7/19![Qantas Airways logo]()
$611
This oojo deal was found by Cheapflights users on 7/19. 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.
Wed 8/264:27 pm
BOS
- SYD
1 stop24h 28m
Qantas Airways
Deal found 7/19![Qantas Airways logo]()
$612
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 7/295:33 pm
BOS
- SYD
1 stop23h 32m
Qantas Airways
Deal found 7/20![Qantas Airways logo]()
$615
This American Airlines deal was found by Cheapflights users on 7/22. 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.
Wed 8/510:30 am
BOS
- SYD
1 stop30h 35m
American Airlines
Deal found 7/22![American Airlines logo]()
$620
This American Airlines deal was found by Cheapflights users on 7/19. 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 8/43:19 pm
BOS
- SYD
2 stops25h 46m
American Airlines
Deal found 7/19![American Airlines logo]()
$623
This American Airlines deal was found by Cheapflights users on 7/19. 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 8/77:00 am
BOS
- MEL
1 stop33h 45m
American Airlines
Deal found 7/19![American Airlines logo]()
$625
This United Airlines deal was found by Cheapflights users on 7/23. 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 8/216:35 pm
BOS
- MEL
1 stop22h 55m
United Airlines
Deal found 7/23![United Airlines logo]()
$631
This FlightHub deal was found by Cheapflights users on 7/23. 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.
Sun 8/1610:30 am
BOS
- SYD
1 stop30h 35m
Qantas Airways
Deal found 7/23![Qantas Airways logo]()
$637
This United Airlines deal was found by Cheapflights users on 7/20. 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 9/15:01 pm
BOS
- MEL
3 stops48h 29m
United Airlines
Deal found 7/20![United Airlines logo]()
$641
This oojo deal was found by Cheapflights users on 7/22. 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.
Wed 9/1612:59 pm
BOS
- MEL
1 stop26h 01m
Qantas Airways
Deal found 7/22![Qantas Airways logo]()
$646
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Wed 7/296:21 am
BOS
- SYD
3 stops34h 34m
United Airlines
Deal found 7/20![United Airlines logo]()
$650
Find flight deals from Boston to Australia
Keep the following information in mind while searching for Boston to Australia flight deals. Data was last updated July 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,116 (lol.travel) |
One-way from | $605 (oojo) |
Popular in | December |
Cheapest in | September |
Average price | $1,489 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston 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 2,558,603 searches. Data last updated July 24, 2026.
Use the filters below to find and compare flights from Boston to Australia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Sun 8/2
6:36 pm-7:00 am
1 stop22h 24m
Sydney Kingsford Smith
Sun 9/13
9:30 am-6:02 am
2 stops34h 32m
$1,192
Quickest round-trip
BostonMelbourne
BOS - MEL
BOSMEL
Boston Logan Intl
Fri 8/21
4:15 pm-8:15 am
1 stop26h 00m
Melbourne
Fri 8/28
9:30 am-5:20 pm
1 stop21h 50m
$1,203
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Mon 11/16
5:30 am-9:35 am
3 stops36h 05m
Sydney Kingsford Smith
Sat 12/12
11:20 am-9:58 am
2 stops38h 38m
$1,214
BostonBrisbane
BOS - BNE
BOSBNE
Boston Logan Intl
Tue 9/1
8:30 pm-6:30 am
2 stops44h 00m
Brisbane
Tue 9/22
10:30 am-7:10 pm
1 stop22h 40m
$1,219
BostonBrisbane
BOS - BNE
BOSBNE
Boston Logan Intl
Sun 9/6
8:15 am-6:30 am
3 stops32h 15m
Brisbane
Mon 9/21
6:55 am-10:59 pm
2 stops30h 04m
$1,228
BostonMelbourne
BOS - MEL
BOSMEL
Boston Logan Intl
Mon 8/3
1:37 pm-8:15 am
2 stops28h 38m
Melbourne
Sat 8/8
5:10 pm-5:04 pm
2 stops37h 54m
$1,231
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Thu 8/6
1:37 pm-6:55 am
2 stops27h 18m
Sydney Kingsford Smith
Sun 8/16
10:20 am-9:02 pm
1 stop24h 42m
$1,237
BostonBrisbane
BOS - BNE
BOSBNE
Boston Logan Intl
Tue 12/1
6:00 pm-7:30 am
1 stop22h 30m
Brisbane
Sun 12/13
11:40 am-11:54 pm
2 stops27h 14m
$1,246
BostonBrisbane
BOS - BNE
BOSBNE
Boston Logan Intl
Fri 10/30
1:34 pm-6:30 am
2 stops26h 56m
Brisbane
Mon 11/2
11:40 am-11:40 pm
2 stops27h 00m
$1,246
BostonMelbourne
BOS - MEL
BOSMEL
Boston Logan Intl
Thu 10/1
9:20 pm-7:50 am
2 stops44h 30m
Melbourne
Sun 10/11
11:00 am-12:58 am
2 stops28h 58m
$1,312
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Boston to Australia
Have a flexible travel schedule? Discover the best time to fly to Australia from Boston with our price prediction graph.
BOS-SYD
BOS-MEL
BOS-LST
BOS-PER
BOS-CNS
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 Boston to Australia
BOS-AU0
BOS-SYD
BOS-MEL
BOS-LST
BOS-PER
What is the cheapest month to book a flight from Boston to Australia?
Currently, February is the cheapest month in which you can book a flight from Boston to Australia (average of $1,218). Flying from Boston to Australia in December is currently the most expensive (average of $1,887). 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.
How far ahead should I book a flight from Boston to Australia?
To ensure you get the cheapest price possible for a flight from Boston to Australia, you should look to book at least 15 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 July 24, 2026.
Read through reviews of airlines operating flights from Boston to Australia, such as Air New Zealand,Delta, andQantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.4
Crew
8.5
Food
7.5
Boarding
8.2
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Entertainment
7.4
Crew
8.5
Food
7.5
Boarding
8.2
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Entertainment
7.4
Crew
8.5
Food
7.5
Boarding
8.2
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Entertainment
7.4
Crew
8.5
Food
7.5
Boarding
8.2
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Entertainment
7.4
Crew
8.5
Food
7.5
Boarding
8.2
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Entertainment
7.4
Crew
8.5
Food
7.5
Boarding
8.2
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Related info for your journey
Find useful and relevant information for your journey from Boston 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
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top regions
Alternative routes for Boston 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 Boston to Australia by cabin class
Find flights from Boston to Australia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Australia flights
Browse other Boston and Australia flight options. Last updated on July 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Fly to Australia regions
Consider these flights traveling to Australia regions.
Top 9 airlines flying from Boston to Australia
Discover the top 9 airlines that operate flights from Boston 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 2,558,603 searches. Data last updated July 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$318 | Average$1,515 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$703 | Average$772 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$868 | Average$1,517 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$907 | Average$1,369 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$972 | Average$1,575 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$991 | Average$1,423 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,021 | Average$1,434 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,084 | Average$1,436 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$1,543 | Average$1,595 | FlexibilityNo cancel fee | On-time75% |