$580+ 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SYD
5月 29 — 6月 51
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 4月 29, 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 4月 29, 2026.
This American Airlines deal was found by Cheapflights users on 4/24. 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.
週六 4/2510:00 am
BOS
- MEL
1 stop30h 45m
American Airlines
週六 5/29:45 am
MEL
- BOS
1 stop25h 00m
American Airlines
Deal found 4/24![American Airlines logo]()
$1,264
This American Airlines deal was found by Cheapflights users on 4/27. 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.
週五 6/197:42 am
BOS
- MEL
1 stop33h 03m
American Airlines
週一 7/201:35 pm
MEL
- BOS
1 stop24h 24m
American Airlines
Deal found 4/27![American Airlines logo]()
$1,266
This American Airlines deal was found by Cheapflights users on 4/27. 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.
週五 6/1912:01 pm
BOS
- MEL
2 stops28h 44m
American Airlines
週六 7/259:45 am
MEL
- BOS
1 stop22h 55m
American Airlines
Deal found 4/27![American Airlines logo]()
$1,271
This United Airlines deal was found by Cheapflights users on 4/26. 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.
週五 8/145:45 am
BOS
- MEL
2 stops35h 45m
United Airlines
週三 8/2610:55 am
MEL
- BOS
2 stops26h 59m
United Airlines
Deal found 4/26![United Airlines logo]()
$1,277
This United Airlines deal was found by Cheapflights users on 4/28. 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.
週五 6/121:37 pm
BOS
- MEL
2 stops28h 38m
United Airlines
週五 6/199:30 am
MEL
- BOS
2 stops27h 45m
United Airlines
Deal found 4/28![United Airlines logo]()
$1,282
This Delta deal was found by Cheapflights users on 4/27. 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.
週五 10/1610:55 am
BOS
- MEL
1 stop30h 55m
Delta
週六 10/3111:00 am
MEL
- BOS
1 stop27h 51m
Delta
Deal found 4/27![Delta logo]()
$1,285
This American Airlines deal was found by Cheapflights users on 4/24. 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.
週三 5/207:45 am
BOS
- MEL
1 stop33h 00m
American Airlines
週五 7/39:00 am
MEL
- BOS
2 stops25h 51m
American Airlines
Deal found 4/24![American Airlines logo]()
$1,297
This United Airlines deal was found by Cheapflights users on 4/25. 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.
週日 6/711:35 am
BOS
- MEL
1 stop30h 40m
United Airlines
週五 7/39:30 am
MEL
- BOS
2 stops42h 32m
United Airlines
Deal found 4/25![United Airlines logo]()
$1,299
This American Airlines deal was found by Cheapflights users on 4/26. 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.
週三 6/1012:32 pm
BOS
- MEL
2 stops26h 28m
American Airlines
週三 6/179:00 am
MEL
- BOS
2 stops24h 20m
American Airlines
Deal found 4/26![American Airlines logo]()
$1,301
This Cheapflightsfares deal was found by Cheapflights users on 4/27. 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.
週六 8/1512:30 pm
BOS
- SYD
2 stops40h 40m
ANA
週日 8/308:55 pm
SYD
- BOS
2 stops31h 50m
ANA
Deal found 4/27![ANA logo]()
$1,328
This United Airlines deal was found by Cheapflights users on 4/27. 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.
週二 7/284:15 pm
BOS
- SYD
1 stop24h 40m
United Airlines
週二 8/2510:20 am
SYD
- BOS
1 stop22h 42m
United Airlines
Deal found 4/27![United Airlines logo]()
$1,339
This United Airlines deal was found by Cheapflights users on 4/28. 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.
週一 5/48:05 am
BOS
- SYD
2 stops32h 55m
United Airlines
週一 5/119:30 am
SYD
- BOS
1 stop21h 25m
United Airlines
Deal found 4/28![United Airlines logo]()
$1,340
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 4月 29, 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 4月 29, 2026.
This American Airlines deal was found by Cheapflights users on 4/28. 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.
週三 6/2412:32 pm
BOS
- MEL
2 stops26h 28m
American Airlines
週一 7/69:45 am
MEL
- BOS
2 stops25h 14m
American Airlines
Deal found 4/28![American Airlines logo]()
$1,271
This United Airlines deal was found by Cheapflights users on 4/28. 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.
週四 5/284:15 pm
BOS
- MEL
1 stop26h 00m
United Airlines
週四 6/410:55 am
MEL
- BOS
1 stop28h 16m
United Airlines
Deal found 4/28![United Airlines logo]()
$1,277
This Delta deal was found by Cheapflights users on 4/28. 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.
週六 5/303:15 pm
BOS
- SYD
2 stops25h 35m
Delta
週四 6/119:15 am
SYD
- BOS
1 stop28h 39m
Delta
Deal found 4/28![Delta logo]()
$1,402
This Qatar Airways deal was found by Cheapflights users on 4/24. 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.
週四 10/2210:00 pm
BOS
- MEL
1 stop28h 50m
Qatar Airways
週一 10/2611:40 pm
MEL
- BOS
1 stop30h 40m
Qatar Airways
Deal found 4/24![Qatar Airways logo]()
$1,616
This Air Canada deal was found by Cheapflights users on 4/25. 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.
週五 6/1910:50 am
BOS
- AVV
3 stops37h 20m
Multiple Airlines
週一 7/208:55 pm
AVV
- BOS
3 stops52h 57m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$1,626
This Emirates deal was found by Cheapflights users on 4/26. 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.
週一 8/1711:05 pm
BOS
- PER
2 stops37h 35m
Emirates
週一 9/2810:20 pm
PER
- BOS
1 stop27h 50m
Emirates
Deal found 4/26![Emirates logo]()
$1,645
This Turkish Airlines deal was found by Cheapflights users on 4/28. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週四 10/229:50 pm
BOS
- MEL
2 stops31h 50m
Turkish Airlines
週一 10/2610:55 pm
MEL
- BOS
2 stops35h 10m
Turkish Airlines
Deal found 4/28![Turkish Airlines logo]()
$1,663
This BusinessClass deal was found by Cheapflights users on 4/28. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週六 9/1211:54 am
BOS
- HBA
3 stops43h 31m
Air New Zealand
週六 9/1911:25 am
HBA
- BOS
2 stops43h 40m
Air New Zealand
Deal found 4/28![Air New Zealand logo]()
$1,935
This oojo deal was found by Cheapflights users on 4/27. 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.
週二 8/2510:30 am
BOS
- AVV
2 stops37h 50m
Qantas Airways
週三 9/26:00 am
AVV
- BOS
2 stops31h 33m
Qantas Airways
Deal found 4/27![Qantas Airways logo]()
$1,944
This American Airlines deal was found by Cheapflights users on 4/28. 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.
週一 6/292:27 pm
BOS
- MEL
2 stops26h 18m
American Airlines
週一 7/201:35 pm
MEL
- BOS
2 stops24h 30m
American Airlines
Deal found 4/28![American Airlines logo]()
$1,271
This United Airlines deal was found by Cheapflights users on 4/28. 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.
週一 5/116:01 pm
BOS
- SYD
1 stop22h 54m
United Airlines
週二 6/1610:20 am
SYD
- BOS
1 stop25h 01m
United Airlines
Deal found 4/28![United Airlines logo]()
$1,340
This Delta deal was found by Cheapflights users on 4/27. 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.
週三 9/2312:55 pm
BOS
- SYD
2 stops27h 55m
Delta
週三 9/309:15 am
SYD
- BOS
2 stops24h 30m
Delta
Deal found 4/27![Delta logo]()
$1,464
This United Airlines deal was found by Cheapflights users on 4/28. 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.
週四 7/306:26 pm
BOS
- SYD
1 stop22h 34m
United Airlines
週日 8/239:30 am
SYD
- BOS
1 stop21h 53m
United Airlines
Deal found 4/28![United Airlines logo]()
$1,390
This Delta deal was found by Cheapflights users on 4/25. 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.
週一 10/195:00 pm
BOS
- SYD
1 stop23h 50m
Delta
週一 11/210:40 am
SYD
- BOS
2 stops25h 46m
Delta
Deal found 4/25![Delta logo]()
$1,464
This Air Canada deal was found by Cheapflights users on 4/24. 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.
週五 6/1910:50 am
BOS
- AVV
3 stops37h 20m
Multiple Airlines
週六 7/258:55 pm
AVV
- BOS
3 stops50h 58m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$1,626
This Emirates deal was found by Cheapflights users on 4/26. 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.
週日 8/1611:05 pm
BOS
- PER
2 stops37h 35m
Emirates
週三 9/210:20 pm
PER
- BOS
1 stop27h 50m
Emirates
Deal found 4/26![Emirates logo]()
$1,645
This United Airlines deal was found by Cheapflights users on 4/28. 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.
週五 6/126:26 pm
BOS
- SYD
1 stop22h 34m
United Airlines
週五 6/199:30 am
SYD
- BOS
2 stops26h 23m
United Airlines
Deal found 4/28![United Airlines logo]()
$1,444
This Delta deal was found by Cheapflights users on 4/25. 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.
週日 10/183:10 pm
BOS
- SYD
2 stops25h 40m
Delta
週二 11/310:40 am
SYD
- BOS
2 stops24h 31m
Delta
Deal found 4/25![Delta logo]()
$1,464
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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.
週日 8/26:03 am
BOS
- SYD
2 stops46h 47m
Multiple Airlines
週四 8/208:45 pm
SYD
- BOS
2 stops33h 04m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$1,661
This Qatar Airways deal was found by Cheapflights users on 4/26. 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.
週日 10/1810:00 pm
BOS
- HBA
2 stops32h 40m
Qatar Airways
週四 10/226:05 am
HBA
- BOS
2 stops48h 10m
Qatar Airways
Deal found 4/26![Qatar Airways logo]()
$1,835
This Emirates deal was found by Cheapflights users on 4/28. 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.
週三 9/911:05 pm
BOS
- PER
1 stop30h 30m
Emirates
週日 9/1310:20 pm
PER
- BOS
1 stop27h 50m
Emirates
Deal found 4/28![Emirates logo]()
$1,679
This oojo deal was found by Cheapflights users on 4/24. 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.
週三 10/215:45 pm
BOS
- AVV
2 stops31h 20m
Qantas Airways
週三 11/46:00 am
AVV
- BOS
2 stops26h 52m
Qantas Airways
Deal found 4/24![Qantas Airways logo]()
$1,947
This Delta deal was found by Cheapflights users on 4/24. 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.
週二 8/258:15 pm
BOS
- MEL
1 stop45h 35m
Delta
週三 9/210:00 am
MEL
- BOS
1 stop27h 58m
Delta
Deal found 4/24![Delta logo]()
$1,504
This oojo deal was found by Cheapflights users on 4/28. 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.
週六 9/129:30 pm
BOS
- HBA
2 stops50h 25m
Multiple Airlines
週六 9/199:00 pm
HBA
- BOS
2 stops37h 31m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$1,700
This United Airlines deal was found by Cheapflights users on 4/28. 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.
週六 8/156:11 pm
BOS
- ADL
2 stops27h 24m
United Airlines
週六 8/294:30 pm
ADL
- BOS
2 stops38h 23m
United Airlines
Deal found 4/28![United Airlines logo]()
$1,576
This KAYAK deal was found by Cheapflights users on 4/25. 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.
週五 7/108:35 pm
BOS
- CNS
2 stops55h 00m
Qantas Airways
週日 7/263:45 pm
CNS
- BOS
2 stops30h 46m
Qantas Airways
Deal found 4/25![Qantas Airways logo]()
$1,954
This Emirates deal was found by Cheapflights users on 4/25. 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.
週二 5/1911:05 pm
BOS
- BNE
1 stop41h 20m
Emirates
週一 5/259:00 pm
BNE
- BOS
1 stop31h 10m
Emirates
Deal found 4/25![Emirates logo]()
$1,778
This Delta deal was found by Cheapflights users on 4/26. 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.
週三 7/110:20 am
BOS
- MEL
2 stops31h 30m
Delta
週五 7/3110:00 am
MEL
- BOS
1 stop23h 20m
Delta
Deal found 4/26![Delta logo]()
$1,574
This United Airlines deal was found by Cheapflights users on 4/28. 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.
週四 5/285:45 am
BOS
- HBA
3 stops40h 20m
United Airlines
週四 6/48:50 pm
HBA
- BOS
2 stops42h 21m
United Airlines
Deal found 4/28![United Airlines logo]()
$1,584
This Ovago deal was found by Cheapflights users on 4/26. 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.
週一 9/74:25 pm
BOS
- CNS
2 stops40h 15m
Multiple Airlines
週四 9/173:35 pm
CNS
- BOS
2 stops37h 05m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$1,776
Last-minute flights from Boston to AustraliaDiscover last-minute flight deals from Boston to Australia. Data last updated 4月 29, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Australia. Data last updated 4月 29, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/26. 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.
週三 4/2910:18 am
BOS
- MEL
1 stop28h 42m
American Airlines
週二 5/199:45 am
MEL
- BOS
1 stop24h 58m
American Airlines
Deal found 4/26![American Airlines logo]()
$1,266
This United Airlines deal was found by Cheapflights users on 4/27. 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.
週五 5/13:08 pm
BOS
- SYD
2 stops25h 52m
United Airlines
週日 5/109:30 am
SYD
- BOS
1 stop21h 25m
United Airlines
Deal found 4/27![United Airlines logo]()
$1,389
This United Airlines deal was found by Cheapflights users on 4/28. 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.
週六 5/24:52 pm
BOS
- SYD
2 stops48h 03m
United Airlines
週日 5/179:30 am
SYD
- BOS
2 stops23h 56m
United Airlines
Deal found 4/28![United Airlines logo]()
$1,362
This United Airlines deal was found by Cheapflights users on 4/27. 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.
週一 5/43:08 pm
BOS
- SYD
2 stops25h 47m
United Airlines
週一 5/119:30 am
SYD
- BOS
1 stop21h 25m
United Airlines
Deal found 4/27![United Airlines logo]()
$1,339
This Delta deal was found by Cheapflights users on 4/28. 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.
週一 5/49:30 am
BOS
- SYD
2 stops31h 20m
Delta
週一 5/119:15 am
SYD
- BOS
2 stops23h 54m
Delta
Deal found 4/28![Delta logo]()
$1,344
This Air Canada deal was found by Cheapflights users on 4/28. 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.
週一 5/1110:35 am
BOS
- SYD
2 stops30h 45m
Air Canada
週二 6/169:20 am
SYD
- BOS
2 stops38h 25m
Air Canada
Deal found 4/28![Air Canada logo]()
$1,379
This United Airlines deal was found by Cheapflights users on 4/24. 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.
週一 5/188:05 am
BOS
- SYD
2 stops32h 55m
United Airlines
週四 6/410:20 am
SYD
- BOS
2 stops25h 33m
United Airlines
Deal found 4/24![United Airlines logo]()
$1,394
This American Airlines deal was found by Cheapflights users on 4/28. 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.
週一 5/187:45 am
BOS
- BNE
1 stop31h 15m
American Airlines
週一 5/258:35 pm
BNE
- BOS
1 stop24h 30m
American Airlines
Deal found 4/28![American Airlines logo]()
$1,396
This American Airlines deal was found by Cheapflights users on 4/24. 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.
週三 5/207:45 am
BOS
- MEL
1 stop33h 00m
American Airlines
週五 7/39:00 am
MEL
- BOS
2 stops25h 51m
American Airlines
Deal found 4/24![American Airlines logo]()
$1,297
This United Airlines deal was found by Cheapflights users on 4/24. 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.
週三 5/203:43 pm
BOS
- MEL
2 stops25h 47m
United Airlines
週五 7/39:30 am
MEL
- BOS
2 stops24h 00m
United Airlines
Deal found 4/24![United Airlines logo]()
$1,359
This United Airlines deal was found by Cheapflights users on 4/24. 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.
週五 5/223:54 pm
BOS
- MEL
2 stops25h 36m
United Airlines
週五 5/2910:55 am
MEL
- BOS
1 stop22h 04m
United Airlines
Deal found 4/24![United Airlines logo]()
$1,277
This United Airlines deal was found by Cheapflights users on 4/28. 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.
週四 5/281:37 pm
BOS
- MEL
2 stops28h 38m
United Airlines
週四 6/410:55 am
MEL
- BOS
2 stops28h 04m
United Airlines
Deal found 4/28![United Airlines logo]()
$1,282
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 4月 29, 2026.
Search for one-way flight options from Boston to Australia. Find affordable one-way fares based on user searches. Data last updated 4月 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
週四 7/235:45 am
BOS
- SYD
3 stops40h 05m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$580
This Trip.com deal was found by Cheapflights users on 4/27. 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.
週五 8/1412:04 pm
BOS
- MEL
3 stops33h 56m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$588
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
週二 7/215:45 am
BOS
- SYD
3 stops40h 05m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$602
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
週日 5/247:20 am
BOS
- SYD
3 stops38h 30m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$691
This American Airlines deal was found by Cheapflights users on 4/24. 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.
週四 6/184:29 pm
BOS
- MEL
1 stop24h 16m
American Airlines
Deal found 4/24![American Airlines logo]()
$701
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
週二 5/266:40 pm
BOS
- SYD
3 stops51h 10m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$704
This American Airlines deal was found by Cheapflights users on 4/27. 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.
週五 6/194:29 pm
BOS
- MEL
1 stop24h 16m
American Airlines
Deal found 4/27![American Airlines logo]()
$705
This United Airlines deal was found by Cheapflights users on 4/28. 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.
週五 6/122:15 pm
BOS
- MEL
2 stops27h 15m
United Airlines
Deal found 4/28![United Airlines logo]()
$709
This KAYAK deal was found by Cheapflights users on 4/26. 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.
週五 5/87:21 am
BOS
- MEL
1 stop34h 09m
Air New Zealand
Deal found 4/26![Air New Zealand logo]()
$710
This United Airlines deal was found by Cheapflights users on 4/27. 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.
週五 5/81:55 pm
BOS
- MEL
1 stop28h 20m
United Airlines
Deal found 4/27![United Airlines logo]()
$711
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
週日 5/35:05 pm
BOS
- SYD
3 stops52h 45m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$715
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
週日 5/316:00 am
BOS
- BNE
2 stops33h 00m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$722
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 4月 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,266 (American Airlines) |
One-way from | $580 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $1,523 |
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 4月 29, 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
BostonMelbourne
BOS - MEL
BOSMEL
Boston Logan Intl
週三 6/24
12:32 pm-5:00 am
2 stops26h 28m
Melbourne
週一 7/6
9:45 am-8:59 pm
2 stops25h 14m
$1,271
BostonMelbourne
BOS - MEL
BOSMEL
Boston Logan Intl
週一 6/29
2:27 pm-6:45 am
2 stops26h 18m
Melbourne
週一 7/20
1:35 pm-12:05 am
2 stops24h 30m
$1,271
BostonMelbourne
BOS - MEL
BOSMEL
Boston Logan Intl
週四 5/28
4:15 pm-8:15 am
1 stop26h 00m
Melbourne
週四 6/4
10:55 am-1:11 am
1 stop28h 16m
$1,277
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
週一 5/11
6:01 pm-6:55 am
1 stop22h 54m
Sydney Kingsford Smith
週二 6/16
10:20 am-9:21 pm
1 stop25h 01m
$1,340
Quickest round-trip
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
週四 7/30
6:26 pm-7:00 am
1 stop22h 34m
Sydney Kingsford Smith
週日 8/23
9:30 am-5:23 pm
1 stop21h 53m
$1,390
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
週六 5/30
3:15 pm-6:50 am
2 stops25h 35m
Sydney Kingsford Smith
週四 6/11
9:15 am-11:54 pm
1 stop28h 39m
$1,402
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
週五 6/12
6:26 pm-7:00 am
1 stop22h 34m
Sydney Kingsford Smith
週五 6/19
9:30 am-9:53 pm
2 stops26h 23m
$1,444
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
週三 9/23
12:55 pm-6:50 am
2 stops27h 55m
Sydney Kingsford Smith
週三 9/30
9:15 am-7:45 pm
2 stops24h 30m
$1,464
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
週一 10/19
5:00 pm-7:50 am
1 stop23h 50m
Sydney Kingsford Smith
週一 11/2
10:40 am-8:26 pm
2 stops25h 46m
$1,464
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
週日 10/18
3:10 pm-7:50 am
2 stops25h 40m
Sydney Kingsford Smith
週二 11/3
10:40 am-7:11 pm
2 stops24h 31m
$1,464
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-MEL
BOS-SYD
BOS-BNE
BOS-PER
BOS-AVV
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-MEL
BOS-SYD
BOS-BNE
BOS-PER
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 45 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.
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 $179). Flying from Boston to Australia in July is currently the most expensive (average of $965). 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 4月 29, 2026.
Read through reviews of airlines operating flights from Boston to Australia, such as Delta,Qantas Airways, andQatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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
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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 4月 29, 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 10 airlines flying from Boston to Australia
Discover the top 10 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 4月 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$273 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$312 | Average$1,503 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$583 | Average$1,560 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$727 | Average$1,260 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$862 | Average$1,463 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$907 | Average$1,291 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$972 | Average$1,572 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$991 | Average$1,478 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,021 | Average$1,561 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,541 | Average$1,620 | FlexibilityNo cancel fee | On-time75% |