$582+ Cheap flights from Boston (BOS) to New South Wales
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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SYD
Jul 22 — Jul 291
Round-trip
1 adult, Economy
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Find cheap flights from Boston to New South Wales with Cheapflights
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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 Boston to New South WalesExplore the most affordable flight options available from Boston to New South Wales. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 22, 2026.
Explore the most affordable flight options available from Boston to New South Wales. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 22, 2026.
This United Airlines deal was found by Cheapflights users on 6/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/278:32 pm
BOS
- SYD
1 stop44h 23m
United Airlines
Tue 7/710:20 am
SYD
- BOS
1 stop28h 51m
United Airlines
Deal found 6/22![United Airlines logo]()
$1,199
This United Airlines deal was found by Cheapflights users on 6/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:01 pm
BOS
- SYD
2 stops47h 54m
United Airlines
Sun 8/309:30 am
SYD
- BOS
1 stop21h 50m
United Airlines
Deal found 6/22![United Airlines logo]()
$1,205
This oojo deal was found by Cheapflights users on 6/22. 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 6/244:29 pm
BOS
- SYD
1 stop24h 36m
Qantas Airways
Fri 7/109:10 am
SYD
- BOS
1 stop21h 28m
Qantas Airways
Deal found 6/22![Qantas Airways logo]()
$1,206
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/296:50 am
BOS
- SYD
2 stops58h 00m
Delta
Wed 7/89:15 am
SYD
- BOS
2 stops26h 46m
Delta
Deal found 6/22![Delta logo]()
$1,210
This American Airlines deal was found by Cheapflights users on 6/22. 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 6/244:29 pm
BOS
- SYD
1 stop24h 36m
American Airlines
Sat 7/1112:00 pm
SYD
- BOS
1 stop25h 10m
American Airlines
Deal found 6/22![American Airlines logo]()
$1,234
This KAYAK deal was found by Cheapflights users on 6/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/286:36 pm
BOS
- SYD
1 stop22h 24m
Air New Zealand
Wed 7/810:20 am
SYD
- BOS
1 stop22h 39m
Air New Zealand
Deal found 6/22![Air New Zealand logo]()
$1,237
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/254:25 pm
BOS
- SYD
1 stop24h 25m
Delta
Mon 7/69:15 am
SYD
- BOS
1 stop28h 39m
Delta
Deal found 6/22![Delta logo]()
$1,238
This American Airlines deal was found by Cheapflights users on 6/22. 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 6/243:10 pm
BOS
- SYD
2 stops25h 55m
American Airlines
Fri 7/1012:00 pm
SYD
- BOS
2 stops23h 33m
American Airlines
Deal found 6/22![American Airlines logo]()
$1,239
This United Airlines deal was found by Cheapflights users on 6/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/263:54 pm
BOS
- SYD
2 stops25h 06m
United Airlines
Sun 7/59:30 am
SYD
- BOS
2 stops25h 51m
United Airlines
Deal found 6/22![United Airlines logo]()
$1,242
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/273:10 pm
BOS
- SYD
2 stops25h 40m
Delta
Wed 7/89:15 am
SYD
- BOS
2 stops24h 15m
Delta
Deal found 6/22![Delta logo]()
$1,243
This United Airlines deal was found by Cheapflights users on 6/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/278:32 pm
BOS
- SYD
1 stop44h 23m
United Airlines
Fri 7/1010:20 am
SYD
- BOS
1 stop22h 39m
United Airlines
Deal found 6/22![United Airlines logo]()
$1,249
Best flights from Boston to New South WalesDiscover carefully curated flight deals from Boston to New South Wales that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 22, 2026.
Discover carefully curated flight deals from Boston to New South Wales that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 22, 2026.
This Delta deal was found by Cheapflights users on 6/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/24:25 pm
BOS
- SYD
1 stop24h 25m
Delta
Thu 7/99:15 am
SYD
- BOS
1 stop28h 36m
Delta
Deal found 6/20![Delta logo]()
$1,288
This United Airlines deal was found by Cheapflights users on 6/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/159:20 am
BOS
- SYD
1 stop31h 35m
United Airlines
Sat 8/229:30 am
SYD
- BOS
2 stops25h 32m
United Airlines
Deal found 6/22![United Airlines logo]()
$1,288
This Qatar Airways deal was found by Cheapflights users on 6/22. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:00 pm
BOS
- SYD
1 stop42h 10m
Qatar Airways
Thu 10/223:50 pm
SYD
- BOS
1 stop38h 25m
Qatar Airways
Deal found 6/22![Qatar Airways logo]()
$1,614
This Air New Zealand deal was found by Cheapflights users on 6/20. 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.
Mon 8/2412:27 pm
BOS
- SYD
3 stops30h 18m
Multiple Airlines
Mon 9/79:55 am
SYD
- BOS
3 stops37h 38m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$1,776
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/21:55 pm
BOS
- SYD
2 stops26h 55m
Delta
Fri 7/109:15 am
SYD
- BOS
2 stops24h 15m
Delta
Deal found 6/22![Delta logo]()
$1,293
This United Airlines deal was found by Cheapflights users on 6/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:45 am
BOS
- SYD
1 stop33h 10m
United Airlines
Sun 9/279:30 am
SYD
- BOS
2 stops26h 19m
United Airlines
Deal found 6/22![United Airlines logo]()
$1,358
This Delta deal was found by Cheapflights users on 6/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/174:30 pm
BOS
- SYD
1 stop24h 20m
Delta
Mon 10/510:15 am
SYD
- BOS
1 stop28h 36m
Delta
Deal found 6/19![Delta logo]()
$1,358
This United Airlines deal was found by Cheapflights users on 6/19. 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.
Wed 7/88:39 pm
BOS
- SYD
2 stops44h 21m
United Airlines
Mon 7/2010:20 am
SYD
- BOS
1 stop20h 44m
United Airlines
Deal found 6/19![United Airlines logo]()
$1,618
This Air New Zealand deal was found by Cheapflights users on 6/22. 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 New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:45 pm
BOS
- SYD
3 stops29h 00m
Multiple Airlines
Mon 11/22:05 pm
SYD
- BOS
3 stops27h 01m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$1,819
This Air New Zealand deal was found by Cheapflights users on 6/18. 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 Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:27 pm
BOS
- SYD
3 stops30h 18m
Multiple Airlines
Sat 9/511:55 am
SYD
- BOS
3 stops36h 59m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$1,826
This United Airlines deal was found by Cheapflights users on 6/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1811:45 am
BOS
- SYD
1 stop29h 15m
United Airlines
Thu 10/2211:20 am
SYD
- BOS
2 stops27h 39m
United Airlines
Deal found 6/22![United Airlines logo]()
$1,818
This Air New Zealand deal was found by Cheapflights users on 6/19. 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 Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/89:50 am
BOS
- SYD
3 stops32h 55m
Multiple Airlines
Mon 7/209:55 am
SYD
- BOS
3 stops37h 34m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$2,094
Last-minute flights from Boston to New South WalesDiscover last-minute flight deals from Boston to New South Wales. Data last updated June 22, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to New South Wales. Data last updated June 22, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 6/22. 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 6/244:29 pm
BOS
- SYD
1 stop24h 36m
Qantas Airways
Fri 7/109:10 am
SYD
- BOS
1 stop21h 28m
Qantas Airways
Deal found 6/22![Qantas Airways logo]()
$1,206
This American Airlines deal was found by Cheapflights users on 6/22. 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 6/244:29 pm
BOS
- SYD
1 stop24h 36m
American Airlines
Sat 7/1112:00 pm
SYD
- BOS
1 stop25h 10m
American Airlines
Deal found 6/22![American Airlines logo]()
$1,234
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/254:25 pm
BOS
- SYD
1 stop24h 25m
Delta
Mon 7/69:15 am
SYD
- BOS
1 stop28h 39m
Delta
Deal found 6/22![Delta logo]()
$1,238
This United Airlines deal was found by Cheapflights users on 6/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/263:54 pm
BOS
- SYD
2 stops25h 06m
United Airlines
Tue 7/710:20 am
SYD
- BOS
1 stop20h 44m
United Airlines
Deal found 6/22![United Airlines logo]()
$1,242
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/268:35 pm
BOS
- SYD
1 stop44h 15m
Delta
Mon 7/69:15 am
SYD
- BOS
1 stop28h 39m
Delta
Deal found 6/22![Delta logo]()
$1,250
This United Airlines deal was found by Cheapflights users on 6/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/278:32 pm
BOS
- SYD
1 stop44h 23m
United Airlines
Tue 7/710:20 am
SYD
- BOS
1 stop28h 51m
United Airlines
Deal found 6/22![United Airlines logo]()
$1,199
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/273:10 pm
BOS
- SYD
2 stops25h 40m
Delta
Wed 7/89:15 am
SYD
- BOS
2 stops24h 15m
Delta
Deal found 6/22![Delta logo]()
$1,243
This United Airlines deal was found by Cheapflights users on 6/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/278:32 pm
BOS
- SYD
1 stop44h 23m
United Airlines
Fri 7/1010:20 am
SYD
- BOS
1 stop22h 39m
United Airlines
Deal found 6/22![United Airlines logo]()
$1,249
This KAYAK deal was found by Cheapflights users on 6/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/286:36 pm
BOS
- SYD
1 stop22h 24m
Air New Zealand
Wed 7/810:20 am
SYD
- BOS
1 stop22h 39m
Air New Zealand
Deal found 6/22![Air New Zealand logo]()
$1,237
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/296:50 am
BOS
- SYD
2 stops58h 00m
Delta
Wed 7/89:15 am
SYD
- BOS
2 stops26h 46m
Delta
Deal found 6/22![Delta logo]()
$1,210
One-way flights from Boston to New South WalesSearch for one-way flight options from Boston to New South Wales. Find affordable one-way fares based on user searches. Data last updated June 22, 2026.
Search for one-way flight options from Boston to New South Wales. Find affordable one-way fares based on user searches. Data last updated June 22, 2026.
This Trip.com deal was found by Cheapflights users on 6/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:04 am
BOS
- SYD
3 stops46h 06m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$582
This oojo deal was found by Cheapflights users on 6/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:33 pm
BOS
- SYD
1 stop23h 32m
Qantas Airways
Deal found 6/18![Qantas Airways logo]()
$608
This American Airlines deal was found by Cheapflights users on 6/21. 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.
Tue 8/43:19 pm
BOS
- SYD
2 stops25h 06m
American Airlines
Deal found 6/21![American Airlines logo]()
$624
This Delta deal was found by Cheapflights users on 6/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:30 pm
BOS
- SYD
2 stops45h 20m
Delta
Deal found 6/19![Delta logo]()
$631
This Trip.com deal was found by Cheapflights users on 6/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2310:04 am
BOS
- SYD
3 stops46h 06m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$646
This Kiwi.com deal was found by Cheapflights users on 6/20. 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 8/266:30 pm
BOS
- SYD
2 stops48h 35m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$673
This oojo deal was found by Cheapflights users on 6/21. 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.
Mon 10/265:49 pm
BOS
- SYD
1 stop23h 11m
Qantas Airways
Deal found 6/21![Qantas Airways logo]()
$678
This Mytrip deal was found by Cheapflights users on 6/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/111:43 am
BOS
- SYD
3 stops32h 52m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$686
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:25 am
BOS
- SYD
2 stops35h 40m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$689
Find flight deals from Boston to New South Wales
Keep the following information in mind while searching for Boston to New South Wales flight deals. Data was last updated June 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,205 (United Airlines) |
One-way from | $582 (Trip.com) |
Popular in | December |
Cheapest in | September |
Average price | $1,468 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to New South Wales 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 June 22, 2026.
Use the filters below to find and compare flights from Boston to New South Wales that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Thu 7/2
4:25 pm-6:50 am
1 stop24h 25m
Sydney Kingsford Smith
Thu 7/9
9:15 am-11:51 pm
1 stop28h 36m
$1,288
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Sat 8/15
9:20 am-6:55 am
1 stop31h 35m
Sydney Kingsford Smith
Sat 8/22
9:30 am-9:02 pm
2 stops25h 32m
$1,288
Quickest round-trip
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Thu 7/2
1:55 pm-6:50 am
2 stops26h 55m
Sydney Kingsford Smith
Fri 7/10
9:15 am-7:30 pm
2 stops24h 15m
$1,293
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Fri 9/11
7:45 am-6:55 am
1 stop33h 10m
Sydney Kingsford Smith
Sun 9/27
9:30 am-9:49 pm
2 stops26h 19m
$1,358
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Thu 9/17
4:30 pm-6:50 am
1 stop24h 20m
Sydney Kingsford Smith
Mon 10/5
10:15 am-11:51 pm
1 stop28h 36m
$1,358
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Sun 10/18
10:00 pm-7:10 am
1 stop42h 10m
Sydney Kingsford Smith
Thu 10/22
3:50 pm-3:15 pm
1 stop38h 25m
$1,614
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Wed 7/8
8:39 pm-7:00 am
2 stops44h 21m
Sydney Kingsford Smith
Mon 7/20
10:20 am-5:04 pm
1 stop20h 44m
$1,618
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Mon 8/24
12:27 pm-8:45 am
3 stops30h 18m
Sydney Kingsford Smith
Mon 9/7
9:55 am-9:33 am
3 stops37h 38m
$1,776
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Sun 10/18
11:45 am-8:00 am
1 stop29h 15m
Sydney Kingsford Smith
Thu 10/22
11:20 am-11:59 pm
2 stops27h 39m
$1,818
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Fri 10/23
12:45 pm-8:45 am
3 stops29h 00m
Sydney Kingsford Smith
Mon 11/2
2:05 pm-1:06 am
3 stops27h 01m
$1,819
Showing 1-10 of 23 resultsSorted by cheapest first
Best time to book a flight from Boston to New South Wales
Have a flexible travel schedule? Discover the best time to fly to New South Wales from Boston with our price prediction graph.
BOS-SYD
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 New South Wales
BOS-AUNSW
BOS-SYD
What is the cheapest month to book a flight from Boston to New South Wales?
Currently, February is the cheapest month in which you can book a flight from Boston to New South Wales (average of $179). Flying from Boston to New South Wales in April is currently the most expensive (average of $1,076). 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 much does it cost to fly round-trip from Boston to New South Wales?
How far ahead should I book a flight from Boston to New South Wales?
To ensure you get the cheapest price possible for a flight from Boston to New South Wales, you should look to book at least 14 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 New South Wales
Get insights into the airlines that provide service to New South Wales. 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 New South Wales. Reviews last updated June 22, 2026.
Read reviews from past customers who have flown Air New Zealand,Delta, andQantas Airways from Boston to New South Wales. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.9
Boarding
8.2
Overall
8.0
Entertainment
7.4
Food
7.4
Crew
8.5
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Comfort
7.9
Boarding
8.2
Overall
8.0
Entertainment
7.4
Food
7.4
Crew
8.5
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Comfort
7.9
Boarding
8.2
Overall
8.0
Entertainment
7.4
Food
7.4
Crew
8.5
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Comfort
7.9
Boarding
8.2
Overall
8.0
Entertainment
7.4
Food
7.4
Crew
8.5
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Comfort
7.9
Boarding
8.2
Overall
8.0
Entertainment
7.4
Food
7.4
Crew
8.5
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Comfort
7.9
Boarding
8.2
Overall
8.0
Entertainment
7.4
Food
7.4
Crew
8.5
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Related info for your journey
Find useful and relevant information for your journey from Boston to New South Wales. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Boston to New South Wales
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Complete your trip
Complete your trip to New South Wales by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to New South Wales by cabin class
Find flights from Boston to New South Wales, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and New South Wales flights
Browse other Boston and New South Wales flight options. Last updated on June 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 8 airlines flying from Boston to New South Wales
Discover the top 8 airlines that operate flights from Boston to New South Wales. 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 June 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$318 | Average$1,454 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$727 | Average$783 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$907 | Average$1,363 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$1,085 | Average$1,457 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,145 | Average$1,516 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,147 | Average$1,450 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,166 | Average$1,481 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$1,233 | Average$1,558 | FlexibilityNo cancel fee | On-time68% |