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$477+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SYD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Boston to Australia

Keep the following information in mind while searching for Boston to Australia flight deals. Data was last updated June 12, 2025.

Round-trip from

$1,257
(Air Canada)

One-way from

$477
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$1,484
From Boston Logan Intl to Australia
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One-way flight from Boston Logan Intl to Australia
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Highest demand for flights based on searches. 12% potential increase in price ($198 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Boston to Australia

Cheapest flights from Boston to Australia
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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/11. 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.
Wed 11/1910:55 amBOS - BNE
1 stop29h 50mDelta
Sun 11/3010:45 amBNE - BOS
1 stop28h 16mDelta
Deal found 6/11$1,066
This Air Canada deal was found by Cheapflights users on 6/10. 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.
Fri 11/710:20 amBOS - BNE
2 stops31h 20mAir Canada
Fri 11/2810:45 amBNE - BOS
2 stops24h 33mAir Canada
Deal found 6/10$1,171
This KAYAK deal was found by Cheapflights users on 6/11. 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 11/24:18 pmBOS - BNE
1 stop23h 12mQantas Airways
Sun 11/169:45 amBNE - BOS
1 stop22h 16mQantas Airways
Deal found 6/11$1,234
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Sat 10/251:55 pmBOS - BNE
3 stops30h 30mMultiple Airlines
Tue 11/1112:10 pmBNE - BOS
1 stop24h 50mMultiple Airlines
Deal found 6/11$1,292
This United Airlines deal was found by Cheapflights users on 6/10. 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 11/711:00 amBOS - BNE
1 stop29h 30mUnited Airlines
Fri 11/2811:40 amBNE - BOS
1 stop22h 44mUnited Airlines
Deal found 6/10$1,314
This oojo deal was found by Cheapflights users on 6/10. 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 8/247:30 amBOS - MEL
2 stops37h 20mAir New Zealand
Mon 9/18:35 amMEL - BOS
2 stops36h 43mAir New Zealand
Deal found 6/10$1,321
This oojo deal was found by Cheapflights users on 6/9. 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 8/125:31 pmBOS - BNE
2 stops24h 59mAir New Zealand
Tue 9/212:15 pmBNE - BOS
2 stops25h 13mAir New Zealand
Deal found 6/9$1,347
This Gurufare deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/97:05 amBOS - SYD
2 stops35h 20mAir New Zealand
Mon 11/179:55 amSYD - BOS
2 stops27h 40mAir New Zealand
Deal found 6/10$1,351
This KAYAK deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/15:30 pmBOS - SYD
1 stop24h 30mQantas Airways
Sat 11/1511:15 amSYD - BOS
1 stop27h 43mQantas Airways
Deal found 6/11$1,354
This FlightHub deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/183:15 pmBOS - SYD
2 stops26h 05mAir Canada
Fri 10/3110:20 amSYD - BOS
2 stops24h 58mAir Canada
Deal found 6/12$1,358
This FlightHub deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/154:18 pmBOS - SYD
2 stops28h 12mFiji Airways
Wed 12/102:00 pmSYD - BOS
2 stops25h 02mFiji Airways
Deal found 6/12$1,360
This oojo deal was found by Cheapflights users on 6/11. 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 9/810:00 pmBOS - BNE
1 stop29h 30mQatar Airways
Tue 9/2310:10 pmBNE - BOS
1 stop30h 55mQatar Airways
Deal found 6/11$1,361

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 June 12, 2025.
Use the filters below to find and compare flights from Boston to Australia that are best for you.

Fly from

Boston

Fly to

Australia

Route

Depart

Return

Price

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Wed 11/19

10:55 am-7:45 am

1 stop29h 50m

Brisbane

Sun 11/30

10:45 am-12:01 am

1 stop28h 16m

$1,066

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Fri 11/7

10:20 am-8:40 am

2 stops31h 20m

Brisbane

Fri 11/28

10:45 am-8:18 pm

2 stops24h 33m

$1,171

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Sun 11/2

4:18 pm-6:30 am

1 stop23h 12m

Brisbane

Sun 11/16

9:45 am-5:01 pm

1 stop22h 16m

$1,234

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Sat 10/25

1:55 pm-10:25 am

3 stops30h 30m

Brisbane

Tue 11/11

12:10 pm-10:00 pm

1 stop24h 50m

$1,292

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Fri 11/7

11:00 am-7:30 am

1 stop29h 30m

Brisbane

Fri 11/28

11:40 am-7:24 pm

1 stop22h 44m

$1,314

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Sun 8/24

7:30 am-10:50 am

2 stops37h 20m

Melbourne

Mon 9/1

8:35 am-7:18 am

2 stops36h 43m

$1,321

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Tue 8/12

5:31 pm-8:30 am

2 stops24h 59m

Brisbane

Tue 9/2

12:15 pm-11:28 pm

2 stops25h 13m

$1,347

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sun 11/9

7:05 am-10:25 am

2 stops35h 20m

Sydney Kingsford Smith

Mon 11/17

9:55 am-9:35 pm

2 stops27h 40m

$1,351

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sat 11/1

5:30 pm-9:00 am

1 stop24h 30m

Sydney Kingsford Smith

Sat 11/15

11:15 am-10:58 pm

1 stop27h 43m

$1,354

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sat 10/18

3:15 pm-8:20 am

2 stops26h 05m

Sydney Kingsford Smith

Fri 10/31

10:20 am-8:18 pm

2 stops24h 58m

$1,358

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 52 results
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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.
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

What is the cheapest month to book a flight from Boston to Australia?

Currently, March is the cheapest month in which you can book a flight from Boston to Australia (average of $1,041). Flying from Boston to Australia in December is currently the most expensive (average of $1,635). 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.

What is the cheapest time of day to fly from BOS to AU?

Find hourly flight availability from Boston to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

When flying from Boston to Australia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Australia by month

Plan your trip to Australia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Australia ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Australia when rainfall is around 2.0 in.

Temperature in Australia by month

Plan your trip to Australia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Australia, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

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 June 12, 2025.
Get a feel of what it's like to fly with Air Tahiti Nui, Korean Air and Japan Airlines from Boston to Australia by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Entertainment

7.3

Comfort

8.1

Food

7.8

Boarding

8.7

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air Tahiti Nui
8.7
Very good
64 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Entertainment

7.3

Comfort

8.1

Food

7.8

Boarding

8.7

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Korean Air
8.4
Very good
1,088 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Entertainment

7.3

Comfort

8.1

Food

7.8

Boarding

8.7

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Japan Airlines
8.3
Very good
1,490 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Entertainment

7.3

Comfort

8.1

Food

7.8

Boarding

8.7

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
ANA
8.3
Very good
882 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Entertainment

7.3

Comfort

8.1

Food

7.8

Boarding

8.7

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Fiji Airways
8.1
Very good
194 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Entertainment

7.3

Comfort

8.1

Food

7.8

Boarding

8.7

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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.

  • What airport do you fly from for flights from Boston to Australia?

    Located just 2.6 mi from the city center, Boston Logan Intl (BOS) is the airport most travelers will use when flying to Australia from Boston.

  • What are the cheapest airlines to fly from Boston to Australia one-way?

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $616. Users have also found prices from $641 and $650 on Qantas Airways and Fiji Airways, respectively.

  • What are the most popular routes from Boston to Australia?

    The most popular route from Boston to Australia is Boston Logan Intl - Sydney Kingsford Smith. You may also consider Boston Logan Intl - Melbourne or Boston Logan Intl - Brisbane.

  • Can I find deals for flights from Boston to Australia that include hotel bookings?

    Yes. In addition to deals on Boston to Australia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Australia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Australia.

  • Can I find deals for business class flights from Boston to Australia?

    Yes. Cheapflights offers flight deals from Boston to Australia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Australia?

    Currently, March is the cheapest month in which you can book a flight from Boston to Australia (average of $1,041). Flying from Boston to Australia in December is currently the most expensive (average of $1,635). 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.

See more FAQs

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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.
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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$248Average$1,473FlexibilityNo cancel feeOn-time62%
Air CanadaCheapest$735Average$1,342FlexibilityNo cancel feeOn-time67%
Fiji AirwaysCheapest$740Average$1,401FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$824Average$1,691FlexibilityNo cancel feeOn-time69%
DeltaCheapest$825Average$1,286FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$941Average$1,593FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$1,195Average$1,812FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,228Average$1,995FlexibilityNo cancel feeOn-time78%
Cathay PacificCheapest$1,251Average$1,580FlexibilityNo cancel feeOn-time72%
Qatar AirwaysCheapest$1,295Average$1,663FlexibilityNo cancel feeOn-time68%

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