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$512+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SYD
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,229
(Kiwi.com)

One-way from

$512
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$1,292
Provider with most accurate pricing for Boston Logan Intl-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Sydney Kingsford Smith flights.
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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 ($217 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This Air Canada deal was found by Cheapflights users on 3/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2110:20 amBOS - BNE
2 stops31h 20mAir Canada
Sat 11/2910:45 amBNE - BOS
2 stops24h 33mAir Canada
Deal found 3/26$1,200
This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
Thu 5/112:59 pmBOS - SYD
2 stops33h 16mMultiple Airlines
Fri 5/94:20 pmSYD - BOS
1 stop29h 30mMultiple Airlines
Deal found 3/27$1,229
This Air Canada deal was found by Cheapflights users on 3/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/133:20 pmBOS - SYD
2 stops26h 00mAir Canada
Sun 8/109:20 amSYD - BOS
2 stops38h 15mAir Canada
Deal found 3/26$1,241
This oojo deal was found by Cheapflights users on 3/27. 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.
Sat 5/106:09 pmBOS - MEL
2 stops35h 11mMultiple Airlines
Sat 5/177:30 amMEL - BOS
2 stops30h 03mMultiple Airlines
Deal found 3/27$1,266
This StudentUniverse deal was found by Cheapflights users on 3/27. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/15:58 pmBOS - SYD
2 stops37h 12mFiji Airways
Tue 4/86:15 amSYD - BOS
2 stops31h 29mFiji Airways
Deal found 3/27$1,270
This Justfly.com deal was found by Cheapflights users on 3/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/117:00 pmBOS - MEL
3 stops50h 05mAir Canada
Mon 6/28:30 pmMEL - BOS
3 stops51h 25mAir Canada
Deal found 3/27$1,301
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Fri 11/218:00 amBOS - BNE
1 stop32h 30mUnited Airlines
Sat 11/2911:40 amBNE - BOS
1 stop35h 32mUnited Airlines
Deal found 3/26$1,325
This BestPriceTravel deal was found by Cheapflights users on 3/26. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2012:00 pmBOS - SYD
1 stop29h 05mQantas Airways
Sat 5/319:10 amSYD - BOS
1 stop27h 24mQantas Airways
Deal found 3/26$1,355
This FlightHub deal was found by Cheapflights users on 3/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2210:00 pmBOS - SYD
1 stop29h 10mQatar Airways
Mon 11/39:40 pmSYD - BOS
1 stop32h 15mQatar Airways
Deal found 3/26$1,373
This FlightHub deal was found by Cheapflights users on 3/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/268:00 pmBOS - MEL
2 stops31h 00mTurkish Airlines
Wed 12/38:40 pmMEL - BOS
2 stops37h 25mTurkish Airlines
Deal found 3/27$1,374
This Air Canada deal was found by Cheapflights users on 3/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/112:15 pmBOS - CNS
3 stops37h 40mMultiple Airlines
Sun 6/87:00 pmCNS - BOS
3 stops41h 36mMultiple Airlines
Deal found 3/26$1,386
This Air Canada deal was found by Cheapflights users on 3/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/312:15 pmBOS - AVV
3 stops35h 55mMultiple Airlines
Wed 10/86:00 amAVV - BOS
3 stops43h 04mMultiple Airlines
Deal found 3/26$1,390

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 March 28, 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

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Thu 5/1

12:59 pm-12:15 pm

2 stops33h 16m

Sydney Kingsford Smith

Fri 5/9

4:20 pm-7:50 am

1 stop29h 30m

$1,229

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Fri 6/13

3:20 pm-7:20 am

2 stops26h 00m

Sydney Kingsford Smith

Sun 8/10

9:20 am-9:35 am

2 stops38h 15m

$1,241

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Sat 5/10

6:09 pm-7:20 pm

2 stops35h 11m

Melbourne

Sat 5/17

7:30 am-11:33 pm

2 stops30h 03m

$1,266

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Tue 4/1

5:58 pm-10:10 pm

2 stops37h 12m

Sydney Kingsford Smith

Tue 4/8

6:15 am-11:44 pm

2 stops31h 29m

$1,270

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Sun 5/11

7:00 pm-11:05 am

3 stops50h 05m

Melbourne

Mon 6/2

8:30 pm-9:55 am

3 stops51h 25m

$1,301

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Tue 5/20

12:00 pm-7:05 am

1 stop29h 05m

Sydney Kingsford Smith

Sat 5/31

9:10 am-10:34 pm

1 stop27h 24m

$1,355

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Tue 5/27

6:45 pm-7:05 am

2 stops46h 20m

Brisbane

Mon 6/2

10:00 am-9:35 am

2 stops37h 35m

$1,373

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sun 6/1

12:15 pm-3:55 pm

3 stops37h 40m

Cairns

Sun 6/8

7:00 pm-10:36 pm

3 stops41h 36m

$1,386

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Mon 5/12

9:35 pm-7:25 pm

2 stops31h 50m

Melbourne

Mon 6/2

9:20 pm-7:40 pm

2 stops36h 20m

$1,412

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Mon 6/23

10:40 am-11:30 am

3 stops34h 50m

Brisbane

Tue 9/9

8:45 pm-10:39 pm

3 stops39h 54m

$1,430

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 59 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 $1,044). Flying from Boston to Australia in December is currently the most expensive (average of $1,643). 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 March 28, 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 March 28, 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
61 reviews

Crew

9.1

Boarding

8.7

Food

7.8

Entertainment

7.2

Comfort

8.0

Overall

8.7

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
61 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Boarding

8.7

Food

7.8

Entertainment

7.2

Comfort

8.0

Overall

8.7

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
1,050 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Boarding

8.7

Food

7.8

Entertainment

7.2

Comfort

8.0

Overall

8.7

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
1,440 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Boarding

8.7

Food

7.8

Entertainment

7.2

Comfort

8.0

Overall

8.7

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.
Singapore Airlines
8.1
Very good
1,285 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Boarding

8.7

Food

7.8

Entertainment

7.2

Comfort

8.0

Overall

8.7

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
8.0
Very good
182 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Boarding

8.7

Food

7.8

Entertainment

7.2

Comfort

8.0

Overall

8.7

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 $622. Users have also found prices from $693 and $791 on Qatar 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 - Melbourne Avalon.

  • 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 $1,044). Flying from Boston to Australia in December is currently the most expensive (average of $1,643). 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$247Average$1,453FlexibilityNo cancel feeOn-time62%
Air CanadaCheapest$737Average$1,342FlexibilityNo cancel feeOn-time67%
Fiji AirwaysCheapest$740Average$1,242FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$824Average$1,716FlexibilityNo cancel feeOn-time69%
DeltaCheapest$872Average$1,320FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$934Average$1,613FlexibilityNo cancel feeOn-time71%
Cathay PacificCheapest$1,152Average$1,570FlexibilityNo cancel feeOn-time72%
Qantas AirwaysCheapest$1,213Average$1,838FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,295Average$1,751FlexibilityNo cancel feeOn-time68%
Air New ZealandCheapest$1,362Average$1,612FlexibilityNo cancel feeOn-time78%
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