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$509+ 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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SYD
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$951
(Trip.com)

One-way from

$509
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$1,266
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 ($219 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 17, 2025.

This Trip.com deal was found by Cheapflights users on 4/17. 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 5/1512:59 pmBOS - MEL
2 stops32h 31mMultiple Airlines
Thu 5/2212:55 pmMEL - BOS
2 stops35h 57mMultiple Airlines
Deal found 4/17$951
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 6/58:00 amBOS - SYD
1 stop40h 40mMultiple Airlines
Wed 6/184:20 pmSYD - BOS
1 stop27h 40mMultiple Airlines
Deal found 4/17$1,091
This StudentUniverse deal was found by Cheapflights users on 4/17. 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.
Sat 11/16:19 pmBOS - SYD
2 stops27h 11mFiji Airways
Sat 11/152:30 pmSYD - BOS
2 stops24h 36mFiji Airways
Deal found 4/17$1,210
This StudentUniverse deal was found by Cheapflights users on 4/17. 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.
Mon 9/87:00 amBOS - SYD
2 stops35h 45mAir New Zealand
Mon 9/2211:50 amSYD - BOS
2 stops32h 11mAir New Zealand
Deal found 4/17$1,228
This Air Canada deal was found by Cheapflights users on 4/16. 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 12/510:20 amBOS - SYD
2 stops31h 15mAir Canada
Fri 12/1911:20 amSYD - BOS
2 stops24h 58mAir Canada
Deal found 4/16$1,242
This Air Canada deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2112:15 pmBOS - AVV
3 stops34h 55mMultiple Airlines
Tue 11/186:00 amAVV - BOS
3 stops32h 37mMultiple Airlines
Deal found 4/16$1,278
This Justfly.com deal was found by Cheapflights users on 4/16. 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.
Thu 9/187:00 pmBOS - MEL
3 stops50h 05mAir Canada
Tue 9/308:30 pmMEL - BOS
3 stops40h 09mAir Canada
Deal found 4/16$1,302
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/251:30 pmBOS - BNE
1 stop27h 00mUnited Airlines
Tue 12/1611:40 amBNE - BOS
1 stop20h 33mUnited Airlines
Deal found 4/16$1,311
This StudentUniverse deal was found by Cheapflights users on 4/17. 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.
Sun 9/71:40 amBOS - SYD
1 stop28h 30mCathay Pacific
Mon 9/227:40 amSYD - BOS
1 stop29h 20mCathay Pacific
Deal found 4/17$1,319
This KAYAK deal was found by Cheapflights users on 4/16. 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.
Tue 7/11:35 pmBOS - MEL
2 stops31h 15mAir New Zealand
Sun 8/3112:05 pmMEL - BOS
2 stops31h 56mAir New Zealand
Deal found 4/16$1,355
This oojo deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/49:35 pmBOS - MEL
2 stops31h 50mTurkish Airlines
Wed 9/179:20 pmMEL - BOS
2 stops36h 20mTurkish Airlines
Deal found 4/17$1,367
This oojo deal was found by Cheapflights users on 4/17. 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 10/2010:00 pmBOS - SYD
1 stop29h 10mQatar Airways
Mon 10/279:40 pmSYD - BOS
1 stop32h 15mQatar Airways
Deal found 4/17$1,368

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 April 17, 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

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Thu 5/15

12:59 pm-11:30 am

2 stops32h 31m

Melbourne

Thu 5/22

12:55 pm-10:52 am

2 stops35h 57m

$951

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Thu 6/5

8:00 am-2:40 pm

1 stop40h 40m

Sydney Kingsford Smith

Wed 6/18

4:20 pm-6:00 am

1 stop27h 40m

$1,091

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Wed 5/21

10:20 am-7:20 am

2 stops31h 00m

Sydney Kingsford Smith

Fri 5/30

9:20 am-9:35 am

2 stops38h 15m

$1,242

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Thu 9/18

7:00 pm-11:05 am

3 stops50h 05m

Melbourne

Tue 9/30

8:30 pm-10:39 pm

3 stops40h 09m

$1,302

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Tue 7/1

1:35 pm-10:50 am

2 stops31h 15m

Melbourne

Sun 8/31

12:05 pm-6:01 am

2 stops31h 56m

$1,355

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Tue 6/17

6:17 pm-11:45 am

2 stops27h 28m

Sydney Kingsford Smith

Tue 6/24

1:15 pm-11:49 pm

2 stops24h 34m

$1,367

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Thu 9/4

9:35 pm-7:25 pm

2 stops31h 50m

Melbourne

Wed 9/17

9:20 pm-7:40 pm

2 stops36h 20m

$1,367

BostonMelbourne

BOS - AVV

BOSAVV

Boston Logan Intl

Thu 9/4

12:15 pm-2:10 pm

3 stops35h 55m

Melbourne Avalon

Wed 9/17

8:55 pm-10:39 pm

3 stops39h 44m

$1,392

BostonMelbourne

BOS - MEL

BOSMEL

Boston Logan Intl

Wed 9/17

1:40 am-10:15 pm

1 stop30h 35m

Melbourne

Tue 9/30

7:25 am-11:00 pm

1 stop29h 35m

$1,393

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Fri 5/16

9:35 pm-7:00 pm

2 stops31h 25m

Sydney Kingsford Smith

Fri 5/23

8:55 pm-7:40 pm

2 stops36h 45m

$1,406

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 60 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, February is the cheapest month in which you can book a flight from Boston to Australia (average of $1,046). 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 April 17, 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 April 17, 2025.
Get a feel of what it's like to fly with Japan Airlines, Singapore Airlines and Fiji Airways 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.
Japan Airlines
8.3
Very good
1,443 reviews

Entertainment

7.8

Comfort

8.2

Crew

8.7

Overall

8.3

Food

7.7

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Japan Airlines
8.3
Very good
1,443 reviews
Japan Airlines
8.3
Very good
1,443 reviews

Entertainment

7.8

Comfort

8.2

Crew

8.7

Overall

8.3

Food

7.7

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Singapore Airlines
8.1
Very good
1,288 reviews
Japan Airlines
8.3
Very good
1,443 reviews

Entertainment

7.8

Comfort

8.2

Crew

8.7

Overall

8.3

Food

7.7

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Fiji Airways
8.0
Very good
185 reviews
Japan Airlines
8.3
Very good
1,443 reviews

Entertainment

7.8

Comfort

8.2

Crew

8.7

Overall

8.3

Food

7.7

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Emirates
8.0
Very good
3,200 reviews
Japan Airlines
8.3
Very good
1,443 reviews

Entertainment

7.8

Comfort

8.2

Crew

8.7

Overall

8.3

Food

7.7

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Delta
8.0
Very good
7,916 reviews
Japan Airlines
8.3
Very good
1,443 reviews

Entertainment

7.8

Comfort

8.2

Crew

8.7

Overall

8.3

Food

7.7

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

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 Fiji Airways. According to our data, you can fly for as low as $746. Users have also found prices from $759 and $798 on Qatar Airways and Alaska Airlines, 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, February is the cheapest month in which you can book a flight from Boston to Australia (average of $1,046). 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

Browse thousands of different options on Cheapflights for your next 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.
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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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$247Average$1,474FlexibilityNo cancel feeOn-time62%
Air CanadaCheapest$737Average$1,333FlexibilityNo cancel feeOn-time67%
Fiji AirwaysCheapest$740Average$1,362FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$824Average$1,737FlexibilityNo cancel feeOn-time69%
DeltaCheapest$872Average$1,318FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$931Average$1,597FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$1,219Average$1,815FlexibilityNo cancel feeOn-time74%
Cathay PacificCheapest$1,251Average$1,631FlexibilityNo cancel feeOn-time72%
Qatar AirwaysCheapest$1,272Average$1,693FlexibilityNo cancel feeOn-time68%
Air New ZealandCheapest$1,294Average$1,664FlexibilityNo cancel feeOn-time78%

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