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$471+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SYD
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 July 29, 2025.

Round-trip from

$937
(Air Canada)

One-way from

$471
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$1,462
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 ($202 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 29, 2025.

This Air Canada deal was found by Cheapflights users on 7/29. 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 11/1910:15 amBOS - BNE
2 stops31h 30mAir Canada
Sun 11/3010:45 amBNE - BOS
2 stops26h 52mAir Canada
Deal found 7/29$937
This Air Canada deal was found by Cheapflights users on 7/28. 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.
Sat 11/2910:45 amBOS - MEL
3 stops34h 50mAir Canada
Tue 2/38:00 amMEL - BOS
3 stops41h 52mAir Canada
Deal found 7/28$952
This Air Canada deal was found by Cheapflights users on 7/29. 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 9/910:20 amBOS - BNE
2 stops30h 45mMultiple Airlines
Wed 9/246:00 amBNE - BOS
3 stops30h 39mMultiple Airlines
Deal found 7/29$1,039
This Trip.com deal was found by Cheapflights users on 7/27. 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.
Wed 9/1012:55 pmBOS - PER
2 stops43h 45mMultiple Airlines
Wed 9/179:55 pmPER - BOS
2 stops48h 15mMultiple Airlines
Deal found 7/27$1,153
This FlightHub deal was found by Cheapflights users on 7/29. 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 11/2210:15 amBOS - SYD
2 stops31h 20mAir Canada
Mon 12/111:20 amSYD - BOS
2 stops38h 12mAir Canada
Deal found 7/29$1,159
This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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.
Tue 11/1112:25 pmBOS - SYD
2 stops39h 50mANA
Tue 12/29:45 pmSYD - BOS
2 stops37h 03mANA
Deal found 7/29$1,160
This Gurufare deal was found by Cheapflights users on 7/29. 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.
Tue 9/96:00 pmBOS - SYD
1 stop23h 05mQantas Airways
Sat 9/209:10 amSYD - BOS
1 stop35h 37mQantas Airways
Deal found 7/29$1,161
This Travelocity deal was found by Cheapflights users on 7/29. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/98:00 amBOS - SYD
1 stop33h 05mMultiple Airlines
Sat 9/209:20 amSYD - BOS
2 stops38h 10mMultiple Airlines
Deal found 7/29$1,164
This Delta deal was found by Cheapflights users on 7/28. 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.
Mon 9/17:10 amBOS - SYD
2 stops33h 25mDelta
Mon 9/159:25 amSYD - BOS
1 stop23h 57mDelta
Deal found 7/28$1,173
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Fri 9/128:15 amBOS - SYD
1 stop32h 40mUnited Airlines
Sun 9/219:30 amSYD - BOS
2 stops34h 29mUnited Airlines
Deal found 7/28$1,182
This Air Canada deal was found by Cheapflights users on 7/28. 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.
Sat 10/1810:40 amBOS - CNS
3 stops37h 35mMultiple Airlines
Sat 10/254:35 pmCNS - BOS
3 stops44h 02mMultiple Airlines
Deal found 7/28$1,184
This oojo deal was found by Cheapflights users on 7/28. 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.
Fri 10/2412:00 pmBOS - MEL
1 stop27h 45mQantas Airways
Sat 11/81:55 pmMEL - BOS
2 stops40h 56mQantas Airways
Deal found 7/28$1,221

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 July 29, 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

10:15 am-8:45 am

2 stops31h 30m

Brisbane

Sun 11/30

10:45 am-10:37 pm

2 stops26h 52m

$937

BostonBrisbane

BOS - BNE

BOSBNE

Boston Logan Intl

Tue 9/9

10:20 am-7:05 am

2 stops30h 45m

Brisbane

Wed 9/24

6:00 am-10:39 pm

3 stops30h 39m

$1,039

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Wed 9/10

12:55 pm-8:40 pm

2 stops43h 45m

Perth

Wed 9/17

9:55 pm-10:10 am

2 stops48h 15m

$1,153

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Tue 9/9

6:00 pm-7:05 am

1 stop23h 05m

Sydney Kingsford Smith

Sat 9/20

9:10 am-6:47 am

1 stop35h 37m

$1,161

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Tue 9/9

8:00 am-7:05 am

1 stop33h 05m

Sydney Kingsford Smith

Sat 9/20

9:20 am-9:30 am

2 stops38h 10m

$1,164

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Wed 9/17

6:30 pm-7:20 am

2 stops46h 50m

Sydney Kingsford Smith

Mon 9/22

9:20 am-9:30 am

2 stops38h 10m

$1,168

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Mon 10/20

8:00 am-8:15 pm

2 stops45h 15m

Sydney Kingsford Smith

Sun 11/2

12:25 pm-1:44 pm

2 stops40h 19m

$1,169

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Mon 9/1

7:10 am-6:35 am

2 stops33h 25m

Sydney Kingsford Smith

Mon 9/15

9:25 am-7:22 pm

1 stop23h 57m

$1,173

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Fri 9/12

8:15 am-6:55 am

1 stop32h 40m

Sydney Kingsford Smith

Sun 9/21

9:30 am-5:59 am

2 stops34h 29m

$1,182

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sat 10/18

10:40 am-2:15 pm

3 stops37h 35m

Cairns

Sat 10/25

4:35 pm-10:37 pm

3 stops44h 02m

$1,184

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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 $1,028). Flying from Boston to Australia in December is currently the most expensive (average of $1,619). 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 July 29, 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.

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 July 29, 2025.
Read through reviews of airlines operating flights from Boston to Australia, such as ANA, Japan Airlines, and Emirates. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
922 reviews

Crew

8.7

Boarding

8.5

Entertainment

7.9

Comfort

8.2

Food

7.7

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
ANA
8.4
Very good
922 reviews
ANA
8.4
Very good
922 reviews

Crew

8.7

Boarding

8.5

Entertainment

7.9

Comfort

8.2

Food

7.7

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
Japan Airlines
8.3
Very good
1,535 reviews
ANA
8.4
Very good
922 reviews

Crew

8.7

Boarding

8.5

Entertainment

7.9

Comfort

8.2

Food

7.7

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
Emirates
8.1
Very good
3,295 reviews
ANA
8.4
Very good
922 reviews

Crew

8.7

Boarding

8.5

Entertainment

7.9

Comfort

8.2

Food

7.7

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
Fiji Airways
8.0
Very good
202 reviews
ANA
8.4
Very good
922 reviews

Crew

8.7

Boarding

8.5

Entertainment

7.9

Comfort

8.2

Food

7.7

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
Delta
8.0
Very good
7,977 reviews
ANA
8.4
Very good
922 reviews

Crew

8.7

Boarding

8.5

Entertainment

7.9

Comfort

8.2

Food

7.7

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

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 $586. Users have also found prices from $621 and $626 on Qantas Airways and United 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 - 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, February is the cheapest month in which you can book a flight from Boston to Australia (average of $1,028). Flying from Boston to Australia in December is currently the most expensive (average of $1,619). 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$251Average$911FlexibilityNo cancel feeOn-time62%
DeltaCheapest$461Average$1,280FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$735Average$1,299FlexibilityNo cancel feeOn-time67%
Fiji AirwaysCheapest$740Average$1,439FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$824Average$1,731FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$920Average$1,580FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$1,168Average$1,785FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,228Average$1,853FlexibilityNo cancel feeOn-time78%
Cathay PacificCheapest$1,251Average$1,671FlexibilityNo cancel feeOn-time72%
Qatar AirwaysCheapest$1,295Average$1,671FlexibilityNo cancel feeOn-time68%

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