How long is the flight from Boston to Australia?

There are many flights that can get you from Boston to Australia in 25h 54m. Fly via United Airlines, Delta, or Qantas Airways to get the fastest option. The distance from Boston to Australia is about 15706 km. Both multi-stop and direct flights can be found to your destination and back.

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

The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $606. However, be on the lookout for offers from Qantas Airways and American Airlines, as they are both options that can get you from Boston to Australia for a low price.

In terms of precipitation, rainfall in Australia ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Australia when rainfall is around 50.0 mm.

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 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

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.

What are the most popular airlines that fly from Boston to Australia?

The most popular airlines flying from Boston to Australia are Qantas Airways, Air Canada and United Airlines. Something to consider prior to booking your flight.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boston to Australia as you normally would.

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

Located just 4.2 km from the city centre, Boston Logan Intl (BOS) is the airport most travellers will use when flying to Australia from Boston.

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 holiday 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.

$776+ Cheap Flights from Boston to Australia

Cheap flight deals from Boston to Australia

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 30 October 2026.

Tue 1/1205:30 -

2 stops36h 15m

Sun 13/1210:45 -

2 stops38h 32m

Deal found 26/10$1,708

Thu 29/1010:30 -

2 stops30h 00m

Wed 11/1111:20 -

2 stops22h 54m

Deal found 27/10$1,709

Mon 9/1110:55 -

1 stop30h 35m

Fri 4/1210:40 -

1 stop25h 46m

Deal found 30/10$1,723

Tue 1/1213:50 -

1 stop26h 40m

Sun 13/1211:20 -

1 stop22h 55m

Deal found 29/10$1,728

Mon 9/1118:01 -

1 stop22h 29m

Thu 3/1211:20 -

1 stop20h 35m

Deal found 30/10$1,729

Sun 8/1121:20 -

2 stops44h 10m

Sun 6/1210:40 -

2 stops28h 18m

Deal found 30/10$1,730

Tue 10/1120:25 -

2 stops44h 05m

Thu 3/1211:20 -

2 stops27h 39m

Deal found 30/10$1,735

Sun 8/1120:38 -

1 stop44h 52m

Fri 4/1210:40 -

1 stop25h 46m

Deal found 30/10$1,740

Sun 8/1107:31 -

2 stops56h 59m

Thu 3/1211:20 -

2 stops27h 39m

Deal found 30/10$1,759

Mon 9/1116:15 -

1 stop23h 45m

Tue 24/1110:10 -

1 stop29h 49m

Deal found 28/10$1,759

Thu 5/1113:32 -

2 stops26h 58m

Mon 7/1206:05 -

2 stops28h 10m

Deal found 30/10$1,760

Mon 16/1113:51 -

1 stop26h 39m

Thu 14/107:05 -

2 stops24h 46m

Deal found 30/10$1,762

Best flights from Boston to Australia
Discover carefully curated flight deals from Boston to Australia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Tue 1/1214:36 -

2 stops25h 54m

Sun 13/1211:20 -

2 stops27h 39m

Deal found 29/10$1,728

Sat 16/119:30 -

2 stops70h 00m

Wed 3/210:40 -

2 stops25h 11m

Deal found 29/10$1,755

Sun 14/321:40 -

2 stops33h 40m

Mon 12/418:15 -

2 stops35h 00m

Deal found 27/10$2,223

Sat 6/214:21 -

2 stops31h 34m

Wed 10/217:50 -

2 stops41h 44m

Deal found 25/10$2,230

Tue 9/313:45 -

2 stops28h 50m

Wed 24/309:55 -

3 stops29h 49m

Deal found 29/10$2,286

Mon 4/120:00 -

2 stops32h 45m

Fri 15/122:35 -

2 stops35h 30m

Deal found 28/10$2,488

Mon 16/1122:10 -

1 stop30h 20m

Wed 2/1210:30 -

2 stops40h 25m

Deal found 26/10$2,824

Fri 26/212:25 -

3 stops37h 20m

Mon 1/301:20 -

2 stops33h 24m

Deal found 29/10$2,965

Sat 6/200:30 -

1 stop42h 30m

Thu 11/210:10 -

2 stops51h 20m

Deal found 29/10$2,982

Sat 27/213:45 -

1 stop26h 45m

Sun 4/410:30 -

1 stop20h 37m

Deal found 28/10$1,728

Mon 30/1109:00 -

1 stop31h 30m

Tue 8/1211:20 -

2 stops27h 39m

Deal found 26/10$1,728

Sun 15/1110:55 -

1 stop29h 35m

Thu 3/1210:40 -

1 stop26h 46m

Deal found 26/10$1,972

Mon 16/1113:51 -

1 stop26h 39m

Thu 14/107:55 -

3 stops31h 04m

Deal found 30/10$1,760

Sun 21/217:59 -

3 stops44h 56m

Sun 7/316:20 -

3 stops40h 22m

Deal found 28/10$4,506

Wed 20/109:00 -

2 stops31h 30m

Sun 31/110:40 -

2 stops29h 09m

Deal found 29/10$2,064

Tue 26/109:09 -

3 stops33h 46m

Tue 16/208:15 -

2 stops31h 11m

Deal found 28/10$2,378

Fri 26/214:20 -

2 stops31h 50m

Tue 2/323:10 -

2 stops32h 39m

Deal found 25/10$2,422

Mon 8/220:40 -

2 stops45h 15m

Fri 12/217:50 -

2 stops60h 25m

Deal found 26/10$2,471

Mon 16/1105:30 -

2 stops35h 35m

Wed 2/1211:50 -

2 stops28h 09m

Deal found 26/10$1,986

Fri 26/213:45 -

2 stops27h 10m

Sun 14/310:20 -

3 stops37h 56m

Deal found 25/10$2,456

Fri 26/217:12 -

2 stops36h 33m

Tue 2/322:45 -

2 stops33h 44m

Deal found 29/10$2,620

Sun 7/214:21 -

2 stops39h 29m

Thu 11/206:25 -

2 stops27h 56m

Deal found 29/10$2,660

Fri 13/1118:01 -

2 stops49h 24m

Wed 25/1107:15 -

3 stops32h 14m

Deal found 25/10$2,017

Thu 25/212:55 -

1 stop27h 05m

Fri 19/309:10 -

1 stop25h 26m

Deal found 27/10$2,483

Wed 17/311:24 -

3 stops30h 31m

Wed 14/408:35 -

2 stops28h 45m

Deal found 28/10$2,591

Tue 26/114:25 -

2 stops26h 40m

Fri 5/313:20 -

1 stop22h 07m

Deal found 27/10$2,044

Tue 1/1218:01 -

1 stop24h 29m

Wed 9/1212:45 -

2 stops27h 14m

Deal found 26/10$2,057

Mon 25/113:24 -

2 stops24h 56m

Thu 4/311:20 -

2 stops23h 39m

Deal found 29/10$2,064

Tue 22/1207:00 -

1 stop34h 00m

Mon 28/1211:10 -

1 stop24h 53m

Deal found 27/10$3,391

Thu 31/1211:44 -

3 stops28h 51m

Fri 15/114:05 -

3 stops36h 33m

Deal found 28/10$3,153

Find flight deals from Boston to Australia

Round-trip from	$1,595
One-way from	$776
Popular in	December
Cheapest in	May
Average price	$2,000

Qantas Airways
9/2-23/8
3 total stops
48h 28m total
Boston to Australia

Search Deals

28/3-31/12
2 total stops
36h 15m total
Boston to Australia

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($328 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($82 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BostonSydney

BOS Boston Logan Intl - SYD Sydney Kingsford Smith

BOSSYD

Boston Logan Intl

Sun 28/3

06:30-09:45

2 stops36h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$776

BostonBrisbane

BOS Boston Logan Intl - BNE Brisbane

BOSBNE

Boston Logan Intl

Fri 4/12

10:40-08:30

2 stops30h 50m

Brisbane

Wed 31/12

00:00-09:00

Nonstop0h 00m

$891

BostonBrisbane

BOS Boston Logan Intl - BNE Brisbane

BOSBNE

Boston Logan Intl

Mon 9/11

09:05-08:30

2 stops32h 25m

Brisbane

Wed 31/12

00:00-09:00

Nonstop0h 00m

$891

BostonBrisbane

BOS Boston Logan Intl - BNE Brisbane

BOSBNE

Boston Logan Intl

Mon 9/11

05:30-07:30

3 stops35h 00m

Brisbane

Wed 31/12

00:00-09:00

Nonstop0h 00m

$894

BostonBrisbane

BOS Boston Logan Intl - BNE Brisbane

BOSBNE

Boston Logan Intl

Thu 3/12

08:27-07:30

3 stops32h 03m

Brisbane

Wed 31/12

00:00-09:00

Nonstop0h 00m

$894

BostonPerth

BOS Boston Logan Intl - PER Perth

BOSPER

Boston Logan Intl

Wed 24/2

19:46-07:20

2 stops46h 34m

Perth

Wed 31/12

00:00-11:00

Nonstop0h 00m

$943

BostonSydney

BOS Boston Logan Intl - SYD Sydney Kingsford Smith

BOSSYD

Boston Logan Intl

Sun 15/11

08:25-09:05

1 stop32h 40m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$997

BostonSydney

BOS Boston Logan Intl - SYD Sydney Kingsford Smith

BOSSYD

Boston Logan Intl

Mon 25/1

13:16-08:30

2 stops27h 14m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,048

BostonSydney

BOS Boston Logan Intl - SYD Sydney Kingsford Smith

BOSSYD

Boston Logan Intl

Wed 20/1

13:48-09:20

1 stop27h 32m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,048

BostonSydney

BOS Boston Logan Intl - SYD Sydney Kingsford Smith

BOSSYD

Boston Logan Intl

Tue 19/1

09:15-06:20

1 stop29h 05m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,048

Flights are sorted by cheapest return flights first.

Deals found on 28/10

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

BOS-BNE

BOS-MEL

BOS-HBA

BOS-SYD

BOS-PER

Estimated return 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

BOS-AU0

BOS-BNE

BOS-MEL

BOS-HBA

BOS-SYD

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 $1,728). Flying from Boston to Australia in December is currently the most expensive (average of $2,750). 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 far ahead should I book a flight from Boston to Australia?

The best time to book flights from Boston to Australia is 1 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Australia

See what other customers who have flown with Qantas Airways,United Airlines, andAir Canada from Boston to Australia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Qantas Airways

7.5

Good

1,121 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Jodie,Oct 2026

SYD - GFF

Pretty good but it was delayed by almost an hour

Qantas Airways

7.5

Good

1,121 reviews

Qantas Airways

7.5

Good

1,121 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Jodie,Oct 2026

SYD - GFF

Pretty good but it was delayed by almost an hour

United Airlines

7.3

Good

10,451 reviews

Qantas Airways

7.5

Good

1,121 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Jodie,Oct 2026

SYD - GFF

Pretty good but it was delayed by almost an hour

Air Canada

7.1

Good

11,833 reviews

Qantas Airways

7.5

Good

1,121 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Jodie,Oct 2026

SYD - GFF

Pretty good but it was delayed by almost an hour

Related info for your journey

What airport do you fly from for flights from Boston to Australia?
Located just 4.2 km from the city centre, Boston Logan Intl (BOS) is the airport most travellers will use when flying to Australia from Boston.
How long is the flight from Boston to Australia?
There are many flights that can get you from Boston to Australia in 25h 54m. Fly via United Airlines, Delta, or Qantas Airways to get the fastest option. The distance from Boston to Australia is about 15706 km. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from Boston to Australia one-way?
The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $606. However, be on the lookout for offers from Qantas Airways and American Airlines, as they are both options that can get you from Boston to Australia for a low price.
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 holiday 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 $1,728). Flying from Boston to Australia in December is currently the most expensive (average of $2,750). 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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Hartford to Brisbane flights

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Boston to Adelaide flights

Top 3 airlines flying from Boston to Australia

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$1,280	Average$1,560	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Qantas Airways	Cheapest$1,622	Average$2,130	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights
United Airlines	Cheapest$1,755	Average$1,932	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

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How does Cheapflights help users find flights from Boston to Australia?

When you search for this flight from Boston to Australia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Boston to Australia?

Cheapflights simply makes it quick and affordable to book flights from Boston to Australia by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Boston to Australia with no change fees?

Yes! Cheapflights helps users easily find flights from Boston to Australia with no change fees.

Can Cheapflights notify me if prices for flights from Boston to Australia become cheaper?

Yes! Start tracking prices for Boston to Australia flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Boston to Australia from $776

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Boston to Australia

Cheapest flights from Boston to AustraliaExplore 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 30 October 2026.

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 30 October 2026.

Best flights from Boston to AustraliaDiscover carefully curated flight deals from Boston to Australia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Discover carefully curated flight deals from Boston to Australia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Last-minute flights from Boston to AustraliaDiscover last-minute flight deals from Boston to Australia. Data last updated 30 October 2026 and is based on user searches.

Discover last-minute flight deals from Boston to Australia. Data last updated 30 October 2026 and is based on user searches.

One-way flights from Boston to AustraliaSearch for one-way flight options from Boston to Australia. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

Search for one-way flight options from Boston to Australia. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

Find flight deals from Boston to Australia

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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.

Cheapflights Insights

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

How far ahead should I book a flight from Boston to Australia?

The best time to book flights from Boston to Australia is 1 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Australia

See what other customers who have flown with Qantas Airways,United Airlines, andAir Canada from Boston to Australia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How long is the flight from Boston to Australia?

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

What are the most popular routes from Boston to Australia?

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

How can I find direct flights from Boston to Australia?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boston to Australia

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Australia by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Boston to Australia by cabin class

Find flights from Boston to Australia, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Boston and Australia flights

Browse other Boston and Australia flight options. Last updated on 30 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly to Australia regions

Consider these flights travelling to Australia regions.

Top 3 airlines flying from Boston to Australia

Fly with Cheapflights

How does Cheapflights help users find flights from Boston to Australia?

Why should you use Cheapflights to find cheap flight tickets from Boston to Australia?

Can Cheapflights find flights from Boston to Australia with no change fees?

Can Cheapflights notify me if prices for flights from Boston to Australia become cheaper?

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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 30 October 2026.

Best flights from Boston to Australia
Discover carefully curated flight deals from Boston to Australia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Last-minute flights from Boston to Australia
Discover last-minute flight deals from Boston to Australia. Data last updated 30 October 2026 and is based on user searches.

One-way flights from Boston to Australia
Search for one-way flight options from Boston to Australia. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.