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Cheap flights from Boston to Perth from $961

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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PER
5 Sep — 12 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Boston to Perth

Enter your travel dates to find the best prices.

Cheapest flights from Boston to Perth
Explore the most affordable flight options available from Boston to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 August 2026.

Sun 6/922:00 -
2 stops34h 25m
Tue 22/922:45 -
1 stop28h 30m
Deal found 2/8$1,890
Wed 18/1120:40 -
2 stops38h 15m
Tue 19/113:15 -
2 stops44h 05m
Deal found 2/8$2,042
Tue 24/1116:05 -
2 stops42h 50m
Tue 19/113:15 -
2 stops44h 05m
Deal found 6/8$2,070
Sun 20/922:00 -
2 stops34h 25m
Sun 27/922:45 -
1 stop28h 30m
Deal found 5/8$2,102
Sun 6/922:00 -
2 stops39h 55m
Tue 22/909:20 -
2 stops40h 30m
Deal found 4/8$2,116
Tue 1/920:05 -
2 stops55h 00m
Tue 15/909:20 -
2 stops44h 20m
Deal found 3/8$2,136
Sun 1/1121:50 -
2 stops44h 05m
Thu 12/1108:30 -
2 stops48h 50m
Deal found 4/8$2,209
Sun 1/1122:10 -
1 stop30h 10m
Thu 12/1122:20 -
1 stop28h 35m
Deal found 4/8$2,218
Tue 1/923:05 -
1 stop30h 30m
Tue 15/912:15 -
2 stops37h 55m
Deal found 3/8$2,225

Find flight deals from Boston to Perth

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Perth (PER). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 6 August 2026.

Round-trip from

$1,890

One-way from

$961

Popular in

December

Cheapest in

February

Average price

$2,594
Qatar Airways
  • Qatar Airways
  • 6/9-22/9
  • 3 total stops
  • 62h 55m total
  • Boston to Perth
Search Deals
1/11
  • 1/11
  • 3 total stops
  • 52h 40m total
  • Boston to Perth
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($383 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($114 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Boston to Perth 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 647,157 searches. Data last updated 6 August 2026.
Use the filters below to find and compare flights from Boston to Perth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BostonPerth

BOS Boston Logan Intl - PER Perth

BOSPER

Boston Logan Intl

Tue 2/2

22:10-17:20

1 stop30h 10m

Perth

Thu 11/2

10:30-13:55

2 stops40h 25m

$2,226

BostonPerth

BOS Boston Logan Intl - PER Perth

BOSPER

Boston Logan Intl

Mon 1/2

16:19-11:15

2 stops29h 56m

Perth

Sun 28/2

12:05-06:07

2 stops31h 02m

$2,290

BostonPerth

BOS Boston Logan Intl - PER Perth

BOSPER

Boston Logan Intl

Sun 20/9

22:00-20:25

2 stops34h 25m

Perth

Sun 27/9

22:45-20:37

2 stops33h 52m

$2,290
Fastest return journey

BostonPerth

BOS Boston Logan Intl - PER Perth

BOSPER

Boston Logan Intl

Wed 16/9

23:05-17:35

1 stop30h 30m

Perth

Wed 23/9

22:20-14:10

1 stop27h 50m

$2,307

BostonPerth

BOS Boston Logan Intl - PER Perth

BOSPER

Boston Logan Intl

Wed 19/8

18:35-11:40

2 stops29h 05m

Perth

Tue 25/8

15:30-17:20

2 stops37h 50m

$2,324

BostonPerth

BOS Boston Logan Intl - PER Perth

BOSPER

Boston Logan Intl

Mon 17/8

18:13-12:30

2 stops30h 17m

Perth

Mon 28/9

23:45-23:59

3 stops36h 14m

$2,324

BostonPerth

BOS Boston Logan Intl - PER Perth

BOSPER

Boston Logan Intl

Mon 17/8

16:15-12:30

2 stops32h 15m

Perth

Mon 24/8

15:30-17:07

2 stops37h 37m

$2,327

BostonPerth

BOS Boston Logan Intl - PER Perth

BOSPER

Boston Logan Intl

Mon 17/8

22:00-18:35

1 stop32h 35m

Perth

Mon 28/9

22:45-23:28

2 stops36h 43m

$2,387

BostonPerth

BOS Boston Logan Intl - PER Perth

BOSPER

Boston Logan Intl

Sun 16/8

09:20-14:05

2 stops40h 45m

Perth

Wed 26/8

15:30-17:07

2 stops37h 37m

$2,395

BostonPerth

BOS Boston Logan Intl - PER Perth

BOSPER

Boston Logan Intl

Mon 17/8

18:35-12:30

2 stops29h 55m

Perth

Fri 28/8

23:45-21:02

2 stops33h 17m

$2,395

Flights are sorted by cheapest return flights first.

Deals found on 3/8

Showing 1-10 of 15 resultsSorted by cheapest first
1
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Best time to book a flight from Boston to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth from Boston with our price prediction graph.
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 Perth

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

Currently, February is the cheapest month in which you can book a flight from Boston to Perth (average of $2,158). Flying from Boston to Perth in December is currently the most expensive (average of $3,389). 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 much does it cost for a return flight from Boston to Perth?

Airfare is below average for this route at the moment.

Boston to Perth flights typically cost between $2,374 and $2,594 in September.
The cheapest return price found within the last 5 days was $1,890 on Qatar Airways (6 Sept–22 Sept).

Related info for your journey

Find useful and relevant information for your journey from Boston to Perth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Boston to Perth?

    Airlines like Qatar Airways fly from Boston to Perth in about 34h 25m. The time it takes to get you to your destination can typically vary by up to . There are 18689 km between Boston and Perth.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston to Perth 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 Perth?

    Currently, February is the cheapest month in which you can book a flight from Boston to Perth (average of $2,158). Flying from Boston to Perth in December is currently the most expensive (average of $3,389). 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

Travelling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Fremantle
Mandurah
Rottnest Island
Scarborough

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Boston to Perth. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights simply makes it quick and affordable to book flights from Boston to Perth 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 Perth with no change fees?

Yes, we can. To see specific flights from Boston to Perth with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Not ready to book yet? You can track prices for flights from Boston to Perth on Cheapflights with our Price Alert feature and get notified when better prices are available.

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