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Cheap flights from Boston to Perth from $1,014

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 15/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PER
23 Jul — 30 Jul1
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 23 June 2026.

Tue 4/817:33
BOS
-
PER
2 stops32h 02m
American Airlines
Tue 11/823:55
PER
-
BOS
2 stops31h 47m
American Airlines
Deal found 20/6$2,154
Mon 17/816:59
BOS
-
PER
2 stops30h 16m
American Airlines
Mon 28/923:45
PER
-
BOS
2 stops35h 43m
American Airlines
Deal found 19/6$2,204
Sun 1/1120:40
BOS
-
PER
1 stop33h 05m
Qatar Airways
Thu 12/1122:45
PER
-
BOS
1 stop28h 10m
Qatar Airways
Deal found 19/6$2,232
Mon 17/814:00
BOS
-
PER
2 stops36h 05m
United Airlines
Mon 28/923:45
PER
-
BOS
2 stops33h 17m
United Airlines
Deal found 21/6$2,250
Tue 4/809:07
BOS
-
PER
2 stops41h 33m
United Airlines
Tue 11/815:30
PER
-
BOS
3 stops44h 29m
United Airlines
Deal found 21/6$2,260
Mon 17/823:05
BOS
-
PER
1 stop30h 30m
Emirates
Mon 28/922:20
PER
-
BOS
1 stop27h 50m
Emirates
Deal found 22/6$2,286
Sun 1/1122:10
BOS
-
PER
1 stop30h 10m
Emirates
Thu 12/1122:20
PER
-
BOS
1 stop28h 35m
Emirates
Deal found 22/6$2,323

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 23 June 2026.

Round-trip from

$2,130

One-way from

$1,014

Popular in

December

Cheapest in

February

Average price

$2,449
Qatar Airways
  • Qatar Airways
  • 1/11-12/11
  • 3 total stops
  • 71h 45m total
  • Boston to Perth
Search Deals
15/8
  • 15/8
  • 3 total stops
  • 39h 25m total
  • Boston to Perth
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($381 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($115 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 23 June 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 - PER

BOSPER

Boston Logan Intl

Sun 1/11

20:40-18:45

1 stop33h 05m

Perth

Thu 12/11

22:45-13:55

1 stop28h 10m

$2,232

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Sun 1/11

22:10-17:20

1 stop30h 10m

Perth

Thu 12/11

22:20-13:55

1 stop28h 35m

$2,286
Fastest return journey

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Mon 17/8

23:05-17:35

1 stop30h 30m

Perth

Mon 28/9

22:20-14:10

1 stop27h 50m

$2,324

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Sat 8/8

06:00-12:30

2 stops42h 30m

Perth

Sat 15/8

17:15-19:10

2 stops37h 55m

$2,364
Cheapest one-way

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Sat 15/8

16:25-19:50

3 stops39h 25m

$1,014

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Tue 1/9

12:55-08:55

2 stops32h 00m

$1,037
Fastest single journey

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Mon 29/6

16:29-11:15

2 stops30h 46m

$1,099

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Wed 26/8

01:45-08:55

2 stops43h 10m

$1,141

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Mon 29/6

05:45-12:30

3 stops42h 45m

$1,181

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Fri 28/8

01:45-08:55

2 stops43h 10m

$1,254

Flights are sorted by cheapest return flights first.

Deals found on 22/6

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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 $2,176). Flying from Boston to Perth in December is currently the most expensive (average of $3,412). 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?

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 and American Airlines fly from Boston to Perth in about 32h 02m. The time it takes to get you to your destination can typically vary by up to 1h 03m. There are 18689 km between Boston and Perth. Both multi-stop and direct flights can be found to your destination and back.

  • 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 $2,176). Flying from Boston to Perth in December is currently the most expensive (average of $3,412). 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
Scarborough
Rottnest Island
Mandurah

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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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