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Cheap flights from Boston to Perth from $1,099

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 14/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PER
21 Feb — 28 Feb1
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 22 January 2026.

Tue 17/212:15
BOS
-
PER
2 stops51h 00m
Multiple Airlines
Tue 24/205:35
PER
-
BOS
2 stops49h 00m
Multiple Airlines
Deal found 20/1$1,901
Sun 8/321:40
BOS
-
PER
1 stop33h 05m
Qatar Airways
Sun 15/323:45
PER
-
BOS
2 stops51h 10m
Qatar Airways
Deal found 22/1$1,989
Sat 7/320:40
BOS
-
PER
2 stops30h 50m
Multiple Airlines
Sat 14/305:35
PER
-
BOS
2 stops45h 20m
Multiple Airlines
Deal found 20/1$2,036
Thu 17/918:32
BOS
-
PER
2 stops41h 23m
Multiple Airlines
Mon 19/1016:55
PER
-
BOS
2 stops43h 10m
Multiple Airlines
Deal found 21/1$2,038
Fri 17/422:00
BOS
-
PER
1 stop32h 35m
Qatar Airways
Sun 26/423:45
PER
-
BOS
2 stops51h 20m
Qatar Airways
Deal found 20/1$2,100
Fri 13/321:40
BOS
-
PER
1 stop26h 15m
Qatar Airways
Fri 20/323:45
PER
-
BOS
2 stops51h 10m
Qatar Airways
Deal found 21/1$2,106
Sat 31/109:45
BOS
-
PER
2 stops35h 25m
Qantas Airways
Fri 6/222:45
PER
-
BOS
2 stops32h 11m
Qantas Airways
Deal found 20/1$2,119
Fri 27/310:48
BOS
-
PER
2 stops36h 27m
Qantas Airways
Tue 7/423:45
PER
-
BOS
2 stops36h 14m
Qantas Airways
Deal found 21/1$2,155
Mon 27/414:55
BOS
-
PER
3 stops35h 45m
Singapore Airlines
Mon 8/616:55
PER
-
BOS
2 stops41h 56m
Singapore Airlines
Deal found 20/1$2,156
Fri 30/116:19
BOS
-
PER
2 stops50h 26m
Qantas Airways
Tue 10/222:45
PER
-
BOS
2 stops32h 11m
Qantas Airways
Deal found 22/1$2,168
Sun 8/316:40
BOS
-
PER
3 stops35h 50m
Multiple Airlines
Sun 15/320:40
PER
-
BOS
2 stops34h 25m
Multiple Airlines
Deal found 22/1$2,177

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 22 January 2026.

Round-trip from

$1,901

One-way from

$1,099

Popular in

December

Cheapest in

November

Average price

$2,590
17/2-24/2
  • 17/2-24/2
  • 4 total stops
  • 100h 00m total
  • Boston to Perth
Search Deals
14/6
  • 14/6
  • 3 total stops
  • 40h 10m total
  • Boston to Perth
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($406 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($198 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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 22 January 2026.
Use the filters below to find and compare flights from Boston to Perth that are best for you.

Fly from

Boston

Fly to

Perth

Route

Depart

Return

Price

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Tue 17/2

12:15-04:15

2 stops51h 00m

Perth

Tue 24/2

05:35-17:35

2 stops49h 00m

$1,901

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Fri 17/4

22:00-18:35

1 stop32h 35m

Perth

Sun 26/4

23:45-15:05

2 stops51h 20m

$2,100

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Fri 13/3

21:40-11:55

1 stop26h 15m

Perth

Fri 20/3

23:45-14:55

2 stops51h 10m

$2,106

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Mon 27/4

15:16-08:50

2 stops29h 34m

Perth

Mon 8/6

06:20-22:01

2 stops27h 41m

$2,119

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Fri 27/3

10:48-11:15

2 stops36h 27m

Perth

Tue 7/4

23:45-23:59

2 stops36h 14m

$2,155

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Mon 27/4

14:55-14:40

3 stops35h 45m

Perth

Mon 8/6

16:55-22:51

2 stops41h 56m

$2,156

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Thu 30/4

17:48-12:15

2 stops54h 27m

Perth

Wed 27/5

06:20-22:01

2 stops27h 41m

$2,168

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Thu 5/3

15:40-16:30

3 stops35h 50m

Perth

Tue 10/3

11:30-09:40

3 stops34h 10m

$2,218

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Fri 27/3

21:40-11:55

1 stop26h 15m

Perth

Tue 7/4

22:40-15:15

1 stop28h 35m

$2,249

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Sun 14/6

10:45-14:55

3 stops40h 10m

$1,099

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 20 results
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, March is the cheapest month in which you can book a flight from Boston to Perth (average of $1,910). Flying from Boston to Perth in June is currently the most expensive (average of $3,218). 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.

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 Qantas Airways fly from Boston to Perth in about 29h 34m. The time it takes to get you to your destination can typically vary by up to 3h 01m. 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, March is the cheapest month in which you can book a flight from Boston to Perth (average of $1,910). Flying from Boston to Perth in June is currently the most expensive (average of $3,218). 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
Scarborough
Mandurah
Fremantle
Rottnest Island

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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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