HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Perth

$1,511+ Cheap flights from Boston (BOS) to Perth (PER)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PER
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Perth with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,511
(StudentUniverse)

Popular in

December

Cheapest in

October

Average price

$1,509
Provider with most accurate pricing for Boston Logan Intl-Perth flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Perth flights.
Search Deals
From Boston Logan Intl to Perth
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($285 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($113 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Boston to Perth

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 April 24, 2025.

This StudentUniverse deal was found by Cheapflights users on 4/23. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/61:40 amBOS - PER
1 stop33h 00mCathay Pacific
Wed 5/289:15 amPER - BOS
1 stop25h 45mCathay Pacific
Deal found 4/23$1,511
This oojo deal was found by Cheapflights users on 4/23. 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.
Wed 5/710:00 pmBOS - PER
1 stop32h 40mQatar Airways
Tue 5/272:10 amPER - BOS
2 stops48h 55mQatar Airways
Deal found 4/23$1,562
This oojo deal was found by Cheapflights users on 4/23. 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.
Sat 5/1711:05 pmBOS - PER
1 stop30h 30mEmirates
Sat 5/246:00 amPER - BOS
1 stop44h 10mEmirates
Deal found 4/23$1,783
This Gurufare deal was found by Cheapflights users on 4/23. 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.
Sat 5/174:30 pmBOS - PER
2 stops41h 40mMultiple Airlines
Fri 5/2312:10 amPER - BOS
2 stops30h 00mMultiple Airlines
Deal found 4/23$2,006
This oojo deal was found by Cheapflights users on 4/23. 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 6/136:12 pmBOS - PER
2 stops31h 23mQantas Airways
Tue 6/2411:55 pmPER - BOS
2 stops42h 49mQantas Airways
Deal found 4/23$2,067
This oojo deal was found by Cheapflights users on 4/23. 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 6/131:45 pmBOS - PER
3 stops36h 55mSingapore Airlines
Mon 6/231:10 amPER - BOS
3 stops52h 49mSingapore Airlines
Deal found 4/23$3,600
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Sat 6/76:11 pmBOS - PER
2 stops32h 29mUnited Airlines
Sat 6/141:15 pmPER - BOS
3 stops52h 46mUnited Airlines
Deal found 4/23$3,708

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated April 24, 2025.
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 5/6

1:40 am-10:40 pm

1 stop33h 00m

Perth

Wed 5/28

9:15 am-11:00 pm

1 stop25h 45m

$1,511

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Wed 5/7

10:00 pm-6:40 pm

1 stop32h 40m

Perth

Tue 5/27

2:10 am-3:05 pm

2 stops48h 55m

$1,562

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Sat 5/17

11:05 pm-5:35 pm

1 stop30h 30m

Perth

Sat 5/24

6:00 am-2:10 pm

1 stop44h 10m

$1,783

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Sat 5/17

4:30 pm-10:10 pm

2 stops41h 40m

Perth

Fri 5/23

12:10 am-6:10 pm

2 stops30h 00m

$2,006

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Fri 6/13

6:12 pm-1:35 pm

2 stops31h 23m

Perth

Tue 6/24

11:55 pm-6:44 am

2 stops42h 49m

$2,067

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Fri 6/13

1:45 pm-2:40 pm

3 stops36h 55m

Perth

Mon 6/23

1:10 am-5:59 pm

3 stops52h 49m

$3,600

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Sat 6/7

6:11 pm-2:40 pm

2 stops32h 29m

Perth

Sat 6/14

1:15 pm-6:01 am

3 stops52h 46m

$3,708

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Fri 6/6

9:35 pm-5:50 am

3 stops44h 15m

$2,959

BostonPerth

BOS - PER

BOSPER

Boston Logan Intl

Thu 6/5

1:40 am-7:45 am

1 stop42h 05m

$5,773

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Compare providers for flights from Boston to Perth

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Perth in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Perth flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Boston-Perth flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Boston-Perth flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Perth flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Perth flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 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 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 $1,447). Flying from Boston to Perth in December is currently the most expensive (average of $2,172). 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 PER?

Find hourly flight availability from Boston to Perth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.

It’s optimal to fly from Boston to Perth in the evening. By choosing this option you can save up to 22% on the cost of your flight, compared to a flight at noon.

Rainfall in Perth by month

Plan your trip to Perth by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Perth ranges from 0.0 - 6.7 inches per month. June is typically the wettest month, when rainfall can reach 6.7 in. January is typically the driest time to visit Perth when rainfall is around 0.0 in.

Temperature in Perth by month

Plan your trip to Perth by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Perth, 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 75.2 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Perth

Get insights into the airlines that provide service to Perth. 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 Perth. Reviews last updated April 24, 2025.
Singapore Airlines
8.1
Very good
1,290 reviews

Comfort

7.9

Entertainment

8.0

Overall

8.1

Boarding

8.2

Food

7.7

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
Singapore Airlines
8.1
Very good
1,290 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Comfort

7.9

Entertainment

8.0

Overall

8.1

Boarding

8.2

Food

7.7

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
Emirates
8.0
Very good
3,206 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Comfort

7.9

Entertainment

8.0

Overall

8.1

Boarding

8.2

Food

7.7

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
Cathay Pacific
7.5
Good
850 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Comfort

7.9

Entertainment

8.0

Overall

8.1

Boarding

8.2

Food

7.7

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
Qantas Airways
7.5
Good
826 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Comfort

7.9

Entertainment

8.0

Overall

8.1

Boarding

8.2

Food

7.7

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
Qatar Airways
7.4
Good
3,561 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Comfort

7.9

Entertainment

8.0

Overall

8.1

Boarding

8.2

Food

7.7

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.

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.

  • What are the cheapest airlines flying from Boston to Perth round-trip?

    Cathay Pacific, at $1,511, was found to be the cheapest airline from Boston to Perth.Alternate airlines to your destination round-trip include Qatar Airways and Emirates. Cathay Pacific is currently priced 16% below the average price you’ll pay for this route.

  • 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 vacation 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 $1,447). Flying from Boston to Perth in December is currently the most expensive (average of $2,172). 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

Traveling to a place near Boston?

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

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.

Complete your trip

Complete your trip to Perth by adding a car rental and/or hotel reservation to your travel itinerary.
Perth car rentals
Perth Airport car rentals
Perth CBD car rentals
Northbridge car rentals

Top 4 airlines flying from Boston to Perth

Discover the top 4 airlines that operate flights from Boston to Perth. 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,362Average$1,491FlexibilityNo cancel feeOn-time68%
Cathay PacificCheapest$1,383Average$1,845FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$1,436Average$1,892FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$1,802Average$2,041FlexibilityNo cancel feeOn-time74%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.