This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PER
4 Dec — 11 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheap flight deals from Boston to Perth
Enter your travel dates to find the best prices.
Cheapest
Best
Last-minute
One-way
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 4 November 2026.
Mon 9/1120:40 -
1 stop33h 05m
Sat 14/1122:45 -
1 stop28h 10m
Deal found 4/11$2,264
Sun 8/1122:10 -
1 stop30h 20m
Mon 23/1122:20 -
1 stop28h 35m
Deal found 1/11$2,334
Wed 11/1110:45 -
2 stops38h 45m
Thu 3/1214:00 -
2 stops30h 21m
Deal found 2/11$2,433
Mon 2/1106:00 -
2 stops41h 30m
Mon 9/1114:00 -
2 stops30h 47m
Deal found 1/11$2,529
Tue 1/1221:50 -
2 stops44h 05m
Thu 10/1209:25 -
2 stops41h 05m
Deal found 3/11$2,535
Fri 27/1114:20 -
2 stops31h 50m
Fri 4/1223:10 -
2 stops33h 29m
Deal found 30/10$2,562
Tue 10/1100:30 -
1 stop33h 25m
Wed 2/1200:25 -
1 stop34h 35m
Deal found 4/11$2,578
Sun 8/1109:00 -
2 stops40h 30m
Mon 23/1107:45 -
3 stops53h 14m
Deal found 1/11$2,581
Sat 7/1100:30 -
1 stop33h 25m
Mon 23/1108:30 -
1 stop26h 30m
Deal found 3/11$2,635
Best flights from Boston to Perth
Discover carefully curated flight deals from Boston to Perth that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 November 2026.
Sun 14/321:40 -
1 stop33h 05m
Sat 20/322:45 -
1 stop28h 10m
Deal found 3/11$2,022
Wed 3/310:00 -
3 stops39h 45m
Tue 16/301:20 -
2 stops32h 24m
Deal found 2/11$2,318
Sun 28/220:40 -
3 stops44h 10m
Fri 12/300:45 -
3 stops50h 10m
Deal found 3/11$2,397
Mon 15/222:10 -
1 stop30h 20m
Fri 19/222:20 -
1 stop28h 35m
Deal found 2/11$2,609
Sun 14/200:30 -
1 stop41h 25m
Thu 18/200:25 -
1 stop34h 35m
Deal found 3/11$2,682
Mon 15/220:40 -
1 stop33h 05m
Fri 19/222:45 -
2 stops32h 48m
Deal found 3/11$2,327
Sat 13/222:10 -
1 stop30h 20m
Sat 20/222:20 -
1 stop28h 35m
Deal found 2/11$2,636
Last-minute flights from Boston to Perth
Discover last-minute flight deals from Boston to Perth. Data last updated 4 November 2026 and is based on user searches.
Sat 7/1100:30 -
1 stop33h 25m
Mon 23/1108:30 -
1 stop26h 30m
Deal found 3/11$2,635
Sun 8/1122:10 -
1 stop30h 20m
Mon 23/1122:20 -
1 stop28h 35m
Deal found 1/11$2,334
Sun 8/1109:00 -
2 stops40h 30m
Mon 23/1107:45 -
3 stops53h 14m
Deal found 1/11$2,581
Mon 9/1120:40 -
1 stop33h 05m
Sat 14/1122:45 -
1 stop28h 10m
Deal found 4/11$2,264
Tue 10/1100:30 -
1 stop33h 25m
Wed 2/1200:25 -
1 stop34h 35m
Deal found 4/11$2,578
Wed 11/1110:45 -
2 stops38h 45m
Thu 3/1214:00 -
2 stops30h 21m
Deal found 2/11$2,433
Wed 11/1117:17 -
2 stops56h 13m
Thu 3/1223:45 -
3 stops37h 14m
Deal found 4/11$2,651
Fri 27/1114:20 -
2 stops31h 50m
Fri 4/1223:10 -
2 stops33h 29m
Deal found 30/10$2,562
Tue 1/1221:50 -
2 stops44h 05m
Thu 10/1209:25 -
2 stops41h 05m
Deal found 3/11$2,535
One-way flights from Boston to Perth
Search for one-way flight options from Boston to Perth. Find affordable one-way fares based on user searches. Data last updated 4 November 2026.
Wed 24/219:46 -
2 stops46h 34m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/11$951
Tue 9/215:40 -
2 stops47h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/11$970
Sun 7/215:40 -
2 stops47h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 31/10$973
Tue 1/1217:15 -
3 stops45h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 1/11$1,102
Tue 1/1212:40 -
2 stops33h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 1/11$1,206
Wed 24/209:40 -
2 stops37h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/11$1,338
Tue 23/200:30 -
1 stop33h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/11$1,394
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 4 November 2026.
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 7,457,451 searches. Data last updated 4 November 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
Wed 24/2
19:46-07:20
2 stops46h 34m
Perth
Wed 31/12
00:00-11:00
Nonstop0h 00m
$951
Fastest return journey
BostonPerth
BOS Boston Logan Intl - PER Perth
BOSPER
Boston Logan Intl
Wed 24/2
09:40-12:30
2 stops37h 50m
Perth
Wed 31/12
00:00-11:00
Nonstop0h 00m
$1,338
BostonPerth
BOS Boston Logan Intl - PER Perth
BOSPER
Boston Logan Intl
Sun 14/3
21:40-18:45
1 stop33h 05m
Perth
Sat 20/3
22:45-14:55
1 stop28h 10m
$2,022
BostonPerth
BOS Boston Logan Intl - PER Perth
BOSPER
Boston Logan Intl
Wed 3/3
10:00-14:45
3 stops39h 45m
Perth
Tue 16/3
01:20-21:44
2 stops32h 24m
$2,318
BostonPerth
BOS Boston Logan Intl - PER Perth
BOSPER
Boston Logan Intl
Mon 15/2
20:40-18:45
1 stop33h 05m
Perth
Fri 19/2
22:45-18:33
2 stops32h 48m
$2,327
BostonPerth
BOS Boston Logan Intl - PER Perth
BOSPER
Boston Logan Intl
Sun 28/2
20:40-05:50
3 stops44h 10m
Perth
Fri 12/3
00:45-13:55
3 stops50h 10m
$2,397
BostonPerth
BOS Boston Logan Intl - PER Perth
BOSPER
Boston Logan Intl
Mon 15/2
22:10-17:30
1 stop30h 20m
Perth
Fri 19/2
22:20-13:55
1 stop28h 35m
$2,609
BostonPerth
BOS Boston Logan Intl - PER Perth
BOSPER
Boston Logan Intl
Sat 13/2
22:10-17:30
1 stop30h 20m
Perth
Sat 20/2
22:20-13:55
1 stop28h 35m
$2,636
BostonPerth
BOS Boston Logan Intl - PER Perth
BOSPER
Boston Logan Intl
Sun 14/2
00:30-06:55
1 stop41h 25m
Perth
Thu 18/2
00:25-22:00
1 stop34h 35m
$2,682
Flights are sorted by cheapest return flights first.
Deals found on 31/10
Sorted by cheapest first
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.
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 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 $2,323). Flying from Boston to Perth in December is currently the most expensive (average of $3,520). 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 $2,459 and $2,515 in February.The cheapest return price found within the last 5 days was $1,735 on Qatar Airways (7 Feb–20 Feb).
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 Singapore Airlines fly from Boston to Perth in about 33h 05m. The time it takes to get you to your destination can typically vary by up to 6h 40m. 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 $2,323). Flying from Boston to Perth in December is currently the most expensive (average of $3,520). 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.
Explore flights to Perth departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 4 November 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
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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