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$709+ Cheap flights from Key Largo, FL to Perth (PER)

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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — PER
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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Cheap flight deals from Key Largo to Perth

Cheapest flights from Key Largo to Perth
Explore the most affordable flight options available from Key Largo to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This FlightHub deal was found by Cheapflights users on 2/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:10 pm
MIA
-
PER
2 stops40h 10m
Multiple Airlines
Sat 8/155:15 pm
PER
-
MIA
2 stops36h 00m
Multiple Airlines
Deal found 2/2$1,420
This lastminute.com deal was found by Cheapflights users on 2/1. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/166:00 am
MIA
-
PER
2 stops51h 55m
Cathay Pacific
Mon 3/28:30 am
PER
-
MIA
2 stops58h 10m
Cathay Pacific
Deal found 2/1$1,497
This Cathay Pacific deal was found by Cheapflights users on 2/1. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/166:47 pm
MIA
-
PER
2 stops39h 08m
Multiple Airlines
Mon 3/28:30 am
PER
-
MIA
2 stops35h 53m
Multiple Airlines
Deal found 2/1$1,499
This KAYAK deal was found by Cheapflights users on 2/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:00 am
MIA
-
PER
2 stops45h 20m
Qantas Airways
Wed 3/187:10 am
PER
-
MIA
2 stops26h 17m
Qantas Airways
Deal found 2/3$1,521
This Qantas Airways deal was found by Cheapflights users on 2/3. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:40 am
MIA
-
PER
2 stops40h 40m
Qantas Airways
Sun 3/810:55 pm
PER
-
MIA
2 stops33h 19m
Qantas Airways
Deal found 2/3$1,522
This Air Canada deal was found by Cheapflights users on 2/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/179:05 pm
MIA
-
PER
3 stops54h 40m
Air Canada
Tue 5/510:40 pm
PER
-
MIA
2 stops30h 32m
Air Canada
Deal found 2/4$1,551
This Air Canada deal was found by Cheapflights users on 2/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/54:15 pm
MIA
-
PER
3 stops65h 15m
Air Canada
Thu 4/2310:40 pm
PER
-
MIA
2 stops30h 57m
Air Canada
Deal found 2/2$1,563
This Air Canada deal was found by Cheapflights users on 2/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/54:15 pm
MIA
-
PER
3 stops65h 15m
Air Canada
Sun 4/2610:40 pm
PER
-
MIA
2 stops30h 57m
Air Canada
Deal found 2/2$1,588

Find flight deals from Key Largo to Perth

Keep the following information in mind while searching for Key Largo to Perth flight deals. Data was last updated February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,521
(KAYAK)

One-way from

$709
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,515
Provider with most accurate pricing for Miami-Perth flight deals.
Search Deals
Provider most trusted by Cheapflights users for Miami-Perth flights.
Search Deals
From Key Largo to Perth
Search Deals
One-way flight from Key Largo to Perth
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($316 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($91 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo 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 February 4, 2026.
Use the filters below to find and compare flights from Key Largo to Perth that are best for you.

Fly from

Key Largo

Fly to

Perth

Route

Depart

Return

Price

MiamiPerth

MIA - PER

MIAPER

Miami

Mon 2/16

6:00 am-10:55 pm

2 stops51h 55m

Perth

Mon 3/2

8:30 am-5:40 am

2 stops58h 10m

$1,497

MiamiPerth

MIA - PER

MIAPER

Miami

Mon 2/16

6:47 pm-10:55 pm

2 stops39h 08m

Perth

Mon 3/2

8:30 am-7:23 am

2 stops35h 53m

$1,499

MiamiPerth

MIA - PER

MIAPER

Miami

Wed 2/25

7:00 am-5:20 pm

2 stops45h 20m

Perth

Wed 3/18

7:10 am-9:27 pm

2 stops26h 17m

$1,521

MiamiPerth

MIA - PER

MIAPER

Miami

Wed 3/4

11:40 am-5:20 pm

2 stops40h 40m

Perth

Sun 3/8

10:55 pm-8:14 pm

2 stops33h 19m

$1,522

MiamiPerth

MIA - PER

MIAPER

Miami

Fri 4/17

9:05 pm-3:45 pm

3 stops54h 40m

Perth

Tue 5/5

10:40 pm-5:12 pm

2 stops30h 32m

$1,551

MiamiPerth

MIA - PER

MIAPER

Miami

Wed 5/20

12:26 pm-2:55 pm

3 stops38h 29m

$709

MiamiPerth

MIA - PER

MIAPER

Miami

Wed 5/20

7:40 pm-11:55 am

1 stop28h 15m

$1,930

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Best time to book a flight from Key Largo to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth from Key Largo 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 Key Largo to Perth
No data available for this route at this time. Please check back soon.

Related info for your journey

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

  • What airport do you fly into for flights to Perth from Key Largo?

    Located just 6.3 mi from the city center, Perth is the airport most travelers will use when flying to Perth from Key Largo. Booking flights from Key Largo to Perth (PER) should be relatively easy as there are 0 daily inbound flights from Key Largo from 0 different airlines.

  • How long is the flight from Key Largo to Perth?

    For as low as $1,521, Cathay Pacific can have you in Perth from Key Largo in 45h 20m. The distance between Key Largo and Perth is about 11359 mi. This flight may include one or multiple stops.

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

    Yes. In addition to deals on Key Largo to Perth flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Key Largo to Perth?

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

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

    Yes. Cheapflights offers flight deals from Key Largo 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.

See more FAQs

Traveling to a place near Perth?

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

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