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$1,336+ Cheap flights from Key Largo, FL 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — PER
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap 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 September 15, 2025.

Round-trip from

$1,336
(Trip.com)

Popular in

February

Cheapest in

March

Average price

$2,184
From Key Largo to Perth
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find 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 September 15, 2025.

This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3011:30 pmMIA - PER
2 stops40h 50mMultiple Airlines
Thu 11/65:50 pmPER - MIA
2 stops59h 35mMultiple Airlines
Deal found 9/15$1,336
This BYOjet deal was found by Cheapflights users on 9/15. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:35 pmMIA - PER
2 stops39h 15mCathay Pacific
Wed 11/512:25 amPER - MIA
2 stops31h 51mCathay Pacific
Deal found 9/15$1,650
This Cathay Pacific deal was found by Cheapflights users on 9/14. 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.
Thu 11/69:37 amMIA - PER
2 stops48h 13mCathay Pacific
Mon 11/108:30 amPER - MIA
2 stops35h 15mCathay Pacific
Deal found 9/14$1,702
This lastminute.com deal was found by Cheapflights users on 9/13. 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 9/157:34 pmMIA - PER
2 stops39h 06mCathay Pacific
Mon 9/299:15 amPER - MIA
2 stops48h 35mCathay Pacific
Deal found 9/13$1,861
This lastminute.com deal was found by Cheapflights users on 9/13. 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 9/158:35 amMIA - PER
2 stops35h 10mMultiple Airlines
Mon 9/2910:45 pmPER - MIA
1 stop30h 05mMultiple Airlines
Deal found 9/13$1,980
This KAYAK deal was found by Cheapflights users on 9/13. 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.
Sun 11/98:45 amMIA - PER
2 stops43h 05mAir New Zealand
Tue 12/236:50 pmPER - MIA
2 stops53h 04mAir New Zealand
Deal found 9/13$2,028
This oojo deal was found by Cheapflights users on 9/13. 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.
Mon 11/106:15 amMIA - PER
2 stops35h 40mCathay Pacific
Tue 12/238:30 amPER - MIA
2 stops42h 29mCathay Pacific
Deal found 9/13$2,121
This oojo deal was found by Cheapflights users on 9/13. 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.
Sun 11/99:45 pmMIA - PER
2 stops44h 10mCathay Pacific
Mon 12/2212:15 amPER - MIA
2 stops32h 45mCathay Pacific
Deal found 9/13$2,174
This oojo deal was found by Cheapflights users on 9/14. 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.
Thu 10/211:30 pmMIA - PER
1 stop31h 10mQatar Airways
Thu 10/911:45 pmPER - MIA
2 stops53h 05mQatar Airways
Deal found 9/14$2,228
This Air New Zealand deal was found by Cheapflights users on 9/13. 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 New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/99:00 amMIA - PER
2 stops42h 50mMultiple Airlines
Tue 12/236:50 pmPER - MIA
3 stops53h 04mMultiple Airlines
Deal found 9/13$2,348

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 September 15, 2025.
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

Thu 11/6

9:37 am-10:50 pm

2 stops48h 13m

Perth

Mon 11/10

8:30 am-11:40 pm

2 stops52h 10m

$1,702

MiamiPerth

MIA - PER

MIAPER

Miami

Sun 11/9

8:45 am-4:50 pm

2 stops43h 05m

Perth

Tue 12/23

6:50 pm-10:54 am

2 stops53h 04m

$2,028

MiamiPerth

MIA - PER

MIAPER

Miami

Mon 11/10

6:15 am-6:55 am

2 stops35h 40m

Perth

Tue 12/23

8:30 am-1:59 pm

2 stops42h 29m

$2,121

MiamiPerth

MIA - PER

MIAPER

Miami

Sun 11/9

9:45 pm-6:55 am

2 stops44h 10m

Perth

Mon 12/22

12:15 am-8:00 pm

2 stops32h 45m

$2,174

MiamiPerth

MIA - PER

MIAPER

Miami

Mon 9/22

7:40 pm-2:50 pm

2 stops55h 10m

$1,830

MiamiPerth

MIA - PER

MIAPER

Miami

Mon 9/22

7:34 pm-5:05 pm

2 stops33h 31m

$1,861

MiamiPerth

MIA - PER

MIAPER

Miami

Mon 9/22

4:16 pm-2:40 pm

3 stops58h 24m

$3,605

MiamiPerth

MIA - PER

MIAPER

Miami

Mon 9/22

11:55 pm-5:35 pm

1 stop29h 40m

$7,527

MiamiPerth

MIA - PER

MIAPER

Miami

Sun 9/21

12:35 am-12:40 am

2 stops36h 05m

$8,161

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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

What is the cheapest month to book a flight from Key Largo to Perth?

Currently, February is the cheapest month in which you can book a flight from Key Largo to Perth (average of $1,438). Flying from Key Largo 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 KE9 to PER?

Find hourly flight availability from Key Largo 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 September 15, 2025.

When flying from Key Largo to Perth, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 15, 2025.
Read through reviews of airlines operating flights from Key Largo to Perth, such as Qantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
905 reviews

Overall

7.5

Boarding

7.7

Comfort

7.5

Crew

8.2

Entertainment

7.2

Food

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me
Qantas Airways
7.5
Good
905 reviews
Qantas Airways
7.5
Good
905 reviews

Overall

7.5

Boarding

7.7

Comfort

7.5

Crew

8.2

Entertainment

7.2

Food

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me

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 1 airline.

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

    For as low as $1,702, Cathay Pacific can have you in Perth from Key Largo in 48h 13m. The distance between Key Largo and Perth is about 11359 mi.

  • What are the cheapest airlines to fly from Key Largo to Perth one-way?

    $1,830 is the cheapest one-way deal found within the past few days, from Malaysia Airlines. You may also be able to find cheap deals on Qantas Airways and United Airlines, with prices starting from $1,861 and $3,605, respectively.

  • 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.

  • What is the cheapest month to book a flight from Key Largo to Perth?

    Currently, February is the cheapest month in which you can book a flight from Key Largo to Perth (average of $1,438). Flying from Key Largo 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 Perth?

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

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Alternative routes for Key Largo to Perth

See prices for flight routes from nearby airports that may be better suited for you.
Miami to Perth flights
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Tampa to Perth flights

Top airline flying from Key Largo to Perth

Discover the top airline that operate flights from Key Largo 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,548Average$1,894FlexibilityNo cancel feeOn-time74%

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