Find flights
When to book
Airlines
FAQs

Cheap flights from Perth to Key Largo from $1,673

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
PER — MIA
24 Apr — 1 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Perth to Key Largo

Enter your travel dates to find the best prices.

Cheapest flights from Perth to Key Largo
Explore the most affordable flight options available from Perth to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2026.

Tue 21/422:40
PER
-
MIA
2 stops31h 02m
Multiple Airlines
Tue 28/412:20
MIA
-
PER
3 stops39h 25m
Multiple Airlines
Deal found 22/3$1,673
Tue 5/522:40
PER
-
MIA
2 stops30h 32m
Multiple Airlines
Tue 12/513:10
MIA
-
PER
3 stops38h 35m
Multiple Airlines
Deal found 21/3$1,682
Sun 19/415:30
PER
-
MIA
2 stops38h 12m
Multiple Airlines
Thu 30/412:20
MIA
-
PER
3 stops39h 25m
Multiple Airlines
Deal found 21/3$1,759
Sun 11/1023:40
PER
-
MIA
2 stops29h 34m
Multiple Airlines
Sun 25/1018:25
MIA
-
PER
2 stops39h 45m
Multiple Airlines
Deal found 22/3$1,791
Sun 11/1023:40
PER
-
MIA
2 stops29h 34m
Air Canada
Sat 24/1021:45
MIA
-
PER
3 stops52h 45m
Air Canada
Deal found 22/3$1,857
Mon 12/1022:55
PER
-
MIA
3 stops49h 19m
Air Canada
Sat 24/1021:45
MIA
-
PER
3 stops53h 45m
Air Canada
Deal found 22/3$1,874
Thu 28/500:50
PER
-
MIA
2 stops28h 22m
Multiple Airlines
Thu 18/621:45
MIA
-
PER
3 stops54h 00m
Multiple Airlines
Deal found 23/3$1,913
Thu 8/1023:40
PER
-
MIA
2 stops29h 34m
Air Canada
Sun 25/1012:35
MIA
-
PER
3 stops37h 55m
Air Canada
Deal found 22/3$1,931
Sun 11/1022:40
PER
-
MIA
2 stops30h 34m
Air Canada
Wed 28/1021:05
MIA
-
PER
3 stops53h 25m
Air Canada
Deal found 22/3$1,983
Mon 12/1022:55
PER
-
MIA
3 stops49h 19m
Air Canada
Tue 27/1012:35
MIA
-
PER
3 stops37h 55m
Air Canada
Deal found 22/3$2,000
Wed 6/510:30
PER
-
MIA
2 stops31h 12m
Qantas Airways
Wed 13/518:48
MIA
-
PER
2 stops34h 12m
Qantas Airways
Deal found 22/3$2,003

Find flight deals from Perth to Key Largo

Keep the following information in mind while searching for Perth to Key Largo flight deals. Data was last updated 25 March 2026.

Round-trip from

$1,673

Popular in

July

Cheapest in

August

Average price

$2,327
21/4-28/4
  • 21/4-28/4
  • 5 total stops
  • 70h 27m total
  • Perth to Key Largo
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($431 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($102 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Perth to Key Largo 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 25 March 2026.
Use the filters below to find and compare flights from Perth to Key Largo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PerthMiami

PER - MIA

PERMIA

Perth

Thu 28/5

00:50-17:12

2 stops28h 22m

Miami

Thu 18/6

21:45-15:45

3 stops54h 00m

$1,913

PerthMiami

PER - MIA

PERMIA

Perth

Tue 21/4

23:45-19:16

2 stops31h 31m

Miami

Tue 28/4

18:48-13:35

2 stops30h 47m

$2,103

PerthMiami

PER - MIA

PERMIA

Perth

Sun 19/4

23:45-19:16

2 stops31h 31m

Miami

Thu 30/4

13:42-11:15

2 stops33h 33m

$2,139

PerthMiami

PER - MIA

PERMIA

Perth

Tue 21/4

08:10-05:42

3 stops33h 32m

Miami

Tue 28/4

18:20-15:15

3 stops32h 55m

$2,167
Fastest return journey

PerthMiami

PER - MIA

PERMIA

Perth

Tue 28/4

23:45-19:16

2 stops31h 31m

Miami

Fri 29/5

17:30-12:15

2 stops30h 45m

$2,169

PerthMiami

PER - MIA

PERMIA

Perth

Fri 29/5

10:30-06:26

2 stops31h 56m

Miami

Thu 18/6

17:30-12:15

2 stops30h 45m

$2,207

PerthMiami

PER - MIA

PERMIA

Perth

Tue 5/5

22:40-19:29

3 stops32h 49m

Miami

Tue 12/5

16:20-14:40

3 stops58h 20m

$2,515

PerthMiami

PER - MIA

PERMIA

Perth

Sat 6/6

10:35-05:00

2 stops30h 25m

Miami

Sat 11/7

17:30-13:35

2 stops32h 05m

$2,951

PerthMiami

PER - MIA

PERMIA

Perth

Tue 5/5

19:50-11:07

3 stops51h 17m

Miami

Tue 12/5

10:50-22:15

3 stops47h 25m

$3,031

PerthMiami

PER - MIA

PERMIA

Perth

Sat 9/5

22:45-16:30

1 stop29h 45m

Miami

Sat 16/5

19:40-18:35

1 stop34h 55m

$3,245

Flights are sorted by cheapest return flights first.

Deals found on 22/3

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Best time to book a flight from Perth to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from Perth 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 Perth to Key Largo

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

Currently, April is the cheapest month in which you can book a flight from Perth to Key Largo (average of $1,645). Flying from Perth to Key Largo in July is currently the most expensive (average of $2,743). 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 Perth to Key Largo?

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to Key Largo. 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 Key Largo. Reviews last updated 25 March 2026.
See what other customers who have flown with Qantas Airways and Qatar Airways from Perth to Key Largo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
1,010 reviews
Check prices

Boarding

7.7

Entertainment

7.2

Crew

8.1

Food

7.0

Comfort

7.4

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
Qantas Airways
7.5
Good
1,010 reviews
Qantas Airways
7.5
Good
1,010 reviews
Check prices

Boarding

7.7

Entertainment

7.2

Crew

8.1

Food

7.0

Comfort

7.4

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
Qatar Airways
7.4
Good
3,732 reviews
Qantas Airways
7.5
Good
1,010 reviews
Check prices

Boarding

7.7

Entertainment

7.2

Crew

8.1

Food

7.0

Comfort

7.4

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.

Related info for your journey

Find useful and relevant information for your journey from Perth to Key Largo. 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 from for flights from Perth to Key Largo?

    Most people fly from Perth (PER) if they book a flight from Perth to Key Largo. On average, Perth has 0 outbound flights to Key Largo per day from 2 airlines. Perth is conveniently located just 10.2 km from Perth’s city centre.

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

    A quick flight from Perth to Key Largo can take about 31h 31m. Qantas Airways provides one of the quickest options available for as low as $2,103. The distance from Perth to Key Largo is about 18281 km.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Perth to Key Largo 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 Perth to Key Largo?

    Currently, April is the cheapest month in which you can book a flight from Perth to Key Largo (average of $1,645). Flying from Perth to Key Largo in July is currently the most expensive (average of $2,743). 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

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.

Alternative routes for Perth to Key Largo

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

Top 2 airlines flying from Perth to Key Largo

Discover the top 2 airlines that operate flights from Perth to Key Largo. 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 647,157 searches. Data last updated 25 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,661Average$2,455FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Qatar AirwaysCheapest$2,148Average$2,540FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Fly with Cheapflights

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 Perth to Key Largo?

Cheapflights helps you search for flights from Perth to Key Largo via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Perth to Key Largo?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Key Largo from Perth.

Can Cheapflights find flights from Perth to Key Largo with no change fees?

Yes! Cheapflights helps users easily find flights from Perth to Key Largo with no change fees.

Can Cheapflights notify me if prices for flights from Perth to Key Largo become cheaper?

Yes! Start tracking prices for Perth to Key Largo flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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.