Find flights
When to book
Airlines
FAQs

Cheap flights from Perth to Key Largo from $1,070

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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
PER — MIA
12 Aug — 19 Aug1
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 13 July 2026.

Mon 20/722:40
PER
-
MIA
2 stops30h 49m
United Airlines
Tue 11/816:58
MIA
-
PER
2 stops35h 02m
United Airlines
Deal found 10/7$2,171
Sun 19/723:45
PER
-
MIA
2 stops43h 54m
United Airlines
Tue 11/816:58
MIA
-
PER
2 stops35h 02m
United Airlines
Deal found 10/7$2,176
Wed 22/715:30
PER
-
MIA
2 stops37h 59m
United Airlines
Tue 11/816:58
MIA
-
PER
2 stops35h 02m
United Airlines
Deal found 10/7$2,177
Mon 20/722:40
PER
-
MIA
2 stops30h 49m
United Airlines
Wed 12/816:58
MIA
-
PER
2 stops33h 42m
United Airlines
Deal found 10/7$2,178
Mon 20/722:40
PER
-
MIA
2 stops30h 49m
United Airlines
Mon 10/818:35
MIA
-
PER
2 stops29h 55m
United Airlines
Deal found 10/7$2,180
Sun 19/723:45
PER
-
MIA
2 stops43h 54m
United Airlines
Tue 4/808:00
MIA
-
PER
2 stops44h 00m
United Airlines
Deal found 12/7$2,181
Wed 22/715:30
PER
-
MIA
2 stops52h 09m
United Airlines
Wed 12/816:58
MIA
-
PER
2 stops33h 42m
United Airlines
Deal found 10/7$2,184
Sun 12/723:55
PER
-
MIA
2 stops29h 34m
United Airlines
Mon 27/716:10
MIA
-
PER
3 stops58h 30m
United Airlines
Deal found 8/7$2,186
Wed 22/715:30
PER
-
MIA
2 stops52h 09m
United Airlines
Mon 10/818:35
MIA
-
PER
2 stops29h 55m
United Airlines
Deal found 10/7$2,187
Sun 19/723:45
PER
-
MIA
2 stops43h 54m
United Airlines
Mon 3/816:10
MIA
-
PER
3 stops58h 30m
United Airlines
Deal found 12/7$2,189
Sun 19/723:45
PER
-
MIA
2 stops43h 54m
United Airlines
Wed 5/808:00
MIA
-
PER
2 stops40h 30m
United Airlines
Deal found 12/7$2,190

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 13 July 2026.

Round-trip from

$2,184

One-way from

$1,070

Popular in

December

Cheapest in

November

Average price

$2,656
United Airlines
  • United Airlines
  • 17/8-24/8
  • 5 total stops
  • 96h 23m total
  • Perth to Key Largo
Search Deals
1/11
  • 1/11
  • 2 total stops
  • 31h 47m total
  • Perth to Key Largo
Search Deals
High demand for flights, 3% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($113 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 13 July 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

Fri 24/7

23:45-07:39

2 stops43h 54m

Miami

Tue 11/8

16:58-16:00

2 stops35h 02m

$2,246

PerthMiami

PER - MIA

PERMIA

Perth

Thu 23/7

22:40-07:39

2 stops44h 59m

Miami

Tue 11/8

15:57-14:40

3 stops58h 43m

$2,249

PerthMiami

PER - MIA

PERMIA

Perth

Sat 8/8

11:15-17:34

2 stops42h 19m

Miami

Sat 15/8

15:57-12:30

3 stops56h 33m

$2,253

PerthMiami

PER - MIA

PERMIA

Perth

Thu 23/7

22:40-17:29

2 stops30h 49m

Miami

Wed 5/8

11:12-12:30

3 stops37h 18m

$2,262

PerthMiami

PER - MIA

PERMIA

Perth

Tue 25/8

19:50-15:55

3 stops56h 05m

Miami

Tue 1/9

16:58-16:00

2 stops35h 02m

$2,315
Fastest return journey

PerthMiami

PER - MIA

PERMIA

Perth

Thu 23/7

22:40-17:29

2 stops30h 49m

Miami

Thu 6/8

18:35-12:30

2 stops29h 55m

$2,326

PerthMiami

PER - MIA

PERMIA

Perth

Wed 5/8

00:25-22:40

2 stops34h 15m

Miami

Thu 13/8

17:01-22:15

2 stops41h 14m

$2,375

PerthMiami

PER - MIA

PERMIA

Perth

Wed 5/8

00:25-11:12

3 stops46h 47m

Miami

Thu 13/8

17:01-22:15

2 stops41h 14m

$2,382

PerthMiami

PER - MIA

PERMIA

Perth

Mon 31/8

17:15-17:35

2 stops36h 20m

Miami

Sun 13/9

16:41-12:30

2 stops31h 49m

$2,416

PerthMiami

PER - MIA

PERMIA

Perth

Thu 27/8

22:40-19:26

2 stops32h 46m

Miami

Mon 31/8

15:57-14:40

3 stops58h 43m

$2,464

Flights are sorted by cheapest return flights first.

Deals found on 13/7

Showing 1-10 of 19 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
No data available for this route at this time. Please check back soon.

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 13 July 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
1,061 reviews
Check prices

Comfort

7.4

Overall

7.5

Crew

8.1

Boarding

7.7

Food

7.0

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Tania,May 2026

SYD - DFW

The trip was great and the flight attendants were lovely. It was my honeymoon and ai thought I lost my gold brecelet. They searched until they found it and gave us a bottle of champaign to celebrate our honeymoon. They were lovely!
Qantas Airways
7.5
Good
1,061 reviews
Qantas Airways
7.5
Good
1,061 reviews
Check prices

Comfort

7.4

Overall

7.5

Crew

8.1

Boarding

7.7

Food

7.0

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Tania,May 2026

SYD - DFW

The trip was great and the flight attendants were lovely. It was my honeymoon and ai thought I lost my gold brecelet. They searched until they found it and gave us a bottle of champaign to celebrate our honeymoon. They were lovely!
Qatar Airways
7.3
Good
3,742 reviews
Qantas Airways
7.5
Good
1,061 reviews
Check prices

Comfort

7.4

Overall

7.5

Crew

8.1

Boarding

7.7

Food

7.0

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Tania,May 2026

SYD - DFW

The trip was great and the flight attendants were lovely. It was my honeymoon and ai thought I lost my gold brecelet. They searched until they found it and gave us a bottle of champaign to celebrate our honeymoon. They were lovely!

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 43h 54m. United Airlines provides one of the quickest options available for as low as $2,246. 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.

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 Orlando flights
Perth to Miami 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 13 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,787Average$2,055FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Qatar AirwaysCheapest$2,114Average$2,520FlexibilityNo 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.