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Cheap flights from Adelaide to Key Largo from $1,292

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 16/4. Fares are subject to change and may not be available on all flights or dates of travel.
ADL — MIA
8 Mar — 15 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Adelaide to Key Largo

Enter your travel dates to find the best prices.

Cheapest flights from Adelaide to Key Largo
Explore the most affordable flight options available from Adelaide to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 February 2026.

Tue 3/1106:00
ADL
-
MIA
3 stops49h 06m
Air Canada
Sat 7/1121:05
MIA
-
ADL
3 stops49h 20m
Air Canada
Deal found 5/2$1,573
Tue 3/1107:50
ADL
-
MIA
2 stops28h 01m
American Airlines
Sat 7/1121:43
MIA
-
ADL
2 stops48h 27m
American Airlines
Deal found 5/2$1,784
Mon 16/307:50
ADL
-
MIA
2 stops26h 54m
American Airlines
Mon 30/313:40
MIA
-
ADL
2 stops29h 15m
American Airlines
Deal found 5/2$1,795
Sun 15/307:50
ADL
-
MIA
2 stops28h 03m
Qantas Airways
Mon 30/315:32
MIA
-
ADL
2 stops33h 43m
Qantas Airways
Deal found 5/2$1,837
Mon 8/606:00
ADL
-
MIA
2 stops28h 00m
Qantas Airways
Thu 9/719:21
MIA
-
ADL
2 stops26h 14m
Qantas Airways
Deal found 4/2$1,889
Fri 20/312:00
ADL
-
MIA
2 stops23h 57m
Qantas Airways
Fri 27/307:16
MIA
-
ADL
2 stops35h 54m
Qantas Airways
Deal found 3/2$1,903
Fri 20/312:00
ADL
-
MIA
2 stops25h 20m
Multiple Airlines
Fri 27/317:30
MIA
-
ADL
2 stops27h 55m
Multiple Airlines
Deal found 3/2$1,933

Find flight deals from Adelaide to Key Largo

Keep the following information in mind while searching for Adelaide to Key Largo flight deals. Data was last updated 6 February 2026.

Round-trip from

$1,795

One-way from

$1,343

Popular in

June

Cheapest in

December

Average price

$2,071
American Airlines
  • American Airlines
  • 16/3-30/3
  • 4 total stops
  • 56h 09m total
  • Adelaide to Key Largo
Search Deals
16/4
  • 16/4
  • 2 total stops
  • 33h 58m total
  • Adelaide to Key Largo
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($793 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($110 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Adelaide 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 6 February 2026.
Use the filters below to find and compare flights from Adelaide to Key Largo that are best for you.

Fly from

Adelaide

Fly to

Key Largo

Route

Depart

Return

Price

AdelaideMiami

ADL - MIA

ADLMIA

Adelaide

Mon 16/3

07:50-20:14

2 stops26h 54m

Miami

Mon 30/3

13:40-09:25

2 stops29h 15m

$1,795

AdelaideMiami

ADL - MIA

ADLMIA

Adelaide

Sun 15/3

07:50-21:23

2 stops28h 03m

Miami

Mon 30/3

15:32-15:45

2 stops33h 43m

$1,837

AdelaideMiami

ADL - MIA

ADLMIA

Adelaide

Mon 8/6

06:00-20:30

2 stops28h 00m

Miami

Thu 9/7

19:21-11:05

2 stops26h 14m

$1,889

AdelaideMiami

ADL - MIA

ADLMIA

Adelaide

Fri 20/3

12:00-21:27

2 stops23h 57m

Miami

Fri 27/3

07:16-09:40

2 stops35h 54m

$1,903

AdelaideMiami

ADL - MIA

ADLMIA

Adelaide

Fri 20/3

12:00-22:50

2 stops25h 20m

Miami

Fri 27/3

17:30-11:55

2 stops27h 55m

$1,933

AdelaideMiami

ADL - MIA

ADLMIA

Adelaide

Mon 16/3

06:00-00:16

3 stops32h 46m

Miami

Mon 30/3

12:20-13:55

3 stops35h 05m

$1,992

AdelaideMiami

ADL - MIA

ADLMIA

Adelaide

Mon 8/6

06:00-20:25

3 stops27h 55m

Miami

Thu 9/7

19:21-11:05

2 stops26h 14m

$2,101

AdelaideMiami

ADL - MIA

ADLMIA

Adelaide

Fri 20/3

08:30-07:27

2 stops37h 27m

Miami

Fri 27/3

16:10-11:50

3 stops53h 10m

$2,244

AdelaideMiami

ADL - MIA

ADLMIA

Adelaide

Mon 8/6

07:50-07:29

3 stops37h 09m

Miami

Thu 9/7

16:52-13:35

3 stops31h 13m

$2,326

AdelaideMiami

ADL - MIA

ADLMIA

Adelaide

Sun 15/3

19:55-17:39

2 stops36h 14m

Miami

Mon 30/3

12:20-13:55

3 stops35h 05m

$2,428

Flights are sorted by cheapest return flights first.

Deals found on 6/2

Showing 1-10 of 14 results
1
2

Best time to book a flight from Adelaide to Key Largo

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

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

Currently, December is the cheapest month in which you can book a flight from Adelaide to Key Largo (average of $775). Flying from Adelaide to Key Largo in July is currently the most expensive (average of $2,968). 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.

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 6 February 2026.
Read reviews from past customers who have flown with Qantas Airways and United Airlines from Adelaide to Key Largo. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
986 reviews
Check prices

Boarding

7.7

Entertainment

7.2

Crew

8.2

Overall

7.5

Comfort

7.5

Food

7.0

Reviews

1 / 20
4.0
Okay

Warwick,Feb 2026

SYD - MEL

Poor. Very long delayed boarding. Laughable attempt to roll out demarcation stairs. One person trying to push in place but too heavy.
Qantas Airways
7.5
Good
986 reviews
Qantas Airways
7.5
Good
986 reviews
Check prices

Boarding

7.7

Entertainment

7.2

Crew

8.2

Overall

7.5

Comfort

7.5

Food

7.0

Reviews

1 / 20
4.0
Okay

Warwick,Feb 2026

SYD - MEL

Poor. Very long delayed boarding. Laughable attempt to roll out demarcation stairs. One person trying to push in place but too heavy.
United Airlines
7.4
Good
9,238 reviews
Qantas Airways
7.5
Good
986 reviews
Check prices

Boarding

7.7

Entertainment

7.2

Crew

8.2

Overall

7.5

Comfort

7.5

Food

7.0

Reviews

1 / 20
4.0
Okay

Warwick,Feb 2026

SYD - MEL

Poor. Very long delayed boarding. Laughable attempt to roll out demarcation stairs. One person trying to push in place but too heavy.

Related info for your journey

Find useful and relevant information for your journey from Adelaide 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 Adelaide to Key Largo?

    Most people fly from Adelaide (ADL) if they book a flight from Adelaide to Key Largo. On average, Adelaide has 0 outbound flights to Key Largo per day from 2 airlines. Adelaide is conveniently located just 6.6 km from Adelaide’s city centre.

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

    Airlines like American Airlines and Qantas Airways fly from Adelaide to Key Largo in about 26h 54m. The time it takes to get you to your destination can typically vary by up to 1h 09m. The distance from Adelaide to Key Largo is about 16169 km. Both multi-stop and direct flights can be found to your destination and back.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Adelaide to Key Largo (average of $775). Flying from Adelaide to Key Largo in July is currently the most expensive (average of $2,968). 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

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Alternative routes for Adelaide to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Adelaide to Key Largo

Discover the top 2 airlines that operate flights from Adelaide 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 6 February 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$613Average$2,282FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qantas AirwaysCheapest$1,570Average$2,280FlexibilityNo cancel feeOn-time74%
Search Qantas 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 Adelaide to Key Largo?

Deals for Adelaide to Key Largo flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Adelaide to Key Largo for you. Better yet — we are completely free to use.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Adelaide to Key Largo, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Key Largo from Adelaide today and book when prices fit your budget.

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