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 19/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — MIA
17 gen — 24 gen1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Sydney Kingsford Smith to Key Largo are usually found in February or August, booked 16 days in advance, depart on a Wednesday or Thursday and return on a Saturday
Cheap flight deals from Sydney to Key Largo
Enter your travel dates to find the best prices.
Cheapest flights from Sydney to Key Largo
Explore the most affordable flight options available from Sydney to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 dicembre 2025.
mer 24/1210:40SYD - MIA
2 stops29h 51mDelta
lun 5/112:00MIA - SYD
2 stops28h 30mDelta
Deal found 17/12$2,853
mer 24/1211:20SYD - MIA
1 stop24h 35mAmerican Airlines
lun 5/116:17MIA - SYD
1 stop23h 08mAmerican Airlines
Deal found 17/12$2,857
lun 22/1221:40SYD - MIA
2 stops34h 11mHawaiian Airlines
mar 6/107:25MIA - SYD
2 stops44h 20mHawaiian Airlines
Deal found 15/12$3,396
lun 22/1211:20SYD - MIA
1 stop21h 35mAmerican Airlines
mar 6/107:30MIA - SYD
1 stop30h 40mAmerican Airlines
Deal found 15/12$3,500
lun 22/1210:40SYD - MIA
1 stop21h 10mDelta
mar 6/107:15MIA - SYD
2 stops33h 15mDelta
Deal found 15/12$3,502
ven 19/1210:40SYD - MIA
2 stops22h 45mDelta
mer 7/112:02MIA - SYD
2 stops28h 28mDelta
Deal found 17/12$3,567
Best flights from Sydney to Key Largo
Discover carefully curated flight deals from Sydney to Key Largo that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 dicembre 2025.
mar 3/211:45SYD - MIA
2 stops35h 58mAir New Zealand
lun 9/209:05MIA - SYD
2 stops31h 40mAir New Zealand
Deal found 17/12$1,602
mer 25/313:55SYD - MIA
3 stops30h 56mMultiple Airlines
ven 3/416:46MIA - SYD
2 stops25h 59mMultiple Airlines
Deal found 17/12$2,021
lun 23/208:30SYD - MIA
2 stops25h 09mAir Canada
ven 27/208:00MIA - SYD
3 stops33h 35mAir Canada
Deal found 14/12$2,048
mer 4/221:15SYD - MIA
2 stops49h 45mTurkish Airlines
sab 7/210:20MIA - SYD
2 stops41h 00mTurkish Airlines
Deal found 17/12$2,350
mer 25/309:55SYD - MIA
2 stops27h 20mAir New Zealand
ven 3/416:46MIA - SYD
2 stops25h 59mAir New Zealand
Deal found 15/12$2,048
mar 20/121:55SYD - MIA
2 stops35h 44mMultiple Airlines
mar 27/113:01MIA - SYD
2 stops26h 24mMultiple Airlines
Deal found 14/12$2,270
mer 4/221:15SYD - MIA
2 stops49h 45mTurkish Airlines
dom 8/222:30MIA - SYD
2 stops52h 50mTurkish Airlines
Deal found 17/12$2,350
mer 21/114:05SYD - MIA
1 stop36h 26mMultiple Airlines
mer 4/213:01MIA - SYD
2 stops26h 24mMultiple Airlines
Deal found 17/12$2,341
lun 2/221:15SYD - MIA
2 stops49h 45mTurkish Airlines
sab 7/210:20MIA - SYD
2 stops41h 00mTurkish Airlines
Deal found 17/12$2,350
dom 1/221:15SYD - MIA
2 stops39h 20mTurkish Airlines
lun 9/210:20MIA - SYD
2 stops41h 00mTurkish Airlines
Deal found 17/12$2,350
Last-minute flights from Sydney to Key Largo
Discover last-minute flight deals from Sydney to Key Largo. Data last updated 18 dicembre 2025 and is based on user searches.
mar 20/121:55SYD - MIA
2 stops35h 44mMultiple Airlines
mar 27/113:01MIA - SYD
2 stops26h 24mMultiple Airlines
Deal found 14/12$2,270
mer 21/109:55SYD - MIA
2 stops27h 59mAir New Zealand
mer 4/211:10MIA - SYD
2 stops31h 20mAir New Zealand
Deal found 17/12$1,557
mer 21/114:05SYD - MIA
1 stop36h 26mMultiple Airlines
mer 4/213:01MIA - SYD
2 stops26h 24mMultiple Airlines
Deal found 17/12$2,341
ven 23/109:55SYD - MIA
2 stops41h 01mAir New Zealand
lun 26/109:05MIA - SYD
2 stops31h 40mAir New Zealand
Deal found 16/12$1,827
ven 30/109:55SYD - MIA
2 stops27h 59mAir New Zealand
ven 6/211:05MIA - SYD
2 stops29h 40mAir New Zealand
Deal found 16/12$1,862
ven 30/106:20SYD - MIA
3 stops32h 09mMultiple Airlines
ven 6/220:51MIA - SYD
3 stops42h 34mMultiple Airlines
Deal found 16/12$2,137
ven 30/111:20SYD - MIA
2 stops28h 56mAir Canada
ven 6/218:40MIA - SYD
2 stops35h 05mAir Canada
Deal found 16/12$2,311
One-way flights from Sydney to Key Largo
Search for one-way flight options from Sydney to Key Largo. Find affordable one-way fares based on user searches. Data last updated 18 dicembre 2025.
lun 19/112:35SYD - MIA
3 stops40h 34mMultiple Airlines
Deal found 14/12$972
lun 26/106:20SYD - MIA
3 stops50h 52mMultiple Airlines
Deal found 14/12$1,008
dom 25/109:55SYD - MIA
2 stops37h 56mAir New Zealand
Deal found 15/12$1,032
gio 29/111:45SYD - MIA
2 stops26h 09mAir New Zealand
Deal found 15/12$1,034
sab 31/121:20SYD - MIA
3 stops53h 11mMultiple Airlines
Deal found 17/12$1,052
dom 25/106:00SYD - MIA
3 stops50h 37mMultiple Airlines
Deal found 14/12$1,059
sab 31/119:15SYD - MIA
2 stops42h 39mAir New Zealand
Deal found 17/12$1,075
ven 13/214:00SYD - MIA
3 stops55h 14mMultiple Airlines
Deal found 15/12$1,076
gio 12/214:00SYD - MIA
2 stops40h 18mMultiple Airlines
Deal found 15/12$1,202
Find flight deals from Sydney to Key Largo
Keep the following information in mind while searching for Sydney to Key Largo flight deals. Data was last updated 18 dicembre 2025.
Customise your flight search to find flights from Sydney 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 18 dicembre 2025.
Use the filters below to find and compare flights from Sydney to Key Largo that are best for you.
Fly from
Sydney
Fly to
Key Largo
Route
Depart
Return
Price
SydneyMiami
SYD - MIA
SYDMIA
Sydney Kingsford Smith
mar 3/2
11:45-07:43
2 stops35h 58m
Miami
lun 9/2
09:05-08:45
2 stops31h 40m
$1,602
SydneyMiami
SYD - MIA
SYDMIA
Sydney Kingsford Smith
mer 25/3
13:55-05:51
3 stops30h 56m
Miami
ven 3/4
16:46-09:45
2 stops25h 59m
$2,021
SydneyMiami
SYD - MIA
SYDMIA
Sydney Kingsford Smith
lun 23/2
08:30-17:39
2 stops25h 09m
Miami
ven 27/2
08:00-09:35
3 stops33h 35m
$2,048
SydneyMiami
SYD - MIA
SYDMIA
Sydney Kingsford Smith
mer 25/3
09:55-22:15
2 stops27h 20m
Miami
ven 3/4
16:46-09:45
2 stops25h 59m
$2,048
SydneyMiami
SYD - MIA
SYDMIA
Sydney Kingsford Smith
mar 20/1
21:55-17:39
2 stops35h 44m
Miami
mar 27/1
13:01-07:25
2 stops26h 24m
$2,270
SydneyMiami
SYD - MIA
SYDMIA
Sydney Kingsford Smith
mer 21/1
14:05-10:31
1 stop36h 26m
Miami
mer 4/2
13:01-07:25
2 stops26h 24m
$2,341
SydneyMiami
SYD - MIA
SYDMIA
Sydney Kingsford Smith
mer 4/2
21:15-07:00
2 stops49h 45m
Miami
sab 7/2
10:20-19:20
2 stops41h 00m
$2,350
SydneyMiami
SYD - MIA
SYDMIA
Sydney Kingsford Smith
mer 4/2
21:15-07:00
2 stops49h 45m
Miami
dom 8/2
22:30-19:20
2 stops52h 50m
$2,350
SydneyMiami
SYD - MIA
SYDMIA
Sydney Kingsford Smith
lun 2/2
21:15-07:00
2 stops49h 45m
Miami
sab 7/2
10:20-19:20
2 stops41h 00m
$2,350
SydneyMiami
SYD - MIA
SYDMIA
Sydney Kingsford Smith
dom 1/2
21:15-20:35
2 stops39h 20m
Miami
lun 9/2
10:20-19:20
2 stops41h 00m
$2,350
Flights are sorted by cheapest return flights first.
Deals found on 14/12
Showing 1-10 of 18 results
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Best time to book a flight from Sydney to Key Largo
Have a flexible travel schedule? Discover the best time to fly to Key Largo from Sydney 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 Sydney to Key Largo
How far ahead should I book a flight from Sydney to Key Largo?
Use this chart to determine the optimal time to book a return flight from Sydney to Key Largo. Price data was last updated on 12 December 2025.
The price you pay for your flight from Sydney to Key Largo may vary depending on when you book. For the best chance of a lower fare, look to book 16 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Sydney to Key Largo?
Currently, October is the cheapest month in which you can book a flight from Sydney to Key Largo (average of $1,078). Flying from Sydney to Key Largo in July is currently the most expensive (average of $1,605). 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 SYD to KE9?
Find hourly flight availability from Sydney to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 dicembre 2025.
When flying from Sydney to Key Largo, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 34% versus a flight in the morning.
What is the cheapest day to fly from Sydney to Key Largo?
Use this chart to determine the cheapest time to fly return from Sydney to Key Largo. Price data was last updated on 16 December 2024.
Travellers seeking maximum savings on their Sydney to Key Largo flight should consider departing on Sunday at midday when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 18 dicembre 2025.
Read reviews from past customers who have flown with Air New Zealand, Delta, andQantas Airways
from Sydney 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.
Overall good experience with united . I fly united most part so nothing out of obvious i guess
Related info for your journey
Find useful and relevant information for your journey from Sydney 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 Sydney to Key Largo?
Sydney Kingsford Smith (SYD) is the airport you will fly out of if you book a flight from Sydney to Key Largo. You should not have trouble finding flights to Key Largo from Kingsford Smith; the airport handles an average of 0 outbound flights to Key Largo per day. You should also have plenty of airline options to choose from since 7 airlines have flights from the Sydney airport to Key Largo. It is only a 7.5 km journey to Kingsford Smith (SYD) from Sydney’s city centre.
How long is the flight from Sydney to Key Largo?
Air New Zealand can get you from Sydney to Key Largo in just under 35h 58m. Your travel time can differ by up to . There are 15012 km between Sydney and Key Largo.
What are the cheapest airlines to fly from Sydney to Key Largo one-way?
The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $475. However, be on the lookout for offers from Air New Zealand and Air Canada, as they are both options that can get you from Sydney to Key Largo for a low price.
Can I find deals for flights from Sydney to Key Largo that include hotel bookings?
Yes. In addition to deals on Sydney to Key Largo flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Sydney to Key Largo?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Key Largo.
Can I find deals for business class flights from Sydney to Key Largo?
Yes. Cheapflights offers flight deals from Sydney 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 Sydney to Key Largo?
Currently, October is the cheapest month in which you can book a flight from Sydney to Key Largo (average of $1,078). Flying from Sydney to Key Largo in July is currently the most expensive (average of $1,605). 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.
Discover the top 7 airlines that operate flights from Sydney 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 18 dicembre 2025.
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 Sydney to Key Largo?
Cheapflights helps you search for flights from Sydney 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 Sydney to Key Largo?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Sydney to Key Largo.
Can Cheapflights find flights from Sydney to Key Largo with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to Key Largo flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Sydney 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 Sydney today and book when prices fit your budget.
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