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 16/2. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — MIA
21 Dec — 28 Dec1
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 March or August, booked 72 days in advance, depart on a Wednesday or Thursday and return on a Saturday
Cheap 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 21 November 2025.
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 21 November 2025.
Sun 23/1121:15SYD - MIA
2 stops39h 20mTurkish Airlines
Tue 25/1122:30MIA - SYD
2 stops52h 50mTurkish Airlines
Deal found 19/11$2,186
Mon 15/1206:30SYD - MIA
3 stops30h 24mMultiple Airlines
Tue 20/113:01MIA - SYD
3 stops31h 34mMultiple Airlines
Deal found 20/11$2,350
Mon 1/1216:00SYD - MIA
2 stops46h 29mAir Canada
Sat 6/1211:35MIA - SYD
2 stops27h 20mAir Canada
Deal found 19/11$2,505
Sat 22/1121:40SYD - MIA
2 stops34h 17mAlaska Airlines
Sun 23/1118:30MIA - SYD
2 stops33h 15mAlaska Airlines
Deal found 20/11$2,523
Mon 24/1109:15SYD - MIA
2 stops44h 49mMultiple Airlines
Wed 26/1107:45MIA - SYD
2 stops31h 05mMultiple Airlines
Deal found 20/11$2,550
Thu 20/1111:20SYD - MIA
1 stop33h 53mAmerican Airlines
Tue 2/1215:32MIA - SYD
1 stop23h 23mAmerican Airlines
Deal found 19/11$2,567
Thu 20/1115:15SYD - MIA
2 stops35h 32mMultiple Airlines
Tue 2/1216:47MIA - SYD
2 stops46h 28mMultiple Airlines
Deal found 19/11$2,730
Mon 1/1209:15SYD - MIA
2 stops44h 49mMultiple Airlines
Sat 6/1213:45MIA - SYD
1 stop27h 15mMultiple Airlines
Deal found 19/11$2,780
Mon 24/1115:50SYD - MIA
1 stop34h 00mQatar Airways
Wed 26/1119:15MIA - SYD
1 stop43h 35mQatar Airways
Deal found 20/11$2,840
Sun 23/1115:50SYD - MIA
1 stop40h 35mQatar Airways
Tue 25/1123:30MIA - SYD
1 stop39h 20mQatar Airways
Deal found 19/11$2,843
Mon 24/1111:20SYD - MIA
1 stop22h 19mAir Canada
Wed 26/1121:05MIA - SYD
2 stops44h 30mAir Canada
Deal found 20/11$2,859
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 21 November 2025.
Tue 27/111:20SYD - MIA
3 stops40h 19mAir Canada
Mon 2/218:40MIA - SYD
2 stops30h 00mAir Canada
Deal found 18/11$2,114
Fri 30/111:20SYD - MIA
1 stop48h 20mAmerican Airlines
Sun 8/215:55MIA - SYD
1 stop25h 05mAmerican Airlines
Deal found 19/11$2,455
Wed 24/1212:10SYD - MIA
1 stop20h 56mUnited Airlines
Mon 5/118:15MIA - SYD
1 stop23h 00mUnited Airlines
Deal found 20/11$3,061
Mon 15/1206:00SYD - MIA
3 stops30h 54mMultiple Airlines
Fri 2/110:13MIA - SYD
3 stops34h 17mMultiple Airlines
Deal found 20/11$3,131
Thu 11/1210:40SYD - MIA
2 stops27h 34mDelta
Thu 18/1214:11MIA - SYD
2 stops26h 19mDelta
Deal found 19/11$3,390
Thu 4/1207:05SYD - MIA
3 stops39h 47mAir Tahiti Nui
Thu 8/119:55MIA - SYD
3 stops68h 20mAir Tahiti Nui
Deal found 18/11$3,440
Fri 12/1221:40SYD - MIA
2 stops34h 20mAlaska Airlines
Fri 19/1207:25MIA - SYD
2 stops44h 20mAlaska Airlines
Deal found 19/11$3,625
Mon 15/1211:20SYD - MIA
1 stop26h 40mAmerican Airlines
Fri 2/107:50MIA - SYD
1 stop30h 20mAmerican Airlines
Deal found 20/11$3,640
Last-minute flights from Sydney to Key Largo
Discover last-minute flight deals from Sydney to Key Largo. Data last updated 21 November 2025 and is based on user searches.
Thu 20/1111:20SYD - MIA
1 stop33h 53mAmerican Airlines
Tue 2/1215:32MIA - SYD
1 stop23h 23mAmerican Airlines
Deal found 19/11$2,567
Thu 20/1115:15SYD - MIA
2 stops35h 32mMultiple Airlines
Tue 2/1216:47MIA - SYD
2 stops46h 28mMultiple Airlines
Deal found 19/11$2,730
Sat 22/1121:40SYD - MIA
2 stops34h 17mAlaska Airlines
Sun 23/1118:30MIA - SYD
2 stops33h 15mAlaska Airlines
Deal found 20/11$2,523
Sun 23/1121:15SYD - MIA
2 stops39h 20mTurkish Airlines
Tue 25/1122:30MIA - SYD
2 stops52h 50mTurkish Airlines
Deal found 19/11$2,186
Sun 23/1115:50SYD - MIA
1 stop40h 35mQatar Airways
Tue 25/1123:30MIA - SYD
1 stop39h 20mQatar Airways
Deal found 19/11$2,843
Mon 24/1109:15SYD - MIA
2 stops44h 49mMultiple Airlines
Wed 26/1107:45MIA - SYD
2 stops31h 05mMultiple Airlines
Deal found 20/11$2,550
Mon 24/1115:50SYD - MIA
1 stop34h 00mQatar Airways
Wed 26/1119:15MIA - SYD
1 stop43h 35mQatar Airways
Deal found 20/11$2,840
Mon 24/1111:20SYD - MIA
1 stop22h 19mAir Canada
Wed 26/1121:05MIA - SYD
2 stops44h 30mAir Canada
Deal found 20/11$2,859
Mon 1/1216:00SYD - MIA
2 stops46h 29mAir Canada
Sat 6/1211:35MIA - SYD
2 stops27h 20mAir Canada
Deal found 19/11$2,505
Mon 1/1209:15SYD - MIA
2 stops44h 49mMultiple Airlines
Sat 6/1213:45MIA - SYD
1 stop27h 15mMultiple Airlines
Deal found 19/11$2,780
Mon 15/1206:30SYD - MIA
3 stops30h 24mMultiple Airlines
Tue 20/113:01MIA - SYD
3 stops31h 34mMultiple Airlines
Deal found 20/11$2,350
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 21 November 2025.
Mon 16/214:00SYD - MIA
3 stops55h 19mMultiple Airlines
Deal found 19/11$777
Fri 6/314:00SYD - MIA
3 stops55h 19mMultiple Airlines
Deal found 19/11$791
Sat 17/116:55SYD - MIA
3 stops48h 23mMultiple Airlines
Deal found 19/11$1,032
Mon 16/211:20SYD - MIA
1 stop22h 19mAir Canada
Deal found 19/11$1,130
Mon 22/1208:45SYD - MIA
3 stops36h 50mMultiple Airlines
Deal found 18/11$1,188
Mon 1/1206:00SYD - MIA
3 stops43h 22mMultiple Airlines
Deal found 19/11$1,222
Sat 17/120:15SYD - MIA
2 stops57h 15mAir New Zealand
Deal found 19/11$1,306
Sun 21/1207:25SYD - MIA
3 stops53h 39mMultiple Airlines
Deal found 18/11$1,323
Fri 6/308:30SYD - MIA
2 stops25h 09mAir Canada
Deal found 19/11$1,340
Fri 19/1222:00SYD - MIA
3 stops52h 58mMultiple Airlines
Deal found 20/11$1,360
Wed 15/409:55SYD - MIA
2 stops26h 21mAir New Zealand
Deal found 18/11$1,380
Cheapflights Fare Finder
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 21 November 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
Tue 27/1
11:20-11:39
3 stops40h 19m
Miami
Mon 2/2
18:40-16:40
2 stops30h 00m
$2,114
SydneyMiami
SYD - MIA
SYDMIA
Sydney Kingsford Smith
Fri 30/1
11:20-19:40
1 stop48h 20m
Miami
Sun 8/2
15:55-09:00
1 stop25h 05m
$2,455
SydneyMiami
SYD - MIA
SYDMIA
Sydney Kingsford Smith
Wed 24/12
12:10-17:06
1 stop20h 56m
Miami
Mon 5/1
18:15-09:15
1 stop23h 00m
$3,061
SydneyMiami
SYD - MIA
SYDMIA
Sydney Kingsford Smith
Mon 15/12
06:00-20:54
3 stops30h 54m
Miami
Fri 2/1
10:13-12:30
3 stops34h 17m
$3,131
SydneyMiami
SYD - MIA
SYDMIA
Sydney Kingsford Smith
Thu 11/12
10:40-22:14
2 stops27h 34m
Miami
Thu 18/12
14:11-08:30
2 stops26h 19m
$3,390
SydneyMiami
SYD - MIA
SYDMIA
Sydney Kingsford Smith
Thu 4/12
07:05-06:52
3 stops39h 47m
Miami
Thu 8/1
19:55-08:15
3 stops68h 20m
$3,440
SydneyMiami
SYD - MIA
SYDMIA
Sydney Kingsford Smith
Fri 12/12
21:40-16:00
2 stops34h 20m
Miami
Fri 19/12
07:25-19:45
2 stops44h 20m
$3,625
SydneyMiami
SYD - MIA
SYDMIA
Sydney Kingsford Smith
Mon 15/12
11:20-22:00
1 stop26h 40m
Miami
Fri 2/1
07:50-06:10
1 stop30h 20m
$3,640
SydneyMiami
SYD - MIA
SYDMIA
Sydney Kingsford Smith
Fri 6/3
14:00-05:19
3 stops55h 19m
$791
SydneyMiami
SYD - MIA
SYDMIA
Sydney Kingsford Smith
Sat 17/1
16:55-01:18
3 stops48h 23m
$1,032
Flights are sorted by cheapest return flights first.
Deals found on 19/11
Showing 1-10 of 20 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 14 November 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 72 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 $1,102). Flying from Sydney to Key Largo in July is currently the most expensive (average of $1,638). 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 21 November 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 21 November 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.
The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
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 Canada, American Airlines, and United Airlines can get you from Sydney to Key Largo in just under 20h 56m. Your travel time can differ by up to 27h 24m. There are 15012 km between Sydney and Key Largo. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
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 $1,102). Flying from Sydney to Key Largo in July is currently the most expensive (average of $1,638). 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 21 November 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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