$1,275+ Cheap flights to Key West
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/2. Fares are subject to change and may not be available on all flights or dates of travel.
Find flight deals to Key West
Best flights to Key WestDiscover carefully curated flight deals to Key West that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 September 2025.
Discover carefully curated flight deals to Key West that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 September 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights to Key West that are best for you.
Fly from
Route
Depart
Return
Price
SydneyKey West
SYD - EYW
SYDEYW
Sydney Kingsford Smith
Fri 13/2
14:00-11:21
2 stops37h 21m
Key West
Fri 20/2
16:05-07:00
2 stops46h 55m
SydneyKey West
SYD - EYW
SYDEYW
Sydney Kingsford Smith
Thu 12/2
14:15-11:03
2 stops36h 48m
Key West
Fri 20/2
11:45-08:30
2 stops28h 45m
SydneyKey West
SYD - EYW
SYDEYW
Sydney Kingsford Smith
Thu 12/2
11:50-16:08
1 stop20h 18m
Key West
Fri 20/2
16:53-07:00
1 stop22h 07m
SydneyKey West
SYD - EYW
SYDEYW
Sydney Kingsford Smith
Fri 13/2
10:40-11:03
2 stops40h 23m
Key West
Tue 17/2
07:00-06:50
2 stops31h 50m
SydneyKey West
SYD - EYW
SYDEYW
Sydney Kingsford Smith
Fri 13/2
11:50-16:08
1 stop20h 18m
Key West
Tue 17/2
12:15-09:05
2 stops28h 50m
Best time to book a flight to Key West
Have a flexible travel schedule? Discover the best time to fly to Key West with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight to Key West
Rainfall in Key West by month
In terms of precipitation, rainfall in Key West ranges from 38.0 - 170.0 mm per month. September is typically the wettest month, when rainfall can reach 170.0 mm. February is typically the driest time to visit Key West when rainfall is around 38.0 mm.
Temperature in Key West by month
If weather is an important factor for your trip to Key West, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.0 C).
FAQs about flying to Key West
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Cheapflights makes it easy to find Key West flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
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Can Cheapflights find flights to Key West with no change fees?
Yes! Cheapflights helps users easily find flights to Key West with no change fees.
Can Cheapflights notify me if prices for flights to Key West become cheaper?
Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Key West today and book when you’re ready!